/**
* Starts a Mercurial process which can actually handle requests.
*
* @return ArcanistHgServerChannel Channel to the Mercurial server.
* @task hg
*/
private function startMercurialProcess()
{
// NOTE: "cmdserver.log=-" makes Mercurial use the 'd'ebug channel for
// log messages.
$future = new ExecFuture('HGPLAIN=1 hg --config cmdserver.log=- serve --cmdserver pipe');
$future->setCWD($this->workingCopy);
$channel = new PhutilExecChannel($future);
$hg = new ArcanistHgServerChannel($channel);
// The server sends a "hello" message with capability and encoding
// information. Save it and forward it to clients when they connect.
$this->hello = $hg->waitForMessage();
return $hg;
}
/**
* @task internal
*/
private function connectToDaemon()
{
$errno = null;
$errstr = null;
$socket_path = ArcanistHgProxyServer::getPathToSocket($this->workingCopy);
$socket = @stream_socket_client('unix://' . $socket_path, $errno, $errstr);
if ($errno || !$socket) {
throw new Exception("Unable to connect socket! Error #{$errno}: {$errstr}");
}
$channel = new PhutilSocketChannel($socket);
$server = new ArcanistHgServerChannel($channel);
if (!$this->skipHello) {
// The protocol includes a "hello" message with capability and encoding
// information. Read and discard it, we use only the "runcommand"
// capability which is guaranteed to be available.
$hello = $server->waitForMessage();
}
return $server;
}