/////////////////////////////////////////////////////////
static bool CheckHelper()
{
string storage_dir = PathFinder.GetRemoteStorageDir(false);
if (storage_dir == null)
{
return(false);
}
// FIXME: We shouldn't need to know the path to the helper socket.
string socket_name = Path.Combine(storage_dir, "socket-helper");
if (!File.Exists(socket_name))
{
return(false);
}
// Open, and then immediately close, a connection to the helper's socket.
try {
UnixClient test_client;
test_client = new UnixClient(socket_name);
test_client.Close();
return(true);
} catch (Exception ex) {
return(false);
}
}
public Connection OnAccept(Socket socket)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
Logger.Write(LogLevel.Debug, "ChildInfo.OnAccept");
if (Process == null || Process.HasExited)
{
if (TrySpawn())
{
var process = Process;
int id = process.Id;
Logger.Write(LogLevel.Notice, "Started fastcgi daemon [dynamic] with pid {0} and config file {1}", id, Path.GetFileName(Name));
process.EnableRaisingEvents = true;
process.Exited += (sender, e) => Logger.Write(LogLevel.Notice, "Fastcgi daemon [dynamic] with pid {0} exited [it is {1}ly dead]", id, process.HasExited.ToString().ToLowerInvariant());
// Let the daemon start
Thread.Sleep(300);
}
else
{
throw new Exception("Couldn't spawn child!");
}
}
else
{
Logger.Write(LogLevel.Debug, "Recycling child with pid {0}", Process.Id);
}
Logger.Write(LogLevel.Debug, "Will connect to backend");
var onDemandSocket = new UnixClient();
Logger.Write(LogLevel.Debug, "Connecting to backend on {0}", OnDemandSock);
if (OnDemandSock.StartsWith("\\0", StringComparison.Ordinal))
{
onDemandSocket.Connect('\0' + OnDemandSock.Substring(2));
}
else
{
Uri uri;
if (Uri.TryCreate(OnDemandSock, UriKind.Absolute, out uri))
{
onDemandSocket.Connect(uri.PathAndQuery);
}
else
{
onDemandSocket.Connect(OnDemandSock);
}
}
SocketPassing.SendTo(onDemandSocket.Client.Handle, socket.Handle);
Logger.Write(LogLevel.Debug, "Sent fd {0} via fd {1}", socket.Handle, onDemandSocket.Client.Handle);
onDemandSocket.Close();
return(new Connection(socket));
}
public override void Close()
{
bool previously_closed = this.IsClosed;
// Important to set this before we close the
// UnixClient, since that will trigger the
// ReadCallback() method, reading 0 bytes off the
// wire, and we check this.closed in there.
this.IsClosed = true;
if (client != null)
{
client.Close();
client = null;
}
if (!previously_closed)
{
InvokeClosedEvent();
}
}
