cdr/cdr_manager.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2004 - 2005
   5  *
   6  * See http://www.asterisk.org for more information about
   7  * the Asterisk project. Please do not directly contact
   8  * any of the maintainers of this project for assistance;
   9  * the project provides a web site, mailing lists and IRC
  10  * channels for your use.
  11  *
  12  * This program is free software, distributed under the terms of
  13  * the GNU General Public License Version 2. See the LICENSE file
  14  * at the top of the source tree.
  15  */
  16
  17 /*! \file
  18  *
  19  * \brief Asterisk Call Manager CDR records.
  20  *
  21  * See also
  22  * \arg \ref AstCDR
  23  * \arg \ref AstAMI
  24  * \arg \ref Config_ami
  25  * \ingroup cdr_drivers
  26  */
  27
  28 #include "asterisk.h"
  29
  30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  31
  32 #include <sys/types.h>
  33 #include <strings.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36
  37 #include "asterisk/channel.h"
  38 #include "asterisk/cdr.h"
  39 #include "asterisk/module.h"
  40 #include "asterisk/logger.h"
  41 #include "asterisk/utils.h"
  42 #include "asterisk/manager.h"
  43 #include "asterisk/config.h"
  44 #include "asterisk/pbx.h"
  45
  46 #define DATE_FORMAT     "%Y-%m-%d %T"
  47 #define CONF_FILE       "cdr_manager.conf"
  48 #define CUSTOM_FIELDS_BUF_SIZE 1024
  49
  50 static char *name = "cdr_manager";
  51
  52 static int enablecdr = 0;
  53 struct ast_str *customfields;
  54
  55 static int load_config(void)
  56 {
  57         char *cat = NULL;
  58         struct ast_config *cfg;
  59         struct ast_variable *v;
  60
  61         customfields = NULL;
  62
  63         cfg = ast_config_load(CONF_FILE);
  64         if (!cfg) {
  65                 /* Standard configuration */
  66                 ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
  67                 enablecdr = 0;
  68                 return 0;
  69         }
  70
  71         while ( (cat = ast_category_browse(cfg, cat)) ) {
  72                 if (!strcasecmp(cat, "general")) {
  73                         v = ast_variable_browse(cfg, cat);
  74                         while (v) {
  75                                 if (!strcasecmp(v->name, "enabled")) {
  76                                         enablecdr = ast_true(v->value);
  77                                 }
  78
  79                                 v = v->next;
  80                         }
  81                 } else if (!strcasecmp(cat, "mappings")) {
  82                         customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
  83                         v = ast_variable_browse(cfg, cat);
  84                         while (v) {
  85                                 if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
  86                                         if( (customfields->used + strlen(v->value) + strlen(v->name) + 14) < customfields->len) {
  87                                                 ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
  88                                                 ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
  89                                         } else {
  90                                                 ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
  91                                                 break;
  92                                         }
  93
  94                                 }
  95                                 v = v->next;
  96                         }
  97                 }
  98         }
  99
 100         ast_config_destroy(cfg);
 101         return 1;
 102 }
 103
 104 static int manager_log(struct ast_cdr *cdr)
 105 {
 106         time_t t;
 107         struct tm timeresult;
 108         char strStartTime[80] = "";
 109         char strAnswerTime[80] = "";
 110         char strEndTime[80] = "";
 111         char buf[CUSTOM_FIELDS_BUF_SIZE];
 112         struct ast_channel dummy;
 113
 114         if (!enablecdr)
 115                 return 0;
 116
 117         t = cdr->start.tv_sec;
 118         ast_localtime(&t, &timeresult, NULL);
 119         strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
 120
 121         if (cdr->answer.tv_sec) {
 122                 t = cdr->answer.tv_sec;
 123                 ast_localtime(&t, &timeresult, NULL);
 124                 strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
 125         }
 126
 127         t = cdr->end.tv_sec;
 128         ast_localtime(&t, &timeresult, NULL);
 129         strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
 130
 131         /* Custom fields handling */
 132         memset(buf, 0 , sizeof(buf));
 133         if (customfields != NULL && customfields->used > 0) {
 134                 memset(&dummy, 0, sizeof(dummy));
 135                 dummy.cdr = cdr;
 136                 pbx_substitute_variables_helper(&dummy, customfields->str, buf, sizeof(buf) - 1);
 137         }
 138
 139         manager_event(EVENT_FLAG_CALL, "Cdr",
 140             "AccountCode: %s\r\n"
 141             "Source: %s\r\n"
 142             "Destination: %s\r\n"
 143             "DestinationContext: %s\r\n"
 144             "CallerID: %s\r\n"
 145             "Channel: %s\r\n"
 146             "DestinationChannel: %s\r\n"
 147             "LastApplication: %s\r\n"
 148             "LastData: %s\r\n"
 149             "StartTime: %s\r\n"
 150             "AnswerTime: %s\r\n"
 151             "EndTime: %s\r\n"
 152             "Duration: %ld\r\n"
 153             "BillableSeconds: %ld\r\n"
 154             "Disposition: %s\r\n"
 155             "AMAFlags: %s\r\n"
 156             "UniqueID: %s\r\n"
 157             "UserField: %s\r\n"
 158             "%s",
 159             cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
 160             cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
 161             cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
 162             ast_cdr_flags2str(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
 163
 164         return 0;
 165 }
 166
 167 static int unload_module(void)
 168 {
 169         ast_cdr_unregister(name);
 170         if (customfields)
 171                 ast_free(customfields);
 172
 173         return 0;
 174 }
 175
 176 static int load_module(void)
 177 {
 178         int res;
 179
 180         /* Configuration file */
 181         if (!load_config())
 182                 return AST_MODULE_LOAD_DECLINE;
 183
 184         res = ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log);
 185         if (res) {
 186                 ast_log(LOG_ERROR, "Unable to register Asterisk Call Manager CDR handling\n");
 187         }
 188
 189         return res;
 190 }
 191
 192 static int reload(void)
 193 {
 194         if (customfields) {
 195                 ast_free(customfields);
 196         }
 197
 198         load_config();
 199         return 0;
 200 }
 201
 202 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Asterisk Manager Interface CDR Backend",
 203                 .load = load_module,
 204                 .unload = unload_module,
 205                 .reload = reload,
 206                );