Mon Jun 27 16:50:46 2011

Asterisk developer's documentation


app_followme.c

Go to the documentation of this file.
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: 297733 $")
00038 
00039 #include <signal.h>
00040 
00041 #include "asterisk/paths.h"   /* use ast_config_AST_SPOOL_DIR */
00042 #include "asterisk/lock.h"
00043 #include "asterisk/file.h"
00044 #include "asterisk/channel.h"
00045 #include "asterisk/pbx.h"
00046 #include "asterisk/module.h"
00047 #include "asterisk/translate.h"
00048 #include "asterisk/say.h"
00049 #include "asterisk/features.h"
00050 #include "asterisk/musiconhold.h"
00051 #include "asterisk/cli.h"
00052 #include "asterisk/manager.h"
00053 #include "asterisk/config.h"
00054 #include "asterisk/utils.h"
00055 #include "asterisk/causes.h"
00056 #include "asterisk/astdb.h"
00057 #include "asterisk/dsp.h"
00058 #include "asterisk/app.h"
00059 
00060 /*** DOCUMENTATION
00061    <application name="FollowMe" language="en_US">
00062       <synopsis>
00063          Find-Me/Follow-Me application.
00064       </synopsis>
00065       <syntax>
00066          <parameter name="followmeid" required="true" />
00067          <parameter name="options">
00068             <optionlist>
00069                <option name="s">
00070                   <para>Playback the incoming status message prior to starting
00071                   the follow-me step(s)</para>
00072                </option>
00073                <option name="a">
00074                   <para>Record the caller's name so it can be announced to the
00075                   callee on each step.</para>
00076                </option>
00077                <option name="n">
00078                   <para>Playback the unreachable status message if we've run out
00079                   of steps to reach the or the callee has elected not to be reachable.</para>
00080                </option>
00081                <option name="d">
00082                   <para>Disable the 'Please hold while we try to connect your call' announcement.</para>
00083                </option>
00084             </optionlist>
00085          </parameter>
00086       </syntax>
00087       <description>
00088          <para>This application performs Find-Me/Follow-Me functionality for the caller
00089          as defined in the profile matching the <replaceable>followmeid</replaceable> parameter in
00090          <filename>followme.conf</filename>. If the specified <replaceable>followmeid</replaceable>
00091          profile doesn't exist in <filename>followme.conf</filename>, execution will be returned
00092          to the dialplan and call execution will continue at the next priority.</para>
00093          <para>Returns -1 on hangup.</para>
00094       </description>
00095    </application>
00096  ***/
00097 
00098 static char *app = "FollowMe";
00099 
00100 /*! \brief Number structure */
00101 struct number {
00102    char number[512]; /*!< Phone Number(s) and/or Extension(s) */
00103    long timeout;     /*!< Dial Timeout, if used. */
00104    int order;     /*!< The order to dial in */
00105    AST_LIST_ENTRY(number) entry; /*!< Next Number record */
00106 };
00107 
00108 /*! \brief Data structure for followme scripts */
00109 struct call_followme {
00110    ast_mutex_t lock;
00111    char name[AST_MAX_EXTENSION]; /*!< Name - FollowMeID */
00112    char moh[AST_MAX_CONTEXT]; /*!< Music On Hold Class to be used */
00113    char context[AST_MAX_CONTEXT];  /*!< Context to dial from */
00114    unsigned int active;    /*!< Profile is active (1), or disabled (0). */
00115    int realtime;           /*!< Cached from realtime */
00116    char takecall[20];      /*!< Digit mapping to take a call */
00117    char nextindp[20];      /*!< Digit mapping to decline a call */
00118    char callfromprompt[PATH_MAX];   /*!< Sound prompt name and path */
00119    char norecordingprompt[PATH_MAX];   /*!< Sound prompt name and path */
00120    char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
00121    char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
00122    char statusprompt[PATH_MAX];  /*!< Sound prompt name and path */
00123    char sorryprompt[PATH_MAX];   /*!< Sound prompt name and path */
00124 
00125    AST_LIST_HEAD_NOLOCK(numbers, number) numbers;     /*!< Head of the list of follow-me numbers */
00126    AST_LIST_HEAD_NOLOCK(blnumbers, number) blnumbers; /*!< Head of the list of black-listed numbers */
00127    AST_LIST_HEAD_NOLOCK(wlnumbers, number) wlnumbers; /*!< Head of the list of white-listed numbers */
00128    AST_LIST_ENTRY(call_followme) entry;           /*!< Next Follow-Me record */
00129 };
00130 
00131 struct fm_args {
00132    struct ast_channel *chan;
00133    char *mohclass;
00134    AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
00135    int status;
00136    char context[AST_MAX_CONTEXT];
00137    char namerecloc[AST_MAX_CONTEXT];
00138    struct ast_channel *outbound;
00139    char takecall[20];      /*!< Digit mapping to take a call */
00140    char nextindp[20];      /*!< Digit mapping to decline a call */
00141    char callfromprompt[PATH_MAX];   /*!< Sound prompt name and path */
00142    char norecordingprompt[PATH_MAX];   /*!< Sound prompt name and path */
00143    char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
00144    char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
00145    char statusprompt[PATH_MAX];  /*!< Sound prompt name and path */
00146    char sorryprompt[PATH_MAX];   /*!< Sound prompt name and path */
00147    struct ast_flags followmeflags;
00148 };
00149 
00150 struct findme_user {
00151    struct ast_channel *ochan;
00152    int state;
00153    char dialarg[256];
00154    char yn[10];
00155    int ynidx; 
00156    long digts;
00157    int cleared;
00158    AST_LIST_ENTRY(findme_user) entry;
00159 };
00160 
00161 enum {
00162    FOLLOWMEFLAG_STATUSMSG = (1 << 0),
00163    FOLLOWMEFLAG_RECORDNAME = (1 << 1),
00164    FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2),
00165    FOLLOWMEFLAG_DISABLEHOLDPROMPT = (1 << 3)
00166 };
00167 
00168 AST_APP_OPTIONS(followme_opts, {
00169    AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG ),
00170    AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME ),
00171    AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG ),
00172    AST_APP_OPTION('d', FOLLOWMEFLAG_DISABLEHOLDPROMPT ),
00173 });
00174 
00175 static int ynlongest = 0;
00176 
00177 static const char *featuredigittostr;
00178 static int featuredigittimeout = 5000;    /*!< Feature Digit Timeout */
00179 static const char *defaultmoh = "default";      /*!< Default Music-On-Hold Class */
00180 
00181 static char takecall[20] = "1", nextindp[20] = "2";
00182 static char callfromprompt[PATH_MAX] = "followme/call-from";
00183 static char norecordingprompt[PATH_MAX] = "followme/no-recording";
00184 static char optionsprompt[PATH_MAX] = "followme/options";
00185 static char plsholdprompt[PATH_MAX] = "followme/pls-hold-while-try";
00186 static char statusprompt[PATH_MAX] = "followme/status";
00187 static char sorryprompt[PATH_MAX] = "followme/sorry";
00188 
00189 
00190 static AST_RWLIST_HEAD_STATIC(followmes, call_followme);
00191 AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
00192 
00193 static void free_numbers(struct call_followme *f)
00194 {
00195    /* Free numbers attached to the profile */
00196    struct number *prev;
00197 
00198    while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
00199       /* Free the number */
00200       ast_free(prev);
00201    AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
00202 
00203    while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
00204       /* Free the blacklisted number */
00205       ast_free(prev);
00206    AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
00207 
00208    while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
00209       /* Free the whitelisted number */
00210       ast_free(prev);
00211    AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
00212 }
00213 
00214 
00215 /*! \brief Allocate and initialize followme profile */
00216 static struct call_followme *alloc_profile(const char *fmname)
00217 {
00218    struct call_followme *f;
00219 
00220    if (!(f = ast_calloc(1, sizeof(*f))))
00221       return NULL;
00222 
00223    ast_mutex_init(&f->lock);
00224    ast_copy_string(f->name, fmname, sizeof(f->name));
00225    f->moh[0] = '\0';
00226    f->context[0] = '\0';
00227    ast_copy_string(f->takecall, takecall, sizeof(f->takecall));
00228    ast_copy_string(f->nextindp, nextindp, sizeof(f->nextindp));
00229    ast_copy_string(f->callfromprompt, callfromprompt, sizeof(f->callfromprompt));
00230    ast_copy_string(f->norecordingprompt, norecordingprompt, sizeof(f->norecordingprompt));
00231    ast_copy_string(f->optionsprompt, optionsprompt, sizeof(f->optionsprompt));
00232    ast_copy_string(f->plsholdprompt, plsholdprompt, sizeof(f->plsholdprompt));
00233    ast_copy_string(f->statusprompt, statusprompt, sizeof(f->statusprompt));
00234    ast_copy_string(f->sorryprompt, sorryprompt, sizeof(f->sorryprompt));
00235    AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
00236    AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
00237    AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
00238    return f;
00239 }
00240 
00241 static void init_profile(struct call_followme *f)
00242 {
00243    f->active = 1;
00244    ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
00245 }
00246 
00247    
00248    
00249 /*! \brief Set parameter in profile from configuration file */
00250 static void profile_set_param(struct call_followme *f, const char *param, const char *val, int linenum, int failunknown)
00251 {
00252 
00253    if (!strcasecmp(param, "musicclass") || !strcasecmp(param, "musiconhold") || !strcasecmp(param, "music")) 
00254       ast_copy_string(f->moh, val, sizeof(f->moh));
00255    else if (!strcasecmp(param, "context")) 
00256       ast_copy_string(f->context, val, sizeof(f->context));
00257    else if (!strcasecmp(param, "takecall"))
00258       ast_copy_string(f->takecall, val, sizeof(f->takecall));
00259    else if (!strcasecmp(param, "declinecall"))
00260       ast_copy_string(f->nextindp, val, sizeof(f->nextindp));
00261    else if (!strcasecmp(param, "call-from-prompt") || !strcasecmp(param, "call_from_prompt"))
00262       ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
00263    else if (!strcasecmp(param, "followme-norecording-prompt") || !strcasecmp(param, "norecording_prompt")) 
00264       ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
00265    else if (!strcasecmp(param, "followme-options-prompt") || !strcasecmp(param, "options_prompt")) 
00266       ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
00267    else if (!strcasecmp(param, "followme-pls-hold-prompt") || !strcasecmp(param, "pls_hold_prompt"))
00268       ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
00269    else if (!strcasecmp(param, "followme-status-prompt") || !strcasecmp(param, "status_prompt")) 
00270       ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
00271    else if (!strcasecmp(param, "followme-sorry-prompt") || !strcasecmp(param, "sorry_prompt")) 
00272       ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
00273    else if (failunknown) {
00274       if (linenum >= 0)
00275          ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s at line %d of followme.conf\n", f->name, param, linenum);
00276       else
00277          ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s\n", f->name, param);
00278    }
00279 }
00280 
00281 /*! \brief Add a new number */
00282 static struct number *create_followme_number(const char *number, int timeout, int numorder)
00283 {
00284    struct number *cur;
00285    char *buf = ast_strdupa(number);
00286    char *tmp;
00287 
00288    if (!(cur = ast_calloc(1, sizeof(*cur))))
00289       return NULL;
00290 
00291    cur->timeout = timeout;
00292    if ((tmp = strchr(buf, ',')))
00293       *tmp = '\0';
00294    ast_copy_string(cur->number, buf, sizeof(cur->number));
00295    cur->order = numorder;
00296    ast_debug(1, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
00297 
00298    return cur;
00299 }
00300 
00301 /*! \brief Reload followme application module */
00302 static int reload_followme(int reload)
00303 {
00304    struct call_followme *f;
00305    struct ast_config *cfg;
00306    char *cat = NULL, *tmp;
00307    struct ast_variable *var;
00308    struct number *cur, *nm;
00309    char numberstr[90];
00310    int timeout;
00311    char *timeoutstr;
00312    int numorder;
00313    const char *takecallstr;
00314    const char *declinecallstr;
00315    const char *tmpstr;
00316    struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
00317 
00318    if (!(cfg = ast_config_load("followme.conf", config_flags))) {
00319       ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
00320       return 0;
00321    } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
00322       return 0;
00323    } else if (cfg == CONFIG_STATUS_FILEINVALID) {
00324       ast_log(LOG_ERROR, "Config file followme.conf is in an invalid format.  Aborting.\n");
00325       return 0;
00326    }
00327 
00328    AST_RWLIST_WRLOCK(&followmes);
00329 
00330    /* Reset Global Var Values */
00331    featuredigittimeout = 5000;
00332 
00333    /* Mark all profiles as inactive for the moment */
00334    AST_RWLIST_TRAVERSE(&followmes, f, entry) {
00335       f->active = 0;
00336    }
00337 
00338    featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
00339 
00340    if (!ast_strlen_zero(featuredigittostr)) {
00341       if (!sscanf(featuredigittostr, "%30d", &featuredigittimeout))
00342          featuredigittimeout = 5000;
00343    }
00344 
00345    if ((takecallstr = ast_variable_retrieve(cfg, "general", "takecall")) && !ast_strlen_zero(takecallstr)) {
00346       ast_copy_string(takecall, takecallstr, sizeof(takecall));
00347    }
00348 
00349    if ((declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall")) && !ast_strlen_zero(declinecallstr)) {
00350       ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
00351    }
00352 
00353    if ((tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt")) && !ast_strlen_zero(tmpstr)) {
00354       ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
00355    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "call_from_prompt")) && !ast_strlen_zero(tmpstr)) {
00356       ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
00357    }
00358 
00359    if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording-prompt")) && !ast_strlen_zero(tmpstr)) {
00360       ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
00361    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording_prompt")) && !ast_strlen_zero(tmpstr)) {
00362       ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
00363    }
00364 
00365 
00366    if ((tmpstr = ast_variable_retrieve(cfg, "general", "options-prompt")) && !ast_strlen_zero(tmpstr)) {
00367       ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
00368    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "options_prompt")) && !ast_strlen_zero(tmpstr)) {
00369       ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
00370    }
00371 
00372    if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls-hold-prompt")) && !ast_strlen_zero(tmpstr)) {
00373       ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
00374    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls_hold_prompt")) && !ast_strlen_zero(tmpstr)) {
00375       ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
00376    }
00377 
00378    if ((tmpstr = ast_variable_retrieve(cfg, "general", "status-prompt")) && !ast_strlen_zero(tmpstr)) {
00379       ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
00380    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "status_prompt")) && !ast_strlen_zero(tmpstr)) {
00381       ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
00382    }
00383 
00384    if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry-prompt")) && !ast_strlen_zero(tmpstr)) {
00385       ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
00386    } else if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry_prompt")) && !ast_strlen_zero(tmpstr)) {
00387       ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
00388    }
00389 
00390    /* Chug through config file */
00391    while ((cat = ast_category_browse(cfg, cat))) {
00392       int new = 0;
00393 
00394       if (!strcasecmp(cat, "general"))
00395          continue;
00396 
00397       /* Look for an existing one */
00398       AST_LIST_TRAVERSE(&followmes, f, entry) {
00399          if (!strcasecmp(f->name, cat))
00400             break;
00401       }
00402 
00403       ast_debug(1, "New profile %s.\n", cat);
00404 
00405       if (!f) {
00406          /* Make one then */
00407          f = alloc_profile(cat);
00408          new = 1;
00409       }
00410 
00411       /* Totally fail if we fail to find/create an entry */
00412       if (!f)
00413          continue;
00414 
00415       if (!new)
00416          ast_mutex_lock(&f->lock);
00417       /* Re-initialize the profile */
00418       init_profile(f);
00419       free_numbers(f);
00420       var = ast_variable_browse(cfg, cat);
00421       while (var) {
00422          if (!strcasecmp(var->name, "number")) {
00423             int idx = 0;
00424 
00425             /* Add a new number */
00426             ast_copy_string(numberstr, var->value, sizeof(numberstr));
00427             if ((tmp = strchr(numberstr, ','))) {
00428                *tmp++ = '\0';
00429                timeoutstr = ast_strdupa(tmp);
00430                if ((tmp = strchr(timeoutstr, ','))) {
00431                   *tmp++ = '\0';
00432                   numorder = atoi(tmp);
00433                   if (numorder < 0)
00434                      numorder = 0;
00435                } else 
00436                   numorder = 0;
00437                timeout = atoi(timeoutstr);
00438                if (timeout < 0) 
00439                   timeout = 25;
00440             } else {
00441                timeout = 25;
00442                numorder = 0;
00443             }
00444 
00445             if (!numorder) {
00446                idx = 1;
00447                AST_LIST_TRAVERSE(&f->numbers, nm, entry) 
00448                   idx++;
00449                numorder = idx;
00450             }
00451             cur = create_followme_number(numberstr, timeout, numorder);
00452             AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
00453          } else {
00454             profile_set_param(f, var->name, var->value, var->lineno, 1);
00455             ast_debug(2, "Logging parameter %s with value %s from lineno %d\n", var->name, var->value, var->lineno);
00456          }
00457          var = var->next;
00458       } /* End while(var) loop */
00459 
00460       if (!new) 
00461          ast_mutex_unlock(&f->lock);
00462       else
00463          AST_RWLIST_INSERT_HEAD(&followmes, f, entry);
00464    }
00465 
00466    ast_config_destroy(cfg);
00467 
00468    AST_RWLIST_UNLOCK(&followmes);
00469 
00470    return 1;
00471 }
00472 
00473 static void clear_caller(struct findme_user *tmpuser)
00474 {
00475    struct ast_channel *outbound;
00476 
00477    if (tmpuser && tmpuser->ochan && tmpuser->state >= 0) {
00478       outbound = tmpuser->ochan;
00479       if (!outbound->cdr) {
00480          outbound->cdr = ast_cdr_alloc();
00481          if (outbound->cdr)
00482             ast_cdr_init(outbound->cdr, outbound);
00483       }
00484       if (outbound->cdr) {
00485          char tmp[256];
00486 
00487          snprintf(tmp, sizeof(tmp), "%s/%s", "Local", tmpuser->dialarg);
00488          ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
00489          ast_cdr_update(outbound);
00490          ast_cdr_start(outbound->cdr);
00491          ast_cdr_end(outbound->cdr);
00492          /* If the cause wasn't handled properly */
00493          if (ast_cdr_disposition(outbound->cdr, outbound->hangupcause))
00494             ast_cdr_failed(outbound->cdr);
00495       } else
00496          ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
00497       ast_hangup(tmpuser->ochan);
00498    }
00499 
00500 }
00501 
00502 static void clear_calling_tree(struct findme_user_listptr *findme_user_list) 
00503 {
00504    struct findme_user *tmpuser;
00505 
00506    AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
00507       clear_caller(tmpuser);
00508       tmpuser->cleared = 1;
00509    }
00510 }
00511 
00512 
00513 
00514 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) 
00515 {
00516    struct ast_channel *watchers[256];
00517    int pos;
00518    struct ast_channel *winner;
00519    struct ast_frame *f;
00520    int ctstatus = 0;
00521    int dg;
00522    struct findme_user *tmpuser;
00523    int to = 0;
00524    int livechannels = 0;
00525    int tmpto;
00526    long totalwait = 0, wtd = 0, towas = 0;
00527    char *callfromname;
00528    char *pressbuttonname;
00529 
00530    /* ------------ wait_for_winner_channel start --------------- */ 
00531 
00532    callfromname = ast_strdupa(tpargs->callfromprompt);
00533    pressbuttonname = ast_strdupa(tpargs->optionsprompt);
00534 
00535    if (AST_LIST_EMPTY(findme_user_list)) {
00536       ast_verb(3, "couldn't reach at this number.\n");
00537       return NULL;
00538    }
00539 
00540    if (!caller) {
00541       ast_verb(3, "Original caller hungup. Cleanup.\n");
00542       clear_calling_tree(findme_user_list);
00543       return NULL;
00544    }
00545 
00546    totalwait = nm->timeout * 1000;
00547 
00548    while (!ctstatus) {
00549       to = 1000;
00550       pos = 1; 
00551       livechannels = 0;
00552       watchers[0] = caller;
00553 
00554       dg = 0;
00555       winner = NULL;
00556       AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
00557          if (tmpuser->state >= 0 && tmpuser->ochan) {
00558             if (tmpuser->state == 3) 
00559                tmpuser->digts += (towas - wtd);
00560             if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
00561                ast_verb(3, "We've been waiting for digits longer than we should have.\n");
00562                if (!ast_strlen_zero(namerecloc)) {
00563                   tmpuser->state = 1;
00564                   tmpuser->digts = 0;
00565                   if (!ast_streamfile(tmpuser->ochan, callfromname, tmpuser->ochan->language)) {
00566                      ast_sched_runq(tmpuser->ochan->sched);
00567                   } else {
00568                      ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
00569                      return NULL;
00570                   }
00571                } else {
00572                   tmpuser->state = 2;
00573                   tmpuser->digts = 0;
00574                   if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
00575                      ast_sched_runq(tmpuser->ochan->sched);
00576                   else {
00577                      ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
00578                      return NULL;
00579                   }
00580                }
00581             }
00582             if (tmpuser->ochan->stream) {
00583                ast_sched_runq(tmpuser->ochan->sched);
00584                tmpto = ast_sched_wait(tmpuser->ochan->sched);
00585                if (tmpto > 0 && tmpto < to)
00586                   to = tmpto;
00587                else if (tmpto < 0 && !tmpuser->ochan->timingfunc) {
00588                   ast_stopstream(tmpuser->ochan);
00589                   if (tmpuser->state == 1) {
00590                      ast_verb(3, "Playback of the call-from file appears to be done.\n");
00591                      if (!ast_streamfile(tmpuser->ochan, namerecloc, tmpuser->ochan->language)) {
00592                         tmpuser->state = 2;
00593                      } else {
00594                         ast_log(LOG_NOTICE, "Unable to playback %s. Maybe the caller didn't record their name?\n", namerecloc);
00595                         memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
00596                         tmpuser->ynidx = 0;
00597                         if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language))
00598                            tmpuser->state = 3;
00599                         else {
00600                            ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
00601                            return NULL;
00602                         } 
00603                      }
00604                   } else if (tmpuser->state == 2) {
00605                      ast_verb(3, "Playback of name file appears to be done.\n");
00606                      memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
00607                      tmpuser->ynidx = 0;
