JackWinNamedPipeClientChannel.cpp
/*
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 "JackWinNamedPipeClientChannel.h"
#include "JackRequest.h"
#include "JackClient.h"
#include "JackGlobals.h"
#include "JackError.h"
namespace Jack
{
JackWinNamedPipeClientChannel::JackWinNamedPipeClientChannel()
:JackGenericClientChannel(),fThread(this)
{
fRequest = new JackWinNamedPipeClient();
}
JackWinNamedPipeClientChannel::~JackWinNamedPipeClientChannel()
{
delete fRequest;
}
int JackWinNamedPipeClientChannel::Open(const char* server_name, const char* name, int uuid, char* name_res, JackClient* client, jack_options_t options, jack_status_t* status)
{
int result = 0;
jack_log("JackWinNamedPipeClientChannel::Open name = %s", name);
/*
16/08/07: was called before doing "fRequest->Connect" .... still necessary?
if (fNotificationListenPipe.Bind(jack_client_dir, name, 0) < 0) {
jack_error("Cannot bind pipe");
goto error;
}
*/
// Before any server/client call
fClient = client;
if (fRequest->Connect(jack_server_dir, server_name, 0) < 0) {
jack_error("Cannot connect to server pipe");
goto error;
}
// OK so server is there...
JackGlobals::fServerRunning = true;
// Check name in server
ClientCheck(name, uuid, name_res, JACK_PROTOCOL_VERSION, (int)options, (int*)status, &result, true);
if (result < 0) {
int status1 = *status;
if (status1 & JackVersionError) {
jack_error("JACK protocol mismatch %d", JACK_PROTOCOL_VERSION);
} else {
jack_error("Client name = %s conflits with another running client", name);
}
}
if (fNotificationListenPipe.Bind(jack_client_dir, name_res, 0) < 0) {
jack_error("Cannot bind pipe");
goto error;
}
return 0;
error:
fRequest->Close();
fNotificationListenPipe.Close();
return -1;
}
void JackWinNamedPipeClientChannel::Close()
{
fRequest->Close();
fNotificationListenPipe.Close();
// Here the thread will correctly stop when the pipe are closed
fThread.Stop();
}
int JackWinNamedPipeClientChannel::Start()
{
jack_log("JackWinNamedPipeClientChannel::Start");
/*
To be sure notification thread is started before ClientOpen is called.
*/
if (fThread.StartSync() != 0) {
jack_error("Cannot start Jack client listener");
return -1;
} else {
return 0;
}
}
void JackWinNamedPipeClientChannel::Stop()
{
jack_log("JackWinNamedPipeClientChannel::Stop");
fThread.Kill(); // Unsafe on WIN32... TODO : solve WIN32 thread Kill issue
}
bool JackWinNamedPipeClientChannel::Init()
{
jack_log("JackWinNamedPipeClientChannel::Init");
// Setup context
if (!jack_tls_set(JackGlobals::fNotificationThread, this)) {
jack_error("Failed to set thread notification key");
}
if (!fNotificationListenPipe.Accept()) {
jack_error("JackWinNamedPipeClientChannel: cannot establish notification pipe");
return false;
} else {
return true;
}
}
bool JackWinNamedPipeClientChannel::Execute()
{
JackClientNotification event;
JackResult res;
if (event.Read(&fNotificationListenPipe) < 0) {
jack_error("JackWinNamedPipeClientChannel read fail");
goto error;
}
res.fResult = fClient->ClientNotify(event.fRefNum, event.fName, event.fNotify, event.fSync, event.fMessage, event.fValue1, event.fValue2);
if (event.fSync) {
if (res.Write(&fNotificationListenPipe) < 0) {
jack_error("JackWinNamedPipeClientChannel write fail");
goto error;
}
}
return true;
error:
// Close the pipes, server wont be able to create them otherwise.
fNotificationListenPipe.Close();
fRequest->Close();
fClient->ShutDown(jack_status_t(JackFailure | JackServerError), JACK_SERVER_FAILURE);
return false;
}
} // end of namespace
Jack
Definition: JackAC3Encoder.cpp:30
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92
Jack::JackResult
Result from the server.
Definition: JackRequest.h:129
Jack::JackWinNamedPipeClientChannel::Init
bool Init()
Definition: JackWinNamedPipeClientChannel.cpp:117
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108
Jack::JackClientNotification
ClientNotification.
Definition: JackRequest.h:1569