freewtp/src/common/capwap_element_datatransfermode.c

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#include "capwap.h"
#include "capwap_element.h"
/********************************************************************
0
0 1 2 3 4 5 6 7
+-+-+-+-+-+-+-+-+
| Data Mode |
+-+-+-+-+-+-+-+-+
Type: 14 for Data Transfer Mode
Length: 1
********************************************************************/
/* */
static void capwap_datatransfermode_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_datatransfermode_element* element = (struct capwap_datatransfermode_element*)data;
ASSERT(data != NULL);
ASSERT((element->mode == CAPWAP_DATATRANSFERMODE_MODE_CRASH_DUMP) || (element->mode == CAPWAP_DATATRANSFERMODE_MODE_MEMORY_DUMP));
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/* */
func->write_u8(handle, element->mode);
}
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/* */
static void* capwap_datatransfermode_element_clone(void* data) {
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_datatransfermode_element));
}
/* */
static void capwap_datatransfermode_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}
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/* */
static void* capwap_datatransfermode_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
struct capwap_datatransfermode_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 1) {
capwap_logging_debug("Invalid Data Transfer Mode element: underbuffer");
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return NULL;
}
/* Retrieve data */
data = (struct capwap_datatransfermode_element*)capwap_alloc(sizeof(struct capwap_datatransfermode_element));
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func->read_u8(handle, &data->mode);
if ((data->mode != CAPWAP_DATATRANSFERMODE_MODE_CRASH_DUMP) && (data->mode != CAPWAP_DATATRANSFERMODE_MODE_MEMORY_DUMP)) {
capwap_datatransfermode_element_free((void*)data);
capwap_logging_debug("Invalid Data Transfer Mode element: invalid mode");
return NULL;
}
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return data;
}
/* */
struct capwap_message_elements_ops capwap_element_datatransfermode_ops = {
.create_message_element = capwap_datatransfermode_element_create,
.parsing_message_element = capwap_datatransfermode_element_parsing,
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.clone_message_element = capwap_datatransfermode_element_clone,
.free_message_element = capwap_datatransfermode_element_free
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};