Mon Mar 31 07:40:53 2008

Asterisk developer's documentation


func_groupcount.c File Reference

Channel group related dialplan functions. More...

#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/logger.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"

Include dependency graph for func_groupcount.c:

Go to the source code of this file.

Functions

 AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"Channel group dialplan functions")
static int group_count_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_function_write (struct ast_channel *chan, char *cmd, char *data, const char *value)
static int group_list_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_match_count_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int load_module (void)
static int unload_module (void)

Variables

static struct ast_custom_function group_count_function
static struct ast_custom_function group_function
static struct ast_custom_function group_list_function
static struct ast_custom_function group_match_count_function


Detailed Description

Channel group related dialplan functions.

Definition in file func_groupcount.c.


Function Documentation

AST_MODULE_INFO_STANDARD ( ASTERISK_GPL_KEY  ,
"Channel group dialplan functions"   
)

static int group_count_function_read ( struct ast_channel chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 40 of file func_groupcount.c.

References ast_app_group_get_count(), ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), ast_app_group_split_group(), AST_LIST_NEXT, ast_log(), ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, ast_group_info::group, group, and LOG_NOTICE.

00042 {
00043    int count = -1;
00044    char group[80] = "", category[80] = "";
00045 
00046    ast_app_group_split_group(data, group, sizeof(group), category,
00047               sizeof(category));
00048 
00049    /* If no group has been provided let's find one */
00050    if (ast_strlen_zero(group)) {
00051       struct ast_group_info *gi = NULL;
00052 
00053       ast_app_group_list_lock();
00054       for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00055          if (gi->chan != chan)
00056             continue;
00057          if (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))
00058             break;
00059       }
00060       if (gi) {
00061          ast_copy_string(group, gi->group, sizeof(group));
00062          if (!ast_strlen_zero(gi->category))
00063             ast_copy_string(category, gi->category, sizeof(category));
00064       }
00065       ast_app_group_list_unlock();
00066    }
00067 
00068    if ((count = ast_app_group_get_count(group, category)) == -1)
00069       ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n", chan->name);
00070    else
00071       snprintf(buf, len, "%d", count);
00072 
00073    return 0;
00074 }

static int group_function_read ( struct ast_channel chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 117 of file func_groupcount.c.

References ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), AST_LIST_NEXT, ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, and ast_group_info::group.

00119 {
00120    struct ast_group_info *gi = NULL;
00121    
00122    ast_app_group_list_lock();
00123    
00124    for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00125       if (gi->chan != chan)
00126          continue;
00127       if (ast_strlen_zero(data))
00128          break;
00129       if (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, data))
00130          break;
00131    }
00132    
00133    if (gi)
00134       ast_copy_string(buf, gi->group, len);
00135    
00136    ast_app_group_list_unlock();
00137    
00138    return 0;
00139 }

static int group_function_write ( struct ast_channel chan,
char *  cmd,
char *  data,
const char *  value 
) [static]

Definition at line 141 of file func_groupcount.c.

References ast_app_group_set_channel(), ast_log(), ast_strlen_zero(), ast_group_info::chan, and LOG_WARNING.

00143 {
00144    char grpcat[256];
00145 
00146    if (!ast_strlen_zero(data)) {
00147       snprintf(grpcat, sizeof(grpcat), "%s@%s", value, data);
00148    } else {
00149       ast_copy_string(grpcat, value, sizeof(grpcat));
00150    }
00151 
00152    if (ast_app_group_set_channel(chan, grpcat))
00153       ast_log(LOG_WARNING,
00154             "Setting a group requires an argument (group name)\n");
00155 
00156    return 0;
00157 }

static int group_list_function_read ( struct ast_channel chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 168 of file func_groupcount.c.

References ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), AST_LIST_NEXT, ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, and ast_group_info::group.

00170 {
00171    struct ast_group_info *gi = NULL;
00172    char tmp1[1024] = "";
00173    char tmp2[1024] = "";
00174 
00175    if (!chan)
00176       return -1;
00177 
00178    ast_app_group_list_lock();
00179 
00180    for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00181       if (gi->chan != chan)
00182          continue;
00183       if (!ast_strlen_zero(tmp1)) {
00184          ast_copy_string(tmp2, tmp1, sizeof(tmp2));
00185          if (!ast_strlen_zero(gi->category))
00186             snprintf(tmp1, sizeof(tmp1), "%s %s@%s", tmp2, gi->group, gi->category);
00187          else
00188             snprintf(tmp1, sizeof(tmp1), "%s %s", tmp2, gi->group);
00189       } else {
00190          if (!ast_strlen_zero(gi->category))
00191             snprintf(tmp1, sizeof(tmp1), "%s@%s", gi->group, gi->category);
00192          else
00193             snprintf(tmp1, sizeof(tmp1), "%s", gi->group);
00194       }
00195    }
00196    
00197    ast_app_group_list_unlock();
00198 
00199    ast_copy_string(buf, tmp1, len);
00200 
00201    return 0;
00202 }

static int group_match_count_function_read ( struct ast_channel chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 86 of file func_groupcount.c.

References ast_app_group_match_get_count(), ast_app_group_split_group(), ast_strlen_zero(), and group.

00089 {
00090    int count;
00091    char group[80] = "";
00092    char category[80] = "";
00093 
00094    ast_app_group_split_group(data, group, sizeof(group), category,
00095               sizeof(category));
00096 
00097    if (!ast_strlen_zero(group)) {
00098       count = ast_app_group_match_get_count(group, category);
00099       snprintf(buf, len, "%d", count);
00100    }
00101 
00102    return 0;
00103 }

static int load_module ( void   )  [static]

Definition at line 225 of file func_groupcount.c.

References ast_custom_function_register(), group_count_function, group_function, group_list_function, and group_match_count_function.

00226 {
00227    int res = 0;
00228 
00229    res |= ast_custom_function_register(&group_count_function);
00230    res |= ast_custom_function_register(&group_match_count_function);
00231    res |= ast_custom_function_register(&group_list_function);
00232    res |= ast_custom_function_register(&group_function);
00233 
00234    return res;
00235 }

static int unload_module ( void   )  [static]

Definition at line 213 of file func_groupcount.c.

References ast_custom_function_unregister(), group_count_function, group_function, group_list_function, and group_match_count_function.

00214 {
00215    int res = 0;
00216 
00217    res |= ast_custom_function_unregister(&group_count_function);
00218    res |= ast_custom_function_unregister(&group_match_count_function);
00219    res |= ast_custom_function_unregister(&group_list_function);
00220    res |= ast_custom_function_unregister(&group_function);
00221 
00222    return res;
00223 }


Variable Documentation

struct ast_custom_function group_count_function [static]

Definition at line 76 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_function [static]

Definition at line 159 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_list_function [static]

Definition at line 204 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_match_count_function [static]

Definition at line 105 of file func_groupcount.c.

Referenced by load_module(), and unload_module().


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