00608                      if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language)) {
00609                         tmpuser->state = 3;
00610                      } else {
00611                         return NULL;
00612                      } 
00613                   } else if (tmpuser->state == 3) {
00614                      ast_verb(3, "Playback of the next step file appears to be done.\n");
00615                      tmpuser->digts = 0;
00616                   }
00617                }
00618             }
00619             watchers[pos++] = tmpuser->ochan;
00620             livechannels++;
00621          }
00622       }
00623 
00624       tmpto = to;
00625       if (to < 0) {
00626          to = 1000;
00627          tmpto = 1000;
00628       }
00629       towas = to;
00630       winner = ast_waitfor_n(watchers, pos, &to);
00631       tmpto -= to;
00632       totalwait -= tmpto;
00633       wtd = to;
00634       if (totalwait <= 0) {
00635          ast_verb(3, "We've hit our timeout for this step. Drop everyone and move on to the next one. %ld\n", totalwait);
00636          clear_calling_tree(findme_user_list);
00637          return NULL;
00638       }
00639       if (winner) {
00640          /* Need to find out which channel this is */
00641          dg = 0;
00642          while ((winner != watchers[dg]) && (dg < 256))
00643             dg++;
00644          AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry)
00645             if (tmpuser->ochan == winner)
00646                break;
00647          f = ast_read(winner);
00648          if (f) {
00649             if (f->frametype == AST_FRAME_CONTROL) {
00650                switch (f->subclass.integer) {
00651                case AST_CONTROL_HANGUP:
00652                   ast_verb(3, "%s received a hangup frame.\n", winner->name);
00653                   if (f->data.uint32) {
00654                      winner->hangupcause = f->data.uint32;
00655                   }
00656                   if (dg == 0) {
00657                      ast_verb(3, "The calling channel hungup. Need to drop everyone else.\n");
00658                      clear_calling_tree(findme_user_list);
00659                      ctstatus = -1;
00660                   }
00661                   break;
00662                case AST_CONTROL_ANSWER:
00663                   ast_verb(3, "%s answered %s\n", winner->name, caller->name);
00664                   /* If call has been answered, then the eventual hangup is likely to be normal hangup */ 
00665                   winner->hangupcause = AST_CAUSE_NORMAL_CLEARING;
00666                   caller->hangupcause = AST_CAUSE_NORMAL_CLEARING;
00667                   ast_verb(3, "Starting playback of %s\n", callfromname);
00668                   if (dg > 0) {
00669                      if (!ast_strlen_zero(namerecloc)) {
00670                         if (!ast_streamfile(winner, callfromname, winner->language)) {
00671                            ast_sched_runq(winner->sched);
00672                            tmpuser->state = 1;
00673                         } else {
00674                            ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
00675                            ast_frfree(f);
00676                            return NULL;
00677                         }
00678                      } else {
00679                         tmpuser->state = 2;
00680                         if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
00681                            ast_sched_runq(tmpuser->ochan->sched);
00682                         else {
00683                            ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
00684                            ast_frfree(f);
00685                            return NULL;
00686                         }
00687                      }
00688                   }
00689                   break;
00690                case AST_CONTROL_BUSY:
00691                   ast_verb(3, "%s is busy\n", winner->name);
00692                   break;
00693                case AST_CONTROL_CONGESTION:
00694                   ast_verb(3, "%s is circuit-busy\n", winner->name);
00695                   break;
00696                case AST_CONTROL_RINGING:
00697                   ast_verb(3, "%s is ringing\n", winner->name);
00698                   break;
00699                case AST_CONTROL_PROGRESS:
00700                   ast_verb(3, "%s is making progress passing it to %s\n", winner->name, caller->name);
00701                   break;
00702                case AST_CONTROL_VIDUPDATE:
00703                   ast_verb(3, "%s requested a video update, passing it to %s\n", winner->name, caller->name);
00704                   break;
00705                case AST_CONTROL_SRCUPDATE:
00706                   ast_verb(3, "%s requested a source update, passing it to %s\n", winner->name, caller->name);
00707                   break;
00708                case AST_CONTROL_PROCEEDING:
00709                   ast_verb(3, "%s is proceeding passing it to %s\n", winner->name,caller->name);
00710                   break;
00711                case AST_CONTROL_HOLD:
00712                   ast_verb(3, "Call on %s placed on hold\n", winner->name);
00713                   break;
00714                case AST_CONTROL_UNHOLD:
00715                   ast_verb(3, "Call on %s left from hold\n", winner->name);
00716                   break;
00717                case AST_CONTROL_OFFHOOK:
00718                case AST_CONTROL_FLASH:
00719                   /* Ignore going off hook and flash */
00720                   break;
00721                case -1:
00722                   ast_verb(3, "%s stopped sounds\n", winner->name);
00723                   break;
00724                default:
00725                   ast_debug(1, "Dunno what to do with control type %d\n", f->subclass.integer);
00726                   break;
00727                }
00728             } 
00729             if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
00730                if (winner->stream)
00731                   ast_stopstream(winner);
00732                tmpuser->digts = 0;
00733                ast_debug(1, "DTMF received: %c\n", (char) f->subclass.integer);
