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 Target non-inline non-template implementation */
31 #include <boost/format.hpp>
32 #include "ConsoleTarget.hh"
33 #include "../Console/Console.hh"
34 #include "../Console/Sysdir.hh"
35 #include "../membind.hh"
37 //#include "Target.mpp"
39 ///////////////////////////////cc.p////////////////////////////////////////
41 ///////////////////////////////////////////////////////////////////////////
47 SENF_CONSOLE_REGISTER_ENUM_MEMBER( Target, action_t, (ACCEPT)(REJECT) );
51 SENF_CONSOLE_REGISTER_ENUM_MEMBER( TargetRegistry, Level,
52 (VERBOSE)(NOTICE)(MESSAGE)(IMPORTANT)(CRITICAL)(FATAL) );
56 prefix_ senf::log::Target::Target(std::string const & name)
58 namespace kw = senf::console::kw;
60 detail::TargetRegistry::instance().registerTarget(this, name);
61 consoleDir_().add("list", senf::membind(&Target::consoleList, this))
62 .doc("Show routing table\n"
66 " STREAM stream to match, empty to match all streams\n"
67 " AREA area to match, empty to match all targets\n"
68 " LEVEL match messages with level above this. Log levels in increasing order\n"
70 " verbose, notice, message, important, critical, fatal\n"
71 " ACTION action to take: accept or reject");
72 consoleDir_().add("route",
73 boost::function<void (std::string const &, std::string const &,
74 detail::TargetRegistry::Level, action_t, int)>(
76 static_cast<void (Target::*)(
77 std::string const &, std::string const &,
78 unsigned, action_t, int)>(&Target::route),
81 "stream to match or empty to match any stream\n"
82 " use '/sys/log/streams' to list all available streams",
85 "area to match or empty to match any area\n"
86 " use '/sys/log/areas' to list all available areas",
88 .arg("level", "log level, one of: VERBOSE, NOTICE, MESSAGE, IMPORTANT, CRITICAL, FATAL",
89 kw::default_value=detail::TargetRegistry::VERBOSE)
90 .arg("action", "routing action, one of: ACCEPT, REJECT",
91 kw::default_value=ACCEPT)
92 .arg("index", "index at which to insert new rule",
94 .doc("Add routing entry. Log messages are matched against the routing table beginning\n"
95 "with the first entry. The action of the first matching entry determines the\n"
96 "handling of the message.\n"
101 " route all messages to this target.\n"
103 " route \"\" my::Class\n"
104 " route all messages which are in the my::Class area.\n"
106 " route senf::log::Debug \"\" VERBOSE REJECT\n"
107 " route \"\" \"\" VERBOSE\n"
108 " route all messages not in the senf::log::Debug stream to the current area.\n"
110 "The additional optional index argument identifies the position in the routing table\n"
111 "where the new routing entry will be added. Positive numbers count from the\n"
112 "beginning, 0 being the first routing entry. Negative values count from the end.\n");
113 consoleDir_().add("unroute",
114 senf::membind(static_cast<void (Target::*)(int)>(&Target::unroute), this))
115 .arg("index", "index of routing entry to remove")
116 .overloadDoc("Remove routing entry with the given index");
117 consoleDir_().add("unroute",
118 boost::function<void (std::string const &, std::string const &,
119 detail::TargetRegistry::Level, action_t)>(
121 static_cast<void (Target::*)(
122 std::string const &, std::string const &,
123 unsigned, action_t)>(&Target::unroute),
125 .arg("stream", "stream to match or empty to match any stream",
126 kw::default_value="")
127 .arg("area", "area to match or empty to match any area",
128 kw::default_value="")
129 .arg("level", "log level, one of: VERBOSE, NOTICE, MESSAGE, IMPORTANT, CRITICAL, FATAL",
130 kw::default_value=detail::TargetRegistry::VERBOSE)
131 .arg("action", "routing action, one of: ACCEPT, REJECT",
132 kw::default_value=ACCEPT)
133 .overloadDoc("Remove the routing entry matching the specified arguments.");
134 consoleDir_().add("flush", senf::membind(&Target::flush, this))
135 .doc("Remove all routing entries clearing the routing table. This will disable all\n"
136 "logging output on this target.");
139 prefix_ senf::log::Target::~Target()
141 while( ! rib_.empty()) {
