mirror of https://github.com/asterisk/asterisk
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1594 65c4cc65-6c06-0410-ace0-fbb531ad65f31.0
Mark Spencer
22 years ago
parent
16ae57d222
commit
8cd100de39
@ -0,0 +1,324 @@
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/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* PostgreSQL CDR logger
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*
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* Matthew D. Hardeman <mhardemn@papersoft.com>
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* Adapted from the MySQL CDR logger originally by James Sharp
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*
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* Modified September 2003
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* Matthew D. Hardeman <mhardemn@papersoft.com>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License.
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*
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*/
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#include <sys/types.h>
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#include <asterisk/config.h>
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#include <asterisk/options.h>
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#include <asterisk/channel.h>
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#include <asterisk/cdr.h>
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#include <asterisk/module.h>
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#include <asterisk/logger.h>
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#include "../asterisk.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <libpq-fe.h>
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#include <errmsg.h>
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#define DATE_FORMAT "%Y-%m-%d %T"
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static char *desc = "PostgreSQL CDR Backend";
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static char *name = "pgsql";
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static char *config = "cdr_pgsql.conf";
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static char *pghostname = NULL, *pgdbname = NULL, *pgdbuser = NULL, *pgpassword = NULL, *pgdbsock = NULL, *pgdbport = NULL;
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static int hostname_alloc = 0, dbname_alloc = 0, dbuser_alloc = 0, password_alloc = 0, dbsock_alloc = 0, dbport_alloc = 0;
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static int connected = 0;
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static ast_mutex_t pgsql_lock = AST_MUTEX_INITIALIZER;
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PGconn *conn;
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PGresult *result;
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static int pgsql_log(struct ast_cdr *cdr)
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{
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struct tm tm;
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struct timeval tv;
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char sqlcmd[2048], timestr[128];
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time_t t;
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ast_mutex_lock(&pgsql_lock);
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memset(sqlcmd,0,2048);
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gettimeofday(&tv,NULL);
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t = tv.tv_sec;
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localtime_r(&t,&tm);
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strftime(timestr,128,DATE_FORMAT,&tm);
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if ((!connected) && pghostname && pgdbuser && pgpassword && pgdbname) {
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conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
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if (PQstatus(conn) != CONNECTION_BAD) {
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connected = 1;
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} else {
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ast_log(LOG_ERROR, "cdr_pgsql: cannot connect to database server %s. Call will not be logged\n", pghostname);
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}
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} else {
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/* Test to be sure we're still connected... */
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/* If we're connected, and connection is working, good. */
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/* Otherwise, attempt reconnect. If it fails... sorry... */
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if (PQstatus(conn) == CONNECTION_OK) {
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connected = 1;
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} else {
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ast_log(LOG_ERROR, "cdr_pgsql: connection was lost... reattempting connection.");
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PQreset(conn);
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if (PQstatus(conn) == CONNECTION_OK) {
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ast_log(LOG_ERROR, "cdr_pgsql: connection reestablished.");
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connected = 1;
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} else {
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ast_log(LOG_ERROR, "cdr_pgsql: unable to reconnect to database.");
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connected = 0;
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}
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}
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}
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if (connected) {
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char *clid=NULL, *dcontext=NULL, *channel=NULL, *dstchannel=NULL, *lastapp=NULL, *lastdata=NULL;
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char *uniqueid=NULL;
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/* Maximum space needed would be if all characters needed to be escaped, plus a trailing NULL */
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if ((clid = alloca(strlen(cdr->clid) * 2 + 1)) != NULL)
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PQescapeString(clid, cdr->clid, strlen(cdr->clid));
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if ((dcontext = alloca(strlen(cdr->dcontext) * 2 + 1)) != NULL)
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PQescapeString(dcontext, cdr->dcontext, strlen(cdr->dcontext));
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if ((channel = alloca(strlen(cdr->channel) * 2 + 1)) != NULL)
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PQescapeString(channel, cdr->channel, strlen(cdr->channel));
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if ((dstchannel = alloca(strlen(cdr->dstchannel) * 2 + 1)) != NULL)
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PQescapeString(dstchannel, cdr->dstchannel, strlen(cdr->dstchannel));
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if ((lastapp = alloca(strlen(cdr->lastapp) * 2 + 1)) != NULL)
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PQescapeString(lastapp, cdr->lastapp, strlen(cdr->lastapp));
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if ((lastdata = alloca(strlen(cdr->lastdata) * 2 + 1)) != NULL)
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PQescapeString(lastdata, cdr->lastdata, strlen(cdr->lastdata));
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if ((uniqueid = alloca(strlen(cdr->uniqueid) * 2 + 1)) != NULL)
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PQescapeString(uniqueid, cdr->uniqueid, strlen(cdr->uniqueid));
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/* Check for all alloca failures above at once */
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if ((!clid) || (!dcontext) || (!channel) || (!dstchannel) || (!lastapp) || (!lastdata) || (!uniqueid)) {
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ast_log(LOG_ERROR, "cdr_pgsql: Out of memory error (insert fails)\n");
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ast_mutex_unlock(&pgsql_lock);
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return -1;
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}
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ast_log(LOG_DEBUG,"cdr_pgsql: inserting a CDR record.\n");
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sprintf(sqlcmd,"INSERT INTO cdr (calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,lastdata,duration,billsec,disposition,amaflags,accountcode,uniqueid) VALUES ('%s','%s','%s','%s','%s', '%s','%s','%s','%s',%i,%i,'%s',%i,'%s','%s')",timestr,clid,cdr->src, cdr->dst, dcontext,channel, dstchannel, lastapp, lastdata,cdr->duration,cdr->billsec,ast_cdr_disp2str(cdr->disposition),cdr->amaflags, cdr->accountcode, uniqueid);
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ast_log(LOG_DEBUG,"cdr_pgsql: SQL command as follows: %s\n",sqlcmd);
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result = PQexec(conn, sqlcmd);
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if ( PQresultStatus(result) != PGRES_COMMAND_OK) {
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ast_log(LOG_ERROR,"cdr_pgsql: Failed to insert call detail record into database.");
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ast_mutex_unlock(&pgsql_lock);
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return -1;
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}
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}
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ast_mutex_unlock(&pgsql_lock);
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return 0;
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}
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char *description(void)
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{
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return desc;
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}
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static int my_unload_module(void)
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{
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PQfinish(conn);
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connected = 0;
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if (pghostname && hostname_alloc) {
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free(pghostname);
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pghostname = NULL;
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hostname_alloc = 0;
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}
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if (pgdbname && dbname_alloc) {
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free(pgdbname);
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pgdbname = NULL;
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dbname_alloc = 0;
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}
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if (pgdbuser && dbuser_alloc) {
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free(pgdbuser);
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pgdbuser = NULL;
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dbuser_alloc = 0;
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}
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if (pgdbsock && dbsock_alloc) {
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free(pgdbsock);
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pgdbsock = NULL;
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dbsock_alloc = 0;
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}
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if (pgpassword && password_alloc) {
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free(pgpassword);
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pgpassword = NULL;
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password_alloc = 0;
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}
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if (pgdbport && dbport_alloc) {
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free(pgdbport);
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pgdbport = NULL;
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dbport_alloc = 0;
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}
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ast_cdr_unregister(name);
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return 0;
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}
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static int my_load_module(void)
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{
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int res;
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struct ast_config *cfg;
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struct ast_variable *var;
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char *tmp;
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cfg = ast_load(config);
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if (!cfg) {
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ast_log(LOG_WARNING, "Unable to load config for PostgreSQL CDR's: %s\n", config);
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return 0;
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}
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var = ast_variable_browse(cfg, "global");
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if (!var) {
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/* nothing configured */
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return 0;
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}
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tmp = ast_variable_retrieve(cfg,"global","hostname");
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if (tmp) {
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pghostname = malloc(strlen(tmp) + 1);
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if (pghostname != NULL) {
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hostname_alloc = 1;
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strcpy(pghostname,tmp);
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} else {
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ast_log(LOG_ERROR,"Out of memory error.\n");
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return -1;
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}
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} else {
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ast_log(LOG_WARNING,"PostgreSQL server hostname not specified. Assuming localhost\n");
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pghostname = "localhost";
