// $Id$
//
// Copyright (C) 2007
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
// Stefan Bund <g0dil@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
//#include "ppitest.ih"
// Custom includes
-#include "Socket/Protocols/INet/UDPSocketHandle.hh"
-#include "Socket/Protocols/INet/ConnectedUDPSocketHandle.hh"
-#include "Socket/Protocols/INet/INetAddressing.hh"
-#include "PPI/SocketReader.hh"
-#include "PPI/SocketWriter.hh"
-#include "PPI/Module.hh"
-#include "PPI/IntervalTimer.hh"
-#include "PPI/Joins.hh"
-#include "PPI/PassiveQueue.hh"
-#include "PPI/Setup.hh"
+#include <senf/Socket/Protocols/INet.hh>
+#include <senf/PPI.hh>
//#include "ppitest.mpp"
#define prefix_
namespace connector = senf::ppi::connector;
namespace ppi = senf::ppi;
-namespace {
+// ////////////////////////////////////////////////////////////////////////
+// RateFilter
- class RateFilter
- : public module::Module
- {
- SENF_PPI_MODULE(RateFilter);
- public:
-
- connector::ActiveInput input;
- connector::ActiveOutput output;
+class RateFilter
+ : public module::Module
+{
+ SENF_PPI_MODULE(RateFilter);
+public:
- RateFilter(senf::ClockService::clock_type interval) : timer(interval) {
- route(input,output);
- route(input,timer);
- registerEvent(&RateFilter::timeout, timer);
- }
+ connector::ActiveInput<> input;
+ connector::ActiveOutput<> output;
- private:
- void timeout() {
- output(input());
- }
+ RateFilter(senf::ClockService::clock_type interval);
- ppi::IntervalTimer timer;
- };
+private:
+ void timeout();
- class CopyPacketGenerator
- : public module::Module
- {
- SENF_PPI_MODULE(CopyPacketGenerator);
- public:
+ ppi::IntervalTimer timer;
+};
- connector::PassiveOutput output;
+RateFilter::RateFilter(senf::ClockService::clock_type interval)
+ : timer(interval)
+{
+ route(input,timer);
+ route(timer,output);
+ registerEvent(timer, &RateFilter::timeout);
+}
- CopyPacketGenerator(senf::Packet p) : packet(p) {
- noroute(output);
- output.onRequest(&CopyPacketGenerator::request);
- }
+void RateFilter::timeout()
+{
+ output(input());
+}
- private:
- void request() {
- output(packet);
- }
+// ////////////////////////////////////////////////////////////////////////
- senf::Packet packet;
- };
-}
+class RateStuffer
+{
+ module::ThrottleBarrier barrier;
+ module::PassiveQueue queue;
+ module::CloneSource generator;
+ module::PriorityJoin join;
+ RateFilter rateFilter;
+
+public:
+ connector::PassiveInput<> & input;
+ connector::ActiveOutput<> & output;
+
+ RateStuffer(senf::ClockService::clock_type interval,
+ senf::Packet packet,
+ unsigned high = 1,
+ unsigned low = 0)
+ : barrier (),
+ queue (),
+ generator ( packet ),
+ join (),
+ rateFilter ( interval ),
+ input ( barrier.input ),
+ output ( rateFilter.output )
+ {
+ ppi::connect( barrier, queue );
+ ppi::connect( queue, join );
+ ppi::connect( generator, join );
+ ppi::connect( join, rateFilter );
+
+ queue.qdisc(ppi::ThresholdQueueing(high,low));
+ }
+};
+
+// ////////////////////////////////////////////////////////////////////////
+// ////////////////////////////////////////////////////////////////////////
// Module setup:
//
// 'O' = active connector
// '>' or '<' = input connector
//
-// [ udpReader ] O--> [ queue ] -->O [ ]
-// [ join ] -->O [ rateFilter] O--> [ udpWriter ]
-// [ generator ] -->O [ ]
+// +----------------------------------------------------+
+// | stuffer |
+// | |
+// [ udpSource ] O-->:---> [ queue ] -->O [ ] |
+// | [ join ] -->O [ rateFilter] O-->:O--> [ udpSink ]
+// | [ generator ] -->O [ ] |
+// | |
+// +----------------------------------------------------+
int main(int argc, char * argv[])
{
- senf::UDPv4ClientSocketHandle inputSocket;
- inputSocket.bind(senf::INet4SocketAddress("0.0.0.0:44344"));
+ senf::UDPv4ClientSocketHandle inputSocket(
+ senf::INet4SocketAddress("0.0.0.0:44344"));
senf::ConnectedUDPv4ClientSocketHandle outputSocket(
senf::INet4SocketAddress("localhost:44345"));
- module::ActiveSocketReader<> udpReader (inputSocket);
- module::PassiveQueue queue;
- CopyPacketGenerator generator (senf::DataPacket::create(std::string("<idle>\n")));
- module::PriorityJoin join;
- RateFilter rateFilter (1000000000ul);
- module::PassiveSocketWriter<> udpWriter (outputSocket);
-
- ppi::connect( udpReader, queue );
- ppi::connect( queue, join );
- ppi::connect( generator, join );
- ppi::connect( join, rateFilter );
- ppi::connect( rateFilter, udpWriter );
+ module::ActiveSocketSource<> udpSource ( inputSocket );
+ RateStuffer stuffer ( 1000000000ul,
+ senf::DataPacket::create(std::string("<idle>\n")),
+ 2u, 1u );
+ module::PassiveSocketSink<> udpSink ( outputSocket );
+
+ ppi::connect( udpSource, stuffer );
+ ppi::connect( stuffer, udpSink );
ppi::run();