actube/src/cw/cw_read_image_data_request.c

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/*
This file is part of libcapwap.
libcapwap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*@file
*@brief Image Data handling
*/
#include <string.h>
#include "capwap.h"
#include "log.h"
#include "dbg.h"
#include "cw_util.h"
#include <stdio.h>
int cw_readelem_image_identifier(struct cwimage_data *data, int type,uint8_t *msgelem, int len)
{
if (type != CW_ELEM_IMAGE_IDENTIFIER)
return 0;
data->vendor_id = ntohl(*((uint32_t*)msgelem));
if (len >= 1024) {
cw_dbg(DBG_MSG_ERR,"Image identifier too long (>1024), truncating");
len = 1024;
}
if ( data->identifier ){
memcpy(data->identifier,msgelem,len);
*(data->identifier+len)=0;
}
return 1;
}
static int imgdata_request(void * ptr,int type,uint8_t* msgelem,int len)
{
cw_dbg_msgelem(CW_MSG_IMAGE_DATA_REQUEST, type, msgelem, len);
//cw_dbg(DBG_ALL,"Reading image data req msgelem, type=%d - %s ,len=%d\n",type,cw_strelem(type),len);
if (cw_readelem_image_identifier(ptr,type,msgelem,len))
return 1;
return 0;
}
/**
* Read an image data request message
*/
void cw_read_image_data_request(struct cwimage_data *data, uint8_t * msg, int len)
{
cw_foreach_msgelem(msg,len,imgdata_request,data);
}