330 lines
10 KiB
C
330 lines
10 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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/*!
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* \file
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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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* http://www.unixodbc.org
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* \ingroup cdr_drivers
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*/
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/*! \li \ref cdr_odbc.c uses the configuration file \ref cdr_odbc.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page cdr_odbc.conf cdr_odbc.conf
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* \verbinclude cdr_odbc.conf.sample
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*/
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/*** MODULEINFO
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<depend>res_odbc</depend>
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<depend>generic_odbc</depend>
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<support_level>extended</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/config.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/res_odbc.h"
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#define DATE_FORMAT "%Y-%m-%d %T"
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static const char name[] = "ODBC";
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static const char config_file[] = "cdr_odbc.conf";
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static char *dsn = NULL, *table = NULL;
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enum {
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CONFIG_LOGUNIQUEID = 1 << 0,
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CONFIG_USEGMTIME = 1 << 1,
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CONFIG_DISPOSITIONSTRING = 1 << 2,
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CONFIG_HRTIME = 1 << 3,
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CONFIG_REGISTERED = 1 << 4,
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CONFIG_NEWCDRCOLUMNS = 1 << 5,
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};
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static struct ast_flags config = { 0 };
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static SQLHSTMT execute_cb(struct odbc_obj *obj, void *data)
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{
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struct ast_cdr *cdr = data;
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SQLRETURN ODBC_res;
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char sqlcmd[2048] = "", timestr[128], new_columns[120] = "", new_values[7] = "";
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struct ast_tm tm;
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SQLHSTMT stmt;
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int i = 0;
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ast_localtime(&cdr->start, &tm, ast_test_flag(&config, CONFIG_USEGMTIME) ? "GMT" : NULL);
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ast_strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
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if (ast_test_flag(&config, CONFIG_NEWCDRCOLUMNS)) {
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snprintf(new_columns, sizeof(new_columns), "%s", ",peeraccount,linkedid,sequence");
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snprintf(new_values, sizeof(new_values), "%s", ",?,?,?");
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}
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if (ast_test_flag(&config, CONFIG_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%s) "
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"VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?,?,?%s)", table, new_columns, timestr, new_values);
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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%s) "
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"VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?%s)", table, new_columns, timestr, new_values);
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}
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ODBC_res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "cdr_odbc: Failure in AllocStatement %d\n", ODBC_res);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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SQLBindParameter(stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->clid), 0, cdr->clid, 0, NULL);
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SQLBindParameter(stmt, 2, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->src), 0, cdr->src, 0, NULL);
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SQLBindParameter(stmt, 3, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dst), 0, cdr->dst, 0, NULL);
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SQLBindParameter(stmt, 4, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dcontext), 0, cdr->dcontext, 0, NULL);
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SQLBindParameter(stmt, 5, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->channel), 0, cdr->channel, 0, NULL);
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SQLBindParameter(stmt, 6, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dstchannel), 0, cdr->dstchannel, 0, NULL);
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SQLBindParameter(stmt, 7, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastapp), 0, cdr->lastapp, 0, NULL);
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SQLBindParameter(stmt, 8, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastdata), 0, cdr->lastdata, 0, NULL);
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if (ast_test_flag(&config, CONFIG_HRTIME)) {
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double hrbillsec = 0.0;
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double hrduration;
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if (!ast_tvzero(cdr->answer)) {
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hrbillsec = (double) ast_tvdiff_us(cdr->end, cdr->answer) / 1000000.0;
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}
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hrduration = (double) ast_tvdiff_us(cdr->end, cdr->start) / 1000000.0;
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SQLBindParameter(stmt, 9, SQL_PARAM_INPUT, SQL_C_DOUBLE, SQL_FLOAT, 0, 0, &hrduration, 0, NULL);
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SQLBindParameter(stmt, 10, SQL_PARAM_INPUT, SQL_C_DOUBLE, SQL_FLOAT, 0, 0, &hrbillsec, 0, NULL);
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} else {
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SQLBindParameter(stmt, 9, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->duration, 0, NULL);
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SQLBindParameter(stmt, 10, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->billsec, 0, NULL);
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}
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if (ast_test_flag(&config, CONFIG_DISPOSITIONSTRING)) {
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char *disposition;
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disposition = ast_strdupa(ast_cdr_disp2str(cdr->disposition));
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SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(disposition) + 1, 0, disposition, 0, NULL);
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} else {
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SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->disposition, 0, NULL);
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}
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SQLBindParameter(stmt, 12, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->amaflags, 0, NULL);
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SQLBindParameter(stmt, 13, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->accountcode), 0, cdr->accountcode, 0, NULL);
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i = 14;
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if (ast_test_flag(&config, CONFIG_LOGUNIQUEID)) {
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SQLBindParameter(stmt, 14, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->uniqueid), 0, cdr->uniqueid, 0, NULL);
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SQLBindParameter(stmt, 15, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->userfield), 0, cdr->userfield, 0, NULL);
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i = 16;
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}
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if (ast_test_flag(&config, CONFIG_NEWCDRCOLUMNS)) {
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SQLBindParameter(stmt, i, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->peeraccount), 0, cdr->peeraccount, 0, NULL);
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SQLBindParameter(stmt, i + 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->linkedid), 0, cdr->linkedid, 0, NULL);
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SQLBindParameter(stmt, i + 2, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->sequence, 0, NULL);
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}
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ODBC_res = ast_odbc_execute_sql(obj, stmt, sqlcmd);
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if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "cdr_odbc: Error in ExecDirect: %d, query is: %s\n", ODBC_res, sqlcmd);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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return stmt;
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}
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static int odbc_log(struct ast_cdr *cdr)
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{
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struct odbc_obj *obj = ast_odbc_request_obj(dsn, 0);
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SQLHSTMT stmt;
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if (!obj) {
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ast_log(LOG_ERROR, "Unable to retrieve database handle. CDR failed.\n");
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return -1;
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}
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stmt = ast_odbc_direct_execute(obj, execute_cb, cdr);
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if (stmt) {
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SQLLEN rows = 0;
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SQLRowCount(stmt, &rows);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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if (rows == 0)
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ast_log(LOG_WARNING, "CDR successfully ran, but inserted 0 rows?\n");
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} else
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ast_log(LOG_ERROR, "CDR direct execute failed\n");
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ast_odbc_release_obj(obj);
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return 0;
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}
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static int odbc_load_module(int reload)
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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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const char *tmp;
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struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
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do {
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cfg = ast_config_load(config_file, config_flags);
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if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) {
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ast_log(LOG_WARNING, "cdr_odbc: Unable to load config for ODBC CDR's: %s\n", config_file);
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res = AST_MODULE_LOAD_DECLINE;
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break;
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} else if (cfg == CONFIG_STATUS_FILEUNCHANGED)
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break;
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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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break;
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}
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if ((tmp = ast_variable_retrieve(cfg, "global", "dsn")) == 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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if (dsn)
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ast_free(dsn);
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dsn = ast_strdup(tmp);
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if (dsn == NULL) {
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res = -1;
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break;
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}
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if (((tmp = ast_variable_retrieve(cfg, "global", "dispositionstring"))) && ast_true(tmp))
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ast_set_flag(&config, CONFIG_DISPOSITIONSTRING);
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else
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ast_clear_flag(&config, CONFIG_DISPOSITIONSTRING);
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if (((tmp = ast_variable_retrieve(cfg, "global", "loguniqueid"))) && ast_true(tmp)) {
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ast_set_flag(&config, CONFIG_LOGUNIQUEID);
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ast_debug(1, "cdr_odbc: Logging uniqueid\n");
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} else {
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ast_clear_flag(&config, CONFIG_LOGUNIQUEID);
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ast_debug(1, "cdr_odbc: Not logging uniqueid\n");
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}
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if (((tmp = ast_variable_retrieve(cfg, "global", "usegmtime"))) && ast_true(tmp)) {
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ast_set_flag(&config, CONFIG_USEGMTIME);
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ast_debug(1, "cdr_odbc: Logging in GMT\n");
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} else {
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ast_clear_flag(&config, CONFIG_USEGMTIME);
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ast_debug(1, "cdr_odbc: Logging in local time\n");
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}
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if (((tmp = ast_variable_retrieve(cfg, "global", "hrtime"))) && ast_true(tmp)) {
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ast_set_flag(&config, CONFIG_HRTIME);
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ast_debug(1, "cdr_odbc: Logging billsec and duration fields as floats\n");
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} else {
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ast_clear_flag(&config, CONFIG_HRTIME);
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ast_debug(1, "cdr_odbc: Logging billsec and duration fields as integers\n");
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}
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if ((tmp = ast_variable_retrieve(cfg, "global", "table")) == 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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if (table)
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ast_free(table);
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table = ast_strdup(tmp);
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if (table == NULL) {
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res = -1;
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break;
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}
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if (!ast_test_flag(&config, CONFIG_REGISTERED)) {
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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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} else {
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ast_set_flag(&config, CONFIG_REGISTERED);
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}
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}
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if (((tmp = ast_variable_retrieve(cfg, "global", "newcdrcolumns"))) && ast_true(tmp)) {
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ast_set_flag(&config, CONFIG_NEWCDRCOLUMNS);
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ast_debug(1, "cdr_odbc: Add new cdr columns\n");
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} else {
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ast_clear_flag(&config, CONFIG_NEWCDRCOLUMNS);
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ast_debug(1, "cdr_odbc: Not add new cdr columns\n");
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}
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} while (0);
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if (ast_test_flag(&config, CONFIG_REGISTERED) && (!cfg || dsn == NULL || table == NULL)) {
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ast_cdr_backend_suspend(name);
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ast_clear_flag(&config, CONFIG_REGISTERED);
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} else {
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ast_cdr_backend_unsuspend(name);
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}
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if (cfg && cfg != CONFIG_STATUS_FILEUNCHANGED && cfg != CONFIG_STATUS_FILEINVALID) {
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ast_config_destroy(cfg);
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}
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return res;
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}
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static int load_module(void)
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{
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return odbc_load_module(0);
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}
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static int unload_module(void)
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{
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if (ast_cdr_unregister(name)) {
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return -1;
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}
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if (dsn) {
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ast_free(dsn);
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}
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if (table) {
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ast_free(table);
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}
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return 0;
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}
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static int reload(void)
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{
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return odbc_load_module(1);
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "ODBC CDR Backend",
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.support_level = AST_MODULE_SUPPORT_EXTENDED,
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.load = load_module,
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.unload = unload_module,
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.reload = reload,
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.load_pri = AST_MODPRI_CDR_DRIVER,
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.requires = "cdr,res_odbc",
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);
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