tango.net.ftp.Telnet source code

1 /*******************************************************************************
2 
3         copyright:      Copyright (c) 2006 UWB. All rights reserved
4 
5         license:        BSD style: $(LICENSE)
6 
7         version:        Initial release: June 2006
8                         Tango Mods by Lester L Martin: August 2008
9 
10         author:         UWB
11 
12 *******************************************************************************/
13 
14 module tango.net.ftp.Telnet;
15 
16 private
17 {
18         import tango.core.Exception;
19         import tango.io.stream.Lines;
20         import tango.net.device.Socket;
21 }
22 
23 class Telnet
24 {
25         /// The Socket that is used to send commands.
26         Socket socket_;
27         Lines!(char) iterator;
28 
29         abstract void exception(string message);
30 
31         /// Send a line over the Socket Conduit.
32         ///
33         /// buf = the bytes to send
34         void sendline(const(void)[] buf)
35         {
36                 sendData(buf);
37                 sendData("\r\n");
38         }
39 
40         /// Send a line over the Socket Conduit.
41         ///
42         /// buf = the bytes to send
43         void sendData(const(void)[] buf)
44         {
45                 socket_.write(buf);
46         }
47 
48         /// Read a CRLF terminated line from the socket.
49         ///
50         /// Returns: the line read
51         const(char)[] readLine()
52         {
53                 const(char)[] to_return;
54                 iterator.readln(to_return);
55                 return to_return;
56         }
57 
58         /************************************************************************
59          * Find a server which is listening on the specified port.
60          *
61          *      Params:
62          *          hostname = the hostname to lookup and connect to
63          *          port = the port to connect on
64          *      Returns:
65                 the Socket instance used
66          *      Since: 0.99.8
67          */
68         Socket findAvailableServer(const(char)[] hostname, int port)
69         {
70                 socket_ = new Socket;
71                 socket_.connect(hostname, port);
72                 iterator = new Lines!(char)(socket_);
73                 return socket_;
74         }
75 
76 }