/** | |
* \addtogroup httpd | |
* @{ | |
*/ | |
/** | |
* \file | |
* 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. | |
* | |
* This file is part of the uIP TCP/IP stack. | |
* | |
* $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $ | |
* | |
*/ | |
#include "uip.h" | |
#include "psock.h" | |
#include "httpd.h" | |
#include "httpd-cgi.h" | |
#include "httpd-fs.h" | |
#include <stdio.h> | |
#include <string.h> | |
HTTPD_CGI_CALL(file, "file-stats", file_stats); | |
HTTPD_CGI_CALL(tcp, "tcp-connections", tcp_stats); | |
HTTPD_CGI_CALL(net, "net-stats", net_stats); | |
HTTPD_CGI_CALL(rtos, "rtos-stats", rtos_stats ); | |
HTTPD_CGI_CALL(io, "led-io", led_io ); | |
static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, &rtos, &io, NULL }; | |
/*---------------------------------------------------------------------------*/ | |
static | |
PT_THREAD(nullfunction(struct httpd_state *s, char *ptr)) | |
{ | |
( void ) ptr; | |
PSOCK_BEGIN(&s->sout); | |
PSOCK_END(&s->sout); | |
} | |
/*---------------------------------------------------------------------------*/ | |
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; | |
} | |
/*---------------------------------------------------------------------------*/ | |
static unsigned short | |
generate_file_stats(void *arg) | |
{ | |
char *f = (char *)arg; | |
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, "%5u", httpd_fs_count(f)); | |
} | |
/*---------------------------------------------------------------------------*/ | |
static | |
PT_THREAD(file_stats(struct httpd_state *s, char *ptr)) | |
{ | |
PSOCK_BEGIN(&s->sout); | |
PSOCK_GENERATOR_SEND(&s->sout, generate_file_stats, strchr(ptr, ' ') + 1); | |
PSOCK_END(&s->sout); | |
} | |
/*---------------------------------------------------------------------------*/ | |
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}; | |
static const char *states[] = { | |
closed, | |
syn_rcvd, | |
syn_sent, | |
established, | |
fin_wait_1, | |
fin_wait_2, | |
closing, | |
time_wait, | |
last_ack}; | |
static unsigned short | |
generate_tcp_stats(void *arg) | |
{ | |
struct uip_conn *conn; | |
struct httpd_state *s = (struct httpd_state *)arg; | |
conn = &uip_conns[s->count]; | |
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, | |
"<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n", | |
htons(conn->lport), | |
htons(conn->ripaddr[0]) >> 8, | |
htons(conn->ripaddr[0]) & 0xff, | |
htons(conn->ripaddr[1]) >> 8, | |
htons(conn->ripaddr[1]) & 0xff, | |
htons(conn->rport), | |
states[conn->tcpstateflags & UIP_TS_MASK], | |
conn->nrtx, | |
conn->timer, | |
(uip_outstanding(conn))? '*':' ', | |
(uip_stopped(conn))? '!':' '); | |
} | |
/*---------------------------------------------------------------------------*/ | |
static | |
PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr)) | |
{ | |
( void ) ptr; | |
PSOCK_BEGIN(&s->sout); | |
for(s->count = 0; s->count < UIP_CONNS; ++s->count) { | |
if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) { | |
PSOCK_GENERATOR_SEND(&s->sout, generate_tcp_stats, s); | |
} | |
} | |
PSOCK_END(&s->sout); | |
} | |
/*---------------------------------------------------------------------------*/ | |
static unsigned short | |
generate_net_stats(void *arg) | |
{ | |
struct httpd_state *s = (struct httpd_state *)arg; | |
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, | |
"%5u\n", ((uip_stats_t *)&uip_stat)[s->count]); | |
} | |
static | |
PT_THREAD(net_stats(struct httpd_state *s, char *ptr)) | |
{ | |
( void ) ptr; | |
PSOCK_BEGIN(&s->sout); | |
#if UIP_STATISTICS | |
for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t); | |
++s->count) { | |
PSOCK_GENERATOR_SEND(&s->sout, generate_net_stats, s); | |
} | |
#endif /* UIP_STATISTICS */ | |
PSOCK_END(&s->sout); | |
} | |
/*---------------------------------------------------------------------------*/ | |
extern void vTaskList( signed char *pcWriteBuffer ); | |
extern unsigned long ulCheckErrors; | |
static char cCountBuf[ 32 ]; | |
long lRefreshCount = 0; | |
static unsigned short | |
generate_rtos_stats(void *arg) | |
{ | |
( void ) arg; | |
lRefreshCount++; | |
sprintf( cCountBuf, "<p><br>Refresh count = %d", lRefreshCount ); | |
vTaskList( uip_appdata ); | |
strcat( uip_appdata, cCountBuf ); | |
/* Have any errors been latched? */ | |
if( ulCheckErrors != 0 ) | |
{ | |
strcat( uip_appdata, "<p><br><p>The check function has detected an error! Error code = " ); | |
sprintf( cCountBuf, "%x", ulCheckErrors ); | |
strcat( uip_appdata, cCountBuf ); | |
} | |
else | |
{ | |
strcat( uip_appdata, "<p><br><p>All tasks are executing with no errors reported.<p>" ); | |
} | |
return strlen( uip_appdata ); | |
} | |
/*---------------------------------------------------------------------------*/ | |
static | |
PT_THREAD(rtos_stats(struct httpd_state *s, char *ptr)) | |
{ | |
( void ) ptr; | |
PSOCK_BEGIN(&s->sout); | |
PSOCK_GENERATOR_SEND(&s->sout, generate_rtos_stats, NULL); | |
PSOCK_END(&s->sout); | |
} | |
/*---------------------------------------------------------------------------*/ | |
char *pcStatus; | |
extern unsigned long uxParTestGetLED( unsigned long uxLED ); | |
static unsigned short generate_io_state( void *arg ) | |
{ | |
( void ) arg; | |
if( uxParTestGetLED( 3 ) ) | |
{ | |
pcStatus = "checked"; | |
} | |
else | |
{ | |
pcStatus = ""; | |
} | |
sprintf( uip_appdata, "<input type=\"checkbox\" name=\"LED3\" value=\"1\" %s>LED", pcStatus ); | |
return strlen( uip_appdata ); | |
} | |
/*---------------------------------------------------------------------------*/ | |
static PT_THREAD(led_io(struct httpd_state *s, char *ptr)) | |
{ | |
( void ) ptr; | |
PSOCK_BEGIN(&s->sout); | |
PSOCK_GENERATOR_SEND(&s->sout, generate_io_state, NULL); | |
PSOCK_END(&s->sout); | |
} | |
/** @} */ | |