simgear/io/tcp_client.cxx

   1 #include <simgear/compiler.h>
   2 #include <iostream>
   3
   4 #ifdef _WIN32
   5 #include <windows.h>
   6 #else
   7 #include <unistd.h>
   8 #endif
   9
  10 #include <iostream>
  11
  12 #include <simgear/debug/logstream.hxx>
  13
  14 #include "sg_socket.hxx"
  15
  16
  17 class TcpClient
  18 {
  19 public:
  20     TcpClient( const char* host, const char* port );
  21     ~TcpClient();
  22
  23     bool open();
  24     bool process();
  25     bool close();
  26
  27 private:
  28     SGIOChannel* channel;
  29 };
  30
  31 TcpClient::TcpClient( const char* host, const char* port )
  32 {
  33     channel = new SGSocket( host, port, "tcp" );
  34 }
  35
  36 TcpClient::~TcpClient()
  37 {
  38     delete channel;
  39 }
  40
  41 bool
  42 TcpClient::open()
  43 {
  44     return channel->open( SG_IO_OUT );
  45 }
  46
  47 bool
  48 TcpClient::process()
  49 {
  50     char wbuf[1024];
  51
  52     sprintf( wbuf, "hello world\n" );
  53     int length = channel->writestring( wbuf );
  54     std::cout << "writestring returned " << length << "\n";
  55
  56     return true;
  57 }
  58
  59 bool
  60 TcpClient::close()
  61 {
  62     return channel->close();
  63 }
  64
  65 int
  66 main()
  67 {
  68     sglog().setLogLevels( SG_ALL, SG_INFO );
  69     TcpClient client( "localhost", "5500" );
  70     if (!client.open())
  71     {
  72         std::cout << "client open failed\n";
  73         return 0;
  74     }
  75
  76     for (int i = 0; i < 3; ++i)
  77     {
  78         client.process();
  79 #ifdef _WIN32
  80         Sleep(1000);
  81 #else
  82         sleep(1);
  83 #endif
  84     }
  85
  86     //client.close();
  87     return 0;
  88 }