apps/app_followme.c

   1 /*
   2  * Asterisk -- A telephony toolkit for Linux.
   3  *
   4  * A full-featured Find-Me/Follow-Me Application
   5  *
   6  * Copyright (C) 2005-2006, BJ Weschke All Rights Reserved.
   7  *
   8  * BJ Weschke <bweschke@btwtech.com>
   9  *
  10  * This code is released by the author with no restrictions on usage.
  11  *
  12  * See http://www.asterisk.org for more information about
  13  * the Asterisk project. Please do not directly contact
  14  * any of the maintainers of this project for assistance;
  15  * the project provides a web site, mailing lists and IRC
  16  * channels for your use.
  17  *
  18  */
  19
  20 /*! \file
  21  *
  22  * \brief Find-Me Follow-Me application
  23  *
  24  * \author BJ Weschke <bweschke@btwtech.com>
  25  *
  26  * \arg See \ref Config_followme
  27  *
  28  * \ingroup applications
  29  */
  30
  31 #include "asterisk.h"
  32
  33 ASTERISK_FILE_VERSION(__FILE__, "$revision$")
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38 #include <string.h>
  39 #include <signal.h>
  40
  41 #include "asterisk/lock.h"
  42 #include "asterisk/file.h"
  43 #include "asterisk/logger.h"
  44 #include "asterisk/channel.h"
  45 #include "asterisk/pbx.h"
  46 #include "asterisk/options.h"
  47 #include "asterisk/module.h"
  48 #include "asterisk/translate.h"
  49 #include "asterisk/say.h"
  50 #include "asterisk/features.h"
  51 #include "asterisk/musiconhold.h"
  52 #include "asterisk/cli.h"
  53 #include "asterisk/manager.h"
  54 #include "asterisk/config.h"
  55 #include "asterisk/monitor.h"
  56 #include "asterisk/utils.h"
  57 #include "asterisk/causes.h"
  58 #include "asterisk/astdb.h"
  59 #include "asterisk/app.h"
  60
  61 static char *app = "FollowMe";
  62 static char *synopsis =
  63 "Find-Me/Follow-Me.";
  64 static char *descrip =
  65 "  FollowMe(followmeid|options):\n"
  66 "This application performs Find-Me/Follow-Me functionality for the caller\n"
  67 "as defined in the profile matching the <followmeid> parameter in\n"
  68 "followme.conf. If the specified <followmeid> profile doesn't exist in\n"
  69 "followme.conf, execution will be returned to the dialplan and call\n"
  70 "execution will continue at the next priority.\n\n"
  71 "  Options:\n"
  72 "    s    - Playback the incoming status message prior to starting the follow-me step(s)\n"
  73 "    a    - Record the caller's name so it can be announced to the callee on each step\n"
  74 "    n    - Playback the unreachable status message if we've run out of steps to reach the\n"
  75 "           or the callee has elected not to be reachable.\n"
  76
  77
  78 LOCAL_USER_DECL;
  79
  80 struct number {
  81         char number[512];       /*!< Phone Number(s) and/or Extension(s) */
  82         long timeout;           /*!< Dial Timeout, if used. */
  83         int order;              /*!< The order to dial in */
  84         AST_LIST_ENTRY(number) entry; /*!< Next Number record */
  85 };
  86
  87 struct ast_call_followme {
  88         ast_mutex_t lock;
  89         char name[AST_MAX_EXTENSION];   /*!< Name - FollowMeID */
  90         char moh[AST_MAX_CONTEXT];      /*!< Music On Hold Class to be used */
  91         char context[AST_MAX_CONTEXT];  /*!< Context to dial from */
  92         unsigned int active;            /*!< Profile is active (1), or disabled (0). */
  93         char takecall[20];              /*!< Digit mapping to take a call */
  94         char nextindp[20];              /*!< Digit mapping to decline a call */
  95         char callfromprompt[PATH_MAX];
  96         char norecordingprompt[PATH_MAX];
  97         char optionsprompt[PATH_MAX];
  98         char plsholdprompt[PATH_MAX];
  99         char statusprompt[PATH_MAX];
 100         char sorryprompt[PATH_MAX];
 101
 102         AST_LIST_HEAD_NOLOCK(numbers, number) numbers;     /*!< Head of the list of follow-me numbers */
 103         AST_LIST_HEAD_NOLOCK(blnumbers, number) blnumbers; /*!< Head of the list of black-listed numbers */
 104         AST_LIST_HEAD_NOLOCK(wlnumbers, number) wlnumbers; /*!< Head of the list of white-listed numbers */
 105         AST_LIST_ENTRY(ast_call_followme) entry;           /*!< Next Follow-Me record */
 106 };
 107
 108 struct fm_args {
 109         struct ast_channel *chan;
 110         char *mohclass;
 111         AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
 112         int status;
 113         char context[AST_MAX_CONTEXT];
 114         char namerecloc[AST_MAX_CONTEXT];
 115         struct ast_channel *outbound;
 116         char takecall[20];              /*!< Digit mapping to take a call */
 117         char nextindp[20];              /*!< Digit mapping to decline a call */
 118         char callfromprompt[PATH_MAX];
 119         char norecordingprompt[PATH_MAX];
 120         char optionsprompt[PATH_MAX];
 121         char plsholdprompt[PATH_MAX];
 122         char statusprompt[PATH_MAX];
 123         char sorryprompt[PATH_MAX];
 124         struct ast_flags followmeflags;
 125 };
 126
 127 struct findme_user {
 128         struct ast_channel *ochan;
 129         int state;
 130         char dialarg[256];
 131         char yn[10];
 132         int ynidx;
 133         long digts;
 134         int cleared;
 135         AST_LIST_ENTRY(findme_user) entry;
 136 };
 137
 138 enum {
 139         FOLLOWMEFLAG_STATUSMSG = (1 << 0),
 140         FOLLOWMEFLAG_RECORDNAME = (1 << 1),
 141         FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2)
 142 };
 143
 144 AST_APP_OPTIONS(followme_opts, {
 145         AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG ),
 146         AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME ),
 147         AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG ),
 148 });
 149
 150 static int ynlongest = 0;
 151 static char toast[80];
 152 static time_t start_time, answer_time, end_time;
 153
 154 static char *featuredigittostr;
 155 static int featuredigittimeout = 5000;          /*!< Feature Digit Timeout */
 156 static const char *defaultmoh = "default";      /*!< Default Music-On-Hold Class */
 157
 158 static char takecall[20] = "1", nextindp[20] = "2";
 159 static char callfromprompt[PATH_MAX] = "followme/call-from";
 160 static char norecordingprompt[PATH_MAX] = "followme/no-recording";
 161 static char optionsprompt[PATH_MAX] = "followme/followme-options";
 162 static char plsholdprompt[PATH_MAX] = "followme/pls-hold-while-try";
 163 static char statusprompt[PATH_MAX] = "followme/followme-status";
 164 static char sorryprompt[PATH_MAX] = "followme/followme-sorry";
 165
 166
 167 static AST_LIST_HEAD_STATIC(followmes, ast_call_followme);
 168 AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
 169
 170 static void free_numbers(struct ast_call_followme *f)
 171 {
 172         /* Free numbers attached to the profile */
 173         struct number *prev;
 174
 175         while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
 176                 /* Free the number */
 177                 free(prev);
 178         AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
 179
 180         while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
 181                 /* Free the blacklisted number */
 182                 free(prev);
 183         AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
 184
 185         while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
 186                 /* Free the whitelisted number */
 187                 free(prev);
 188         AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
 189
 190 }
 191
 192
 193 static struct ast_call_followme *alloc_profile(const char *fmname)
 194 {
 195         struct ast_call_followme *f;
 196
 197         f = ast_calloc(1, sizeof(*f));
 198         if (f) {
 199                 ast_mutex_init(&f->lock);
 200                 ast_copy_string(f->name, fmname, sizeof(f->name));
 201                 ast_copy_string(f->moh, "", sizeof(f->moh));
 202                 ast_copy_string(f->context, "", sizeof(f->context));
 203                 ast_copy_string(f->takecall, takecall, sizeof(f->takecall));
 204                 ast_copy_string(f->nextindp, nextindp, sizeof(f->nextindp));
 205                 ast_copy_string(f->callfromprompt, callfromprompt, sizeof(f->callfromprompt));
 206                 ast_copy_string(f->norecordingprompt, norecordingprompt, sizeof(f->norecordingprompt));
 207                 ast_copy_string(f->optionsprompt, optionsprompt, sizeof(f->optionsprompt));
 208                 ast_copy_string(f->plsholdprompt, plsholdprompt, sizeof(f->plsholdprompt));
 209                 ast_copy_string(f->statusprompt, statusprompt, sizeof(f->statusprompt));
 210                 ast_copy_string(f->sorryprompt, sorryprompt, sizeof(f->sorryprompt));
 211                 AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
 212                 AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
 213                 AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
 214         }
 215         return f;
 216 }
 217
 218 static void init_profile(struct ast_call_followme *f)
 219 {
 220         f->active = 1;
 221         ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
 222 }
 223
 224
 225
 226 static void profile_set_param(struct ast_call_followme *f, const char *param, const char *val, int linenum, int failunknown)
 227 {
 228
 229         if (!strcasecmp(param, "musicclass") || !strcasecmp(param, "musiconhold") || !strcasecmp(param, "music"))
 230                 ast_copy_string(f->moh, val, sizeof(f->moh));
 231         else if (!strcasecmp(param, "context")) {
 232                 ast_copy_string(f->context, val, sizeof(f->context));
 233         } else if (!strcasecmp(param, "takecall")) {
 234                 ast_copy_string(f->takecall, val, sizeof(f->takecall));
 235         } else if (!strcasecmp(param, "declinecall")) {
 236                 ast_copy_string(f->nextindp, val, sizeof(f->nextindp));
 237         } else if (!strcasecmp(param, "call-from-prompt")) {
 238                 ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
 239         } else if (!strcasecmp(param, "followme-norecording-prompt")) {
 240                 ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
 241         } else if (!strcasecmp(param, "followme-options-prompt")) {
 242                 ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
 243         } else if (!strcasecmp(param, "followme-pls-hold-prompt")) {
 244                 ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
 245         } else if (!strcasecmp(param, "followme-status-prompt")) {
 246                 ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
 247         } else if (!strcasecmp(param, "followme-sorry-prompt")) {
 248                 ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
 249         } else if (failunknown) {
 250                 if (linenum >= 0)
 251                         ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s at line %d of followme.conf\n", f->name, param, linenum);
 252                 else
 253                         ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s\n", f->name, param);
 254         }
 255 }
 256
 257 static struct number *create_followme_number(char *number, int timeout, int numorder)
 258 {
 259         struct number *cur;
 260         char *tmp;
 261
 262         /* Add a new number */
 263
 264         cur = ast_calloc(1, sizeof(*cur));
 265
 266         if (cur) {
 267                 cur->timeout = timeout;
 268                 if ((tmp = strchr(number, ','))) {
 269                         *tmp = '\0';
 270                 }
 271                 ast_copy_string(cur->number, number, sizeof(cur->number));
 272                 cur->order = numorder;
 273                 if (option_debug)
 274                         ast_log(LOG_DEBUG, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
 275         }
 276
 277         return cur;
 278 }
 279
 280 static int reload_followme(void)
 281 {
 282         struct ast_call_followme *f;
 283         struct ast_config *cfg;
 284         char *cat = NULL, *tmp;
 285         struct ast_variable *var;
 286         struct number *cur, *nm;
 287         int new, idx;
 288         char numberstr[90];
 289         int timeout;
 290         char *timeoutstr;
 291         int numorder;
 292         char *takecallstr;
 293         char *declinecallstr;
 294         char *tmpstr;
 295
 296         cfg = ast_config_load("followme.conf");
 297         if (!cfg) {
 298                 ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
 299                 return 0;
 300         }
 301
 302         AST_LIST_LOCK(&followmes);
 303
 304         /* Reset Global Var Values */
 305         featuredigittimeout = 5000;
 306
 307         /* Mark all profiles as inactive for the moment */
 308         AST_LIST_TRAVERSE(&followmes, f, entry) {
 309                 f->active = 0;
 310         }
 311         featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
 312
 313         if (!ast_strlen_zero(featuredigittostr)) {
 314                 if (!sscanf(featuredigittostr, "%d", &featuredigittimeout))
 315                         featuredigittimeout = 5000;
 316         }
 317
 318         takecallstr = ast_variable_retrieve(cfg, "general", "takecall");
 319         if (!ast_strlen_zero(takecallstr))
 320                 ast_copy_string(takecall, takecallstr, sizeof(takecall));
 321
 322         declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall");
 323         if (!ast_strlen_zero(declinecallstr))
 324                 ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
 325
 326         tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt");
 327         if (!ast_strlen_zero(tmpstr))
 328                 ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
 329
 330         tmpstr = ast_variable_retrieve(cfg, "general", "followme-norecording-prompt");
 331         if (!ast_strlen_zero(tmpstr))
 332                 ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
 333
 334         tmpstr = ast_variable_retrieve(cfg, "general", "followme-options-prompt");
 335         if (!ast_strlen_zero(tmpstr))
 336                 ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
 337
 338         tmpstr = ast_variable_retrieve(cfg, "general", "followme-pls-hold-prompt");
 339         if (!ast_strlen_zero(tmpstr))
 340                 ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
 341
 342         tmpstr = ast_variable_retrieve(cfg, "general", "followme-status-prompt");
 343         if (!ast_strlen_zero(tmpstr))
 344                 ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
 345
 346         tmpstr = ast_variable_retrieve(cfg, "general", "followme-sorry-prompt");
 347         if (!ast_strlen_zero(tmpstr))
 348                 ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
 349
 350         /* Chug through config file */
 351         while ((cat = ast_category_browse(cfg, cat))) {
 352                 if (!strcasecmp(cat, "general"))
 353                         continue;
 354                 /* Define a new profile */
 355                 /* Look for an existing one */
 356                 AST_LIST_TRAVERSE(&followmes, f, entry) {
 357                         if (!strcasecmp(f->name, cat))
 358                                 break;
 359                 }
 360                 if (option_debug)
 361                         ast_log(LOG_DEBUG, "New profile %s.\n", cat);
 362                 if (!f) {
 363                         /* Make one then */
 364                         f = alloc_profile(cat);
 365                         new = 1;
 366                 } else
 367                         new = 0;
 368
 369                 if (f) {
 370                         if (!new)
 371                                 ast_mutex_lock(&f->lock);
 372                         /* Re-initialize the profile */
 373                         init_profile(f);
 374                         free_numbers(f);
 375                         var = ast_variable_browse(cfg, cat);
 376                         while(var) {
 377                                 if (!strcasecmp(var->name, "number")) {
 378                                         /* Add a new number */
 379                                         ast_copy_string(numberstr, var->value, sizeof(numberstr));
 380                                         if ((tmp = strchr(numberstr, ','))) {
 381                                                 *tmp = '\0';
 382                                                 tmp++;
 383                                                 timeoutstr = ast_strdupa(tmp);
 384                                                 if ((tmp = strchr(timeoutstr, ','))) {
 385                                                         *tmp = '\0';
 386                                                         tmp++;
 387                                                         numorder = atoi(tmp);
 388                                                         if (numorder < 0)
 389                                                                 numorder = 0;
 390                                                 } else
 391                                                         numorder = 0;
 392                                                 timeout = atoi(timeoutstr);
 393                                                 if (timeout < 0)
 394                                                         timeout = 25;
 395                                         } else {
 396                                                 timeout = 25;
 397                                                 numorder = 0;
 398                                         }
 399
 400                                         if (!numorder) {
 401                                                 idx = 1;
 402                                                 AST_LIST_TRAVERSE(&f->numbers, nm, entry)
 403                                                         idx++;
 404                                                 numorder = idx;
 405                                         }
 406                                         cur = create_followme_number(numberstr, timeout, numorder);
 407                                         AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
 408                                 } else {
 409                                         profile_set_param(f, var->name, var->value, var->lineno, 1);
 410                                         if (option_debug)
 411                                                 ast_log(LOG_DEBUG, "Logging parameter %s with value %s from lineno %d\n", var->name, var->value, var->lineno);
 412                                 }
 413                                 var = var->next;
 414                         } /* End while(var) loop */
 415
 416                         if (!new)
 417                                 ast_mutex_unlock(&f->lock);
 418                         if (new) {
 419                                 AST_LIST_INSERT_HEAD(&followmes, f, entry);
 420                         }
 421                 }
 422         }
 423         ast_config_destroy(cfg);
 424
 425         AST_LIST_UNLOCK(&followmes);
 426
 427         return 1;
 428 }
 429
 430 static void clear_caller(struct findme_user *tmpuser)
 431 {
 432         struct ast_channel *outbound;
 433
 434         if (tmpuser && tmpuser->ochan && tmpuser->state >= 0) {
 435                 outbound = tmpuser->ochan;
 436                 if (!outbound->cdr) {
 437                         outbound->cdr = ast_cdr_alloc();
 438                         if (outbound->cdr)
 439                                 ast_cdr_init(outbound->cdr, outbound);
 440                 }
 441                 if (outbound->cdr) {
 442                         char tmp[256];
 443                         snprintf(tmp, sizeof(tmp), "%s/%s", "Local", tmpuser->dialarg);
 444                         ast_cdr_setapp(outbound->cdr,"FollowMe",tmp);
 445                         ast_cdr_update(outbound);
 446                         ast_cdr_start(outbound->cdr);
 447                         ast_cdr_end(outbound->cdr);
 448                         /* If the cause wasn't handled properly */
 449                         if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
 450                                 ast_cdr_failed(outbound->cdr);
 451                 } else
 452                         ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 453                 ast_hangup(tmpuser->ochan);
 454         }
 455
 456 }
 457
 458 static void clear_calling_tree(struct findme_user_listptr *findme_user_list)
 459 {
 460         struct findme_user *tmpuser;
 461
 462         AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
 463                 clear_caller(tmpuser);
 464                 tmpuser->cleared = 1;
 465         }
 466
 467 }
 468
 469
 470
 471 static struct ast_channel *wait_for_winner(struct findme_user_listptr *findme_user_list, struct number *nm, struct ast_channel *caller, char *namerecloc, int *status, struct fm_args *tpargs)
 472 {
 473         struct ast_channel *watchers[256];
 474         int pos;
 475         struct ast_channel *winner;
 476         struct ast_frame *f;
 477         int ctstatus;
 478         int dg;
 479         struct findme_user *tmpuser;
 480         int to = 0;
 481         int livechannels = 0;
 482         int tmpto;
 483         long totalwait = 0, wtd, towas = 0;
 484         char *callfromname;
 485         char *pressbuttonname;
 486
 487         /* ------------ wait_for_winner_channel start --------------- */
 488
 489         callfromname = ast_strdupa(tpargs->callfromprompt);
 490         pressbuttonname = ast_strdupa(tpargs->optionsprompt);
 491
 492         if (!AST_LIST_EMPTY(findme_user_list))
 493         {
 494                 if (!caller) {
 495                         if (option_verbose > 2)
 496                                 ast_verbose(VERBOSE_PREFIX_3 "Original caller hungup. Cleanup.\n");
 497                         clear_calling_tree(findme_user_list);
 498                         return NULL;
 499                 }
 500                 ctstatus = 0;
 501                 totalwait = nm->timeout * 1000;
 502                 wtd = 0;
 503                 while (!ctstatus) {
 504                         to = 1000;
 505                         pos = 1;
 506                         livechannels = 0;
 507                         watchers[0] = caller;
 508
 509                         dg = 0;
 510                         winner = NULL;
 511                         AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
 512                                 if (tmpuser->state >= 0 && tmpuser->ochan) {
 513                                         if (tmpuser->state == 3) {
 514                                                 tmpuser->digts += (towas - wtd);
 515                                         }
 516                                         if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
