1 files changed, 170 insertions, 0 deletions
diff --git a/extras/vom/vom/logger.cpp b/extras/vom/vom/logger.cpp
new file mode 100644
index 00000000000..80f2d92c603
--- /dev/null
+++ b/extras/vom/vom/logger.cpp
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <chrono>
+#include <ctime>
+#include <vector>
+
+#include <boost/algorithm/string.hpp>
+
+#include "vom/logger.hpp"
+
+namespace VOM {
+const log_level_t log_level_t::CRITICAL(4, "critical");
+const log_level_t log_level_t::ERROR(3, "error");
+const log_level_t log_level_t::WARNING(2, "warning");
+const log_level_t log_level_t::INFO(1, "info");
+const log_level_t log_level_t::DEBUG(0, "debug");
+
+log_level_t::log_level_t(int v, const std::string& s)
+  : enum_base<log_level_t>(v, s)
+{
+}
+
+static log_t slog;
+
+log_t&
+logger()
+{
+  return slog;
+}
+
+log_t::log_t()
+  : m_level(log_level_t::ERROR)
+  , m_handler(new cout_handler())
+{
+}
+
+void
+log_t::set(const log_level_t& level)
+{
+  m_level = level;
+}
+
+void
+log_t::set(handler* h)
+{
+  m_handler = h;
+}
+
+void
+log_t::write(const std::string& file,
+             const int line,
+             const std::string& function,
+             const log_level_t& level,
+             const std::string& message)
+{
+  m_handler->handle_message(file, line, function, level, message);
+}
+
+/**
+ * The configured level
+ */
+const log_level_t&
+log_t::level() const
+{
+  return (m_level);
+}
+
+static std::string
+get_filename(const std::string& file)
+{
+  std::vector<std::string> dirs;
+  boost::split(dirs, file, boost::is_any_of("/"));
+
+  return dirs.back();
+}
+
+log_t::entry::entry(const char* file,
+                    const char* function,
+                    int line,
+                    const log_level_t& level)
+  : m_file(get_filename(file))
+  , m_function(function)
+  , m_level(level)
+  , m_line(line)
+{
+}
+
+log_t::entry::~entry()
+{
+  logger().write(m_file, m_line, m_function, m_level, m_stream.str());
+}
+
+std::stringstream&
+log_t::entry::stream()
+{
+  return (m_stream);
+}
+
+static std::string
+get_timestamp()
+{
+  auto end = std::chrono::system_clock::now();
+  auto end_time = std::chrono::system_clock::to_time_t(end);
+
+  /*
+   * put-time is not support in gcc in 4.8
+   * so we play this dance with ctime
+   */
+  std::string display = std::ctime(&end_time);
+  display.pop_back();
+
+  return (display);
+}
+
+file_handler::file_handler(const std::string& ofile)
+{
+  m_file_stream.open(ofile);
+}
+
+file_handler::~file_handler()
+{
+  m_file_stream.close();
+}
+
+void
+file_handler::handle_message(const std::string& file,
+                             const int line,
+                             const std::string& function,
+                             const log_level_t& level,
+                             const std::string& message)
+{
+  m_file_stream << get_timestamp();
+  m_file_stream << " [" << level.to_string() << "]" << file << ":" << line
+                << " " << function << "() " << message << std::endl;
+}
+
+void
+cout_handler::handle_message(const std::string& file,
+                             const int line,
+                             const std::string& function,
+                             const log_level_t& level,
+                             const std::string& message)
+{
+  std::cout << get_timestamp();
+  std::cout << " [" << level.to_string() << "]" << file << ":" << line << " "
+            << function << "() " << message << std::endl;
+}
+
+}; // namespace VOM
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */