freewtp/lib/element_resultcode.c
2016-08-23 08:55:15 +02:00

75 lines
2.2 KiB
C

#include "capwap.h"
#include "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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Result Code |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 33 for Result Code
Length: 4
********************************************************************/
/* */
static void capwap_resultcode_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_resultcode_element* element = (struct capwap_resultcode_element*)data;
ASSERT(data != NULL);
ASSERT((element->code >= CAPWAP_RESULTCODE_FIRST) && (element->code <= CAPWAP_RESULTCODE_LAST));
/* */
func->write_u32(handle, element->code);
}
/* */
static void* capwap_resultcode_element_clone(void* data) {
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_resultcode_element));
}
/* */
static void capwap_resultcode_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}
/* */
static void* capwap_resultcode_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
struct capwap_resultcode_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 4) {
log_printf(LOG_DEBUG, "Invalid Result Code element: underbuffer");
return NULL;
}
/* Retrieve data */
data = (struct capwap_resultcode_element*)capwap_alloc(sizeof(struct capwap_resultcode_element));
func->read_u32(handle, &data->code);
if ((data->code < CAPWAP_RESULTCODE_FIRST) || (data->code > CAPWAP_RESULTCODE_LAST)) {
capwap_resultcode_element_free((void*)data);
log_printf(LOG_DEBUG, "Invalid Result Code element: invalid code");
return NULL;
}
return data;
}
/* */
const struct capwap_message_elements_ops capwap_element_resultcode_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
.create = capwap_resultcode_element_create,
.parse = capwap_resultcode_element_parsing,
.clone = capwap_resultcode_element_clone,
.free = capwap_resultcode_element_free
};