static int db_is_up(switch_odbc_handle_t *handle)
{
int ret = 0;
SQLHSTMT stmt = NULL;
SQLLEN m = 0;
int result;
switch_event_t *event;
switch_odbc_status_t recon = 0;
char *err_str = NULL;
SQLCHAR sql[255] = "";
int max_tries = DEFAULT_ODBC_RETRIES;
int code = 0;
SQLRETURN rc;
SQLSMALLINT nresultcols;
if (handle) {
max_tries = handle->num_retries;
if (max_tries < 1)
max_tries = DEFAULT_ODBC_RETRIES;
}
top:
if (!handle) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "No DB Handle\n");
goto done;
}
if (handle->is_oracle) {
strcpy((char *) sql, "select 1 from dual");
} else if (handle->is_firebird) {
strcpy((char *) sql, "select first 1 * from RDB$RELATIONS");
} else {
strcpy((char *) sql, "select 1");
}
if (SQLAllocHandle(SQL_HANDLE_STMT, handle->con, &stmt) != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
SQLSetStmtAttr(stmt, SQL_ATTR_QUERY_TIMEOUT, (SQLPOINTER)30, 0);
if (SQLPrepare(stmt, sql, SQL_NTS) != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
result = SQLExecute(stmt);
if (result != SQL_SUCCESS && result != SQL_SUCCESS_WITH_INFO) {
code = __LINE__;
goto error;
}
SQLRowCount(stmt, &m);
rc = SQLNumResultCols(stmt, &nresultcols);
if (rc != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
ret = (int) nresultcols;
/* determine statement type */
if (nresultcols <= 0) {
/* statement is not a select statement */
code = __LINE__;
goto error;
}
goto done;
error:
err_str = switch_odbc_handle_get_error(handle, stmt);
/* Make sure to free the handle before we try to reconnect */
if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
stmt = NULL;
}
recon = switch_odbc_handle_connect(handle);
max_tries--;
if (switch_event_create(&event, SWITCH_EVENT_TRAP) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Failure-Message", "The sql server is not responding for DSN %s [%s][%d]",
switch_str_nil(handle->dsn), switch_str_nil(err_str), code);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "The sql server is not responding for DSN %s [%s][%d]\n",
switch_str_nil(handle->dsn), switch_str_nil(err_str), code);
if (recon == SWITCH_ODBC_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "The connection has been re-established");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "The connection has been re-established\n");
} else {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "The connection could not be re-established");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "The connection could not be re-established\n");
}
if (!max_tries) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "Giving up!");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Giving up!\n");
}
switch_event_fire(&event);
}
if (!max_tries) {
goto done;
}
switch_safe_free(err_str);
switch_yield(1000000);
goto top;
done:
switch_safe_free(err_str);
if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
}
return ret;
}
static switch_status_t load_config(void)
{
char *cf = "nibblebill.conf";
switch_xml_t cfg, xml = NULL, param, settings;
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
status = SWITCH_STATUS_SUCCESS; /* We don't fail because we can still write to a text file or buffer */
goto setdefaults;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "db_username")) {
set_global_db_username(val);
} else if (!strcasecmp(var, "db_password")) {
set_global_db_password(val);
} else if (!strcasecmp(var, "db_dsn")) {
set_global_db_dsn(val);
} else if (!strcasecmp(var, "db_table")) {
set_global_db_table(val);
} else if (!strcasecmp(var, "db_column_cash")) {
set_global_db_column_cash(val);
} else if (!strcasecmp(var, "db_column_account")) {
set_global_db_column_account(val);
} else if (!strcasecmp(var, "custom_sql_save")) {
set_global_custom_sql_save(val);
} else if (!strcasecmp(var, "custom_sql_lookup")) {
set_global_custom_sql_lookup(val);
} else if (!strcasecmp(var, "percall_action")) {
set_global_percall_action(val);
} else if (!strcasecmp(var, "percall_max_amt")) {
globals.percall_max_amt = atof(val);
} else if (!strcasecmp(var, "lowbal_action")) {
set_global_lowbal_action(val);
} else if (!strcasecmp(var, "lowbal_amt")) {
globals.lowbal_amt = atof(val);
} else if (!strcasecmp(var, "nobal_action")) {
set_global_nobal_action(val);
} else if (!strcasecmp(var, "nobal_amt")) {
globals.nobal_amt = atof(val);
} else if (!strcasecmp(var, "global_heartbeat")) {
globals.global_heartbeat = atoi(val);
}
}
}
/* Set defaults for any variables still not set */
setdefaults:
if (zstr(globals.percall_action)) {
set_global_percall_action("hangup");
}
if (zstr(globals.lowbal_action)) {
set_global_lowbal_action("play ding");
}
if (zstr(globals.nobal_action)) {
set_global_nobal_action("hangup");
}
if (switch_odbc_available() && globals.db_dsn) {
if (!(globals.master_odbc = switch_odbc_handle_new(globals.db_dsn, globals.db_username, globals.db_password))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot create handle to ODBC Database!\n");
status = SWITCH_STATUS_FALSE;
goto done;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opened ODBC Database handle!\n");
}
if (switch_odbc_handle_connect(globals.master_odbc) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT,
"Cannot connect to ODBC driver/database %s (user: %s / pass %s)!\n",
globals.db_dsn, globals.db_username, globals.db_password);
status = SWITCH_STATUS_FALSE;
goto done;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opened ODBC Database!\n");
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Connected ODBC DSN: %s\n", globals.db_dsn);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT,
"ODBC does not appear to be installed in the core or your dsn is empty. You need to run ./configure --enable-core-odbc-support\n");
}
done:
if (xml) {
switch_xml_free(xml);
}
return status;
}
static switch_status_t load_config(void)
{
char *cf = "easyroute.conf";
switch_xml_t cfg, xml = NULL, param, settings;
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
status = SWITCH_STATUS_FALSE;
goto done;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "db-username")) {
set_global_db_username(val);
} else if (!strcasecmp(var, "db-password")) {
set_global_db_password(val);
} else if (!strcasecmp(var, "db-dsn")) {
set_global_db_dsn(val);
} else if (!strcasecmp(var, "default-techprofile")) {
set_global_default_techprofile(val);
} else if (!strcasecmp(var, "default-gateway")) {
set_global_default_gateway(val);
} else if (!strcasecmp(var, "custom-query")) {
set_global_custom_query(val);
}
}
}
done:
if (zstr(globals.db_username)) {
set_global_db_username("root");
}
if (zstr(globals.db_password)) {
set_global_db_password("password");
}
if (zstr(globals.db_dsn)) {
set_global_db_dsn("easyroute");
}
if (switch_odbc_available() && globals.db_dsn) {
if (!(globals.master_odbc = switch_odbc_handle_new(globals.db_dsn, globals.db_username, globals.db_password))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Database!\n");
status = SWITCH_STATUS_FALSE;
goto reallydone;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opened ODBC Database!\n");
}
if (switch_odbc_handle_connect(globals.master_odbc) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Database!\n");
status = SWITCH_STATUS_FALSE;
goto reallydone;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opened ODBC Database!\n");
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Connected ODBC DSN: %s\n", globals.db_dsn);
if (!globals.custom_query) {
if (switch_odbc_handle_exec(globals.master_odbc, "select count(*) from numbers", NULL, NULL) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot find SQL Database! (Where\'s the numbers table\?\?)\n");
}
if (switch_odbc_handle_exec(globals.master_odbc, "select count(*) from gateways", NULL, NULL) != SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot find SQL Database! (Where\'s the gateways table\?\?)\n");
}
}
} else if (globals.db_dsn) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open ODBC Connection (did you enable it?!)\n");
}
reallydone:
if (xml) {
switch_xml_free(xml);
}
if (!globals.default_techprofile) {
set_global_default_techprofile("sofia/default");
}
if (!globals.default_gateway) {
set_global_default_gateway("192.168.1.1");
}
return status;
}