JackMachNotifyChannel.cpp

00001 /*
00002 Copyright (C) 2004-2006 Grame  
00003 
00004 This program is free software; you can redistribute it and/or modify
00005   it under the terms of the GNU General Public License as published by
00006   the Free Software Foundation; either version 2 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 General Public License for more details.
00013 
00014   You should have received a copy of the GNU General Public License
00015   along with this program; if not, write to the Free Software
00016   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 
00018 */
00019 
00020 #include "JackMachNotifyChannel.h"
00021 #include "JackRPCClient.h"
00022 #include "JackError.h"
00023 #include "JackConstants.h"
00024 
00025 namespace Jack
00026 {
00027 
00028 // Server side : server to client
00029 
00030 int JackMachNotifyChannel::Open(const char* name)
00031 {
00032     JackLog("JackMachNotifyChannel::Open name = %s\n", name);
00033 
00034     char buf[256];
00035     snprintf(buf, sizeof(buf) - 1, "%s:%s", jack_client_entry, name);
00036 
00037     // Connect to client notification port using client name
00038     if (!fClientPort.ConnectPort(buf)) {
00039         jack_error("Cannot connect client port");
00040         return -1;
00041     } else {
00042         return 0;
00043     }
00044 }
00045 
00046 void JackMachNotifyChannel::Close()
00047 {
00048     fClientPort.DisconnectPort();
00049 }
00050 
00051 void JackMachNotifyChannel::ClientNotify(int refnum, const char* name, int notify, int sync, int value, int* result)
00052 {
00053     *result = 0;
00054     kern_return_t res = (sync)
00055                         ? rpc_jack_client_sync_notify(fClientPort.GetPort(), refnum, (char*)name, notify, value, result)
00056                         : rpc_jack_client_async_notify(fClientPort.GetPort(), refnum, (char*)name, notify, value);
00057     if (res != KERN_SUCCESS) {
00058         jack_error("JackMachNotifyChannel::ClientNotify: name = %s notify = %ld err = %s", name, notify, mach_error_string(res));
00059     }
00060 }
00061 
00062 } // end of namespace
00063 
00064 

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