moved statistics classes from NetEmu to SENF

[senf.git] / Utils / Logger / FileTarget.cc

diff --git a/Utils/Logger/FileTarget.cc b/Utils/Logger/FileTarget.cc
index 7cc2ad0..4cc69ad 100644 (file)
--- a/Utils/Logger/FileTarget.cc
+++ b/Utils/Logger/FileTarget.cc
@@ -28,15 +28,32 @@
 
 // Custom includes
 #include "../Console/Console.hh"
+#include "../Exception.hh"
+#include <boost/filesystem/path.hpp>
 
 //#include "FileTarget.mpp"
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-prefix_ senf::log::FileTarget::FileTarget(std::string const & file)
-    : ofstream_t(file.c_str(), std::ofstream::app), IOStreamTarget(file, ofstream_t::member), 
-      file_(file)
+namespace {
+    
+    std::string getNodename(std::string const & filename, std::string const & nodename)
+    {
+        if (! nodename.empty())
+            return nodename;
+        return boost::filesystem::path(filename).leaf();
+    }
+
+}
+
+prefix_ senf::log::FileTarget::FileTarget(std::string const & filename,
+                                          std::string const & nodename)
+    : ofstream_t (filename.c_str(), std::ofstream::app), 
+      IOStreamTarget (getNodename(filename, nodename), ofstream_t::member), 
+      file_ (filename)
 {
+    if (! ofstream_t::member)
+        SENF_THROW_SYSTEM_EXCEPTION("logfile open") << ": " << filename;
     consoleDir().add( "reopen", senf::membind(
                           static_cast<void (FileTarget::*)()>(&FileTarget::reopen),
                           this))
@@ -46,6 +63,8 @@ prefix_ senf::log::FileTarget::FileTarget(std::string const & file)
                          this))
         .arg("filename","new filename")
         .overloadDoc("Reopen logfile under new name");
+    consoleDir().add("file", boost::cref(file_))
+        .doc("Show filename log messages are sent to");
 }
 
 prefix_ void senf::log::FileTarget::reopen()
@@ -66,15 +85,35 @@ prefix_ void senf::log::FileTarget::reopen(std::string const & file)
 
 prefix_ senf::log::FileTarget::RegisterConsole::RegisterConsole()
 {
+    namespace kw = senf::console::kw;
+
     detail::TargetRegistry::instance().consoleDir().add("file-target",&RegisterConsole::create)
         .arg("filename", "name of logfile")
-        .doc("Create new file target.");
+        .arg("nodename", "name of node in console. Defaults to the files basename",
+             kw::default_value = "")
+        .doc("Create new file target. Examples:\n"
+             "\n"
+             "Create new file target '/var/log/example.log\n"
+             "    $ file-target \"/var/log/example.log\"\n"
+             "    <Directory '/sys/log/example.log'>\n"
+             "\n"
+             "In a configuration file, create new file target '/var/log/example.log' and set\n"
+             "some parameters (If written on one line, this works at the console too:\n"
+             "    /sys/log/file-target \"/var/log/example.log\" mainlog {\n"
+             "        route (IMPORTANT);             # route all important messages\n"
+             "        timeFormat \"\";               # use non-formatted time format\n"
+             "        showArea false;                # don't show log area\n"
+             "    }\n");
 }
 
-prefix_ void senf::log::FileTarget::RegisterConsole::create(std::string const & filename)
+prefix_ boost::shared_ptr<senf::console::DirectoryNode>
+senf::log::FileTarget::RegisterConsole::create(std::string const & filename, 
+                                               std::string const & nodename)
 {
-    detail::TargetRegistry::instance().dynamicTarget(
-        std::auto_ptr<Target>(new FileTarget(filename)));
+    std::auto_ptr<Target> tp (new FileTarget(filename, nodename));
+    Target & target (*tp.get());
+    detail::TargetRegistry::instance().dynamicTarget(tp);
+    return target.consoleDir().node().thisptr();
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////