2013-05-01 14:52:55 +02:00
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#include "capwap.h"
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#include "capwap_array.h"
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#include "capwap_element.h"
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/********************************************************************
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0 1 2 3
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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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Vendor Identifier |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Board Data Sub-Element...
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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0 1 2 3
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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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Board Data Type | Board Data Length |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Board Data Value...
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Type: 38 for WTP Board Data
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2013-05-27 21:33:23 +02:00
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2013-05-01 14:52:55 +02:00
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Length: >=14
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********************************************************************/
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/* */
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2013-05-27 21:33:23 +02:00
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static void capwap_wtpboarddata_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
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int i;
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struct capwap_wtpboarddata_element* element = (struct capwap_wtpboarddata_element*)data;
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2013-05-01 14:52:55 +02:00
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ASSERT(data != NULL);
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2013-05-27 21:33:23 +02:00
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/* */
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func->write_u32(handle, element->vendor);
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2013-05-01 14:52:55 +02:00
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/* */
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2013-05-27 21:33:23 +02:00
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for (i = 0; i < element->boardsubelement->count; i++) {
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struct capwap_wtpboarddata_board_subelement* desc = (struct capwap_wtpboarddata_board_subelement*)capwap_array_get_item_pointer(element->boardsubelement, i);
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func->write_u16(handle, desc->type);
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func->write_u16(handle, desc->length);
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func->write_block(handle, desc->data, desc->length);
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2013-05-01 14:52:55 +02:00
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}
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}
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/* */
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2013-05-27 21:33:23 +02:00
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static void capwap_wtpboarddata_element_free(void* data) {
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struct capwap_wtpboarddata_element* dataelement = (struct capwap_wtpboarddata_element*)data;
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ASSERT(dataelement != NULL);
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ASSERT(dataelement->boardsubelement != NULL);
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capwap_array_free(dataelement->boardsubelement);
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capwap_free(dataelement);
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2013-05-01 14:52:55 +02:00
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}
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/* */
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2013-05-27 21:33:23 +02:00
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static void* capwap_wtpboarddata_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
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2013-05-01 14:52:55 +02:00
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struct capwap_wtpboarddata_element* data;
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2013-05-27 21:33:23 +02:00
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ASSERT(handle != NULL);
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ASSERT(func != NULL);
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if (func->read_ready(handle) < 14) {
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2013-05-01 14:52:55 +02:00
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capwap_logging_debug("Invalid WTP Board Data element");
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return NULL;
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}
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/* */
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data = (struct capwap_wtpboarddata_element*)capwap_alloc(sizeof(struct capwap_wtpboarddata_element));
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2013-05-27 21:33:23 +02:00
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if (!data) {
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capwap_outofmemory();
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}
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memset(data, 0, sizeof(struct capwap_wtpboarddata_element));
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2013-05-01 14:52:55 +02:00
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data->boardsubelement = capwap_array_create(sizeof(struct capwap_wtpboarddata_board_subelement), 0);
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2013-05-27 21:33:23 +02:00
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data->boardsubelement->zeroed = 1;
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/* Retrieve data */
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func->read_u32(handle, &data->vendor);
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/* WTP Board Data Subelement */
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while (func->read_ready(handle) > 0) {
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unsigned short length;
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struct capwap_wtpboarddata_board_subelement* desc = (struct capwap_wtpboarddata_board_subelement*)capwap_array_get_item_pointer(data->boardsubelement, data->boardsubelement->count);
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/* */
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func->read_u16(handle, &desc->type);
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func->read_u16(handle, &desc->length);
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/* Check buffer size */
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length = func->read_ready(handle);
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if ((length > CAPWAP_BOARD_SUBELEMENT_MAXDATA) || (length < desc->length)) {
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2013-05-01 14:52:55 +02:00
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capwap_logging_debug("Invalid WTP Board Data element");
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capwap_wtpboarddata_element_free(data);
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return NULL;
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}
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2013-05-27 21:33:23 +02:00
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func->read_block(handle, desc->data, desc->length);
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2013-05-01 14:52:55 +02:00
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}
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2013-05-27 21:33:23 +02:00
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2013-05-01 14:52:55 +02:00
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return data;
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}
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/* */
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2013-05-27 21:33:23 +02:00
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struct capwap_message_elements_ops capwap_element_wtpboarddata_ops = {
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.create_message_element = capwap_wtpboarddata_element_create,
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.parsing_message_element = capwap_wtpboarddata_element_parsing,
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.free_parsed_message_element = capwap_wtpboarddata_element_free
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};
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