Mon May 14 04:50:12 2007

Asterisk developer's documentation


isdn_lib.c File Reference

#include <syslog.h>
#include <mISDNuser/isdn_debug.h>
#include "isdn_lib_intern.h"
#include "isdn_lib.h"
#include <mISDNuser/net_l2.h>
#include <mISDNuser/tone.h>
#include <unistd.h>
#include <semaphore.h>
#include <pthread.h>
#include <signal.h>

Include dependency graph for isdn_lib.c:

Go to the source code of this file.

Data Structures

struct  misdn_lib

Defines

#define ECHOCAN_OFF   124
#define ECHOCAN_ON   123
#define ISDN_PID_L3_B_USER   0x430000ff
#define ISDN_PID_L4_B_USER   0x440000ff
#define MAXPROCS   0x100
#define MISDN_DEBUG   0
#define MISDN_DSP
#define MISDN_GEN_SILENCE
#define MISDN_IBUF_SIZE   512
#define RETURN(a, b)   {retval=a; goto b;}
#define TONE_ALERT_CNT   41
#define TONE_ALERT_SILENCE_CNT   200
#define TONE_BUSY_CNT   20
#define TONE_BUSY_SILENCE_CNT   48

Enumerations

enum  global_states { MISDN_INITIALIZING, MISDN_INITIALIZED }

Functions

static void bc_next_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
char * bc_state2str (enum bchannel_state state)
void bc_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
int bchdev_echocancel_activate (struct misdn_bchannel *dev)
void bchdev_echocancel_deactivate (struct misdn_bchannel *dev)
static char * bearer2str (int cap)
static int clean_up_bc (struct misdn_bchannel *bc)
static void clear_l3 (struct misdn_stack *stack)
static msg_t * create_l2msg (int prim, int dinfo, int size)
msg_t * create_l3msg (int prim, int mt, int dinfo, int size, int ntmode)
static int create_process (int midev, struct misdn_bchannel *bc)
static int do_tone (struct misdn_bchannel *bc, int len)
static void dump_chan_list (struct misdn_stack *stack)
void ec_chunk (struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size)
static void empty_bc (struct misdn_bchannel *bc)
static int empty_chan_in_stack (struct misdn_stack *stack, int channel)
static char * fac2str (enum FacFunction func)
static msg_t * fetch_msg (int midev)
static struct misdn_bchannelfind_bc_by_addr (unsigned long addr)
static struct misdn_bchannelfind_bc_by_channel (int port, int channel)
misdn_bchannelfind_bc_by_confid (unsigned long confid)
misdn_bchannelfind_bc_by_l3id (struct misdn_stack *stack, unsigned long l3id)
static struct misdn_bchannelfind_bc_by_masked_l3id (struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
static struct misdn_bchannelfind_bc_holded (struct misdn_stack *stack)
static int find_free_chan_in_stack (struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
static struct misdn_stackfind_stack_by_addr (int addr)
static struct misdn_stackfind_stack_by_mgr (manager_t *mgr_nt)
static struct misdn_stackfind_stack_by_port (int port)
static char * flip_buf_bits (char *buf, int len)
misdn_stackget_misdn_stack (void)
void get_show_stack_details (int port, char *buf)
misdn_stackget_stack_by_bc (struct misdn_bchannel *bc)
static int handle_bchan (msg_t *msg)
static int handle_cr (struct misdn_stack *stack, iframe_t *frm)
static int handle_err (msg_t *msg)
static int handle_event (struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
static int handle_event_nt (void *dat, void *arg)
static int handle_frm (msg_t *msg)
static int handle_frm_nt (msg_t *msg)
static int handle_l1 (msg_t *msg)
static int handle_l2 (msg_t *msg)
static int handle_mgmt (msg_t *msg)
static int handle_timers (msg_t *msg)
int init_bc (struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime)
static void init_flip_bits (void)
void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
void isdn_lib_update_ec (struct misdn_bchannel *bc)
void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
void isdn_lib_update_txgain (struct misdn_bchannel *bc)
void manager_bchannel_activate (struct misdn_bchannel *bc)
void manager_bchannel_cleanup (struct misdn_bchannel *bc)
void manager_bchannel_deactivate (struct misdn_bchannel *bc)
void manager_bchannel_setup (struct misdn_bchannel *bc)
void manager_clean_bc (struct misdn_bchannel *bc)
void manager_ec_disable (struct misdn_bchannel *bc)
void manager_ec_enable (struct misdn_bchannel *bc)
static void manager_event_handler (void *arg)
misdn_bchannelmanager_find_bc_by_pid (int pid)
misdn_bchannelmanager_find_bc_holded (struct misdn_bchannel *bc)
char * manager_isdn_get_info (enum event_e event)
int manager_isdn_handler (iframe_t *frm, msg_t *msg)
void manager_ph_control (struct misdn_bchannel *bc, int c1, int c2)
void manager_ph_control_block (struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
int misdn_cap_is_speech (int cap)
int misdn_inband_avail (struct misdn_bchannel *bc)
void misdn_join_conf (struct misdn_bchannel *bc, int conf_id)
void misdn_lib_bridge (struct misdn_bchannel *bc1, struct misdn_bchannel *bc2)
void misdn_lib_destroy ()
void misdn_lib_echo (struct misdn_bchannel *bc, int onoff)
misdn_bchannelmisdn_lib_get_free_bc (int port, int channel, int inout, int dec)
static int misdn_lib_get_l1_down (struct misdn_stack *stack)
static int misdn_lib_get_l1_up (struct misdn_stack *stack)
static int misdn_lib_get_l2_down (struct misdn_stack *stack)
int misdn_lib_get_l2_up (struct misdn_stack *stack)
int misdn_lib_get_maxchans (int port)
int misdn_lib_get_port_down (int port)
int misdn_lib_get_port_info (int port)
int misdn_lib_get_port_up (int port)
static int misdn_lib_get_short_status (struct misdn_stack *stack)
int misdn_lib_init (char *portlist, struct misdn_lib_iface *iface, void *user_data)
int misdn_lib_is_port_blocked (int port)
int misdn_lib_is_ptp (int port)
static void misdn_lib_isdn_event_catcher (void *arg)
void misdn_lib_isdn_l1watcher (int port)
void misdn_lib_log_ies (struct misdn_bchannel *bc)
int misdn_lib_maxports_get ()
void misdn_lib_nt_debug_init (int flags, char *file)
int misdn_lib_pid_restart (int pid)
int misdn_lib_port_block (int port)
int misdn_lib_port_is_pri (int port)
int misdn_lib_port_restart (int port)
int misdn_lib_port_unblock (int port)
int misdn_lib_port_up (int port, int check)
void misdn_lib_reinit_nt_stack (int port)
void misdn_lib_release (struct misdn_bchannel *bc)
int misdn_lib_send_event (struct misdn_bchannel *bc, enum event_e event)
int misdn_lib_send_restart (int port)
void misdn_lib_send_tone (struct misdn_bchannel *bc, enum tone_e tone)
void misdn_lib_setup_bc (struct misdn_bchannel *bc)
void misdn_lib_split_bridge (struct misdn_bchannel *bc1, struct misdn_bchannel *bc2)
void misdn_lib_tone_generator_start (struct misdn_bchannel *bc)
void misdn_lib_tone_generator_stop (struct misdn_bchannel *bc)
void misdn_lib_transfer (struct misdn_bchannel *holded_bc)
int misdn_lib_tx2misdn_frm (struct misdn_bchannel *bc, void *data, int len)
void misdn_send_lock (struct misdn_bchannel *bc)
void misdn_send_unlock (struct misdn_bchannel *bc)
void misdn_split_conf (struct misdn_bchannel *bc, int conf_id)
void misdn_tx_jitter (struct misdn_bchannel *bc, int len)
static void prepare_bc (struct misdn_bchannel *bc, int channel)
int queue_cleanup_bc (struct misdn_bchannel *bc)
static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
static int set_chan_in_stack (struct misdn_stack *stack, int channel)
int setup_bc (struct misdn_bchannel *bc)
void stack_destroy (struct misdn_stack *stack)
void stack_holder_add (struct misdn_stack *stack, struct misdn_bchannel *holder)
misdn_bchannelstack_holder_find (struct misdn_stack *stack, unsigned long l3id)
misdn_bchannelstack_holder_find_bychan (struct misdn_stack *stack, int chan)
void stack_holder_remove (struct misdn_stack *stack, struct misdn_bchannel *holder)
misdn_stackstack_init (int midev, int port, int ptp)
void te_lib_destroy (int midev)
int te_lib_init (void)

Variables

static int entity
static char flip_table [256]
static struct misdn_libglob_mgr
static enum global_states global_state = MISDN_INITIALIZING
sem_t handler_started
isdn_msg msgs_g []
static int mypid = 1
static int newteid = 0
static int nt_err_cnt = 0
char tone_425_flip [TONE_425_SIZE]
char tone_silence_flip [TONE_SILENCE_SIZE]


Define Documentation

#define ECHOCAN_OFF   124

Definition at line 178 of file isdn_lib.c.

Referenced by manager_ec_disable().

#define ECHOCAN_ON   123

Definition at line 177 of file isdn_lib.c.

Referenced by manager_ec_enable().

#define ISDN_PID_L3_B_USER   0x430000ff

Definition at line 200 of file isdn_lib.c.

Referenced by setup_bc().

#define ISDN_PID_L4_B_USER   0x440000ff

Definition at line 201 of file isdn_lib.c.

Referenced by setup_bc().

#define MAXPROCS   0x100

Definition at line 729 of file isdn_lib.c.

Referenced by create_process().

#define MISDN_DEBUG   0

Definition at line 181 of file isdn_lib.c.

#define MISDN_DSP

#define MISDN_GEN_SILENCE

#define MISDN_IBUF_SIZE   512

Definition at line 204 of file isdn_lib.c.

Referenced by init_bc().

#define RETURN ( a,
 )     {retval=a; goto b;}

Definition at line 3206 of file isdn_lib.c.

Referenced by misdn_lib_send_event().

#define TONE_ALERT_CNT   41

Definition at line 207 of file isdn_lib.c.

#define TONE_ALERT_SILENCE_CNT   200

Definition at line 208 of file isdn_lib.c.

#define TONE_BUSY_CNT   20

Definition at line 210 of file isdn_lib.c.

#define TONE_BUSY_SILENCE_CNT   48

Definition at line 211 of file isdn_lib.c.


Enumeration Type Documentation

enum global_states

Enumerator:
MISDN_INITIALIZING 
MISDN_INITIALIZED 

Definition at line 141 of file isdn_lib.c.

00141                    {
00142    MISDN_INITIALIZING,
00143    MISDN_INITIALIZED
00144 } ;


Function Documentation

static void bc_next_state_change ( struct misdn_bchannel bc,
enum bchannel_state  state 
) [static]

Definition at line 539 of file isdn_lib.c.

References bc_state2str(), cb_log, misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by misdn_lib_bridge().

00540 {
00541    cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00542           bc_state2str(bc->next_bc_state),
00543           bc_state2str(state) );
00544 
00545    bc->next_bc_state=state;
00546 }

char* bc_state2str ( enum bchannel_state  state  ) 

Definition at line 490 of file isdn_lib.c.

References BCHAN_ACTIVATED, BCHAN_ACTIVE, BCHAN_BRIDGE, BCHAN_BRIDGED, BCHAN_CLEAN, BCHAN_CLEAN_REQUEST, BCHAN_CLEANED, BCHAN_EMPTY, BCHAN_ERROR, BCHAN_RELEASE, BCHAN_RELEASED, BCHAN_SETUP, BCHAN_SETUPED, and s.

Referenced by bc_next_state_change(), bc_state_change(), cb_events(), handle_bchan(), handle_err(), misdn_lib_send_event(), misdn_lib_split_bridge(), misdn_lib_tx2misdn_frm(), print_bc_info(), and setup_bc().

00490                                               {
00491    int i;
00492    
00493    struct bchan_state_s {
00494       char *n;
00495       enum bchannel_state s;
00496    } states[] = {
00497       {"BCHAN_CLEANED", BCHAN_CLEANED },
00498       {"BCHAN_EMPTY", BCHAN_EMPTY},
00499       {"BCHAN_SETUP", BCHAN_SETUP},
00500       {"BCHAN_SETUPED", BCHAN_SETUPED},
00501       {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00502       {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00503       {"BCHAN_BRIDGE",  BCHAN_BRIDGE},
00504       {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00505       {"BCHAN_RELEASE", BCHAN_RELEASE},
00506       {"BCHAN_RELEASED", BCHAN_RELEASED},
00507       {"BCHAN_CLEAN", BCHAN_CLEAN},
00508       {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00509       {"BCHAN_ERROR", BCHAN_ERROR}
00510    };
00511    
00512    for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00513       if ( states[i].s == state)
00514          return states[i].n;
00515 
00516    return "UNKNOWN";
00517 }

void bc_state_change ( struct misdn_bchannel bc,
enum bchannel_state  state 
)

Definition at line 519 of file isdn_lib.c.

References misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_EMPTY, cb_log, misdn_bchannel::conf_id, misdn_bchannel::l3_id, misdn_join_conf(), misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by clean_up_bc(), handle_bchan(), handle_frm(), init_bc(), manager_bchannel_deactivate(), misdn_join_conf(), misdn_lib_send_event(), misdn_split_conf(), and setup_bc().

00520 {
00521    cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00522       bc->l3_id,
00523           bc_state2str(bc->bc_state),
00524           bc_state2str(state) );
00525    
00526    switch (state) {
00527       case BCHAN_ACTIVATED:
00528          if (bc->next_bc_state ==  BCHAN_BRIDGED) {
00529             misdn_join_conf(bc, bc->conf_id);
00530             bc->next_bc_state = BCHAN_EMPTY;
00531             return;
00532          }
00533       default:
00534          bc->bc_state=state;
00535          break;
00536    }
00537 }

int bchdev_echocancel_activate ( struct misdn_bchannel dev  ) 

void bchdev_echocancel_deactivate ( struct misdn_bchannel dev  ) 

static char* bearer2str ( int  cap  )  [static]

Definition at line 249 of file isdn_lib.c.

References INFO_CAPABILITY_AUDIO_3_1K, INFO_CAPABILITY_DIGITAL_RESTRICTED, INFO_CAPABILITY_DIGITAL_UNRESTRICTED, and INFO_CAPABILITY_SPEECH.

00249                                  {
00250    static char *bearers[]={
00251       "Speech",
00252       "Audio 3.1k",
00253       "Unres Digital",
00254       "Res Digital",
00255       "Unknown Bearer"
00256    };
00257    
00258    switch (cap) {
00259    case INFO_CAPABILITY_SPEECH:
00260       return bearers[0];
00261       break;
00262    case INFO_CAPABILITY_AUDIO_3_1K:
00263       return bearers[1];
00264       break;
00265    case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00266       return bearers[2];
00267       break;
00268    case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00269       return bearers[3];
00270       break;
00271    default:
00272       return bearers[4];
00273       break;
00274    }
00275 }

static int clean_up_bc ( struct misdn_bchannel bc  )  [static]

Definition at line 643 of file isdn_lib.c.

References misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state_change(), BCHAN_CLEANED, cb_log, get_stack_by_bc(), misdn_bchannel::layer_id, manager_bchannel_deactivate(), manager_ec_disable(), misdn_stack::midev, misdn_bchannel::pid, misdn_stack::port, and misdn_bchannel::port.

Referenced by clear_l3(), handle_bchan(), handle_cr(), handle_event_nt(), handle_frm(), manager_event_handler(), misdn_lib_release(), misdn_lib_send_event(), and misdn_lib_setup_bc().

00644 {
00645    int ret=0;
00646    unsigned char buff[32];
00647    struct misdn_stack * stack;
00648 
00649    cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00650    
00651    if (!bc  ) return -1;
00652    stack=get_stack_by_bc(bc);
00653    
00654    if (!stack) return -1;
00655    
00656    switch (bc->bc_state ) {
00657    case BCHAN_CLEANED:
00658       cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00659       return -1;
00660       
00661    default:
00662       break;
00663    }
00664    
00665    cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00666    
00667    manager_ec_disable(bc);
00668 
00669    manager_bchannel_deactivate(bc);
00670 
00671    mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00672    
00673    bc->b_stid = 0;
00674    bc_state_change(bc, BCHAN_CLEANED);
00675    
00676    return ret;
00677 }

static void clear_l3 ( struct misdn_stack stack  )  [static]

Definition at line 681 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_event, clean_up_bc(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, global_state, and MISDN_INITIALIZED.

Referenced by handle_mgmt(), and misdn_lib_port_restart().

00682 {
00683    int i;
00684 
00685    for (i=0; i<=stack->b_num; i++) {
00686       if (global_state == MISDN_INITIALIZED)  {
00687          cb_event(EVENT_CLEANUP, &stack->bc[i], NULL); 
00688          empty_chan_in_stack(stack,i+1);
00689          empty_bc(&stack->bc[i]);
00690          clean_up_bc(&stack->bc[i]);
00691       }
00692       
00693    } 
00694 }

static msg_t* create_l2msg ( int  prim,
int  dinfo,
int  size 
) [static]

Definition at line 308 of file isdn_lib.c.

Referenced by misdn_lib_get_l2_down(), and misdn_lib_get_l2_up().

00309 {
00310    int i = 0;
00311    msg_t *dmsg;
00312   
00313    while(i < 10)
00314    {
00315       dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00316       if (dmsg)
00317          return(dmsg);
00318       
00319       if (!i)
00320          printf("cannot allocate memory, trying again...\n");
00321       i++;
00322       usleep(300000);
00323    }
00324    printf("cannot allocate memory, system overloaded.\n");
00325    exit(-1);
00326 }

msg_t* create_l3msg ( int  prim,
int  mt,
int  dinfo,
int  size,
int  ntmode 
)

Definition at line 330 of file isdn_lib.c.

Referenced by build_alerting(), build_connect(), build_connect_acknowledge(), build_disconnect(), build_facility(), build_hold(), build_hold_acknowledge(), build_hold_reject(), build_information(), build_notify(), build_proceeding(), build_progress(), build_release(), build_release_complete(), build_restart(), build_resume(), build_resume_acknowledge(), build_resume_reject(), build_retrieve(), build_retrieve_acknowledge(), build_retrieve_reject(), build_setup(), build_setup_acknowledge(), build_status(), build_status_enquiry(), build_suspend(), build_suspend_acknowledge(), build_suspend_reject(), build_timeout(), build_user_information(), and handle_event_nt().

00331 {
00332    int i = 0;
00333    msg_t *dmsg;
00334    Q931_info_t *qi;
00335    iframe_t *frm;
00336   
00337    if (!ntmode)
00338       size = sizeof(Q931_info_t)+2;
00339   
00340    while(i < 10) {
00341       if (ntmode) {
00342          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00343          if (dmsg) {
00344             return(dmsg);
00345          }
00346       } else {
00347          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00348          if (dmsg)
00349          {
00350             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00351             frm = (iframe_t *)dmsg->data;
00352             frm->prim = prim;
00353             frm->dinfo = dinfo;
00354             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00355             qi->type = mt;
00356             return(dmsg);
00357          }
00358       }
00359     
00360       if (!i) printf("cannot allocate memory, trying again...\n");
00361       i++;
00362       usleep(300000);
00363    }
00364    printf("cannot allocate memory, system overloaded.\n");
00365    exit(-1);
00366 }

static int create_process ( int  midev,
struct misdn_bchannel bc 
) [static]

Definition at line 846 of file isdn_lib.c.

References misdn_stack::bc, cb_log, misdn_bchannel::channel, misdn_bchannel::channel_preselected, entity, find_free_chan_in_stack(), get_stack_by_bc(), misdn_bchannel::l3_id, MAXPROCS, misdn_stack::nt, misdn_stack::port, misdn_stack::procids, misdn_stack::ptp, set_chan_in_stack(), misdn_bchannel::te_choose_channel, and misdn_stack::upper_id.

Referenced by misdn_lib_send_event().

