Utils/Logger/SyslogUDPTarget.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2008
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   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 SyslogUDPTarget non-inline non-template implementation */
  25
  26 #include "SyslogUDPTarget.hh"
  27 //#include "SyslogUDPTarget.ih"
  28
  29 // Custom includes
  30 #include <sstream>
  31 #include <boost/algorithm/string/trim.hpp>
  32 #include <boost/tokenizer.hpp>
  33 #include "../Console/Console.hh"
  34
  35 //#include "SyslogUDPTarget.mpp"
  36 #define prefix_
  37 ///////////////////////////////cc.p////////////////////////////////////////
  38
  39 prefix_ void senf::log::SyslogUDPTarget::v_write(time_type timestamp, std::string const & stream,
  40                                                  std::string const & area, unsigned level,
  41                                                  std::string const & message)
  42 {
  43     std::string m (message);
  44     boost::trim_right(m);
  45     detail::quoteNonPrintable(m);
  46
  47     std::stringstream prfstream;
  48     // The space after the '>' is there on purpose: It ensures, that the prefix (which may be empty)
  49     // or message will not inadvertently be interpreted as date or hostname by a receiving syslog
  50     // daemon or proxy
  51     prfstream << '<' << (facility_ | senf::log::SyslogTarget::LEVELMAP[level]) << "> "
  52               << prefix(timestamp, stream, area, level);
  53     std::string const & prf (prfstream.str());
  54
  55     typedef boost::char_separator<char> Separator;
  56     typedef boost::tokenizer<Separator> Tokenizer;
  57     Separator separator ("\n");
  58     Tokenizer tokenizer (m, separator);
  59     Tokenizer::iterator i (tokenizer.begin());
  60     Tokenizer::iterator const i_end (tokenizer.end());
  61
  62     std::string line;
  63     unsigned sz (896-prf.size());
  64     for (; i != i_end; ++i)
  65         for (unsigned j (0); j < i->size(); j += sz) {
  66             line = prf;
  67             line += std::string(*i, j, sz);
  68             handle_.write(line);
  69         }
  70 }
  71
  72 namespace senf {
  73 namespace log {
  74
  75     SENF_CONSOLE_REGISTER_ENUM_MEMBER(SyslogUDPTarget, LogFacility,
  76                                       (AUTHPRIV)(CRON)(DAEMON)(FTP)(KERN)(LPR)(MAIL)(NEWS)(SYSLOG)
  77                                       (USER)(UUCP)(LOCAL0)(LOCAL1)(LOCAL2)(LOCAL3)(LOCAL4)(LOCAL5)
  78                                       (LOCAL6)(LOCAL7));
  79
  80 }}
  81
  82 prefix_ senf::log::SyslogUDPTarget::RegisterConsole::RegisterConsole()
  83 {
  84     namespace kw = senf::console::kw;
  85
  86     detail::TargetRegistry::instance().consoleDir().add(
  87         "udp-target", static_cast<void (*)(INet4SocketAddress const &, LogFacility)>(
  88             &RegisterConsole::create))
  89         .arg("address", "target address to send log messages to")
  90         .arg("facility", "syslog facility to send messages to. One of\n"
  91              "                  AUTHPRIV, CRON, DAEMON, FTP, KERN, LPR, MAIL, NEWS, SYSLOG, USER,\n"
  92              "                  UUCP, LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7",
  93              kw::default_value = USER)
  94         .doc("Create new udp target. The {address} can be an IPv4 or IPv6 address. If the port\n"
  95              "number is omitted, it defaults to the default syslog port 514.");
  96     detail::TargetRegistry::instance().consoleDir().add(
  97         "udp-target", static_cast<void (*)(INet4Address const &, LogFacility)>(
  98             &RegisterConsole::create))
  99         .arg("address")
 100         .arg("facility", kw::default_value = USER);
 101     detail::TargetRegistry::instance().consoleDir().add(
 102         "udp-target", static_cast<void (*)(INet6SocketAddress const &, LogFacility)>(
 103             &RegisterConsole::create))
 104         .arg("address")
 105         .arg("facility", kw::default_value = USER);
 106     detail::TargetRegistry::instance().consoleDir().add(
 107         "udp-target", static_cast<void (*)(INet6Address const &, LogFacility)>(
 108             &RegisterConsole::create))
 109         .arg("address")
 110         .arg("facility", kw::default_value = USER);
 111 }
 112
 113 prefix_ void
 114 senf::log::SyslogUDPTarget::RegisterConsole::create(senf::INet4SocketAddress const & target,
 115                                                     LogFacility facility)
 116 {
 117     detail::TargetRegistry::instance().dynamicTarget(
 118         std::auto_ptr<Target>(new SyslogUDPTarget(target, facility)));
 119 }
 120
 121 prefix_ void
 122 senf::log::SyslogUDPTarget::RegisterConsole::create(senf::INet4Address const & target,
 123                                                     LogFacility facility)
 124 {
 125     detail::TargetRegistry::instance().dynamicTarget(
 126         std::auto_ptr<Target>(new SyslogUDPTarget(target, facility)));
 127 }
 128
 129 prefix_ void
 130 senf::log::SyslogUDPTarget::RegisterConsole::create(senf::INet6SocketAddress const & target,
 131                                                     LogFacility facility)
 132 {
 133     detail::TargetRegistry::instance().dynamicTarget(
 134         std::auto_ptr<Target>(new SyslogUDPTarget(target, facility)));
 135 }
 136
 137 prefix_ void
 138 senf::log::SyslogUDPTarget::RegisterConsole::create(senf::INet6Address const & target,
 139                                                     LogFacility facility)
 140 {
 141     detail::TargetRegistry::instance().dynamicTarget(
 142         std::auto_ptr<Target>(new SyslogUDPTarget(target, facility)));
 143 }
 144
 145 ///////////////////////////////cc.e////////////////////////////////////////
 146 #undef prefix_
 147 //#include "SyslogUDPTarget.mpp"
 148
 149 \f
 150 // Local Variables:
 151 // mode: c++
 152 // fill-column: 100
 153 // comment-column: 40
 154 // c-file-style: "senf"
 155 // indent-tabs-mode: nil
 156 // ispell-local-dictionary: "american"
 157 // compile-command: "scons -u test"
 158 // End: