jack2/windows/JackWinNamedPipeNotifyChann...

79 lines
2.2 KiB
C++

/*
Copyright (C) 2004-2008 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "JackRequest.h"
#include "JackWinNamedPipeNotifyChannel.h"
#include "JackError.h"
#include "JackConstants.h"
namespace Jack
{
// Server to client
int JackWinNamedPipeNotifyChannel::Open(const char* name)
{
jack_log("JackWinNamedPipeNotifyChannel::Open name = %s", name);
// Connect to client listen pipe
if (fNotifyPipe.Connect(jack_client_dir, name, 0) < 0) {
jack_error("Cannot connect client pipe");
return -1;
}
// TODO : use a time out for notifications
fNotifyPipe.SetReadTimeOut(SOCKET_TIME_OUT);
return 0;
}
void JackWinNamedPipeNotifyChannel::Close()
{
jack_log("JackWinNamedPipeNotifyChannel::Close");
fNotifyPipe.Close();
}
void JackWinNamedPipeNotifyChannel::ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2, int* result)
{
JackClientNotification event(name, refnum, notify, sync, message, value1, value2);
JackResult res;
// Send notification
if (event.Write(&fNotifyPipe) < 0) {
jack_error("Could not write notification");
*result = -1;
return;
}
// Read the result in "synchronous" mode only
if (sync) {
// Get result : use a time out
if (res.Read(&fNotifyPipe) < 0) {
jack_error("Could not read result");
*result = -1;
} else {
*result = res.fResult;
}
} else {
*result = 0;
}
}
} // end of namespace