simgear/io/tcp_client.cxx

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