oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2003, 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. The name of the author may not be used to endorse or promote |
| 14 | * products derived from this software without specific prior |
| 15 | * written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| 18 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 23 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | * |
| 29 | * This file is part of the Contiki desktop OS. |
| 30 | * |
oliverschmidt | 58d4eb2 | 2005-05-08 10:39:08 +0000 | [diff] [blame] | 31 | * $Id: shell.c,v 1.3 2005/05/08 10:39:08 oliverschmidt Exp $ |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 32 | * |
| 33 | */ |
| 34 | |
| 35 | #include "program-handler.h" |
| 36 | #include "loader.h" |
| 37 | #include "cfs.h" |
| 38 | #include "uip.h" |
| 39 | #include "uip_arp.h" |
| 40 | #include "resolv.h" |
| 41 | |
| 42 | #include "shell.h" |
| 43 | |
| 44 | #include <string.h> |
| 45 | |
| 46 | static char showingdir = 0; |
| 47 | static struct cfs_dir dir; |
| 48 | static unsigned int totsize; |
| 49 | |
| 50 | struct ptentry { |
oliverschmidt | 616fa12 | 2005-04-19 23:01:13 +0000 | [diff] [blame] | 51 | char c1; |
| 52 | char c2; |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 53 | void (* pfunc)(char *str); |
| 54 | }; |
| 55 | |
| 56 | /*-----------------------------------------------------------------------------------*/ |
| 57 | static void |
| 58 | parse(register char *str, struct ptentry *t) |
| 59 | { |
| 60 | register struct ptentry *p; |
| 61 | char *sstr; |
| 62 | |
| 63 | sstr = str; |
| 64 | |
| 65 | /* Loop over the parse table entries in t in order to find one that |
| 66 | matches the first character in str. */ |
oliverschmidt | 616fa12 | 2005-04-19 23:01:13 +0000 | [diff] [blame] | 67 | for(p = t; p->c1 != 0; ++p) { |
| 68 | if(*str == p->c1 || *str == p->c2) { |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 69 | /* Skip rest of the characters up to the first space. */ |
| 70 | while(*str != ' ') { |
| 71 | ++str; |
| 72 | } |
| 73 | |
| 74 | /* Skip all spaces.*/ |
| 75 | while(*str == ' ') { |
| 76 | ++str; |
| 77 | } |
| 78 | |
| 79 | /* Call parse table entry function and return. */ |
| 80 | p->pfunc(str); |
| 81 | return; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | /* Did not find matching entry in parse table. We just call the |
| 86 | default handler supplied by the caller and return. */ |
| 87 | p->pfunc(str); |
| 88 | } |
| 89 | /*-----------------------------------------------------------------------------------*/ |
| 90 | static void |
| 91 | inttostr(register char *str, unsigned int i) |
| 92 | { |
| 93 | str[0] = '0' + i / 100; |
| 94 | if(str[0] == '0') { |
| 95 | str[0] = ' '; |
| 96 | } |
| 97 | str[1] = '0' + (i / 10) % 10; |
| 98 | if(str[0] == ' ' && str[1] == '0') { |
| 99 | str[1] = ' '; |
| 100 | } |
| 101 | str[2] = '0' + i % 10; |
| 102 | str[3] = ' '; |
| 103 | str[4] = 0; |
| 104 | } |
| 105 | /*-----------------------------------------------------------------------------------*/ |
| 106 | static void |
| 107 | processes(char *str) |
| 108 | { |
| 109 | static char idstr[5]; |
| 110 | struct ek_proc *p; |
| 111 | |
| 112 | shell_output("Processes:", ""); |
| 113 | /* Step through each possible process ID and see if there is a |
| 114 | matching process. */ |
| 115 | for(p = EK_PROCS(); p != NULL; p = p->next) { |
| 116 | inttostr(idstr, p->id); |
| 117 | shell_output(idstr, (char *)p->name); |
| 118 | } |
| 119 | } |
| 120 | /*-----------------------------------------------------------------------------------*/ |
| 121 | static char * |
| 122 | nullterminate(char *str) |
| 123 | { |
| 124 | char *nt; |
| 125 | |
| 126 | /* Nullterminate string. Start with finding newline character. */ |
| 127 | for(nt = str; *nt != '\r' && |
| 128 | *nt != '\n'; ++nt); |
| 129 | |
| 130 | /* Replace newline with a null char. */ |
| 131 | *nt = 0; |
| 132 | |
| 133 | /* Remove trailing spaces. */ |
| 134 | while(nt > str && *(nt - 1) == ' ') { |
| 135 | *(nt - 1) = 0; |
| 136 | --nt; |
| 137 | } |
| 138 | |
| 139 | /* Return pointer to null char. */ |
| 140 | return nt; |
| 141 | } |
| 142 | /*-----------------------------------------------------------------------------------*/ |
| 143 | static void |
| 144 | runfile(char *str) |
| 145 | { |
| 146 | nullterminate(str); |
| 147 | |
| 148 | if(strlen(str) > 0) { |
| 149 | /* Call loader function. */ |
| 150 | program_handler_load(str, NULL); |
| 151 | shell_output("Starting program ", str); |
| 152 | } else { |
| 153 | shell_output("Must supply a program name", ""); |
| 154 | } |
| 155 | } |
| 156 | /*-----------------------------------------------------------------------------------*/ |
| 157 | static void |
| 158 | execfile(char *str) |