 517                                                 if (option_verbose > 2)
 518                                                         ast_verbose(VERBOSE_PREFIX_3 "We've been waiting for digits longer than we should have.\n");
 519                                                 if (!ast_strlen_zero(namerecloc)) {
 520                                                         tmpuser->state = 1;
 521                                                         tmpuser->digts = 0;
 522                                                         if (!ast_streamfile(tmpuser->ochan, callfromname, tmpuser->ochan->language)) {
 523                                                                 ast_sched_runq(tmpuser->ochan->sched);
 524                                                         } else {
 525                                                                 ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
 526                                                                 return NULL;
 527                                                         }
 528                                                 } else {
 529                                                         tmpuser->state = 2;
 530                                                         tmpuser->digts = 0;
 531                                                         if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
 532                                                                 ast_sched_runq(tmpuser->ochan->sched);
 533                                                         else {
 534                                                                 ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
 535                                                                 return NULL;
 536                                                         }
 537                                                 }
 538                                         }
 539                                         if (tmpuser->ochan->stream) {
 540                                                 ast_sched_runq(tmpuser->ochan->sched);
 541                                                 tmpto = ast_sched_wait(tmpuser->ochan->sched);
 542                                                 if (tmpto > 0 && tmpto < to)
 543                                                         to = tmpto;
 544                                                 else if (tmpto < 0 && !tmpuser->ochan->timingfunc) {
 545                                                         ast_stopstream(tmpuser->ochan);
 546                                                         if (tmpuser->state == 1) {
 547                                                                 if (option_verbose > 2)
 548                                                                         ast_verbose(VERBOSE_PREFIX_3 "Playback of the call-from file appears to be done.\n");
 549                                                                 if (!ast_streamfile(tmpuser->ochan, namerecloc, tmpuser->ochan->language)) {
 550                                                                         tmpuser->state = 2;
 551                                                                 } else {
 552                                                                         ast_log(LOG_NOTICE, "Unable to playback %s. Maybe the caller didn't record their name?\n", namerecloc);
 553                                                                         memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
 554                                                                         tmpuser->ynidx = 0;
 555                                                                         if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language))
 556                                                                                 tmpuser->state = 3;
 557                                                                         else {
 558                                                                                 ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
 559                                                                                 return NULL;
 560                                                                         }
 561                                                                 }
 562                                                         } else if (tmpuser->state == 2) {
 563                                                                 if (option_verbose > 2)
 564                                                                         ast_verbose(VERBOSE_PREFIX_3 "Playback of name file appears to be done.\n");
 565                                                                 memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
 566                                                                 tmpuser->ynidx = 0;
 567                                                                 if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language)) {
 568                                                                         tmpuser->state = 3;
 569
 570                                                                 } else {
 571                                                                         return NULL;
 572                                                                 }
 573                                                         } else if (tmpuser->state == 3) {
 574                                                                 if (option_verbose > 2)
 575                                                                         ast_verbose(VERBOSE_PREFIX_3 "Playback of the next step file appears to be done.\n");
 576                                                                 tmpuser->digts = 0;
 577                                                         }
 578                                                 }
 579                                         }
 580                                 watchers[pos++] = tmpuser->ochan;
 581                                 livechannels++;
 582                                 }
 583                         }
 584
 585                         tmpto = to;
 586                         if (to < 0) {
 587                                 to = 1000;
 588                                 tmpto = 1000;
 589                         }
 590                         towas = to;
 591                         winner = ast_waitfor_n(watchers, pos, &to);
 592                         tmpto -= to;
 593                         totalwait -= tmpto;
 594                         wtd = to;
 595                         if (totalwait <= 0) {
 596                                 if (option_verbose > 2)
 597                                         ast_verbose(VERBOSE_PREFIX_3 "We've hit our timeout for this step. Drop everyone and move on to the next one. %ld\n", totalwait);
 598                                 clear_calling_tree(findme_user_list);
 599                                 return NULL;
 600                         }
 601                         if (winner) {
 602                                 /* Need to find out which channel this is */
 603                                 dg = 0;
 604                                 while ((winner != watchers[dg]) && (dg < 256))
 605                                         dg++;
 606                                 AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry)
 607                                         if (tmpuser->ochan == winner)
 608                                                 break;
 609                                 f = ast_read(winner);
