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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2003-2005, Digium, Inc.
*
* Brian K. West <brian@bkw.org>
*
* 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 ODBC CDR Backend
*
* \author Brian K. West <brian@bkw.org>
*
* See also:
* \arg http://www.unixodbc.org
* \arg \ref Config_cdr
* \ingroup cdr_drivers
*/
/*** MODULEINFO
<depend>generic_odbc</depend>
<depend>ltdl</depend>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <time.h>
#include "asterisk/config.h"
#include "asterisk/channel.h"
#include "asterisk/cdr.h"
#include "asterisk/module.h"
#include "asterisk/res_odbc.h"
#define DATE_FORMAT "%Y-%m-%d %T"
static char *name = "ODBC";
static char *config_file = "cdr_odbc.conf";
static char *dsn = NULL, *table = NULL;
enum {
CONFIG_LOGUNIQUEID = 1 << 0,
CONFIG_USEGMTIME = 1 << 1,
CONFIG_DISPOSITIONSTRING = 1 << 2,
};
static struct ast_flags config = { 0 };
static SQLHSTMT execute_cb(struct odbc_obj *obj, void *data)
{
struct ast_cdr *cdr = data;
SQLRETURN ODBC_res;
char sqlcmd[2048] = "", timestr[128];
struct ast_tm tm;
SQLHSTMT stmt;
ast_localtime(&cdr->start, &tm, ast_test_flag(&config, CONFIG_USEGMTIME) ? "GMT" : NULL);
ast_strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
if (ast_test_flag(&config, CONFIG_LOGUNIQUEID)) {
snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
"(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,"
"lastdata,duration,billsec,disposition,amaflags,accountcode,uniqueid,userfield) "
"VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)", table, timestr);
} else {
snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
"(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,lastdata,"
"duration,billsec,disposition,amaflags,accountcode) "
"VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?)", table, timestr);
}
ODBC_res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
ast_verb(11, "cdr_odbc: Failure in AllocStatement %d\n", ODBC_res);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
return NULL;
}
SQLBindParameter(stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->clid), 0, cdr->clid, 0, NULL);
SQLBindParameter(stmt, 2, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->src), 0, cdr->src, 0, NULL);
SQLBindParameter(stmt, 3, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dst), 0, cdr->dst, 0, NULL);
SQLBindParameter(stmt, 4, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dcontext), 0, cdr->dcontext, 0, NULL);
SQLBindParameter(stmt, 5, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->channel), 0, cdr->channel, 0, NULL);
SQLBindParameter(stmt, 6, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dstchannel), 0, cdr->dstchannel, 0, NULL);
SQLBindParameter(stmt, 7, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastapp), 0, cdr->lastapp, 0, NULL);
SQLBindParameter(stmt, 8, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastdata), 0, cdr->lastdata, 0, NULL);
SQLBindParameter(stmt, 9, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->duration, 0, NULL);
SQLBindParameter(stmt, 10, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->billsec, 0, NULL);
if (ast_test_flag(&config, CONFIG_DISPOSITIONSTRING))
SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(ast_cdr_disp2str(cdr->disposition)) + 1, 0, ast_cdr_disp2str(cdr->disposition), 0, NULL);
else
SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->disposition, 0, NULL);
SQLBindParameter(stmt, 12, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->amaflags, 0, NULL);
SQLBindParameter(stmt, 13, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->accountcode), 0, cdr->accountcode, 0, NULL);
if (ast_test_flag(&config, CONFIG_LOGUNIQUEID)) {
SQLBindParameter(stmt, 14, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->uniqueid), 0, cdr->uniqueid, 0, NULL);
SQLBindParameter(stmt, 15, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->userfield), 0, cdr->userfield, 0, NULL);
}
ODBC_res = SQLExecDirect(stmt, (unsigned char *)sqlcmd, SQL_NTS);
if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
ast_verb(11, "cdr_odbc: Error in ExecDirect: %d\n", ODBC_res);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
return NULL;
}
return stmt;
}
static int odbc_log(struct ast_cdr *cdr)
{
struct odbc_obj *obj = ast_odbc_request_obj(dsn, 0);
SQLHSTMT stmt;
if (!obj) {
ast_log(LOG_ERROR, "Unable to retrieve database handle. CDR failed.\n");
return -1;
}
stmt = ast_odbc_direct_execute(obj, execute_cb, cdr);
if (stmt) {
SQLLEN rows = 0;
SQLRowCount(stmt, &rows);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
if (rows == 0)
ast_log(LOG_WARNING, "CDR successfully ran, but inserted 0 rows?\n");
} else
ast_log(LOG_ERROR, "CDR direct execute failed\n");
ast_odbc_release_obj(obj);
return 0;
}
static int odbc_load_module(int reload)
{
int res = 0;
struct ast_config *cfg;
struct ast_variable *var;
const char *tmp;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
do {
cfg = ast_config_load(config_file, config_flags);
if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_WARNING, "cdr_odbc: Unable to load config for ODBC CDR's: %s\n", config_file);
res = AST_MODULE_LOAD_DECLINE;
break;
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED)
break;
var = ast_variable_browse(cfg, "global");
if (!var) {
/* nothing configured */
break;
}
if ((tmp = ast_variable_retrieve(cfg, "global", "dsn")) == NULL) {
ast_log(LOG_WARNING, "cdr_odbc: dsn not specified. Assuming asteriskdb\n");
tmp = "asteriskdb";
}
if (dsn)
ast_free(dsn);
dsn = ast_strdup(tmp);
if (dsn == NULL) {
res = -1;
break;
}
if (((tmp = ast_variable_retrieve(cfg, "global", "dispositionstring"))) && ast_true(tmp))
ast_set_flag(&config, CONFIG_DISPOSITIONSTRING);
else
ast_clear_flag(&config, CONFIG_DISPOSITIONSTRING);
if (((tmp = ast_variable_retrieve(cfg, "global", "loguniqueid"))) && ast_true(tmp)) {
ast_set_flag(&config, CONFIG_LOGUNIQUEID);
ast_debug(1, "cdr_odbc: Logging uniqueid\n");
} else {
ast_clear_flag(&config, CONFIG_LOGUNIQUEID);
ast_debug(1, "cdr_odbc: Not logging uniqueid\n");
}
if (((tmp = ast_variable_retrieve(cfg, "global", "usegmtime"))) && ast_true(tmp)) {
ast_set_flag(&config, CONFIG_USEGMTIME);
ast_debug(1, "cdr_odbc: Logging in GMT\n");
} else {
ast_clear_flag(&config, CONFIG_USEGMTIME);
ast_debug(1, "cdr_odbc: Logging in local time\n");
}
if ((tmp = ast_variable_retrieve(cfg, "global", "table")) == NULL) {
ast_log(LOG_WARNING, "cdr_odbc: table not specified. Assuming cdr\n");
tmp = "cdr";
}
if (table)
ast_free(table);
table = ast_strdup(tmp);
if (table == NULL) {
res = -1;
break;
}
ast_verb(3, "cdr_odbc: dsn is %s\n", dsn);
ast_verb(3, "cdr_odbc: table is %s\n", table);
res = ast_cdr_register(name, ast_module_info->description, odbc_log);
if (res) {
ast_log(LOG_ERROR, "cdr_odbc: Unable to register ODBC CDR handling\n");
}
} while (0);
if (cfg && cfg != CONFIG_STATUS_FILEUNCHANGED && cfg != CONFIG_STATUS_FILEINVALID)
ast_config_destroy(cfg);
return res;
}
static int load_module(void)
{
return odbc_load_module(0);
}
static int unload_module(void)
{
ast_cdr_unregister(name);
if (dsn) {
ast_verb(11, "cdr_odbc: free dsn\n");
ast_free(dsn);
}
if (table) {
ast_verb(11, "cdr_odbc: free table\n");
ast_free(table);
}
return 0;
}
static int reload(void)
{
return odbc_load_module(1);
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "ODBC CDR Backend",
.load = load_module,
.unload = unload_module,
.reload = reload,
);
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