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-rw-r--r--cdr/cdr_pgsql.c336
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diff --git a/cdr/cdr_pgsql.c b/cdr/cdr_pgsql.c
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--- a/cdr/cdr_pgsql.c
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-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * 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.
- */
-
-/*! \file
- *
- * \brief PostgreSQL CDR logger
- *
- * \author Matthew D. Hardeman <mhardemn@papersoft.com>
- *
- * See also
- * \arg \ref Config_cdr
- * \arg http://www.postgresql.org/
- * \ingroup cdr_drivers
- */
-
-/*** MODULEINFO
- <depend>pgsql</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <sys/types.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-
-#include <libpq-fe.h>
-
-#include "asterisk/config.h"
-#include "asterisk/options.h"
-#include "asterisk/channel.h"
-#include "asterisk/cdr.h"
-#include "asterisk/module.h"
-#include "asterisk/logger.h"
-#include "asterisk.h"
-
-#define DATE_FORMAT "%Y-%m-%d %T"
-
-static char *name = "pgsql";
-static char *config = "cdr_pgsql.conf";
-static char *pghostname = NULL, *pgdbname = NULL, *pgdbuser = NULL, *pgpassword = NULL, *pgdbport = NULL, *table = NULL;
-static int connected = 0;
-
-AST_MUTEX_DEFINE_STATIC(pgsql_lock);
-
-static PGconn *conn = NULL;
-
-static int pgsql_log(struct ast_cdr *cdr)
-{
- struct tm tm;
- time_t t = cdr->start.tv_sec;
- char sqlcmd[2048] = "", timestr[128];
- char *pgerror;
- PGresult *result;
-
- ast_mutex_lock(&pgsql_lock);
-
- ast_localtime(&t, &tm, NULL);
- 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);
- PQfinish(conn);
- conn = NULL;
- }
- }
-
- 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);
-
- /* Check for all alloca failures above at once */
- 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;
- }
-
- if (option_debug > 1)
- ast_log(LOG_DEBUG, "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);
-
- if (option_debug > 2)
- ast_log(LOG_DEBUG, "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);
- PQfinish(conn);
- conn = NULL;
- connected = 0;
- ast_mutex_unlock(&pgsql_lock);
- return -1;
- }
- }
- result = PQexec(conn, sqlcmd);
- 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;
- PQclear(result);
- 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);
- PQclear(result);
- return -1;
- }
- PQclear(result);
- }
- ast_mutex_unlock(&pgsql_lock);
- return 0;
-}
-
-static int my_unload_module(void)
-{
- PQfinish(conn);
- if (pghostname)
- free(pghostname);
- if (pgdbname)
- free(pgdbname);
- if (pgdbuser)
- free(pgdbuser);
- if (pgpassword)
- free(pgpassword);
- if (pgdbport)
- free(pgdbport);
- if (table)
- free(table);
- ast_cdr_unregister(name);
- return 0;
-}
-
-static int process_my_load_module(struct ast_config *cfg)
-{
- struct ast_variable *var;
- char *pgerror;
- const char *tmp;
-
- if (!(var = ast_variable_browse(cfg, "global")))
- return 0;
-
- 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_strdup(tmp)))
- return -1;
-
- if (!(tmp = ast_variable_retrieve(cfg, "global", "dbname"))) {
- ast_log(LOG_WARNING,"PostgreSQL database not specified. Assuming asterisk\n");
- tmp = "asteriskcdrdb";
- }
-
- if (!(pgdbname = ast_strdup(tmp)))
- return -1;
-
- if (!(tmp = ast_variable_retrieve(cfg, "global", "user"))) {
- ast_log(LOG_WARNING,"PostgreSQL database user not specified. Assuming asterisk\n");
- tmp = "asterisk";
- }
-
- if (!(pgdbuser = ast_strdup(tmp)))
- return -1;
-
- if (!(tmp = ast_variable_retrieve(cfg, "global", "password"))) {
- ast_log(LOG_WARNING,"PostgreSQL database password not specified. Assuming blank\n");
- tmp = "";
- }
-
- if (!(pgpassword = ast_strdup(tmp)))
- return -1;
-
- if (!(tmp = ast_variable_retrieve(cfg,"global","port"))) {
- ast_log(LOG_WARNING,"PostgreSQL database port not specified. Using default 5432.\n");
- tmp = "5432";
- }
-
- if (!(pgdbport = ast_strdup(tmp)))
- return -1;
-
- if (!(tmp = ast_variable_retrieve(cfg, "global", "table"))) {
- ast_log(LOG_WARNING,"CDR table not specified. Assuming cdr\n");
- tmp = "cdr";
- }
-
- if (!(table = ast_strdup(tmp)))
- return -1;
-
- if (option_debug) {
- if (ast_strlen_zero(pghostname))
- ast_log(LOG_DEBUG, "cdr_pgsql: using default unix socket\n");
- else
- ast_log(LOG_DEBUG, "cdr_pgsql: got hostname of %s\n", pghostname);
- ast_log(LOG_DEBUG, "cdr_pgsql: got port of %s\n", pgdbport);
- ast_log(LOG_DEBUG, "cdr_pgsql: got user of %s\n", pgdbuser);
- ast_log(LOG_DEBUG, "cdr_pgsql: got dbname of %s\n", pgdbname);
- ast_log(LOG_DEBUG, "cdr_pgsql: got password of %s\n", pgpassword);
- ast_log(LOG_DEBUG, "cdr_pgsql: got sql table name of %s\n", table);
- }
-
- conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
- if (PQstatus(conn) != CONNECTION_BAD) {
- if (option_debug)
- ast_log(LOG_DEBUG, "Successfully connected to PostgreSQL database.\n");
- 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);
- connected = 0;
- }
-
- return ast_cdr_register(name, ast_module_info->description, pgsql_log);
-}
-
-static int my_load_module(void)
-{
- struct ast_config *cfg;
- int res;
-
- if (!(cfg = ast_config_load(config))) {
- ast_log(LOG_WARNING, "Unable to load config for PostgreSQL CDR's: %s\n", config);
- return AST_MODULE_LOAD_DECLINE;
- }
-
- res = process_my_load_module(cfg);
- ast_config_destroy(cfg);
-
- return res;
-}
-
-static int load_module(void)
-{
- return my_load_module();
-}
-
-static int unload_module(void)
-{
- return my_unload_module();
-}
-
-static int reload(void)
-{
- int res;
- ast_mutex_lock(&pgsql_lock);
- my_unload_module();
- res = my_load_module();
- ast_mutex_unlock(&pgsql_lock);
- return res;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "PostgreSQL CDR Backend",
- .load = load_module,
- .unload = unload_module,
- .reload = reload,
- );