/* * 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 #include #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 #endif /*Process states for processes cgi*/ #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 #define _MSS1 100 static const char httpd_cgi_headerw[] HTTPD_STRING_ATTR = ""; numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerw); #endif #if WEBSERVER_CONF_HEADER_ICON #define _MSS2 105 static const char httpd_cgi_header1[] HTTPD_STRING_ATTR = "Contiki-nano"; #else #define _MSS2 52 static const char httpd_cgi_header1[] HTTPD_STRING_ATTR = "Contiki-nano"; #endif numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_header1); #if WEBSERVER_CONF_HEADER_MENU #define _MSS3 32 static const char httpd_cgi_headerm1[] HTTPD_STRING_ATTR = "
Front page";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm1);
#if WEBSERVER_CONF_SENSORS
#define _MSS4 34
  static const char httpd_cgi_headerm2[] HTTPD_STRING_ATTR = "|Status";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm2);
#endif
#if WEBSERVER_CONF_TCPSTATS
#define _MSS5 44
  static const char httpd_cgi_headerm3[] HTTPD_STRING_ATTR = "|Network connections";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm3);
#endif
#if WEBSERVER_CONF_PROCESSES
#define _MSS6 46
  static const char httpd_cgi_headerm4[] HTTPD_STRING_ATTR = "|System processes";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm4);
#endif
#if WEBSERVER_CONF_FILESTATS
#define _MSS7 45
  static const char httpd_cgi_headerm5[] HTTPD_STRING_ATTR = "|File statistics";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm5);
#endif
#if WEBSERVER_CONF_TICTACTOE
#define _MSS8 44
  static const char httpd_cgi_headerm6[] HTTPD_STRING_ATTR = "|TicTacToe";
  numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerm6);
#endif
  static const char httpd_cgi_headerme[] HTTPD_STRING_ATTR = "
"; numprinted+=httpd_snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, httpd_cgi_headerme); #endif /* WEBSERVER_CONF_MENU */ #if UIP_RECEIVE_WINDOW < _MSS1+_MSS2+_MSS3_+MSS4_+MSS5_MSS6+_MSS7+_MSS8 #warning ************************************************************ #warning UIP_RECEIVE_WINDOW not large enough for header cgi output. #warning Web pages will not render properly! #warning ************************************************************ #endif 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 = "



This page has been sent %u times"; static const char httpd_cgi_filestat2[] HTTPD_STRING_ATTR = "%s%d"; 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 = "%d"; static const char httpd_cgi_tcpstat2[] HTTPD_STRING_ATTR = "-%u%s%u%u%c %c\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 = "%p%s%p%s\r\n"; char name[40],tstate[20]; strncpy(name, PROCESS_NAME_STRING((struct process *)p), 40); 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 = ""; static const char httpd_cgi_addrf[] HTTPD_STRING_ATTR = "[Room for %u more]"; static const char httpd_cgi_addrb[] HTTPD_STRING_ATTR = "
"; static const char httpd_cgi_addrn[] HTTPD_STRING_ATTR = "(none)
"; #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; isout); 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; isout); 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
"; static const char httpd_cgi_rtes3[] HTTPD_STRING_ATTR = ")
"; uint8_t i,j=0; uint16_t numprinted; numprinted = httpd_snprintf((char *)uip_appdata, uip_mss(),httpd_cgi_addrh); for (i=0; isout); 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 days,h,m,s; unsigned long seconds=clock_seconds(); static const char httpd_cgi_sensor0[] HTTPD_STRING_ATTR = "[Updated %d seconds ago]

"; static const char httpd_cgi_sensor1[] HTTPD_STRING_ATTR = "

Temperature: %s\n";
  static const char httpd_cgi_sensor2[] HTTPD_STRING_ATTR = "Battery    : %s\n";
//  static const char httpd_cgi_sensr12[] HTTPD_STRING_ATTR = "Temperature: %s   Battery: %s
"; static const char httpd_cgi_sensor3[] HTTPD_STRING_ATTR = "Uptime : %02d:%02d:%02d\n"; static const char httpd_cgi_sensor3d[] HTTPD_STRING_ATTR = "Uptime : %u days %02u:%02u:%02u/n"; // static const char httpd_cgi_sensor4[] HTTPD_STRING_ATTR = "Sleeping time : %02d:%02d:%02d (%d%%)
"; 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<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, ""); if (httpd_query[i]=='b') { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, ""); } if ((i==2)||(i==5)) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "
"); } } if ((nx>(no+1))||(no>(nx+1))) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "

You cheated!!!

"); } else if (iwon) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "

I Win!

"); } else if (uwon) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "

You Win!

"); } else if ((nx+no)==9) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "

Draw!

"); } if (iwon||uwon||((nx+no)==9)) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "
Play Again"); } /* If new game give option for me to start */ if ((nx==0)&&(no==0)) { numprinted+=snprintf((char *)uip_appdata+numprinted, uip_mss()-numprinted, "

Let computer move first"); } 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 */