00846                                                                  {
00847    iframe_t ncr;
00848    int l3_id;
00849    int i;
00850    struct misdn_stack *stack=get_stack_by_bc(bc);
00851   
00852    if (stack->nt) {
00853       if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00854          return -1;
00855       /*bc->channel=free_chan;*/
00856 
00857       if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00858       
00859       cb_log(4,stack->port, " -->  found channel: %d\n", bc->channel);
00860     
00861       for (i=0; i <= MAXPROCS; i++)
00862          if (stack->procids[i]==0) break;
00863     
00864       if (i== MAXPROCS) {
00865          cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00866          return -1;
00867       }
00868       stack->procids[i]=1;
00869 
00870       l3_id = 0xff00 | i;
00871     
00872       ncr.prim = CC_NEW_CR | REQUEST; 
00873 
00874       ncr.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00875 
00876       ncr.dinfo = l3_id;
00877       ncr.len = 0;
00878 
00879       bc->l3_id = l3_id;
00880       cb_log(3, stack->port, " --> new_l3id %x\n",l3_id);
00881     
00882    } else { 
00883       if (stack->ptp || bc->te_choose_channel) {
00884          /* we know exactly which channels are in use */
00885          if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00886             return -1;
00887          /*bc->channel=free_chan;*/
00888          cb_log(2,stack->port, " -->  found channel: %d\n", bc->channel);
00889 
00890          if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00891       } else {
00892          /* other phones could have made a call also on this port (ptmp) */
00893          bc->channel=0xff;
00894       }
00895     
00896     
00897       /* if we are in te-mode, we need to create a process first */
00898       if (newteid++ > 0xffff)
00899          newteid = 0x0001;
00900     
00901       l3_id = (entity<<16) | newteid;
00902       /* preparing message */
00903       ncr.prim = CC_NEW_CR | REQUEST; 
00904 
00905       ncr.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00906 
00907       ncr.dinfo =l3_id;
00908       ncr.len = 0;
00909       /* send message */
00910 
00911       bc->l3_id = l3_id;
00912       cb_log(3, stack->port, "--> new_l3id %x\n",l3_id);
00913     
00914       mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC);
00915    }
00916   
00917    return l3_id;
00918 }

static int do_tone ( struct misdn_bchannel bc,
int  len 
) [static]

Definition at line 2177 of file isdn_lib.c.

References cb_event, EVENT_TONE_GENERATE, misdn_bchannel::generate_tone, glob_mgr, misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::tone_cnt, and misdn_lib::user_data.

Referenced by handle_bchan().

02178 {
02179    bc->tone_cnt=len;
02180    
02181    if (bc->generate_tone) {
02182       cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02183       
02184       if ( !bc->nojitter ) {
02185          misdn_tx_jitter(bc,len);
02186       }
02187       
02188       return 1;
02189    }
02190    
02191    return 0;
02192 }

static void dump_chan_list ( struct misdn_stack stack  )  [static]

Definition at line 422 of file isdn_lib.c.

References misdn_stack::b_num, cb_log, misdn_stack::channels, and misdn_stack::port.

Referenced by empty_chan_in_stack(), handle_cr(), and set_chan_in_stack().

00423 {
00424    int i;
00425 
00426    for (i=0; i <= stack->b_num; i++) {
00427       cb_log(6, stack->port, "Idx:%d stack->cchan:%d Chan:%d\n",i,stack->channels[i], i+1);
00428    }
00429 }

void ec_chunk ( struct misdn_bchannel bc,
unsigned char *  rxchunk,
unsigned char *  txchunk,
int  chunk_size 
)

static void empty_bc ( struct misdn_bchannel bc  )  [static]

Definition at line 549 of file isdn_lib.c.

References misdn_bchannel::active, misdn_bchannel::bframe_len, misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::conf_id, misdn_bchannel::cpnnumplan, misdn_bchannel::crypt, misdn_bchannel::crypt_key, misdn_bchannel::curprx, misdn_bchannel::curptx, misdn_bchannel::cw, misdn_bchannel::dad, misdn_bchannel::dec, misdn_bchannel::display, misdn_bchannel::dnumplan, misdn_bchannel::early_bconnect, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, EVENT_NOTHING, misdn_bchannel::evq, misdn_bchannel::fac_in, misdn_bchannel::fac_out, misdn_bchannel::generate_tone, misdn_bchannel::hdlc, misdn_bchannel::in_use, INFO_CAPABILITY_SPEECH, INFO_CODEC_ALAW, misdn_bchannel::info_dad, misdn_bchannel::infos_pending, misdn_bchannel::law, misdn_bchannel::mode, misdn_bchannel::need_more_infos, misdn_bchannel::nodsp, misdn_bchannel::nojitter, NUMPLAN_UNKNOWN, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::orig, misdn_bchannel::orig_dad, misdn_bchannel::out_cause, misdn_bchannel::pres, misdn_bchannel::progress_coding, misdn_bchannel::progress_indicator, misdn_bchannel::progress_location, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::restart_channel, misdn_bchannel::rnumplan, misdn_bchannel::rxgain, misdn_bchannel::send_dtmf, misdn_bchannel::sending_complete, misdn_bchannel::te_choose_channel, misdn_bchannel::time_usec, misdn_bchannel::tone_cnt, misdn_bchannel::txgain, misdn_bchannel::urate, misdn_bchannel::user1, misdn_bchannel::uu, and misdn_bchannel::uulen.

Referenced by clear_l3(), handle_cr(), handle_event_nt(), handle_frm(), init_bc(), manager_clean_bc(), misdn_lib_release(), and misdn_lib_send_event().

00550 {
00551    bc->bframe_len=0;
00552    
00553 
00554    bc->in_use= 0;
00555    bc->cw= 0;
00556 
00557    bc->dec=0;
00558    bc->channel = 0;
00559 
00560    bc->sending_complete = 0;
00561 
00562    bc->restart_channel=0;
00563    
00564    bc->conf_id = 0;
00565 
00566    bc->need_more_infos = 0;
00567    
00568    bc->send_dtmf=0;
00569    bc->nodsp=0;
00570    bc->nojitter=0;
00571 
00572    bc->time_usec=0;
00573    
00574    bc->rxgain=0;
00575    bc->txgain=0;
00576 
00577    bc->crypt=0;
00578    bc->curptx=0; bc->curprx=0;
00579    
00580    bc->crypt_key[0] = 0;
00581    
00582    bc->generate_tone=0;
00583    bc->tone_cnt=0;
00584   
00585    bc->dnumplan=NUMPLAN_UNKNOWN;
00586    bc->onumplan=NUMPLAN_UNKNOWN;
00587    bc->rnumplan=NUMPLAN_UNKNOWN;
00588    bc->cpnnumplan=NUMPLAN_UNKNOWN;
00589    
00590 
00591    bc->active = 0;
00592 
00593    bc->early_bconnect = 1;
00594    
00595 #ifdef MISDN_1_2
00596    *bc->pipeline = 0;
00597 #else
00598    bc->ec_enable = 0;
00599    bc->ec_deftaps = 128;
00600 #endif
00601 
00602    bc->orig=0;
00603   
00604    bc->cause=16;
00605    bc->out_cause=16;
00606    bc->pres=0 ; /* screened */
00607    
00608    bc->evq=EVENT_NOTHING;
00609 
00610    bc->progress_coding=0;
00611    bc->progress_location=0;
00612    bc->progress_indicator=0;
00613    
00614 /** Set Default Bearer Caps **/
00615    bc->capability=INFO_CAPABILITY_SPEECH;
00616    bc->law=INFO_CODEC_ALAW;
00617    bc->mode=0;
00618    bc->rate=0x10;
00619    bc->user1=0;
00620    bc->urate=0;
00621    
00622    bc->hdlc=0;
00623    
00624    
00625    bc->info_dad[0] = 0;
00626    bc->display[0] = 0;
00627    bc->infos_pending[0] = 0;
00628    bc->cad[0] = 0;
00629    bc->oad[0] = 0;
00630    bc->dad[0] = 0;
00631    bc->rad[0] = 0;
00632    bc->orig_dad[0] = 0;
00633    bc->uu[0]=0;
00634    bc->uulen=0;
00635    
00636    bc->fac_in.Function = Fac_None;
00637    bc->fac_out.Function = Fac_None;
00638    
00639    bc->te_choose_channel = 0;
00640 }

static int empty_chan_in_stack ( struct misdn_stack stack,
int  channel 
) [static]

Definition at line 477 of file isdn_lib.c.

References cb_log, misdn_stack::channels, dump_chan_list(), MAX_BCHANS, and misdn_stack::port.

Referenced by clear_l3(), handle_cr(), handle_event_nt(), handle_frm(), manager_clean_bc(), misdn_lib_release(), and misdn_lib_send_event().

00478 {
00479    if (channel<=0 || channel>MAX_BCHANS) {
00480       cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00481       return -1;
00482    }
00483    
00484    cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel); 
00485    stack->channels[channel-1] = 0;
00486    dump_chan_list(stack);
00487    return 0;
00488 }

static char* fac2str ( enum FacFunction  func  )  [static]

Definition at line 3153 of file isdn_lib.c.

References s.

Referenced by misdn_lib_log_ies().

03154 {
03155    struct arr_el { 
03156       enum FacFunction p; 
03157       char *s ; 
03158    } arr[] = {
03159       { Fac_None, "Fac_None" },
03160       { Fac_CD, "Fac_CD"},
03161    };
03162    
03163    int i;
03164    
03165    for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03166       if ( arr[i].p==func) return arr[i].s;
03167    
03168    return "unknown";
03169 }

static msg_t* fetch_msg ( int  midev  )  [static]

Definition at line 2891 of file isdn_lib.c.

References cb_log.

Referenced by misdn_lib_isdn_event_catcher().

02892 {
02893    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02894    int r;
02895 
02896    if (!msg) {
02897       cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02898       return NULL;
02899    }
02900 
02901    AGAIN:
02902       r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02903       msg->len=r;
02904     
02905       if (r==0) {
02906          free_msg(msg); /* danger, cauz usualy freeing in main_loop */
02907          cb_log(6,0,"Got empty Msg..\n");
02908          return NULL;
02909       }
02910 
02911       if (r<0) {
02912          if (errno == EAGAIN) {
02913             /*we wait for mISDN here*/
02914             cb_log(4,0,"mISDN_read wants us to wait\n");
02915             usleep(5000);
02916             goto AGAIN;
02917          }
02918          
02919          cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno); 
02920       }
02921 
02922 #if 0
02923                if  (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02924                        cb_log(0,0,"prim: %x dinfo:%x addr:%x msglen:%d frm->len:%d\n",frm->prim, frm->dinfo, frm->addr, msg->len,frm->len );
02925 #endif
02926       return msg;
02927 }

static struct misdn_bchannel* find_bc_by_addr ( unsigned long  addr  )  [static]

Definition at line 1441 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, glob_mgr, misdn_bchannel::layer_id, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_bchan().

01442 {
01443    struct misdn_stack* stack;
01444    int i;
01445 
01446    for (stack=glob_mgr->stack_list;
01447         stack;
01448         stack=stack->next) {
01449       for (i=0; i<=stack->b_num; i++) {
01450          if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) ||  stack->bc[i].layer_id== addr ) {
01451             return &stack->bc[i];
01452          }
01453       }
01454    }
01455    
01456    return NULL;
01457 }

static struct misdn_bchannel* find_bc_by_channel ( int  port,
int  channel 
) [static]

Definition at line 1477 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::channel, and find_stack_by_port().

Referenced by handle_err().

01478 {
01479    struct misdn_stack* stack=find_stack_by_port(port);
01480    int i;
01481 
01482    if (!stack) return NULL;   
01483    
01484    for (i=0; i<=stack->b_num; i++) {
01485       if ( stack->bc[i].channel== channel ) {
01486          return &stack->bc[i];
01487       }
01488    }
01489       
01490    return NULL;
01491 }

struct misdn_bchannel * find_bc_by_confid ( unsigned long  confid  ) 

Definition at line 1459 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::conf_id, glob_mgr, misdn_stack::next, and misdn_lib::stack_list.

Referenced by misdn_lib_send_event().

01460 {
01461    struct misdn_stack* stack;
01462    int i;
01463    
01464    for (stack=glob_mgr->stack_list;
01465         stack;
01466         stack=stack->next) {
01467       for (i=0; i<=stack->b_num; i++) {
01468          if ( stack->bc[i].conf_id==confid ) {
01469             return &stack->bc[i];
01470          }
01471       }
01472    }
01473    return NULL;
01474 }

struct misdn_bchannel * find_bc_by_l3id ( struct misdn_stack stack,
unsigned long  l3id 
)

Definition at line 1422 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::l3_id, and stack_holder_find().

Referenced by handle_cr(), handle_event_nt(), handle_frm(), and manager_event_handler().

01423 {
01424    int i;
01425    for (i=0; i<=stack->b_num; i++) {
01426       if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01427    }
01428    return stack_holder_find(stack,l3id);
01429 }

static struct misdn_bchannel* find_bc_by_masked_l3id ( struct misdn_stack stack,
unsigned long  l3id,
unsigned long  mask 
) [static]

Definition at line 1412 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::l3_id, and stack_holder_find().

Referenced by handle_event_nt().

01413 {
01414    int i;
01415    for (i=0; i<=stack->b_num; i++) {
01416       if ( (stack->bc[i].l3_id & mask)  ==  (l3id & mask)) return &stack->bc[i] ;
01417    }
01418    return stack_holder_find(stack,l3id);
01419 }

static struct misdn_bchannel* find_bc_holded ( struct misdn_stack stack  )  [static]

Definition at line 1431 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, and misdn_bchannel::holded.

Referenced by manager_find_bc_holded().

01432 {
01433    int i;
01434    for (i=0; i<=stack->b_num; i++) {
01435       if (stack->bc[i].holded ) return &stack->bc[i] ;
01436    }
01437    return NULL;
01438 }

static int find_free_chan_in_stack ( struct misdn_stack stack,
struct misdn_bchannel bc,
int  channel,
int  dec 
) [static]

Definition at line 434 of file isdn_lib.c.

References misdn_stack::b_num, cb_log, misdn_bchannel::channel, misdn_stack::channels, MAX_BCHANS, misdn_stack::port, and misdn_stack::pri.

Referenced by create_process(), handle_event(), handle_event_nt(), and misdn_lib_send_event().

00435 {
00436    int i;
00437 
00438    cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00439 
00440    if (channel < 0 || channel > MAX_BCHANS) {
00441       cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00442       return 0;
00443    }
00444    
00445    channel--;
00446 
00447    int bnums=stack->pri?stack->b_num:stack->b_num-1;
00448  
00449    if (dec) {
00450       for (i = bnums; i >=0; i--) {
00451          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
00452             if (!stack->channels[i]) {
00453                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00454                bc->channel=i+1;
00455                return i+1;
00456             }
00457          }
00458       }
00459    } else {
00460       for (i = 0; i <= bnums; i++) {
00461          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
00462             if (!stack->channels[i]) {
00463                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00464                bc->channel=i+1;
00465                return i+1;
00466             }
00467          }
00468       }
00469    }
00470 
00471    cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00472    dump_chan_list(stack);
00473   
00474    return 0;
00475 }

static struct misdn_stack* find_stack_by_addr ( int  addr  )  [static]

Definition at line 1373 of file isdn_lib.c.

References glob_mgr, misdn_stack::next, misdn_lib::stack_list, and misdn_stack::upper_id.

Referenced by handle_frm(), handle_frm_nt(), handle_l1(), handle_l2(), and handle_mgmt().

01374 {
01375    struct misdn_stack *stack;
01376    
01377    for (stack=glob_mgr->stack_list;
01378         stack;
01379         stack=stack->next) {
01380       if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01381 
01382    }
01383   
01384    return NULL;
01385 }

static struct misdn_stack* find_stack_by_mgr ( manager_t *  mgr_nt  )  [static]

Definition at line 1400 of file isdn_lib.c.

References glob_mgr, misdn_stack::mgr, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_event_nt().

01401 {
01402    struct misdn_stack *stack;
01403   
01404    for (stack=glob_mgr->stack_list;
01405         stack;
01406         stack=stack->next) 
01407       if ( &stack->mgr == mgr_nt) return stack;
01408   
01409    return NULL;
01410 }

static struct misdn_stack* find_stack_by_port ( int  port  )  [static]

Definition at line 1388 of file isdn_lib.c.

References glob_mgr, misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by find_bc_by_channel(), handle_err(), manager_event_handler(), misdn_lib_get_port_info(), misdn_lib_port_restart(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_restart().

01389 {
01390    struct misdn_stack *stack;
01391   
01392    for (stack=glob_mgr->stack_list;
01393         stack;
01394         stack=stack->next) 
01395       if (stack->port == port) return stack;
01396   
01397    return NULL;
01398 }

static char* flip_buf_bits ( char *  buf,
int  len 
) [static]

Definition at line 293 of file isdn_lib.c.

References flip_table.

Referenced by handle_bchan(), misdn_lib_init(), misdn_lib_tx2misdn_frm(), and misdn_tx_jitter().

00294 {
00295    int i;
00296    char * start = buf;
00297    
00298    for (i = 0 ; i < len; i++) {
00299       buf[i] = flip_table[(unsigned char)buf[i]];
00300    }
00301    
00302    return start;
00303 }

struct misdn_stack * get_misdn_stack ( void   ) 

Definition at line 4382 of file isdn_lib.c.

References glob_mgr, and misdn_lib::stack_list.

Referenced by get_show_stack_details(), get_stack_by_bc(), misdn_lib_get_maxchans(), misdn_lib_is_port_blocked(), misdn_lib_is_ptp(), misdn_lib_port_block(), misdn_lib_port_is_pri(), and misdn_lib_port_unblock().

04382                                       {
04383    return glob_mgr->stack_list;
04384 }

void get_show_stack_details ( int  port,
char *  buf 
)

Definition at line 121 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by misdn_show_port(), and misdn_show_stacks().

00122 {
00123    struct misdn_stack *stack=get_misdn_stack();
00124    
00125    for ( ; stack; stack=stack->next) {
00126       if (stack->port == port) break;
00127    }
00128    
00129    if (stack) {
00130       sprintf(buf, "* Port %d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d", stack->port, stack->nt?"NT":"TE", stack->ptp?"PTP":"PMP", stack->l2link?"UP":"DOWN", stack->l1link?"UP":"DOWN",stack->blocked);
00131 
00132    } else {
00133       buf[0]=0;
00134    }
00135    
00136 }

struct misdn_stack* get_stack_by_bc ( struct misdn_bchannel bc  ) 

Definition at line 104 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, get_misdn_stack(), misdn_stack::next, misdn_bchannel::port, and misdn_stack::port.

Referenced by clean_up_bc(), create_process(), dec_ie_channel_id(), enc_ie_channel_id(), handle_bchan(), handle_event(), manager_bchannel_activate(), manager_bchannel_deactivate(), manager_clean_bc(), manager_ec_disable(), manager_ec_enable(), manager_find_bc_holded(), misdn_lib_log_ies(), misdn_lib_release(), misdn_lib_send_event(), misdn_lib_tx2misdn_frm(), parse_release_complete(), parse_restart(), send_msg(), and setup_bc().

00105 {
00106    struct misdn_stack *stack=get_misdn_stack();
00107 
00108    if (!bc) return NULL;
00109    
00110    for ( ; stack; stack=stack->next) {
00111       int i;
00112       for (i=0; i <=stack->b_num; i++) {
00113          if ( bc->port == stack->port) return stack;
00114       }
00115    }
00116 
00117    return NULL;
00118 }

static int handle_bchan ( msg_t *  msg  )  [static]

Definition at line 2280 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEAN_REQUEST, BCHAN_SETUP, BCHAN_SETUPED, misdn_bchannel::bframe, misdn_bchannel::bframe_len, misdn_bchannel::capability, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::dad, misdn_bchannel::dnumplan, do_tone(), misdn_bchannel::dtmf, EVENT_BCHAN_DATA, EVENT_DTMF_TONE, find_bc_by_addr(), flip_buf_bits(), get_stack_by_bc(), glob_mgr, misdn_bchannel::layer, misdn_stack::midev, misdn_cap_is_speech(), misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::pid, misdn_stack::port, misdn_bchannel::port, t, and misdn_lib::user_data.

Referenced by handle_err(), and manager_isdn_handler().

02281 {
02282    iframe_t *frm= (iframe_t*)msg->data;
02283 
02284 
02285    struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02286    
02287    if (!bc) {
02288       cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02289       return 0 ;
02290    }
02291    
02292    struct misdn_stack *stack=get_stack_by_bc(bc);
02293    
02294    if (!stack) {
02295       cb_log(0, bc->port,"handle_bchan: STACK not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02296       return 0;
02297    }
02298    
02299    switch (frm->prim) {
02300 
02301    case MGR_SETSTACK| CONFIRM:
02302       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02303       break;
02304       
02305    case MGR_SETSTACK| INDICATION:
02306       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02307    break;
02308 #if 0
02309    AGAIN:
02310       bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02311       if (!bc->addr) {
02312 
02313          if (errno == EAGAIN) {
02314             usleep(1000);
02315             goto AGAIN;
02316          }
02317          
02318          cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02319          
02320          /* we kill the channel later, when we received some
02321             data. */
02322          bc->addr= frm->addr;
02323       } else if ( bc->addr < 0) {
02324          cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02325          bc->addr=0;
02326       }
02327       
02328       cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02329 
02330       free_msg(msg);
02331    
02332       
02333       switch(bc->bc_state) {
02334       case BCHAN_SETUP:
02335          bc_state_change(bc,BCHAN_SETUPED);
02336       break;
02337 
02338       case BCHAN_CLEAN_REQUEST:
02339       default:
02340          cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02341          clean_up_bc(bc);
02342       }
02343       return 1;
02344 #endif
02345 
02346    case MGR_DELLAYER| INDICATION:
02347       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02348       break;
02349       
02350    case MGR_DELLAYER| CONFIRM:
02351       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02352       
02353       bc->pid=0;
02354       bc->addr=0;
02355       
02356       free_msg(msg);
02357       return 1;
02358       
02359    case PH_ACTIVATE | INDICATION:
02360    case DL_ESTABLISH | INDICATION:
02361       cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02362 
02363       free_msg(msg);
02364       return 1;    
02365 
02366    case PH_ACTIVATE | CONFIRM:
02367    case DL_ESTABLISH | CONFIRM:
02368       
02369       cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02370       free_msg(msg);
02371       
02372       return 1;    
02373 
02374    case DL_ESTABLISH | REQUEST:
02375       {
02376          char buf[128];
02377          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02378       }
02379       free_msg(msg);
02380       return 1;
02381 
02382    case DL_RELEASE|REQUEST:
02383       {
02384          char buf[128];
02385          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02386       }
02387       free_msg(msg);
02388       return 1;
02389       
02390    case PH_DEACTIVATE | INDICATION:
02391    case DL_RELEASE | INDICATION:
02392       cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02393       
02394       free_msg(msg);
02395       return 1;
02396     
02397    case PH_DEACTIVATE | CONFIRM:
02398    case DL_RELEASE | CONFIRM:
02399       cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02400       
02401       free_msg(msg);
02402       return 1;
02403     
02404    case PH_CONTROL|INDICATION:
02405    {
02406       unsigned int cont = *((unsigned int *)&frm->data.p);
02407       
02408       cb_log(4, stack->port, "PH_CONTROL: channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
02409 
02410       if ((cont&~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02411          int dtmf = cont & DTMF_TONE_MASK;
02412          cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02413          bc->dtmf=dtmf;
02414          cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02415    
02416          free_msg(msg);
02417          return 1;
02418       }
02419       if (cont == BF_REJECT) {
02420          cb_log(4, stack->port, " --> BF REJECT\n");
02421          free_msg(msg);
02422          return 1;
02423       }
02424       if (cont == BF_ACCEPT) {
02425          cb_log(4, stack->port, " --> BF ACCEPT\n");
02426          free_msg(msg);
02427          return 1;
02428       }
02429    }
02430    break;
02431 
02432    case PH_DATA|REQUEST:
02433    case DL_DATA|REQUEST:
02434       cb_log(0, stack->port, "DL_DATA REQUEST \n");
02435       do_tone(bc, 64);
02436       
02437       free_msg(msg);
02438       return 1;
02439    
02440    
02441    case PH_DATA|INDICATION:
02442    case DL_DATA|INDICATION:
02443    {
02444       bc->bframe = (void*)&frm->data.i;
02445       bc->bframe_len = frm->len;
02446 
02447       /** Anyway flip the bufbits **/
02448       if ( misdn_cap_is_speech(bc->capability) ) 
02449          flip_buf_bits(bc->bframe, bc->bframe_len);
02450    
02451 
02452       if (!bc->bframe_len) {
02453          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02454          free_msg(msg);
02455          return 1;
02456       }
02457 
02458       if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02459          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02460          free_msg(msg);
02461          return 1;
02462       }
02463       
02464 #if MISDN_DEBUG
02465       cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02466 
02467 #endif
02468       
02469       if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02470          int t;
02471 
02472 #ifdef MISDN_B_DEBUG
02473          cb_log(0,bc->port,"do_tone START\n");
02474 #endif
02475          t=do_tone(bc,frm->len);
02476 
02477 #ifdef MISDN_B_DEBUG
02478          cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02479 #endif
02480          if (  !t ) {
02481             
02482             if ( misdn_cap_is_speech(bc->capability)) {
02483                if ( !bc->nojitter ) {
02484 #ifdef MISDN_B_DEBUG
02485                   cb_log(0,bc->port,"tx_jitter START\n");
02486 #endif
02487                   misdn_tx_jitter(bc,frm->len);
02488 #ifdef MISDN_B_DEBUG
02489                   cb_log(0,bc->port,"tx_jitter STOP\n");
02490 #endif
02491                }
02492             }
02493 
02494 #ifdef MISDN_B_DEBUG 
02495             cb_log(0,bc->port,"EVENT_B_DATA START\n");
02496 #endif
02497             
02498             int i=cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02499 #ifdef MISDN_B_DEBUG 
02500             cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02501 #endif
02502             
02503             if (i<0) {
02504                cb_log(10,stack->port,"cb_event returned <0\n");
02505                /*clean_up_bc(bc);*/
02506             }
02507          }
02508       }
02509       free_msg(msg);
02510       return 1;
02511    }
02512 
02513 
02514    case PH_CONTROL | CONFIRM:
02515       cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02516       free_msg(msg);
02517       return 1;
02518 
02519    case PH_DATA | CONFIRM:
02520    case DL_DATA|CONFIRM:
02521 #if MISDN_DEBUG
02522 
02523       cb_log(0, stack->port, "Data confirmed\n");
02524 
02525 #endif
02526       free_msg(msg);
02527       return 1;
02528    case DL_DATA|RESPONSE:
02529 #if MISDN_DEBUG
02530       cb_log(0, stack->port, "Data response\n");
02531 
02532 #endif
02533       break;
02534    }
02535   
02536    return 0;
02537 }

static int handle_cr ( struct misdn_stack stack,
iframe_t *  frm 
) [static]

Definition at line 1564 of file isdn_lib.c.

References cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), dump_chan_list(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, find_bc_by_l3id(), free, glob_mgr, misdn_bchannel::l3_id, misdn_lib_get_free_bc(), misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_stack::nt, misdn_stack::port, misdn_bchannel::stack_holder, stack_holder_remove(), and misdn_lib::user_data.

Referenced by handle_event_nt(), and handle_frm().

01565 {
01566    if (!stack) return -1;
01567   
01568    switch (frm->prim) {
01569    case CC_NEW_CR|INDICATION:
01570       cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01571 
01572       struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01573       if (!bc) {
01574          cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01575          return -1;
01576       }
01577   
01578       cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01579       bc->l3_id=frm->dinfo;
01580       return 1;
01581    case CC_NEW_CR|CONFIRM:
01582       return 1;
01583    case CC_NEW_CR|REQUEST:
01584       return 1;
01585    case CC_RELEASE_CR|REQUEST:
01586       return 1;
01587    case CC_RELEASE_CR|CONFIRM:
01588       break;
01589    case CC_RELEASE_CR|INDICATION:
01590       cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01591       {
01592          struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01593          struct misdn_bchannel dummybc;
01594       
01595          if (!bc) {
01596             cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01597             memset (&dummybc,0,sizeof(dummybc));
01598             dummybc.port=stack->port;
01599             dummybc.l3_id=frm->dinfo;
01600             dummybc.nt=stack->nt;
01601             bc=&dummybc; 
01602          }
01603       
01604          if (bc) {
01605             cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01606             if (bc->channel>0)
01607                empty_chan_in_stack(stack,bc->channel);
01608             
01609             /*bc->pid = 0;*/
01610             bc->need_disconnect=0;
01611             bc->need_release=0;
01612             bc->need_release_complete=0;
01613 
01614             cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01615 
01616             empty_bc(bc);
01617             clean_up_bc(bc);
01618             dump_chan_list(stack);
01619 
01620             if (bc->stack_holder) {
01621                cb_log(4,stack->port, "REMOVEING Holder\n");
01622                stack_holder_remove( stack, bc);
01623                free(bc);
01624             }
01625          }
01626          else {
01627             if (stack->nt) 
01628                cb_log(4, stack->port, "BC with dinfo: %x  not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01629          }
01630       
01631          return 1;
01632       }
01633       break;
01634    }
01635   
01636    return 0;
01637 }

static int handle_err ( msg_t *  msg  )  [static]

Definition at line 3437 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), cb_log, find_bc_by_channel(), find_stack_by_port(), handle_bchan(), misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), and misdn_bchannel::port.

Referenced by manager_isdn_handler().

03438 {
03439    iframe_t *frm = (iframe_t*) msg->data;
03440 
03441 
03442    if (!frm->addr) {
03443       static int cnt=0;
03444       if (!cnt)
03445          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03446       cnt++;
03447       if (cnt>100) {
03448          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03449          cnt=0;
03450       }
03451       
03452       free_msg(msg);
03453       return 1;
03454       
03455    }
03456    
03457    switch (frm->prim) {
03458       case MGR_SETSTACK|INDICATION:
03459          return handle_bchan(msg);
03460       break;
03461 
03462       case MGR_SETSTACK|CONFIRM:
03463       case MGR_CLEARSTACK|CONFIRM:
03464          free_msg(msg) ; 
03465          return 1;
03466       break;
03467 
03468       case DL_DATA|CONFIRM:
03469          cb_log(4,0,"DL_DATA|CONFIRM\n");
03470          free_msg(msg);
03471          return 1;
03472 
03473       case PH_CONTROL|CONFIRM:
03474          cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03475          free_msg(msg);
03476          return 1;
03477 
03478       case DL_DATA|INDICATION:
03479       {
03480          int port=(frm->addr&MASTER_ID_MASK) >> 8;
03481          int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03482 
03483          /*we flush the read buffer here*/
03484          
03485          cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03486          
03487          free_msg(msg) ; 
03488          return 1;
03489          
03490          
03491          struct misdn_bchannel *bc=find_bc_by_channel( port , channel);
03492 
03493          if (!bc) {
03494             struct misdn_stack *stack=find_stack_by_port( port );
03495 
03496             if (!stack) {
03497                cb_log(0,0," --> stack not found\n");
03498                free_msg(msg);
03499                return 1;
03500             }
03501             
03502             cb_log(0,0," --> bc not found by channel\n");
03503             if (stack->l2link)
03504                misdn_lib_get_l2_down(stack);
03505 
03506             if (stack->l1link)
03507                misdn_lib_get_l1_down(stack);
03508 
03509             free_msg(msg);
03510             return 1;
03511          }
03512          
03513          cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03514       }
03515    }
03516 
03517    return 0;
03518 }

static int handle_event ( struct misdn_bchannel bc,
enum event_e  event,
iframe_t *  frm 
) [static]

Definition at line 1497 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, cb_log, misdn_bchannel::channel, misdn_bchannel::crypt_key, misdn_bchannel::dad, misdn_bchannel::dnumplan, EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, find_free_chan_in_stack(), get_stack_by_bc(), manager_ph_control_block(), misdn_cap_is_speech(), misdn_lib_send_event(), misdn_stack::nt, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::port, set_chan_in_stack(), and setup_bc().

Referenced by handle_frm().

01498 {
01499    struct misdn_stack *stack=get_stack_by_bc(bc);
01500    
01501    if (!stack->nt) {
01502       
01503       switch (event) {
01504 
01505       case EVENT_CONNECT_ACKNOWLEDGE:
01506 #if 0
01507          if ( !misdn_cap_is_speech(bc->capability)) {
01508             int ret=setup_bc(bc);
01509             if (ret == -EINVAL){
01510                cb_log(0,bc->port,"send_event: setup_bc failed\n");
01511             }
01512          }
01513 #endif   
01514          break;
01515       case EVENT_CONNECT:
01516 
01517          if ( *bc->crypt_key ) {
01518             cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01519             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01520          }
01521       case EVENT_ALERTING:
01522       case EVENT_PROGRESS:
01523       case EVENT_PROCEEDING:
01524       case EVENT_SETUP_ACKNOWLEDGE:
01525 
01526       setup_bc(bc);
01527 
01528       case EVENT_SETUP:
01529       {
01530          if (bc->channel == 0xff) {
01531             if (!find_free_chan_in_stack(stack, bc, 0, 0)) {
01532                cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01533                bc->out_cause=34;
01534                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01535                return -1;
01536             }
01537          } 
01538 
01539          if (bc->channel >0 && bc->channel<255) {
01540             int ret=set_chan_in_stack(stack ,bc->channel);
01541             if (event == EVENT_SETUP && ret<0){
01542                /* empty bchannel */
01543                bc->channel=0;
01544                bc->out_cause=44;
01545                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01546                return -1;
01547             }
01548          }
01549       }
01550       break;
01551 
01552       case EVENT_RELEASE_COMPLETE:
01553       case EVENT_RELEASE:
01554          break;
01555       default:
01556          break;
01557       }
01558    } else {    /** NT MODE **/
01559       
01560    }
01561    return 0;
01562 }

int handle_event_nt ( void *  dat,
void *  arg 
) [static]

Definition at line 1739 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, misdn_bchannel::capability, misdn_bchannel::cause, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), create_l3msg(), empty_bc(), empty_chan_in_stack(), event, EVENT_NEW_L3ID, EVENT_PORT_ALARM, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, find_bc_by_l3id(), find_bc_by_masked_l3id(), find_free_chan_in_stack(), find_stack_by_mgr(), free, glob_mgr, handle_cr(), misdn_bchannel::holded, isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_stack::l1link, misdn_stack::l2link, misdn_stack::l2upcnt, misdn_bchannel::l3_id, misdn_stack::mgr, misdn_cap_is_speech(), misdn_lib_get_free_bc(), misdn_lib_get_l2_up(), misdn_lib_reinit_nt_stack(), misdn_lib_send_event(), mISDNUSER_HEAD_SIZE, msgs_g, misdn_stack::nst, misdn_stack::nt, misdn_bchannel::out_cause, misdn_bchannel::port, misdn_stack::port, misdn_stack::procids, misdn_stack::ptp, set_chan_in_stack(), setup_bc(), stack_holder_find(), stack_holder_remove(), misdn_stack::upper_id, and misdn_lib::user_data.

Referenced by misdn_lib_reinit_nt_stack().

