freewtp/src/common/capwap_element_idletimeout.c

78 lines
2.2 KiB
C

#include "capwap.h"
#include "capwap_element.h"
/********************************************************************
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Timeout |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 23 for Idle Timeout
Length: 4
********************************************************************/
struct capwap_idletimeout_raw_element {
unsigned long timeout;
} __attribute__((__packed__));
/* */
struct capwap_message_element* capwap_idletimeout_element_create(void* data, unsigned long datalength) {
struct capwap_message_element* element;
ASSERT(data != NULL);
ASSERT(datalength == sizeof(struct capwap_idletimeout_element));
/* Alloc block of memory */
element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_idletimeout_raw_element));
if (!element) {
capwap_outofmemory();
}
/* Create message element */
memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_idletimeout_raw_element));
element->type = htons(CAPWAP_ELEMENT_IDLETIMEOUT);
element->length = htons(sizeof(struct capwap_idletimeout_raw_element));
((struct capwap_idletimeout_raw_element*)element->data)->timeout = htonl(((struct capwap_idletimeout_element*)data)->timeout);
return element;
}
/* */
int capwap_idletimeout_element_validate(struct capwap_message_element* element) {
/* TODO */
return 1;
}
/* */
void* capwap_idletimeout_element_parsing(struct capwap_message_element* element) {
struct capwap_idletimeout_element* data;
ASSERT(element);
ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_IDLETIMEOUT);
if (ntohs(element->length) != sizeof(struct capwap_idletimeout_raw_element)) {
return NULL;
}
/* */
data = (struct capwap_idletimeout_element*)capwap_alloc(sizeof(struct capwap_idletimeout_element));
if (!data) {
capwap_outofmemory();
}
/* */
data->timeout = ntohl(((struct capwap_idletimeout_raw_element*)element->data)->timeout);
return data;
}
/* */
void capwap_idletimeout_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}