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}
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tmp = ast_variable_retrieve(cfg,"global","dbname");
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if (tmp) {
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pgdbname = malloc(strlen(tmp) + 1);
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if (pgdbname != NULL) {
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dbname_alloc = 1;
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strcpy(pgdbname,tmp);
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} else {
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ast_log(LOG_ERROR,"Out of memory error.\n");
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return -1;
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}
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} else {
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ast_log(LOG_WARNING,"PostgreSQL database not specified. Assuming asteriskcdrdb\n");
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pgdbname = "asteriskcdrdb";
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}
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tmp = ast_variable_retrieve(cfg,"global","user");
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if (tmp) {
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pgdbuser = malloc(strlen(tmp) + 1);
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if (pgdbuser != NULL) {
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dbuser_alloc = 1;
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strcpy(pgdbuser,tmp);
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} else {
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ast_log(LOG_ERROR,"Out of memory error.\n");
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return -1;
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}
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} else {
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ast_log(LOG_WARNING,"PostgreSQL database user not specified. Assuming root\n");
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pgdbuser = "root";
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}
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tmp = ast_variable_retrieve(cfg,"global","password");
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if (tmp) {
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pgpassword = malloc(strlen(tmp) + 1);
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if (pgpassword != NULL) {
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password_alloc = 1;
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strcpy(pgpassword,tmp);
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} else {
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ast_log(LOG_ERROR,"Out of memory error.\n");
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return -1;
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}
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} else {
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ast_log(LOG_WARNING,"PostgreSQL database password not specified. Assuming blank\n");
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pgpassword = "";
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}
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tmp = ast_variable_retrieve(cfg,"global","port");
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if (tmp) {
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pgdbport = malloc(strlen(tmp) + 1);
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if (pgdbport != NULL) {
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dbport_alloc = 1;
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strcpy(pgdbport,tmp);
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} else {
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ast_log(LOG_ERROR,"Out of memory error.\n");
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return -1;
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}
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} else {
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ast_log(LOG_WARNING,"PostgreSQL database port not specified. Using default.\n");
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pgdbport = "5432";
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}
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ast_destroy(cfg);
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ast_log(LOG_DEBUG,"cdr_pgsql: got hostname of %s\n",pghostname);
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ast_log(LOG_DEBUG,"cdr_pgsql: got port of %s\n",pgdbport);
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if (pgdbsock)
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ast_log(LOG_DEBUG,"cdr_pgsql: got sock file of %s\n",pgdbsock);
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ast_log(LOG_DEBUG,"cdr_pgsql: got user of %s\n",pgdbuser);
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ast_log(LOG_DEBUG,"cdr_pgsql: got dbname of %s\n",pgdbname);
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ast_log(LOG_DEBUG,"cdr_pgsql: got password of %s\n",pgpassword);
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conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
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if (PQstatus(conn) != CONNECTION_BAD) {
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ast_log(LOG_DEBUG,"Successfully connected to PostgreSQL database.\n");
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connected = 1;
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} else {
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ast_log(LOG_ERROR, "cdr_pgsql: cannot connect to database server %s. Call will not be logged\n", pghostname);
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connected = 0;
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}
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res = ast_cdr_register(name, desc, pgsql_log);
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if (res) {
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ast_log(LOG_ERROR, "Unable to register PGSQL CDR handling\n");
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}
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return res;
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}
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int load_module(void)
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{
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return my_load_module();
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}
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int unload_module(void)
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{
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return my_unload_module();
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}
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int reload(void)
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{
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my_unload_module();
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return my_load_module();
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}
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int usecount(void)
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{
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return connected;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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