89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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Copyright (C) 2001-2003 Paul Davis
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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 General Public License as published by
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the Free Software Foundation; either version 2 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "JackExternalClient.h"
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#include "JackClientControl.h"
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#include "JackGlobals.h"
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#include "JackChannel.h"
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#include "JackError.h"
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namespace Jack
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{
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JackExternalClient::JackExternalClient(): fClientControl(NULL)
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{}
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JackExternalClient::~JackExternalClient()
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{}
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int JackExternalClient::ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2)
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{
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int result = -1;
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jack_log("JackExternalClient::ClientNotify ref = %ld client = %s name = %s notify = %ld", refnum, fClientControl->fName, name, notify);
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fChannel.ClientNotify(refnum, name, notify, sync, message, value1, value2, &result);
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return result;
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}
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int JackExternalClient::Open(const char* name, int pid, int refnum, jack_uuid_t uuid, int* shared_client)
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{
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try {
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if (fChannel.Open(name) < 0) {
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jack_error("Cannot connect to client name = %s\n", name);
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return -1;
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}
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// Use "placement new" to allocate object in shared memory
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JackShmMemAble* shared_mem = static_cast<JackShmMemAble*>(JackShmMem::operator new(sizeof(JackClientControl)));
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shared_mem->Init();
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fClientControl = new(shared_mem) JackClientControl(name, pid, refnum, uuid);
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if (!fClientControl) {
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jack_error("Cannot allocate client shared memory segment");
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return -1;
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}
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*shared_client = shared_mem->GetShmIndex();
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jack_log("JackExternalClient::Open name = %s index = %ld base = %x", name, shared_mem->GetShmIndex(), shared_mem->GetShmAddress());
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return 0;
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} catch (std::exception&) {
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return -1;
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}
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}
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int JackExternalClient::Close()
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{
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jack_log("JackExternalClient::Close");
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fChannel.Close();
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if (fClientControl) {
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fClientControl->~JackClientControl();
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JackShmMem::operator delete(fClientControl);
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}
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return 0;
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}
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JackClientControl* JackExternalClient::GetClientControl() const
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{
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return fClientControl;
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}
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} // end of namespace
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