Asterisk.org: Developer Documentation (28 Oct 2009)

Wed Oct 28 15:47:47 2009

## Asterisk developer's documentation

# app_directory.c

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    00001 /*
    00002  * Asterisk -- An open source telephony toolkit.
    00003  *
    00004  * Copyright (C) 1999 - 2005, Digium, Inc.
    00005  *
    00006  * Mark Spencer <markster@digium.com>
    00007  *
    00008  * See http://www.asterisk.org for more information about
    00009  * the Asterisk project. Please do not directly contact
    00010  * any of the maintainers of this project for assistance;
    00011  * the project provides a web site, mailing lists and IRC
    00012  * channels for your use.
    00013  *
    00014  * This program is free software, distributed under the terms of
    00015  * the GNU General Public License Version 2. See the LICENSE file
    00016  * at the top of the source tree.
    00017  */
    00018
    00019 /*! \file
    00020  *
    00021  * \brief Provide a directory of extensions
    00022  *
    00023  * \ingroup applications
    00024  */
    00025
    00026 #include <string.h>
    00027 #include <ctype.h>
    00028 #include <stdlib.h>
    00029 #include <stdio.h>
    00030
    00031 #include "asterisk.h"
    00032
    00033 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 63565 $")
    00034
    00035 #include "asterisk/lock.h"
    00036 #include "asterisk/file.h"
    00037 #include "asterisk/logger.h"
    00038 #include "asterisk/channel.h"
    00039 #include "asterisk/pbx.h"
    00040 #include "asterisk/module.h"
    00041 #include "asterisk/config.h"
    00042 #include "asterisk/say.h"
    00043 #include "asterisk/utils.h"
    00044
    00045 #ifdef USE_ODBC_STORAGE
    00046 #include <errno.h>
    00047 #include <sys/mman.h>
    00048 #include "asterisk/res_odbc.h"
    00049
    00050 static char odbc_database[80] = "asterisk";
    00051 static char odbc_table[80] = "voicemessages";
    00052 static char vmfmts[80] = "wav";
    00053 #endif
    00054
    00055 static char *tdesc = "Extension Directory";
    00056 static char *app = "Directory";
    00057
    00058 static char *synopsis = "Provide directory of voicemail extensions";
    00059 static char *descrip =
    00060 "  Directory(vm-context[|dial-context[|options]]): This application will present\n"
    00061 "the calling channel with a directory of extensions from which they can search\n"
    00062 "by name. The list of names and corresponding extensions is retrieved from the\n"
    00063 "voicemail configuration file, voicemail.conf.\n"
    00064 "  This application will immediately exit if one of the following DTMF digits are\n"
    00065 "received and the extension to jump to exists:\n"
    00066 "    0 - Jump to the 'o' extension, if it exists.\n"
    00067 "    * - Jump to the 'a' extension, if it exists.\n\n"
    00068 "  Parameters:\n"
    00069 "    vm-context   - This is the context within voicemail.conf to use for the\n"
    00070 "                   Directory.\n"
    00071 "    dial-context - This is the dialplan context to use when looking for an\n"
    00072 "                   extension that the user has selected, or when jumping to the\n"
    00073 "                   'o' or 'a' extension.\n\n"
    00074 "  Options:\n"
    00075 "    f - Allow the caller to enter the first name of a user in the directory\n"
    00076 "        instead of using the last name.\n";
    00077
    00078 /* For simplicity, I'm keeping the format compatible with the voicemail config,
    00079    but i'm open to suggestions for isolating it */
    00080
    00081 #define VOICEMAIL_CONFIG "voicemail.conf"
    00082
    00083 /* How many digits to read in */
    00084 #define NUMDIGITS 3
    00085
    00086 STANDARD_LOCAL_USER;
    00087
    00088 LOCAL_USER_DECL;
    00089
    00090 #ifdef USE_ODBC_STORAGE
    00091 static void retrieve_file(char *dir)
    00092 {
    00093    int x = 0;
    00094    int res;
    00095    int fd=-1;
    00096    size_t fdlen = 0;
    00097    void *fdm = MAP_FAILED;
    00098    SQLHSTMT stmt;
    00099    char sql[256];
    00100    char fmt[80]="", empty[10] = "";
    00101    char *c;
    00102    SQLLEN colsize;
    00103    char full_fn[256];
    00104
    00105    odbc_obj *obj;
    00106    obj = fetch_odbc_obj(odbc_database, 0);
    00107    if (obj) {
    00108       do {
    00109          ast_copy_string(fmt, vmfmts, sizeof(fmt));
    00110          c = strchr(fmt, '|');
    00111          if (c)
    00112             *c = '\0';
    00113          if (!strcasecmp(fmt, "wav49"))
    00114             strcpy(fmt, "WAV");
    00115          snprintf(full_fn, sizeof(full_fn), "%s.%s", dir, fmt);
    00116          res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
    00117          if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
    00118             ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
    00119             break;
    00120          }
    00121          snprintf(sql, sizeof(sql), "SELECT recording FROM %s WHERE dir=? AND msgnum=-1", odbc_table);
    00122          res = SQLPrepare(stmt, (unsigned char *)sql, SQL_NTS);
    00123          if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
    00124             ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
    00125             SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00126             break;
    00127          }
    00128          SQLBindParameter(stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(dir), 0, (void *)dir, 0, NULL);
    00129          res = odbc_smart_execute(obj, stmt);
    00130          if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
    00131             ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
    00132             SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00133             break;
    00134          }
    00135          res = SQLFetch(stmt);
    00136          if (res == SQL_NO_DATA) {
    00137             SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00138             break;
    00139          } else if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
    00140             ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
    00141             SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00142             break;
    00143          }
    00144          fd = open(full_fn, O_RDWR | O_CREAT | O_TRUNC, 0770);
    00145          if (fd < 0) {
    00146             ast_log(LOG_WARNING, "Failed to write '%s': %s\n", full_fn, strerror(errno));
    00147             SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00148             break;
    00149          }
    00150
    00151          res = SQLGetData(stmt, 1, SQL_BINARY, empty, 0, &colsize);
    00152          fdlen = colsize;
    00153          if (fd > -1) {
    00154             char tmp[1]="";
    00155             lseek(fd, fdlen - 1, SEEK_SET);
    00156             if (write(fd, tmp, 1) != 1) {
    00157                close(fd);
    00158                fd = -1;
    00159                break;
    00160             }
    00161             if (fd > -1)
    00162                fdm = mmap(NULL, fdlen, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
    00163          }
    00164          if (fdm != MAP_FAILED) {
    00165             memset(fdm, 0, fdlen);
    00166             res = SQLGetData(stmt, x + 1, SQL_BINARY, fdm, fdlen, &colsize);
    00167             if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
    00168                ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
    00169                SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00170                break;
    00171             }
    00172          }
    00173          SQLFreeHandle(SQL_HANDLE_STMT, stmt);
    00174       } while (0);
    00175    } else
    00176       ast_log(LOG_WARNING, "Failed to obtain database object for '%s'!\n", odbc_database);
    00177    if (fdm != MAP_FAILED)
    00178       munmap(fdm, fdlen);
    00179    if (fd > -1)
    00180       close(fd);
    00181    return;
    00182 }
    00183 #endif
    00184
    00185 static char *convert(char *lastname)
    00186 {
    00187    char *tmp;
    00188    int lcount = 0;
    00189    tmp = malloc(NUMDIGITS + 1);
    00190    if (tmp) {
    00191       while((*lastname > 32) && lcount < NUMDIGITS) {
    00192          switch(toupper(*lastname)) {
    00193          case '1':
    00194             tmp[lcount++] = '1';
    00195             break;
    00196          case '2':
    00197          case 'A':
    00198          case 'B':
    00199          case 'C':
    00200             tmp[lcount++] = '2';
    00201             break;
    00202          case '3':
    00203          case 'D':
    00204          case 'E':
    00205          case 'F':
    00206             tmp[lcount++] = '3';
    00207             break;
    00208          case '4':
    00209          case 'G':
    00210          case 'H':
    00211          case 'I':
    00212             tmp[lcount++] = '4';
    00213             break;
    00214          case '5':
    00215          case 'J':
    00216          case 'K':
    00217          case 'L':
    00218             tmp[lcount++] = '5';
    00219             break;
    00220          case '6':
    00221          case 'M':
    00222          case 'N':
    00223          case 'O':
    00224             tmp[lcount++] = '6';
    00225             break;
    00226          case '7':
    00227          case 'P':
    00228          case 'Q':
    00229          case 'R':
    00230          case 'S':
    00231             tmp[lcount++] = '7';
    00232             break;
    00233          case '8':
    00234          case 'T':
    00235          case 'U':
    00236          case 'V':
    00237             tmp[lcount++] = '8';
    00238             break;
    00239          case '9':
    00240          case 'W':
    00241          case 'X':
    00242          case 'Y':
    00243          case 'Z':
    00244             tmp[lcount++] = '9';
    00245             break;
    00246          }
    00247          lastname++;
    00248       }
    00249       tmp[lcount] = '\0';
    00250    }
    00251    return tmp;
    00252 }
    00253
    00254 /* play name of mailbox owner.
    00255  * returns:  -1 for bad or missing extension
    00256  *           '1' for selected entry from directory
    00257  *           '*' for skipped entry from directory
    00258  */
    00259 static int play_mailbox_owner(struct ast_channel *chan, char *context, char *dialcontext, char *ext, char *name, int fromappvm) {
    00260    int res = 0;
    00261    int loop = 3;
    00262    char fn[256];
    00263    char fn2[256];
    00264
    00265    /* Check for the VoiceMail2 greeting first */
    00266    snprintf(fn, sizeof(fn), "%s/voicemail/%s/%s/greet",
    00267       (char *)ast_config_AST_SPOOL_DIR, context, ext);
    00268 #ifdef USE_ODBC_STORAGE
    00269    retrieve_file(fn);
    00270 #endif
    00271
    00272    /* Otherwise, check for an old-style Voicemail greeting */
    00273    snprintf(fn2, sizeof(fn2), "%s/vm/%s/greet",
    00274       (char *)ast_config_AST_SPOOL_DIR, ext);
    00275 #ifdef USE_ODBC_STORAGE
    00276    retrieve_file(fn2);
    00277 #endif
    00278
    00279    if (ast_fileexists(fn, NULL, chan->language) > 0) {
    00280       res = ast_streamfile(chan, fn, chan->language);
    00281       if (!res) {
    00282          res = ast_waitstream(chan, AST_DIGIT_ANY);
    00283       }
    00284       ast_stopstream(chan);
    00285    } else if (ast_fileexists(fn2, NULL, chan->language) > 0) {
    00286       res = ast_streamfile(chan, fn2, chan->language);
    00287       if (!res) {
    00288          res = ast_waitstream(chan, AST_DIGIT_ANY);
    00289       }
    00290       ast_stopstream(chan);
    00291    } else {
    00292       res = ast_say_character_str(chan, !ast_strlen_zero(name) ? name : ext,
    00293                AST_DIGIT_ANY, chan->language);
    00294    }
    00295 #ifdef USE_ODBC_STORAGE
    00296    ast_filedelete(fn, NULL);
    00297    ast_filedelete(fn2, NULL);
    00298 #endif
    00299
    00300    while (loop) {
    00301       if (!res) {
    00302          res = ast_streamfile(chan, "dir-instr", chan->language);
    00303       }
    00304       if (!res) {
    00305          res = ast_waitstream(chan, AST_DIGIT_ANY);
    00306       }
    00307       if (!res) {
    00308          res = ast_waitfordigit(chan, 3000);
    00309       }
    00310       ast_stopstream(chan);
    00311
    00312       if (res > -1) {
    00313          switch (res) {
    00314             case '1':
    00315                /* Name selected */
    00316                loop = 0;
    00317                if (fromappvm) {
    00318                   /* We still want to set the exten */
    00319                   ast_copy_string(chan->exten, ext, sizeof(chan->exten));
    00320                } else {
    00321                   if (ast_goto_if_exists(chan, dialcontext, ext, 1)) {
    00322                      ast_log(LOG_WARNING,
    00323                         "Can't find extension '%s' in context '%s'.  "
    00324                         "Did you pass the wrong context to Directory?\n",
    00325                         ext, dialcontext);
    00326                      res = -1;
    00327                   }
    00328                }
    00329                break;
    00330
    00331             case '*':
    00332                /* Skip to next match in list */
    00333                loop = 0;
    00334                break;
    00335
    00336             default:
    00337                /* Not '1', or '*', so decrement number of tries */
    00338                res = 0;
    00339                loop--;
    00340                break;
    00341          } /* end switch */
    00342       } /* end if */
    00343       else {
    00344          /* User hungup, so jump out now */
    00345          loop = 0;
    00346       }
    00347    } /* end while */
    00348
    00349    return(res);
    00350 }
    00351
    00352 static struct ast_config *realtime_directory(char *context)
    00353 {
    00354    struct ast_config *cfg;
    00355    struct ast_config *rtdata;
    00356    struct ast_category *cat;
    00357    struct ast_variable *var;
    00358    char *mailbox;
    00359    char *fullname;
    00360    char *hidefromdir;
    00361    char tmp[100];
    00362
    00363    /* Load flat file config. */
    00364    cfg = ast_config_load(VOICEMAIL_CONFIG);
    00365
    00366    if (!cfg) {
    00367       /* Loading config failed. */
    00368       ast_log(LOG_WARNING, "Loading config failed.\n");
    00369       return NULL;
    00370    }
    00371
    00372    /* Get realtime entries, categorized by their mailbox number
    00373       and present in the requested context */
    00374    rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", "context", context, NULL);
    00375
    00376    /* if there are no results, just return the entries from the config file */
    00377    if (!rtdata)
    00378       return cfg;
    00379
    00380    /* Does the context exist within the config file? If not, make one */
    00381    cat = ast_category_get(cfg, context);
    00382    if (!cat) {
    00383       cat = ast_category_new(context);
    00384       if (!cat) {
    00385          ast_log(LOG_WARNING, "Out of memory\n");
    00386          ast_config_destroy(cfg);
    00387          return NULL;
    00388       }
    00389       ast_category_append(cfg, cat);
    00390    }
    00391
    00392    mailbox = ast_category_browse(rtdata, NULL);
    00393    while (mailbox) {
    00394       fullname = ast_variable_retrieve(rtdata, mailbox, "fullname");
    00395       hidefromdir = ast_variable_retrieve(rtdata, mailbox, "hidefromdir");
    00396       snprintf(tmp, sizeof(tmp), "no-password,%s,hidefromdir=%s",
    00397           fullname ? fullname : "",
    00398           hidefromdir ? hidefromdir : "no");
    00399       var = ast_variable_new(mailbox, tmp);
    00400       if (var)
    00401          ast_variable_append(cat, var);
    00402       else
    00403          ast_log(LOG_WARNING, "Out of memory adding mailbox '%s'\n", mailbox);
    00404       mailbox = ast_category_browse(rtdata, mailbox);
    00405    }
    00406    ast_config_destroy(rtdata);
    00407
    00408    return cfg;
    00409 }
    00410
    00411 static int do_directory(struct ast_channel *chan, struct ast_config *cfg, char *context, char *dialcontext, char digit, int last, int fromappvm)
    00412 {
    00413    /* Read in the first three digits..  "digit" is the first digit, already read */
    00414    char ext[NUMDIGITS + 1];
    00415    char name[80] = "";
    00416    struct ast_variable *v;
    00417    int res;
    00418    int found=0;
    00419    int lastuserchoice = 0;
    00420    char *start, *pos, *conv,*stringp=NULL;
    00421
    00422    if (ast_strlen_zero(context)) {
    00423       ast_log(LOG_WARNING,
    00424          "Directory must be called with an argument "
    00425          "(context in which to interpret extensions)\n");
    00426       return -1;
    00427    }
    00428    if (digit == '0') {
    00429       if (!ast_goto_if_exists(chan, dialcontext, "o", 1) ||
    00430           (!ast_strlen_zero(chan->macrocontext) &&
    00431            !ast_goto_if_exists(chan, chan->macrocontext, "o", 1))) {
    00432          return 0;
    00433       } else {
    00434          ast_log(LOG_WARNING, "Can't find extension 'o' in current context.  "
    00435             "Not Exiting the Directory!\n");
    00436          res = 0;
    00437       }
    00438    }
    00439    if (digit == '*') {
    00440       if (!ast_goto_if_exists(chan, dialcontext, "a", 1) ||
    00441           (!ast_strlen_zero(chan->macrocontext) &&
    00442            !ast_goto_if_exists(chan, chan->macrocontext, "a", 1))) {
    00443          return 0;
    00444       } else {
    00445          ast_log(LOG_WARNING, "Can't find extension 'a' in current context.  "
