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# Copyright 2002, Statistics Research, Bell Labs, Lucent Technologies and
# The University of North Carolina at Chapel Hill
#
# 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. The name of the author may not be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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)
# 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.
# Reference
# Stochastic Models for Generating Synthetic HTTP Source Traffic
# J. Cao, W.S. Cleveland, Y. Gao, K. Jeffay, F.D. Smith, and M.C. Weigle
# IEEE INFOCOM 2004.
#
# Documentation available at http://dirt.cs.unc.edu/packmime/
#
# Contacts: Michele Weigle (mcweigle@cs.unc.edu),
# Kevin Jeffay (jeffay@cs.unc.edu)
PackMimeHTTP instproc alloc-tcp {tcptype} {
if {$tcptype != "Reno"} {
set tcp [new Agent/TCP/FullTcp/$tcptype]
} else {
set tcp [new Agent/TCP/FullTcp]
}
return $tcp
}
PackMimeHTTP instproc setup-tcp {tcp fid} {
# set flow ID
$tcp set fid_ $fid
# register done procedure for when connection is closed
$tcp proc done {} "$self done $tcp"
}
# These need to be here so that we can attach the
# apps to a node (done in Tcl code)
PackMimeHTTP instproc alloc-client-app {} {
return [new Application/PackMimeHTTP/Client]
}
PackMimeHTTP instproc alloc-server-app {} {
return [new Application/PackMimeHTTP/Server]
}
PackMimeHTTP instproc done {tcp} {
# the connection is done, so recycle the agent
$self recycle $tcp
}
PackMimeHTTP instproc now {} {
set ns [Simulator instance]
return [format "%.6f" [$ns now]]
}
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