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zTC1/mico-os/libraries/daemons/http_server/httpd_sys.c

79 lines
2.6 KiB
C

/**
******************************************************************************
* @file httpd_sys.c
* @author QQ DING
* @version V1.0.0
* @date 1-September-2015
* @brief System abstraction layer for the HTTP server. The abstraction provides
* independence from the details of the filesystem used.
******************************************************************************
*
* The MIT License
* Copyright (c) 2014 MXCHIP Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************
*/
#include "httpd.h"
#include "http-strings.h"
#include "httpd_priv.h"
int htsys_getln_soc(int sd, char *data_p, int buflen)
{
int len = 0;
char *c_p;
int result;
// ASSERT(data_p != NULL);
c_p = data_p;
/* Read one byte at a time */
while ((result = httpd_recv(sd, c_p, 1, 0)) != 0) {
/* error on recv */
if (result == -1) {
*c_p = 0;
httpd_d("recv failed len: %d", len);
return -kInProgressErr;
}
/* If new line... */
if ((*c_p == ISO_nl) || (*c_p == ISO_cr)) {
result = httpd_recv(sd, c_p, 1, 0);
if ((*c_p != ISO_nl) && (*c_p != ISO_cr)) {
httpd_d("should get double CR LF: %d, %d",
(int)*c_p, result);
}
break;
}
len++;
c_p++;
/* give up here since we'll at least need 3 more chars to
* finish off the line */
if (len >= buflen - 1) {
httpd_d("buf full: recv didn't read complete line.");
break;
}
}
*c_p = 0;
return len;
}