142 // This is slow but simplifies the area cache handling and removing a target should be
144 RIB::reverse_iterator i (rib_.rbegin());
145 unroute(i->stream_, i->area_, i->level_, i->action_);
147 detail::TargetRegistry::instance().unregisterTarget(this);
150 prefix_ void senf::log::Target::route(std::string const & stream, std::string const & area,
151 unsigned level, action_t action, int index)
153 detail::StreamBase const * s (0);
154 if (! stream.empty()) {
155 s = StreamRegistry::instance().lookup(stream);
157 throw InvalidStreamException();
159 detail::AreaBase const * a (0);
160 if (! area.empty()) {
161 a = AreaRegistry::instance().lookup(area);
163 throw InvalidAreaException();
165 route(s, a, level, action, index);
168 prefix_ void senf::log::Target::unroute(std::string const & stream, std::string const & area,
169 unsigned level, action_t action)
171 detail::StreamBase const * s (0);
172 if (! stream.empty()) {
173 s = StreamRegistry::instance().lookup(stream);
175 throw InvalidStreamException();
177 detail::AreaBase const * a (0);
178 if (! area.empty()) {
179 a = AreaRegistry::instance().lookup(area);
181 throw InvalidAreaException();
183 unroute(s, a, level, action);
186 prefix_ void senf::log::Target::unroute(int index)
192 if (RIB::size_type(-index) >= rib_.size())
196 std::advance(i, index);
199 if (RIB::size_type(index+1) >= rib_.size()) {
204 std::advance(i, index);
209 RoutingEntry entry (*i);
211 if (entry.action_ == ACCEPT)
212 updateRoutingCache(entry.stream_, entry.area_);
215 prefix_ void senf::log::Target::flush()
219 RIB::const_iterator i (old.begin());
220 RIB::const_iterator const i_end (old.end());
221 for (; i != i_end; ++i)
222 if (i->action_ == ACCEPT)
223 updateRoutingCache(i->stream_, i->area_);
226 ////////////////////////////////////////
229 prefix_ senf::log::detail::TargetRegistry::TargetRegistry()
230 : fallbackRouting_(true)
232 namespace kw = senf::console::kw;
234 console::sysdir().add("log", consoleDir_());
235 consoleDir_().add("areas", senf::membind(&TargetRegistry::consoleAreas, this))
236 .doc("List all areas");
237 consoleDir_().add("streams", senf::membind(&TargetRegistry::consoleStreams, this))
238 .doc("List all streams");
239 consoleDir_().add("message", senf::membind(&TargetRegistry::consoleWrite, this))
240 .arg("stream", "stream to write message to",
241 kw::default_value = "senf::log::Debug")
242 .arg("area","area to write message to",
243 kw::default_value = "senf::log::DefaultArea")
244 .arg("level", "log level",
245 kw::default_value = MESSAGE)
246 .arg("message", "message to write")
247 .doc("Write log message");
250 prefix_ void senf::log::detail::TargetRegistry::consoleAreas(std::ostream & os)
252 AreaRegistry::iterator i (AreaRegistry::instance().begin());
253 AreaRegistry::iterator const i_end (AreaRegistry::instance().end());
254 for (; i != i_end; ++i)
258 prefix_ void senf::log::detail::TargetRegistry::consoleStreams(std::ostream & os)
260 StreamRegistry::iterator i (StreamRegistry::instance().begin());
261 StreamRegistry::iterator const i_end (StreamRegistry::instance().end());
262 for (; i != i_end; ++i)
266 prefix_ void senf::log::detail::TargetRegistry::consoleWrite(std::string const & stream,
267 std::string const & area,
269 std::string const & msg)
271 detail::StreamBase const * s (StreamRegistry::instance().lookup(stream));
273 throw Target::InvalidStreamException();
274 detail::AreaBase const * a (AreaRegistry::instance().lookup(area));
276 throw Target::InvalidAreaException();
277 write(*s, *a, level, msg);
280 prefix_ senf::console::ScopedDirectory<> & senf::log::Target::consoleDir()
282 return consoleDir_();
285 ////////////////////////////////////////
288 prefix_ void senf::log::Target::route(detail::StreamBase const * stream,
289 detail::AreaBase const * area, unsigned level,
290 action_t action, int index)
294 if (RIB::size_type(-index-1) >= rib_.size())
298 std::advance(i, index + 1 );
301 if (RIB::size_type(index) >= rib_.size())
305 std::advance(i, index);
308 rib_.insert(i, RoutingEntry(stream, area, level, action));
