interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/osc/OSCSetup.cpp

   1 /*
   2
   3   Copyright (C) 2011 Grame
   4
   5   This library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   This library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with this library; if not, write to the Free Software
  17   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  20   research@grame.fr
  21
  22 */
  23
  24 #include <iostream>
  25 #include <stdexcept>
  26
  27 #include "OSCSetup.h"
  28 #include "TThreads.h"
  29 #include "OSCListener.h"
  30
  31 namespace oscfaust
  32 {
  33
  34 //--------------------------------------------------------------------------
  35 /*!
  36         \brief a specific thread to listen incoming osc packets
  37 */
  38 class OscThread : public TThreads
  39 {
  40         public:
  41                 SOSCListener fListener;
  42
  43                                  OscThread(MessageProcessor* mp, int udpport)
  44                                                          { fListener = OSCListener::create (mp, udpport); }
  45                 virtual ~OscThread() { stop(); }
  46
  47                 /// \brief starts the osc listener
  48                 void run ()                             { fListener->run(); }
  49                 void stop ()                    { fListener->stop(); quit(); }
  50                 SOSCListener&   listener()              { return fListener; }
  51 };
  52
  53 //--------------------------------------------------------------------------
  54 OSCSetup::~OSCSetup()                   { stop(); }
  55 bool OSCSetup::running() const  { return fOSCThread ? fOSCThread->isRunning() : false; }
  56
  57 //--------------------------------------------------------------------------
  58 bool OSCSetup::start(MessageProcessor* mp, int& inPort, int outPort, int errPort, const char* address )
  59 {
  60         int port = inPort;
  61         bool done = false;
  62         do {
  63                 try {
  64                         OSCStream::start();
  65                         oscout.setPort(outPort);
  66                         oscerr.setPort (errPort);
  67                         oscout.setAddress(address);
  68                         oscerr.setAddress(address);
  69                         fOSCThread = new OscThread (mp, port);
  70                         fOSCThread->start();
  71                         done = true;
  72                 }
  73                 catch (std::runtime_error e) {
  74                         if ( port - inPort > 1000) return false;
  75                         do {
  76                                 port++;
  77                         } while ((port == outPort) || (port == errPort));
  78                 }
  79         } while (!done);
  80         inPort = port;
  81         return true;
  82 }
  83
  84 //--------------------------------------------------------------------------
  85 void OSCSetup::stop()
  86 {
  87         if (fOSCThread) {
  88                 fOSCThread->stop();
  89                 OSCStream::stop();
  90                 delete fOSCThread;
  91                 fOSCThread = 0;
  92         }
  93 }
  94
  95 } // end namespoace