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(std::string const & stream, std::string const & area,
  71                                         unsigned level, action_t action)
  72 {
  73     detail::StreamBase const * s (StreamRegistry::instance().lookup(stream));
  74     if (!s)
  75         throw InvalidStreamException();
  76     detail::AreaBase const * a (0);
  77     if (! area.empty()) {
  78         a = AreaRegistry::instance().lookup(area);
  79         if (!a)
  80             throw InvalidAreaException();
  81     }
  82     unroute(s, a, level, action);
  83 }
  84
  85 prefix_ void senf::log::Target::unroute(int index)
  86 {
  87     RIB::iterator i;
  88     if (index < 0) {
  89         if (RIB::size_type(-index) >= rib_.size())
  90             i = rib_.begin();
  91         else {
  92             i = rib_.end();
  93             std::advance(i, -index);
  94         }
  95     } else {
  96         if (RIB::size_type(index+1) >= rib_.size()) {
  97             i = rib_.end();
  98             --i;
  99         } else {
 100             i = rib_.begin();
 101             std::advance(i, index);
 102         }
 103     }
 104     RoutingEntry entry (*i);
 105     rib_.erase(i);
 106     if (entry.action_ == ACCEPT)
 107         updateRoutingCache(entry.stream_, entry.area_);
 108 }
 109
 110 ////////////////////////////////////////
 111 // private members
 112
 113 prefix_ void senf::log::Target::route(detail::StreamBase const * stream,
 114                                       detail::AreaBase const * area, unsigned level,
 115                                       action_t action, int index)
 116 {
 117     RIB::iterator i;
 118     if (index < 0) {
 119         if (RIB::size_type(-index-1) >= rib_.size())
 120             i = rib_.begin();
 121         else {
 122             i = rib_.end();
 123             std::advance(i, index + 1 );
 124         }
 125     } else {
 126         if (RIB::size_type(index) >= rib_.size())
 127             i = rib_.end();
 128         else {
 129             i = rib_.begin();
 130             std::advance(i, index);
 131         }
 132     }
 133     rib_.insert(i, RoutingEntry(stream, area, level, action));
 134     if (action == ACCEPT)
 135         updateRoutingCache(stream, area);
 136 }
 137
 138 prefix_ void senf::log::Target::unroute(detail::StreamBase const * stream,
 139                                         detail::AreaBase const * area, unsigned level,
 140                                         action_t action)
 141 {
 142     RIB::iterator i = std::find(rib_.begin(), rib_.end(),
 143                                 RoutingEntry(stream, area, level, action));
 144     if (i != rib_.end())
 145         unroute(std::distance(rib_.begin(), i));
 146 }
 147
 148 prefix_ void senf::log::Target::updateRoutingCache(detail::StreamBase const * stream,
 149                                                    detail::AreaBase const * area)
 150 {
 151     if (! stream) {
 152         StreamRegistry::Registry::iterator i (StreamRegistry::instance().registry_.begin());
 153         StreamRegistry::Registry::iterator const i_end (StreamRegistry::instance().registry_.end());
 154         for (; i != i_end ; ++i)
 155             updateRoutingCache(i->second, area);
 156         return;
 157     }
 158     if (! area) {
 159         AreaRegistry::Registry::iterator i (AreaRegistry::instance().registry_.begin());
 160         AreaRegistry::Registry::iterator const i_end (AreaRegistry::instance().registry_.end());
 161         for (; i != i_end ; ++i)
 162             updateRoutingCache(stream, i->second);
 163         return;
 164     }
 165     unsigned limit (DISABLED::value);
 166     RIB::iterator i (rib_.begin());
 167     RIB::iterator const i_end (rib_.end());
 168     for(; i != i_end; ++i)
 169         if ( (! i->stream_ || i->stream_ == stream) &&
 170              (! i->area_ || i->area_ == area) &&
 171              i->action_ == ACCEPT ) {
 172             unsigned l (i->level_ == NONE::value ? i->stream_->defaultRuntimeLimit() : i->level_);
 173             if (l < limit)
 174                 limit = l;
 175         }
 176     if (limit == DISABLED::value)
 177         area->removeRoutingCache(*this, *stream);
 178     else
 179         area->updateRoutingCache(*this, *stream, limit);
 180 }
 181
 182 prefix_ void senf::log::Target::write(boost::posix_time::ptime timestamp,
 183                                       detail::StreamBase const & stream,
 184                                       detail::AreaBase const & area, unsigned level,
 185                                       std::string const & message)
 186 {
 187     RIB::iterator i (rib_.begin());
 188     RIB::iterator const i_end (rib_.end());
 189     for (; i != i_end; ++i)
 190         if ( (! i->stream_ || i->stream_ == &stream) &&
 191              (! i->area_ || i->area_ == &area) &&
 192              (i->level_ == NONE::value ? i->stream_->defaultRuntimeLimit() : i->level_) <= level ) {
 193             if (i->action_ == ACCEPT)
 194                 v_write(timestamp, stream.v_name(), area.v_name(), level, message);
 195             return;
 196         }
 197 }
 198
 199 ///////////////////////////////////////////////////////////////////////////
 200 // senf::log::TargetRegistry
 201
 202 prefix_ void senf::log::TargetRegistry::write(detail::StreamBase const & stream,
 203                                               detail::AreaBase const & area, unsigned level,
 204                                               std::string msg)
 205 {
 206     boost::posix_time::ptime timestamp (boost::posix_time::microsec_clock::universal_time());
 207     area.write(timestamp, stream, level, msg);
 208 }
 209
 210 ///////////////////////////////cc.e////////////////////////////////////////
 211 #undef prefix_
 212 //#include "Target.mpp"
 213
 214 \f
 215 // Local Variables:
 216 // mode: c++
 217 // fill-column: 100
 218 // comment-column: 40
 219 // c-file-style: "senf"
 220 // indent-tabs-mode: nil
 221 // ispell-local-dictionary: "american"
 222 // compile-command: "scons -u test"
 223 // End: