87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
#include "capwap.h"
|
|
#include "capwap_element.h"
|
|
|
|
/********************************************************************
|
|
|
|
0 1
|
|
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
|
|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
| Discovery | Echo Request |
|
|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
|
|
Type: 12 for CAPWAP Timers
|
|
Length: 2
|
|
|
|
********************************************************************/
|
|
|
|
struct capwap_timers_raw_element {
|
|
unsigned char discovery;
|
|
unsigned char echorequest;
|
|
} __attribute__((__packed__));
|
|
|
|
/* */
|
|
struct capwap_message_element* capwap_timers_element_create(void* data, unsigned long datalength) {
|
|
struct capwap_message_element* element;
|
|
struct capwap_timers_element* dataelement = (struct capwap_timers_element*)data;
|
|
struct capwap_timers_raw_element* dataraw;
|
|
|
|
ASSERT(data != NULL);
|
|
ASSERT(datalength == sizeof(struct capwap_timers_element));
|
|
|
|
/* Alloc block of memory */
|
|
element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_timers_raw_element));
|
|
if (!element) {
|
|
capwap_outofmemory();
|
|
}
|
|
|
|
/* Create message element */
|
|
memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_timers_raw_element));
|
|
element->type = htons(CAPWAP_ELEMENT_TIMERS);
|
|
element->length = htons(sizeof(struct capwap_timers_raw_element));
|
|
|
|
dataraw = (struct capwap_timers_raw_element*)element->data;
|
|
dataraw->discovery = dataelement->discovery;
|
|
dataraw->echorequest = dataelement->echorequest;
|
|
|
|
return element;
|
|
}
|
|
|
|
/* */
|
|
int capwap_timers_element_validate(struct capwap_message_element* element) {
|
|
/* TODO */
|
|
return 1;
|
|
}
|
|
|
|
/* */
|
|
void* capwap_timers_element_parsing(struct capwap_message_element* element) {
|
|
struct capwap_timers_element* data;
|
|
struct capwap_timers_raw_element* dataraw;
|
|
|
|
ASSERT(element);
|
|
ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_TIMERS);
|
|
|
|
if (ntohs(element->length) != sizeof(struct capwap_timers_raw_element)) {
|
|
return NULL;
|
|
}
|
|
|
|
/* */
|
|
data = (struct capwap_timers_element*)capwap_alloc(sizeof(struct capwap_timers_element));
|
|
if (!data) {
|
|
capwap_outofmemory();
|
|
}
|
|
|
|
/* */
|
|
dataraw = (struct capwap_timers_raw_element*)element->data;
|
|
data->discovery = dataraw->discovery;
|
|
data->echorequest = dataraw->echorequest;
|
|
|
|
return data;
|
|
}
|
|
|
|
/* */
|
|
void capwap_timers_element_free(void* data) {
|
|
ASSERT(data != NULL);
|
|
|
|
capwap_free(data);
|
|
}
|