interpretor/faust-0.9.47mr3/architecture/osclib/faust/src/OSCControler.cpp

   1 /*
   2
   3   Faust Project
   4
   5   Copyright (C) 2011 Grame
   6
   7   This library is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU Lesser General Public
   9   License as published by the Free Software Foundation; either
  10   version 2.1 of the License, or (at your option) any later version.
  11
  12   This library is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15   Lesser General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public
  18   License along with this library; if not, write to the Free Software
  19   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  22   research@grame.fr
  23
  24 */
  25
  26 #include <stdlib.h>
  27 #include <iostream>
  28
  29 #include "OSCControler.h"
  30 #include "FaustFactory.h"
  31 #include "OSCSetup.h"
  32 #include "OSCFError.h"
  33 #include "RootNode.h"
  34 #include "OSCIO.h"
  35
  36 using namespace std;
  37
  38 namespace oscfaust
  39 {
  40
  41 #define kVersion         0.91f
  42 #define kVersionStr     "0.91"
  43
  44 static const char* kUDPPortOpt  = "-port";
  45 static const char* kUDPOutOpt   = "-outport";
  46 static const char* kUDPErrOpt   = "-errport";
  47 static const char* kUDPDestOpt  = "-dest";
  48
  49 //--------------------------------------------------------------------------
  50 // utilities for command line arguments
  51 //--------------------------------------------------------------------------
  52 static int getPortOption (int argc, char *argv[], const std::string& option, int defaultValue)
  53 {
  54         for (int i=0; i < argc-1; i++) {
  55                 if (option == argv[i]) {
  56                         int val = strtol( argv[i+1], 0, 10);
  57                         if (val) return val;
  58                 }
  59         }
  60         return defaultValue;
  61 }
  62
  63 static const char* getDestOption (int argc, char *argv[], const std::string& option, const char* defaultValue)
  64 {
  65         for (int i=0; i < argc-1; i++) {
  66                 if (option == argv[i])
  67                         return argv[i+1];
  68         }
  69         return defaultValue;
  70 }
  71
  72
  73 //--------------------------------------------------------------------------
  74 OSCControler::OSCControler (int argc, char *argv[], OSCIO* io)
  75         : fUDPPort(kUDPBasePort), fUDPOut(kUDPBasePort+1), fUPDErr(kUDPBasePort+2), fIO(io)
  76 {
  77         fUDPPort = getPortOption (argc, argv, kUDPPortOpt, fUDPPort);
  78         fUDPOut  = getPortOption (argc, argv, kUDPOutOpt, fUDPOut);
  79         fUPDErr  = getPortOption (argc, argv, kUDPErrOpt, fUPDErr);
  80         fDestAddress = getDestOption (argc, argv, kUDPDestOpt, "localhost");
  81
  82         fFactory = new FaustFactory(io);
  83         fOsc = new OSCSetup();
  84 }
  85
  86 OSCControler::~OSCControler ()
  87 {
  88         quit();
  89         delete fFactory;
  90         delete fOsc;
  91 }
  92
  93 //--------------------------------------------------------------------------
  94 float OSCControler::version()                           { return kVersion; }
  95 const char* OSCControler::versionstr()          { return kVersionStr; }
  96
  97 //--------------------------------------------------------------------------
  98 // Add a node in the current group (top of the group stack)
  99 void OSCControler::addnode (const char* label, float* zone, float init, float min, float max)
 100 {
 101         fFactory->addnode (label, zone, init, min, max);
 102 }
 103
 104 //--------------------------------------------------------------------------
 105 // Add a node using its fullpath from the root instead of the current group
 106 // This method is used for alias messages. The arguments imin and imax allow
 107 // to map incomming values from the alias input range to the actual range
 108 void OSCControler::addfullpathnode (const string& fullpath, float* zone, float imin, float imax, float init, float min, float max)
 109 {
 110         fFactory->addfullpathnode (fullpath, zone, imin, imax, init, min, max);
 111 }
 112
 113
 114 //--------------------------------------------------------------------------
 115 void OSCControler::opengroup (const char* label)
 116 {
 117         fFactory->opengroup (label);
 118 }
 119
 120 //--------------------------------------------------------------------------
 121 void OSCControler::closegroup ()
 122 {
 123         fFactory->closegroup ();
 124 }
 125
 126 //--------------------------------------------------------------------------
 127 static std::string quote (const char* str)      {
 128         std::string outstr ( str );
 129         outstr.insert (0, 1, '\'');
 130         outstr += '\'';
 131         return outstr;
 132 }
 133
 134 //--------------------------------------------------------------------------
 135 // start the network services
 136 void OSCControler::run ()
 137 {
 138         SMessageDriven root = fFactory->root();         // first get the root node
 139         if (root) {
 140                 // and cast it to a RootNode
 141                 RootNode * rootnode = dynamic_cast<RootNode*> ((MessageDriven*)root);
 142                 // informs the root node of the udp ports numbers (required to handle the 'hello' message
 143                 if (rootnode) rootnode->setPorts (&fUDPPort, &fUDPOut, &fUPDErr);
 144                 // starts the network services
 145                 fOsc->start (root, fUDPPort, fUDPOut, fUPDErr, getDesAddress());
 146
 147                 // and outputs a message on the osc output port
 148                 oscout << OSCStart("Faust OSC version") << versionstr() << "-"
 149                                 << quote(root->getName()).c_str() << "is running on UDP ports "
 150                                 <<  fUDPPort << fUDPOut << fUPDErr;
 151                 if (fIO) oscout << " using OSC IO - in chans: " << fIO->numInputs() << " out chans: " << fIO->numOutputs();
 152                 oscout << OSCEnd();
 153
 154                 // that should not occur unless a derivative changes the root node type
 155                 if (!rootnode) OSCFErr << root->getName() << ": is not a root node, 'hello' message won't be supported" << OSCFEndl;
 156         }
 157 }
 158
 159 //--------------------------------------------------------------------------
 160 const char*     OSCControler::getRootName()     { return fFactory->root()->getName(); }
 161
 162 //--------------------------------------------------------------------------
 163 void OSCControler::quit ()
 164 {
 165         fOsc->stop();
 166 }
 167
 168 }