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//============================================================================= // TcpLink: An Internet TCP/IP connection. //============================================================================= class TcpLink extends InternetLink native transient; //----------------------------------------------------------------------------- // Variables. // LinkState is only valid for TcpLink at this time. var enum ELinkState { STATE_Initialized, // Sockets is initialized STATE_Ready, // Port bound, ready for activity STATE_Listening, // Listening for connections STATE_Connecting, // Attempting to connect STATE_Connected, // Open and connected } LinkState; var IpAddr RemoteAddr; // Contains address of peer connected to from a Listen() //----------------------------------------------------------------------------- // natives. // BindPort: Binds a free port or optional port specified in argument one. native function bool BindPort( optional int Port, optional bool bUseNextAvailable ); // Listen: Listen for connections. Can handle up to 5 simultaneous connections. // Returns false if failed to place socket in listen mode. native function bool Listen(); // Open: Open a connection to a foreign host. native function bool Open( IpAddr Addr ); // Close: Closes the current connection. native function bool Close(); // IsConnected: Returns true if connected. native function bool IsConnected(); // SendText: Sends text string. // Appends a cr/lf if LinkMode=MODE_Line. Returns number of bytes sent. native function int SendText( coerce string Str ); // SendBinary: Send data as a byte array. native function int SendBinary( int Count, byte B[255] ); // ReadText: Reads text string. // Returns number of bytes read. native function int ReadText( out string Str ); // ReadBinary: Read data as a byte array. native function int ReadBinary( int Count, out byte B[255] ); //----------------------------------------------------------------------------- // Events. // Accepted: Called during STATE_Listening when a new connection is accepted. event Accepted(); // Opened: Called when socket successfully connects. event Opened(); // Closed: Called when Close() completes or the connection is dropped. event Closed(); // ReceivedText: Called when data is received and connection mode is MODE_Text. event ReceivedText( string Text ); // ReceivedLine: Called when data is received and connection mode is MODE_Line. event ReceivedLine( string Line ); // ReceivedBinary: Called when data is received and connection mode is MODE_Binary. event ReceivedBinary( int Count, byte B[255] ); defaultproperties { bAlwaysTick=True } |
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