/**
* This static function initializes globals in the PHP Yate External Module.
* It should be called before any other method.
* @param $async (optional) True if asynchronous, polled mode is desired
* @param $addr Hostname to connect to or UNIX socket path
* @param $port TCP port to connect to, zero to use UNIX sockets
* @param $role Role of this connection - "global" or "channel"
* @return True if initialization succeeded, false if failed
*/
static function Init($async = false, $addr = "", $port = 0, $role = "")
{
global $yate_stdin, $yate_stdout, $yate_stderr;
global $yate_socket, $yate_debug, $yate_output;
$yate_debug = false;
$yate_stdin = false;
$yate_stdout = false;
$yate_stderr = false;
$yate_output = false;
if ($addr) {
$ok = false;
if ($port) {
$yate_socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
$ok = @socket_connect($yate_socket, $addr, $port);
} else {
$yate_socket = @socket_create(AF_UNIX, SOCK_STREAM, 0);
$ok = @socket_connect($yate_socket, $addr, $port);
}
if ($yate_socket === false || !$ok) {
$yate_socket = false;
$yate_stderr = fopen("php://stderr", "w");
Yate::Output("Socket error, initialization failed");
return false;
}
$yate_output = true;
} else {
$yate_socket = false;
$yate_stdin = fopen("php://stdin", "r");
$yate_stdout = fopen("php://stdout", "w");
$yate_stderr = fopen("php://stderr", "w");
$role = "";
}
flush();
set_error_handler("_yate_error_handler");
ob_implicit_flush(1);
if ($async && function_exists("stream_set_blocking") && $yate_stdin) {
stream_set_blocking($yate_stdin, false);
}
if ($role) {
_yate_print("%%>connect:{$role}\n");
}
return true;
}
/**
* Send a quit command to the External Module
* @param close Set to true to close the communication immediately
*/
static function Quit($close = false)
{
global $yate_stdin, $yate_socket;
_yate_print("%%>quit\n");
if ($close) {
if ($yate_socket) {
socket_close($yate_socket);
$yate_socket = false;
} else {
if ($yate_stdin) {
fclose($yate_stdin);
$yate_stdin = false;
}
}
}
}