tcpserver.h
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1 /*
2  * Copyright (C) 2006 by Marc Boris Duerner, Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef CXXTOOLS_NET_TcpServer_H
30 #define CXXTOOLS_NET_TcpServer_H
31 
32 #include <cxxtools/api.h>
33 #include <cxxtools/selectable.h>
34 #include <cxxtools/signal.h>
35 #include <cxxtools/ioerror.h>
36 #include <string>
37 #include <exception>
38 
39 namespace cxxtools
40 {
41 
42 namespace net
43 {
44 
45  class AddressInUse : public IOError
46  {
47  public:
49  : IOError("address in use")
50  { }
51 
52  AddressInUse(const std::string& ipaddr, unsigned short int port);
53  };
54 
55  class AcceptTerminated : public std::exception
56  {
57  public:
58  const char* what() const throw ()
59  { return "accept terminated"; }
60  };
61 
63  {
64  class TcpServerImpl* _impl;
65 
66  public:
67  enum { INHERIT = 1, DEFER_ACCEPT = 2 };
68 
69  TcpServer();
70 
73  TcpServer(const std::string& ipaddr, unsigned short int port, int backlog = 5, unsigned flags = 0);
74 
75  ~TcpServer();
76 
77  void listen(const std::string& ipaddr, unsigned short int port, int backlog = 5, unsigned flags = 0);
78 
79  // inherit doc
80  virtual SelectableImpl& simpl();
81 
87  void terminateAccept();
88 
89  TcpServerImpl& impl() const;
90 
91  Signal<TcpServer&> connectionPending;
92 
93  protected:
94  // inherit doc
95  virtual void onClose();
96 
97  // inherit doc
98  virtual bool onWait(std::size_t msecs);
99 
100  // inherit doc
101  virtual void onAttach(SelectorBase&);
102 
103  // inherit doc
104  virtual void onDetach(SelectorBase&);
105  };
106 
107 } // namespace net
108 
109 } // namespace cxxtools
110 
111 #endif // CXXTOOLS_NET_TcpServer_H