Utils/Logger/Target.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   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.
  12 //
  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.
  17 //
  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.
  22
  23 /** \file
  24     \brief Target non-inline non-template implementation */
  25
  26 #include "Target.hh"
  27 //#include "Target.ih"
  28
  29 // Custom includes
  30
  31 //#include "Target.mpp"
  32 #define prefix_
  33 ///////////////////////////////cc.p////////////////////////////////////////
  34
  35 ///////////////////////////////////////////////////////////////////////////
  36 // senf::log::Target
  37
  38 prefix_ senf::log::Target::Target()
  39 {
  40     TargetRegistry::instance().registerTarget(this);
  41 }
  42
  43 prefix_ senf::log::Target::~Target()
  44 {
  45     while( ! rib_.empty()) {
  46         // This is terribly slow but simplifies the area cache handling and removing a target should
  47         // be quite seldom
  48         RIB::reverse_iterator i (rib_.rbegin());
  49         unroute(i->stream_, i->area_, i->level_, i->action_);
  50     }
  51     TargetRegistry::instance().unregisterTarget(this);
  52 }
  53
  54 prefix_ void senf::log::Target::route(std::string const & stream, std::string const & area,
  55                                       unsigned level, action_t action, int index)
  56 {
  57     detail::StreamBase const * s (StreamRegistry::instance().lookup(stream));
  58     if (!s)
  59         throw InvalidStreamException();
  60     detail::AreaBase const * a (0);
  61     if (! area.empty()) {
  62         a = AreaRegistry::instance().lookup(area);
  63         if (!a)
  64             throw InvalidAreaException();
  65     }
  66     route(s, a, level, action, index);
  67 }
  68
  69 prefix_ void senf::log::Target::unroute(int index)
  70 {
  71     RIB::iterator i;
  72     if (index < 0) {
  73         if (RIB::size_type(-index) >= rib_.size())
  74             i = rib_.begin();
  75         else {
  76             i = rib_.end();
  77             std::advance(i, -index);
  78         }
  79     } else {
  80         if (RIB::size_type(index+1) >= rib_.size()) {
  81             i = rib_.end();
  82             --i;
  83         } else {
  84             i = rib_.begin();
  85             std::advance(i, index);
  86         }
  87     }
  88     RoutingEntry entry (*i);
  89     rib_.erase(i);
  90     if (entry.action_ == ACCEPT)
  91         updateRoutingCache(entry.stream_, entry.area_);
  92 }
  93
  94 ////////////////////////////////////////
  95 // private members
  96
  97 prefix_ void senf::log::Target::route(detail::StreamBase const * stream,
  98                                       detail::AreaBase const * area, unsigned level,
  99                                       action_t action, int index)
 100 {
 101     RIB::iterator i;
 102     if (index < 0) {
 103         if (RIB::size_type(-index-1) >= rib_.size())
 104             i = rib_.begin();
 105         else {
 106             i = rib_.end();
 107             std::advance(i, -index - 1);
 108         }
 109     } else {
 110         if (RIB::size_type(index) >= rib_.size())
 111             i = rib_.end();
 112         else {
 113             i = rib_.begin();
 114             std::advance(i, index);
 115         }
 116     }
 117     rib_.insert(i, RoutingEntry(stream, area, level, action));
 118     if (action == ACCEPT)
 119         updateRoutingCache(stream, area);
 120 }
 121
 122 prefix_ void senf::log::Target::unroute(detail::StreamBase const * stream,
 123                                         detail::AreaBase const * area, unsigned level,
 124                                         action_t action)
 125 {
 126     RIB::iterator i = std::find(rib_.begin(), rib_.end(),
 127                                 RoutingEntry(stream, area, level, action));
 128     if (i != rib_.end())
 129         unroute(std::distance(rib_.begin(), i));
 130 }
 131
 132 prefix_ void senf::log::Target::updateRoutingCache(detail::StreamBase const * stream,
 133                                                    detail::AreaBase const * area)
 134 {
 135     if (! stream) {
 136         StreamRegistry::Registry::iterator i (StreamRegistry::instance().registry_.begin());
 137         StreamRegistry::Registry::iterator const i_end (StreamRegistry::instance().registry_.end());
 138         for (; i != i_end ; ++i)
 139             updateRoutingCache(i->second, area);
 140         return;
 141     }
 142     if (! area) {
 143         AreaRegistry::Registry::iterator i (AreaRegistry::instance().registry_.begin());
 144         AreaRegistry::Registry::iterator const i_end (AreaRegistry::instance().registry_.end());
 145         for (; i != i_end ; ++i)
 146             updateRoutingCache(stream, i->second);
 147         return;
 148     }
 149     unsigned limit (DISABLED::value);
 150     RIB::iterator i (rib_.begin());
 151     RIB::iterator const i_end (rib_.end());
 152     for(; i != i_end; ++i)
 153         if ( (! i->stream_ || i->stream_ == stream) &&
 154              (! i->area_ || i->area_ == area) &&
 155              i->action_ == ACCEPT ) {
 156             unsigned l (i->level_ == NONE::value ? i->stream_->defaultRuntimeLimit() : i->level_);
 157             if (l < limit)
 158                 limit = l;
 159         }
 160     if (limit == DISABLED::value)
 161         area->removeRoutingCache(*this, *stream);
 162     else
 163         area->updateRoutingCache(*this, *stream, limit);
 164 }
 165
 166 prefix_ void senf::log::Target::write(boost::posix_time::ptime timestamp,
 167                                       detail::StreamBase const & stream,
 168                                       detail::AreaBase const & area, unsigned level,
 169                                       std::string const & message)
 170 {
 171     RIB::iterator i (rib_.begin());
 172     RIB::iterator const i_end (rib_.end());
 173     for (; i != i_end; ++i)
 174         if ( (! i->stream_ || i->stream_ == &stream) &&
 175              (! i->area_ || i->area_ == &area) &&
 176              (i->level_ == NONE::value ? i->stream_->defaultRuntimeLimit() : i->level_) <= level ) {
 177             if (i->action_ == ACCEPT)
 178                 v_write(timestamp, stream.v_name(), area.v_name(), level, message);
 179             return;
 180         }
 181 }
 182
 183 ///////////////////////////////////////////////////////////////////////////
 184 // senf::log::TargetRegistry
 185
 186 prefix_ void senf::log::TargetRegistry::write(detail::StreamBase const & stream,
 187                                               detail::AreaBase const & area, unsigned level,
 188                                               std::string msg)
 189 {
 190     boost::posix_time::ptime timestamp (boost::posix_time::microsec_clock::universal_time());
 191     area.write(timestamp, stream, level, msg);
 192 }
 193
 194 ///////////////////////////////cc.e////////////////////////////////////////
 195 #undef prefix_
 196 //#include "Target.mpp"
 197
 198 \f
 199 // Local Variables:
 200 // mode: c++
 201 // fill-column: 100
 202 // comment-column: 40
 203 // c-file-style: "senf"
 204 // indent-tabs-mode: nil
 205 // ispell-local-dictionary: "american"
 206 // compile-command: "scons -u test"
 207 // End: