ccRTP
ext.h
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1// Copyright (C) 1999-2003 Open Source Telecom Corporation.
2//
3// This program is free software; you can redistribute it and/or modify
4// it under the terms of the GNU General Public License as published by
5// the Free Software Foundation; either version 2 of the License, or
6// (at your option) any later version.
7//
8// This program is distributed in the hope that it will be useful,
9// but WITHOUT ANY WARRANTY; without even the implied warranty of
10// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11// GNU General Public License for more details.
12//
13// You should have received a copy of the GNU General Public License
14// along with this program; if not, write to the Free Software
15// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16//
17// As a special exception, you may use this file as part of a free software
18// library without restriction. Specifically, if other files instantiate
19// templates or use macros or inline functions from this file, or you compile
20// this file and link it with other files to produce an executable, this
21// file does not by itself cause the resulting executable to be covered by
22// the GNU General Public License. This exception does not however
23// invalidate any other reasons why the executable file might be covered by
24// the GNU General Public License.
25//
26// This exception applies only to the code released under the name GNU
27// ccRTP. If you copy code from other releases into a copy of GNU
28// ccRTP, as the General Public License permits, the exception does
29// not apply to the code that you add in this way. To avoid misleading
30// anyone as to the status of such modified files, you must delete
31// this exception notice from them.
32//
33// If you write modifications of your own for GNU ccRTP, it is your choice
34// whether to permit this exception to apply to your modifications.
35// If you do not wish that, delete this exception notice.
36//
37
43#ifndef CCXX_RTP_EXT_H
44#define CCXX_RTP_EXT_H
45
46#ifndef COMMONCPP_SOCKET_H_
47#include <commoncpp/socket.h>
48#include <commoncpp/udp.h>
49#endif
50
51#include <ccrtp/ioqueue.h>
52#include <ccrtp/channel.h>
53
54NAMESPACE_COMMONCPP
55
71class __EXPORT RTPDuplex : public RTPDataQueue,
72 protected UDPReceive, public UDPTransmit
73{
74public:
80 RTPDuplex(const InetAddress &bind, tpport_t local, tpport_t remote);
81
85 virtual
87
94 UDPTransmit::Error
95 connect(const InetHostAddress &host, tpport_t port = 0);
96
97protected:
98
103 bool
105 { return isPendingReceive(timeout); }
106
112 size_t
113 sendData(const unsigned char *const buffer, size_t len)
114 { return UDPTransmit::transmit((const char *)buffer, len); }
115
123 size_t
124 recvData(unsigned char *buffer, size_t len,
125 InetHostAddress& na, tpport_t& tp)
126 { /* na = UDPReceive::getPeer(&tp); FIX name ambiguity */
127 return UDPReceive::receive(buffer, len); }
128
133 inline void
134 setDataPeer(const InetAddress&, tpport_t)
135 { }
136
141 inline void
142 setControlPeer(const InetAddress&, tpport_t)
143 { }
144
145 inline size_t
147 {
148 // the const cast is a trick only needed for cc++2 <= 1.0.10
149 size_t len; ccioctl(const_cast<RTPDuplex*>(this)->UDPReceive::getReceiver(),FIONREAD,len); return len;
150 }
151
156
157private:
158 tpport_t dataBasePort;
159};
160 // rtpext
162
163END_NAMESPACE
164
165#endif //CCXX_RTP_EXT_H
166
uint32 microtimeout_t
Time interval expressed in microseconds.
Definition base.h:68
Definition of socket classes for different underlying transport and/or network protocols that can be ...
size_t ccioctl(int so, int request, size_t &len)
Definition channel.h:46
A packet queue handler for building different kinds of RTP protocol systems.
Definition ioqueue.h:78
A peer associated RTP socket pair for physically connected peer hosts.
Definition ext.h:73
Synchronization source in an RTP session.
Definition sources.h:195
size_t getNextDataPacketSize() const
Definition ext.h:146
SyncSource & getPeer()
bool isPendingData(microtimeout_t timeout)
Definition ext.h:104
void setControlPeer(const InetAddress &, tpport_t)
Definition ext.h:142
UDPTransmit::Error connect(const InetHostAddress &host, tpport_t port=0)
void setDataPeer(const InetAddress &, tpport_t)
Definition ext.h:134
RTPDuplex(const InetAddress &bind, tpport_t local, tpport_t remote)
size_t recvData(unsigned char *buffer, size_t len, InetHostAddress &na, tpport_t &tp)
Definition ext.h:124
virtual ~RTPDuplex()
size_t sendData(const unsigned char *const buffer, size_t len)
Definition ext.h:113
Generic RTP input/output queues.