Panda3D
datagramUDPHeader.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file datagramUDPHeader.h
10  * @author drose
11  * @date 2000-02-08
12  */
13 
14 #ifndef DATAGRAMUDPHEADER_H
15 #define DATAGRAMUDPHEADER_H
16 
17 #include "pandabase.h"
18 
19 #include "netDatagram.h"
20 
21 #include "datagramIterator.h"
22 #include "numeric_types.h"
23 
24 static const int datagram_udp_header_size = sizeof(uint16_t);
25 
26 class NetDatagram;
27 
28 /**
29  * A class that encapsulates the extra bytes that are sent in front of each
30  * datagram to identify it when it is sent on UDP. Like NetDatagram, this
31  * class automatically handles converting its data to and from the network
32  * byte ordering.
33  */
34 class EXPCL_PANDA_NET DatagramUDPHeader {
35 public:
36  DatagramUDPHeader(const NetDatagram &datagram);
37  DatagramUDPHeader(const void *data);
38 
39  INLINE int get_datagram_checksum() const;
40  INLINE std::string get_header() const;
41 
42  bool verify_datagram(const NetDatagram &datagram) const;
43 
44 private:
45  // The actual data for the header is stored (somewhat recursively) in its
46  // own NetDatagram object. This is just for convenience of packing and
47  // unpacking the header.
48  NetDatagram _header;
49 };
50 
51 #include "datagramUDPHeader.I"
52 
53 #endif
netDatagram.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
datagramUDPHeader.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
numeric_types.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
DatagramUDPHeader
A class that encapsulates the extra bytes that are sent in front of each datagram to identify it when...
Definition: datagramUDPHeader.h:34
NetDatagram
A specific kind of Datagram, especially for sending across or receiving from a network.
Definition: netDatagram.h:40
datagramIterator.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.