Sat Aug 6 00:39:20 2011

Asterisk developer's documentation


app_followme.c

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00001 /*
00002  * Asterisk -- A telephony toolkit for Linux.
00003  *
00004  * A full-featured Find-Me/Follow-Me Application
00005  * 
00006  * Copyright (C) 2005-2006, BJ Weschke All Rights Reserved.
00007  *
00008  * BJ Weschke <bweschke@btwtech.com>
00009  *
00010  * This code is released by the author with no restrictions on usage.
00011  *
00012  * See http://www.asterisk.org for more information about
00013  * the Asterisk project. Please do not directly contact
00014  * any of the maintainers of this project for assistance;
00015  * the project provides a web site, mailing lists and IRC
00016  * channels for your use.
00017  *
00018  */
00019 
00020 /*! \file
00021  *
00022  * \brief Find-Me Follow-Me application
00023  *
00024  * \author BJ Weschke <bweschke@btwtech.com>
00025  *
00026  * \arg See \ref Config_followme
00027  *
00028  * \ingroup applications
00029  */
00030 
00031 /*** MODULEINFO
00032         <depend>chan_local</depend>
00033  ***/
00034 
00035 #include "asterisk.h"
00036 
00037 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 297689 $")
00038 
00039 #include <stdio.h>
00040 #include <stdlib.h>
00041 #include <unistd.h>
00042 #include <string.h>
00043 #include <signal.h>
00044 
00045 #include "asterisk/lock.h"
00046 #include "asterisk/file.h"
00047 #include "asterisk/logger.h"
00048 #include "asterisk/channel.h"
00049 #include "asterisk/pbx.h"
00050 #include "asterisk/options.h"
00051 #include "asterisk/module.h"
00052 #include "asterisk/translate.h"
00053 #include "asterisk/say.h"
00054 #include "asterisk/features.h"
00055 #include "asterisk/musiconhold.h"
00056 #include "asterisk/cli.h"
00057 #include "asterisk/manager.h"
00058 #include "asterisk/config.h"
00059 #include "asterisk/monitor.h"
00060 #include "asterisk/utils.h"
00061 #include "asterisk/causes.h"
00062 #include "asterisk/astdb.h"
00063 #include "asterisk/app.h"
00064 
00065 static char *app = "FollowMe";
00066 static char *synopsis = "Find-Me/Follow-Me application";
00067 static char *descrip = 
00068 "  FollowMe(followmeid|options):\n"
00069 "This application performs Find-Me/Follow-Me functionality for the caller\n"
00070 "as defined in the profile matching the <followmeid> parameter in\n"
00071 "followme.conf. If the specified <followmeid> profile doesn't exist in\n"
00072 "followme.conf, execution will be returned to the dialplan and call\n"
00073 "execution will continue at the next priority.\n\n"
00074 "  Options:\n"
00075 "    s    - Playback the incoming status message prior to starting the follow-me step(s)\n"
00076 "    a    - Record the caller's name so it can be announced to the callee on each step\n" 
00077 "    n    - Playback the unreachable status message if we've run out of steps to reach the\n"
00078 "           or the callee has elected not to be reachable.\n"
00079 "Returns -1 on hangup\n";
00080 
00081 /*! \brief Number structure */
00082 struct number {
00083    char number[512]; /*!< Phone Number(s) and/or Extension(s) */
00084    long timeout;     /*!< Dial Timeout, if used. */
00085    char language[MAX_LANGUAGE]; /*!< The language to be used on this dial, if used. */
00086    int order;     /*!< The order to dial in */
00087    AST_LIST_ENTRY(number) entry; /*!< Next Number record */
00088 };
00089 
00090 /*! \brief Data structure for followme scripts */
00091 struct call_followme {
00092    ast_mutex_t lock;
00093    char name[AST_MAX_EXTENSION]; /*!< Name - FollowMeID */
00094    char moh[AST_MAX_CONTEXT]; /*!< Music On Hold Class to be used */
00095    char context[AST_MAX_CONTEXT];  /*!< Context to dial from */
00096    unsigned int active;    /*!< Profile is active (1), or disabled (0). */
00097    char takecall[20];      /*!< Digit mapping to take a call */
00098    char nextindp[20];      /*!< Digit mapping to decline a call */
00099    char callfromprompt[PATH_MAX];   /*!< Sound prompt name and path */
00100    char norecordingprompt[PATH_MAX];   /*!< Sound prompt name and path */
00101    char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
00102    char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
00103    char statusprompt[PATH_MAX];  /*!< Sound prompt name and path */
00104    char sorryprompt[PATH_MAX];   /*!< Sound prompt name and path */
00105 
00106    AST_LIST_HEAD_NOLOCK(numbers, number) numbers;     /*!< Head of the list of follow-me numbers */
00107    AST_LIST_HEAD_NOLOCK(blnumbers, number) blnumbers; /*!< Head of the list of black-listed numbers */
00108    AST_LIST_HEAD_NOLOCK(wlnumbers, number) wlnumbers; /*!< Head of the list of white-listed numbers */
00109    AST_LIST_ENTRY(call_followme) entry;           /*!< Next Follow-Me record */
00110 };
00111 
00112 struct fm_args {
00113    struct ast_channel *chan;
00114    char *mohclass;
00115    AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
00116    int status;
00117    char context[AST_MAX_CONTEXT];
00118    char namerecloc[AST_MAX_CONTEXT];
00119    struct ast_channel *outbound;
00120    char takecall[20];      /*!< Digit mapping to take a call */
00121    char nextindp[20];      /*!< Digit mapping to decline a call */
00122    char callfromprompt[PATH_MAX];   /*!< Sound prompt name and path */
00123    char norecordingprompt[PATH_MAX];   /*!< Sound prompt name and path */
00124    char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
00125    char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
00126    char statusprompt[PATH_MAX];  /*!< Sound prompt name and path */
00127    char sorryprompt[PATH_MAX];   /*!< Sound prompt name and path */
00128    struct ast_flags followmeflags;
00129 };
00130 
00131 struct findme_user {
00132    struct ast_channel *ochan;
00133    int state;
00134    char dialarg[256];
00135    char yn[10];
00136    int ynidx; 
00137    long digts;
00138    int cleared;
00139    AST_LIST_ENTRY(findme_user) entry;  
00140 };
00141 
00142 enum {
00143    FOLLOWMEFLAG_STATUSMSG = (1 << 0),
00144    FOLLOWMEFLAG_RECORDNAME = (1 << 1),
00145    FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2)
00146 };
00147 
00148 AST_APP_OPTIONS(followme_opts, {
00149    AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG ),
00150    AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME ),
00151    AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG ),
00152 });
00153 
00154 static int ynlongest = 0;
00155 
00156 static const char *featuredigittostr;
00157 static int featuredigittimeout = 5000;    /*!< Feature Digit Timeout */
00158 static const char *defaultmoh = "default";      /*!< Default Music-On-Hold Class */
00159 
00160 static char takecall[20] = "1", nextindp[20] = "2";
00161 static char callfromprompt[PATH_MAX] = "followme/call-from";
00162 static char norecordingprompt[PATH_MAX] = "followme/no-recording";
00163 static char optionsprompt[PATH_MAX] = "followme/options";
00164 static char plsholdprompt[PATH_MAX] = "followme/pls-hold-while-try";
00165 static char statusprompt[PATH_MAX] = "followme/status";
00166 static char sorryprompt[PATH_MAX] = "followme/sorry";
00167 
00168 
00169 static AST_LIST_HEAD_STATIC(followmes, call_followme);
00170 AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
00171 
00172 static void free_numbers(struct call_followme *f)
00173 {
00174    /* Free numbers attached to the profile */
00175    struct number *prev;
00176 
00177    while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
00178       /* Free the number */
00179       free(prev);
00180    AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
00181 
00182    while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
00183       /* Free the blacklisted number */
00184       free(prev);
00185    AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
00186 
00187    while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
00188       /* Free the whitelisted number */
00189       free(prev);
00190    AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
00191    
00192 }
00193 
00194 
00195 /*! \brief Allocate and initialize followme profile */
00196 static struct call_followme *alloc_profile(const char *fmname)
00197 {
00198    struct call_followme *f;
00199 
00200    if (!(f = ast_calloc(1, sizeof(*f))))
00201       return NULL;
00202 
00203    ast_mutex_init(&f->lock);
00204    ast_copy_string(f->name, fmname, sizeof(f->name));
00205    f->moh[0] = '\0';
00206    f->context[0] = '\0';
00207    ast_copy_string(f->takecall, takecall, sizeof(f->takecall));
00208    ast_copy_string(f->nextindp, nextindp, sizeof(f->nextindp));
00209    ast_copy_string(f->callfromprompt, callfromprompt, sizeof(f->callfromprompt));
00210    ast_copy_string(f->norecordingprompt, norecordingprompt, sizeof(f->norecordingprompt));
00211    ast_copy_string(f->optionsprompt, optionsprompt, sizeof(f->optionsprompt));
00212    ast_copy_string(f->plsholdprompt, plsholdprompt, sizeof(f->plsholdprompt));
00213    ast_copy_string(f->statusprompt, statusprompt, sizeof(f->statusprompt));
00214    ast_copy_string(f->sorryprompt, sorryprompt, sizeof(f->sorryprompt));
00215    AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
00216    AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
00217    AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
00218    return f;
00219 }
00220 
00221 static void init_profile(struct call_followme *f)
00222 {
00223    f->active = 1;
00224    ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
00225 }
00226 
00227    
00228    
00229 /*! \brief Set parameter in profile from configuration file */
00230 static void profile_set_param(struct call_followme *f, const char *param, const char *val, int linenum, int failunknown)
00231 {
00232 
00233    if (!strcasecmp(param, "musicclass") || !strcasecmp(param, "musiconhold") || !strcasecmp(param, "music")) 
00234       ast_copy_string(f->moh, val, sizeof(f->moh));
00235    else if (!strcasecmp(param, "context")) 
00236       ast_copy_string(f->context, val, sizeof(f->context));
00237    else if (!strcasecmp(param, "takecall"))
00238       ast_copy_string(f->takecall, val, sizeof(f->takecall));
00239    else if (!strcasecmp(param, "declinecall"))
00240       ast_copy_string(f->nextindp, val, sizeof(f->nextindp));
00241    else if (!strcasecmp(param, "call-from-prompt"))
00242       ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
00243    else if (!strcasecmp(param, "followme-norecording-prompt")) 
00244       ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
00245    else if (!strcasecmp(param, "followme-options-prompt")) 
00246       ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
00247    else if (!strcasecmp(param, "followme-pls-hold-prompt"))
00248       ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
00249    else if (!strcasecmp(param, "followme-status-prompt")) 
00250       ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
00251    else if (!strcasecmp(param, "followme-sorry-prompt")) 
00252       ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
00253    else if (failunknown) {
00254       if (linenum >= 0)
00255          ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s at line %d of followme.conf\n", f->name, param, linenum);
00256       else
00257          ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s\n", f->name, param);
00258    }
00259 }
00260 
00261 /*! \brief Add a new number */
00262 static struct number *create_followme_number(char *number, char *language, int timeout, int numorder)
00263 {
00264    struct number *cur;
00265    char *tmp;
00266    
00267 
00268    if (!(cur = ast_calloc(1, sizeof(*cur))))
00269       return NULL;
00270 
00271    cur->timeout = timeout;
00272    if ((tmp = strchr(number, ','))) 
00273       *tmp = '\0';
00274    ast_copy_string(cur->number, number, sizeof(cur->number));
00275    ast_copy_string(cur->language, language, sizeof(cur->language));
00276    cur->order = numorder;
00277    if (option_debug)
00278       ast_log(LOG_DEBUG, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
00279 
00280    return cur;
00281 }
00282 
00283 /*! \brief Reload followme application module */
00284 static int reload_followme(void)
00285 {
00286    struct call_followme *f;
00287    struct ast_config *cfg;
00288    char *cat = NULL, *tmp;
00289    struct ast_variable *var;
00290    struct number *cur, *nm;
00291    int new, idx;
00292    char numberstr[90];
00293    int timeout;
00294    char *timeoutstr;
00295    int numorder;  
00296    const char *takecallstr;
00297    const char *declinecallstr;
00298    const char *tmpstr;
00299 
00300    cfg = ast_config_load("followme.conf");
00301    if (!cfg) {
00302       ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
00303       return 0;
00304    }
00305 
00306    AST_LIST_LOCK(&followmes);
00307 
00308    /* Reset Global Var Values */
00309    featuredigittimeout = 5000;
00310 
00311    /* Mark all profiles as inactive for the moment */
00312    AST_LIST_TRAVERSE(&followmes, f, entry) {
00313       f->active = 0;
00314    }
00315    featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
00316    
00317    if (!ast_strlen_zero(featuredigittostr)) {
00318       if (!sscanf(featuredigittostr, "%30d", &featuredigittimeout))
00319          featuredigittimeout = 5000;
00320    }
00321 
00322    takecallstr = ast_variable_retrieve(cfg, "general", "takecall");
00323    if (!ast_strlen_zero(takecallstr))
00324       ast_copy_string(takecall, takecallstr, sizeof(takecall));
00325    
00326    declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall");
00327    if (!ast_strlen_zero(declinecallstr))
00328       ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
00329 
00330    tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt");
00331    if (!ast_strlen_zero(tmpstr))
00332       ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
00333 
00334    tmpstr = ast_variable_retrieve(cfg, "general", "norecording-prompt");
00335    if (!ast_strlen_zero(tmpstr))
00336       ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
00337 
00338    tmpstr = ast_variable_retrieve(cfg, "general", "options-prompt");
00339    if (!ast_strlen_zero(tmpstr))
00340       ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
00341 
00342    tmpstr = ast_variable_retrieve(cfg, "general", "pls-hold-prompt");
00343    if (!ast_strlen_zero(tmpstr))
00344       ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
00345 
00346    tmpstr = ast_variable_retrieve(cfg, "general", "status-prompt");
00347    if (!ast_strlen_zero(tmpstr))
00348       ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
00349 
00350    tmpstr = ast_variable_retrieve(cfg, "general", "sorry-prompt");
00351    if (!ast_strlen_zero(tmpstr))
00352       ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
00353 
00354    /* Chug through config file */
00355    while ((cat = ast_category_browse(cfg, cat))) {
00356       if (!strcasecmp(cat, "general"))
00357          continue;
00358       /* Define a new profile */
00359       /* Look for an existing one */
00360       AST_LIST_TRAVERSE(&followmes, f, entry) {
00361          if (!strcasecmp(f->name, cat))
00362             break;
00363       }
00364       if (option_debug)
00365          ast_log(LOG_DEBUG, "New profile %s.\n", cat);
00366       if (!f) {
00367          /* Make one then */
00368          f = alloc_profile(cat);
00369          new = 1;
00370       } else
00371          new = 0;
00372    
00373       if (f) {
00374          if (!new)
00375             ast_mutex_lock(&f->lock);
00376          /* Re-initialize the profile */
00377          init_profile(f);
00378          free_numbers(f);
00379          var = ast_variable_browse(cfg, cat);
00380          while(var) {
00381             if (!strcasecmp(var->name, "number")) {
00382                /* Add a new number */
00383                ast_copy_string(numberstr, var->value, sizeof(numberstr));
00384                if ((tmp = strchr(numberstr, ','))) {
00385                   *tmp = '\0';
00386                   tmp++;
00387                   timeoutstr = ast_strdupa(tmp);
00388                   if ((tmp = strchr(timeoutstr, ','))) {
00389                      *tmp = '\0';
00390                      tmp++;
00391                      numorder = atoi(tmp);
00392                      if (numorder < 0)
00393                         numorder = 0;
00394                   } else 
00395                      numorder = 0;
00396                   timeout = atoi(timeoutstr);
00397                   if (timeout < 0) 
00398                      timeout = 25;
00399                } else {
00400                   timeout = 25;
00401                   numorder = 0;
00402                }
00403 
00404                if (!numorder) {  
00405                   idx = 1;
00406                   AST_LIST_TRAVERSE(&f->numbers, nm, entry) 
00407                      idx++;
00408                   numorder = idx;
00409                }
00410                cur = create_followme_number(numberstr, "", timeout, numorder);
00411                AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
00412             } else {
00413                profile_set_param(f, var->name, var->value, var->lineno, 1);
00414                if (option_debug > 1)
00415                   ast_log(LOG_DEBUG, "Logging parameter %s with value %s from lineno %d\n", var->name, var->value, var->lineno);
00416             }
00417             var = var->next;
00418          } /* End while(var) loop */
00419 
00420          if (!new) 
00421             ast_mutex_unlock(&f->lock);
00422          else
00423             AST_LIST_INSERT_HEAD(&followmes, f, entry);
00424       }
00425    }
00426    ast_config_destroy(cfg);
00427 
00428    AST_LIST_UNLOCK(&followmes);
00429 
00430    return 1;
00431 }
00432 
00433 static void clear_caller(struct findme_user *tmpuser)
00434 {
00435    struct ast_channel *outbound;
00436    
00437    if (tmpuser && tmpuser->ochan && tmpuser->state >= 0) {
00438       outbound = tmpuser->ochan;
00439       if (!outbound->cdr) {
00440          outbound->cdr = ast_cdr_alloc();
00441          if (outbound->cdr)
00442             ast_cdr_init(outbound->cdr, outbound);
00443       }
00444       if (outbound->cdr) {
00445          char tmp[256];
00446 
00447          snprintf(tmp, sizeof(tmp), "%s/%s", "Local", tmpuser->dialarg);
00448          ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
00449          ast_cdr_update(outbound);
00450          ast_cdr_start(outbound->cdr);
00451          ast_cdr_end(outbound->cdr);
00452          /* If the cause wasn't handled properly */
00453          if (ast_cdr_disposition(outbound->cdr, outbound->hangupcause))
00454             ast_cdr_failed(outbound->cdr);
00455       } else
00456          ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
00457       ast_hangup(tmpuser->ochan);
00458    }
00459 
00460 }
00461 
00462 static void clear_calling_tree(struct findme_user_listptr *findme_user_list) 
00463 {
00464    struct findme_user *tmpuser;
00465    
00466    AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
00467       clear_caller(tmpuser);
00468       tmpuser->cleared = 1;
00469    }
00470    
00471 }
00472 
00473 
00474 
00475 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) 
00476 {
00477    struct ast_channel *watchers[256];
00478    int pos;
00479    struct ast_channel *winner;
00480    struct ast_frame *f;
00481    int ctstatus;
00482    int dg;
00483    struct findme_user *tmpuser;
00484    int to = 0;
00485    int livechannels = 0;
00486    int tmpto;
00487    long totalwait = 0, wtd, towas = 0;
00488    char *callfromname;
00489    char *pressbuttonname;
00490 
00491    /* ------------ wait_for_winner_channel start --------------- */ 
00492 
00493    callfromname = ast_strdupa(tpargs->callfromprompt);
00494    pressbuttonname = ast_strdupa(tpargs->optionsprompt); 
00495 
00496    if (!AST_LIST_EMPTY(findme_user_list)) {
00497       if (!caller) {
00498          if (option_verbose > 2)
00499             ast_verbose(VERBOSE_PREFIX_3 "Original caller hungup. Cleanup.\n");
00500          clear_calling_tree(findme_user_list);
00501          return NULL;
00502       }
00503       ctstatus = 0;
00504       totalwait = nm->timeout * 1000;
00505       wtd = 0;
00506       while (!ctstatus) {
00507          to = 1000;
00508          pos = 1; 
00509          livechannels = 0;
00510          watchers[0] = caller;
00511       
00512          dg = 0;  
00513          winner = NULL; 
00514          AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
00515             if (tmpuser->state >= 0 && tmpuser->ochan) {
00516                if (tmpuser->state == 3) 
00517                   tmpuser->digts += (towas - wtd);
00518                if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
00519                   if (option_verbose > 2)
00520                      ast_verbose(VERBOSE_PREFIX_3 "We've been waiting for digits longer than we should have.\n");
00521                   if (!ast_strlen_zero(namerecloc)) {
00522                      tmpuser->state = 1;
00523                      tmpuser->digts = 0;
00524                      if (!ast_streamfile(tmpuser->ochan, callfromname, tmpuser->ochan->language)) {
00525                         ast_sched_runq(tmpuser->ochan->sched);
00526                      } else {
00527                         ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
00528                         return NULL;
00529                      }                    
00530                   } else {
00531                      tmpuser->state = 2;
00532                      tmpuser->digts = 0;
00533                      if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
00534                         ast_sched_runq(tmpuser->ochan->sched);
00535                      else {
00536                         ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
00537                         return NULL;
00538                      }
00539                   }
00540                }
00541                if (tmpuser->ochan->stream) {
00542                   ast_sched_runq(tmpuser->ochan->sched);
00543                   tmpto = ast_sched_wait(tmpuser->ochan->sched);
00544                   if (tmpto > 0 && tmpto < to)
00545                      to = tmpto;
00546                   else if (tmpto < 0 && !tmpuser->ochan->timingfunc) {
00547                      ast_stopstream(tmpuser->ochan);
00548                      if (tmpuser->state == 1) {
00549                         if (option_verbose > 2)
00550                            ast_verbose(VERBOSE_PREFIX_3 "Playback of the call-from file appears to be done.\n");
00551                         if (!ast_streamfile(tmpuser->ochan, namerecloc, tmpuser->ochan->language)) {
00552                            tmpuser->state = 2;
00553                         } else {
00554                            ast_log(LOG_NOTICE, "Unable to playback %s. Maybe the caller didn't record their name?\n", namerecloc);
00555                            memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
00556                            tmpuser->ynidx = 0;
00557                            if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language))
00558                               tmpuser->state = 3;
00559                            else {
00560                               ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
00561                               return NULL;
00562                            } 
00563                         }
00564                      } else if (tmpuser->state == 2) {
00565                         if (option_verbose > 2)
00566                            ast_verbose(VERBOSE_PREFIX_3 "Playback of name file appears to be done.\n");
00567                         memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
00568                         tmpuser->ynidx = 0;
00569                         if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language)) {
00570                            tmpuser->state = 3;
00571                            
00572                         } else {
00573                            return NULL;
00574                         } 
00575                      } else if (tmpuser->state == 3) {
00576                         if (option_verbose > 2)
00577                            ast_verbose(VERBOSE_PREFIX_3 "Playback of the next step file appears to be done.\n");
00578                         tmpuser->digts = 0;
00579                      }
00580                   }
00581                }
00582                watchers[pos++] = tmpuser->ochan;
00583                livechannels++;
00584             }
00585          }
00586 
00587          tmpto = to;
00588          if (to < 0) {
00589             to = 1000;
00590             tmpto = 1000;
00591          }
00592          towas = to;
00593          winner = ast_waitfor_n(watchers, pos, &to);
00594          tmpto -= to;
00595          totalwait -= tmpto;
00596          wtd = to;   
00597          if (totalwait <= 0) {
00598             if (option_verbose > 2) 
00599                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);
00600             clear_calling_tree(findme_user_list);
00601             return NULL;
00602          }
00603          if (winner) {
00604             /* Need to find out which channel this is */
00605             dg = 0;
00606             while ((winner != watchers[dg]) && (dg < 256))
00607                dg++;
00608             AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry)
00609                if (tmpuser->ochan == winner)
00610                   break;
00611             f = ast_read(winner);
00612             if (f) {
00613                if (f->frametype == AST_FRAME_CONTROL) {
00614                   switch(f->subclass) {
00615                   case AST_CONTROL_HANGUP:
00616                      if (option_verbose > 2)
00617                         ast_verbose( VERBOSE_PREFIX_3 "%s received a hangup frame.\n", winner->name);
00618                      if (dg == 0) {
00619                         if (option_verbose > 2)
00620                            ast_verbose( VERBOSE_PREFIX_3 "The calling channel hungup. Need to drop everyone else.\n");
00621                         clear_calling_tree(findme_user_list);
00622                         ctstatus = -1;
00623                      }
00624                      break;
00625                   case AST_CONTROL_ANSWER:
00626                      if (option_verbose > 2)
00627                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", winner->name, caller->name);
00628                      /* If call has been answered, then the eventual hangup is likely to be normal hangup */ 
00629                      winner->hangupcause = AST_CAUSE_NORMAL_CLEARING;
00630                      caller->hangupcause = AST_CAUSE_NORMAL_CLEARING;
00631                      if (option_verbose > 2)
00632                         ast_verbose( VERBOSE_PREFIX_3 "Starting playback of %s\n", callfromname);
00633                      if (dg > 0) {
00634                         if (!ast_strlen_zero(namerecloc)) {
00635                            if (!ast_streamfile(winner, callfromname, winner->language)) {
00636                               ast_sched_runq(winner->sched);
00637                               tmpuser->state = 1;
00638                            } else {
00639                               ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
00640                               ast_frfree(f);
00641                               return NULL;
00642                            }           
00643                         } else {       
00644                            tmpuser->state = 2;
00645                            if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
00646                               ast_sched_runq(tmpuser->ochan->sched);
00647                            else {
00648                               ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
00649                               ast_frfree(f);
00650                               return NULL;
00651                            }
00652                         }
00653                      }
00654                      break;
00655                   case AST_CONTROL_BUSY:
00656                      if (option_verbose > 2)
00657                         ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", winner->name);
00658                      break;
00659                   case AST_CONTROL_CONGESTION:
00660                      if (option_verbose > 2)
00661                         ast_verbose( VERBOSE_PREFIX_3 "%s is circuit-busy\n", winner->name);
00662                      break;
00663                   case AST_CONTROL_RINGING:
00664                      if (option_verbose > 2)
00665                         ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", winner->name);
00666                      break;
00667                   case AST_CONTROL_PROGRESS:
00668                      if (option_verbose > 2)
00669                         ast_verbose ( VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", winner->name, caller->name);
00670                      break;
00671                   case AST_CONTROL_VIDUPDATE:
00672                      if (option_verbose > 2)
00673                         ast_verbose ( VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", winner->name, caller->name);
00674                      break;
00675                   case AST_CONTROL_SRCUPDATE:
00676                      if (option_verbose > 2)
00677                         ast_verbose ( VERBOSE_PREFIX_3 "%s requested a source update, passing it to %s\n", winner->name, caller->name);
00678                      break;
00679                   case AST_CONTROL_PROCEEDING:
00680                      if (option_verbose > 2)
00681                         ast_verbose ( VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", winner->name,caller->name);
00682                      break;
00683                   case AST_CONTROL_HOLD:
00684                      if (option_verbose > 2)
00685                         ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", winner->name);
00686                      break;
00687                   case AST_CONTROL_UNHOLD:
00688                      if (option_verbose > 2)
00689                         ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", winner->name);
00690                      break;
00691                   case AST_CONTROL_OFFHOOK:
00692                   case AST_CONTROL_FLASH:
00693                      /* Ignore going off hook and flash */
