7u83/freewtp
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Improve memory administration for tx/rx packet manager

Browse Source
This commit is contained in:
vemax78
2013-05-27 21:33:23 +02:00
parent 9157cc278b
commit 6c55b4d71f
126 changed files with 5383 additions and 7894 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
src/common/capwap_element_imageidentifier.c
View File

@ -12,82 +12,65 @@
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 25 for Image Identifier
Length: >= 5
********************************************************************/
struct capwap_imageidentifier_raw_element {
unsigned long vendor;
char name[0];
} __attribute__((__packed__));
/* */
static void capwap_imageidentifier_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_imageidentifier_element* element = (struct capwap_imageidentifier_element*)data;
ASSERT(data != NULL);
func->write_u32(handle, element->vendor);
func->write_block(handle, element->name, strlen((char*)element->name));
}
/* */
struct capwap_message_element* capwap_imageidentifier_element_create(void* data, unsigned long datalength) {
unsigned short namelength;
struct capwap_message_element* element;
struct capwap_imageidentifier_raw_element* dataraw;
struct capwap_imageidentifier_element* dataelement = (struct capwap_imageidentifier_element*)data;
ASSERT(data != NULL);
ASSERT(datalength == sizeof(struct capwap_imageidentifier_element));
/* Alloc block of memory */
namelength = strlen(dataelement->name);
element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_imageidentifier_raw_element) + namelength);
if (!element) {
capwap_outofmemory();
static void* capwap_imageidentifier_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
unsigned short length;
struct capwap_imageidentifier_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
length = func->read_ready(handle);
if (length < 5) {
capwap_logging_debug("Invalid Image Indentifier element");
return NULL;
}
/* Create message element */
memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_imageidentifier_raw_element) + namelength);
element->type = htons(CAPWAP_ELEMENT_IMAGEIDENTIFIER);
element->length = htons(sizeof(struct capwap_imageidentifier_raw_element) + namelength);
dataraw = (struct capwap_imageidentifier_raw_element*)element->data;
dataraw->vendor = htonl(dataelement->vendor);
memcpy(&dataraw->name[0], &dataelement->name[0], namelength);
return element;
}
/* */
int capwap_imageidentifier_element_validate(struct capwap_message_element* element) {
/* TODO */
return 1;
}
/* */
void* capwap_imageidentifier_element_parsing(struct capwap_message_element* element) {
unsigned short namelength;
struct capwap_imageidentifier_element* data;
struct capwap_imageidentifier_raw_element* dataraw;
ASSERT(element);
ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_IMAGEIDENTIFIER);
namelength = ntohs(element->length) - sizeof(struct capwap_imageidentifier_raw_element);
if (!namelength || (namelength > CAPWAP_IMAGEIDENTIFIER_MAXLENGTH)) {
length -= 4;
if (length > CAPWAP_IMAGEIDENTIFIER_MAXLENGTH) {
capwap_logging_debug("Invalid AC Name element");
return NULL;
}
/* */
dataraw = (struct capwap_imageidentifier_raw_element*)element->data;
data = (struct capwap_imageidentifier_element*)capwap_alloc(sizeof(struct capwap_imageidentifier_element));
if (!data) {
capwap_outofmemory();
}
/* */
data->vendor = ntohl(dataraw->vendor);
memcpy(&data->name[0], &dataraw->name[0], namelength);
data->name[namelength] = 0;
/* Retrieve data */
memset(data, 0, sizeof(struct capwap_imageidentifier_element));
func->read_u32(handle, &data->vendor);
func->read_block(handle, data->name, length);
return data;
}
/* */
void capwap_imageidentifier_element_free(void* data) {
static void capwap_imageidentifier_element_free(void* data) {
ASSERT(data != NULL);
capwap_free(data);
}
/* */
struct capwap_message_elements_ops capwap_element_imageidentifier_ops = {
.create_message_element = capwap_imageidentifier_element_create,
.parsing_message_element = capwap_imageidentifier_element_parsing,
.free_parsed_message_element = capwap_imageidentifier_element_free
};