01740 {
01741    manager_t *mgr = (manager_t *)dat;
01742    msg_t *msg = (msg_t *)arg;
01743    mISDNuser_head_t *hh;
01744    int reject=0;
01745 
01746    struct misdn_stack *stack=find_stack_by_mgr(mgr);
01747    int port;
01748 
01749    if (!msg || !mgr)
01750       return(-EINVAL);
01751 
01752    hh=(mISDNuser_head_t*)msg->data;
01753    port=stack->port;
01754    
01755    cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01756    {
01757       switch(hh->prim){
01758       case CC_RETRIEVE|INDICATION:
01759       {
01760          iframe_t frm; /* fake te frm to add callref to global callreflist */
01761          frm.dinfo = hh->dinfo;
01762 
01763          frm.addr=stack->upper_id | FLG_MSG_DOWN;
01764 
01765          frm.prim = CC_NEW_CR|INDICATION;
01766          
01767          if (handle_cr( stack, &frm)< 0) {
01768             msg_t *dmsg;
01769             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01770             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01771             stack->nst.manager_l3(&stack->nst, dmsg);
01772             free_msg(msg);
01773             return 0;
01774          }
01775          
01776          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01777          struct misdn_bchannel *hold_bc=stack_holder_find(stack,bc->l3_id);
01778          cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01779 
01780          if (hold_bc) {
01781             cb_log(4, stack->port, "REMOVEING Holder\n");
01782 
01783             /*swap the backup to our new channel back*/
01784             stack_holder_remove(stack, hold_bc);
01785             memcpy(bc,hold_bc,sizeof(struct misdn_bchannel));
01786             free(hold_bc);
01787 
01788             bc->holded=0;
01789          }
01790          
01791       }
01792          
01793          break;
01794          
01795       case CC_SETUP|CONFIRM:
01796       {
01797          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01798          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01799          cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID  is %x\n",l3id );
01800    
01801          if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01802          cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01803          bc->l3_id=l3id;
01804          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01805       }
01806       free_msg(msg);
01807       return 0;
01808       
01809       case CC_SETUP|INDICATION:
01810       {
01811          struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01812          if (!bc) 
01813          ERR_NO_CHANNEL:
01814          {
01815             msg_t *dmsg;
01816             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01817             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01818             stack->nst.manager_l3(&stack->nst, dmsg);
01819             free_msg(msg);
01820             return 0;
01821          }
01822   
01823          cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01824          bc->l3_id=hh->dinfo;
01825       }
01826       break;
01827 
01828       case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01829 #if 0
01830       {
01831          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01832          if (bc) {
01833             if ( !misdn_cap_is_speech(bc->capability)) {
01834                int ret=setup_bc(bc);
01835                if (ret == -EINVAL){
01836                   cb_log(0,bc->port,"send_event: setup_bc failed\n");
01837                   
01838                }
01839             }
01840          }
01841       }
01842 #endif
01843       break;
01844       
01845       case CC_ALERTING|INDICATION:
01846       case CC_PROCEEDING|INDICATION:
01847       case CC_SETUP_ACKNOWLEDGE|INDICATION:
01848          if(!stack->ptp) break;  
01849       case CC_CONNECT|INDICATION:
01850       {
01851 #if 0
01852          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01853          
01854          if (!bc) {
01855             msg_t *dmsg;
01856             cb_log(0, stack->port,"!!!! We didn't found our bc, dinfo:%x on this port.\n",hh->dinfo);
01857             
01858             cb_log(0, stack->port, "Releaseing call %x (No free Chan for you..)\n", hh->dinfo);
01859             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01860             stack->nst.manager_l3(&stack->nst, dmsg);
01861             free_msg(msg);
01862             return 0;
01863             
01864          }
01865          int ret=setup_bc(bc);
01866          if (ret == -EINVAL){
01867             cb_log(0,bc->port,"handle_event_nt: setup_bc failed\n");
01868             misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01869          }
01870 #endif
01871       }
01872       break;
01873       case CC_DISCONNECT|INDICATION:
01874       {
01875          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01876          if (!bc) {
01877             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01878             if (bc) { 
01879                int myprocid=bc->l3_id&0x0000ffff;
01880                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01881                cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01882                reject=1;      
01883             }
01884          }
01885       }
01886       break;
01887       
01888       case CC_FACILITY|INDICATION:
01889       {
01890          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01891          if (!bc) {
01892             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01893             if (bc) { 
01894                int myprocid=bc->l3_id&0x0000ffff;
01895                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01896                cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01897             }
01898          }
01899       }
01900       break;
01901       
01902       case CC_RELEASE_COMPLETE|INDICATION:
01903          break;
01904 
01905       case CC_SUSPEND|INDICATION:
01906       {
01907          msg_t *dmsg;
01908          cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01909          dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01910          stack->nst.manager_l3(&stack->nst, dmsg);
01911          free_msg(msg);
01912          return 0;
01913       }
01914       break;
01915       case CC_RESUME|INDICATION:
01916          break;
01917 
01918       case CC_RELEASE|CONFIRM:
01919          break;
01920          
01921       case CC_RELEASE|INDICATION:
01922          break;
01923 
01924       case CC_RELEASE_CR|INDICATION:
01925       {
01926          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01927          struct misdn_bchannel dummybc;
01928          iframe_t frm; /* fake te frm to remove callref from global callreflist */
01929          frm.dinfo = hh->dinfo;
01930 
01931          frm.addr=stack->upper_id | FLG_MSG_DOWN;
01932 
01933          frm.prim = CC_RELEASE_CR|INDICATION;
01934          cb_log(4, stack->port, " --> Faking Realease_cr for %x\n",frm.addr);
01935          /** removing procid **/
01936          if (!bc) {
01937             cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01938             memset (&dummybc,0,sizeof(dummybc));
01939             dummybc.port=stack->port;
01940             dummybc.l3_id=hh->dinfo;
01941             dummybc.nt=stack->nt;
01942             bc=&dummybc; 
01943          }
01944    
01945          if (bc) {
01946             if ( (bc->l3_id & 0xff00) == 0xff00) {
01947                cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01948                stack->procids[bc->l3_id&0xff] = 0 ;
01949             }
01950          }
01951          else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01952    
01953          if (handle_cr(stack, &frm)<0) {
01954          }
01955 
01956          free_msg(msg);
01957          return 0 ;
01958       }
01959       break;
01960       
01961       case CC_NEW_CR|INDICATION:
01962          /*  Got New CR for bchan, for now I handle this one in */
01963          /*  connect_ack, Need to be changed */
01964       {
01965          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01966          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01967          if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01968          if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01969             cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01970             stack->procids[bc->l3_id&0xff] = 0 ;
01971          }
01972          cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID  is %x\n",l3id );
01973    
01974          bc->l3_id =l3id;
01975          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01976    
01977          free_msg(msg);
01978          return 0;
01979       }
01980       
01981       case DL_ESTABLISH | INDICATION:
01982       case DL_ESTABLISH | CONFIRM:
01983       {
01984          cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
01985          
01986          if (stack->ptp && stack->l2link) {
01987             cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
01988             cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
01989          }
01990       
01991          /* when we get the L2 UP, the L1 is UP definitely too*/
01992          stack->l1link = 1;
01993          stack->l2link = 1;
01994          stack->l2upcnt=0;
01995          
01996          free_msg(msg);
01997          return 0;
01998       }
01999       break;
02000 
02001 
02002       case DL_RELEASE | INDICATION:
02003       case DL_RELEASE | CONFIRM:
02004       {
02005          if (stack->ptp) {
02006             cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02007 
02008             if (stack->l2upcnt>3) {
02009                cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02010             }  else {
02011 #if 0
02012                if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02013 #endif
02014                if (stack->l1link) {
02015                   misdn_lib_get_l2_up(stack);
02016                   stack->l2upcnt++;
02017                }
02018             }
02019             
02020          } else 
02021             cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02022          
02023          stack->l2link = 0;
02024          free_msg(msg);
02025          return 0;
02026       }
02027       break;
02028       }
02029    }
02030    
02031    {
02032       /*  Parse Events and fire_up to App. */
02033       struct misdn_bchannel *bc;
02034       struct misdn_bchannel dummybc;
02035       
02036       enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02037     
02038       bc=find_bc_by_l3id(stack, hh->dinfo);
02039     
02040       if (!bc) {
02041       
02042          cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02043          memset (&dummybc,0,sizeof(dummybc));
02044          dummybc.port=stack->port;
02045          dummybc.l3_id=hh->dinfo;
02046          dummybc.nt=stack->nt;
02047          bc=&dummybc; 
02048       }
02049       if (bc ) {
02050          isdn_msg_parse_event(msgs_g,msg,bc, 1);
02051 
02052          switch (event) {
02053             case EVENT_SETUP:
02054                if (bc->channel<=0 || bc->channel==0xff) {
02055                   bc->channel=find_free_chan_in_stack(stack,bc, 0,0);
02056                   if (bc->channel<=0)
02057                      goto ERR_NO_CHANNEL;
02058                } else if (!stack->ptp) 
02059                   cb_log(3,stack->port," --> PTMP but channel requested\n"); 
02060 
02061                int ret=set_chan_in_stack(stack, bc->channel);
02062                if (event==EVENT_SETUP && ret<0){
02063                   /* empty bchannel */
02064                   bc->channel=0;
02065                   bc->out_cause=44;
02066 
02067                   goto ERR_NO_CHANNEL;
02068                } 
02069                break;
02070             case EVENT_RELEASE:
02071             case EVENT_RELEASE_COMPLETE:
02072                if (bc->channel>0)
02073                                  empty_chan_in_stack(stack, bc->channel);
02074                int tmpcause=bc->cause; 
02075                          empty_bc(bc);
02076                bc->cause=tmpcause;
02077                clean_up_bc(bc);
02078                break;
02079 
02080             default:
02081             break;
02082          }
02083          
02084          if(!isdn_get_info(msgs_g,event,1)) {
02085             cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02086          } else {
02087             if (reject) {
02088                switch(bc->cause){
02089                   case 17:
02090                      cb_log(1, stack->port, "Siemens Busy reject..\n");
02091 
02092                      break;
02093                   default:
02094                      break;
02095                }
02096             }
02097             cb_event(event, bc, glob_mgr->user_data);
02098          }
02099       
02100       } else {
02101          cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02102       }
02103 
02104       free_msg(msg);
02105    }
02106 
02107 
02108    return 0;
02109 }

static int handle_frm ( msg_t *  msg  )  [static]

Definition at line 2576 of file isdn_lib.c.

References bc_state_change(), BCHAN_CLEANED, misdn_bchannel::cause, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), empty_chan_in_stack(), event, EVENT_RELEASE_COMPLETE, EVENT_SETUP, find_bc_by_l3id(), find_stack_by_addr(), glob_mgr, handle_cr(), handle_event(), isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_lib_send_event(), msgs_g, misdn_stack::nt, misdn_bchannel::out_cause, misdn_stack::port, RESPONSE_IGNORE_SETUP, RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE, RESPONSE_OK, RESPONSE_RELEASE_SETUP, and misdn_lib::user_data.

Referenced by manager_event_handler(), and manager_isdn_handler().

02577 {
02578    iframe_t *frm = (iframe_t*) msg->data;
02579    
02580    struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02581 
02582    if (!stack || stack->nt) {
02583       return 0;
02584    }
02585    
02586    cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02587 
02588    {
02589       struct misdn_bchannel *bc;
02590       int ret=handle_cr(stack, frm);
02591 
02592       if (ret<0) {
02593          cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02594 
02595 
02596       }
02597 
02598       if(ret) {
02599          free_msg(msg);
02600          return 1;
02601       }
02602     
02603       bc=find_bc_by_l3id(stack, frm->dinfo);
02604     
02605 handle_frm_bc:
02606       if (bc ) {
02607          enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02608          enum event_response_e response=RESPONSE_OK;
02609       
02610          isdn_msg_parse_event(msgs_g,msg,bc, 0);
02611          
02612          /** Preprocess some Events **/
02613          int ret=handle_event(bc, event, frm);
02614          if (ret<0) {
02615             cb_log(0,stack->port,"couldn't handle event\n");
02616             free_msg(msg);
02617             return 1;
02618          }
02619          /*  shoot up event to App: */
02620          cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02621       
02622          if(!isdn_get_info(msgs_g,event,0)) 
02623             cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02624          else
02625             response=cb_event(event, bc, glob_mgr->user_data);
02626 #if 1
02627          if (event == EVENT_SETUP) {
02628             switch (response) {
02629             case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02630 
02631                cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");               
02632                
02633                break;
02634             case RESPONSE_IGNORE_SETUP:
02635                /* I think we should send CC_RELEASE_CR, but am not sure*/
02636                bc->out_cause=16;
02637             
02638             case RESPONSE_RELEASE_SETUP:
02639                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02640                if (bc->channel>0)
02641                   empty_chan_in_stack(stack, bc->channel);
02642                empty_bc(bc);
02643                bc_state_change(bc,BCHAN_CLEANED);
02644 
02645                cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02646 
02647                
02648                break;
02649             case RESPONSE_OK:
02650                cb_log(4, stack->port, "GOT SETUP OK\n");
02651 
02652                
02653                break;
02654             default:
02655                break;
02656             }
02657          }
02658 
02659          if (event == EVENT_RELEASE_COMPLETE) {
02660             /* release bchannel only after we've anounced the RELEASE_COMPLETE */
02661             if (bc->channel>0)
02662                empty_chan_in_stack(stack,bc->channel);
02663             int tmpcause=bc->cause; 
02664             int tmp_out_cause=bc->out_cause; 
02665             empty_bc(bc);
02666             bc->cause=tmpcause;
02667             bc->out_cause=tmp_out_cause;
02668             clean_up_bc(bc);
02669          }
02670 
02671          cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02672 
02673          
02674          free_msg(msg);
02675          return 1;
02676 #endif
02677       
02678       } else {
02679          cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02680          struct misdn_bchannel dummybc;
02681          memset (&dummybc,0,sizeof(dummybc));
02682          dummybc.port=stack->port;
02683          dummybc.l3_id=frm->dinfo;
02684          bc=&dummybc; 
02685          goto handle_frm_bc;
02686       }
02687    }
02688 
02689    cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02690    return 0;
02691 }

static int handle_frm_nt ( msg_t *  msg  )  [static]

Definition at line 2541 of file isdn_lib.c.

References cb_log, find_stack_by_addr(), misdn_stack::nst, misdn_stack::nt, nt_err_cnt, and misdn_stack::port.

Referenced by manager_event_handler(), and manager_isdn_handler().

02542 {
02543    iframe_t *frm= (iframe_t*)msg->data;
02544    struct misdn_stack *stack;
02545    int err=0;
02546 
02547    stack=find_stack_by_addr( frm->addr );
02548 
02549    
02550   
02551    if (!stack || !stack->nt) {
02552       return 0;
02553    }
02554 
02555    
02556    if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02557     
02558       if (nt_err_cnt > 0 ) {
02559          if (nt_err_cnt < 100) {
02560             nt_err_cnt++; 
02561             cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02562          } else if (nt_err_cnt < 105){
02563             cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02564             nt_err_cnt = - 1; 
02565          }
02566       }
02567       free_msg(msg);
02568       return 1;
02569       
02570    }
02571    
02572    return 1;
02573 }

static int handle_l1 ( msg_t *  msg  )  [static]

Definition at line 2694 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_event, cb_log, EVENT_CLEANUP, EVENT_NOTHING, misdn_bchannel::evq, find_stack_by_addr(), glob_mgr, global_state, isdn_get_info(), misdn_stack::l1link, MISDN_INITIALIZED, misdn_lib_get_l2_up(), misdn_lib_send_event(), msgs_g, misdn_stack::nst, misdn_stack::nt, misdn_stack::port, misdn_stack::ptp, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02695 {
02696    iframe_t *frm = (iframe_t*) msg->data;
02697    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02698    int i ;
02699    
02700    if (!stack) return 0 ;
02701 
02702    switch (frm->prim) {
02703    case PH_ACTIVATE | CONFIRM:
02704    case PH_ACTIVATE | INDICATION:
02705       cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02706       stack->l1link=1;
02707       
02708       if (stack->nt) {
02709          
02710          if (stack->nst.l1_l2(&stack->nst, msg))
02711             free_msg(msg);
02712 
02713          if (stack->ptp)
02714             misdn_lib_get_l2_up(stack);
02715       } else {
02716          free_msg(msg);
02717       }
02718       
02719       for (i=0;i<=stack->b_num; i++) {
02720          if (stack->bc[i].evq != EVENT_NOTHING) {
02721             cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02722             misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02723             stack->bc[i].evq=EVENT_NOTHING;
02724          }
02725          
02726       }
02727       return 1;
02728 
02729    case PH_ACTIVATE | REQUEST:
02730       free_msg(msg);
02731       cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02732       return 1;
02733       
02734    case PH_DEACTIVATE | REQUEST:
02735       free_msg(msg);
02736       cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02737       return 1;
02738       
02739    case PH_DEACTIVATE | CONFIRM:
02740    case PH_DEACTIVATE | INDICATION:
02741       cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02742       
02743       for (i=0; i<=stack->b_num; i++) {
02744          if (global_state == MISDN_INITIALIZED)  {
02745             cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02746          }
02747       }
02748       
02749       if (stack->nt) {
02750          if (stack->nst.l1_l2(&stack->nst, msg))
02751             free_msg(msg);
02752       } else {
02753          free_msg(msg);
02754       }
02755       
02756       stack->l1link=0;
02757       stack->l2link=0;
02758       return 1;
02759    }
02760   
02761    return 0;
02762 }

static int handle_l2 ( msg_t *  msg  )  [static]

Definition at line 2764 of file isdn_lib.c.

References misdn_stack::bc, cb_event, cb_log, EVENT_PORT_ALARM, find_stack_by_addr(), glob_mgr, misdn_stack::l2link, misdn_stack::port, misdn_stack::ptp, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02765 {
02766    iframe_t *frm = (iframe_t*) msg->data;
02767 
02768    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02769    
02770    if (!stack) {
02771       return 0 ;
02772    }
02773    
02774    switch(frm->prim) {
02775 
02776    case DL_ESTABLISH | REQUEST:
02777       cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02778       return 1;
02779    case DL_RELEASE | REQUEST:
02780       cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02781       return 1;
02782       
02783    case DL_ESTABLISH | INDICATION:
02784    case DL_ESTABLISH | CONFIRM:
02785    {
02786       cb_log (3, stack->port, "L2: L2Link Up! \n");
02787       if (stack->ptp && stack->l2link) {
02788          cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n"); 
02789          cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02790       }
02791       stack->l2link=1;
02792       free_msg(msg);
02793       return 1;
02794    }
02795    break;
02796     
02797    case DL_RELEASE | INDICATION:
02798    case DL_RELEASE | CONFIRM:
02799    {
02800       cb_log (3, stack->port, "L2: L2Link Down! \n");
02801       stack->l2link=0;
02802       
02803       free_msg(msg);
02804       return 1;
02805    }
02806    break;
02807    }
02808    return 0;
02809 }

static int handle_mgmt ( msg_t *  msg  )  [static]

Definition at line 2811 of file isdn_lib.c.

References cb_log, clear_l3(), find_stack_by_addr(), misdn_stack::l1link, misdn_stack::l2link, and misdn_stack::port.

Referenced by manager_isdn_handler().

02812 {
02813    iframe_t *frm = (iframe_t*) msg->data;
02814 
02815    if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02816       cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02817       free_msg(msg);
02818       return 1;
02819    }
02820    
02821    struct misdn_stack * stack=find_stack_by_addr(frm->addr);
02822    
02823    if (!stack) {
02824       if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02825          cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02826                frm->addr) ;
02827          free_msg(msg);
02828          return 1;
02829       }
02830       
02831       return 0;
02832    }
02833    
02834    switch(frm->prim) {
02835    case MGR_SHORTSTATUS | INDICATION:
02836    case MGR_SHORTSTATUS | CONFIRM:
02837       cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02838       
02839       switch (frm->dinfo) {
02840       case SSTATUS_L1_ACTIVATED:
02841          cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02842          stack->l1link=1;
02843       
02844          break;
02845       case SSTATUS_L1_DEACTIVATED:
02846          cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02847          stack->l1link=0;
02848 
02849          clear_l3(stack);
02850          break;
02851 
02852       case SSTATUS_L2_ESTABLISHED:
02853          cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02854 
02855          /*when the L2 goes UP, L1 needs to be UP too*/
02856          stack->l1link=1;
02857          stack->l2link=1;
02858          break;
02859          
02860       case SSTATUS_L2_RELEASED:
02861          cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02862          stack->l2link=0;
02863          break;
02864       }
02865       
02866       free_msg(msg);
02867       return 1;
02868       
02869    case MGR_SETSTACK | INDICATION:
02870       cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02871       free_msg(msg);
02872       return 1;
02873    case MGR_DELLAYER | CONFIRM:
02874       cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02875       free_msg(msg);
02876       return 1;
02877       
02878    }
02879    
02880    /*
02881    if ( (frm->prim & 0x0f0000) ==  0x0f0000) {
02882    cb_log(5, 0, "$$$ MGMT FRAME: prim %x addr %x dinfo %x\n",frm->prim, frm->addr, frm->dinfo) ;
02883    free_msg(msg);
02884    return 1;
02885    } */
02886     
02887    return 0;
02888 }

static int handle_timers ( msg_t *  msg  )  [static]

Definition at line 2112 of file isdn_lib.c.

References cb_log, glob_mgr, misdn_stack::midev, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, and misdn_lib::stack_list.

Referenced by manager_isdn_handler().

02113 {
02114    iframe_t *frm= (iframe_t*)msg->data;
02115    struct misdn_stack *stack; 
02116   
02117    /* Timer Stuff */
02118    switch (frm->prim) {
02119    case MGR_INITTIMER | CONFIRM:
02120    case MGR_ADDTIMER | CONFIRM:
02121    case MGR_DELTIMER | CONFIRM:
02122    case MGR_REMOVETIMER | CONFIRM:
02123       free_msg(msg);
02124       return(1);
02125    }
02126   
02127   
02128   
02129    if (frm->prim==(MGR_TIMER | INDICATION) ) {
02130       for (stack = glob_mgr->stack_list;
02131            stack;
02132            stack = stack->next) {
02133          itimer_t *it;
02134       
02135          if (!stack->nt) continue;
02136       
02137          it = stack->nst.tlist;
02138          /* find timer */
02139          for(it=stack->nst.tlist;
02140              it;
02141              it=it->next) {
02142             if (it->id == (int)frm->addr)
02143                break;
02144          }
02145          if (it) {
02146             int ret;
02147             ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02148                      MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02149             test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02150             ret = it->function(it->data);
02151             free_msg(msg);
02152             return 1;
02153          }
02154       }
02155     
02156       cb_log(0, 0, "Timer Msg without Timer ??\n");
02157       free_msg(msg);
02158       return 1;
02159    }
02160   
02161    return 0;
02162 }

int init_bc ( struct misdn_stack stack,
struct misdn_bchannel bc,
int  midev,
int  port,
int  bidx,
char *  msn,
int  firsttime 
)

IFACE

Definition at line 1093 of file isdn_lib.c.

References misdn_bchannel::astbuf, misdn_stack::bc, bc_state_change(), BCHAN_CLEANED, cb_log, empty_bc(), send_lock::lock, malloc, MISDN_IBUF_SIZE, misdn_bchannel::msn, misdn_stack::nt, misdn_bchannel::nt, misdn_stack::port, misdn_bchannel::port, pthread_mutex_init, and misdn_bchannel::send_lock.

Referenced by misdn_lib_init().

01094 {
01095    unsigned char buff[1025];
01096    iframe_t *frm = (iframe_t *)buff;
01097    int ret;
01098   
01099    if (!bc) return -1;
01100   
01101    cb_log(8, port, "Init.BC %d.\n",bidx);
01102    
01103    memset(bc, 0,sizeof(struct misdn_bchannel));
01104 
01105    bc->send_lock=malloc(sizeof(struct send_lock));
01106 
01107    pthread_mutex_init(&bc->send_lock->lock, NULL);
01108    
01109    if (msn) {
01110       int l = sizeof(bc->msn);
01111       strncpy(bc->msn,msn, l);
01112       bc->msn[l-1] = 0;
01113    }
01114    
01115    
01116    empty_bc(bc);
01117    bc_state_change(bc, BCHAN_CLEANED);
01118    
01119    bc->port=stack->port;
01120    bc->nt=stack->nt?1:0;
01121    
01122    {
01123       ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01124 
01125       if (!ibuf) return -1;
01126       
01127       clear_ibuffer( ibuf);
01128       
01129       ibuf->rsem=malloc(sizeof(sem_t));
01130       
01131       bc->astbuf=ibuf;
01132 
01133       if (sem_init(ibuf->rsem,1,0)<0)
01134          sem_init(ibuf->rsem,0,0);
01135       
01136    }
01137    
01138    
01139    
01140    
01141    {
01142       stack_info_t *stinf;
01143       ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01144       if (ret < 0) {
01145          cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01146          return -1;
01147       }
01148     
01149       stinf = (stack_info_t *)&frm->data.p;
01150     
01151       cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01152    }
01153   
01154    return 0;
01155 }

static void init_flip_bits ( void   )  [static]

Definition at line 280 of file isdn_lib.c.

