Jack2 1.9.6

JackMachNotifyChannel.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 "JackMachNotifyChannel.h"
00021 #include "JackRPCClient.h"
00022 #include "JackError.h"
00023 #include "JackConstants.h"
00024 #include <stdio.h>
00025 
00026 namespace Jack
00027 {
00028 
00029 // Server side : server to client
00030 
00031 int JackMachNotifyChannel::Open(const char* name)
00032 {
00033     jack_log("JackMachNotifyChannel::Open name = %s", name);
00034 
00035     char buf[256];
00036     snprintf(buf, sizeof(buf) - 1, "%s:%s", jack_client_entry, name);
00037 
00038     // Connect to client notification port using client name
00039     if (!fClientPort.ConnectPort(buf)) {
00040         jack_error("Cannot connect client port");
00041         return -1;
00042     } else {
00043         return 0;
00044     }
00045 }
00046 
00047 void JackMachNotifyChannel::Close()
00048 {
00049     fClientPort.DisconnectPort();
00050 }
00051 
00052 void JackMachNotifyChannel::ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2, int* result)
00053 {
00054     kern_return_t res = (sync)
00055                         ? rpc_jack_client_sync_notify(fClientPort.GetPort(), refnum, (char*)name, notify, (char*)message, value1, value2, result)
00056                         : rpc_jack_client_async_notify(fClientPort.GetPort(), refnum, (char*)name, notify, (char*)message, value1, value2);
00057     if (res == KERN_SUCCESS) {
00058         *result = 0;
00059     } else {
00060         jack_error("JackMachNotifyChannel::ClientNotify: name = %s notify = %ld err = %s", name, notify, mach_error_string(res));
00061         *result = -1;
00062     }
00063 }
00064 
00065 } // end of namespace
00066 
00067