freewtp/src/common/capwap_element_imageinfo.c

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#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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| File Size |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Hash |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Hash |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Hash |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Hash |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 26 for Image Information
Length: 20
********************************************************************/
/* */
static void capwap_imageinfo_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_imageinfo_element* element = (struct capwap_imageinfo_element*)data;
ASSERT(data != NULL);
func->write_u32(handle, element->length);
func->write_block(handle, element->hash, CAPWAP_IMAGEINFO_HASH_LENGTH);
}
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/* */
static void* capwap_imageinfo_element_clone(void* data) {
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_imageinfo_element));
}
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/* */
static void capwap_imageinfo_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}
/* */
static void* capwap_imageinfo_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
struct capwap_imageinfo_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 20) {
capwap_logging_debug("Invalid Image Information element: underbuffer");
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return NULL;
}
/* Retrieve data */
data = (struct capwap_imageinfo_element*)capwap_alloc(sizeof(struct capwap_imageinfo_element));
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func->read_u32(handle, &data->length);
func->read_block(handle, data->hash, CAPWAP_IMAGEINFO_HASH_LENGTH);
return data;
}
/* */
struct capwap_message_elements_ops capwap_element_imageinfo_ops = {
.create_message_element = capwap_imageinfo_element_create,
.parsing_message_element = capwap_imageinfo_element_parsing,
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.clone_message_element = capwap_imageinfo_element_clone,
.free_message_element = capwap_imageinfo_element_free
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};