00734                tmpuser->yn[tmpuser->ynidx] = (char) f->subclass.integer;
00735                tmpuser->ynidx++;
00736                ast_debug(1, "DTMF string: %s\n", tmpuser->yn);
00737                if (tmpuser->ynidx >= ynlongest) {
00738                   ast_debug(1, "reached longest possible match - doing evals\n");
00739                   if (!strcmp(tmpuser->yn, tpargs->takecall)) {
00740                      ast_debug(1, "Match to take the call!\n");
00741                      ast_frfree(f);
00742                      return tmpuser->ochan;
00743                   }
00744                   if (!strcmp(tmpuser->yn, tpargs->nextindp)) {
00745                      ast_debug(1, "Next in dial plan step requested.\n");
00746                      *status = 1;
00747                      ast_frfree(f);
00748                      return NULL;
00749                   }
00750 
00751                }
00752             }
00753 
00754             ast_frfree(f);
00755          } else {
00756             if (winner) {
00757                ast_debug(1, "we didn't get a frame. hanging up. dg is %d\n",dg);                   
00758                if (!dg) {
00759                   clear_calling_tree(findme_user_list);
00760                   return NULL;
00761                } else {
00762                   tmpuser->state = -1;
00763                   ast_hangup(winner);  
00764                   livechannels--;
00765                   ast_debug(1, "live channels left %d\n", livechannels);
00766                   if (!livechannels) {
00767                      ast_verb(3, "no live channels left. exiting.\n");
00768                      return NULL;
00769                   }
00770                }
00771             }
00772          }
00773 
00774       } else
00775          ast_debug(1, "timed out waiting for action\n");
00776    }
00777 
00778    /* --- WAIT FOR WINNER NUMBER END! -----------*/
00779    return NULL;
00780 }
00781 
00782 static void findmeexec(struct fm_args *tpargs)
00783 {
00784    struct number *nm;
00785    struct ast_channel *outbound;
00786    struct ast_channel *caller;
00787    struct ast_channel *winner = NULL;
00788    char dialarg[512];
00789    int dg, idx;
00790    char *rest, *number;
00791    struct findme_user *tmpuser;
00792    struct findme_user *fmuser;
00793    struct findme_user *headuser;
00794    struct findme_user_listptr *findme_user_list;
00795    int status;
00796 
00797    findme_user_list = ast_calloc(1, sizeof(*findme_user_list));
00798    AST_LIST_HEAD_INIT_NOLOCK(findme_user_list);
00799 
00800    /* We're going to figure out what the longest possible string of digits to collect is */
00801    ynlongest = 0;
00802    if (strlen(tpargs->takecall) > ynlongest)
00803       ynlongest = strlen(tpargs->takecall);
00804    if (strlen(tpargs->nextindp) > ynlongest)
00805       ynlongest = strlen(tpargs->nextindp);
00806 
00807    idx = 1;
00808    caller = tpargs->chan;
00809    AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
00810       if (nm->order == idx)
00811          break;
00812 
00813    while (nm) {
00814       ast_debug(2, "Number %s timeout %ld\n", nm->number,nm->timeout);
00815 
00816       number = ast_strdupa(nm->number);
00817       ast_debug(3, "examining %s\n", number);
00818       do {
00819          rest = strchr(number, '&');
00820          if (rest) {
00821             *rest = 0;
00822             rest++;
00823          }
00824 
00825          /* We check if that context exists, before creating the ast_channel struct needed */
00826          if (!ast_exists_extension(caller, tpargs->context, number, 1, S_COR(caller->caller.id.number.valid, caller->caller.id.number.str, NULL))) {
00827             /* XXX Should probably restructure to simply skip this item, instead of returning. XXX */
00828             ast_log(LOG_ERROR, "Extension '%s@%s' doesn't exist\n", number, tpargs->context);
00829             free(findme_user_list);
00830             return;
00831          }
00832 
00833          if (!strcmp(tpargs->context, ""))
00834             snprintf(dialarg, sizeof(dialarg), "%s", number);
00835          else
00836             snprintf(dialarg, sizeof(dialarg), "%s@%s", number, tpargs->context);
00837 
00838          tmpuser = ast_calloc(1, sizeof(*tmpuser));
00839          if (!tmpuser) {
00840             ast_free(findme_user_list);
00841             return;
00842          }
00843 
00844          outbound = ast_request("Local", ast_best_codec(caller->nativeformats), caller, dialarg, &dg);
00845          if (outbound) {
00846             ast_set_callerid(outbound,
00847                S_COR(caller->caller.id.number.valid, caller->caller.id.number.str, NULL),
00848                S_COR(caller->caller.id.name.valid, caller->caller.id.name.str, NULL),
00849                S_COR(caller->caller.id.number.valid, caller->caller.id.number.str, NULL));
00850             ast_channel_inherit_variables(tpargs->chan, outbound);
00851             ast_channel_datastore_inherit(tpargs->chan, outbound);
00852             ast_string_field_set(outbound, language, tpargs->chan->language);
00853             ast_string_field_set(outbound, accountcode, tpargs->chan->accountcode);
00854             ast_string_field_set(outbound, musicclass, tpargs->chan->musicclass);
00855             ast_verb(3, "calling %s\n", dialarg);
00856             if (!ast_call(outbound,dialarg,0)) {
00857                tmpuser->ochan = outbound;
00858                tmpuser->state = 0;
00859                tmpuser->cleared = 0;
00860                ast_copy_string(tmpuser->dialarg, dialarg, sizeof(dialarg));
00861                AST_LIST_INSERT_TAIL(findme_user_list, tmpuser, entry);
00862             } else {
00863                ast_verb(3, "couldn't reach at this number.\n"); 
00864                if (outbound) {
00865                   if (!outbound->cdr) 
00866                      outbound->cdr = ast_cdr_alloc();
00867                   if (outbound->cdr) {
00868                      char tmp[256];
00869 
00870                      ast_cdr_init(outbound->cdr, outbound);
00871                      snprintf(tmp, sizeof(tmp), "%s/%s", "Local", dialarg);
