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osd-contiki/apps/webserver-nano/httpd-cgi.c

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2011-07-24 18:04:41 +02:00
/*
* Copyright (c) 2001, 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.
*
*
*/
/* Line endings in git repository are LF instead of CR-LF ? */
/*
* This file includes functions that are called by the web server
* scripts. The functions takes no argument, and the return value is
* interpreted as follows. A zero means that the function did not
* complete and should be invoked for the next packet as well. A
* non-zero value indicates that the function has completed and that
* the web server should move along to the next script line.
*
*/
#include <stdio.h>
#include <string.h>
#include "contiki-net.h"
#include "httpd.h"
#include "httpd-cgi.h"
#include "httpd-fs.h"
#include "httpd-fsdata.h"
#include "lib/petsciiconv.h"
#include "sensors.h"
/* RADIOSTATS must also be set in clock.c and the radio driver */
#if RF230BB
#define RADIOSTATS 1
#endif
#if WEBSERVER_CONF_CGI
static struct httpd_cgi_call *calls = NULL;
/*cgi function names*/
#if WEBSERVER_CONF_HEADER
static const char hdr_name[] HTTPD_STRING_ATTR = "header";
#endif
#if WEBSERVER_CONF_FILESTATS
static const char file_name[] HTTPD_STRING_ATTR = "file-stats";
#endif
#if WEBSERVER_CONF_TCPSTATS
static const char tcp_name[] HTTPD_STRING_ATTR = "tcp-connections";
#endif
#if WEBSERVER_CONF_PROCESSES
static const char proc_name[] HTTPD_STRING_ATTR = "processes";
#endif
#if WEBSERVER_CONF_SENSORS
static const char sensor_name[] HTTPD_STRING_ATTR = "sensors";
#endif
#if WEBSERVER_CONF_ADDRESSES
static const char adrs_name[] HTTPD_STRING_ATTR = "addresses";
#endif
#if WEBSERVER_CONF_NEIGHBORS
static const char nbrs_name[] HTTPD_STRING_ATTR = "neighbors";
#endif
#if WEBSERVER_CONF_ROUTES
static const char rtes_name[] HTTPD_STRING_ATTR = "routes";
#endif
#if WEBSERVER_CONF_TICTACTOE
static const char tictac_name[] HTTPD_STRING_ATTR = "tictac";
#endif
/*Process states for processes cgi*/
#endif
#if WEBSERVER_CONF_PROCESSES || WEBSERVER_CONF_TCPSTATS
static const char closed[] HTTPD_STRING_ATTR = "CLOSED";
static const char syn_rcvd[] HTTPD_STRING_ATTR = "SYN-RCVD";
static const char syn_sent[] HTTPD_STRING_ATTR = "SYN-SENT";
static const char established[] HTTPD_STRING_ATTR = "ESTABLISHED";
static const char fin_wait_1[] HTTPD_STRING_ATTR = "FIN-WAIT-1";
static const char fin_wait_2[] HTTPD_STRING_ATTR = "FIN-WAIT-2";
static const char closing[] HTTPD_STRING_ATTR = "CLOSING";
static const char time_wait[] HTTPD_STRING_ATTR = "TIME-WAIT";
static const char last_ack[] HTTPD_STRING_ATTR = "LAST-ACK";
static const char none[] HTTPD_STRING_ATTR = "NONE";
static const char running[] HTTPD_STRING_ATTR = "RUNNING";
static const char called[] HTTPD_STRING_ATTR = "CALLED";
static const char *states[] = {
closed,
syn_rcvd,
syn_sent,
established,
fin_wait_1,
fin_wait_2,
closing,
time_wait,
last_ack,
none,
running,
called};
#endif
#if WEBSERVER_CONF_SENSORS
static char sensor_temperature[14]="Not Available";
static char sensor_extvoltage[14]="Not Available";
static unsigned long last_tempupdate;//,last_extvoltageupdate;
// extern unsigned long seconds, sleepseconds;
#if RADIOSTATS
extern unsigned long radioontime;
static unsigned long savedradioontime;
extern uint8_t RF230_radio_on, rf230_last_rssi;
extern uint16_t RF230_sendpackets,RF230_receivepackets,RF230_sendfail,RF230_receivefail;
#endif
#endif
#if 0
void
web_set_temp(char *s)
{
strcpy(sensor_temperature, s);
// printf_P(PSTR("got temp"));
last_tempupdate=seconds;
}
void
web_set_voltage(char *s)
{
strcpy(sensor_extvoltage, s);
// printf_P(PSTR("got volts"));