 610                                 if (f) {
 611                                         if (f->frametype == AST_FRAME_CONTROL) {
 612                                                 switch(f->subclass) {
 613                                                 case AST_CONTROL_HANGUP:
 614                                                         if (option_verbose > 2)
 615                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s received a hangup frame.\n", winner->name);
 616                                                         if (dg == 0) {
 617                                                                 if (option_verbose > 2)
 618                                                                         ast_verbose( VERBOSE_PREFIX_3 "The calling channel hungup. Need to drop everyone else.\n");
 619                                                                 clear_calling_tree(findme_user_list);
 620                                                                 ctstatus = -1;
 621                                                         }
 622                                                         break;
 623                                                 case AST_CONTROL_ANSWER:
 624                                                         if (option_verbose > 2)
 625                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", winner->name, caller->name);
 626                                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
 627                                                         winner->hangupcause = AST_CAUSE_NORMAL_CLEARING;
 628                                                         caller->hangupcause = AST_CAUSE_NORMAL_CLEARING;
 629                                                         if (option_verbose > 2)
 630                                                                 ast_verbose( VERBOSE_PREFIX_3 "Starting playback of %s\n", callfromname);
 631                                                         if (dg > 0) {
 632                                                                 if (!ast_strlen_zero(namerecloc)) {
 633                                                                         if (!ast_streamfile(winner, callfromname, winner->language)) {
 634                                                                                 ast_sched_runq(winner->sched);
 635                                                                                 tmpuser->state = 1;
 636                                                                         } else {
 637                                                                                 ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
 638                                                                                 ast_frfree(f);
 639                                                                                 return NULL;
 640                                                                         }
 641                                                                 } else {
 642                                                                         tmpuser->state = 2;
 643                                                                         if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
 644                                                                                 ast_sched_runq(tmpuser->ochan->sched);
 645                                                                         else {
 646                                                                                 ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
 647                                                                                 ast_frfree(f);
 648                                                                                 return NULL;
 649                                                                         }
 650                                                                 }
 651                                                         }
 652                                                         break;
 653                                                 case AST_CONTROL_BUSY:
 654                                                         if (option_verbose > 2)
 655                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", winner->name);
 656                                                         break;
 657                                                 case AST_CONTROL_CONGESTION:
 658                                                         if (option_verbose > 2)
 659                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s is circuit-busy\n", winner->name);
 660                                                         break;
 661                                                 case AST_CONTROL_RINGING:
 662                                                         if (option_verbose > 2)
 663                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", winner->name);
 664                                                         break;
 665                                                 case AST_CONTROL_PROGRESS:
 666                                                         if (option_verbose > 2)
 667                                                                 ast_verbose ( VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", winner->name,caller->name);
 668                                                         break;
 669                                                 case AST_CONTROL_VIDUPDATE:
 670                                                         if (option_verbose > 2)
 671                                                                 ast_verbose ( VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", winner->name,caller->name);
 672                                                         break;
 673                                                 case AST_CONTROL_PROCEEDING:
 674                                                         if (option_verbose > 2)
 675                                                                 ast_verbose ( VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", winner->name,caller->name);
 676                                                         break;
 677                                                 case AST_CONTROL_HOLD:
 678                                                         if (option_verbose > 2)
 679                                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", winner->name);
 680                                                         break;
 681                                                 case AST_CONTROL_UNHOLD:
 682                                                         if (option_verbose > 2)
 683                                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", winner->name);
 684                                                         break;
 685                                                 case AST_CONTROL_OFFHOOK:
 686                                                 case AST_CONTROL_FLASH:
 687                                                         /* Ignore going off hook and flash */
 688                                                         break;
 689                                                 case -1:
 690                                                         if (option_verbose > 2)
 691                                                                 ast_verbose( VERBOSE_PREFIX_3 "%s stopped sounds\n", winner->name);
 692                                                         break;
 693                                                 default:
