Jack2 1.9.6
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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 "JackSocketServerNotifyChannel.h" 00021 #include "JackError.h" 00022 #include "JackRequest.h" 00023 #include "JackConstants.h" 00024 #include "JackNotification.h" 00025 00026 namespace Jack 00027 { 00028 00029 int JackSocketServerNotifyChannel::Open(const char* server_name) 00030 { 00031 if (fRequestSocket.Connect(jack_server_dir, server_name, 0) < 0) { 00032 jack_error("Cannot connect to server socket"); 00033 return -1; 00034 } else { 00035 fRequestSocket.SetNonBlocking(true); 00036 return 0; 00037 } 00038 } 00039 00040 void JackSocketServerNotifyChannel::Close() 00041 { 00042 fRequestSocket.Close(); 00043 } 00044 00045 /* 00046 The requirement is that the Notification from RT thread can be delivered... not sure using a socket is adequate here... 00047 Can the write operation block? 00048 A non blocking write operation shoud be used : check if write can succeed, and ignore the notification otherwise 00049 (since its mainly used for XRun, ignoring a notification is OK, successive XRun will come...) 00050 */ 00051 void JackSocketServerNotifyChannel::Notify(int refnum, int notify, int value) 00052 { 00053 JackClientNotificationRequest req(refnum, notify, value); 00054 if (req.Write(&fRequestSocket) < 0) { 00055 jack_error("Could not write request ref = %d notify = %d", refnum, notify); 00056 } 00057 } 00058 00059 void JackSocketServerNotifyChannel::NotifyQuit() 00060 { 00061 JackClientNotificationRequest req(-1, kQUIT, 0); 00062 if (req.Write(&fRequestSocket) < 0) { 00063 jack_error("Could not write request ref = %d notify = %d", -1, kQUIT); 00064 } 00065 } 00066 00067 00068 } // end of namespace 00069 00070