00694                      break;
00695                   case -1:
00696                      if (option_verbose > 2)
00697                         ast_verbose( VERBOSE_PREFIX_3 "%s stopped sounds\n", winner->name);
00698                      break;
00699                   default:
00700                      if (option_debug)
00701                         ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
00702                      break;
00703                   }
00704                } 
00705                if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
00706                   if (winner->stream)
00707                      ast_stopstream(winner);
00708                   tmpuser->digts = 0;
00709                   if (option_debug)
00710                      ast_log(LOG_DEBUG, "DTMF received: %c\n",(char) f->subclass);
00711                   tmpuser->yn[tmpuser->ynidx] = (char) f->subclass;
00712                   tmpuser->ynidx++;
00713                   if (option_debug)
00714                      ast_log(LOG_DEBUG, "DTMF string: %s\n", tmpuser->yn);
00715                   if (tmpuser->ynidx >= ynlongest) {
00716                      if (option_debug)
00717                         ast_log(LOG_DEBUG, "reached longest possible match - doing evals\n");
00718                      if (!strcmp(tmpuser->yn, tpargs->takecall)) {
00719                         if (option_debug)
00720                            ast_log(LOG_DEBUG, "Match to take the call!\n");
00721                         ast_frfree(f);
00722                         return tmpuser->ochan;  
00723                      }
00724                      if (!strcmp(tmpuser->yn, tpargs->nextindp)) {
00725                         if (option_debug)
00726                            ast_log(LOG_DEBUG, "Next in dial plan step requested.\n");
00727                         *status = 1;
00728                         ast_frfree(f);
00729                         return NULL;
00730                      }  
00731 
00732                   }
00733                }
00734                
00735                ast_frfree(f);
00736             } else {
00737                if (winner) {
00738                   if (option_debug)
00739                      ast_log(LOG_DEBUG, "we didn't get a frame. hanging up. dg is %d\n",dg);                   
00740                   if (!dg) {
00741                      clear_calling_tree(findme_user_list);
00742                      return NULL;
00743                   } else {
00744                      tmpuser->state = -1;
00745                      ast_hangup(winner);  
00746                      livechannels--;
00747                      if (option_debug)
00748                         ast_log(LOG_DEBUG, "live channels left %d\n", livechannels);
00749                      if (!livechannels) {
00750                         if (option_verbose > 2)
00751                            ast_verbose(VERBOSE_PREFIX_3 "no live channels left. exiting.\n");
00752                         return NULL;
00753                      }
00754                   }
00755                }
00756             }              
00757             
00758          } else
00759             if (option_debug)
00760                ast_log(LOG_DEBUG, "timed out waiting for action\n");
00761       }
00762       
00763    } else {
00764       if (option_verbose > 2)
00765          ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n");
00766    }
00767    
00768    /* --- WAIT FOR WINNER NUMBER END! -----------*/
00769    return NULL;
00770 }
00771 
00772 static void findmeexec(struct fm_args *tpargs)
00773 {
00774    struct number *nm;
00775    struct ast_channel *outbound;
00776    struct ast_channel *caller;
00777    struct ast_channel *winner = NULL;
00778    char dialarg[512];
00779    int dg, idx;
00780    char *rest, *number;
00781    struct findme_user *tmpuser;
00782    struct findme_user *fmuser;
00783    struct findme_user *headuser;
00784    struct findme_user_listptr *findme_user_list;
00785    int status;
00786 
00787    findme_user_list = ast_calloc(1, sizeof(*findme_user_list));      
00788    AST_LIST_HEAD_INIT_NOLOCK(findme_user_list);
00789 
00790    /* We're going to figure out what the longest possible string of digits to collect is */
00791    ynlongest = 0;
00792    if (strlen(tpargs->takecall) > ynlongest)
00793       ynlongest = strlen(tpargs->takecall);
00794    if (strlen(tpargs->nextindp) > ynlongest)
00795       ynlongest = strlen(tpargs->nextindp);
00796 
00797    idx = 1;
00798    caller = tpargs->chan;
00799    AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
00800       if (nm->order == idx)
00801          break;
00802 
00803    while (nm) {
00804       if (option_debug > 1)   
00805          ast_log(LOG_DEBUG, "Number %s timeout %ld\n", nm->number,nm->timeout);
00806 
00807       number = ast_strdupa(nm->number);
00808       if (option_debug > 2)
00809          ast_log(LOG_DEBUG, "examining %s\n", number);
00810       do {
00811          rest = strchr(number, '&');
00812          if (rest) {
00813             *rest = 0;
00814             rest++;
00815          }
00816 
00817          /* We check if that context exists, before creating the ast_channel struct needed */
00818          if (!ast_exists_extension(caller, tpargs->context, number, 1, caller->cid.cid_num)) {
00819             /* XXX Should probably restructure to simply skip this item, instead of returning. XXX */
00820             ast_log(LOG_ERROR, "Extension '%s@%s' doesn't exist\n", number, tpargs->context);
00821             free(findme_user_list);
00822             return;
00823          }
00824 
00825          if (!strcmp(tpargs->context, ""))
00826             snprintf(dialarg, sizeof(dialarg), "%s", number);
00827          else
00828             snprintf(dialarg, sizeof(dialarg), "%s@%s", number, tpargs->context);
00829 
00830          tmpuser = ast_calloc(1, sizeof(*tmpuser));
00831          if (!tmpuser) {
00832             free(findme_user_list);
00833             return;
00834          }
00835 
00836          outbound = ast_request("Local", ast_best_codec(caller->nativeformats), dialarg, &dg);