 694                                                         if (option_debug)
 695                                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
 696                                                         break;
 697                                                 }
 698                                         }
 699                                         if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
 700                                                 if (winner->stream)
 701                                                         ast_stopstream(winner);
 702                                                         tmpuser->digts = 0;
 703                                                 if (option_debug)
 704                                                         ast_log(LOG_DEBUG, "DTMF received: %c\n",(char) f->subclass);
 705                                                 tmpuser->yn[tmpuser->ynidx] = (char) f->subclass;
 706                                                 tmpuser->ynidx++;
 707                                                 if (option_debug)
 708                                                         ast_log(LOG_DEBUG, "DTMF string: %s\n", tmpuser->yn);
 709                                                 if (tmpuser->ynidx >= ynlongest) {
 710                                                         if (option_debug)
 711                                                                 ast_log(LOG_DEBUG, "reached longest possible match - doing evals\n");
 712                                                         if (!strcmp(tmpuser->yn, tpargs->takecall)) {
 713                                                                 if (option_debug)
 714                                                                         ast_log(LOG_DEBUG, "Match to take the call!\n");
 715                                                                 ast_frfree(f);
 716                                                                 return tmpuser->ochan;
 717                                                         }
 718                                                         if (!strcmp(tmpuser->yn, tpargs->nextindp)) {
 719                                                                 if (option_debug)
 720                                                                         ast_log(LOG_DEBUG, "Next in dial plan step requested.\n");
 721                                                                 *status = 1;
 722                                                                 ast_frfree(f);
 723                                                                 return NULL;
 724                                                         }
 725
 726                                                 }
 727                                         }
 728
 729                                         ast_frfree(f);
 730                                 } else {
 731                                         if (winner) {
 732                                                 if (option_debug)
 733                                                         ast_log(LOG_DEBUG, "we didn't get a frame. hanging up. dg is %d\n",dg);
 734                                                 if (!dg) {
 735                                                         clear_calling_tree(findme_user_list);
 736                                                         return NULL;
 737                                                 } else {
 738                                                         tmpuser->state = -1;
 739                                                         ast_hangup(winner);
 740                                                         livechannels--;
 741                                                         if (option_debug)
 742                                                                 ast_log(LOG_DEBUG, "live channels left %d\n", livechannels);
 743                                                         if (!livechannels) {
 744                                                                 if (option_verbose > 2)
 745                                                                         ast_verbose(VERBOSE_PREFIX_3 "no live channels left. exiting.\n");
 746                                                                 return NULL;
 747                                                         }
 748                                                 }
 749                                         }
 750                                 }
 751
 752                         } else
 753                                 if (option_debug)
 754                                         ast_log(LOG_DEBUG, "timed out waiting for action\n");
 755                 }
 756
 757         }
 758         else
 759         {
 760                 if (option_verbose > 2)
 761                         ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n");
 762         }
 763
 764         /* --- WAIT FOR WINNER NUMBER END! -----------*/
 765         return NULL;
 766 }
 767
 768 static void findmeexec(struct fm_args *tpargs)
 769 {
 770         struct number *nm;
 771         struct ast_channel *outbound;
 772         struct ast_channel *caller;
 773         struct ast_channel *winner = NULL;
 774         char dialarg[512];
 775         int dg, idx;
 776         char *rest, *number;
 777         struct findme_user *tmpuser;
 778         struct findme_user *fmuser;
 779         struct findme_user *headuser;
 780         struct findme_user_listptr *findme_user_list;
 781         int status;
 782
 783         findme_user_list = ast_calloc(1, sizeof(*findme_user_list));
 784         AST_LIST_HEAD_INIT_NOLOCK(findme_user_list);
 785
 786         /* We're going to figure out what the longest possible string of digits to collect is */
 787         ynlongest = 0;
 788         if (strlen(tpargs->takecall) > ynlongest)
 789                 ynlongest = strlen(tpargs->takecall);
 790         if (strlen(tpargs->nextindp) > ynlongest)
 791                 ynlongest = strlen(tpargs->nextindp);
 792
 793         idx = 1;
 794         caller = tpargs->chan;
 795         AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
 796                 if (nm->order == idx)
 797                         break;
 798
 799         while (nm) {
 800
 801                 if (option_debug)
 802                         ast_log(LOG_DEBUG, "Number %s timeout %ld\n",nm->number,nm->timeout);
 803                 time(&start_time);
 804
 805                 number = ast_strdupa(nm->number);
 806                 if (option_debug)
 807                         ast_log(LOG_DEBUG, "examining %s\n", number);
 808                 do {
 809                         rest = strchr(number, '&');
 810                         if (rest) {
 811                                 *rest = 0;
 812                                 rest++;
 813                         }
 814
 815                         if (!strcmp(tpargs->context, ""))
 816                                 sprintf(dialarg, "%s", number);
 817                         else
 818                                 sprintf(dialarg, "%s@%s", number, tpargs->context);
 819
 820                         tmpuser = ast_calloc(1, sizeof(*tmpuser));
 821                         if (!tmpuser) {
 822                                 ast_log(LOG_WARNING, "Out of memory!\n");
 823                                 return;
 824                         }
 825
 826                         outbound = ast_request("Local", ast_best_codec(caller->nativeformats), dialarg, &dg);
 827                         if (outbound) {
 828                                 ast_set_callerid(outbound, caller->cid.cid_num, caller->cid.cid_name, caller->cid.cid_num);
 829                                 ast_channel_inherit_variables(tpargs->chan, outbound);
 830                                 if (option_verbose > 2)
 831                                         ast_verbose(VERBOSE_PREFIX_3 "calling %s\n", dialarg);
 832                                 if (!ast_call(outbound,dialarg,0)) {
 833                                         tmpuser->ochan = outbound;
 834                                         tmpuser->state = 0;
 835                                         tmpuser->cleared = 0;
 836                                         ast_copy_string(tmpuser->dialarg, dialarg, sizeof(dialarg));
 837                                         AST_LIST_INSERT_TAIL(findme_user_list, tmpuser, entry);
 838                                 } else {
 839                                         if (option_verbose > 2)
 840                                                 ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n");
 841                                         if (outbound) {
 842                                                 if (!outbound->cdr) {
 843                                                         outbound->cdr = ast_cdr_alloc();
 844                                                 }
 845                                                 if (outbound->cdr) {
 846                                                         char tmp[256];
 847                                                         ast_cdr_init(outbound->cdr, outbound);
 848                                                         snprintf(tmp, sizeof(tmp), "%s/%s", "Local", dialarg);
 849                                                         ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
 850                                                         ast_cdr_update(outbound);
 851                                                         ast_cdr_start(outbound->cdr);
 852                                                         ast_cdr_end(outbound->cdr);
 853                                                         /* If the cause wasn't handled properly */
 854                                                         if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
 855                                                                 ast_cdr_failed(outbound->cdr);
 856                                                 } else {
 857                                                         ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
 858                                                         ast_hangup(outbound);
 859                                                         outbound = NULL;
 860                                                 }
 861                                         }
 862
 863                                 }
 864                         } else
 865                                 ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n", dialarg, ast_cause2str(dg));
 866
 867                         number = rest;
 868                 } while (number);
 869
 870                 status = 0;
 871                 if (!AST_LIST_EMPTY(findme_user_list))
 872                         winner = wait_for_winner(findme_user_list, nm, caller, tpargs->namerecloc, &status, tpargs);
 873
 874
 875                 AST_LIST_TRAVERSE_SAFE_BEGIN(findme_user_list, fmuser, entry) {
 876                         if (!fmuser->cleared && fmuser->ochan != winner)
 877                                 clear_caller(fmuser);
 878                         AST_LIST_REMOVE_CURRENT(findme_user_list, entry);
 879                         free(fmuser);
 880                 }
 881                 AST_LIST_TRAVERSE_SAFE_END
 882                 fmuser = NULL;
 883                 tmpuser = NULL;
 884                 headuser = NULL;
 885                 if (winner)
 886                         break;
 887
 888                 if (!caller) {
 889                         tpargs->status = 1;
 890                         return;
 891                 }
 892
 893                 idx++;
 894                 AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
 895                         if (nm->order == idx)
 896                                 break;
 897
 898         }
 899         free(findme_user_list);
 900         if (!winner)
 901                 tpargs->status = 1;
 902         else {
 903                 tpargs->status = 100;
 904                 tpargs->outbound = winner;
 905         }
 906
 907
 908         return;
 909
 910 }
 911
 912 static int app_exec(struct ast_channel *chan, void *data)
 913 {
 914         struct fm_args targs;
 915         struct ast_bridge_config config;
 916         struct ast_call_followme *f;
 917         struct number *nm, *newnm;
 918         int res = 0;
 919         struct localuser *u;
 920         char *argstr;
 921         char namerecloc[255];
 922         int duration = 0;
 923         struct ast_channel *caller;
 924         struct ast_channel *outbound;
 925
 926         AST_DECLARE_APP_ARGS(args,
 927                 AST_APP_ARG(followmeid);
 928                 AST_APP_ARG(options);
 929         );
 930
 931         if (!(argstr = ast_strdupa((char *)data))) {
 932                 ast_log(LOG_ERROR, "Out of memory!\n");
 933                 return -1;
 934         }
 935
 936         if (!data) {
 937                 ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n",app);
 938                 return -1;
 939         }
 940
 941         LOCAL_USER_ADD(u);
 942
 943         AST_STANDARD_APP_ARGS(args, argstr);
 944
 945         if (!ast_strlen_zero(args.followmeid))
 946
 947                         AST_LIST_LOCK(&followmes);
 948                         AST_LIST_TRAVERSE(&followmes, f, entry) {
 949                                 if (!strcasecmp(f->name, args.followmeid) && (f->active))
 950                                         break;
 951                         }
 952                         AST_LIST_UNLOCK(&followmes);
 953
 954                         if (option_debug)
 955                                 ast_log(LOG_DEBUG, "New profile %s.\n", args.followmeid);
 956                         if (!f)
 957                         {
 958                                 ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.", args.followmeid);
 959                                 res = -1;
 960                         }
 961                         else
 962                         {
 963
 964                                 /* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */
 965
 966
 967                                 if (args.options) {
 968                                         ast_app_parse_options(followme_opts, &targs.followmeflags, NULL, args.options);
 969                                 }
 970
 971                                 /* Lock the profile lock and copy out everything we need to run with before unlocking it again */
 972                                 ast_mutex_lock(&f->lock);
 973                                 targs.mohclass = ast_strdupa(f->moh);
 974                                 ast_copy_string(targs.context, f->context, sizeof(targs.context));
 975                                 ast_copy_string(targs.takecall, f->takecall, sizeof(targs.takecall));
 976                                 ast_copy_string(targs.nextindp, f->nextindp, sizeof(targs.nextindp));
 977                                 ast_copy_string(targs.callfromprompt, f->callfromprompt, sizeof(targs.callfromprompt));
 978                                 ast_copy_string(targs.norecordingprompt, f->norecordingprompt, sizeof(targs.norecordingprompt));