References flip_table.

Referenced by misdn_lib_init().

00281 {
00282    int i,k;
00283    
00284    for (i = 0 ; i < 256 ; i++) {
00285       unsigned char sample = 0 ;
00286       for (k = 0; k<8; k++) {
00287          if ( i & 1 << k ) sample |= 0x80 >>  k;
00288       }
00289       flip_table[i] = sample;
00290    }
00291 }

void isdn_lib_stop_dtmf ( struct misdn_bchannel bc  ) 

Definition at line 4141 of file isdn_lib.c.

References misdn_stack::bc, and manager_ph_control().

Referenced by process_ast_dsp().

04142 {
04143    manager_ph_control(bc, DTMF_TONE_STOP, 0);
04144 }

void isdn_lib_update_ec ( struct misdn_bchannel bc  ) 

Definition at line 4129 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::ec_enable, manager_ec_disable(), and manager_ec_enable().

Referenced by process_ast_dsp().

04130 {
04131 #ifdef MISDN_1_2
04132    if (*bc->pipeline)
04133 #else
04134    if (bc->ec_enable)
04135 #endif
04136       manager_ec_enable(bc);
04137    else
04138       manager_ec_disable(bc);
04139 }

void isdn_lib_update_rxgain ( struct misdn_bchannel bc  ) 

Definition at line 4119 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::rxgain.

Referenced by process_ast_dsp().

04120 {
04121    manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04122 }

void isdn_lib_update_txgain ( struct misdn_bchannel bc  ) 

Definition at line 4124 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::txgain.

Referenced by process_ast_dsp().

04125 {
04126    manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04127 }

void manager_bchannel_activate ( struct misdn_bchannel bc  ) 

Definition at line 3999 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_stack::bc, cb_log, get_stack_by_bc(), misdn_stack::midev, misdn_bchannel::port, and misdn_stack::port.

Referenced by setup_bc().

04000 {
04001    char buf[128];
04002 
04003    struct misdn_stack *stack=get_stack_by_bc(bc);
04004 
04005    if (!stack) {
04006       cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04007       return ;
04008    }
04009    
04010    /* we must activate if we are deactivated */
04011    clear_ibuffer(bc->astbuf);
04012    
04013    cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04014    
04015    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN,  DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04016 
04017    return ;
04018 }

void manager_bchannel_cleanup ( struct misdn_bchannel bc  ) 

void manager_bchannel_deactivate ( struct misdn_bchannel bc  ) 

Definition at line 4021 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_stack::bc, misdn_bchannel::bc_state, bc_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_RELEASE, cb_log, misdn_bchannel::conf_id, misdn_bchannel::generate_tone, get_stack_by_bc(), misdn_stack::midev, misdn_split_conf(), misdn_bchannel::port, and misdn_stack::port.

Referenced by clean_up_bc().

04022 {
04023 
04024    struct misdn_stack *stack=get_stack_by_bc(bc);
04025 
04026 
04027    switch (bc->bc_state) {
04028       case BCHAN_ACTIVATED:
04029          break;
04030       case BCHAN_BRIDGED:
04031          misdn_split_conf(bc,bc->conf_id);
04032          break;
04033       default:
04034          cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04035          return ;
04036 
04037    }
04038    
04039    cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04040    
04041    bc->generate_tone=0;
04042    
04043    iframe_t dact;
04044    dact.prim = DL_RELEASE | REQUEST;
04045    dact.addr = bc->addr | FLG_MSG_DOWN;
04046    dact.dinfo = 0;
04047    dact.len = 0;
04048    char buf[128]; 
04049    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04050 
04051    clear_ibuffer(bc->astbuf);
04052    
04053    bc_state_change(bc,BCHAN_RELEASE);
04054   
04055    return;
04056 }

void manager_bchannel_setup ( struct misdn_bchannel bc  ) 

void manager_clean_bc ( struct misdn_bchannel bc  ) 

Definition at line 4168 of file isdn_lib.c.

References misdn_stack::bc, cb_event, misdn_bchannel::channel, empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, and get_stack_by_bc().

Referenced by misdn_lib_pid_restart().

04169 {
04170    struct misdn_stack *stack=get_stack_by_bc(bc);
04171    
04172    if (bc->channel>0)
04173       empty_chan_in_stack(stack, bc->channel);
04174    empty_bc(bc);
04175   
04176    cb_event(EVENT_CLEANUP, bc, NULL); 
04177 }

void manager_ec_disable ( struct misdn_bchannel bc  ) 

Definition at line 4361 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, cb_log, misdn_bchannel::ec_enable, ECHOCAN_OFF, get_stack_by_bc(), manager_ph_control(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by clean_up_bc(), isdn_lib_update_ec(), and misdn_toggle_echocancel().

04362 {
04363    struct misdn_stack *stack=get_stack_by_bc(bc);
04364    
04365    cb_log(4, stack?stack->port:0," --> ec_disable\n");
04366 
04367    if (!misdn_cap_is_speech(bc->capability)) {
04368       cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04369       return;
04370    }
04371 
04372 #ifdef MISDN_1_2
04373    manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04374 #else
04375    if ( ! bc->ec_enable) {
04376       cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04377       manager_ph_control(bc,  ECHOCAN_OFF, 0);
04378    }
04379 #endif
04380 }

void manager_ec_enable ( struct misdn_bchannel bc  ) 

Definition at line 4312 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, cb_log, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, ECHOCAN_ON, get_stack_by_bc(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by isdn_lib_update_ec(), misdn_lib_send_event(), and misdn_toggle_echocancel().

04313 {
04314    struct misdn_stack *stack=get_stack_by_bc(bc);
04315    
04316    cb_log(4, stack?stack->port:0,"ec_enable\n");
04317 
04318    if (!misdn_cap_is_speech(bc->capability)) {
04319       cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04320    } else {
04321 
04322 #ifdef MISDN_1_2
04323    if (*bc->pipeline) {
04324       cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04325       manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04326    }
04327 #else
04328    int ec_arr[2];
04329 
04330    if (bc->ec_enable) {
04331       cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04332    
04333       switch (bc->ec_deftaps) {
04334       case 4:
04335       case 8:
04336       case 16:
04337       case 32:
04338       case 64:
04339       case 128:
04340       case 256:
04341       case 512:
04342       case 1024:
04343          cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04344          break;
04345       default:
04346          cb_log(0, stack->port, "Taps should be power of 2\n");
04347          bc->ec_deftaps=128;
04348       }
04349    
04350       ec_arr[0]=bc->ec_deftaps;
04351       ec_arr[1]=0;
04352       
04353       manager_ph_control_block(bc,  ECHOCAN_ON,  ec_arr, sizeof(ec_arr));
04354    }
04355 #endif
04356    }
04357 }

static void manager_event_handler ( void *  arg  )  [static]

Definition at line 3723 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clean_up_bc(), misdn_stack::downqueue, find_bc_by_l3id(), find_stack_by_port(), glob_mgr, handle_frm(), handle_frm_nt(), misdn_lib::midev, misdn_lib::new_msg, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, misdn_stack::port, misdn_bchannel::port, send_msg(), misdn_lib::stack_list, and misdn_stack::upqueue.

03724 {
03725    sem_post(&handler_started); 
03726    while (1) {
03727       struct misdn_stack *stack;
03728       msg_t *msg;
03729     
03730       /** wait for events **/
03731       sem_wait(&glob_mgr->new_msg);
03732     
03733       for (msg=msg_dequeue(&glob_mgr->activatequeue);
03734            msg;
03735            msg=msg_dequeue(&glob_mgr->activatequeue)
03736          )
03737       {
03738    
03739          iframe_t *frm =  (iframe_t*) msg->data ;
03740 
03741          switch ( frm->prim) {
03742 
03743          case MGR_CLEARSTACK | REQUEST:
03744             /*a queued bchannel cleanup*/
03745             {
03746                struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03747                if (!stack) {
03748                   cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03749                   free_msg(msg);
03750                   break;
03751                }
03752                
03753                struct misdn_bchannel *bc=find_bc_by_l3id(stack,frm->addr);
03754                if (bc) {
03755                   cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03756                   clean_up_bc(bc);
03757                } else {
03758                   cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03759                }
03760             }
03761             free_msg(msg); 
03762             break;
03763          case MGR_SETSTACK | REQUEST :
03764             break;
03765          default:
03766             mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03767             free_msg(msg);
03768          }
03769       }
03770 
03771       for (stack=glob_mgr->stack_list;
03772            stack;
03773            stack=stack->next ) { 
03774 
03775          while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03776             /** Handle L2/3 Signalling after bchans **/ 
03777             if (!handle_frm_nt(msg)) {
03778                /* Maybe it's TE */
03779                if (!handle_frm(msg)) {
03780                   /* wow none! */
03781                   cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03782                }
03783             }
03784          }
03785 
03786          /* Here we should check if we really want to 
03787             send all the messages we've queued, lets 
03788             assume we've queued a Disconnect, but 
03789             received it already from the other side!*/
03790            
03791          while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03792             if (stack->nt ) {
03793                if (stack->nst.manager_l3(&stack->nst, msg))
03794                   cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03795      
03796             } else {
03797                iframe_t *frm = (iframe_t *)msg->data;
03798                struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03799                if (bc) send_msg(glob_mgr->midev, bc, msg);
03800                else  {
03801                   if (frm->dinfo == MISDN_ID_GLOBAL) {
03802                      struct misdn_bchannel dummybc;
03803                      memset (&dummybc,0,sizeof(dummybc));
03804                      dummybc.port=stack->port;
03805                      dummybc.l3_id=MISDN_ID_GLOBAL;
03806                      dummybc.nt=stack->nt;
03807                      send_msg(glob_mgr->midev, &dummybc, msg);
03808                   }
03809                }
03810             }
03811          }
03812       }
03813    }
03814 }

struct misdn_bchannel * manager_find_bc_by_pid ( int  pid  ) 

Definition at line 3041 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, glob_mgr, misdn_stack::next, misdn_bchannel::pid, and misdn_lib::stack_list.

Referenced by misdn_lib_pid_restart().

03042 {
03043    struct misdn_stack *stack;
03044    int i;
03045   
03046    for (stack=glob_mgr->stack_list;
03047         stack;
03048         stack=stack->next) {
03049       for (i=0; i<=stack->b_num; i++)
03050          if (stack->bc[i].pid == pid) return &stack->bc[i];
03051    }
03052   
03053    return NULL;
03054 }

struct misdn_bchannel * manager_find_bc_holded ( struct misdn_bchannel bc  ) 

Definition at line 3056 of file isdn_lib.c.

References misdn_stack::bc, find_bc_holded(), and get_stack_by_bc().

03057 {
03058    struct misdn_stack *stack=get_stack_by_bc(bc);
03059    return find_bc_holded(stack);
03060 }

char* manager_isdn_get_info ( enum event_e  event  ) 

Definition at line 3994 of file isdn_lib.c.

References isdn_get_info(), and msgs_g.

Referenced by cb_events().

03995 {
03996    return isdn_get_info(msgs_g , event, 0);
03997 }

int manager_isdn_handler ( iframe_t *  frm,
msg_t *  msg 
)

Definition at line 3538 of file isdn_lib.c.

References cb_log, handle_bchan(), handle_err(), handle_frm(), handle_frm_nt(), handle_l1(), handle_l2(), handle_mgmt(), handle_timers(), LOG_NOTICE, and misdn_stack::port.

Referenced by misdn_lib_isdn_event_catcher().

03539 {  
03540 
03541    if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03542       cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03543    }
03544 
03545    if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03546       if (handle_bchan(msg)) {
03547          return 0 ;
03548       }
03549    }  
03550 
03551 #ifdef RECV_FRM_SYSLOG_DEBUG
03552    syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03553 #endif
03554 
03555    if (handle_timers(msg)) 
03556       return 0 ;
03557 
03558    
03559    if (handle_mgmt(msg)) 
03560       return 0 ; 
03561    
03562    if (handle_l2(msg)) 
03563       return 0 ;
03564 
03565    /* Its important to handle l1 AFTER l2  */
03566    if (handle_l1(msg)) 
03567       return 0 ;
03568    
03569    if (handle_frm_nt(msg)) {
03570       return 0;
03571    }
03572 
03573    if (handle_frm(msg)) {
03574       return 0;
03575    }
03576 
03577    if (handle_err(msg)) {
03578       return 0 ;
03579    }
03580 
03581    cb_log(0, 0, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);      
03582    free_msg(msg);
03583    
03584 
03585    return 0;
03586 }

void manager_ph_control ( struct misdn_bchannel bc,
int  c1,
int  c2 
)

Definition at line 4098 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, cb_log, glob_mgr, misdn_lib::midev, and misdn_bchannel::port.

Referenced by isdn_lib_stop_dtmf(), isdn_lib_update_rxgain(), isdn_lib_update_txgain(), manager_ec_disable(), misdn_join_conf(), misdn_lib_echo(), misdn_lib_send_event(), misdn_lib_send_tone(), and misdn_split_conf().

04099 {
04100    unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04101    iframe_t *ctrl = (iframe_t *)buffer; /* preload data */
04102    unsigned int *d = (unsigned int*)&ctrl->data.p;
04103    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04104    
04105    cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04106    
04107    ctrl->prim = PH_CONTROL | REQUEST;
04108    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04109    ctrl->dinfo = 0;
04110    ctrl->len = sizeof(unsigned int)*2;
04111    *d++ = c1;
04112    *d++ = c2;
04113    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04114 }

void manager_ph_control_block ( struct misdn_bchannel bc,
int  c1,
void *  c2,
int  c2_len 
)

Definition at line 4149 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, glob_mgr, and misdn_lib::midev.

Referenced by handle_event(), manager_ec_disable(), manager_ec_enable(), and misdn_lib_send_event().

04150 {
04151    unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04152    iframe_t *ctrl = (iframe_t *)buffer;
04153    unsigned int *d = (unsigned int *)&ctrl->data.p;
04154    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04155    
04156    ctrl->prim = PH_CONTROL | REQUEST;
04157    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04158    ctrl->dinfo = 0;
04159    ctrl->len = sizeof(unsigned int) + c2_len;
04160    *d++ = c1;
04161    memcpy(d, c2, c2_len);
04162    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04163 }

int misdn_cap_is_speech ( int  cap  ) 

Poor mans version

Definition at line 396 of file isdn_lib.c.

References INFO_CAPABILITY_DIGITAL_RESTRICTED, and INFO_CAPABILITY_DIGITAL_UNRESTRICTED.

Referenced by handle_bchan(), handle_event(), handle_event_nt(), manager_ec_disable(), manager_ec_enable(), misdn_lib_send_event(), and misdn_lib_tx2misdn_frm().

00398 {
00399    if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00400         (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00401    return 0;
00402 }

int misdn_inband_avail ( struct misdn_bchannel bc  ) 

Definition at line 404 of file isdn_lib.c.

References misdn_bchannel::early_bconnect, INFO_PI_CALL_NOT_E2E_ISDN, INFO_PI_CALLED_NOT_ISDN, INFO_PI_INBAND_AVAILABLE, and misdn_bchannel::progress_indicator.

Referenced by misdn_indication().

00405 {
00406 
00407    /*if ! early_bconnect we have never inband available*/
00408    if ( ! bc->early_bconnect ) return 0;
00409    
00410    switch (bc->progress_indicator) {
00411    case INFO_PI_INBAND_AVAILABLE:
00412    case INFO_PI_CALL_NOT_E2E_ISDN:
00413    case INFO_PI_CALLED_NOT_ISDN:
00414       return 1;
00415    default:
00416       return 0;
00417    }
00418    return 0;
00419 }

void misdn_join_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4388 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, bc_state_change(), BCHAN_BRIDGED, cb_log, len, manager_ph_control(), misdn_lib_tx2misdn_frm(), and misdn_bchannel::port.

Referenced by bc_state_change(), and misdn_lib_bridge().

04389 {
04390    bc_state_change(bc,BCHAN_BRIDGED);
04391    manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04392    manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04393 
04394    cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04395 
04396    char data[16];
04397    int len=15;
04398 
04399    memset(data,0,15);
04400    
04401    misdn_lib_tx2misdn_frm(bc, data, len);
04402 
04403 }

void misdn_lib_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4415 of file isdn_lib.c.

References bc_next_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, cb_log, misdn_bchannel::conf_id, misdn_join_conf(), misdn_bchannel::pid, and misdn_bchannel::port.

Referenced by misdn_bridge().

04415                                                                                 {
04416    int conf_id=bc1->pid +1;
04417 
04418    cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04419    
04420    struct misdn_bchannel *bc_list[]={
04421       bc1,bc2,NULL
04422    };
04423    struct misdn_bchannel **bc;
04424       
04425    for (bc=bc_list; *bc;  bc++) { 
04426       (*bc)->conf_id=conf_id;
04427       cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04428    
04429       switch((*bc)->bc_state) {
04430          case BCHAN_ACTIVATED:
04431             misdn_join_conf(*bc,conf_id);
04432             break;
04433          default:
04434             bc_next_state_change(*bc,BCHAN_BRIDGED);
04435             break;
04436       }
04437    }
04438 }

void misdn_lib_destroy ( void   ) 

Definition at line 3961 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_lib::event_handler_thread, misdn_lib::event_thread, glob_mgr, global_state, misdn_stack::midev, misdn_lib::midev, MISDN_INITIALIZED, misdn_stack::next, misdn_stack::port, stack_destroy(), misdn_lib::stack_list, and te_lib_destroy().

Referenced by unload_module().

03962 {
03963    struct misdn_stack *help;
03964    int i;
03965   
03966    for ( help=glob_mgr->stack_list; help; help=help->next ) {
03967       for(i=0;i<=help->b_num; i++) {
03968          char buf[1024];
03969          mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03970          help->bc[i].addr = 0;
03971       }
03972       cb_log (1, help->port, "Destroying this port.\n");
03973       stack_destroy(help);
03974    }
03975    
03976    if (global_state == MISDN_INITIALIZED) {
03977       cb_log(4, 0, "Killing Handler Thread\n");
03978       if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
03979          cb_log(4, 0, "Joining Handler Thread\n");
03980          pthread_join(glob_mgr->event_handler_thread, NULL);
03981       }
03982      
03983       cb_log(4, 0, "Killing Main Thread\n");
03984       if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
03985          cb_log(4, 0, "Joining Main Thread\n");
03986          pthread_join(glob_mgr->event_thread, NULL);
03987       }
03988    }
03989   
03990    cb_log(1, 0, "Closing mISDN device\n");
03991    te_lib_destroy(glob_mgr->midev);
03992 }

void misdn_lib_echo ( struct misdn_bchannel bc,
int  onoff 
)

Definition at line 4460 of file isdn_lib.c.

References cb_log, manager_ph_control(), and misdn_bchannel::port.

04461 {
04462    cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04463    manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04464 }

struct misdn_bchannel* misdn_lib_get_free_bc ( int  port,
int  channel,
int  inout,
int  dec 
)

Definition at line 3084 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_stack::blocked, cb_log, misdn_bchannel::channel, misdn_bchannel::cw, misdn_bchannel::dec, glob_mgr, misdn_bchannel::in_use, MAX_BCHANS, misdn_stack::next, misdn_stack::port, prepare_bc(), misdn_stack::pri, misdn_stack::ptp, and misdn_lib::stack_list.

Referenced by handle_cr(), handle_event_nt(), and misdn_request().

