include/lang/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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #ifndef _SC_ComPort_
  22 #define _SC_ComPort_
  23
  24 #ifdef _WIN32
  25 # include <winsock2.h>
  26 typedef int socklen_t;
  27 # define bzero( ptr, count ) memset( ptr, 0, count )
  28 #else
  29 #include <sys/types.h>
  30 #include <sys/socket.h>
  31 #endif
  32
  33 #include "SC_Msg.h"
  34 #include "SC_Sem.h"
  35 #include "boost/atomic.hpp"
  36
  37 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  38
  39 class SC_CmdPort
  40 {
  41 protected:
  42         pthread_t mThread;
  43
  44         void Start();
  45         virtual ReplyFunc GetReplyFunc()=0;
  46 public:
  47         SC_CmdPort();
  48         virtual ~SC_CmdPort();
  49
  50         virtual void* Run()=0;
  51 };
  52
  53 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  54
  55 class SC_ComPort : public SC_CmdPort
  56 {
  57 protected:
  58         int mPortNum;
  59         int mSocket;
  60         struct sockaddr_in mBindSockAddr;
  61
  62 public:
  63         SC_ComPort(int inPortNum);
  64         virtual ~SC_ComPort();
  65
  66         int Socket() { return mSocket; }
  67
  68         int PortNum() const { return mPortNum; }
  69         int RealPortNum() const { return ntohs(mBindSockAddr.sin_port); }
  70 };
  71
  72 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  73
  74 const int kTextBufSize = 65536;
  75
  76 class SC_UdpInPort : public SC_ComPort
  77 {
  78         char buf[kTextBufSize];
  79         struct sockaddr_in mReplySockAddr;
  80         virtual ReplyFunc GetReplyFunc();
  81
  82 public:
  83         SC_UdpInPort(int inPortNum);
  84         ~SC_UdpInPort();
  85
  86         int PortNum() const { return mPortNum; }
  87
  88         void* Run();
  89 };
  90
  91 //////////////////////////////////////////////////////////////////////////////////////////////////////////
  92
  93 class SC_UdpCustomInPort : public SC_ComPort
  94 {
  95         char buf[kTextBufSize];
  96         struct sockaddr_in mReplySockAddr;
  97         virtual ReplyFunc GetReplyFunc();
  98         boost::atomic<bool> mRunning;
  99
 100 public:
 101         SC_UdpCustomInPort(int inPortNum);
 102         ~SC_UdpCustomInPort();
 103
 104         int PortNum() const { return mPortNum; }
 105
 106         void* Run();
 107 };
 108
 109 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 110
 111 class SC_TcpInPort : public SC_ComPort
 112 {
 113         SC_Semaphore mConnectionAvailable;
 114         int mBacklog;
 115
 116 protected:
 117         virtual ReplyFunc GetReplyFunc();
 118
 119 public:
 120         SC_TcpInPort(int inPortNum, int inMaxConnections, int inBacklog);
 121
 122         virtual void* Run();
 123
 124         void ConnectionTerminated();
 125 };
 126
 127 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 128
 129 class SC_TcpConnectionPort : public SC_ComPort
 130 {
 131         SC_TcpInPort *mParent;
 132
 133 protected:
 134         virtual ReplyFunc GetReplyFunc();
 135
 136 public:
 137         SC_TcpConnectionPort(SC_TcpInPort *inParent, int inSocket);
 138         virtual ~SC_TcpConnectionPort();
 139
 140         virtual void* Run();
 141 };
 142
 143
 144 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 145
 146 class SC_TcpClientPort : public SC_ComPort
 147 {
 148 public:
 149         typedef void (*ClientNotifyFunc)(void* clientData);
 150
 151 public:
 152         SC_TcpClientPort(int inSocket, ClientNotifyFunc notifyFunc=0, void* clientData=0);
 153         virtual ~SC_TcpClientPort();
 154
 155         virtual void* Run();
 156         void Close();
 157
 158 protected:
 159         virtual ReplyFunc GetReplyFunc();
 160
 161 private:
 162         struct sockaddr_in      mReplySockAddr;
 163         int                                     mCmdFifo[2];
 164         ClientNotifyFunc        mClientNotifyFunc;
 165         void*                           mClientData;
 166 };
 167
 168 //////////////////////////////////////////////////////////////////////////////////////////////////////////
 169
 170 #endif
 171