simple-rtp.tcl
上传用户:rrhhcc
上传日期:2015-12-11
资源大小:54129k
文件大小:3k
- #
- # Copyright (c) 1997,1998,1999 Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the MASH Research
- # Group at the University of California Berkeley.
- # 4. Neither the name of the University nor of the Research Group may be
- # used to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/tcl/ex/simple-rtp.tcl,v 1.5 1999/09/10 22:08:45 haoboy Exp $
- # updated to use -multicast on and allocaddr by Lloyd Wood
- set ns [new Simulator -multicast on]
- set n0 [$ns node]
- set n1 [$ns node]
- set n2 [$ns node]
- set n3 [$ns node]
- $ns color 1 red
- # prune/graft packets
- $ns color 30 purple
- $ns color 31 bisque
- # RTCP reports
- $ns color 32 green
- set f [open rtp-out.tr w]
- $ns trace-all $f
- set nf [open out.nam w]
- $ns namtrace-all $nf
- $ns duplex-link $n0 $n1 1.5Mb 10ms DropTail
- $ns duplex-link $n1 $n2 1.5Mb 10ms DropTail
- $ns duplex-link $n1 $n3 1.5Mb 10ms DropTail
- $ns duplex-link-op $n0 $n1 orient right
- $ns duplex-link-op $n1 $n2 orient right-up
- $ns duplex-link-op $n1 $n3 orient right-down
- $ns duplex-link-op $n0 $n1 queuePos 0.5
- set mproto DM
- set mrthandle [$ns mrtproto $mproto {}]
- set group [Node allocaddr]
- set s0 [new Session/RTP]
- set s1 [new Session/RTP]
- set s2 [new Session/RTP]
- set s3 [new Session/RTP]
- $s0 session_bw 400kb/s
- $s1 session_bw 400kb/s
- $s2 session_bw 400kb/s
- $s3 session_bw 400kb/s
- $s0 attach-node $n0
- $s1 attach-node $n1
- $s2 attach-node $n2
- $s3 attach-node $n3
- $ns at 1.4 "$s0 join-group $group"
- $ns at 1.5 "$s0 start"
- $ns at 1.6 "$s0 transmit 400kb/s"
- $ns at 1.7 "$s1 join-group $group"
- $ns at 1.8 "$s1 start"
- $ns at 1.9 "$s1 transmit 400kb/s"
- $ns at 2.0 "$s2 join-group $group"
- $ns at 2.1 "$s2 start"
- $ns at 2.2 "$s2 transmit 400kb/s"
- $ns at 2.3 "$s3 join-group $group"
- $ns at 2.4 "$s3 start"
- $ns at 2.5 "$s3 transmit 400kb/s"
- $ns at 4.0 "finish"
- proc finish {} {
- global ns f nf
- $ns flush-trace
- close $f
- close $nf
- puts "running nam..."
- exec nam out.nam &
- exit 0
- }
- $ns run