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