1 // echo.h -*- C++ -*- socket library
2 // Copyright (C) 1992-1996 Gnanasekaran Swaminathan <gs4t@virginia.edu>
3 //
4 // Permission is granted to use at your own risk and distribute this software
5 // in source and  binary forms provided  the above copyright notice and  this
6 // paragraph are  preserved on all copies.  This software is provided "as is"
7 // with no express or implied warranty.
8 //
9 // Version: 12Jan97 1.11
10 
11 #ifndef ECHO_H
12 #define ECHO_H
13 
14 #include <socket++/protocol.h>
15 
16 class MY_API echo: public protocol
17 {
18 public:
19   class MY_API echobuf: public protocol::protocolbuf {
20   public:
echobuf(sockinetbuf & si)21     echobuf (sockinetbuf& si): protocol::protocolbuf (si) {}
echobuf(protocol::p_name pname)22     echobuf (protocol::p_name pname) : protocol::protocolbuf (pname) {}
23 
24     void        serve_clients (int portno = -1) override;
rfc_name()25     const char* rfc_name () const override { return "echo"; }
rfc_doc()26     const char* rfc_doc  () const override { return "rfc862"; }
27   };
28 
29 protected:
echo()30   echo (): std::ios(nullptr) {}
31 
32 public:
echo(protocol::p_name pname)33   echo (protocol::p_name pname)
34     : std::ios (nullptr)
35       {
36 	      std::ios::init (new echobuf (pname));
37       }
~echo()38   ~echo () override { delete std::ios::rdbuf (); std::ios::init (nullptr); }
39 
rdbuf()40   echobuf* rdbuf () { return (echobuf*) protocol::rdbuf (); }
41   echobuf* operator -> () { return rdbuf (); }
42 };
43 
44 #endif // !ECHO_H
45