last_extvoltageupdate=seconds;
}
#endif
#if WEBSERVER_CONF_CGI
/*---------------------------------------------------------------------------*/
static
PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
httpd_cgifunction
httpd_cgi(char *name)
{
struct httpd_cgi_call *f;
/* Find the matching name in the table, return the function. */
for(f = calls; f != NULL; f = f->next) {
if(httpd_strncmp(name, f->name, httpd_strlen(f->name)) == 0) {
return f->function;
}
}
return nullfunction;
}
#if WEBSERVER_CONF_HEADER
/*---------------------------------------------------------------------------*/
static unsigned short
generate_header(void *arg)
{
unsigned short numprinted=0;
#if WEBSERVER_CONF_HEADER_W3C
static const char httpd_cgi_headerw[] HTTPD_STRING_ATTR = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerw);
#endif
#if WEBSERVER_CONF_HEADER_ICON
static const char httpd_cgi_header1[] HTTPD_STRING_ATTR = "<html><head><title>Contiki-nano</title><link rel=\"icon\" href=\"favicon.gif\" type=\"image/gif\"></head><body>";
#else
static const char httpd_cgi_header1[] HTTPD_STRING_ATTR = "<html><head><title>Contiki-nano</title></head><body>";
#endif
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_header1);
#if WEBSERVER_CONF_HEADER_MENU
static const char httpd_cgi_headerm1[] HTTPD_STRING_ATTR = "<pre><a href=\"/\">Front page</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm1);
#if WEBSERVER_CONF_SENSORS
static const char httpd_cgi_headerm2[] HTTPD_STRING_ATTR = "|<a href=\"status.shtml\">Status</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm2);
#endif
#if WEBSERVER_CONF_TCPSTATS
static const char httpd_cgi_headerm3[] HTTPD_STRING_ATTR = "|<a href=\"tcp.shtml\">Network connections</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm3);
#endif
#if WEBSERVER_CONF_PROCESSES
static const char httpd_cgi_headerm4[] HTTPD_STRING_ATTR = "|<a href=\"processes.shtml\">System processes</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm4);
#endif
#if WEBSERVER_CONF_FILESTATS
static const char httpd_cgi_headerm5[] HTTPD_STRING_ATTR = "|<a href=\"files.shtml\">File statistics</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm5);
#endif
#if WEBSERVER_CONF_TICTACTOE
static const char httpd_cgi_headerm6[] HTTPD_STRING_ATTR = "|<a href=\"/ttt/ttt.shtml\">TicTacToe</a>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm6);
#endif
static const char httpd_cgi_headerme[] HTTPD_STRING_ATTR = "</pre>";
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerme);
#endif /* WEBSERVER_CONF_MENU */
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(header(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, generate_header, (void *) ptr);
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_HEADER */
#if WEBSERVER_CONF_FILESTATS
static char *thisfilename; //todo move to s->ptr
/*---------------------------------------------------------------------------*/
static unsigned short
generate_file_stats(void *arg)
{
static const char httpd_cgi_filestat1[] HTTPD_STRING_ATTR = "<p align=\"right\"><br><br><i>This page has been sent %u times</i></body></html>";
static const char httpd_cgi_filestat2[] HTTPD_STRING_ATTR = "<tr><td><a href=\"%s\">%s</a></td><td>%d</td>";
static const char httpd_cgi_filestat3[] HTTPD_STRING_ATTR = "%5u";
char tmp[20];
struct httpd_fsdata_file_noconst *f,fram;
u16_t i;
unsigned short numprinted;
/* Transfer arg from whichever flash that contains the html file to RAM */
httpd_fs_cpy(&tmp, (char *)arg, 20);
/* Count for this page, with common page footer */
if (tmp[0]=='.') {
numprinted=httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_filestat1, httpd_fs_open(thisfilename, 0));
/* Count for all files */
