nuttx-apps/examples/webserver/cgi.c

110 lines
3.9 KiB
C

/****************************************************************************
* apps/examples/webserver/cgi.c
* Web server script interface
* Author: Adam Dunkels <adam@sics.se>
*
* Copyright (c) 2001-2006, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <nuttx/net/netstats.h>
#include <apps/netutils/httpd.h>
#include "cgi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
HTTPD_CGI_CALL(file, "file-stats", file_stats);
#endif
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
HTTPD_CGI_CALL(net, "net-stats", net_stats);
#endif
/****************************************************************************
* Name: net_stats
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
static void net_stats(struct httpd_state *pstate, char *ptr)
{
char buffer[16];
int i;
for (i = 0; i < sizeof(g_netstats) / sizeof(net_stats_t); i++)
{
snprintf(buffer, 16, "%5u\n", ((net_stats_t *)&g_netstats)[i]);
send(pstate->ht_sockfd, buffer, strlen(buffer), 0);
}
}
#endif
/****************************************************************************
* Name: file_stats
****************************************************************************/
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
static void file_stats(struct httpd_state *pstate, char *ptr)
{
char buffer[16];
char *pcount = strchr(ptr, ' ') + 1;
snprintf(buffer, 16, "%5u", httpd_fs_count(pcount));
send(pstate->ht_sockfd, buffer, strlen(buffer), 0);
}
#endif
/****************************************************************************
* Name: cgi_register
****************************************************************************/
void cgi_register()
{
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
httpd_cgi_register(&file);
#endif
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
httpd_cgi_register(&net);
#endif
}