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/*
* Asterisk -- A telephony toolkit for Linux.
*
* unixODBC CDR Backend
*
* Brian K. West <brian@bkw.org>
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
*
*/
#include <sys/types.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"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <sql.h>
#include <sqlext.h>
#include <sqltypes.h>
#define DATE_FORMAT "%Y-%m-%d %T"
static char *desc = "unixODBC CDR Backend";
static char *name = "unixODBC";
static char *config = "cdr_unixodbc.conf";
static char *dsn = NULL, *username = NULL, *password = NULL, *loguniqueid = NULL;
static int dsn_alloc = 0, username_alloc = 0, password_alloc = 0;
static int connected = 0;
static ast_mutex_t unixodbc_lock = AST_MUTEX_INITIALIZER;
extern int unixodbc_do_query(char *sqlcmd);
extern int unixodbc_init(void);
static SQLHENV ODBC_env = SQL_NULL_HANDLE; /* global ODBC Environment */
static int ODBC_res; /* global ODBC Result of Functions */
static SQLHDBC ODBC_con; /* global ODBC Connection Handle */
static SQLHSTMT ODBC_stmt; /* global ODBC Statement Handle */
static int unixodbc_log(struct ast_cdr *cdr)
{
int res;
/*
long int ODBC_err, ODBC_id;
short int ODBC_mlen;
char ODBC_msg[200], ODBC_buffer[200], ODBC_stat[10];
*/
struct tm tm;
struct timeval tv;
time_t t;
char sqlcmd[2048], timestr[128];
ast_mutex_lock(&unixodbc_lock);
gettimeofday(&tv,NULL);
t = tv.tv_sec;
localtime_r(&t,&tm);
strftime(timestr,128,DATE_FORMAT,&tm);
memset(sqlcmd,0,2048);
if((strcmp(loguniqueid, "1") == 0) || (strcmp(loguniqueid, "yes") == 0))
{
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,%i,%i,'%s','%s')", timestr, cdr->clid, cdr->src, cdr->dst, cdr->dcontext, cdr->channel, cdr->dstchannel, cdr->lastapp, cdr->lastdata, cdr->duration, cdr->billsec, cdr->disposition, cdr->amaflags, cdr->accountcode, cdr->uniqueid);
}
else
{
sprintf(sqlcmd,"INSERT INTO cdr (calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,lastdata,duration,billsec,disposition,amaflags,accountcode) VALUES ('%s','%s','%s','%s','%s', '%s','%s','%s','%s',%i,%i,%i,%i,'%s')", timestr, cdr->clid, cdr->src, cdr->dst, cdr->dcontext, cdr->channel, cdr->dstchannel, cdr->lastapp, cdr->lastdata, cdr->duration, cdr->billsec, cdr->disposition, cdr->amaflags, cdr->accountcode);
}
if(connected)
{
res = unixodbc_do_query(sqlcmd);
if(res < 0)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Query FAILED Call not logged!\n");
res = unixodbc_init();
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Reconnecting to dsn %s\n", dsn);
if(res < 0)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: %s has gone away!\n", dsn);
connected = 0;
}
else
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Trying Query again!\n");
res = unixodbc_do_query(sqlcmd);
if(res < 0)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Query FAILED Call not logged!\n");
}
}
}
}
else
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Reconnecting to dsn %s\n", dsn);
res = unixodbc_init();
if(res < 0)
{
if(option_verbose > 3)
{
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: %s has gone away!\n", dsn);
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Call not logged!\n");
}
}
else
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Trying Query again!\n");
res = unixodbc_do_query(sqlcmd);
if(res < 0)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Query FAILED Call not logged!\n");
}
}
}
ast_mutex_unlock(&unixodbc_lock);
return 0;
}
char *description(void)
{
return desc;
}
static int unixodbc_unload_module(void)
{
if (connected)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Disconnecting from %s\n", dsn);
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
SQLDisconnect(ODBC_con);
SQLFreeHandle(SQL_HANDLE_DBC, ODBC_con);
SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
connected = 0;
}
if (dsn && dsn_alloc)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: free dsn\n");
free(dsn);
dsn = NULL;
dsn_alloc = 0;
}
if (username && username_alloc)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: free username\n");
free(username);
username = NULL;
username_alloc = 0;
}
if (password && password_alloc)
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: free password\n");
free(password);
password = NULL;
password_alloc = 0;
}
ast_cdr_unregister(name);
return 0;
}
static int unixodbc_load_module(void)
{
int res;
struct ast_config *cfg;
struct ast_variable *var;
char *tmp;
cfg = ast_load(config);
if (!cfg)
{
ast_log(LOG_WARNING, "cdr_unixodbc: Unable to load config for unixODBC CDR's: %s\n", config);
return 0;
}
var = ast_variable_browse(cfg, "global");
if (!var) {
/* nothing configured */
return 0;
}
tmp = ast_variable_retrieve(cfg,"global","dsn");
if (tmp)
{
dsn = malloc(strlen(tmp) + 1);
if (dsn != NULL)
{
dsn_alloc = 1;