00837          if (outbound) {
00838             ast_set_callerid(outbound, caller->cid.cid_num, caller->cid.cid_name, caller->cid.cid_num);
00839             ast_channel_inherit_variables(tpargs->chan, outbound);
00840             ast_channel_datastore_inherit(tpargs->chan, outbound);
00841             ast_string_field_set(outbound, language, tpargs->chan->language);
00842             ast_string_field_set(outbound, accountcode, tpargs->chan->accountcode);
00843             ast_string_field_set(outbound, musicclass, tpargs->chan->musicclass);
00844             if (option_verbose > 2)
00845                ast_verbose(VERBOSE_PREFIX_3 "calling %s\n", dialarg);
00846             if (!ast_call(outbound,dialarg,0)) {
00847                tmpuser->ochan = outbound;
00848                tmpuser->state = 0;
00849                tmpuser->cleared = 0;
00850                ast_copy_string(tmpuser->dialarg, dialarg, sizeof(dialarg));
00851                AST_LIST_INSERT_TAIL(findme_user_list, tmpuser, entry);
00852             } else {
00853                if (option_verbose > 2) 
00854                   ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n"); 
00855                if (outbound) {
00856                   if (!outbound->cdr) 
00857                      outbound->cdr = ast_cdr_alloc();
00858                   if (outbound->cdr) {
00859                      char tmp[256];
00860 
00861                      ast_cdr_init(outbound->cdr, outbound);
00862                      snprintf(tmp, sizeof(tmp), "%s/%s", "Local", dialarg);
00863                      ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
00864                      ast_cdr_update(outbound);
00865                      ast_cdr_start(outbound->cdr);
00866                      ast_cdr_end(outbound->cdr);
00867                      /* If the cause wasn't handled properly */
00868                      if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
00869                         ast_cdr_failed(outbound->cdr);
00870                   } else {
00871                      ast_log(LOG_ERROR, "Unable to create Call Detail Record\n");
00872                      ast_hangup(outbound);
00873                      outbound = NULL;
00874                   }
00875                }
00876                   
00877             }
00878          } else 
00879             ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n", dialarg, ast_cause2str(dg));
00880                
00881          number = rest;
00882       } while (number);
00883             
00884       status = 0; 
00885       if (!AST_LIST_EMPTY(findme_user_list))
00886          winner = wait_for_winner(findme_user_list, nm, caller, tpargs->namerecloc, &status, tpargs);
00887 
00888       AST_LIST_TRAVERSE_SAFE_BEGIN(findme_user_list, fmuser, entry) {
00889          if (!fmuser->cleared && fmuser->ochan != winner)
00890             clear_caller(fmuser);
00891          AST_LIST_REMOVE_CURRENT(findme_user_list, entry);
00892          free(fmuser);
00893       }
00894       AST_LIST_TRAVERSE_SAFE_END;
00895 
00896       fmuser = NULL;
00897       tmpuser = NULL;
00898       headuser = NULL;  
00899       if (winner)
00900          break;
00901 
00902       if (!caller || ast_check_hangup(caller)) {
00903          tpargs->status = 1;
00904          free(findme_user_list);
00905          return;  
00906       }
00907 
00908       idx++;
00909       AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
00910          if (nm->order == idx)
00911             break;
00912 
00913    }
00914    free(findme_user_list);
00915    if (!winner) 
00916       tpargs->status = 1;
00917    else {
00918       tpargs->status = 100;
00919       tpargs->outbound = winner;
00920    }
00921 
00922    
00923    return;
00924       
00925 }
00926 
00927 static void end_bridge_callback (void *data)
00928 {
00929    char buf[80];
00930    time_t end;
00931    struct ast_channel *chan = data;
00932 
00933    time(&end);
00934 
00935    ast_channel_lock(chan);
00936    if (chan->cdr->answer.tv_sec) {
00937       snprintf(buf, sizeof(buf), "%ld", (long) end - chan->cdr->answer.tv_sec);
00938       pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
00939    }
00940 
00941    if (chan->cdr->start.tv_sec) {
00942       snprintf(buf, sizeof(buf), "%ld", (long) end - chan->cdr->start.tv_sec);
00943       pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
00944    }
00945    ast_channel_unlock(chan);
00946 }
00947 
00948 static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator)
00949 {
00950    bconfig->end_bridge_callback_data = originator;
00951 }
00952 
00953 static int app_exec(struct ast_channel *chan, void *data)
00954 {
00955    struct fm_args targs = { 0, };
00956    struct ast_bridge_config config;
00957    struct call_followme *f;
00958    struct number *nm, *newnm;
00959    int res = 0;
00960    struct ast_module_user *u;
00961    char *argstr;
00962    char namerecloc[255];
00963    char *fname = NULL;
00964    int duration = 0;
00965    struct ast_channel *caller;
00966    struct ast_channel *outbound;
00967    
00968    AST_DECLARE_APP_ARGS(args,
00969       AST_APP_ARG(followmeid);
00970       AST_APP_ARG(options);
00971    );
00972    
00973    if (ast_strlen_zero(data)) {
00974       ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n",app);
00975       return -1;
00976    }
00977 
00978    if (!(argstr = ast_strdupa((char *)data))) {
00979       ast_log(LOG_ERROR, "Out of memory!\n");
00980       return -1;
00981    }
00982 
00983 
00984    AST_STANDARD_APP_ARGS(args, argstr);
00985    if (ast_strlen_zero(args.followmeid)) {
00986       ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
00987       return -1;
00988    }
00989 
00990    u = ast_module_user_add(chan);
00991 
00992    AST_LIST_LOCK(&followmes);
00993    AST_LIST_TRAVERSE(&followmes, f, entry) {
00994       if (!strcasecmp(f->name, args.followmeid) && (f->active))
00995          break;
00996    }
00997    AST_LIST_UNLOCK(&followmes);
00998 
00999    if (option_debug)
01000       ast_log(LOG_DEBUG, "New profile %s.\n", args.followmeid);
01001    if (!f) { 