03085 {
03086    struct misdn_stack *stack;
03087    int i;
03088    
03089    if (channel < 0 || channel > MAX_BCHANS) {
03090       cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03091       return NULL;
03092    }
03093 
03094    for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03095     
03096       if (stack->port == port) {
03097          if (stack->blocked) {
03098             cb_log(0,port,"Port is blocked\n");
03099             return NULL;
03100          }
03101       
03102          if (channel > 0) {
03103             if (channel <= stack->b_num) {
03104                for (i = 0; i < stack->b_num; i++) {
03105                   if (stack->bc[i].in_use && stack->bc[i].channel == channel) {
03106                      cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03107                      return NULL;
03108                   }
03109                }
03110             } else {
03111                cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03112                return NULL;
03113             }
03114          }
03115 
03116          int maxnum=inout&&!stack->pri&&!stack->ptp?stack->b_num+1:stack->b_num;
03117 
03118          if (dec) {
03119             for (i = maxnum-1; i>=0; i--) {
03120                if (!stack->bc[i].in_use) {
03121                   /* 3. channel on bri means CW*/
03122                   if (!stack->pri && i==stack->b_num)
03123                      stack->bc[i].cw=1;
03124                      
03125                   prepare_bc(&stack->bc[i], channel);
03126                   stack->bc[i].dec=1;
03127                   return &stack->bc[i];
03128                }
03129             }
03130          } else {
03131             for (i = 0; i <maxnum; i++) {
03132                if (!stack->bc[i].in_use) {
03133                   /* 3. channel on bri means CW*/
03134                   if (!stack->pri && i==stack->b_num)
03135                      stack->bc[i].cw=1;
03136 
03137                   prepare_bc(&stack->bc[i], channel);
03138                   return &stack->bc[i];
03139                }
03140             }
03141          }
03142 
03143          cb_log(1,port,"There is no free channel on port (%d)\n",port);
03144          return NULL;
03145       }
03146    }
03147 
03148    cb_log(0,port,"Port is not configured (%d)\n",port);
03149    return NULL;
03150 }

static int misdn_lib_get_l1_down ( struct misdn_stack stack  )  [static]

Definition at line 731 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by handle_err(), and misdn_lib_get_port_down().

00732 {
00733    /* Pull Up L1 */ 
00734    iframe_t act;
00735    act.prim = PH_DEACTIVATE | REQUEST; 
00736    act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00737 
00738    
00739    act.dinfo = 0;
00740    act.len = 0;
00741 
00742    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00743 
00744 
00745 }

static int misdn_lib_get_l1_up ( struct misdn_stack stack  )  [static]

Definition at line 774 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_event().

00775 {
00776    /* Pull Up L1 */ 
00777    iframe_t act;
00778    act.prim = PH_ACTIVATE | REQUEST; 
00779    act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00780 
00781    
00782    act.dinfo = 0;
00783    act.len = 0;
00784 
00785    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00786 
00787 }

static int misdn_lib_get_l2_down ( struct misdn_stack stack  )  [static]

Definition at line 748 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_err(), and misdn_lib_get_port_down().

00749 {
00750    
00751    if (stack->ptp && (stack->nt) ) {
00752       msg_t *dmsg;
00753       /* L2 */
00754       dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00755       
00756       if (stack->nst.manager_l3(&stack->nst, dmsg))
00757          free_msg(dmsg);
00758       
00759    } else {
00760       iframe_t act;
00761       
00762       act.prim = DL_RELEASE| REQUEST;
00763       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00764       
00765       act.dinfo = 0;
00766       act.len = 0;
00767       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00768    }
00769    
00770    return 0;
00771 }

int misdn_lib_get_l2_up ( struct misdn_stack stack  ) 

Definition at line 789 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), handle_l1(), misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), and misdn_lib_reinit_nt_stack().

00790 {
00791    
00792    if (stack->ptp && (stack->nt) ) {
00793       msg_t *dmsg;
00794       /* L2 */
00795       dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00796       
00797       if (stack->nst.manager_l3(&stack->nst, dmsg))
00798          free_msg(dmsg);
00799       
00800    } else {
00801       iframe_t act;
00802       
00803       act.prim = DL_ESTABLISH | REQUEST;
00804       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00805       
00806       act.dinfo = 0;
00807       act.len = 0;
00808       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00809    }
00810    
00811    return 0;
00812 }

int misdn_lib_get_maxchans ( int  port  ) 

Definition at line 89 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_request().

00090 {
00091    struct misdn_stack *stack=get_misdn_stack();
00092    for ( ; stack; stack=stack->next) {
00093       if (stack->port == port) {
00094          if (stack->pri) 
00095             return 30;
00096          else
00097             return 2;
00098       }
00099    }
00100    return -1;
00101 }

int misdn_lib_get_port_down ( int  port  ) 

Definition at line 1682 of file isdn_lib.c.

References glob_mgr, misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_port_down().

01683 { /* Pull Down L1 */ 
01684    struct misdn_stack *stack;
01685    for (stack=glob_mgr->stack_list;
01686         stack;
01687         stack=stack->next) {
01688       if (stack->port == port) {
01689             if (stack->l2link)
01690                misdn_lib_get_l2_down(stack);
01691             misdn_lib_get_l1_down(stack);
01692          return 0;
01693       }
01694    }
01695    return 0;
01696 }

int misdn_lib_get_port_info ( int  port  ) 

Definition at line 3591 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, find_stack_by_port(), glob_mgr, misdn_lib::new_msg, and misdn_stack::upper_id.

03592 {
03593    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03594    iframe_t *frm;
03595    struct misdn_stack *stack=find_stack_by_port(port);
03596    if (!msg) {
03597       cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03598       return -1;
03599    }
03600    frm=(iframe_t*)msg->data;
03601    if (!stack ) {
03602       cb_log(0, port, "There is no Stack for this port.\n");
03603       return -1;
03604    }
03605    /* activate bchannel */
03606    frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03607 
03608    frm->addr = stack->upper_id| FLG_MSG_DOWN;
03609 
03610    frm->dinfo = 0;
03611    frm->len = 0;
03612   
03613    msg_queue_tail(&glob_mgr->activatequeue, msg);
03614    sem_post(&glob_mgr->new_msg);
03615 
03616   
03617    return 0; 
03618 }

int misdn_lib_get_port_up ( int  port  ) 

Definition at line 1660 of file isdn_lib.c.

References glob_mgr, misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_check_l2l1(), and misdn_port_up().

01661 { /* Pull Up L1 */ 
01662    struct misdn_stack *stack;
01663    
01664    for (stack=glob_mgr->stack_list;
01665         stack;
01666         stack=stack->next) {
01667       
01668       if (stack->port == port) {
01669 
01670          if (!stack->l1link)
01671             misdn_lib_get_l1_up(stack);
01672          if (!stack->l2link)
01673             misdn_lib_get_l2_up(stack);
01674          
01675          return 0;
01676       }
01677    }
01678    return 0;
01679 }

static int misdn_lib_get_short_status ( struct misdn_stack stack  )  [static]

Definition at line 829 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by misdn_lib_isdn_l1watcher().

00830 {
00831    iframe_t act;
00832    
00833    
00834    act.prim = MGR_SHORTSTATUS | REQUEST; 
00835    
00836    act.addr = (stack->upper_id | MSG_BROADCAST)  ;
00837 
00838    act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00839    
00840    act.len = 0;
00841    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00842 }

int misdn_lib_init ( char *  portlist,
struct misdn_lib_iface iface,
void *  user_data 
)

Definition at line 3853 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::b_num, misdn_stack::bc, calloc, cb_event, misdn_lib_iface::cb_event, cb_jb_empty, misdn_lib_iface::cb_jb_empty, cb_log, misdn_lib_iface::cb_log, flip_buf_bits(), glob_mgr, init_bc(), init_flip_bits(), misdn_stack::mgr, misdn_lib::midev, misdn_stack::midev, misdn_lib_nt_debug_init(), misdn_lib::new_msg, misdn_stack::next, misdn_stack::port, ptp, stack_init(), te_lib_init(), tone_425_flip, and tone_silence_flip.

Referenced by load_module().

03854 {
03855    struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
03856    char *tok, *tokb;
03857    char plist[1024];
03858    int midev;
03859    int port_count=0;
03860  
03861    cb_log = iface->cb_log;
03862    cb_event = iface->cb_event;
03863    cb_jb_empty = iface->cb_jb_empty;
03864    
03865    glob_mgr = mgr;
03866   
03867    msg_init();
03868 
03869    misdn_lib_nt_debug_init(0,NULL);
03870    
03871    if (!portlist || (*portlist == 0) ) return 1;
03872    
03873    init_flip_bits();
03874    
03875    {
03876       strncpy(plist,portlist, 1024);
03877       plist[1023] = 0;
03878    }
03879   
03880    memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
03881    flip_buf_bits(tone_425_flip,TONE_425_SIZE);
03882 
03883    memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
03884    flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
03885   
03886    midev=te_lib_init();
03887    mgr->midev=midev;
03888 
03889    port_count=mISDN_get_stack_count(midev);
03890   
03891    msg_queue_init(&mgr->activatequeue);
03892   
03893    if (sem_init(&mgr->new_msg, 1, 0)<0)
03894       sem_init(&mgr->new_msg, 0, 0);
03895  
03896    for (tok=strtok_r(plist," ,",&tokb );
03897         tok; 
03898         tok=strtok_r(NULL," ,",&tokb)) {
03899       int port = atoi(tok);
03900       struct misdn_stack *stack;
03901       static int first=1;
03902       int ptp=0;
03903     
03904       if (strstr(tok, "ptp"))
03905          ptp=1;
03906 
03907       if (port > port_count) {
03908          cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
03909          exit(1);
03910       }
03911       stack=stack_init(midev, port, ptp);
03912     
03913       if (!stack) {
03914          perror("init_stack");
03915          exit(1);
03916       }
03917     
03918       {
03919          int i;
03920          for(i=0;i<=stack->b_num; i++) {
03921             int r;
03922             if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
03923                cb_log(0, port, "Got Err @ init_bc :%d\n",r);
03924                exit(1);
03925             }
03926          }
03927       }
03928 
03929       if (stack && first) {
03930          mgr->stack_list=stack;
03931          first=0;
03932          continue;
03933       }
03934     
03935       if (stack) {
03936          struct misdn_stack * help;
03937          for ( help=mgr->stack_list; help; help=help->next ) 
03938             if (help->next == NULL) break;
03939          help->next=stack;
03940       }
03941     
03942    }
03943   
03944    if (sem_init(&handler_started, 1, 0)<0)
03945       sem_init(&handler_started, 0, 0);
03946   
03947    cb_log(8, 0, "Starting Event Handler\n");
03948    pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
03949   
03950    sem_wait(&handler_started) ;
03951    cb_log(8, 0, "Starting Event Catcher\n");
03952    pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
03953   
03954    cb_log(8, 0, "Event Catcher started\n");
03955 
03956    global_state= MISDN_INITIALIZED; 
03957   
03958    return (mgr == NULL);
03959 }

int misdn_lib_is_port_blocked ( int  port  ) 

Definition at line 69 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

00070 {  
00071    struct misdn_stack *stack=get_misdn_stack();
00072    for ( ; stack; stack=stack->next) {
00073       if (stack->port == port) {
00074          return stack->blocked;
00075       }
00076    }
00077    return -1;
00078 }

int misdn_lib_is_ptp ( int  port  ) 

Definition at line 80 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::ptp.

Referenced by do_immediate_setup().

00081 {
00082    struct misdn_stack *stack=get_misdn_stack();
00083    for ( ; stack; stack=stack->next) {
00084       if (stack->port == port) return stack->ptp;
00085    }
00086    return -1;
00087 }

static void misdn_lib_isdn_event_catcher ( void *  arg  )  [static]

Definition at line 2947 of file isdn_lib.c.

References cb_log, fetch_msg(), manager_isdn_handler(), and misdn_lib::midev.

02948 {
02949    struct misdn_lib *mgr = arg;
02950    int zero_frm=0 , fff_frm=0 ;
02951    int midev= mgr->midev;
02952    int port=0;
02953    
02954    while (1) {
02955       msg_t *msg = fetch_msg(midev); 
02956       iframe_t *frm;
02957       
02958       
02959       if (!msg) continue;
02960       
02961       frm = (iframe_t*) msg->data;
02962       
02963       /** When we make a call from NT2Ast we get this frames **/
02964       if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
02965          zero_frm++; 
02966          free_msg(msg);
02967          continue;
02968       } else {
02969          if (zero_frm) {
02970             cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
02971             zero_frm = 0 ;
02972          }
02973       }
02974       
02975       /** I get this sometimes after setup_bc **/
02976       if (frm->len == 0 &&  frm->dinfo == 0 && frm->prim == 0xffffffff ) {
02977          fff_frm++; 
02978          free_msg(msg);
02979          continue;
02980       } else {
02981          if (fff_frm) {
02982             cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
02983             fff_frm = 0 ;
02984          }
02985       }
02986       
02987       manager_isdn_handler(frm, msg);
02988    }
02989 
02990 }

void misdn_lib_isdn_l1watcher ( int  port  ) 

Definition at line 2929 of file isdn_lib.c.

References cb_log, glob_mgr, misdn_stack::l1link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_lib_get_short_status(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_l1_task().

02930 {
02931    struct misdn_stack *stack;
02932 
02933    for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02934       ;
02935 
02936    if (stack) {
02937       cb_log(4, port, "Checking L1 State\n");   
02938       if (!stack->l1link) {
02939          cb_log(4, port, "L1 State Down, trying to get it up again\n"); 
02940          misdn_lib_get_short_status(stack);
02941          misdn_lib_get_l1_up(stack); 
02942          misdn_lib_get_l2_up(stack); 
02943       }
02944    }
02945 }

void misdn_lib_log_ies ( struct misdn_bchannel bc  ) 

Definition at line 3171 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, bearer2str(), misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, misdn_bchannel::cpnnumplan, misdn_bchannel::dnumplan, fac2str(), misdn_bchannel::fac_in, misdn_bchannel::fac_out, get_stack_by_bc(), misdn_bchannel::holded, misdn_bchannel::info_dad, misdn_bchannel::keypad, misdn_bchannel::l3_id, misdn_bchannel::layer_id, misdn_bchannel::mode, misdn_stack::nt, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::pres, misdn_bchannel::progress_indicator, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::rnumplan, misdn_bchannel::screen, misdn_bchannel::sending_complete, misdn_bchannel::stack_holder, misdn_bchannel::urate, and misdn_bchannel::user1.

Referenced by cb_events(), and misdn_lib_send_event().

03172 {
03173    if (!bc) return;
03174 
03175    struct misdn_stack *stack=get_stack_by_bc(bc);
03176 
03177    if (!stack) return;
03178 
03179    cb_log(2, stack->port, " --> channel:%d mode:%s cause:%d ocause:%d rad:%s cad:%s\n", bc->channel, stack->nt?"NT":"TE", bc->cause, bc->out_cause, bc->rad, bc->cad);
03180    
03181    cb_log(2, stack->port,
03182           " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03183           bc->info_dad,
03184           bc->onumplan>=0?'0'+bc->onumplan:' ',
03185           bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03186           bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03187           bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03188       );
03189    
03190    cb_log(3, stack->port, " --> caps:%s pi:%x keypad:%s sending_complete:%d\n", bearer2str(bc->capability),bc->progress_indicator, bc->keypad, bc->sending_complete);
03191    cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03192          bc->screen, bc->pres);
03193    
03194    cb_log(4, stack->port, " --> addr:%x l3id:%x b_stid:%x layer_id:%x\n", bc->addr, bc->l3_id, bc->b_stid, bc->layer_id);
03195    
03196    cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03197 
03198    cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03199    
03200    cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03201 }

int misdn_lib_maxports_get ( void   ) 

Definition at line 3817 of file isdn_lib.c.

Referenced by load_module().

03817                              { /** BE AWARE WE HAVE NO CB_LOG HERE! **/
03818    
03819    int i = mISDN_open();
03820    int max=0;
03821    
03822    if (i<0)
03823       return -1;
03824 
03825    max = mISDN_get_stack_count(i);
03826    
03827    mISDN_close(i);
03828    
03829    return max;
03830 }

void misdn_lib_nt_debug_init ( int  flags,
char *  file 
)

Definition at line 3833 of file isdn_lib.c.

References f.

Referenced by load_module(), and misdn_lib_init().

03834 {
03835    int static init=0;
03836    char *f;
03837    
03838    if (!flags) 
03839       f=NULL;
03840    else
03841       f=file;
03842 
03843    if (!init) {
03844       debug_init( flags , f, f, f);
03845       init=1;
03846    } else {
03847       debug_close();
03848       debug_init( flags , f, f, f);
03849    }
03850 }

int misdn_lib_pid_restart ( int  pid  ) 

Definition at line 3646 of file isdn_lib.c.

References manager_clean_bc(), and manager_find_bc_by_pid().

Referenced by misdn_restart_pid().

03647 {
03648    struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03649 
03650    if (bc) {
03651       manager_clean_bc(bc);
03652    }
03653    return 0;
03654 }

int misdn_lib_port_block ( int  port  ) 

Definition at line 43 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by cb_events(), and misdn_port_block().

00044 {
00045    struct misdn_stack *stack=get_misdn_stack();
00046    for ( ; stack; stack=stack->next) {
00047       if (stack->port == port) {
00048          stack->blocked=1;
00049          return 0;
00050       }
00051    }
00052    return -1;
00053 
00054 }

int misdn_lib_port_is_pri ( int  port  ) 

Definition at line 30 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_new(), and update_name().

00031 {
00032    struct misdn_stack *stack=get_misdn_stack();
00033    for ( ; stack; stack=stack->next) {
00034       if (stack->port == port) {
00035          return stack->pri;
00036       }
00037    }
00038    
00039    return -1;
00040 }

int misdn_lib_port_restart ( int  port  ) 

Definition at line 3681 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clear_l3(), find_stack_by_port(), glob_mgr, misdn_lib_reinit_nt_stack(), misdn_lib::new_msg, misdn_stack::nt, misdn_stack::port, and misdn_stack::upper_id.

Referenced by misdn_restart_port().

03682 {
03683    struct misdn_stack *stack=find_stack_by_port(port);
03684  
03685    cb_log(0, port, "Restarting this port.\n");
03686    if (stack) {
03687       cb_log(0, port, "Stack:%p\n",stack);
03688          
03689       clear_l3(stack);
03690       {
03691          msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03692          iframe_t *frm;
03693 
03694          if (!msg) {
03695             cb_log(0, port, "port_restart: alloc_msg failed\n");
03696             return -1;
03697          }
03698          
03699          frm=(iframe_t*)msg->data;
03700          /* we must activate if we are deactivated */
03701          /* activate bchannel */
03702          frm->prim = DL_RELEASE | REQUEST;
03703          frm->addr = stack->upper_id | FLG_MSG_DOWN;
03704 
03705          frm->dinfo = 0;
03706          frm->len = 0;
03707          msg_queue_tail(&glob_mgr->activatequeue, msg);
03708          sem_post(&glob_mgr->new_msg);
03709       }
03710 
03711       if (stack->nt)
03712          misdn_lib_reinit_nt_stack(stack->port);
03713     
03714    }
03715 
03716    return 0;
03717 }

int misdn_lib_port_unblock ( int  port  ) 

Definition at line 56 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by misdn_port_unblock().

00057 {
00058    struct misdn_stack *stack=get_misdn_stack();
00059    for ( ; stack; stack=stack->next) {
00060       if (stack->port == port) {
00061          stack->blocked=0;
00062          return 0;
00063       }
00064    }
00065    return -1;
00066 
00067 }

int misdn_lib_port_up ( int  port,
int  check 
)

Definition at line 1698 of file isdn_lib.c.

References misdn_stack::blocked, cb_log, glob_mgr, misdn_stack::l1link, misdn_stack::l2link, misdn_stack::next, misdn_stack::port, misdn_stack::ptp, and misdn_lib::stack_list.

Referenced by misdn_check_l2l1(), and misdn_request().

01699 {
01700    struct misdn_stack *stack;
01701 
01702 
01703    for (stack=glob_mgr->stack_list;
01704         stack;
01705         stack=stack->next) {
01706       
01707       if (stack->port == port) {
01708 
01709          if (stack->blocked) {
01710             cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01711             return -1;
01712          }
01713 
01714          if (stack->ptp ) {
01715 
01716             if (stack->l1link && stack->l2link) {
01717                return 1;
01718             } else {
01719                cb_log(1,port, "Port Down L2:%d L1:%d\n",
01720                   stack->l2link, stack->l1link);
01721                return 0;
01722             }
01723          } else {
01724             if ( !check || stack->l1link )
01725                return 1;
01726             else {
01727                cb_log(1,port, "Port down PMP\n");
01728                return 0;
01729             }
01730          }
01731       }
01732    }
01733   
01734    return -1;
01735 }

void misdn_lib_reinit_nt_stack ( int  port  ) 

Definition at line 4468 of file isdn_lib.c.

References misdn_stack::blocked, misdn_stack::d_stid, find_stack_by_port(), glob_mgr, handle_event_nt(), misdn_stack::l2link, misdn_stack::lower_id, misdn_stack::mgr, misdn_lib::midev, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::nst, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), and misdn_lib_port_restart().

04469 {
04470    struct misdn_stack *stack=find_stack_by_port(port);
04471    
04472    if (stack) {
04473       stack->l2link=0;
04474       stack->blocked=0;
04475    
04476       cleanup_Isdnl3(&stack->nst);
04477       cleanup_Isdnl2(&stack->nst);
04478 
04479 
04480       memset(&stack->nst, 0, sizeof(net_stack_t));
04481       memset(&stack->mgr, 0, sizeof(manager_t));
04482    
04483       stack->mgr.nst = &stack->nst;
04484       stack->nst.manager = &stack->mgr;
04485     
04486       stack->nst.l3_manager = handle_event_nt;
04487       stack->nst.device = glob_mgr->midev;
04488       stack->nst.cardnr = port;
04489       stack->nst.d_stid = stack->d_stid;
04490    
04491       stack->nst.feature = FEATURE_NET_HOLD;
04492       if (stack->ptp)
04493          stack->nst.feature |= FEATURE_NET_PTP;
04494       if (stack->pri)
04495          stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04496       
04497       stack->nst.l1_id = stack->lower_id;
04498       stack->nst.l2_id = stack->upper_id;
04499       
04500       msg_queue_init(&stack->nst.down_queue);
04501    
04502       Isdnl2Init(&stack->nst);
04503       Isdnl3Init(&stack->nst);
04504 
04505       if (!stack->ptp)
04506          misdn_lib_get_l1_up(stack);
04507       misdn_lib_get_l2_up(stack);
04508    }
04509 }

void misdn_lib_release ( struct misdn_bchannel bc  ) 

Definition at line 1641 of file isdn_lib.c.

References misdn_stack::bc, cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), empty_chan_in_stack(), and get_stack_by_bc().

Referenced by misdn_hangup().

01642 {
01643    struct misdn_stack *stack=get_stack_by_bc(bc);
01644 
01645    if (!stack) {
01646       cb_log(1,0,"misdn_release: No Stack found\n");
01647       return;
01648    }
01649    
01650    if (bc->channel>0) {
01651       empty_chan_in_stack(stack,bc->channel);
01652    }
01653    empty_bc(bc);
01654    clean_up_bc(bc);
01655 }

int misdn_lib_send_event ( struct misdn_bchannel bc,
enum event_e  event 
)

Definition at line 3220 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_BRIDGED, BCHAN_CLEANED, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::conf_id, create_process(), misdn_bchannel::crypt_key, misdn_bchannel::dad, misdn_bchannel::dnumplan, misdn_stack::downqueue, empty_bc(), empty_chan_in_stack(), ENOCHAN, EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_DISCONNECT, EVENT_HOLD_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_RETRIEVE_ACKNOWLEDGE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, misdn_bchannel::evq, find_bc_by_confid(), find_free_chan_in_stack(), get_stack_by_bc(), glob_mgr, misdn_bchannel::holded, isdn_get_info(), isdn_msg_build_event(), misdn_stack::l1link, malloc, manager_ec_enable(), manager_ph_control(), manager_ph_control_block(), misdn_lib::midev, misdn_cap_is_speech(), misdn_lib_get_l1_up(), misdn_lib_log_ies(), misdn_send_lock(), misdn_send_unlock(), misdn_split_conf(), msgs_g, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_lib::new_msg, misdn_bchannel::nodsp, misdn_stack::nt, misdn_bchannel::nt, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_bchannel::pid, misdn_bchannel::port, misdn_stack::port, RETURN, misdn_bchannel::rxgain, set_chan_in_stack(), setup_bc(), stack_holder_add(), misdn_bchannel::txgain, and misdn_stack::upper_id.

Referenced by cb_events(), do_immediate_setup(), handle_event(), handle_event_nt(), handle_frm(), handle_l1(), misdn_answer(), misdn_call(), misdn_digit_end(), misdn_facility_exec(), misdn_hangup(), misdn_indication(), misdn_lib_send_restart(), misdn_overlap_dial_task(), misdn_send_cd(), misdn_send_display(), and misdn_send_text().

03221 {
03222    msg_t *msg; 
03223    int retval=0;
03224   
03225    if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03226    
03227    struct misdn_stack *stack=get_stack_by_bc(bc);
03228    
03229    if (!stack) {
03230       cb_log(0,bc->port,"SENDEVENT: no Stack for event:%s oad:%s dad:%s \n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad);
03231       RETURN(-1,OUT);
03232    }
03233    
03234    misdn_send_lock(bc);
03235 
03236 
03237    cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03238 
03239    if ( stack->nt && !stack->l1link) {
03240       /** Queue Event **/
03241       bc->evq=event;
03242       cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03243       misdn_lib_get_l1_up(stack);
03244       RETURN(0,OUT);
03245    }
03246    
03247    cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s pid:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, bc->pid);
03248    cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03249    misdn_lib_log_ies(bc);
03250    
03251    switch (event) {
03252    case EVENT_SETUP:
03253       if (create_process(glob_mgr->midev, bc)<0) {
03254          cb_log(0,  stack->port, " No free channel at the moment @ send_event\n");
03255 
03256          RETURN(-ENOCHAN,OUT);
03257       }
03258 #if 0
03259    if (stack->nt) {
03260       ret=setup_bc(bc);
03261       if (ret == -EINVAL) {
03262          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03263       }
03264    }
03265 #endif
03266       break;
03267 
03268    case EVENT_PROGRESS:
03269    case EVENT_ALERTING:
03270    case EVENT_PROCEEDING:
03271    case EVENT_SETUP_ACKNOWLEDGE:
03272    case EVENT_CONNECT:
03273    case EVENT_RETRIEVE_ACKNOWLEDGE:
03274 
03275       if (stack->nt) {
03276          if (bc->channel <=0 ) { /*  else we have the channel already */
03277             if (!find_free_chan_in_stack(stack, bc, 0,0)) {
03278                cb_log(0, stack->port, " No free channel at the moment\n");
03279                /*FIXME: add disconnect*/
03280                RETURN(-ENOCHAN,OUT);
03281             }
03282             
03283             if (set_chan_in_stack(stack ,bc->channel)<0) {
03284                /*FIXME: add disconnect*/
03285                RETURN(-ENOCHAN,OUT);
03286             }
03287          }
03288          /* Its that i generate channels */
03289       }
03290 
03291       retval=setup_bc(bc);
03292       if (retval == -EINVAL) {
03293          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03294       }
03295 
03296       if (misdn_cap_is_speech(bc->capability)) {
03297          if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03298             if ( *bc->crypt_key ) {
03299                cb_log(4, stack->port,  " --> ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
03300                
03301                manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03302             }
03303             
03304             if (!bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03305             manager_ec_enable(bc);
03306             
03307             if (bc->txgain != 0) {
03308                cb_log(4, stack->port,  "--> Changing txgain to %d\n", bc->txgain);
03309                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03310             }
03311             
03312             if ( bc->rxgain != 0 ) {
03313                cb_log(4, stack->port,  "--> Changing rxgain to %d\n", bc->rxgain);
03314                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03315             }
03316          }
03317       }
03318       break;
03319 
03320    case EVENT_HOLD_ACKNOWLEDGE:
03321    {
03322       struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03323       if (!holded_bc) {
03324          cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03325          RETURN(-1,OUT);
03326       }
03327 
03328       /*backup the bc*/
03329       memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03330       holded_bc->holded=1;
03331       bc_state_change(holded_bc,BCHAN_CLEANED);
03332 
03333       stack_holder_add(stack,holded_bc);
03334    
03335       /*kill the bridge and clean the bchannel*/
03336       if (stack->nt) {
03337          if (bc->bc_state == BCHAN_BRIDGED) {
03338             misdn_split_conf(bc,bc->conf_id);
03339             struct misdn_bchannel *bc2=find_bc_by_confid(bc->conf_id);
03340             if (!bc2) {
03341                cb_log(0,bc->port,"We have no second bc in bridge???\n");
03342             } else {
03343                misdn_split_conf(bc2,bc->conf_id);
03344             }
03345          }
03346 
03347          if (bc->channel>0)
03348             empty_chan_in_stack(stack,bc->channel);
03349          empty_bc(bc);
03350          clean_up_bc(bc);
03351       }
03352       
03353    }
03354    break;
03355 
03356    /* finishing the channel eh ? */
03357    case EVENT_DISCONNECT:
03358       if (!bc->need_disconnect) {
03359          cb_log(0,bc->port," --> we have already send Disconnect\n");
03360          RETURN(-1,OUT);
03361       }
03362       
03363       bc->need_disconnect=0;
03364       break;
03365    case EVENT_RELEASE:
03366       if (!bc->need_release) {
03367          cb_log(0,bc->port," --> we have already send Release\n");
03368          RETURN(-1,OUT);
03369       }
03370       bc->need_disconnect=0;
03371       bc->need_release=0;
03372       break;
03373    case EVENT_RELEASE_COMPLETE:
03374       if (!bc->need_release_complete) {
03375          cb_log(0,bc->port," --> we have already send Release_complete\n");
03376          RETURN(-1,OUT);
03377       }
03378       bc->need_disconnect=0;
03379       bc->need_release=0;
03380       bc->need_release_complete=0;
03381 
03382       if (!stack->nt) {
03383          /*create clenaup in TE*/
03384          if (bc->channel>0)
03385             empty_chan_in_stack(stack,bc->channel);
03386          int tmpcause=bc->cause; 
03387          int tmp_out_cause=bc->out_cause; 
03388          empty_bc(bc);
03389          bc->cause=tmpcause;
03390          bc->out_cause=tmp_out_cause;
03391          clean_up_bc(bc);
03392       }
03393       break;
03394     
03395    case EVENT_CONNECT_ACKNOWLEDGE:
03396 
03397       if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03398          int retval=setup_bc(bc);
03399          if (retval == -EINVAL){
03400             cb_log(0,bc->port,"send_event: setup_bc failed\n");
03401             
03402          }
03403       }
03404       
03405       if (misdn_cap_is_speech(bc->capability)) {
03406          if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03407          manager_ec_enable(bc);
03408 
03409          if ( bc->txgain != 0 ) {
03410             cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03411             manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03412          }
03413          if ( bc->rxgain != 0 ) {
03414             cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03415             manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03416          }
03417       }
03418       break;
03419     
03420    default:
03421       break;
03422    }
03423   
03424    /* Later we should think about sending bchannel data directly to misdn. */
03425    msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03426    msg_queue_tail(&stack->downqueue, msg);
03427    sem_post(&glob_mgr->new_msg);
03428   
03429 OUT:
03430    misdn_send_unlock(bc);
03431 
03432 OUT_POST_UNLOCK:
03433    return retval; 
03434 }

int misdn_lib_send_restart ( int  port  ) 

Definition at line 3657 of file isdn_lib.c.

References cb_log, EVENT_RESTART, find_stack_by_port(), misdn_lib_send_event(), misdn_stack::nt, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_send_restart().

03658 {
03659    struct misdn_stack *stack=find_stack_by_port(port);
03660    cb_log(0, port, "Sending Restarts on this port.\n");
03661    
03662    struct misdn_bchannel dummybc;
03663    memset (&dummybc,0,sizeof(dummybc));
03664    dummybc.port=stack->port;
03665    dummybc.l3_id=MISDN_ID_GLOBAL;
03666    dummybc.nt=stack->nt;
03667 
03668    int max=stack->pri?30:2;
03669    int i;
03670    for (i=1;i<=max;i++) {
03671       dummybc.channel=i;
03672       cb_log(0, port, "Restarting channel %d\n",i);
03673       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03674       /*do we need to wait before we get an EVENT_RESTART_ACK ?*/
03675    }
03676 
03677    return 0;
03678 }

void misdn_lib_send_tone ( struct misdn_bchannel bc,
enum tone_e  tone 
)

Definition at line 4278 of file isdn_lib.c.

References misdn_bchannel::addr, glob_mgr, manager_ph_control(), misdn_lib::midev, TONE_ALERTING, TONE_DIAL, TONE_HANGUP, and TONE_NONE.

Referenced by hanguptone_indicate().

04279 {
04280 
04281    switch(tone) {
04282    case TONE_DIAL:
04283       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE); 
04284    break;
04285    
04286    case TONE_ALERTING:
04287       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);  
04288    break;
04289    
04290    case TONE_HANGUP:
04291       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);   
04292    break;
04293 
04294    case TONE_NONE:
04295    default:
04296       manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);  
04297    }
04298 
04299    char buf[mISDN_HEADER_LEN+128];
04300    iframe_t *frm=(iframe_t*)buf;
04301    memset(buf,0,mISDN_HEADER_LEN+128);
04302 
04303    frm->prim=DL_DATA|REQUEST;
04304    frm->addr=bc->addr|FLG_MSG_DOWN;
04305    frm->dinfo=0;
04306    frm->len=128;
04307    
04308    mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04309 }

void misdn_lib_setup_bc ( struct misdn_bchannel bc  ) 

Definition at line 921 of file isdn_lib.c.

References misdn_stack::bc, clean_up_bc(), and setup_bc().

Referenced by misdn_set_opt_exec().

00922 {
00923    clean_up_bc(bc);
00924    setup_bc(bc);
00925 }

void misdn_lib_split_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4440 of file isdn_lib.c.

References bc_state2str(), BCHAN_BRIDGED, cb_log, misdn_bchannel::conf_id, and misdn_split_conf().

Referenced by misdn_bridge().

04441 {
04442 
04443    struct misdn_bchannel *bc_list[]={
04444       bc1,bc2,NULL
04445    };
04446    struct misdn_bchannel **bc;
04447       
04448    for (bc=bc_list; *bc;  bc++) { 
04449       if ( (*bc)->bc_state == BCHAN_BRIDGED){
04450          misdn_split_conf( *bc, (*bc)->conf_id);
04451       } else {
04452          cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04453       }
04454    }
04455    
04456 }

void misdn_lib_tone_generator_start ( struct misdn_bchannel bc  ) 

Definition at line 2166 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by dialtone_indicate().

02167 {
02168    bc->generate_tone=1;
02169 }

void misdn_lib_tone_generator_stop ( struct misdn_bchannel bc  ) 

Definition at line 2171 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by start_bc_tones(), and stop_indicate().

02172 {
02173    bc->generate_tone=0;
02174 }

void misdn_lib_transfer ( struct misdn_bchannel holded_bc  ) 

Definition at line 3036 of file isdn_lib.c.

References misdn_bchannel::holded.

03037 {
03038    holded_bc->holded=0;
03039 }

int misdn_lib_tx2misdn_frm ( struct misdn_bchannel bc,
void *  data,
int  len 
)

Definition at line 4059 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, misdn_bchannel::capability, cb_log, flip_buf_bits(), get_stack_by_bc(), misdn_stack::midev, misdn_cap_is_speech(), misdn_bchannel::port, and misdn_stack::port.

Referenced by misdn_join_conf().

04060 {
04061    struct misdn_stack *stack=get_stack_by_bc(bc);
04062 
04063    switch (bc->bc_state) {
04064       case BCHAN_ACTIVATED:
04065       case BCHAN_BRIDGED:
04066          break;
04067       default:
04068          cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04069          return -1;
04070    }
04071    
04072    char buf[4096 + mISDN_HEADER_LEN];
04073    iframe_t *frm= (iframe_t*)buf;
04074    int  r;
04075    
04076    frm->prim = DL_DATA|REQUEST;
04077    frm->dinfo = 0;
04078    frm->addr = bc->addr | FLG_MSG_DOWN ;
04079    
04080    frm->len = len;
04081    memcpy(&buf[mISDN_HEADER_LEN], data,len);
04082       
04083    if ( misdn_cap_is_speech(bc->capability) ) 
04084       flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04085    else
04086       cb_log(6, stack->port, "Writing %d data bytes\n",len);
04087    
04088    cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04089    r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04090    return 0;
04091 }

void misdn_send_lock ( struct misdn_bchannel bc  ) 

Definition at line 3208 of file isdn_lib.c.

References misdn_stack::bc, send_lock::lock, pthread_mutex_lock, and misdn_bchannel::send_lock.

Referenced by misdn_lib_send_event().

03209 {
03210    //cb_log(0,bc->port,"Locking bc->pid:%d\n", bc->pid);
03211    pthread_mutex_lock(&bc->send_lock->lock);
03212 }

void misdn_send_unlock ( struct misdn_bchannel bc  ) 

Definition at line 3214 of file isdn_lib.c.

References misdn_stack::bc, send_lock::lock, pthread_mutex_unlock, and misdn_bchannel::send_lock.

Referenced by misdn_lib_send_event().

03215 {
03216    //cb_log(0,bc->port,"UnLocking bc->pid:%d\n", bc->pid);
03217    pthread_mutex_unlock(&bc->send_lock->lock);
03218 }

void misdn_split_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4406 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, bc_state_change(), BCHAN_ACTIVATED, cb_log, manager_ph_control(), and misdn_bchannel::port.

Referenced by manager_bchannel_deactivate(), misdn_lib_send_event(), and misdn_lib_split_bridge().

04407 {
04408    bc_state_change(bc,BCHAN_ACTIVATED);
04409    manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04410    manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04411 
04412    cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04413 }

void misdn_tx_jitter ( struct misdn_bchannel bc,
int  len 
)

Definition at line 2220 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::bframe, misdn_bchannel::bframe_len, cb_jb_empty, cb_log, misdn_bchannel::channel, flip_buf_bits(), glob_mgr, misdn_lib::midev, misdn_bchannel::port, and tone_silence_flip.

Referenced by do_tone(), and handle_bchan().

02221 {
02222    char buf[4096 + mISDN_HEADER_LEN];
02223    char *data=&buf[mISDN_HEADER_LEN];
02224    iframe_t *txfrm= (iframe_t*)buf;
02225    int jlen, r;
02226    
02227    jlen=cb_jb_empty(bc,data,len);
02228    
02229    if (jlen) {
02230 #ifdef MISDN_SAVE_DATA
02231       misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02232 #endif
02233       flip_buf_bits( data, jlen);
02234       
02235       if (jlen < len) {
02236          cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02237       }
02238       
02239       txfrm->prim = DL_DATA|REQUEST;
02240       
02241       txfrm->dinfo = 0;
02242       
02243       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02244       
02245       txfrm->len =jlen;
02246       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02247 
02248       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02249    } else {
02250 #define MISDN_GEN_SILENCE
02251 #ifdef MISDN_GEN_SILENCE
02252       int cnt=len/TONE_SILENCE_SIZE;
02253       int rest=len%TONE_SILENCE_SIZE;
02254       int i;
02255 
02256       for (i=0; i<cnt; i++) {
02257          memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02258          data +=TONE_SILENCE_SIZE;
02259       }
02260 
02261       if (rest) {
02262          memcpy(data, tone_silence_flip, rest);
02263       }
02264 
02265       txfrm->prim = DL_DATA|REQUEST;
02266 
02267       txfrm->dinfo = 0;
02268 
02269       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02270 
02271       txfrm->len =len;
02272       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02273 
02274       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02275 #endif
02276 
02277    }
02278 }

static void prepare_bc ( struct misdn_bchannel bc,
int  channel 
) [static]

Definition at line 3064 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::channel_preselected, misdn_bchannel::in_use, misdn_bchannel::layer_id, mypid, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, and misdn_bchannel::pid.

Referenced by misdn_lib_get_free_bc().

03065 {
03066    bc->channel = channel;
03067    bc->channel_preselected = channel?1:0;
03068    bc->in_use = 1;
03069    bc->need_disconnect=1;
03070    bc->need_release=1;
03071    bc->need_release_complete=1;
03072    bc->cause=16;
03073 
03074    if (++mypid>5000) mypid=1;
03075    bc->pid=mypid;
03076 
03077 #if 0
03078    bc->addr=0;
03079    bc->b_stid=0;
03080    bc->layer_id=0;
03081 #endif
03082 }

int queue_cleanup_bc ( struct misdn_bchannel bc  ) 

Definition at line 3621 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::bc, cb_log, glob_mgr, misdn_bchannel::l3_id, misdn_lib::new_msg, and misdn_bchannel::port.

03622 {
03623    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03624    iframe_t *frm;
03625    if (!msg) {
03626       cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03627       return -1;
03628    }
03629    frm=(iframe_t*)msg->data;
03630 
03631    /* activate bchannel */
03632    frm->prim = MGR_CLEARSTACK| REQUEST;
03633 
03634    frm->addr = bc->l3_id;
03635 
03636    frm->dinfo = bc->port;
03637    frm->len = 0;
03638   
03639    msg_queue_tail(&glob_mgr->activatequeue, msg);
03640    sem_post(&glob_mgr->new_msg);
03641 
03642    return 0; 
03643 
03644 }

static int send_msg ( int  midev,
struct misdn_bchannel bc,
msg_t *  dmsg 
) [static]

Definition at line 369 of file isdn_lib.c.

References cb_log, get_stack_by_bc(), misdn_bchannel::l3_id, and misdn_bchannel::port.

Referenced by manager_event_handler().

00370 {
00371    iframe_t *frm;
00372    frm = (iframe_t *)dmsg->data;
00373    struct misdn_stack *stack=get_stack_by_bc(bc);
00374 
00375    if (!stack) {
00376       cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00377       return -1;
00378    }
00379    
00380    frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00381    frm->dinfo = bc->l3_id;
00382    frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00383             
00384    cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00385 
00386    mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00387    free_msg(dmsg);
00388 
00389    return 0;
00390 }

static int set_chan_in_stack ( struct misdn_stack stack,
int  channel 
) [static]

Definition at line 696 of file isdn_lib.c.

References cb_log, misdn_stack::channels, dump_chan_list(), MAX_BCHANS, and misdn_stack::port.

Referenced by create_process(), handle_event(), handle_event_nt(), and misdn_lib_send_event().

00697 {
00698 
00699    cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00700    dump_chan_list(stack);
00701    if (channel >=1 && channel <= MAX_BCHANS) {
00702       if (!stack->channels[channel-1])
00703          stack->channels[channel-1] = 1;
00704       else {
00705          cb_log(4,stack->port,"channel already in use:%d\n", channel );
00706          return -1;
00707       }
00708    } else {
00709       cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00710       return -1;
00711    }
00712   
00713    return 0;
00714 }

int setup_bc ( struct misdn_bchannel bc  ) 

Definition at line 928 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::b_stids, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEANED, BCHAN_ERROR, cb_event, cb_log, misdn_bchannel::channel, EVENT_BCHAN_ERROR, get_stack_by_bc(), glob_mgr, misdn_bchannel::hdlc, ISDN_PID_L3_B_USER, ISDN_PID_L4_B_USER, misdn_bchannel::layer, misdn_bchannel::layer_id, manager_bchannel_activate(), misdn_stack::midev, misdn_bchannel::nodsp, misdn_stack::port, misdn_bchannel::port, and misdn_lib::user_data.

Referenced by handle_event(), handle_event_nt(), misdn_lib_send_event(), and misdn_lib_setup_bc().

00929 {
00930    unsigned char buff[1025];
00931   
00932    mISDN_pid_t pid;
00933    int ret;
00934    
00935 
00936    struct misdn_stack *stack=get_stack_by_bc(bc);
00937 
00938    if (!stack) {
00939       cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00940       return -1;
00941    }
00942    
00943    int midev=stack->midev;
00944    int channel=bc->channel-1-(bc->channel>16);
00945    int b_stid=stack->b_stids[channel>=0?channel:0];
00946 
00947 
00948    switch (bc->bc_state) {
00949       case BCHAN_CLEANED:
00950          break;
00951       default:
00952          cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00953          return -1;
00954    }
00955    
00956    cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00957    
00958    if (b_stid <= 0) {
00959       cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00960       
00961       bc_state_change(bc,BCHAN_ERROR);
00962       return 1;
00963    }
00964    
00965    
00966    bc->b_stid = b_stid;
00967    
00968    {
00969       layer_info_t li;
00970       memset(&li, 0, sizeof(li));
00971     
00972       li.object_id = -1;
00973       li.extentions = 0;
00974       
00975       li.st = bc->b_stid; /*  given idx */
00976 
00977 
00978 #define MISDN_DSP
00979 #ifndef MISDN_DSP
00980       bc->nodsp=1;
00981 #endif
00982       if ( bc->hdlc || bc->nodsp) {
00983          cb_log(4, stack->port,"setup_bc: without dsp\n");
00984          { 
00985             int l = sizeof(li.name);
00986             strncpy(li.name, "B L3", l);
00987             li.name[l-1] = 0;
00988          }
00989          li.pid.layermask = ISDN_LAYER((3));
00990          li.pid.protocol[3] = ISDN_PID_L3_B_USER;
00991          
00992          bc->layer=3;
00993       } else {
00994          cb_log(4, stack->port,"setup_bc: with dsp\n");
00995          { 
00996             int l = sizeof(li.name);
00997             strncpy(li.name, "B L4", l);
00998             li.name[l-1] = 0;
00999          }
01000          li.pid.layermask = ISDN_LAYER((4));
01001          li.pid.protocol[4] = ISDN_PID_L4_B_USER
01002 ;
01003          bc->layer=4;
01004          
01005       }  
01006       
01007       ret = mISDN_new_layer(midev, &li);
01008       if (ret ) {
01009          cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01010 
01011          bc_state_change(bc,BCHAN_ERROR);
01012          return(-EINVAL);
01013       }
01014       
01015       bc->layer_id = li.id;
01016    }
01017    
01018    memset(&pid, 0, sizeof(pid));
01019    
01020    
01021    
01022    cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01023    
01024    if (bc->nodsp) {
01025       cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01026       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01027       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01028       pid.protocol[3] = ISDN_PID_L3_B_USER;
01029       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01030       
01031    } else if ( bc->hdlc ) {
01032       cb_log(2, stack->port," --> HDLC Mode\n");
01033       pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01034       pid.protocol[2] = ISDN_PID_L2_B_TRANS  ;
01035       pid.protocol[3] = ISDN_PID_L3_B_USER;
01036       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01037    } else {
01038       cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01039       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01040       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01041       pid.protocol[3] = ISDN_PID_L3_B_DSP;
01042       pid.protocol[4] = ISDN_PID_L4_B_USER;
01043       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01044       
01045    } 
01046 
01047    ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01048 
01049    if (ret){
01050       cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01051       
01052       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01053       
01054       bc_state_change(bc,BCHAN_ERROR);
01055       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01056       return(-EINVAL);
01057    }
01058 
01059    ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01060 
01061    if (ret) {
01062       cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01063       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01064       
01065       bc_state_change(bc,BCHAN_ERROR);
01066       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01067       return(-EINVAL);
01068    }
01069 
01070    ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01071 
01072    bc->addr = ret>0? ret : 0;
01073 
01074    if (!bc->addr) {
01075       cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01076       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01077       
01078       bc_state_change(bc,BCHAN_ERROR);
01079       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01080       return (-EINVAL);
01081    }
01082 
01083    manager_bchannel_activate(bc);
01084    
01085    bc_state_change(bc,BCHAN_ACTIVATED);
01086 
01087    return 0;
01088 }

void stack_destroy ( struct misdn_stack stack  ) 

Definition at line 1355 of file isdn_lib.c.

References misdn_stack::lower_id, misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, and misdn_stack::upper_id.

Referenced by misdn_lib_destroy().

01356 {
01357    char buf[1024];
01358    if (!stack) return;
01359 
01360    if (stack->nt) {
01361       cleanup_Isdnl2(&stack->nst);
01362       cleanup_Isdnl3(&stack->nst);
01363    }
01364   
01365    if (stack->lower_id) 
01366       mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01367 
01368    if (stack->upper_id) 
01369       mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01370 }

void stack_holder_add ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4180 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by misdn_lib_send_event().

04181 {
04182    struct misdn_bchannel *help;
04183    cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04184    
04185    holder->stack_holder=1;
04186 
04187    if (!stack ) return ;
04188    
04189    holder->next=NULL;
04190    
04191    if (!stack->holding) {
04192       stack->holding = holder;
04193       return;
04194    }
04195   
04196    for (help=stack->holding;
04197         help;
04198         help=help->next) {
04199       if (!help->next) {
04200          help->next=holder;
04201          break;
04202       }
04203    }
04204   
04205 }

struct misdn_bchannel * stack_holder_find ( struct misdn_stack stack,
unsigned long  l3id 
)

Definition at line 4255 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, and misdn_stack::port.

Referenced by find_bc_by_l3id(), find_bc_by_masked_l3id(), and handle_event_nt().

04256 {
04257    struct misdn_bchannel *help;
04258 
04259    cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id);
04260    
04261    if (!stack) return NULL;
04262    
04263    for (help=stack->holding;
04264         help;
04265         help=help->next) {
04266       if (help->l3_id == l3id) {
04267          cb_log(4,stack->port, "*HOLDER: found bc\n");
04268          return help;
04269       }
04270    }
04271 
04272    cb_log(4,stack->port, "*HOLDER: find nothing\n");
04273    return NULL;
04274 }

struct misdn_bchannel * stack_holder_find_bychan ( struct misdn_stack stack,
int  chan 
)

Definition at line 4233 of file isdn_lib.c.

References cb_log, misdn_bchannel::channel, misdn_stack::holding, misdn_bchannel::next, and misdn_stack::port.

04234 {
04235    struct misdn_bchannel *help;
04236 
04237    cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04238    
04239    if (!stack) return NULL;
04240    
04241    for (help=stack->holding;
04242         help;
04243         help=help->next) {
04244       if (help->channel == chan) {
04245          cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04246          return help;
04247       }
04248    }
04249 
04250    cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04251    return NULL;
04252 
04253 }

void stack_holder_remove ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4207 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by handle_cr(), and handle_event_nt().

04208 {
04209    struct misdn_bchannel *h1;
04210 
04211    if (!holder->stack_holder) return;
04212    
04213    holder->stack_holder=0;
04214    
04215    cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04216    if (!stack || ! stack->holding) return;
04217   
04218    if (holder == stack->holding) {
04219       stack->holding = stack->holding->next;
04220       return;
04221    }
04222    
04223    for (h1=stack->holding;
04224         h1;
04225         h1=h1->next) {
04226       if (h1->next == holder) {
04227          h1->next=h1->next->next;
04228          return ;
04229       }
04230    }
04231 }

struct misdn_stack * stack_init ( int  midev,
int  port,
int  ptp 
)

Definition at line 1159 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::b_stids, cb_log, misdn_stack::channels, misdn_stack::d_stid, misdn_stack::downqueue, misdn_stack::holding, malloc, MAX_BCHANS, misdn_stack::midev, misdn_stack::nt, misdn_stack::port, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upqueue.

Referenced by misdn_lib_init().

01160 {
01161    int ret;
01162    unsigned char buff[1025];
01163    iframe_t *frm = (iframe_t *)buff;
01164    stack_info_t *stinf;
01165    int i; 
01166    layer_info_t li;
01167 
01168    struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01169    if (!stack ) return NULL;
01170 
01171 
01172    cb_log(8, port, "Init. Stack.\n");
01173   
01174    memset(stack,0,sizeof(struct misdn_stack));
01175   
01176    for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01177    
01178    stack->port=port;
01179    stack->midev=midev;
01180    stack->ptp=ptp;
01181   
01182    stack->holding=NULL;
01183    stack->pri=0;
01184   
01185    msg_queue_init(&stack->downqueue);
01186    msg_queue_init(&stack->upqueue);
01187   
01188    /* query port's requirements */
01189    ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01190    if (ret < 0) {
01191       cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01192       return(NULL);
01193    }
01194   
01195    stinf = (stack_info_t *)&frm->data.p;
01196 
01197    stack->d_stid = stinf->id;
01198    stack->b_num = stinf->childcnt;
01199 
01200    for (i=0; i<=stinf->childcnt; i++)
01201       stack->b_stids[i] = stinf->child[i];
01202   
01203    switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01204    case ISDN_PID_L0_TE_S0:
01205       stack->nt=0;
01206       break;
01207    case ISDN_PID_L0_NT_S0:
01208       cb_log(8, port, "NT Stack\n");
01209 
01210       stack->nt=1;
01211       break;
01212 
01213 #ifndef MISDN_1_2
01214    case ISDN_PID_L0_TE_U:
01215       break;
01216    case ISDN_PID_L0_NT_U:
01217       break;
01218    case ISDN_PID_L0_TE_UP2:
01219       break;
01220    case ISDN_PID_L0_NT_UP2:
01221       break;
01222 #endif
01223    case ISDN_PID_L0_TE_E1:
01224       cb_log(8, port, "TE S2M Stack\n");
01225       stack->nt=0;
01226       stack->pri=1;
01227       break;
01228    case ISDN_PID_L0_NT_E1:
01229       cb_log(8, port, "TE S2M Stack\n");
01230       stack->nt=1;
01231       stack->pri=1;
01232       
01233       break;
01234    default:
01235       cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01236 
01237    }
01238 
01239    if (!stack->nt) {
01240       if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) { 
01241          stack->ptp = 1;
01242       } else {
01243          stack->ptp = 0;
01244       }
01245    }
01246    
01247    {
01248       int ret;
01249       int nt=stack->nt;
01250 
01251       cb_log(8, port, "Init. Stack.\n");
01252       
01253       memset(&li, 0, sizeof(li));
01254       {
01255          int l = sizeof(li.name);
01256          strncpy(li.name,nt?"net l2":"user l4", l);
01257          li.name[l-1] = 0;
01258       }
01259       li.object_id = -1;
01260       li.extentions = 0;
01261       li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01262       li.pid.layermask = ISDN_LAYER((nt?2:4));
01263       li.st = stack->d_stid;
01264       
01265       
01266       ret = mISDN_new_layer(midev, &li);
01267       if (ret) {
01268          cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01269          return(NULL);
01270       }
01271       
01272       
01273       stack->upper_id = li.id;
01274       ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01275       if (ret)
01276       {
01277          cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01278          return(NULL);
01279       }
01280       
01281       stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3); 
01282       if (stack->lower_id < 0) {
01283          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01284          return(NULL);
01285       }
01286       
01287       stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01288       if (stack->upper_id < 0) {
01289          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01290          return(NULL);
01291       }
01292       
01293       cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01294       
01295       
01296       /* create nst (nt-mode only) */
01297       if (nt) {
01298          
01299          memset(&stack->nst, 0, sizeof(net_stack_t));
01300          memset(&stack->mgr, 0, sizeof(manager_t));
01301     
01302          stack->mgr.nst = &stack->nst;
01303          stack->nst.manager = &stack->mgr;
01304     
01305          stack->nst.l3_manager = handle_event_nt;
01306          stack->nst.device = midev;
01307          stack->nst.cardnr = port;
01308          stack->nst.d_stid = stack->d_stid;
01309     
01310          stack->nst.feature = FEATURE_NET_HOLD;
01311          if (stack->ptp)
01312             stack->nst.feature |= FEATURE_NET_PTP;
01313          if (stack->pri)
01314             stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01315          
01316          stack->nst.l1_id = stack->lower_id;
01317          stack->nst.l2_id = stack->upper_id;
01318          
01319          msg_queue_init(&stack->nst.down_queue);
01320          
01321          Isdnl2Init(&stack->nst);
01322          Isdnl3Init(&stack->nst);
01323          
01324       } 
01325       
01326       if (!stack->nt) {
01327          /*assume L1 is up, we'll get DEACTIVATES soon, for non
01328           * up L1s*/
01329          stack->l1link=0;
01330       }
01331       stack->l1link=0;
01332       stack->l2link=0;
01333 #if 0 
01334       if (!stack->nt) {
01335          misdn_lib_get_short_status(stack);
01336       } else {
01337          misdn_lib_get_l1_up(stack);
01338          if (!stack->ptp) misdn_lib_get_l1_up(stack);
01339          misdn_lib_get_l2_up(stack);
01340       }
01341 #endif
01342 
01343       misdn_lib_get_short_status(stack);
01344       misdn_lib_get_l1_up(stack);
01345       misdn_lib_get_l2_up(stack); 
01346       
01347    }
01348 
01349    cb_log(8,0,"stack_init: port:%d lowerId:%x  upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01350    
01351    return stack;
01352 }

void te_lib_destroy ( int  midev  ) 

Definition at line 3024 of file isdn_lib.c.

References cb_log, and entity.

Referenced by misdn_lib_destroy().

03025 {
03026    char buf[1024];
03027    mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03028 
03029    cb_log(4, 0, "Entetity deleted\n");
03030    mISDN_close(midev);
03031    cb_log(4, 0, "midev closed\n");
03032 }

int te_lib_init (  ) 

App Interface

Definition at line 2995 of file isdn_lib.c.

References entity, and misdn_lib::midev.

Referenced by misdn_lib_init().

02995                   {
02996    char buff[1025];
02997    iframe_t *frm=(iframe_t*)buff;
02998    int midev=mISDN_open();
02999    int ret;
03000 
03001    memset(buff,0,1025);
03002   
03003    if  (midev<=0) return midev;
03004   
03005 /* create entity for layer 3 TE-mode */
03006    mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03007    ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03008   
03009    if (ret < mISDN_HEADER_LEN) {
03010    noentity:
03011       fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03012       exit(-1);
03013    }
03014   
03015    entity = frm->dinfo & 0xffff ;
03016   
03017    if (!entity)
03018       goto noentity;
03019 
03020    return midev;
03021   
03022 }


Variable Documentation

int entity [static]

Definition at line 213 of file isdn_lib.c.

Referenced by create_process(), te_lib_destroy(), and te_lib_init().

char flip_table[256] [static]

Definition at line 278 of file isdn_lib.c.

Referenced by flip_buf_bits(), and init_flip_bits().

struct misdn_lib* glob_mgr [static]

Definition at line 215 of file isdn_lib.c.

Referenced by do_tone(), find_bc_by_addr(), find_bc_by_confid(), find_stack_by_addr(), find_stack_by_mgr(), find_stack_by_port(), get_misdn_stack(), handle_bchan(), handle_cr(), handle_event_nt(), handle_frm(), handle_l1(), handle_l2(), handle_timers(), manager_event_handler(), manager_find_bc_by_pid(), manager_ph_control(), manager_ph_control_block(), misdn_lib_destroy(), misdn_lib_get_free_bc(), misdn_lib_get_port_down(), misdn_lib_get_port_info(), misdn_lib_get_port_up(), misdn_lib_init(), misdn_lib_isdn_l1watcher(), misdn_lib_port_restart(), misdn_lib_port_up(), misdn_lib_reinit_nt_stack(), misdn_lib_send_event(), misdn_lib_send_tone(), misdn_tx_jitter(), queue_cleanup_bc(), and setup_bc().

enum global_states global_state = MISDN_INITIALIZING [static]

Definition at line 146 of file isdn_lib.c.

Referenced by clear_l3(), handle_l1(), and misdn_lib_destroy().

sem_t handler_started

Definition at line 3721 of file isdn_lib.c.

struct isdn_msg msgs_g[]

Msg Array

Definition at line 1140 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), handle_frm(), handle_l1(), manager_isdn_get_info(), and misdn_lib_send_event().

int mypid = 1 [static]

Definition at line 393 of file isdn_lib.c.

Referenced by prepare_bc().

int newteid = 0 [static]

Definition at line 727 of file isdn_lib.c.

int nt_err_cnt = 0 [static]

Definition at line 139 of file isdn_lib.c.

Referenced by handle_frm_nt().

char tone_425_flip[TONE_425_SIZE]

Definition at line 217 of file isdn_lib.c.

Referenced by misdn_lib_init().

char tone_silence_flip[TONE_SILENCE_SIZE]

Definition at line 218 of file isdn_lib.c.

Referenced by misdn_lib_init(), and misdn_tx_jitter().


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