| 159 | { |
| 160 | runfile(str); |
| 161 | shell_quit(NULL); |
| 162 | } |
| 163 | /*-----------------------------------------------------------------------------------*/ |
| 164 | static void |
| 165 | killproc(char *str) |
| 166 | { |
| 167 | char procnum, j, c; |
| 168 | char procstr[5]; |
| 169 | |
| 170 | nullterminate(str); |
| 171 | |
| 172 | procnum = 0; |
| 173 | |
| 174 | for(j = 0; j < 4; ++j) { |
| 175 | c = str[j]; |
| 176 | if(c >= '0' && c <= '9') { |
| 177 | procnum = procnum * 10 + (str[j] - '0'); |
| 178 | } else { |
| 179 | break; |
| 180 | } |
| 181 | } |
| 182 | if(procnum != 0) { |
| 183 | inttostr(procstr, procnum); |
| 184 | shell_output("Killing process ", procstr); |
| 185 | ek_post(procnum, EK_EVENT_REQUEST_EXIT, NULL); |
| 186 | } else { |
| 187 | shell_output("Invalid process number", ""); |
| 188 | } |
| 189 | |
| 190 | } |
| 191 | /*-----------------------------------------------------------------------------------*/ |
| 192 | static void |
| 193 | help(char *str) |
| 194 | { |
| 195 | shell_output("Available commands:", ""); |
| 196 | shell_output("run - start program", ""); |
| 197 | shell_output("exec - start program & exit shell", ""); |
| 198 | shell_output("ps - show processes", ""); |
| 199 | shell_output("kill - kill process", ""); |
| 200 | shell_output("ls - display directory", ""); |
| 201 | shell_output("quit - quit shell", ""); |
| 202 | shell_output("? - show this help", ""); |
| 203 | } |
| 204 | /*-----------------------------------------------------------------------------------*/ |
| 205 | static void |
| 206 | directory(char *str) |
| 207 | { |
oliverschmidt | 58d4eb2 | 2005-05-08 10:39:08 +0000 | [diff] [blame] | 208 | if(cfs_opendir(&dir, ".") != 0) { |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 209 | shell_output("Cannot open directory", ""); |
| 210 | showingdir = 0; |
| 211 | } else { |
| 212 | shell_output("Disk directory:", ""); |
| 213 | showingdir = 1; |
| 214 | totsize = 0; |
| 215 | ek_post(EK_PROC_ID(EK_CURRENT()), EK_EVENT_CONTINUE, NULL); |
| 216 | } |
| 217 | |
| 218 | } |
| 219 | /*-----------------------------------------------------------------------------------*/ |
| 220 | static void |
| 221 | none(char *str) |
| 222 | { |
| 223 | } |
| 224 | /*-----------------------------------------------------------------------------------*/ |
| 225 | static struct ptentry configparsetab[] = |
oliverschmidt | 616fa12 | 2005-04-19 23:01:13 +0000 | [diff] [blame] | 226 | {{'e', 'E', execfile}, |
| 227 | {'r', 'R', runfile}, |
| 228 | {'k', 'K', killproc}, |
| 229 | {'p', 'P', processes}, |
| 230 | {'l', 'L', directory}, |
| 231 | {'q', 'Q', shell_quit}, |
| 232 | {'h', '?', help}, |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 233 | |
| 234 | /* Default action */ |
oliverschmidt | 616fa12 | 2005-04-19 23:01:13 +0000 | [diff] [blame] | 235 | {0, 0, none}}; |
oliverschmidt | a47cab6 | 2005-04-18 23:13:40 +0000 | [diff] [blame] | 236 | /*-----------------------------------------------------------------------------------*/ |
| 237 | void |
| 238 | shell_init(void) |
| 239 | { |
| 240 | } |
| 241 | /*-----------------------------------------------------------------------------------*/ |
| 242 | void |
| 243 | shell_start(void) |
| 244 | { |
| 245 | showingdir = 0; |
| 246 | shell_output("Contiki command shell", ""); |
| 247 | shell_output("Type '?' and return for help", ""); |
| 248 | shell_prompt("contiki> "); |
| 249 | } |
| 250 | /*-----------------------------------------------------------------------------------*/ |
| 251 | void |
| 252 | shell_input(char *cmd) |
| 253 | { |
| 254 | if(showingdir != 0) { |
| 255 | showingdir = 0; |
| 256 | shell_output("Directory stopped", ""); |
| 257 | cfs_closedir(&dir); |
| 258 | } |
| 259 | parse(cmd, configparsetab); |
| 260 | if(showingdir == 0) { |
| 261 | shell_prompt("contiki> "); |
| 262 | } |
| 263 | } |
| 264 | /*-----------------------------------------------------------------------------------*/ |
| 265 | void |
| 266 | shell_eventhandler(ek_event_t ev, ek_data_t data) |
| 267 | { |
| 268 | static struct cfs_dirent dirent; |
| 269 | static char size[10]; |
| 270 | |
| 271 | if(ev == EK_EVENT_CONTINUE) { |
| 272 | if(showingdir != 0) { |
| 273 | if(cfs_readdir(&dir, &dirent) != 0) { |
| 274 | cfs_closedir(&dir); |
| 275 | showingdir = 0; |
| 276 | inttostr(size, totsize); |
| 277 | shell_output("Total number of blocks: ", size); |
| 278 | shell_prompt("contiki> "); |
| 279 | } else { |
| 280 | totsize += dirent.size; |
| 281 | inttostr(size, dirent.size); |
| 282 | shell_output(size, dirent.name); |
| 283 | ek_post(EK_PROC_ID(EK_CURRENT()), EK_EVENT_CONTINUE, NULL); |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | /*-----------------------------------------------------------------------------------*/ |