Jack2 1.9.6

JackMachServerNotifyChannel.cpp

00001 /*
00002 Copyright (C) 2004-2008 Grame
00003 
00004 This program is free software; you can redistribute it and/or modify
00005 it under the terms of the GNU Lesser General Public License as published by
00006 the Free Software Foundation; either version 2.1 of the License, or
00007 (at your option) any later version.
00008 
00009 This program is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 GNU Lesser General Public License for more details.
00013 
00014 You should have received a copy of the GNU Lesser General Public License
00015 along with this program; if not, write to the Free Software 
00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 
00018 */
00019 
00020 #include "JackMachServerNotifyChannel.h"
00021 #include "JackRPCEngineUser.c"
00022 #include "JackNotification.h"
00023 #include "JackTools.h"
00024 #include "JackConstants.h"
00025 #include "JackError.h"
00026 #include <stdio.h>
00027 
00028 namespace Jack
00029 {
00030 
00031 int JackMachServerNotifyChannel::Open(const char* server_name)
00032 {
00033     jack_log("JackMachServerChannel::Open");
00034     char jack_server_entry_name[512];
00035     snprintf(jack_server_entry_name, sizeof(jack_server_entry_name), "%s.%d_%s", jack_server_entry, JackTools::GetUID(), server_name);
00036 
00037     if (!fClientPort.ConnectPort(jack_server_entry_name)) {
00038         jack_error("Cannot connect to server port");
00039         return -1;
00040     } else {
00041         return 0;
00042     }
00043 }
00044 
00045 void JackMachServerNotifyChannel::Close()
00046 {}
00047 
00048 void JackMachServerNotifyChannel::Notify(int refnum, int notify, int value)
00049 {
00050     kern_return_t res = rpc_jack_client_rt_notify(fClientPort.GetPort(), refnum, notify, value, 0);
00051     if (res != KERN_SUCCESS) {
00052         jack_error("Could not write request ref = %d notify = %d err = %s", refnum, notify, mach_error_string(res));
00053     }
00054 }
00055     
00056 void JackMachServerNotifyChannel::NotifyQuit()
00057 {
00058  #ifdef MAC_OS_X_VERSION_10_5
00059     // Nothing : since exception does not work in this case on pre Snow Loopard systems, see JackMachServerChannel::Close()
00060  #else
00061     kern_return_t res = rpc_jack_client_rt_notify(fClientPort.GetPort(), -1, kQUIT, 0, 0);
00062     if (res != KERN_SUCCESS) {
00063         jack_error("Could not write request ref = %d notify = %d err = %s", -1, kQUIT, mach_error_string(res));
00064     }
00065 #endif
00066 }
00067 
00068 } // end of namespace
00069 
00070