Headers/server/SC_ComPort.h

   1 /*
   2         SuperCollider real time audio synthesis system
   3     Copyright (c) 2002 James McCartney. All rights reserved.
   4         http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21
  22 #ifndef _SC_ComPort_
  23 #define _SC_ComPort_
  24
  25 #if defined (__APPLE__) && defined (__GNUC__)
  26 #define USE_RENDEZVOUS
  27 #endif
  28
  29 #include <sys/types.h>
  30 #ifdef SC_WIN32
  31 # include <winsock2.h>
  32 #else
  33 # include <sys/socket.h>
  34 #endif
  35 #include "OSC_Packet.h"
  36 #include "SC_Sem.h"
  37
  38 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  39
  40 class SC_CmdPort
  41 {
  42 protected:
  43         pthread_t mThread;
  44         struct World *mWorld;
  45
  46         void Start();
  47         virtual ReplyFunc GetReplyFunc()=0;
  48 public:
  49         SC_CmdPort(struct World *inWorld);
  50         virtual ~SC_CmdPort() {}
  51
  52         virtual void* Run()=0;
  53 };
  54
  55 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  56
  57 class SC_ComPort : public SC_CmdPort
  58 {
  59 protected:
  60         int mPortNum;
  61         int mSocket;
  62         struct sockaddr_in mBindSockAddr;
  63
  64 #ifdef USE_RENDEZVOUS
  65         pthread_t mRendezvousThread;
  66 #endif
  67
  68 public:
  69         SC_ComPort(struct World *inWorld, int inPortNum);
  70         virtual ~SC_ComPort();
  71
  72         int Socket() { return mSocket; }
  73
  74         int PortNum() const { return mPortNum; }
  75 #ifdef USE_RENDEZVOUS
  76         // default implementation does nothing (this is correct for
  77         // SC_TcpConnectionPort). Subclasses may override.
  78         virtual void PublishToRendezvous() {  };
  79 #endif
  80 };
  81
  82 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  83
  84 const size_t kMaxUDPSize = 65535;
  85
  86 class SC_UdpInPort : public SC_ComPort
  87 {
  88 protected:
  89         struct sockaddr_in mReplySockAddr;
  90         unsigned char mReadBuf[kMaxUDPSize];
  91         virtual ReplyFunc GetReplyFunc();
  92
  93 public:
  94         SC_UdpInPort(struct World *inWorld, int inPortNum);
  95         ~SC_UdpInPort();
  96
  97         int PortNum() const { return mPortNum; }
  98
  99         void* Run();
 100 #ifdef USE_RENDEZVOUS
 101         virtual void PublishToRendezvous();
 102 #endif
 103
 104 };
 105
 106 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 107
 108 class SC_TcpInPort : public SC_ComPort
 109 {
 110         SC_Semaphore mConnectionAvailable;
 111         int mBacklog;
 112
 113 protected:
 114         virtual ReplyFunc GetReplyFunc();
 115
 116 public:
 117         SC_TcpInPort(struct World *inWorld, int inPortNum, int inMaxConnections, int inBacklog);
 118
 119         virtual void* Run();
 120
 121         void ConnectionTerminated();
 122 #ifdef USE_RENDEZVOUS
 123         virtual void PublishToRendezvous();
 124 #endif
 125 };
 126
 127 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 128
 129 class SC_TcpConnectionPort : public SC_ComPort
 130 {
 131         SC_TcpInPort *mParent;
 132                 unsigned char mReadBuf[kMaxUDPSize];
 133
 134 protected:
 135         virtual ReplyFunc GetReplyFunc();
 136
 137 public:
 138         SC_TcpConnectionPort(struct World *inWorld, SC_TcpInPort *inParent, int inSocket);
 139         virtual ~SC_TcpConnectionPort();
 140
 141         virtual void* Run();
 142 };
 143
 144 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 145
 146 #ifdef SC_DARWIN
 147
 148 #include <CoreFoundation/CFMessagePort.h>
 149
 150 class SC_MachMessagePort : public SC_CmdPort
 151 {
 152     CFMessagePortRef mServerPort;
 153     CFMessagePortRef mReplyPort;
 154
 155 protected:
 156     virtual ReplyFunc GetReplyFunc();
 157
 158 public:
 159     SC_MachMessagePort(struct World *inWorld, CFStringRef serverPortName, CFStringRef replyPortName);
 160     virtual ~SC_MachMessagePort();
 161
 162     virtual void* Run();
 163
 164 private:
 165     static CFDataRef messagePortCallBack(CFMessagePortRef local, SInt32 msgid, CFDataRef data, void *info);
 166 };
 167
 168 #endif // SC_DARWIN
 169
 170 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 171
 172 #endif
 173