165 lines
4.6 KiB
C++
165 lines
4.6 KiB
C++
/*
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Copyright (C) 2004-2008 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "JackWinNamedPipeClientChannel.h"
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#include "JackRequest.h"
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#include "JackClient.h"
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#include "JackGlobals.h"
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#include "JackError.h"
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namespace Jack
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{
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JackWinNamedPipeClientChannel::JackWinNamedPipeClientChannel()
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:JackGenericClientChannel(),fThread(this)
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{
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fRequest = new JackWinNamedPipeClient();
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}
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JackWinNamedPipeClientChannel::~JackWinNamedPipeClientChannel()
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{
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delete fRequest;
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}
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int JackWinNamedPipeClientChannel::Open(const char* server_name, const char* name, jack_uuid_t uuid, char* name_res, JackClient* client, jack_options_t options, jack_status_t* status)
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{
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int result = 0;
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jack_log("JackWinNamedPipeClientChannel::Open name = %s", name);
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/*
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16/08/07: was called before doing "fRequest->Connect" .... still necessary?
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if (fNotificationListenPipe.Bind(jack_client_dir, name, 0) < 0) {
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jack_error("Cannot bind pipe");
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goto error;
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}
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*/
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// Before any server/client call
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fClient = client;
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if (fRequest->Connect(jack_server_dir, server_name, 0) < 0) {
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jack_error("Cannot connect to server pipe");
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goto error;
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}
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// OK so server is there...
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JackGlobals::fServerRunning = true;
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// Check name in server
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ClientCheck(name, uuid, name_res, JACK_PROTOCOL_VERSION, (int)options, (int*)status, &result, true);
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if (result < 0) {
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int status1 = *status;
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if (status1 & JackVersionError) {
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jack_error("JACK protocol mismatch %d", JACK_PROTOCOL_VERSION);
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} else {
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jack_error("Client name = %s conflits with another running client", name);
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}
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}
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if (fNotificationListenPipe.Bind(jack_client_dir, name_res, 0) < 0) {
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jack_error("Cannot bind pipe");
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goto error;
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}
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return 0;
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error:
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fRequest->Close();
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fNotificationListenPipe.Close();
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return -1;
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}
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void JackWinNamedPipeClientChannel::Close()
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{
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fRequest->Close();
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fNotificationListenPipe.Close();
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// Here the thread will correctly stop when the pipe are closed
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fThread.Stop();
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}
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int JackWinNamedPipeClientChannel::Start()
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{
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jack_log("JackWinNamedPipeClientChannel::Start");
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/*
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To be sure notification thread is started before ClientOpen is called.
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*/
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if (fThread.StartSync() != 0) {
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jack_error("Cannot start Jack client listener");
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return -1;
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} else {
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return 0;
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}
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}
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void JackWinNamedPipeClientChannel::Stop()
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{
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jack_log("JackWinNamedPipeClientChannel::Stop");
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fThread.Kill(); // Unsafe on WIN32... TODO : solve WIN32 thread Kill issue
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}
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bool JackWinNamedPipeClientChannel::Init()
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{
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jack_log("JackWinNamedPipeClientChannel::Init");
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// Setup context
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if (!jack_tls_set(JackGlobals::fNotificationThread, this)) {
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jack_error("Failed to set thread notification key");
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}
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if (!fNotificationListenPipe.Accept()) {
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jack_error("JackWinNamedPipeClientChannel: cannot establish notification pipe");
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return false;
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} else {
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return true;
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}
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}
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bool JackWinNamedPipeClientChannel::Execute()
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{
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JackClientNotification event;
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JackResult res;
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if (event.Read(&fNotificationListenPipe) < 0) {
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jack_error("JackWinNamedPipeClientChannel read fail");
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goto error;
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}
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res.fResult = fClient->ClientNotify(event.fRefNum, event.fName, event.fNotify, event.fSync, event.fMessage, event.fValue1, event.fValue2);
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if (event.fSync) {
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if (res.Write(&fNotificationListenPipe) < 0) {
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jack_error("JackWinNamedPipeClientChannel write fail");
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goto error;
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}
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}
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return true;
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error:
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// Close the pipes, server won't be able to create them otherwise.
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fNotificationListenPipe.Close();
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fRequest->Close();
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fClient->ShutDown(jack_status_t(JackFailure | JackServerError), JACK_SERVER_FAILURE);
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return false;
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}
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} // end of namespace
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