01002       ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.\n", args.followmeid);
01003       res = 0;
01004    } else {
01005       /* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */
01006 
01007 
01008       if (args.options) 
01009          ast_app_parse_options(followme_opts, &targs.followmeflags, NULL, args.options);
01010 
01011       /* Lock the profile lock and copy out everything we need to run with before unlocking it again */
01012       ast_mutex_lock(&f->lock);
01013       targs.mohclass = ast_strdupa(f->moh);
01014       ast_copy_string(targs.context, f->context, sizeof(targs.context));
01015       ast_copy_string(targs.takecall, f->takecall, sizeof(targs.takecall));
01016       ast_copy_string(targs.nextindp, f->nextindp, sizeof(targs.nextindp));
01017       ast_copy_string(targs.callfromprompt, f->callfromprompt, sizeof(targs.callfromprompt));
01018       ast_copy_string(targs.norecordingprompt, f->norecordingprompt, sizeof(targs.norecordingprompt));
01019       ast_copy_string(targs.optionsprompt, f->optionsprompt, sizeof(targs.optionsprompt));
01020       ast_copy_string(targs.plsholdprompt, f->plsholdprompt, sizeof(targs.plsholdprompt));
01021       ast_copy_string(targs.statusprompt, f->statusprompt, sizeof(targs.statusprompt));
01022       ast_copy_string(targs.sorryprompt, f->sorryprompt, sizeof(targs.sorryprompt));
01023       /* Copy the numbers we're going to use into another list in case the master list should get modified 
01024                (and locked) while we're trying to do a follow-me */
01025       AST_LIST_HEAD_INIT_NOLOCK(&targs.cnumbers);
01026       AST_LIST_TRAVERSE(&f->numbers, nm, entry) {
01027          newnm = create_followme_number(nm->number, "", nm->timeout, nm->order);
01028          AST_LIST_INSERT_TAIL(&targs.cnumbers, newnm, entry);
01029       }
01030       ast_mutex_unlock(&f->lock);
01031 
01032       if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_STATUSMSG)) 
01033          ast_stream_and_wait(chan, targs.statusprompt, chan->language, "");
01034 
01035       snprintf(namerecloc,sizeof(namerecloc),"%s/followme.%s",ast_config_AST_SPOOL_DIR,chan->uniqueid);
01036       duration = 5;
01037 
01038       if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_RECORDNAME)) 
01039          if (ast_play_and_record(chan, "vm-rec-name", namerecloc, 5, "sln", &duration, 128, 0, NULL) < 0)
01040             goto outrun;
01041 
01042       if (!ast_fileexists(namerecloc, NULL, chan->language))
01043          ast_copy_string(namerecloc, "", sizeof(namerecloc));              
01044 
01045       if (ast_streamfile(chan, targs.plsholdprompt, chan->language))
01046          goto outrun;
01047       if (ast_waitstream(chan, "") < 0)
01048          goto outrun;
01049       ast_moh_start(chan, S_OR(targs.mohclass, NULL), NULL);
01050 
01051       targs.status = 0;
01052       targs.chan = chan;
01053       ast_copy_string(targs.namerecloc, namerecloc, sizeof(targs.namerecloc));
01054 
01055       findmeexec(&targs);     
01056             
01057       AST_LIST_TRAVERSE_SAFE_BEGIN(&targs.cnumbers, nm, entry) {
01058          AST_LIST_REMOVE_CURRENT(&targs.cnumbers, entry);
01059          free(nm);
01060       }
01061       AST_LIST_TRAVERSE_SAFE_END
01062       if (targs.status != 100) {
01063          ast_moh_stop(chan);
01064          if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_UNREACHABLEMSG)) 
01065             ast_stream_and_wait(chan, targs.sorryprompt, chan->language, "");
01066          res = 0;
01067       } else {
01068          caller = chan;
01069          outbound = targs.outbound;
01070          /* Bridge the two channels. */
01071 
01072          memset(&config,0,sizeof(struct ast_bridge_config));
01073          ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
01074          ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
01075          ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
01076 
01077          config.end_bridge_callback = end_bridge_callback;
01078          config.end_bridge_callback_data = chan;
01079          config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
01080 
01081          ast_moh_stop(caller);
01082          /* Be sure no generators are left on it */
01083          ast_deactivate_generator(caller);
01084          /* Make sure channels are compatible */
01085          res = ast_channel_make_compatible(caller, outbound);
01086          if (res < 0) {
01087             ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", caller->name, outbound->name);
01088             ast_hangup(outbound);
01089             goto outrun;
01090          }
01091          res = ast_bridge_call(caller,outbound,&config);
01092          if (outbound)
01093             ast_hangup(outbound);
01094       }
01095    }
01096    outrun:
01097 
01098    if (!ast_strlen_zero(namerecloc)){
01099       fname = alloca(strlen(namerecloc) + 5);
01100       sprintf(fname, "%s.sln", namerecloc);
01101       unlink(fname);
01102    }
01103    
01104    ast_module_user_remove(u);
01105 
01106    return res;
01107 }
01108 
01109 static int unload_module(void)
01110 {
01111    struct call_followme *f;
01112 
01113    ast_module_user_hangup_all();
01114 
01115    ast_unregister_application(app);
01116 
01117    /* Free Memory. Yeah! I'm free! */
01118    AST_LIST_LOCK(&followmes);
01119    while ((f = AST_LIST_REMOVE_HEAD(&followmes, entry))) {
01120       free_numbers(f);
01121       free(f);
01122    }
01123 
01124    AST_LIST_UNLOCK(&followmes);
01125 
01126    return 0;
01127 }
01128 
01129 static int load_module(void)
01130 {
01131    if(!reload_followme())
01132       return AST_MODULE_LOAD_DECLINE;
01133 
01134    return ast_register_application(app, app_exec, synopsis, descrip);
01135 }
01136 
01137 static int reload(void)
01138 {
01139    reload_followme();
01140 
01141    return 0;   
01142 }
01143 
01144 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Find-Me/Follow-Me Application",
01145       .load = load_module,
01146       .unload = unload_module,
01147       .reload = reload,
01148           );

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