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* Asterisk -- An open source telephony toolkit.
Olle Johansson
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* Copyright (C) 2003 - 2006
* Matthew D. Hardeman <mhardemn@papersoft.com>
* Adapted from the MySQL CDR logger originally by James Sharp
*
* Modified September 2003
* Matthew D. Hardeman <mhardemn@papersoft.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
*
* \brief PostgreSQL CDR logger
*
* \author Matthew D. Hardeman <mhardemn@papersoft.com>
* \extref PostgreSQL http://www.postgresql.org/
* See also
* \arg \ref Config_cdr
* \arg http://www.postgresql.org/
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/*** MODULEINFO
<depend>pgsql</depend>
***/
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#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/config.h"
#include "asterisk/channel.h"
#include "asterisk/cdr.h"
#include "asterisk/module.h"
#define DATE_FORMAT "%Y-%m-%d %T"
static char *name = "pgsql";
static char *config = "cdr_pgsql.conf";
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static char *pghostname = NULL, *pgdbname = NULL, *pgdbuser = NULL, *pgpassword = NULL, *pgdbport = NULL, *table = NULL;
AST_MUTEX_DEFINE_STATIC(pgsql_lock);
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struct ast_tm tm;
char sqlcmd[2048] = "", timestr[128];
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char *pgerror;
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ast_localtime(&cdr->start, &tm, NULL);
ast_strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
if ((!connected) && pghostname && pgdbuser && pgpassword && pgdbname) {
conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
if (PQstatus(conn) != CONNECTION_BAD) {
connected = 1;
} else {
pgerror = PQerrorMessage(conn);
ast_log(LOG_ERROR, "cdr_pgsql: Unable to connect to database server %s. Calls will not be logged!\n", pghostname);
ast_log(LOG_ERROR, "cdr_pgsql: Reason: %s\n", pgerror);
}
}
if (connected) {
char *clid=NULL, *dcontext=NULL, *channel=NULL, *dstchannel=NULL, *lastapp=NULL, *lastdata=NULL;
char *src=NULL, *dst=NULL, *uniqueid=NULL, *userfield=NULL;
int pgerr;
/* Maximum space needed would be if all characters needed to be escaped, plus a trailing NULL */
if ((clid = alloca(strlen(cdr->clid) * 2 + 1)) != NULL)
PQescapeStringConn(conn, clid, cdr->clid, strlen(cdr->clid), &pgerr);
if ((dcontext = alloca(strlen(cdr->dcontext) * 2 + 1)) != NULL)
PQescapeStringConn(conn, dcontext, cdr->dcontext, strlen(cdr->dcontext), &pgerr);
if ((channel = alloca(strlen(cdr->channel) * 2 + 1)) != NULL)
PQescapeStringConn(conn, channel, cdr->channel, strlen(cdr->channel), &pgerr);
if ((dstchannel = alloca(strlen(cdr->dstchannel) * 2 + 1)) != NULL)
PQescapeStringConn(conn, dstchannel, cdr->dstchannel, strlen(cdr->dstchannel), &pgerr);
if ((lastapp = alloca(strlen(cdr->lastapp) * 2 + 1)) != NULL)
PQescapeStringConn(conn, lastapp, cdr->lastapp, strlen(cdr->lastapp), &pgerr);
if ((lastdata = alloca(strlen(cdr->lastdata) * 2 + 1)) != NULL)
PQescapeStringConn(conn, lastdata, cdr->lastdata, strlen(cdr->lastdata), &pgerr);
if ((uniqueid = alloca(strlen(cdr->uniqueid) * 2 + 1)) != NULL)
PQescapeStringConn(conn, uniqueid, cdr->uniqueid, strlen(cdr->uniqueid), &pgerr);
if ((userfield = alloca(strlen(cdr->userfield) * 2 + 1)) != NULL)
PQescapeStringConn(conn, userfield, cdr->userfield, strlen(cdr->userfield), &pgerr);
if ((src = alloca(strlen(cdr->src) * 2 + 1)) != NULL)
PQescapeStringConn(conn, src, cdr->src, strlen(cdr->src), &pgerr);
if ((dst = alloca(strlen(cdr->dst) * 2 + 1)) != NULL)
PQescapeStringConn(conn, dst, cdr->dst, strlen(cdr->dst), &pgerr);
if ((!clid) || (!dcontext) || (!channel) || (!dstchannel) || (!lastapp) || (!lastdata) || (!uniqueid) || (!userfield) || (!src) || (!dst)) {
ast_log(LOG_ERROR, "cdr_pgsql: Out of memory error (insert fails)\n");
ast_mutex_unlock(&pgsql_lock);
return -1;
}
ast_debug(2, "cdr_pgsql: inserting a CDR record.\n");
snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s (calldate,clid,src,dst,dcontext,channel,dstchannel,"
"lastapp,lastdata,duration,billsec,disposition,amaflags,accountcode,uniqueid,userfield) VALUES"
" ('%s','%s','%s','%s','%s', '%s','%s','%s','%s',%ld,%ld,'%s',%ld,'%s','%s','%s')",
table, timestr, clid, src, dst, dcontext, channel, dstchannel, lastapp, lastdata,
cdr->duration,cdr->billsec,ast_cdr_disp2str(cdr->disposition),cdr->amaflags, cdr->accountcode, uniqueid, userfield);
ast_debug(3, "cdr_pgsql: SQL command executed: %s\n",sqlcmd);
/* Test to be sure we're still connected... */
/* If we're connected, and connection is working, good. */
/* Otherwise, attempt reconnect. If it fails... sorry... */
if (PQstatus(conn) == CONNECTION_OK) {
connected = 1;
} else {