00872                      ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
00873                      ast_cdr_update(outbound);
00874                      ast_cdr_start(outbound->cdr);
00875                      ast_cdr_end(outbound->cdr);
00876                      /* If the cause wasn't handled properly */
00877                      if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
00878                         ast_cdr_failed(outbound->cdr);
00879                   } else {
00880                      ast_log(LOG_ERROR, "Unable to create Call Detail Record\n");
00881                      ast_hangup(outbound);
00882                      outbound = NULL;
00883                   }
00884                }
00885             }
00886          } else 
00887             ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n", dialarg, ast_cause2str(dg));
00888 
00889          number = rest;
00890       } while (number);
00891 
00892       status = 0;
00893       if (!AST_LIST_EMPTY(findme_user_list))
00894          winner = wait_for_winner(findme_user_list, nm, caller, tpargs->namerecloc, &status, tpargs);
00895 
00896       while ((fmuser = AST_LIST_REMOVE_HEAD(findme_user_list, entry))) {
00897          if (!fmuser->cleared && fmuser->ochan != winner)
00898             clear_caller(fmuser);
00899          ast_free(fmuser);
00900       }
00901 
00902       fmuser = NULL;
00903       tmpuser = NULL;
00904       headuser = NULL;
00905       if (winner)
00906          break;
00907 
00908       if (!caller || ast_check_hangup(caller)) {
00909          tpargs->status = 1;
00910          ast_free(findme_user_list);
00911          return;
00912       }
00913 
00914       idx++;
00915       AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry) {
00916          if (nm->order == idx)
00917             break;
00918       }
00919    }
00920    ast_free(findme_user_list);
00921    if (!winner) 
00922       tpargs->status = 1;
00923    else {
00924       tpargs->status = 100;
00925       tpargs->outbound = winner;
00926    }
00927 
00928    return;
00929 }
00930 
00931 static struct call_followme *find_realtime(const char *name)
00932 {
00933    struct ast_variable *var = ast_load_realtime("followme", "name", name, SENTINEL), *v;
00934    struct ast_config *cfg;
00935    const char *catg;
00936    struct call_followme *new;
00937    struct ast_str *str = ast_str_create(16);
00938 
00939    if (!var) {
00940       return NULL;
00941    }
00942 
00943    if (!(new = alloc_profile(name))) {
00944       return NULL;
00945    }
00946 
00947    for (v = var; v; v = v->next) {
00948       if (!strcasecmp(v->name, "active")) {
00949          if (ast_false(v->value)) {
00950             ast_mutex_destroy(&new->lock);
00951             ast_free(new);
00952             return NULL;
00953          }
00954       } else {
00955          profile_set_param(new, v->name, v->value, 0, 0);
00956       }
00957    }
00958 
00959    ast_variables_destroy(var);
00960    new->realtime = 1;
00961 
00962    /* Load numbers */
00963    if (!(cfg = ast_load_realtime_multientry("followme_numbers", "ordinal LIKE", "%", "name", name, SENTINEL))) {
00964       ast_mutex_destroy(&new->lock);
00965       ast_free(new);
00966       return NULL;
00967    }
00968 
00969    for (catg = ast_category_browse(cfg, NULL); catg; catg = ast_category_browse(cfg, catg)) {
00970       const char *numstr, *timeoutstr, *ordstr;
00971       int timeout;
00972       struct number *cur;
00973       if (!(numstr = ast_variable_retrieve(cfg, catg, "phonenumber"))) {
00974          continue;
00975       }
00976       if (!(timeoutstr = ast_variable_retrieve(cfg, catg, "timeout")) || sscanf(timeoutstr, "%30d", &timeout) != 1 || timeout < 1) {
00977          timeout = 25;
00978       }
00979       /* This one has to exist; it was part of the query */
00980       ordstr = ast_variable_retrieve(cfg, catg, "ordinal");
00981       ast_str_set(&str, 0, "%s", numstr);
00982       if ((cur = create_followme_number(ast_str_buffer(str), timeout, atoi(ordstr)))) {
00983          AST_LIST_INSERT_TAIL(&new->numbers, cur, entry);
00984       }
00985    }
00986    ast_config_destroy(cfg);
00987 
00988    return new;
00989 }
00990 
00991 static void end_bridge_callback(void *data)
00992 {
00993    char buf[80];
00994    time_t end;
00995    struct ast_channel *chan = data;
00996 
00997    time(&end);
00998 
00999    ast_channel_lock(chan);
01000    if (chan->cdr->answer.tv_sec) {
01001       snprintf(buf, sizeof(buf), "%ld", (long) end - chan->cdr->answer.tv_sec);
01002       pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
01003    }
01004 
01005    if (chan->cdr->start.tv_sec) {
01006       snprintf(buf, sizeof(buf), "%ld", (long) end - chan->cdr->start.tv_sec);
01007       pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
01008    }
01009    ast_channel_unlock(chan);
01010 }
01011 
01012 static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator)
01013 {
01014    bconfig->end_bridge_callback_data = originator;
01015 }
01016 
01017 static int app_exec(struct ast_channel *chan, const char *data)
01018 {
01019    struct fm_args targs = { 0, };
01020    struct ast_bridge_config config;
01021    struct call_followme *f;
01022    struct number *nm, *newnm;
01023    int res = 0;
01024    char *argstr;
01025    char namerecloc[255];
01026    int duration = 0;
01027    struct ast_channel *caller;
01028    struct ast_channel *outbound;
01029    AST_DECLARE_APP_ARGS(args,
01030       AST_APP_ARG(followmeid);
01031       AST_APP_ARG(options);
01032    );
01033 
01034    if (ast_strlen_zero(data)) {
01035       ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
01036       return -1;
01037    }
01038 
01039    if (!(argstr = ast_strdupa((char *)data))) {
01040       ast_log(LOG_ERROR, "Out of memory!\n");
01041       return -1;
01042    }
01043 
01044    AST_STANDARD_APP_ARGS(args, argstr);
01045 
01046    if (ast_strlen_zero(args.followmeid)) {
01047       ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
01048       return -1;
01049    }
01050 
01051    AST_RWLIST_RDLOCK(&followmes);
01052    AST_RWLIST_TRAVERSE(&followmes, f, entry) {
01053       if (!strcasecmp(f->name, args.followmeid) && (f->active))
01054          break;
01055    }
01056    AST_RWLIST_UNLOCK(&followmes);
01057 
01058    ast_debug(1, "New profile %s.\n", args.followmeid);
01059 
01060    if (!f) {
01061       f = find_realtime(args.followmeid);
01062    }
01063 
01064    if (!f) {
01065       ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.\n", args.followmeid);
01066       return 0;
01067    }
01068 
01069    /* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */
01070    if (args.options) 
01071       ast_app_parse_options(followme_opts, &targs.followmeflags, NULL, args.options);
01072 
01073    /* Lock the profile lock and copy out everything we need to run with before unlocking it again */
01074    ast_mutex_lock(&f->lock);
01075    targs.mohclass = ast_strdupa(f->moh);
01076    ast_copy_string(targs.context, f->context, sizeof(targs.context));
01077    ast_copy_string(targs.takecall, f->takecall, sizeof(targs.takecall));
01078    ast_copy_string(targs.nextindp, f->nextindp, sizeof(targs.nextindp));
01079    ast_copy_string(targs.callfromprompt, f->callfromprompt, sizeof(targs.callfromprompt));
01080    ast_copy_string(targs.norecordingprompt, f->norecordingprompt, sizeof(targs.norecordingprompt));
01081    ast_copy_string(targs.optionsprompt, f->optionsprompt, sizeof(targs.optionsprompt));
01082    ast_copy_string(targs.plsholdprompt, f->plsholdprompt, sizeof(targs.plsholdprompt));
01083    ast_copy_string(targs.statusprompt, f->statusprompt, sizeof(targs.statusprompt));
01084    ast_copy_string(targs.sorryprompt, f->sorryprompt, sizeof(targs.sorryprompt));
01085    /* Copy the numbers we're going to use into another list in case the master list should get modified 
01086       (and locked) while we're trying to do a follow-me */
01087    AST_LIST_HEAD_INIT_NOLOCK(&targs.cnumbers);
01088    AST_LIST_TRAVERSE(&f->numbers, nm, entry) {
01089       newnm = create_followme_number(nm->number, nm->timeout, nm->order);
01090       AST_LIST_INSERT_TAIL(&targs.cnumbers, newnm, entry);
01091    }
01092    ast_mutex_unlock(&f->lock);
01093 
01094    /* Answer the call */
01095    if (chan->_state != AST_STATE_UP) {
01096       ast_answer(chan);
01097    }
01098 
01099    if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_STATUSMSG)) 
01100       ast_stream_and_wait(chan, targs.statusprompt, "");
01101 
01102    snprintf(namerecloc,sizeof(namerecloc),"%s/followme.%s",ast_config_AST_SPOOL_DIR,chan->uniqueid);
01103    duration = 5;
01104 
01105    if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_RECORDNAME)) 
01106       if (ast_play_and_record(chan, "vm-rec-name", namerecloc, 5, "sln", &duration, ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE), 0, NULL) < 0)
01107          goto outrun;
01108 
01109    if (!ast_fileexists(namerecloc, NULL, chan->language))
01110       ast_copy_string(namerecloc, "", sizeof(namerecloc));
01111    if (!ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_DISABLEHOLDPROMPT)) {
01112       if (ast_streamfile(chan, targs.plsholdprompt, chan->language))
01113          goto outrun;
01114       if (ast_waitstream(chan, "") < 0)
01115          goto outrun;
01116    }
01117    ast_moh_start(chan, S_OR(targs.mohclass, NULL), NULL);
01118 
01119    targs.status = 0;
01120    targs.chan = chan;
01121    ast_copy_string(targs.namerecloc, namerecloc, sizeof(targs.namerecloc));
01122 
01123    findmeexec(&targs);
01124 
01125    while ((nm = AST_LIST_REMOVE_HEAD(&targs.cnumbers, entry)))
01126       ast_free(nm);
01127 
01128    if (!ast_strlen_zero(namerecloc))
01129       unlink(namerecloc);
01130 
01131    if (targs.status != 100) {
01132       ast_moh_stop(chan);
01133       if (ast_test_flag(&targs.followmeflags, FOLLOWMEFLAG_UNREACHABLEMSG)) 
01134          ast_stream_and_wait(chan, targs.sorryprompt, "");
01135       res = 0;
01136    } else {
01137       caller = chan;
01138       outbound = targs.outbound;
01139       /* Bridge the two channels. */
01140 
01141       memset(&config, 0, sizeof(config));
01142       ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
01143       ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
01144       ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
01145       config.end_bridge_callback = end_bridge_callback;
01146       config.end_bridge_callback_data = chan;
01147       config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
01148 
01149       ast_moh_stop(caller);
01150       /* Be sure no generators are left on it */
01151       ast_deactivate_generator(caller);
01152       /* Make sure channels are compatible */
01153       res = ast_channel_make_compatible(caller, outbound);
01154       if (res < 0) {
01155          ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", caller->name, outbound->name);
01156          ast_hangup(outbound);
01157          goto outrun;
01158       }
01159       res = ast_bridge_call(caller, outbound, &config);
01160       if (outbound)
01161          ast_hangup(outbound);
01162    }
01163 
01164    outrun:
01165 
01166    if (f->realtime) {
01167       /* Not in list */
01168       free_numbers(f);
01169       ast_free(f);
01170    }
01171 
01172    return res;
01173 }
01174 
01175 static int unload_module(void)
01176 {
01177    struct call_followme *f;
01178 
01179    ast_unregister_application(app);
01180 
01181    /* Free Memory. Yeah! I'm free! */
01182    AST_RWLIST_WRLOCK(&followmes);
01183    while ((f = AST_RWLIST_REMOVE_HEAD(&followmes, entry))) {
01184       free_numbers(f);
01185       ast_free(f);
01186    }
01187 
01188    AST_RWLIST_UNLOCK(&followmes);
01189 
01190    return 0;
01191 }
01192 
01193 static int load_module(void)
01194 {
01195    if(!reload_followme(0))
01196       return AST_MODULE_LOAD_DECLINE;
01197 
01198    return ast_register_application_xml(app, app_exec);
01199 }
01200 
01201 static int reload(void)
01202 {
01203    reload_followme(1);
01204 
01205    return 0;
01206 }
01207 
01208 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Find-Me/Follow-Me Application",
01209       .load = load_module,
01210       .unload = unload_module,
01211       .reload = reload,
01212           );

Generated on Mon Jun 27 16:50:46 2011 for Asterisk - The Open Source Telephony Project by  doxygen 1.4.7