interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/examples/SimpleReceive.cpp

   1 /*
   2     Example of two different ways to process received OSC messages using oscpack.
   3     Receives the messages from the SimpleSend.cpp example.
   4 */
   5
   6 #include <string.h>
   7 #include <iostream>
   8
   9 #include "osc/OscReceivedElements.h"
  10 #include "osc/OscPacketListener.h"
  11 #include "ip/UdpSocket.h"
  12
  13
  14 #define PORT 7000
  15
  16 class ExamplePacketListener : public osc::OscPacketListener {
  17 protected:
  18
  19     virtual void ProcessMessage( const osc::ReceivedMessage& m,
  20                                 const IpEndpointName& remoteEndpoint )
  21     {
  22         try{
  23             // example of parsing single messages. osc::OsckPacketListener
  24             // handles the bundle traversal.
  25
  26             if( strcmp( m.AddressPattern(), "/test1" ) == 0 ){
  27                 // example #1 -- argument stream interface
  28                 osc::ReceivedMessageArgumentStream args = m.ArgumentStream();
  29                 bool a1;
  30                 osc::int32 a2;
  31                 float a3;
  32                 const char *a4;
  33                 args >> a1 >> a2 >> a3 >> a4 >> osc::EndMessage;
  34
  35                 std::cout << "received '/test1' message with arguments: "
  36                     << a1 << " " << a2 << " " << a3 << " " << a4 << "\n";
  37
  38             }else if( strcmp( m.AddressPattern(), "/test2" ) == 0 ){
  39                 // example #2 -- argument iterator interface, supports
  40                 // reflection for overloaded messages (eg you can call
  41                 // (*arg)->IsBool() to check if a bool was passed etc).
  42                 osc::ReceivedMessage::const_iterator arg = m.ArgumentsBegin();
  43                 bool a1 = (arg++)->AsBool();
  44                 int a2 = (arg++)->AsInt32();
  45                 float a3 = (arg++)->AsFloat();
  46                 const char *a4 = (arg++)->AsString();
  47                 if( arg != m.ArgumentsEnd() )
  48                     throw osc::ExcessArgumentException();
  49
  50                 std::cout << "received '/test2' message with arguments: "
  51                     << a1 << " " << a2 << " " << a3 << " " << a4 << "\n";
  52             }
  53         }catch( osc::Exception& e ){
  54             // any parsing errors such as unexpected argument types, or
  55             // missing arguments get thrown as exceptions.
  56             std::cout << "error while parsing message: "
  57                 << m.AddressPattern() << ": " << e.what() << "\n";
  58         }
  59     }
  60 };
  61
  62 int main(int argc, char* argv[])
  63 {
  64     ExamplePacketListener listener;
  65     UdpListeningReceiveSocket s(
  66             IpEndpointName( IpEndpointName::ANY_ADDRESS, PORT ),
  67             &listener );
  68
  69     std::cout << "press ctrl-c to end\n";
  70
  71     s.RunUntilSigInt();
  72
  73     return 0;
  74 }
  75