strcpy(dsn,tmp);
}
else
{
ast_log(LOG_ERROR,"cdr_unixodbc: Out of memory error.\n");
return -1;
}
}
else
{
ast_log(LOG_WARNING,"cdr_unixodbc: dsn not specified. Assuming asteriskdb\n");
dsn = "asteriskdb";
}
tmp = ast_variable_retrieve(cfg,"global","username");
if (tmp)
{
username = malloc(strlen(tmp) + 1);
if (username != NULL)
{
username_alloc = 1;
strcpy(username,tmp);
}
else
{
ast_log(LOG_ERROR,"cdr_unixodbc: Out of memory error.\n");
return -1;
}
}
else
{
ast_log(LOG_WARNING,"cdr_unixodbc: username not specified. Assuming root\n");
username = "root";
}
tmp = ast_variable_retrieve(cfg,"global","password");
if (tmp)
{
password = malloc(strlen(tmp) + 1);
if (password != NULL)
{
password_alloc = 1;
strcpy(password,tmp);
}
else
{
ast_log(LOG_ERROR,"cdr_unixodbc: Out of memory error.\n");
return -1;
}
}
else
{
ast_log(LOG_WARNING,"cdr_unixodbc: database password not specified. Assuming blank\n");
password = "";
}
tmp = ast_variable_retrieve(cfg,"global","loguniqueid");
if (tmp)
{
loguniqueid = malloc(strlen(tmp) + 1);
if (loguniqueid != NULL)
{
strcpy(loguniqueid,tmp);
ast_log(LOG_WARNING,"cdr_unixodbc: Logging uniqueid\n");
}
else
{
ast_log(LOG_ERROR,"cdr_unixodbc: Not logging uniqueid\n");
}
}
else
{
ast_log(LOG_WARNING,"cdr_unixodbc: Not logging uniqueid\n");
loguniqueid = NULL;
}
ast_destroy(cfg);
if(option_verbose > 3)
{
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: dsn is %s\n",dsn);
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: username is %s\n",username);
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: password is [secret]\n");
}
res = unixodbc_init();
if(res < 0)
{
ast_log(LOG_ERROR, "cdr_unixodbc: Unable to connect to datasource: %s\n", dsn);
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Unable to connect to datasource: %s\n", dsn);
}
res = ast_cdr_register(name, desc, unixodbc_log);
if (res)
{
ast_log(LOG_ERROR, "cdr_unixodbc: Unable to register unixODBC CDR handling\n");
}
return res;
}
int unixodbc_do_query(char *sqlcmd)
{
long int ODBC_err;
short int ODBC_mlen;
char ODBC_msg[200], ODBC_stat[10];
ODBC_res = SQLAllocHandle(SQL_HANDLE_STMT, ODBC_con, &ODBC_stmt);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Failure in AllocStatement %d\n", ODBC_res);
SQLGetDiagRec(SQL_HANDLE_DBC, ODBC_con, 1, ODBC_stat, &ODBC_err, ODBC_msg, 100, &ODBC_mlen);
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
connected = 0;
return -1;
}
ODBC_res = SQLPrepare(ODBC_stmt, sqlcmd, SQL_NTS);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error in PREPARE %d\n", ODBC_res);
SQLGetDiagRec(SQL_HANDLE_DBC, ODBC_con, 1, ODBC_stat, &ODBC_err, ODBC_msg, 100, &ODBC_mlen);
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
return -1;
}
ODBC_res = SQLExecute(ODBC_stmt);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error in Query %d\n", ODBC_res);
SQLGetDiagRec(SQL_HANDLE_DBC, ODBC_con, 1, ODBC_stat, &ODBC_err, ODBC_msg, 100, &ODBC_mlen);
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
connected = 0;
return -1;
}
else
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Query Successful!\n");
connected = 1;
}
return 0;
}
int unixodbc_init()
{
long int ODBC_err;
short int ODBC_mlen;
char ODBC_msg[200], ODBC_stat[10];
if ( ODBC_env == SQL_NULL_HANDLE || connected == 0)
{
ODBC_res = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &ODBC_env);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error AllocHandle\n");
connected = 0;
return -1;
}
ODBC_res = SQLSetEnvAttr(ODBC_env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error SetEnv\n");
SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
connected = 0;
return -1;
}
ODBC_res = SQLAllocHandle(SQL_HANDLE_DBC, ODBC_env, &ODBC_con);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error AllocHDB %d\n", ODBC_res);
SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
connected = 0;
return -1;
}
SQLSetConnectAttr(ODBC_con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *)10, 0);
}
ODBC_res = SQLConnect(ODBC_con, (SQLCHAR*)dsn, SQL_NTS, (SQLCHAR*)username, SQL_NTS, (SQLCHAR*)password, SQL_NTS);
if((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO))
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Error SQLConnect %d\n", ODBC_res);
SQLGetDiagRec(SQL_HANDLE_DBC, ODBC_con, 1, ODBC_stat, &ODBC_err, ODBC_msg, 100, &ODBC_mlen);
SQLFreeHandle(SQL_HANDLE_ENV, ODBC_env);
connected = 0;
return -1;
}
else
{
if(option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "cdr_unixodbc: Connected to %s\n", dsn);
connected = 1;
}
return 0;
}
int load_module(void)
{
return unixodbc_load_module();
}
int unload_module(void)
{
return unixodbc_unload_module();
}
int reload(void)
{
unixodbc_unload_module();
return unixodbc_load_module();
}
int usecount(void)
{
return connected;
}
char *key()
{
return ASTERISK_GPL_KEY;
}