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 <time.h>
  33
  34 #include "asterisk/channel.h"
  35 #include "asterisk/cdr.h"
  36 #include "asterisk/module.h"
  37 #include "asterisk/utils.h"
  38 #include "asterisk/manager.h"
  39 #include "asterisk/config.h"
  40 #include "asterisk/pbx.h"
  41
  42 #define DATE_FORMAT     "%Y-%m-%d %T"
  43 #define CONF_FILE       "cdr_manager.conf"
  44 #define CUSTOM_FIELDS_BUF_SIZE 1024
  45
  46 static char *name = "cdr_manager";
  47
  48 static int enablecdr = 0;
  49 struct ast_str *customfields;
  50
  51 static int manager_log(struct ast_cdr *cdr);
  52
  53 static int load_config(int reload)
  54 {
  55         char *cat = NULL;
  56         struct ast_config *cfg;
  57         struct ast_variable *v;
  58         struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
  59         int newenablecdr = 0;
  60
  61         cfg = ast_config_load(CONF_FILE, config_flags);
  62         if (cfg == CONFIG_STATUS_FILEUNCHANGED)
  63                 return 0;
  64
  65         if (cfg == CONFIG_STATUS_FILEINVALID) {
  66                 ast_log(LOG_ERROR, "Config file '%s' could not be parsed\n", CONF_FILE);
  67                 return 1;
  68         }
  69
  70         if (reload && customfields) {
  71                 ast_free(customfields);
  72         }
  73         customfields = NULL;
  74
  75         if (!cfg) {
  76                 /* Standard configuration */
  77                 ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
  78                 if (enablecdr)
  79                         ast_cdr_unregister(name);
  80                 enablecdr = 0;
  81                 return 0;
  82         }
  83
  84         while ( (cat = ast_category_browse(cfg, cat)) ) {
  85                 if (!strcasecmp(cat, "general")) {
  86                         v = ast_variable_browse(cfg, cat);
  87                         while (v) {
  88                                 if (!strcasecmp(v->name, "enabled"))
  89                                         newenablecdr = ast_true(v->value);
  90
  91                                 v = v->next;
  92                         }
  93                 } else if (!strcasecmp(cat, "mappings")) {
  94                         customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
  95                         v = ast_variable_browse(cfg, cat);
  96                         while (v) {
  97                                 if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
  98                                         if ((ast_str_strlen(customfields) + strlen(v->value) + strlen(v->name) + 14) < ast_str_size(customfields)) {
  99                                                 ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
 100                                                 ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
 101                                         } else {
 102                                                 ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
 103                                                 break;
 104                                         }
 105
 106                                 }
 107                                 v = v->next;
 108                         }
 109                 }
 110         }
 111
 112         ast_config_destroy(cfg);
 113
 114         if (enablecdr && !newenablecdr)
 115                 ast_cdr_unregister(name);
 116         else if (!enablecdr && newenablecdr)
 117                 ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log);
 118         enablecdr = newenablecdr;
 119
 120         return 1;
 121 }
 122
 123 static int manager_log(struct ast_cdr *cdr)
 124 {
 125         struct ast_tm timeresult;
 126         char strStartTime[80] = "";
 127         char strAnswerTime[80] = "";
 128         char strEndTime[80] = "";
 129         char buf[CUSTOM_FIELDS_BUF_SIZE];
 130         struct ast_channel dummy;
 131
 132         if (!enablecdr)
 133                 return 0;
 134
 135         ast_localtime(&cdr->start, &timeresult, NULL);
 136         ast_strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
 137
 138         if (cdr->answer.tv_sec) {
 139                 ast_localtime(&cdr->answer, &timeresult, NULL);
 140                 ast_strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
 141         }
 142
 143         ast_localtime(&cdr->end, &timeresult, NULL);
 144         ast_strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
 145
 146         buf[0] = 0;
 147         /* Custom fields handling */
 148         if (customfields != NULL && ast_str_strlen(customfields)) {
 149                 memset(&dummy, 0, sizeof(dummy));
 150                 dummy.cdr = cdr;
 151                 pbx_substitute_variables_helper(&dummy, ast_str_buffer(customfields), buf, sizeof(buf) - 1);
 152         }
 153
 154         manager_event(EVENT_FLAG_CDR, "Cdr",
 155             "AccountCode: %s\r\n"
 156             "Source: %s\r\n"
 157             "Destination: %s\r\n"
 158             "DestinationContext: %s\r\n"
 159             "CallerID: %s\r\n"
 160             "Channel: %s\r\n"
 161             "DestinationChannel: %s\r\n"
 162             "LastApplication: %s\r\n"
 163             "LastData: %s\r\n"
 164             "StartTime: %s\r\n"
 165             "AnswerTime: %s\r\n"
 166             "EndTime: %s\r\n"
 167             "Duration: %ld\r\n"
 168             "BillableSeconds: %ld\r\n"
 169             "Disposition: %s\r\n"
 170             "AMAFlags: %s\r\n"
 171             "UniqueID: %s\r\n"
 172             "UserField: %s\r\n"
 173             "%s",
 174             cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
 175             cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
 176             cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
 177             ast_cdr_flags2str(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
 178
 179         return 0;
 180 }
 181
 182 static int unload_module(void)
 183 {
 184         ast_cdr_unregister(name);
 185         if (customfields)
 186                 ast_free(customfields);
 187
 188         return 0;
 189 }
 190
 191 static int load_module(void)
 192 {
 193         /* Configuration file */
 194         if (!load_config(0))
 195                 return AST_MODULE_LOAD_DECLINE;
 196
 197         return AST_MODULE_LOAD_SUCCESS;
 198 }
 199
 200 static int reload(void)
 201 {
 202         return load_config(1);
 203 }
 204
 205 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Asterisk Manager Interface CDR Backend",
 206                 .load = load_module,
 207                 .unload = unload_module,
 208                 .reload = reload,
 209                );