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Diffstat (limited to 'sca-cpp/trunk/contrib/runtime/core/src/tuscany/sca/util/Logger.h')
-rw-r--r-- | sca-cpp/trunk/contrib/runtime/core/src/tuscany/sca/util/Logger.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/sca-cpp/trunk/contrib/runtime/core/src/tuscany/sca/util/Logger.h b/sca-cpp/trunk/contrib/runtime/core/src/tuscany/sca/util/Logger.h new file mode 100644 index 0000000000..eccf3cf02f --- /dev/null +++ b/sca-cpp/trunk/contrib/runtime/core/src/tuscany/sca/util/Logger.h @@ -0,0 +1,136 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +/* $Rev$ $Date$ */ + +#ifndef tuscany_sca_util_logger_h +#define tuscany_sca_util_logger_h + +#include "tuscany/sca/export.h" +#include "tuscany/sca/util/LogWriter.h" + +namespace tuscany +{ + namespace sca + { + namespace util + { + /** + * Provide a logging interface. + */ + class Logger { + + public: + /** + * Set the log writer to use. + * @param writer The writer to use for all subsequent logging. + */ + SCA_API static void setLogWriter(LogWriter* writer); + + /** + * Set or reset the logging level. Any message with a higher logging + * level than this value will be filtered (i.e. not shown). + * @param level The level of logging to use for all subsequent logging. + */ + SCA_API static void setLogging(int level); + + /** + * Log a message. + * @param level The log level of this message. + * @param msg The message to be logged. + */ + SCA_API static void log(int level, const char* msg); + + /** + * Log a message with variable arguments. + * @param level The log level of this message. + * @param msg The message to be logged. Must include template + * characters as described in printf. + * @param ... Variable arguments. + */ + SCA_API static void logArgs(int level, const char* msg, ...); + SCA_API static void logArgs0(const char* msg, ...); + SCA_API static void logArgs1(const char* msg, ...); + SCA_API static void logArgs2(const char* msg, ...); + + /** + * The currently set logging level + */ + SCA_API static int loggingLevel; + + private: + /** + * The current log writer. + */ + static LogWriter* logWriter; + + /** + * Get the current log writer. + * @return The current log writer. + */ + static LogWriter* getLogWriter(); + + /** + * Retrieves the logging level set as an environment variable. + */ + static int setLogging(); + + /** + * Print the current thread id into the given char buffer. + */ + static void formatThreadID(char* tid); + + /** + * Message buffer + */ + static char messageBuffer[4096]; + + }; + + class LogEntry + { + public: + + LogEntry(const char* func) + : funcName(func) + { + if (Logger::loggingLevel >= 2) + { + Logger::logArgs(2, ">> %s", funcName); + } + } + + ~LogEntry() + { + if (Logger::loggingLevel >= 2) + { + Logger::logArgs(2, "<< %s", funcName); + } + } + + private: + const char *funcName; + + }; + + } // End namespace util + } // End namespace sca +} // End namespace tuscany + +#endif // tuscany_sca_util_logger_h |