FileTarget.cc

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00001 // $Id: FileTarget.cc 1772 2011-03-10 12:45:21Z tho $
00002 //
00003 // Copyright (C) 2007
00004 // Fraunhofer (FOKUS)
00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY
00006 //     Stefan Bund <g0dil@berlios.de>
00007 //
00008 // This program is free software; you can redistribute it and/or modify
00009 // it under the terms of the GNU General Public License as published by
00010 // the Free Software Foundation; either version 2 of the License, or
00011 // (at your option) any later version.
00012 //
00013 // This program is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU General Public License
00019 // along with this program; if not, write to the
00020 // Free Software Foundation, Inc.,
00021 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00022 
00026 #include "FileTarget.hh"
00027 //#include "FileTarget.ih"
00028 
00029 // Custom includes
00030 #include <senf/Utils/Console/ParsedCommand.hh>
00031 #include <senf/Utils/Console/Variables.hh>
00032 #include <senf/Utils/Console/ScopedDirectory.hh>
00033 #include <boost/filesystem/path.hpp>
00034 
00035 //#include "FileTarget.mpp"
00036 #define prefix_
00037 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00038 
00039 namespace {
00040 
00041     std::string getNodename(std::string const & filename, std::string const & nodename)
00042     {
00043         if (! nodename.empty())
00044             return nodename;
00045         return boost::filesystem::path(filename).leaf();
00046     }
00047 
00048 }
00049 
00050 prefix_ senf::log::FileTarget::FileTarget(std::string const & filename,
00051                                           std::string const & nodename)
00052     : ofstream_t (filename.c_str(), std::ofstream::app),
00053       IOStreamTarget (getNodename(filename, nodename), ofstream_t::member),
00054       file_ (filename)
00055 {
00056     namespace fty = console::factory;
00057 
00058     if (! ofstream_t::member)
00059         SENF_THROW_SYSTEM_EXCEPTION("logfile open") << ": " << filename;
00060     consoleDir()
00061         .add( "reopen",
00062               fty::Command(SENF_MEMBINDFNP(void, FileTarget, reopen, ()))
00063               .doc("Reopen logfile") );
00064     consoleDir()
00065         .add("reopen",
00066              fty::Command(SENF_MEMBINDFNP(void, FileTarget, reopen, (std::string const &)))
00067              .arg("filename","new filename")
00068              .overloadDoc("Reopen logfile under new name") );
00069     consoleDir()
00070         .add("file", fty::Variable(boost::cref(file_))
00071              .doc("Show filename log messages are sent to") );
00072 }
00073 
00074 prefix_ void senf::log::FileTarget::reopen()
00075 {
00076     ofstream_t::member.close();
00077     ofstream_t::member.open(file_.c_str(), std::ofstream::app);
00078 }
00079 
00080 prefix_ void senf::log::FileTarget::reopen(std::string const & file)
00081 {
00082     file_ = file;
00083     reopen();
00084     // Rename console directory
00085     console::DirectoryNode::ptr parent (consoleDir().node().parent());
00086     if (parent)
00087         parent->add(file, consoleDir().node().unlink());
00088 }
00089 
00090 prefix_ std::string const & senf::log::FileTarget::filename()
00091     const
00092 {
00093     return file_;
00094 }
00095 
00096 prefix_ senf::log::FileTarget::RegisterConsole::RegisterConsole()
00097 {
00098     namespace kw = console::kw;
00099     namespace fty = console::factory;
00100 
00101     detail::TargetRegistry::instance().consoleDir()
00102         .add("file-target", fty::Command(&RegisterConsole::create)
00103              .arg("filename", "name of logfile")
00104              .arg("nodename", "name of node in console. Defaults to the files basename",
00105                   kw::default_value = "")
00106              .doc("Create new file target. Examples:\n"
00107                   "\n"
00108                   "Create new file target '/var/log/example.log\n"
00109                   "    $ file-target \"/var/log/example.log\"\n"
00110                   "    <Directory '/sys/log/example.log'>\n"
00111                   "\n"
00112                   "In a configuration file, create new file target '/var/log/example.log' and set\n"
00113                   "some parameters (If written on one line, this works at the console too:\n"
00114                   "    /sys/log/file-target \"/var/log/example.log\" mainlog {\n"
00115                   "        route (IMPORTANT);             # route all important messages\n"
00116                   "        timeFormat \"\";               # use non-formatted time format\n"
00117                   "        showArea false;                # don't show log area\n"
00118                   "    }\n") );
00119 }
00120 
00121 prefix_ boost::shared_ptr<senf::console::DirectoryNode>
00122 senf::log::FileTarget::RegisterConsole::create(std::string const & filename,
00123                                                std::string const & nodename)
00124 {
00125     std::auto_ptr<Target> tp (new FileTarget(filename, nodename));
00126     Target & target (*tp.get());
00127     detail::TargetRegistry::instance().dynamicTarget(tp);
00128     return target.consoleDir().node().thisptr();
00129 }
00130 
00131 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00132 #undef prefix_
00133 //#include "FileTarget.mpp"
00134 
00135 
00136 // Local Variables:
00137 // mode: c++
00138 // fill-column: 100
00139 // comment-column: 40
00140 // c-file-style: "senf"
00141 // indent-tabs-mode: nil
00142 // ispell-local-dictionary: "american"
00143 // compile-command: "scons -u test"
00144 // End:
SENF Extensible Network Framework

FileTarget.cc
