4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief Connectors non-inline non-template implementation */
26 #include "Connectors.hh"
27 #include "Connectors.ih"
32 #include "ModuleManager.hh"
33 #include <senf/Utils/Console/Console.hh>
35 //#include "Connectors.mpp"
37 ///////////////////////////////cc.p////////////////////////////////////////
39 ///////////////////////////////////////////////////////////////////////////
40 // senf::ppi::connector::Connector
42 prefix_ void senf::ppi::connector::Connector::connect(Connector & target)
44 // The connector is not registered -> route() or noroute() statement missing
46 "senf::ppi::connector::Connector::connect(): (source) "
47 "Missing route() or noroute()" );
48 // The connector is already connected
50 "senf::ppi::connector::Connector::connect(): (source) "
51 "duplicate connection" );
52 // The target connector is not registered -> route() or noroute() statement missing
53 SENF_ASSERT( target.module_,
54 "senf::ppi::connector::Connector::connect(): (target) "
55 "Missing route() or noroute()" );
56 // The target connector is already connected
57 SENF_ASSERT( ! target.peer_,
58 "senf::ppi::connector::Connector::connect(): (target) "
59 "duplicate connection" );
60 if (! (packetTypeID() == typeid(void) ||
61 target.packetTypeID() == typeid(void) ||
62 packetTypeID() == target.packetTypeID()) )
63 throw IncompatibleConnectorsException()
64 << ": " << prettyName(packetTypeID())
65 << " [in module " << prettyName(typeid(*module_)) << "] "
66 << ", " << prettyName(target.packetTypeID())
67 << " [in module " << prettyName(typeid(*target.module_)) << "]";
72 if (! initializationScheduled())
73 enqueueInitializable();
74 if (! peer().initializationScheduled())
75 peer().enqueueInitializable();
78 senf::ppi::connector::Connector::TraceState senf::ppi::connector::Connector::traceState_ (
79 senf::ppi::connector::Connector::NO_TRACING);
81 prefix_ void senf::ppi::connector::Connector::trace(Packet const & p, char const * label)
83 if (traceState_ == NO_TRACING)
86 std::string type (prettyName(p.typeId().id()));
87 log << "PPI packet trace: " << label << " 0x" << std::hex << p.id() << " "
88 << type.substr(21, type.size()-22) << " on " << & module() << " "
89 << prettyName(typeid(module())) << " connector 0x" << this << "\n";
90 if (traceState_ == TRACE_CONTENTS)
95 prefix_ void senf::ppi::connector::Connector::throttleTrace(char const * label,
98 if (traceState_ == NO_TRACING)
101 log << "PPI throttling trace: " << label << " " << type << " on " << & module()
102 << " " << prettyName(typeid(module())) << " connector 0x" << this << "\n";
106 namespace senf { namespace ppi { namespace connector {
108 SENF_CONSOLE_REGISTER_ENUM_MEMBER(
109 Connector, TraceState, (NO_TRACING)(TRACE_IDS)(TRACE_CONTENTS) );
115 struct ConsoleRegister
120 ConsoleRegister::ConsoleRegister()
122 #ifndef SENF_PPI_NOTRACE
123 senf::ppi::ModuleManager::instance().consoleDir()
124 .add("tracing", senf::console::factory::Command(
125 SENF_FNP(senf::ppi::connector::Connector::TraceState,
126 senf::ppi::connector::Connector::tracing, ()))
127 .doc("Log every packet sent or received by any module.\n"
128 "There are three different tracing levels:\n"
130 " NO_TRACING don't output any tracing information\n"
131 " TRACE_IDS trace packet id's but do not show packet contents\n"
132 " TRACE_CONTENTS trace complete packet contents\n"
134 "A log message is generated whenever the packet traverses a connector. The\n"
135 "TRACE_IDS log message has the following format:\n"
137 " PPI packet trace: <direction> <packet-id> <packet-type>\n"
138 " on <module-id> <module-type> connector <connector-id>\n"
139 " PPI throttling trace: <direction> <throttle-msg>\n"
140 " on <module-id> <module-type> connector <connector-id>\n"
144 " direction 'IN' for packets/throttle notifications entering the module,\n"
145 " 'OUT' for packets/throttle notifications leaving it\n"
146 " packet-id Numeric unique packet id. This value is unique for packets\n"
147 " alive at the same time, packets at different times may (and\n"
148 " will) share id's\n"
149 " packet-type The type of the packet header\n"
150 " module-id Unique module id\n"
151 " module-type Type of the module the packet is sent to/from\n"
152 " connector-id Unique connector id\n"
153 " throttle-msg Type of throttling event\n")
156 senf::ppi::ModuleManager::instance().consoleDir()
157 .add("tracing", senf::console::factory::Command(
158 SENF_FNP(void, senf::ppi::connector::Connector::tracing,
