470 lines
14 KiB
C
470 lines
14 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2003-2005, Digium, Inc.
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*
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* Brian K. West <brian@bkw.org>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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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 Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief ODBC CDR Backend
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*
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* \author Brian K. West <brian@bkw.org>
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*
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* See also:
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* \arg http://www.unixodbc.org
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* \arg \ref Config_cdr
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* \ingroup cdr_drivers
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*/
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/*** MODULEINFO
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<depend>unixodbc</depend>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <sys/types.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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#ifndef __CYGWIN__
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#include <sql.h>
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#include <sqlext.h>
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#include <sqltypes.h>
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#else
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#include <windows.h>
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#include <w32api/sql.h>
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#include <w32api/sqlext.h>
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#include <w32api/sqltypes.h>
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#endif
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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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#define DATE_FORMAT "%Y-%m-%d %T"
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static char *name = "ODBC";
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static char *config = "cdr_odbc.conf";
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static char *dsn = NULL, *username = NULL, *password = NULL, *table = NULL;
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static int loguniqueid = 0;
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static int usegmtime = 0;
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static int dispositionstring = 0;
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static int connected = 0;
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AST_MUTEX_DEFINE_STATIC(odbc_lock);
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static int odbc_do_query(void);
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static int odbc_init(void);
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static SQLHENV ODBC_env = SQL_NULL_HANDLE; /* global ODBC Environment */
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static SQLHDBC ODBC_con; /* global ODBC Connection Handle */
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static SQLHSTMT ODBC_stmt; /* global ODBC Statement Handle */
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static void odbc_disconnect(void)
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{
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SQLDisconnect(ODBC_con);
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SQLFreeHandle(SQL_HANDLE_DBC, ODBC_con);
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SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
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connected = 0;
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}
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static int odbc_log(struct ast_cdr *cdr)
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{
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int ODBC_res;
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char sqlcmd[2048] = "", timestr[128];
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int res = 0;
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struct tm tm;
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if (usegmtime)
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gmtime_r(&cdr->start.tv_sec,&tm);
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else
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localtime_r(&cdr->start.tv_sec,&tm);
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ast_mutex_lock(&odbc_lock);
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strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
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memset(sqlcmd,0,2048);
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if (loguniqueid) {
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snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
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"(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,"
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"lastdata,duration,billsec,disposition,amaflags,accountcode,uniqueid,userfield) "
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"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)", table);
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} else {
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snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
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"(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,lastdata,"
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"duration,billsec,disposition,amaflags,accountcode) "
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"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?)", table);
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}
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if (!connected) {
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res = odbc_init();
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if (res < 0) {
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odbc_disconnect();
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ast_mutex_unlock(&odbc_lock);
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return 0;
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}
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}
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ODBC_res = SQLAllocHandle(SQL_HANDLE_STMT, ODBC_con, &ODBC_stmt);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Failure in AllocStatement %d\n", ODBC_res);
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SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
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odbc_disconnect();
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ast_mutex_unlock(&odbc_lock);
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return 0;
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}
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/* We really should only have to do this once. But for some
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strange reason if I don't it blows holes in memory like
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like a shotgun. So we just do this so its safe. */
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ODBC_res = SQLPrepare(ODBC_stmt, (unsigned char *)sqlcmd, SQL_NTS);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error in PREPARE %d\n", ODBC_res);
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SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
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odbc_disconnect();
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ast_mutex_unlock(&odbc_lock);
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return 0;
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}
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SQLBindParameter(ODBC_stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(timestr), 0, ×tr, 0, NULL);
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SQLBindParameter(ODBC_stmt, 2, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->clid), 0, cdr->clid, 0, NULL);
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SQLBindParameter(ODBC_stmt, 3, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->src), 0, cdr->src, 0, NULL);
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SQLBindParameter(ODBC_stmt, 4, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dst), 0, cdr->dst, 0, NULL);
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SQLBindParameter(ODBC_stmt, 5, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dcontext), 0, cdr->dcontext, 0, NULL);
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SQLBindParameter(ODBC_stmt, 6, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->channel), 0, cdr->channel, 0, NULL);
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SQLBindParameter(ODBC_stmt, 7, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dstchannel), 0, cdr->dstchannel, 0, NULL);
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SQLBindParameter(ODBC_stmt, 8, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastapp), 0, cdr->lastapp, 0, NULL);
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SQLBindParameter(ODBC_stmt, 9, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastdata), 0, cdr->lastdata, 0, NULL);
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SQLBindParameter(ODBC_stmt, 10, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->duration, 0, NULL);
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SQLBindParameter(ODBC_stmt, 11, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->billsec, 0, NULL);
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if (dispositionstring)
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SQLBindParameter(ODBC_stmt, 12, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(ast_cdr_disp2str(cdr->disposition)) + 1, 0, ast_cdr_disp2str(cdr->disposition), 0, NULL);
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else
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SQLBindParameter(ODBC_stmt, 12, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->disposition, 0, NULL);
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SQLBindParameter(ODBC_stmt, 13, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->amaflags, 0, NULL);
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SQLBindParameter(ODBC_stmt, 14, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->accountcode), 0, cdr->accountcode, 0, NULL);
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if (loguniqueid) {
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SQLBindParameter(ODBC_stmt, 15, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->uniqueid), 0, cdr->uniqueid, 0, NULL);
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SQLBindParameter(ODBC_stmt, 16, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->userfield), 0, cdr->userfield, 0, NULL);
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}
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if (connected) {
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res = odbc_do_query();
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if (res < 0) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Query FAILED Call not logged!\n");
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Reconnecting to dsn %s\n", dsn);
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SQLDisconnect(ODBC_con);
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res = odbc_init();
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if (res < 0) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: %s has gone away!\n", dsn);
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odbc_disconnect();
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} else {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Trying Query again!\n");
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res = odbc_do_query();
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if (res < 0) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Query FAILED Call not logged!\n");
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}
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}
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}
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} else {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Query FAILED Call not logged!\n");
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}
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SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
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ast_mutex_unlock(&odbc_lock);
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return 0;
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}
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static int odbc_unload_module(void)
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{
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ast_mutex_lock(&odbc_lock);
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if (connected) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Disconnecting from %s\n", dsn);
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SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
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odbc_disconnect();
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}
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if (dsn) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free dsn\n");
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free(dsn);
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}
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if (username) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free username\n");
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free(username);
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}
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if (password) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free password\n");
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free(password);
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}
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if (table) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: free table\n");
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free(table);
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}
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ast_cdr_unregister(name);
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ast_mutex_unlock(&odbc_lock);
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return 0;
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}
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static int odbc_load_module(void)
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{
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int res = 0;
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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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ast_mutex_lock(&odbc_lock);
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cfg = ast_config_load(config);
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if (!cfg) {
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ast_log(LOG_WARNING, "cdr_odbc: Unable to load config for ODBC CDR's: %s\n", config);
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goto out;
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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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goto out;
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}
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tmp = ast_variable_retrieve(cfg,"global","dsn");
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if (tmp == NULL) {
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ast_log(LOG_WARNING,"cdr_odbc: dsn not specified. Assuming asteriskdb\n");
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tmp = "asteriskdb";
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}
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dsn = strdup(tmp);
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if (dsn == NULL) {
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ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
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res = -1;
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goto out;
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}
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tmp = ast_variable_retrieve(cfg,"global","dispositionstring");
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if (tmp) {
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dispositionstring = ast_true(tmp);
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} else {
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dispositionstring = 0;
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}
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tmp = ast_variable_retrieve(cfg,"global","username");
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if (tmp) {
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username = strdup(tmp);
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if (username == NULL) {
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ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
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res = -1;
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goto out;
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}
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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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password = strdup(tmp);
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if (password == NULL) {
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ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
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res = -1;
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goto out;
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}
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}
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tmp = ast_variable_retrieve(cfg,"global","loguniqueid");
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if (tmp) {
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loguniqueid = ast_true(tmp);
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if (loguniqueid) {
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ast_log(LOG_DEBUG,"cdr_odbc: Logging uniqueid\n");
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} else {
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ast_log(LOG_DEBUG,"cdr_odbc: Not logging uniqueid\n");
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}
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} else {
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ast_log(LOG_DEBUG,"cdr_odbc: Not logging uniqueid\n");
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loguniqueid = 0;
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}
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tmp = ast_variable_retrieve(cfg,"global","usegmtime");
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if (tmp) {
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usegmtime = ast_true(tmp);
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if (usegmtime) {
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ast_log(LOG_DEBUG,"cdr_odbc: Logging in GMT\n");
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} else {
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ast_log(LOG_DEBUG,"cdr_odbc: Not logging in GMT\n");
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}
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} else {
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ast_log(LOG_DEBUG,"cdr_odbc: Not logging in GMT\n");
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usegmtime = 0;
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}
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tmp = ast_variable_retrieve(cfg,"global","table");
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if (tmp == NULL) {
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ast_log(LOG_WARNING,"cdr_odbc: table not specified. Assuming cdr\n");
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tmp = "cdr";
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}
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table = strdup(tmp);
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if (table == NULL) {
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ast_log(LOG_ERROR,"cdr_odbc: Out of memory error.\n");
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res = -1;
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goto out;
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}
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ast_config_destroy(cfg);
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if (option_verbose > 2) {
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: dsn is %s\n",dsn);
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if (username)
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{
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: username is %s\n",username);
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: password is [secret]\n");
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}
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else
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: retreiving username and password from odbc config\n");
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: table is %s\n",table);
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}
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res = odbc_init();
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if (res < 0) {
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ast_log(LOG_ERROR, "cdr_odbc: Unable to connect to datasource: %s\n", dsn);
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if (option_verbose > 2) {
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ast_verbose( VERBOSE_PREFIX_3 "cdr_odbc: Unable to connect to datasource: %s\n", dsn);
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}
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}
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res = ast_cdr_register(name, ast_module_info->description, odbc_log);
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if (res) {
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ast_log(LOG_ERROR, "cdr_odbc: Unable to register ODBC CDR handling\n");
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}
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out:
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ast_mutex_unlock(&odbc_lock);
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return res;
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}
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static int odbc_do_query(void)
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{
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SQLINTEGER ODBC_err;
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int ODBC_res;
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short int ODBC_mlen;
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char ODBC_msg[200], ODBC_stat[10];
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ODBC_res = SQLExecute(ODBC_stmt);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error in Query %d\n", ODBC_res);
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SQLGetDiagRec(SQL_HANDLE_DBC, ODBC_con, 1, (unsigned char *)ODBC_stat, &ODBC_err, (unsigned char *)ODBC_msg, 100, &ODBC_mlen);
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SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
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odbc_disconnect();
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return -1;
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} else {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Query Successful!\n");
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connected = 1;
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}
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return 0;
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}
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static int odbc_init(void)
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{
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int ODBC_res;
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if (ODBC_env == SQL_NULL_HANDLE || connected == 0) {
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ODBC_res = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &ODBC_env);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error AllocHandle\n");
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connected = 0;
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return -1;
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}
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ODBC_res = SQLSetEnvAttr(ODBC_env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error SetEnv\n");
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SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
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connected = 0;
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return -1;
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}
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ODBC_res = SQLAllocHandle(SQL_HANDLE_DBC, ODBC_env, &ODBC_con);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error AllocHDB %d\n", ODBC_res);
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SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
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connected = 0;
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return -1;
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}
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SQLSetConnectAttr(ODBC_con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *)10, 0);
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}
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/* Note that the username and password could be NULL here, but that is allowed in ODBC.
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In this case, the default username and password will be used from odbc.conf */
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ODBC_res = SQLConnect(ODBC_con, (SQLCHAR*)dsn, SQL_NTS, (SQLCHAR*)username, SQL_NTS, (SQLCHAR*)password, SQL_NTS);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error SQLConnect %d\n", ODBC_res);
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SQLFreeHandle(SQL_HANDLE_DBC, ODBC_con);
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SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
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connected = 0;
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return -1;
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} else {
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if (option_verbose > 10)
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ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Connected to %s\n", dsn);
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connected = 1;
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}
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return 0;
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}
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static int load_module(void)
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|
{
|
|
return odbc_load_module();
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return odbc_unload_module();
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
odbc_unload_module();
|
|
return odbc_load_module();
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "ODBC CDR Backend",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload,
|
|
);
|