/****************************************************************************
* httpd_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/compiler.h>
#include <nuttx/net/uip/uip.h>
#include <apps/netutils/httpd.h>
#include "httpd_cgi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void nullfunction(struct httpd_state *pstate, char *ptr);
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
static void net_stats(struct httpd_state *pstate, char *ptr);
#endif
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
static void file_stats(struct httpd_state *pstate, char *ptr);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
#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
static const struct httpd_cgi_call *calls[] =
{
#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
&file,
#endif
#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
&net,
#endif
NULL
};
static const char closed[] = /* "CLOSED",*/
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
static const char syn_rcvd[] = /* "SYN-RCVD",*/
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0};
static const char syn_sent[] = /* "SYN-SENT",*/
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0};
static const char established[] = /* "ESTABLISHED",*/
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0};
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0};
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0};
static const char closing[] = /* "CLOSING",*/
{0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0};
static const char time_wait[] = /* "TIME-WAIT,"*/
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0};
static const char last_ack[] = /* "LAST-ACK"*/
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nullfunction
****************************************************************************/
static void nullfunction(struct httpd_state *pstate, char *ptr)
{
}
/****************************************************************************
* 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(uip_stat) / sizeof(uip_stats_t); i++)
{
snprintf(buffer, 16, "%5u\n", ((uip_stats_t *)&uip_stat)[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));
(void)send(pstate->ht_sockfd, buffer, strlen(buffer), 0);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
httpd_cgifunction httpd_cgi(char *name)
{
const struct httpd_cgi_call **f;
/* Find the matching name in the table, return the function. */
for(f = calls; *f != NULL; ++f)
{
if(strncmp((*f)->name, name, strlen((*f)->name)) == 0)
{
return (*f)->function;
}
}
return nullfunction;
}