/* Note buffer will overflow if there are too many files! */
} else if (tmp[0]=='*') {
i=0;numprinted=0;
for(f = (struct httpd_fsdata_file_noconst *)httpd_fs_get_root();
f != NULL;
f = (struct httpd_fsdata_file_noconst *)fram.next) {
/* Get the linked list file entry into RAM from from wherever it is*/
httpd_memcpy(&fram,f,sizeof(fram));
/* Get the file name from whatever memory it is in */
httpd_fs_cpy(&tmp, fram.name, sizeof(tmp));
#if WEBSERVER_CONF_FILESTATS==2
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_filestat2, tmp, tmp, f->count);
#else
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_filestat2, tmp, tmp, httpd_filecount[i]);
#endif
i++;
}
/* Count for specified file */
} else {
numprinted=httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_filestat3, httpd_fs_open(tmp, 0));
}
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(file_stats(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
//printf("s->filename is %c%c%c%c%c%c",s->filename[0],s->filename[1],s->filename[2],s->filename[3],s->filename[4],s->filename[5]);
//printf("s->filename string is %s",s->filename);
thisfilename=&s->filename[0]; //temporary way to pass filename to generate_file_stats
// printf("thisfilename is %s",thisfilename); //minimal net wants this
PSOCK_GENERATOR_SEND(&s->sout, generate_file_stats, (void *) ptr);
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_FILESTATS*/
#if WEBSERVER_CONF_TCPSTATS
/*---------------------------------------------------------------------------*/
static unsigned short
make_tcp_stats(void *arg)
{
static const char httpd_cgi_tcpstat1[] HTTPD_STRING_ATTR = "<tr align=\"center\"><td>%d</td><td>";
static const char httpd_cgi_tcpstat2[] HTTPD_STRING_ATTR = "-%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n";
static const char httpd_cgi_tcpstat3[] HTTPD_STRING_ATTR = "[Room for %d more]";
struct uip_conn *conn;
struct httpd_state *s = (struct httpd_state *)arg;
char tstate[20];
uint16_t numprinted;
if (s->u.count==UIP_CONNS){
for(numprinted = 0; numprinted < UIP_CONNS; numprinted++ ) {
if((uip_conns[numprinted].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) s->u.count--;
}
return(httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_tcpstat3, s->u.count));
}
conn = &uip_conns[s->u.count];
numprinted = httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_tcpstat1, uip_htons(conn->lport));
#if WEBSERVER_CONF_PRINTADDR
numprinted += httpd_cgi_sprint_ip6(conn->ripaddr, uip_appdata + numprinted);
#endif
httpd_strcpy(tstate,states[conn->tcpstateflags & UIP_TS_MASK]);
numprinted += httpd_snprintf((char *)uip_appdata + numprinted, uip_mss() - numprinted,
httpd_cgi_tcpstat2,
uip_htons(conn->rport),
tstate,
conn->nrtx,
conn->timer,
(uip_outstanding(conn))? '*':' ',
(uip_stopped(conn))? '!':' ');
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
s->u.count=UIP_CONNS;
PSOCK_GENERATOR_SEND(&s->sout, make_tcp_stats, s);
for(s->u.count = 0; s->u.count < UIP_CONNS; ++s->u.count) {
if((uip_conns[s->u.count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
PSOCK_GENERATOR_SEND(&s->sout, make_tcp_stats, s);
}
}
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_TCPSTATS */
#if WEBSERVER_CONF_PROCESSES
/*---------------------------------------------------------------------------*/
static unsigned short
make_processes(void *p)
{
static const char httpd_cgi_proc[] HTTPD_STRING_ATTR = "<tr align=\"center\"><td>%p</td><td>%s</td><td>%p</td><td>%s</td></tr>\r\n";
char name[40],tstate[20];
#if PROCESS_CONF_NO_PROCESS_NAMES
strcpy(name, "Not Available");
#else
strncpy(name, ((struct process *)p)->name, 40);
#endif
petsciiconv_toascii(name, 40);
httpd_strcpy(tstate,states[9 + ((struct process *)p)->state]);
return httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_proc, p, name,
// *((char **)&(((struct process *)p)->thread)),
*(char **)(&(((struct process *)p)->thread)), //minimal net
tstate);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(processes(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
for(s->u.ptr = PROCESS_LIST(); s->u.ptr != NULL; s->u.ptr = ((struct process *)s->u.ptr)->next) {
PSOCK_GENERATOR_SEND(&s->sout, make_processes, s->u.ptr);
}
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_PROCESSES */
#if WEBSERVER_CONF_ADDRESSES || WEBSERVER_CONF_NEIGHBORS || WEBSERVER_CONF_ROUTES
static const char httpd_cgi_addrh[] HTTPD_STRING_ATTR = "<code>";
static const char httpd_cgi_addrf[] HTTPD_STRING_ATTR = "</code>[Room for %u more]";
static const char httpd_cgi_addrb[] HTTPD_STRING_ATTR = "<br>";
static const char httpd_cgi_addrn[] HTTPD_STRING_ATTR = "(none)<br>";
#endif
#if WEBSERVER_CONF_ADDRESSES
/*---------------------------------------------------------------------------*/
extern uip_ds6_netif_t uip_ds6_if;
static unsigned short
make_addresses(void *p)
{
uint8_t i,j=0;
uint16_t numprinted;
numprinted = httpd_snprintf((char *)uip_appdata, uip_mss(),httpd_cgi_addrh);
for (i=0; i<UIP_DS6_ADDR_NB;i++) {
if (uip_ds6_if.addr_list[i].isused) {
j++;
#if WEBSERVER_CONF_PRINTADDR
numprinted += httpd_cgi_sprint_ip6(uip_ds6_if.addr_list[i].ipaddr, uip_appdata + numprinted);
#endif
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrb);
}
}
//if (j==0) numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrn);
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrf, UIP_DS6_ADDR_NB-j);
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(addresses(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, make_addresses, s->u.ptr);
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_ADDRESSES */
#if WEBSERVER_CONF_NEIGHBORS
extern uip_ds6_nbr_t uip_ds6_nbr_cache[];
/*---------------------------------------------------------------------------*/
static unsigned short
make_neighbors(void *p)
{
uint8_t i,j=0;
uint16_t numprinted;
numprinted = httpd_snprintf((char *)uip_appdata, uip_mss(),httpd_cgi_addrh);
for (i=0; i<UIP_DS6_NBR_NB;i++) {
if (uip_ds6_nbr_cache[i].isused) {
j++;
#if WEBSERVER_CONF_PRINTADDR
numprinted += httpd_cgi_sprint_ip6(uip_ds6_nbr_cache[i].ipaddr, uip_appdata + numprinted);
#endif
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrb);
}
}
//if (j==0) numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrn);
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrf,UIP_DS6_NBR_NB-j);
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(neighbors(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, make_neighbors, s->u.ptr);
PSOCK_END(&s->sout);
}
#endif
#if WEBSERVER_CONF_ROUTES
extern uip_ds6_route_t uip_ds6_routing_table[];
/*---------------------------------------------------------------------------*/
static unsigned short
make_routes(void *p)
{
static const char httpd_cgi_rtes1[] HTTPD_STRING_ATTR = "(%u (via ";
static const char httpd_cgi_rtes2[] HTTPD_STRING_ATTR = ") %lus<br>";
static const char httpd_cgi_rtes3[] HTTPD_STRING_ATTR = ")<br>";
uint8_t i,j=0;
uint16_t numprinted;
numprinted = httpd_snprintf((char *)uip_appdata, uip_mss(),httpd_cgi_addrh);
for (i=0; i<UIP_DS6_ROUTE_NB;i++) {
if (uip_ds6_routing_table[i].isused) {
j++;
#if WEBSERVER_CONF_PRINTADDR
numprinted += httpd_cgi_sprint_ip6(uip_ds6_routing_table[i].ipaddr, uip_appdata + numprinted);
#endif
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_rtes1, uip_ds6_routing_table[i].length);
#if WEBSERVER_CONF_PRINTADDR
numprinted += httpd_cgi_sprint_ip6(uip_ds6_routing_table[i].nexthop, uip_appdata + numprinted);