    00446             "Not Exiting the Directory!\n");
    00447          res = 0;
    00448       }
    00449    }
    00450    memset(ext, 0, sizeof(ext));
    00451    ext[0] = digit;
    00452    res = 0;
    00453    if (ast_readstring(chan, ext + 1, NUMDIGITS - 1, 3000, 3000, "#") < 0) res = -1;
    00454    if (!res) {
    00455       /* Search for all names which start with those digits */
    00456       v = ast_variable_browse(cfg, context);
    00457       while(v && !res) {
    00458          /* Find all candidate extensions */
    00459          while(v) {
    00460             /* Find a candidate extension */
    00461             start = strdup(v->value);
    00462             if (start && !strcasestr(start, "hidefromdir=yes")) {
    00463                stringp=start;
    00464                strsep(&stringp, ",");
    00465                pos = strsep(&stringp, ",");
    00466                if (pos) {
    00467                   ast_copy_string(name, pos, sizeof(name));
    00468                   /* Grab the last name */
    00469                   if (last && strrchr(pos,' '))
    00470                      pos = strrchr(pos, ' ') + 1;
    00471                   conv = convert(pos);
    00472                   if (conv) {
    00473                      if (!strncmp(conv, ext, strlen(ext))) {
    00474                         /* Match! */
    00475                         found++;
    00476                         free(conv);
    00477                         free(start);
    00478                         break;
    00479                      }
    00480                      free(conv);
    00481                   }
    00482                }
    00483                free(start);
    00484             }
    00485             v = v->next;
    00486          }
    00487
    00488          if (v) {
    00489             /* We have a match -- play a greeting if they have it */
    00490             res = play_mailbox_owner(chan, context, dialcontext, v->name, name, fromappvm);
    00491             switch (res) {
    00492                case -1:
    00493                   /* user pressed '1' but extension does not exist, or
    00494                    * user hungup
    00495                    */
    00496                   lastuserchoice = 0;
    00497                   break;
    00498                case '1':
    00499                   /* user pressed '1' and extensions exists;
    00500                      play_mailbox_owner will already have done
    00501                      a goto() on the channel
    00502                    */
    00503                   lastuserchoice = res;
    00504                   break;
    00505                case '*':
    00506                   /* user pressed '*' to skip something found */
    00507                   lastuserchoice = res;
    00508                   res = 0;
    00509                   break;
    00510                default:
    00511                   break;
    00512             }
    00513             v = v->next;
    00514          }
    00515       }
    00516
    00517       if (lastuserchoice != '1') {
    00518          if (found)
    00519             res = ast_streamfile(chan, "dir-nomore", chan->language);
    00520          else
    00521             res = ast_streamfile(chan, "dir-nomatch", chan->language);
    00522          if (!res)
    00523             res = 1;
    00524          return res;
    00525       }
    00526       return 0;
    00527    }
    00528    return res;
    00529 }
    00530
    00531 static int directory_exec(struct ast_channel *chan, void *data)
    00532 {
    00533    int res = 0;
    00534    struct localuser *u;
    00535    struct ast_config *cfg;
    00536    int last = 1;
    00537    int fromappvm = 0;
    00538    char *context, *dialcontext, *dirintro, *options;
    00539
    00540    if (ast_strlen_zero(data)) {