309 if (action == ACCEPT)
310 updateRoutingCache(stream, area);
311 // This disables the initial fallback routing
312 detail::TargetRegistry::instance().routed();
315 prefix_ void senf::log::Target::unroute(detail::StreamBase const * stream,
316 detail::AreaBase const * area, unsigned level,
319 RIB::iterator i = std::find(rib_.begin(), rib_.end(),
320 RoutingEntry(stream, area, level, action));
322 unroute(std::distance(rib_.begin(), i));
325 prefix_ void senf::log::Target::updateRoutingCache(detail::StreamBase const * stream,
326 detail::AreaBase const * area)
329 StreamRegistry::Registry::iterator i (StreamRegistry::instance().registry_.begin());
330 StreamRegistry::Registry::iterator const i_end (StreamRegistry::instance().registry_.end());
331 for (; i != i_end ; ++i)
332 updateRoutingCache(i->second, area);
336 AreaRegistry::Registry::iterator i (AreaRegistry::instance().registry_.begin());
337 AreaRegistry::Registry::iterator const i_end (AreaRegistry::instance().registry_.end());
338 for (; i != i_end ; ++i)
339 updateRoutingCache(stream, i->second);
342 unsigned limit (DISABLED::value);
343 RIB::iterator i (rib_.begin());
344 RIB::iterator const i_end (rib_.end());
345 for(; i != i_end; ++i)
346 if ( (! i->stream_ || i->stream_ == stream) &&
347 (! i->area_ || i->area_ == area) &&
348 i->action_ == ACCEPT ) {
349 unsigned l (i->level_ == NONE::value ? stream->defaultRuntimeLimit() : i->level_);
353 if (limit == DISABLED::value)
354 area->removeRoutingCache(*this, *stream);
356 area->updateRoutingCache(*this, *stream, limit);
359 prefix_ void senf::log::Target::write(time_type timestamp,
360 detail::StreamBase const & stream,
361 detail::AreaBase const & area, unsigned level,
362 std::string const & message)
364 RIB::iterator i (rib_.begin());
365 RIB::iterator const i_end (rib_.end());
366 for (; i != i_end; ++i)
367 if ( (! i->stream_ || i->stream_ == &stream) &&
368 (! i->area_ || i->area_ == &area) &&
369 (i->level_ == NONE::value ? stream.defaultRuntimeLimit() : i->level_) <= level ) {
370 if (i->action_ == ACCEPT)
371 v_write(timestamp, stream.v_name(), area.v_name(), level, message);
377 std::string formatLabel(std::string const & l)
382 return l.substr(l.size()-29);
387 prefix_ void senf::log::Target::consoleList(std::ostream & os)
389 static char const * levels[] = {
390 "none", "verbose", "notice", "message", "important", "critical", "fatal", "disabled" };
392 boost::format fmt ("%2d %-29s %-29s %-9s %-6s\n");
393 os << fmt % "#" % "STREAM" % "AREA" % "LEVEL" % "ACTION";
395 for (iterator i (begin()); i != end(); ++i, ++n)
398 % formatLabel(i->stream())
399 % formatLabel(i->area())
401 % (i->action() == ACCEPT ? "accept" : "reject");
404 ///////////////////////////////////////////////////////////////////////////
405 // senf::log::detail::TargetRegistry
407 prefix_ void senf::log::detail::TargetRegistry::registerTarget(Target * target,
408 std::string const & name)
410 targets_.insert(target);
411 consoleDir_().add(name, target->consoleDir_());
414 prefix_ void senf::log::detail::TargetRegistry::write(StreamBase const & stream,
415 AreaBase const & area, unsigned level,
416 std::string const & msg)
418 if (fallbackRouting_) {
419 if (level >= stream.defaultRuntimeLimit())
420 static_cast<Target &>(ConsoleTarget::instance()).v_write(
421 TimeSource::now(), stream.v_name(), area.v_name(), level, msg );
424 area.write( TimeSource::now(), stream, level, msg );
426 ///////////////////////////////////////////////////////////////////////////
429 prefix_ std::ostream & senf::log::operator<<(std::ostream & os, senf::log::Target::action_t const & action)
431 if( action == Target::ACCEPT) os << "ACCEPT";
432 else if( action == Target::REJECT) os << "REJECT";
433 else os << "unknown action";
438 ///////////////////////////////cc.e////////////////////////////////////////
440 //#include "Target.mpp"
446 // comment-column: 40
447 // c-file-style: "senf"
448 // indent-tabs-mode: nil
449 // ispell-local-dictionary: "american"
450 // compile-command: "scons -u test"