#endif
if(uip_ds6_routing_table[i].state.lifetime < 3600) {
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_rtes2, (long unsigned int)uip_ds6_routing_table[i].state.lifetime);
} else {
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_rtes3);
}
}
}
if (j==0) numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrn);
numprinted += httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_addrf,UIP_DS6_ROUTE_NB-j);
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(routes(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, make_routes, s->u.ptr);
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_ROUTES */
#if WEBSERVER_CONF_SENSORS
/*---------------------------------------------------------------------------*/
static unsigned short
generate_sensor_readings(void *arg)
{
uint16_t numprinted;
uint16_t h,m,s;
unsigned long seconds=clock_seconds();
// uint8_t p1;
static const char httpd_cgi_sensor0[] HTTPD_STRING_ATTR = "[Updated %d seconds ago]<br><br>";
static const char httpd_cgi_sensor1[] HTTPD_STRING_ATTR = "<em>Temperature:</em> %s<br>";
static const char httpd_cgi_sensor2[] HTTPD_STRING_ATTR = "<em>Battery:</em> %s<br>";
// static const char httpd_cgi_sensr12[] HTTPD_STRING_ATTR = "<em>Temperature:</em> %s <em>Battery:</em> %s<br>";
static const char httpd_cgi_sensor3[] HTTPD_STRING_ATTR = "<em>Elapsed timer :</em> %02d:%02d:%02d<br>";
// static const char httpd_cgi_sensor4[] HTTPD_STRING_ATTR = "<em>Sleeping time :</em> %02d:%02d:%02d (%d%%)<br>";
numprinted=0;
if (last_tempupdate) {
numprinted =httpd_snprintf((char *)uip_appdata, uip_mss(), httpd_cgi_sensor0,(unsigned int) (seconds-last_tempupdate));
}
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_sensor1, sensor_temperature);
#if 0
//Measuring AVcc might be useful to check on battery condition but on ext power it's always 3v3
ADMUX =0x1E; //Select AREF as reference, measure 1.1 volt bandgap reference.
//ADMUX =0x5E; //Select AVCC as reference, measure 1.1 volt bandgap reference.
ADCSRA=0x07; //Enable ADC, not free running, interrupt disabled, clock divider 128 (62 KHz@ 8 MHz)
ADCSRA|=1<<ADSC; //Start throwaway conversion
while (ADCSRA&(1<<ADSC)); //Wait till done
ADCSRA|=1<<ADSC; //Start another conversion
while (ADCSRA&(1<<ADSC)); //Wait till done
h=1131632UL/ADC; //Get supply voltage
#endif
numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_sensor2, sensor_extvoltage);
// numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_sensr12, sensor_temperature,sensor_extvoltage);
#if RADIOSTATS
/* Remember radioontime for display below - slow connection might make it report longer than cpu ontime! */
savedradioontime = radioontime;
#endif
h=seconds/3600;
s=seconds-h*3600;
m=s/60;
s=s-m*60;
numprinted+=httpd_snprintf((char *)uip_appdata + numprinted, uip_mss() - numprinted, httpd_cgi_sensor3, h,m,s);
#if 0
if (sleepseconds) {
p1=100UL*sleepseconds/seconds;
h=sleepseconds/3600;
s=sleepseconds-h*3600;
m=s/60;
s=s-m*60;
numprinted+=httpd_snprintf((char *)uip_appdata + numprinted, uip_mss() - numprinted, httpd_cgi_sensor4, h,m,s,p1);
}
#endif
return numprinted;
}
#if RADIOSTATS
/*---------------------------------------------------------------------------*/
static unsigned short
generate_radio_stats(void *arg)
{
uint16_t numprinted;
uint16_t h,m,s;
uint8_t p1,p2;
unsigned long seconds=clock_seconds();
static const char httpd_cgi_sensor10[] HTTPD_STRING_ATTR = "<em>Radio on time :</em> %02d:%02d:%02d (%d.%02d%%)<br>";
static const char httpd_cgi_sensor11[] HTTPD_STRING_ATTR = "<em>Packets:</em> Tx=%5d Rx=%5d TxL=%5d RxL=%5d RSSI=%2ddBm\n";
s=(10000UL*savedradioontime)/seconds;
p1=s/100;
p2=s-p1*100;
h=savedradioontime/3600;
s=savedradioontime-h*3600;
