src/FDM/JSBSim/input_output/FGfdmSocket.h

   1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   2
   3  Header:       FGfdmSocket.h
   4  Author:       Jon S. Berndt
   5  Date started: 11/08/99
   6
   7  ------------- Copyright (C) 1999  Jon S. Berndt (jon@jsbsim.org) -------------
   8
   9  This program is free software; you can redistribute it and/or modify it under
  10  the terms of the GNU Lesser General Public License as published by the Free Software
  11  Foundation; either version 2 of the License, or (at your option) any later
  12  version.
  13
  14  This program is distributed in the hope that it will be useful, but WITHOUT
  15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  16  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  17  details.
  18
  19  You should have received a copy of the GNU Lesser General Public License along with
  20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  21  Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23  Further information about the GNU Lesser General Public License can also be found on
  24  the world wide web at http://www.gnu.org.
  25
  26 HISTORY
  27 --------------------------------------------------------------------------------
  28 11/08/99   JSB   Created
  29 11/08/07   HDW   Added Generic Socket Send
  30
  31 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  32 SENTRY
  33 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  34
  35 #ifndef FGfdmSocket_H
  36 #define FGfdmSocket_H
  37
  38 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  39 INCLUDES
  40 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  41
  42 #include <string>
  43 #include <sstream>
  44 #include <sys/types.h>
  45 #include "FGJSBBase.h"
  46
  47 #if defined(_MSC_VER) || defined(__MINGW32__)
  48   #include <winsock.h>
  49   #include <io.h>
  50 #else
  51   #include <unistd.h>
  52   #include <sys/socket.h>
  53   #include <netinet/in.h>
  54   #include <netdb.h>
  55   #include <errno.h>
  56   #include <sys/ioctl.h>
  57 #endif
  58
  59 #ifdef _MSC_VER
  60 #  pragma comment (lib,"WSock32.lib")
  61 #endif
  62
  63 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  64 DEFINITIONS
  65 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  66
  67 #define ID_FDMSOCKET "$Id$"
  68
  69 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  70 FORWARD DECLARATIONS
  71 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  72
  73 namespace JSBSim {
  74
  75 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  76 CLASS DOCUMENTATION
  77 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  78
  79 /** Encapsulates an object that enables JSBSim to communicate via socket (input
  80     and/or output).
  81
  82   */
  83
  84 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  85 CLASS DECLARATION
  86 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  87
  88 class FGfdmSocket : public FGJSBBase
  89 {
  90 public:
  91   FGfdmSocket(const std::string&, int);
  92   FGfdmSocket(const std::string&, int, int);
  93   FGfdmSocket(int);
  94   ~FGfdmSocket();
  95   void Send(void);
  96   void Send(const char *data, int length);
  97
  98   std::string Receive(void);
  99   int Reply(const std::string& text);
 100   void Append(const std::string& s) {Append(s.c_str());}
 101   void Append(const char*);
 102   void Append(double);
 103   void Append(long);
 104   void Clear(void);
 105   void Clear(const std::string& s);
 106   void Close(void);
 107   bool GetConnectStatus(void) {return connected;}
 108
 109   enum {ptUDP, ptTCP};
 110
 111 private:
 112   int sckt;
 113   int sckt_in;
 114   struct sockaddr_in scktName;
 115   struct hostent *host;
 116   std::ostringstream buffer;
 117   bool connected;
 118   void Debug(int from);
 119 };
 120 }
 121 #endif