ast_log(LOG_ERROR, "cdr_pgsql: Connection was lost... attempting to reconnect.\n");
PQreset(conn);
if (PQstatus(conn) == CONNECTION_OK) {
ast_log(LOG_ERROR, "cdr_pgsql: Connection reestablished.\n");
connected = 1;
} else {
pgerror = PQerrorMessage(conn);
ast_log(LOG_ERROR, "cdr_pgsql: Unable to reconnect to database server %s. Calls will not be logged!\n", pghostname);
ast_log(LOG_ERROR, "cdr_pgsql: Reason: %s\n", pgerror);
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
pgerror = PQresultErrorMessage(result);
ast_log(LOG_ERROR,"cdr_pgsql: Failed to insert call detail record into database!\n");
ast_log(LOG_ERROR,"cdr_pgsql: Reason: %s\n", pgerror);
ast_log(LOG_ERROR,"cdr_pgsql: Connection may have been lost... attempting to reconnect.\n");
PQreset(conn);
if (PQstatus(conn) == CONNECTION_OK) {
ast_log(LOG_ERROR, "cdr_pgsql: Connection reestablished.\n");
connected = 1;
result = PQexec(conn, sqlcmd);
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
pgerror = PQresultErrorMessage(result);
ast_log(LOG_ERROR,"cdr_pgsql: HARD ERROR! Attempted reconnection failed. DROPPING CALL RECORD!\n");
ast_log(LOG_ERROR,"cdr_pgsql: Reason: %s\n", pgerror);
}
}
}
ast_mutex_unlock(&pgsql_lock);
return 0;
}
static int unload_module(void)
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ast_free(pghostname);
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ast_free(pgdbname);
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ast_free(pgdbuser);
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ast_free(pgpassword);
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ast_free(pgdbport);
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ast_free(table);
static int config_module(int reload)
char *pgerror;
struct ast_config *cfg;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
if ((cfg = ast_config_load(config, config_flags)) == NULL) {
ast_log(LOG_WARNING, "Unable to load config for PostgreSQL CDR's: %s\n", config);
return -1;
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED)
return 0;
if (!(var = ast_variable_browse(cfg, "global"))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg, "global", "hostname"))) {
ast_log(LOG_WARNING, "PostgreSQL server hostname not specified. Assuming unix socket connection\n");
tmp = ""; /* connect via UNIX-socket by default */
if (pghostname)
ast_free(pghostname);
if (!(pghostname = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg, "global", "dbname"))) {
ast_log(LOG_WARNING,"PostgreSQL database not specified. Assuming asterisk\n");
tmp = "asteriskcdrdb";
}
if (pgdbname)
ast_free(pgdbname);
if (!(pgdbname = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg, "global", "user"))) {
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ast_log(LOG_WARNING,"PostgreSQL database user not specified. Assuming asterisk\n");
tmp = "asterisk";
if (pgdbuser)
ast_free(pgdbuser);
if (!(pgdbuser = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg, "global", "password"))) {
ast_log(LOG_WARNING,"PostgreSQL database password not specified. Assuming blank\n");
if (pgpassword)
ast_free(pgpassword);
if (!(pgpassword = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg,"global","port"))) {
ast_log(LOG_WARNING,"PostgreSQL database port not specified. Using default 5432.\n");
if (pgdbport)
ast_free(pgdbport);
if (!(pgdbport = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (!(tmp = ast_variable_retrieve(cfg, "global", "table"))) {
ast_log(LOG_WARNING,"CDR table not specified. Assuming cdr\n");
if (table)
ast_free(table);
if (!(table = ast_strdup(tmp))) {
ast_config_destroy(cfg);
}
if (ast_strlen_zero(pghostname))
ast_debug(1, "cdr_pgsql: using default unix socket\n");
else
ast_debug(1, "cdr_pgsql: got hostname of %s\n", pghostname);
ast_debug(1, "cdr_pgsql: got port of %s\n", pgdbport);
ast_debug(1, "cdr_pgsql: got user of %s\n", pgdbuser);
ast_debug(1, "cdr_pgsql: got dbname of %s\n", pgdbname);
ast_debug(1, "cdr_pgsql: got password of %s\n", pgpassword);
ast_debug(1, "cdr_pgsql: got sql table name of %s\n", table);
conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
if (PQstatus(conn) != CONNECTION_BAD) {
ast_debug(1, "Successfully connected to PostgreSQL database.\n");
pgerror = PQerrorMessage(conn);
ast_log(LOG_ERROR, "cdr_pgsql: Unable to connect to database server %s. CALLS WILL NOT BE LOGGED!!\n", pghostname);
ast_log(LOG_ERROR, "cdr_pgsql: Reason: %s\n", pgerror);
ast_config_destroy(cfg);
return ast_cdr_register(name, ast_module_info->description, pgsql_log);
static int load_module(void)
return config_module(0) ? AST_MODULE_LOAD_DECLINE : 0;
static int reload(void)
return config_module(1);
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "PostgreSQL CDR Backend",
.load = load_module,
.unload = unload_module,
.reload = reload,
);