m=s/60;
s=s-m*60;
numprinted =httpd_snprintf((char *)uip_appdata , uip_mss() , httpd_cgi_sensor10,\
h,m,s,p1,p2);
#if RF230BB
numprinted+=httpd_snprintf((char *)uip_appdata + numprinted, uip_mss() - numprinted, httpd_cgi_sensor11,\
RF230_sendpackets,RF230_receivepackets,RF230_sendfail,RF230_receivefail,-92+rf230_last_rssi);
#else
p1=0;
radio_get_rssi_value(&p1);
p1 = -91*3(p1-1);
numprinted+=httpd_snprintf((char *)uip_appdata + numprinted, uip_mss() - numprinted, httpd_cgi_sensor11,\
RF230_sendpackets,RF230_receivepackets,RF230_sendfail,RF230_receivefail,p1);
#endif
return numprinted;
}
#endif
/*---------------------------------------------------------------------------*/
static
PT_THREAD(sensor_readings(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, generate_sensor_readings, s);
#if RADIOSTATS
PSOCK_GENERATOR_SEND(&s->sout, generate_radio_stats, s);
#endif
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_SENSORS */
#if WEBSERVER_CONF_TICTACTOE
/*---------------------------------------------------------------------------*/
static uint8_t whowon(char x) {
if (httpd_query[0]==x) {
if(((httpd_query[1]==x)&&(httpd_query[2]==x))
|| ((httpd_query[4]==x)&&(httpd_query[8]==x))
|| ((httpd_query[3]==x)&&(httpd_query[6]==x))){
return 1;
}
}
if (httpd_query[1]==x) {
if ((httpd_query[4]==x)&&(httpd_query[7]==x)) {
return 1;
}
}
if (httpd_query[2]==x) {
if(((httpd_query[4]==x)&&(httpd_query[6]==x))
|| ((httpd_query[5]==x)&&(httpd_query[8]==x))){
return 1;
}
}
if (httpd_query[3]==x) {
if ((httpd_query[4]==x)&&(httpd_query[5]==x)) {
return 1;
}
}
if (httpd_query[6]==x) {
if ((httpd_query[7]==x)&&(httpd_query[8]==x)) {
return 1;
}
}
return 0;
}
/*---------------------------------------------------------------------------*/
static unsigned short
make_tictactoe(void *p)
{
uint8_t i,newgame,iwon,uwon,nx,no;
char me,you,locater;
unsigned short numprinted=0;
/* If no query string restart game, else put into proper form */
newgame=0;httpd_query[9]=0;
if ((httpd_query[0]==0)||(httpd_query[0]==' ')) {
newgame=1;
for (i=0;i<9;i++) httpd_query[i]='b';
} else for (i=0;i<9;i++) {
if (!((httpd_query[i]=='x')||(httpd_query[i]=='o'))) {
httpd_query[i]='b';
}
}
/* I am x if I move first, or if number of x's is <= number of o's */
for (nx=0,no=0,i=0;i<9;i++) {
if (httpd_query[i]=='x') nx++;
else if (httpd_query[i]=='o') no++;
}
if ((no>=nx)&&!newgame) {me='x';you='o';}
else {me='o';you='x';};
iwon=whowon(me);
uwon=whowon(you);
if (newgame||iwon||uwon||(nx+no)>=9) goto showboard;
/* Make a move */
if (me=='x') nx++;else no++;
if (httpd_query[4]=='b') httpd_query[4]=me;
else if (httpd_query[0]=='b') httpd_query[0]=me;
else if (httpd_query[2]=='b') httpd_query[2]=me;
else if (httpd_query[6]=='b') httpd_query[6]=me;
else if (httpd_query[8]=='b') httpd_query[8]=me;
else if (httpd_query[1]=='b') httpd_query[1]=me;
else if (httpd_query[3]=='b') httpd_query[3]=me;
else if (httpd_query[5]=='b') httpd_query[5]=me;
else if (httpd_query[7]=='b') httpd_query[7]=me;
/* Did I win? */
iwon=whowon(me);
showboard:
for (i=0;i<9;i++) {
if (i==4) locater='c';
else if ((i==1)||(i==7)) locater='v';
else if ((i==3)||(i==5)) locater='h';
else locater=0;
if ((httpd_query[i]=='b')&&(!(iwon||uwon))) {
httpd_query[i]=you;
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<a href=ttt.shtml?%s><img src=b",httpd_query);
httpd_query[i]='b';
} else {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<img src=%c",httpd_query[i]);
}
if (locater) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "%c",locater);
}
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, ".gif>");
if (httpd_query[i]=='b') {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "</a>");
}
