freewtp/lib/element_wtpfallback.c

75 lines
2.0 KiB
C
Raw Normal View History

2013-05-01 14:52:55 +02:00
#include "capwap.h"
2016-08-22 16:59:55 +02:00
#include "element.h"
2013-05-01 14:52:55 +02:00
/********************************************************************
0
0 1 2 3 4 5 6 7
+-+-+-+-+-+-+-+-+
| Mode |
+-+-+-+-+-+-+-+-+
Type: 40 for WTP Fallback
2013-05-01 14:52:55 +02:00
Length: 1
********************************************************************/
/* */
static void capwap_wtpfallback_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_wtpfallback_element* element = (struct capwap_wtpfallback_element*)data;
2013-05-01 14:52:55 +02:00
ASSERT(data != NULL);
ASSERT((element->mode == CAPWAP_WTP_FALLBACK_ENABLED) || (element->mode == CAPWAP_WTP_FALLBACK_DISABLED));
2013-05-01 14:52:55 +02:00
/* */
func->write_u8(handle, element->mode);
2013-05-01 14:52:55 +02:00
}
2013-10-01 16:39:27 +02:00
/* */
static void* capwap_wtpfallback_element_clone(void* data) {
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_wtpfallback_element));
}
/* */
static void capwap_wtpfallback_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}
2013-05-01 14:52:55 +02:00
/* */
static void* capwap_wtpfallback_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
2013-05-01 14:52:55 +02:00
struct capwap_wtpfallback_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 1) {
log_printf(LOG_DEBUG, "Invalid WTP Fallback element: underbuffer");
2013-05-01 14:52:55 +02:00
return NULL;
}
/* Retrieve data */
data = (struct capwap_wtpfallback_element*)capwap_alloc(sizeof(struct capwap_wtpfallback_element));
func->read_u8(handle, &data->mode);
if ((data->mode != CAPWAP_WTP_FALLBACK_ENABLED) && (data->mode != CAPWAP_WTP_FALLBACK_DISABLED)) {
capwap_wtpfallback_element_free((void*)data);
log_printf(LOG_DEBUG, "Invalid WTP Fallback element: invalid mode");
return NULL;
}
2013-05-01 14:52:55 +02:00
return data;
}
/* */
2016-03-07 18:07:46 +01:00
const struct capwap_message_elements_ops capwap_element_wtpfallback_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
.create = capwap_wtpfallback_element_create,
.parse = capwap_wtpfallback_element_parsing,
.clone = capwap_wtpfallback_element_clone,
.free = capwap_wtpfallback_element_free
};