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