159 (senf::ppi::connector::Connector::TraceState)))
160 .arg("state", "new tracing state")
165 ConsoleRegister consoleRegister;
169 prefix_ void senf::ppi::connector::Connector::disconnect()
171 // Cannot disconnected a non-connected connector
173 "senf::ppi::connector::Connector::disconnect(): Not connected" );
175 Connector & peer (*peer_);
179 if (! initializationScheduled())
180 enqueueInitializable();
181 if (! peer.initializationScheduled())
182 peer.enqueueInitializable();
185 peer.v_disconnected();
188 prefix_ std::type_info const & senf::ppi::connector::Connector::packetTypeID()
193 prefix_ void senf::ppi::connector::Connector::v_disconnected()
197 ///////////////////////////////////////////////////////////////////////////
198 // senf::ppi::connector::PassiveConnector
200 ////////////////////////////////////////
203 prefix_ void senf::ppi::connector::PassiveConnector::v_init()
205 Routes::const_iterator i (routes_.begin());
206 Routes::const_iterator const i_end (routes_.end());
207 for (; i != i_end; ++i)
208 if ((*i)->throttled())
211 remoteThrottled_ = false;
218 prefix_ void senf::ppi::connector::PassiveConnector::v_unthrottleEvent()
221 prefix_ void senf::ppi::connector::PassiveConnector::notifyUnthrottle()
223 if (std::find_if(routes_.begin(), routes_.end(),
224 boost::bind(&ForwardingRoute::throttled, _1)) == routes_.end()) {
225 remoteThrottled_ = false;
226 if (!nativeThrottled_)
229 SENF_PPI_THROTTLE_TRACE("OUT", "not forwarding unthrottle event");
232 ///////////////////////////////////////////////////////////////////////////
233 // senf::ppi::connector::ActiveConnector
235 ////////////////////////////////////////
238 prefix_ void senf::ppi::connector::ActiveConnector::v_init()
244 prefix_ void senf::ppi::connector::ActiveConnector::notifyThrottle()
246 SENF_PPI_THROTTLE_TRACE("IN ", "throttle");
249 if (throttleCallback_)
251 NotifyRoutes::const_iterator i (notifyRoutes_.begin());
252 NotifyRoutes::const_iterator const i_end (notifyRoutes_.end());
253 for (; i != i_end; ++i)
254 (*i)->notifyThrottle();
258 prefix_ void senf::ppi::connector::ActiveConnector::notifyUnthrottle()
260 SENF_PPI_THROTTLE_TRACE("IN ", "unthrottle");
263 if (unthrottleCallback_)
264 unthrottleCallback_();
265 NotifyRoutes::const_iterator i (notifyRoutes_.begin());
266 NotifyRoutes::const_iterator const i_end (notifyRoutes_.end());
267 for (; i != i_end; ++i)
268 (*i)->notifyUnthrottle();
272 prefix_ void senf::ppi::connector::ActiveConnector::registerRoute(ForwardingRoute & route)
274 notifyRoutes_.push_back(&route);
277 prefix_ void senf::ppi::connector::ActiveConnector::unregisterRoute(ForwardingRoute & route)
279 NotifyRoutes::iterator i (std::find(notifyRoutes_.begin(), notifyRoutes_.end(), &route));
280 if (i != notifyRoutes_.end())
281 notifyRoutes_.erase(i);
284 ///////////////////////////////////////////////////////////////////////////
285 // senf::ppi::connector::InputConnector
287 prefix_ senf::Packet senf::ppi::connector::InputConnector::operator()()
292 Packet p ( queue_.back());
295 SENF_PPI_TRACE(p, "IN ");
298 SENF_PPI_TRACE(Packet(), "IN ");
303 ////////////////////////////////////////
306 prefix_ void senf::ppi::connector::InputConnector::v_requestEvent()
309 prefix_ void senf::ppi::connector::InputConnector::v_enqueueEvent()
312 prefix_ void senf::ppi::connector::InputConnector::v_dequeueEvent()
315 ///////////////////////////////////////////////////////////////////////////
316 // senf::ppi::connector::GenericActiveInput
318 ////////////////////////////////////////
321 prefix_ void senf::ppi::connector::GenericActiveInput::v_requestEvent()
326 ///////////////////////////////////////////////////////////////////////////
327 // senf::ppi::connector::GenericPassiveInput
329 ////////////////////////////////////////
332 prefix_ void senf::ppi::connector::GenericPassiveInput::v_enqueueEvent()
335 qdisc_->update(*this, QueueingDiscipline::ENQUEUE);
338 prefix_ void senf::ppi::connector::GenericPassiveInput::v_dequeueEvent()
340 qdisc_->update(*this, QueueingDiscipline::DEQUEUE);
343 prefix_ void senf::ppi::connector::GenericPassiveInput::v_unthrottleEvent()
345 size_type n (queueSize());
348 size_type nn (queueSize());
355 ///////////////////////////////cc.e////////////////////////////////////////
357 //#include "Connectors.mpp"
363 // comment-column: 40
364 // c-file-style: "senf"
365 // indent-tabs-mode: nil
366 // ispell-local-dictionary: "american"
367 // compile-command: "scons -u test"