adamdunkels | 9fcf9d6 | 2003-09-04 19:46:32 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001, Adam Dunkels. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by Adam Dunkels. |
| 16 | * 4. The name of the author may not be used to endorse or promote |
| 17 | * products derived from this software without specific prior |
| 18 | * written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| 21 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 24 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 26 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | * This file is part of the uIP TCP/IP stack. |
| 33 | * |
| 34 | * $Id: httpd-cgi.c,v 1.1 2003/09/04 19:46:33 adamdunkels Exp $ |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | /* |
| 39 | * This file includes functions that are called by the web server |
| 40 | * scripts. The functions takes no argument, and the return value is |
| 41 | * interpreted as follows. A zero means that the function did not |
| 42 | * complete and should be invoked for the next packet as well. A |
| 43 | * non-zero value indicates that the function has completed and that |
| 44 | * the web server should move along to the next script line. |
| 45 | * |
| 46 | */ |
| 47 | |
| 48 | #include "uip.h" |
| 49 | #include "httpd.h" |
| 50 | #include "httpd-cgi.h" |
| 51 | #include "httpd-fs.h" |
| 52 | |
| 53 | #include "petsciiconv.h" |
| 54 | |
| 55 | #ifdef __CBM__ |
| 56 | #include <cbm.h> |
| 57 | #include <c64.h> |
| 58 | #endif /* __CBM__ */ |
| 59 | |
| 60 | #include <stdio.h> |
| 61 | #include <string.h> |
| 62 | |
| 63 | #include "sensors.h" |
| 64 | |
| 65 | static u8_t sensors(void); |
| 66 | static u8_t tcp_stats(void); |
| 67 | static u8_t processes(void); |
| 68 | |
| 69 | const httpd_cgifunction httpd_cgitab[3] = { |
| 70 | sensors, /* CGI function "a" */ |
| 71 | tcp_stats, /* CGI function "b" */ |
| 72 | processes, /* CGI function "c" */ |
| 73 | }; |
| 74 | |
| 75 | static const char closed[] = /* "CLOSED",*/ |
| 76 | {0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0}; |
| 77 | static const char syn_rcvd[] = /* "SYN-RCVD",*/ |
| 78 | {0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, |
| 79 | 0x44, 0}; |
| 80 | static const char syn_sent[] = /* "SYN-SENT",*/ |
| 81 | {0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, |
| 82 | 0x54, 0}; |
| 83 | static const char established[] = /* "ESTABLISHED",*/ |
| 84 | {0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, |
| 85 | 0x45, 0x44, 0}; |
| 86 | static const char fin_wait_1[] = /* "FIN-WAIT-1",*/ |
| 87 | {0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, |
| 88 | 0x54, 0x2d, 0x31, 0}; |
| 89 | static const char fin_wait_2[] = /* "FIN-WAIT-2",*/ |
| 90 | {0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, |
| 91 | 0x54, 0x2d, 0x32, 0}; |
| 92 | static const char closing[] = /* "CLOSING",*/ |
| 93 | {0x43, 0x4c, 0x4f, 0x53, 0x49, |
| 94 | 0x4e, 0x47, 0}; |
| 95 | static const char time_wait[] = /* "TIME-WAIT,"*/ |
| 96 | {0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, |
| 97 | 0x49, 0x54, 0}; |
| 98 | static const char last_ack[] = /* "LAST-ACK"*/ |
| 99 | {0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, |
| 100 | 0x4b, 0}; |
| 101 | |
| 102 | static const char * const states[] = { |
| 103 | closed, |
| 104 | syn_rcvd, |
| 105 | syn_sent, |
| 106 | established, |
| 107 | fin_wait_1, |
| 108 | fin_wait_2, |
| 109 | closing, |
| 110 | time_wait, |
| 111 | last_ack}; |
| 112 | |
| 113 | |
| 114 | /*-----------------------------------------------------------------------------------*/ |
| 115 | static u8_t |
| 116 | sensors(void) |
| 117 | { |
| 118 | if(uip_acked()) { |
| 119 | return 1; |
| 120 | } |
| 121 | sprintf((char *)uip_appdata, |
| 122 | "<li>Microphone 0x%x<br><li>Battery 0x%x<br><li>Temp %d<br><li>Extern 0x%x<br>", |
| 123 | sensors_mic, sensors_battery, sensors_temp, sensors_extern); |
| 124 | uip_send(uip_appdata, strlen((char *)uip_appdata)); |
| 125 | return 0; |
| 126 | } |
| 127 | /*-----------------------------------------------------------------------------------*/ |
| 128 | static u8_t |
| 129 | tcp_stats(void) |
| 130 | { |
| 131 | struct uip_conn *conn; |
| 132 | |
| 133 | if(uip_acked()) { |
| 134 | /* If the previously sent data has been acknowledged, we move |
| 135 | forward one connection. */ |
| 136 | if(++hs->count == UIP_CONNS) { |
| 137 | /* If all connections has been printed out, we are done and |
| 138 | return 1. */ |
| 139 | return 1; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | conn = &uip_conns[hs->count]; |
| 144 | while((conn->tcpstateflags & TS_MASK) == CLOSED) { |
| 145 | if(++hs->count == UIP_CONNS) { |
| 146 | /* If all connections has been printed out, we are done and |
| 147 | return 1. */ |
| 148 | return 1; |
| 149 | } |
| 150 | conn = &uip_conns[hs->count]; |
| 151 | } |
| 152 | |
| 153 | sprintf((char *)uip_appdata, |
| 154 | "<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", |
| 155 | htons(conn->lport), |
| 156 | htons(conn->ripaddr[0]) >> 8, |
| 157 | htons(conn->ripaddr[0]) & 0xff, |
| 158 | htons(conn->ripaddr[1]) >> 8, |
| 159 | htons(conn->ripaddr[1]) & 0xff, |
| 160 | htons(conn->rport), |
| 161 | states[conn->tcpstateflags & TS_MASK], |
| 162 | conn->nrtx, |
| 163 | conn->timer, |
| 164 | (uip_outstanding(conn))? '*':' ', |
| 165 | (uip_stopped(conn))? '!':' '); |
| 166 | uip_send(uip_appdata, strlen((char *)uip_appdata)); |
| 167 | |
| 168 | return 0; |
| 169 | } |
| 170 | /*-----------------------------------------------------------------------------------*/ |
| 171 | static u8_t |
| 172 | processes(void) |
| 173 | { |
| 174 | u8_t i; |
| 175 | struct dispatcher_proc *p; |
| 176 | |
| 177 | |
| 178 | p = DISPATCHER_PROCS(); |
| 179 | for(i = 0; i < hs->count; ++i) { |
| 180 | if(p != NULL) { |
| 181 | p = p->next; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | if(uip_acked()) { |
| 186 | /* If the previously sent data has been acknowledged, we move |
| 187 | forward one connection. */ |
| 188 | ++hs->count; |
| 189 | if(p != NULL) { |
| 190 | p = p->next; |
| 191 | } |
| 192 | if(p == NULL) { |
| 193 | /* If all processes have been printed out, we are done and |
| 194 | return 1. */ |
| 195 | return 1; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | sprintf((char *)uip_appdata, |
| 200 | "<tr align=\"center\"><td>%3d</td><td>%s</td><td>0x%04x</td><td>0x%04x</td><td>0x%04x</td></tr>\r\n", |
| 201 | p->id, p->name, |
| 202 | p->idle, p->signalhandler, p->uiphandler); |
| 203 | uip_send(uip_appdata, strlen((char *)uip_appdata)); |
| 204 | return 0; |
| 205 | } |
| 206 | /*-----------------------------------------------------------------------------------*/ |
| 207 | /*-----------------------------------------------------------------------------------*/ |