    00541       ast_log(LOG_WARNING, "Directory requires an argument (context[,dialcontext])\n");
    00542       return -1;
    00543    }
    00544
    00545    LOCAL_USER_ADD(u);
    00546
    00547    context = ast_strdupa(data);
    00548    dialcontext = strchr(context, '|');
    00549    if (dialcontext) {
    00550       *dialcontext = '\0';
    00551       dialcontext++;
    00552       options = strchr(dialcontext, '|');
    00553       if (options) {
    00554          *options = '\0';
    00555          options++;
    00556          if (strchr(options, 'f'))
    00557             last = 0;
    00558          if (strchr(options, 'v'))
    00559             fromappvm = 1;
    00560       }
    00561    } else
    00562       dialcontext = context;
    00563
    00564    cfg = realtime_directory(context);
    00565    if (!cfg) {
    00566       LOCAL_USER_REMOVE(u);
    00567       return -1;
    00568    }
    00569
    00570    dirintro = ast_variable_retrieve(cfg, context, "directoryintro");
    00571    if (ast_strlen_zero(dirintro))
    00572       dirintro = ast_variable_retrieve(cfg, "general", "directoryintro");
    00573    if (ast_strlen_zero(dirintro)) {
    00574       if (last)
    00575          dirintro = "dir-intro";
    00576       else
    00577          dirintro = "dir-intro-fn";
    00578    }
    00579
    00580    if (chan->_state != AST_STATE_UP)
    00581       res = ast_answer(chan);
    00582
    00583    for (;;) {
    00584       if (!res)
    00585          res = ast_streamfile(chan, dirintro, chan->language);
    00586       if (!res)
    00587          res = ast_waitstream(chan, AST_DIGIT_ANY);
    00588       ast_stopstream(chan);
    00589       if (!res)
    00590          res = ast_waitfordigit(chan, 5000);
    00591       if (res > 0) {
    00592          res = do_directory(chan, cfg, context, dialcontext, res, last, fromappvm);
    00593          if (res > 0) {
    00594             res = ast_waitstream(chan, AST_DIGIT_ANY);
    00595             ast_stopstream(chan);
    00596             if (res >= 0) {
    00597                continue;
    00598             }
    00599          }
    00600       }
    00601       break;
    00602    }
    00603    ast_config_destroy(cfg);
    00604    LOCAL_USER_REMOVE(u);
    00605    return res;
    00606 }
    00607
    00608 int unload_module(void)
    00609 {
    00610    int res;
    00611
    00612    res = ast_unregister_application(app);
    00613
    00614    STANDARD_HANGUP_LOCALUSERS;
    00615
    00616    return res;
    00617 }
    00618
    00619 int load_module(void)
    00620 {
    00621 #ifdef USE_ODBC_STORAGE
    00622    struct ast_config *cfg = ast_config_load(VOICEMAIL_CONFIG);
    00623    char *tmp;
    00624
    00625    if (cfg) {
    00626       if ((tmp = ast_variable_retrieve(cfg, "general", "odbcstorage"))) {
    00627          ast_copy_string(odbc_database, tmp, sizeof(odbc_database));
    00628       }
    00629       if ((tmp = ast_variable_retrieve(cfg, "general", "odbctable"))) {
    00630          ast_copy_string(odbc_table, tmp, sizeof(odbc_table));
    00631       }
    00632       if ((tmp = ast_variable_retrieve(cfg, "general", "format"))) {
    00633          ast_copy_string(vmfmts, tmp, sizeof(vmfmts));
    00634       }
    00635       ast_config_destroy(cfg);
    00636    } else
    00637       ast_log(LOG_WARNING, "Unable to load " VOICEMAIL_CONFIG " - ODBC defaults will be used\n");
    00638 #endif
    00639
    00640    return ast_register_application(app, directory_exec, synopsis, descrip);
    00641 }
    00642
    00643 char *description(void)
    00644 {
    00645    return tdesc;
    00646 }
    00647
    00648 int usecount(void)
    00649 {
    00650    int res;
    00651    STANDARD_USECOUNT(res);
    00652    return res;
    00653 }
    00654
    00655 char *key()
    00656 {
    00657    return ASTERISK_GPL_KEY;
    00658 }