udp.h
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1 /*
2  * Copyright (C) 2005 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_UDP_H
30 #define CXXTOOLS_NET_UDP_H
31 
32 #include <cxxtools/net/net.h>
33 #include <netinet/in.h>
34 #include <sys/socket.h>
35 #include <sys/types.h>
36 
37 namespace cxxtools
38 {
39 
40 namespace net
41 {
42  class UdpSender : public Socket
43  {
44  bool connected;
45 
46  public:
47  typedef size_t size_type;
48 
50  : connected(false)
51  { }
52 
53  UdpSender(const std::string& ipaddr, unsigned short int port, bool bcast = false);
54 
55  void connect(const std::string& ipaddr, unsigned short int port, bool bcast = false);
56  bool isConnected() const { return connected; }
57 
58  size_type send(const void* message, size_type length, int flags = 0) const;
59  size_type send(const std::string& message, int flags = 0) const;
60  size_type recv(void* buffer, size_type length, int flags = 0) const;
61  std::string recv(size_type length, int flags = 0) const;
62  };
63 
64  class UdpReceiver : public Socket
65  {
66  struct sockaddr_storage peeraddr;
67  socklen_t peeraddrLen;
68 
69  public:
70  typedef size_t size_type;
71 
72  UdpReceiver();
73  UdpReceiver(const std::string& ipaddr, unsigned short int port);
74 
75  void bind(const std::string& ipaddr, unsigned short int port);
76 
77  size_type recv(void* buffer, size_type length, int flags = 0);
78  std::string recv(size_type length, int flags = 0);
79  size_type send(const void* message, size_type length, int flags = 0) const;
80  size_type send(const std::string& message, int flags = 0) const;
81  };
82 
83 } // namespace net
84 
85 } // namespace cxxtools
86 
87 #endif // CXXTOOLS_NET_UDP_H