addrinfo.h
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1 /*
2  * Copyright (C) 2005,2009 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_ADDRINFO_H
30 #define CXXTOOLS_NET_ADDRINFO_H
31 
32 #include <string>
33 #include <cxxtools/systemerror.h>
34 
35 namespace cxxtools
36 {
37 
38 namespace net
39 {
40 
41  class AddrInfoImpl;
42 
43  class AddrInfo
44  {
45  public:
47  : _impl(0)
48  { }
49  explicit AddrInfo(AddrInfoImpl* impl);
50  AddrInfo(const std::string& host, unsigned short port, bool listen = false);
51  AddrInfo(const AddrInfo& src);
52  ~AddrInfo();
53 
54  AddrInfo& operator= (const AddrInfo& src);
55 
56  const std::string& host() const;
57  unsigned short port() const;
58 
59  AddrInfoImpl* impl() { return _impl; }
60  const AddrInfoImpl* impl() const { return _impl; }
61 
62  private:
63  AddrInfoImpl* _impl;
64  };
65 
66  inline bool operator== (const AddrInfo& a1, const AddrInfo& a2)
67  {
68  return a1.impl() == a2.impl()
69  || (a1.impl() != 0 && a2.impl() != 0
70  && a1.host() == a2.host()
71  && a2.port() == a2.port());
72  }
73 
74  inline bool operator!= (const AddrInfo& a1, const AddrInfo& a2)
75  {
76  return !(a1 == a2);
77  }
78 
79  class AddrInfoError : public SystemError
80  {
81  public:
82  explicit AddrInfoError(int ret);
83  };
84 
85 } // namespace net
86 
87 } // namespace cxxtools
88 
89 #endif // CXXTOOLS_NET_ADDRINFO_H