 979                                 ast_copy_string(targs.optionsprompt, f->optionsprompt, sizeof(targs.optionsprompt));
 980                                 ast_copy_string(targs.plsholdprompt, f->plsholdprompt, sizeof(targs.plsholdprompt));
 981                                 ast_copy_string(targs.statusprompt, f->statusprompt, sizeof(targs.statusprompt));
 982                                 ast_copy_string(targs.sorryprompt, f->sorryprompt, sizeof(targs.sorryprompt));
 983                                 /* Copy the numbers we're going to use into another list in case the master list should get modified
 984                                    (and locked) while we're trying to do a follow-me */
 985                                 AST_LIST_HEAD_INIT_NOLOCK(&targs.cnumbers);
 986                                 AST_LIST_TRAVERSE(&f->numbers, nm, entry) {
 987                                         newnm = create_followme_number(nm->number, nm->timeout, nm->order);
 988                                         AST_LIST_INSERT_TAIL(&targs.cnumbers, newnm, entry);
 989                                 }
 990                                 ast_mutex_unlock(&f->lock);
 991
 992                                 if (targs.followmeflags.flags & FOLLOWMEFLAG_STATUSMSG)
 993                                         ast_stream_and_wait(chan, targs.statusprompt, chan->language, "");
 994
 995                                 snprintf(namerecloc,sizeof(namerecloc),"%s/followme.%s",ast_config_AST_SPOOL_DIR,chan->uniqueid);
 996                                 duration = 5;
 997
 998                                 if (targs.followmeflags.flags & FOLLOWMEFLAG_RECORDNAME)
 999                                         if (ast_play_and_record(chan, "vm-rec-name", namerecloc, 5, "sln", &duration, 128, 0, NULL) < 0)
1000                                                 goto outrun;
1001
1002                                 /* The following call looks like we're going to playback the file, but we're actually   */
1003                                 /* just checking to see if we *can* play it.                                            */
1004                                 if (ast_streamfile(chan, namerecloc, chan->language))
1005                                         ast_copy_string(namerecloc, "", sizeof(namerecloc));
1006                                 else
1007                                         ast_stopstream(chan);
1008
1009                                 if (ast_streamfile(chan, targs.plsholdprompt, chan->language))
1010                                         goto outrun;
1011                                 if (ast_waitstream(chan, "") < 0)
1012                                         goto outrun;
1013                                 ast_moh_start(chan, S_OR(targs.mohclass, NULL), NULL);
1014
1015
1016                                 targs.status = 0;
1017                                 targs.chan = chan;
1018
1019                                 ast_copy_string(targs.namerecloc, namerecloc, sizeof(targs.namerecloc));
1020
1021                                 findmeexec(&targs);
1022
1023                                 AST_LIST_TRAVERSE_SAFE_BEGIN(&targs.cnumbers, nm, entry)        {
1024                                         AST_LIST_REMOVE_CURRENT(&targs.cnumbers, entry);
1025                                         free(nm);
1026                                 }
1027                                 AST_LIST_TRAVERSE_SAFE_END
1028
1029                                 if (!ast_strlen_zero(namerecloc))
1030                                         unlink(namerecloc);
1031
1032                                 if (targs.status != 100)
1033                                 {
1034                                         ast_moh_stop(chan);
1035                                         if (targs.followmeflags.flags & FOLLOWMEFLAG_UNREACHABLEMSG)
1036                                                 ast_stream_and_wait(chan, targs.sorryprompt, chan->language, "");
1037                                         res = 0;
1038                                 }
1039                                 else
1040                                 {
1041
1042                                         caller = chan;
1043                                         outbound = targs.outbound;
1044                                         /* Bridge the two channels. */
1045
1046                                         memset(&config,0,sizeof(struct ast_bridge_config));
1047                                         ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1048                                         ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1049                                         ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1050
1051                                         ast_moh_stop(caller);
1052                                         /* Be sure no generators are left on it */
1053                                         ast_deactivate_generator(caller);
1054                                         /* Make sure channels are compatible */
1055                                         res = ast_channel_make_compatible(caller, outbound);
1056                                         if (res < 0) {
1057                                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", caller->name, outbound->name);
1058                                                 ast_hangup(outbound);
1059                                                 goto outrun;
1060                                         }
1061                                         time(&answer_time);
1062                                         res = ast_bridge_call(caller,outbound,&config);
1063                                         time(&end_time);
1064                                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1065                                         pbx_builtin_setvar_helper(caller, "DIALEDTIME", toast);
1066                                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1067                                         pbx_builtin_setvar_helper(caller, "ANSWEREDTIME", toast);
1068                                         if (outbound)
1069                                                 ast_hangup(outbound);
1070                                         res = 1;
1071
1072                                 }
1073
1074                         }
1075         outrun:
1076
1077         LOCAL_USER_REMOVE(u);
1078         return res;
1079 }
1080
1081 static int unload_module(void *mod)
1082 {
1083         struct ast_call_followme *f;
1084         STANDARD_HANGUP_LOCALUSERS;
1085         ast_unregister_application(app);
1086         /* Free Memory. Yeah! I'm free! */
1087         AST_LIST_LOCK(&followmes);
1088         AST_LIST_TRAVERSE_SAFE_BEGIN(&followmes, f, entry) {
1089                 free_numbers(f);
1090                 AST_LIST_REMOVE_CURRENT(&followmes, entry);
1091                 free(f);
1092         }
1093         AST_LIST_TRAVERSE_SAFE_END
1094         AST_LIST_UNLOCK(&followmes);
1095         return 0;
1096 }
1097
1098 static int load_module(void *mod)
1099 {
1100         reload_followme();
1101         return ast_register_application(app, app_exec, synopsis, descrip);
1102 }
1103
1104 static const char *description(void)
1105 {
1106         return "Find-Me/Follow-Me Application";
1107 }
1108
1109 static int reload(void *mod)
1110 {
1111         reload_followme();
1112         return 0;
1113 }
1114
1115 static const char *key(void)
1116 {
1117         return ASTERISK_GPL_KEY;
1118 }
1119
1120 STD_MOD(MOD_1, reload, NULL, NULL);