#include <dhcp4_lease.h>
Data Fields | |
dhcp4_lease_s * | lease |
char * | name |
char * | format |
char * | universe |
uint8_t | unicode |
uint8_t | code |
uint8_t | form |
uint8_t | size |
uint8_t | udefined |
uint8_t | redefined |
uint16_t | n_members |
uint16_t | n_elements |
uint16_t | length |
uint8_t ** | members |
uint8_t | value [1] |
Structured options (options with more than one member) are laid out as C structures in 'opt->value', with a list of pointers to each member following the C structure. opt->length will be : sizeof(structure) + (n_members * sizeof(void*)). ie. sizeof(structure) == opt->length -(n_members * sizeof(void*)).
Array options have exactly opt->n_members elements of opt->size, and are packed as a c array.
For scalars, n_members == 1.
Definition at line 121 of file dhcp4_lease.h.
uint8_t dhcp4_option_s::code |
uint8_t dhcp4_option_s::form |
DHCPv4_Option_Structure_Type
Definition at line 129 of file dhcp4_lease.h.
char* dhcp4_option_s::format |
dhcp format string of DHCPv4_Option_Type(s)
Definition at line 125 of file dhcp4_lease.h.
struct dhcp4_lease_s* dhcp4_option_s::lease |
the lease this option is associated with
Definition at line 123 of file dhcp4_lease.h.
uint16_t dhcp4_option_s::length |
size of value in bytes
Definition at line 135 of file dhcp4_lease.h.
uint8_t** dhcp4_option_s::members |
points to array of pointers to members at end of value
Definition at line 136 of file dhcp4_lease.h.
uint16_t dhcp4_option_s::n_elements |
> 1 if array
Definition at line 134 of file dhcp4_lease.h.
Referenced by dhcp4_nic_option_handler().
uint16_t dhcp4_option_s::n_members |
> 1 if structure
Definition at line 133 of file dhcp4_lease.h.
char* dhcp4_option_s::name |
dhcp option name, defined in dhcp/common/tables.c
Definition at line 124 of file dhcp4_lease.h.
Referenced by dhcpv4_get_option_by_name().
uint8_t dhcp4_option_s::redefined |
1 if user redefined option
Definition at line 132 of file dhcp4_lease.h.
uint8_t dhcp4_option_s::size |
If struct / array, size of element
Definition at line 130 of file dhcp4_lease.h.
uint8_t dhcp4_option_s::udefined |
1 if user defined option
Definition at line 131 of file dhcp4_lease.h.
uint8_t dhcp4_option_s::unicode |
universe code
Definition at line 127 of file dhcp4_lease.h.
Referenced by dhcpv4_get_option_by_code().
char* dhcp4_option_s::universe |
universe name
Definition at line 126 of file dhcp4_lease.h.
uint8_t dhcp4_option_s::value[1] |
option value(s) c-structure ; must be aligned for integer
Definition at line 137 of file dhcp4_lease.h.
Referenced by dhcp4_nic_option_handler(), and dhcpv4_unpack_lease().