if ((i==2)||(i==5)) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br>");
}
}
if ((nx>(no+1))||(no>(nx+1))) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><h2>You cheated!!!</h2>");
} else if (iwon) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><h2>I Win!</h2>");
} else if (uwon) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><h2>You Win!</h2>");
} else if ((nx+no)==9) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><h2>Draw!</h2>");
}
if (iwon||uwon||((nx+no)==9)) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><a href=ttt.shtml>Play Again</a>");
}
/* If new game give option for me to start */
if ((nx==0)&&(no==0)) {
numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "<br><br><a href=ttt.shtml?bbbbbbbb>Let computer move first</a>");
}
httpd_query[0]=0; //zero the query string
return numprinted;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(tictactoe(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, make_tictactoe, s);
PSOCK_END(&s->sout);
}
#endif /* WEBSERVER_CONF_TICTACTOE */
/*---------------------------------------------------------------------------*/
void
httpd_cgi_add(struct httpd_cgi_call *c)
{
struct httpd_cgi_call *l;
c->next = NULL;
if(calls == NULL) {
calls = c;
} else {
for(l = calls; l->next != NULL; l = l->next);
l->next = c;
}
}
/*---------------------------------------------------------------------------*/
#if WEBSERVER_CONF_HEADER
HTTPD_CGI_CALL( hdr, hdr_name, header );
#endif
#if WEBSERVER_CONF_FILESTATS
HTTPD_CGI_CALL( file, file_name, file_stats );
#endif
#if WEBSERVER_CONF_TCPSTATS
HTTPD_CGI_CALL( tcp, tcp_name, tcp_stats );
#endif
#if WEBSERVER_CONF_PROCESSES
HTTPD_CGI_CALL( proc, proc_name, processes );
#endif
#if WEBSERVER_CONF_ADDRESSES
HTTPD_CGI_CALL( adrs, adrs_name, addresses );
#endif
#if WEBSERVER_CONF_NEIGHBORS
HTTPD_CGI_CALL( nbrs, nbrs_name, neighbors );
#endif
#if WEBSERVER_CONF_ROUTES
HTTPD_CGI_CALL( rtes, rtes_name, routes );
#endif
#if WEBSERVER_CONF_SENSORS
HTTPD_CGI_CALL(sensors, sensor_name, sensor_readings);
#endif
#if WEBSERVER_CONF_TICTACTOE
HTTPD_CGI_CALL( tictac, tictac_name, tictactoe );
#endif
void
httpd_cgi_init(void)
{
#if WEBSERVER_CONF_HEADER
httpd_cgi_add( &hdr);
#endif
#if WEBSERVER_CONF_FILESTATS
httpd_cgi_add( &file);
#endif
#if WEBSERVER_CONF_TCPSTATS
httpd_cgi_add( &tcp);
#endif
#if WEBSERVER_CONF_PROCESSES
httpd_cgi_add( &proc);
#endif
#if WEBSERVER_CONF_ADDRESSES
httpd_cgi_add( &adrs);
#endif
#if WEBSERVER_CONF_NEIGHBORS
httpd_cgi_add( &nbrs);
#endif
#if WEBSERVER_CONF_ROUTES
httpd_cgi_add( &rtes);
#endif
#if WEBSERVER_CONF_SENSORS
httpd_cgi_add(&sensors);
#endif
#if WEBSERVER_CONF_TICTACTOE
httpd_cgi_add( &tictac);
#endif
}
#endif /* WEBSERVER_CONF_CGI */
#if WEBSERVER_CONF_PRINTADDR
/*---------------------------------------------------------------------------*/
uint8_t httpd_cgi_sprint_ip6(uip_ip6addr_t addr, char * result)
{
unsigned char zerocnt = 0;
unsigned char numprinted = 0;
char * starting = result;
unsigned char i = 0;
while (numprinted < 8)
{
//Address is zero, have we used our ability to
//replace a bunch with : yet?
if ((addr.u16[i] == 0) && (zerocnt == 0))
{
//How mant zeros?
zerocnt = 0;
while(addr.u16[zerocnt + i] == 0)
zerocnt++;
//just one, don't waste our zeros...
if (zerocnt == 1)
{
*result++ = '0';
numprinted++;
break;
}
//Cool - can replace a bunch of zeros
i += zerocnt;
numprinted += zerocnt;
}
//Normal address, just print it
else
{
result += sprintf(result, "%x", (unsigned int)(uip_ntohs(addr.u16[i])));
i++;
numprinted++;
}
//Don't print : on last one
if (numprinted != 8)
*result++ = ':';
}
return (result - starting);
}
#endif /* WEBSERVER_CONF_PRINTADDR */
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