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+/*
+ *
+ * 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.
+ *
+ */
+
+#include "qpid/messaging/Logger.h"
+
+#include "qpid/log/Logger.h"
+#include "qpid/log/OstreamOutput.h"
+#include "qpid/messaging/exceptions.h"
+
+#include <sstream>
+#include <string>
+#include <vector>
+
+using std::string;
+using std::vector;
+
+namespace qpid {
+namespace messaging {
+
+// Proxy class to call the users output class/routine
+class ProxyOutput : public qpid::log::Logger::Output {
+ LoggerOutput& output;
+
+ void log(const qpid::log::Statement& s, const string& message) {
+ output.log(qpid::messaging::Level(s.level), s.category==qpid::log::external_application, s.file, s.line, s.function, message);
+ }
+
+public:
+ ProxyOutput(LoggerOutput& o) :
+ output(o)
+ {}
+};
+
+LoggerOutput::~LoggerOutput()
+{
+}
+
+inline qpid::log::Logger& logger() {
+ static qpid::log::Logger& theLogger=qpid::log::Logger::instance();
+ return theLogger;
+}
+
+namespace {
+ std::string loggerUsage;
+ qpid::log::Selector loggerSelector;
+}
+
+std::string Logger::usage()
+{
+ return loggerUsage;
+}
+
+void Logger::configure(int argc, const char* argv[], const string& pre)
+try
+{
+ bool logToStdout = false;
+ bool logToStderr = false;
+ string logFile;
+ std::vector<std::string> selectors;
+ std::vector<std::string> deselectors;
+ bool time = false;
+ bool level = false;
+ bool thread = false;
+ bool source = false;
+ bool function = false;
+ bool hiresTs = false;
+
+ selectors.push_back("notice+"); // Set this for the usage message default
+
+ string prefix = pre.empty() ? pre : pre+"-";
+ qpid::Options myOptions;
+ myOptions.addOptions()
+ ((prefix+"log-enable").c_str(), optValue(selectors, "RULE"),
+ ("Enables logging for selected levels and components. "
+ "RULE is in the form 'LEVEL[+-][:PATTERN]'\n"
+ "LEVEL is one of: \n\t "+qpid::log::getLevels()+"\n"
+ "PATTERN is a logging category name, or a namespace-qualified "
+ "function name or name fragment. "
+ "Logging category names are: \n\t "+qpid::log::getCategories()+"\n"
+ "The category \"Application\" contains all messages logged by the application.\n"
+ "For example:\n"
+ "\t'--log-enable warning+'\n"
+ "logs all warning, error and critical messages.\n"
+ "\t'--log-enable trace+:Application --log-enable notice+'\n"
+ "logs all application messages, but only notice or higher for the qpid library messages\n"
+ "\t'--log-enable debug:framing'\n"
+ "logs debug messages from all functions with 'framing' in the namespace or function name.\n"
+ "This option can be used multiple times").c_str())
+ ((prefix+"log-disable").c_str(), optValue(deselectors, "RULE"),
+ ("Disables logging for selected levels and components. "
+ "RULE is in the form 'LEVEL[+-][:PATTERN]'\n"
+ "LEVEL is one of: \n\t "+qpid::log::getLevels()+"\n"
+ "PATTERN is a logging category name, or a namespace-qualified "
+ "function name or name fragment. "
+ "Logging category names are: \n\t "+qpid::log::getCategories()+"\n"
+ "For example:\n"
+ "\t'--log-disable warning-'\n"
+ "disables logging all warning, notice, info, debug, and trace messages.\n"
+ "\t'--log-disable trace:Application'\n"
+ "disables all application trace messages.\n"
+ "\t'--log-disable debug-:qmf::'\n"
+ "disables logging debug and trace messages from all functions with 'qmf::' in the namespace.\n"
+ "This option can be used multiple times").c_str())
+ ((prefix+"log-time").c_str(), optValue(time, "yes|no"), "Include time in log messages")
+ ((prefix+"log-level").c_str(), optValue(level,"yes|no"), "Include severity level in log messages")
+ ((prefix+"log-source").c_str(), optValue(source,"yes|no"), "Include source file:line in log messages")
+ ((prefix+"log-thread").c_str(), optValue(thread,"yes|no"), "Include thread ID in log messages")
+ ((prefix+"log-function").c_str(), optValue(function,"yes|no"), "Include function signature in log messages")
+ ((prefix+"log-hires-timestamp").c_str(), optValue(hiresTs,"yes|no"), "Use hi-resolution timestamps in log messages")
+ ((prefix+"log-to-stderr").c_str(), optValue(logToStderr, "yes|no"), "Send logging output to stderr")
+ ((prefix+"log-to-stdout").c_str(), optValue(logToStdout, "yes|no"), "Send logging output to stdout")
+ ((prefix+"log-to-file").c_str(), optValue(logFile, "FILE"), "Send log output to FILE.")
+ ;
+
+ std::ostringstream loggerSStream;
+ myOptions.print(loggerSStream);
+
+ loggerUsage=loggerSStream.str();
+
+ selectors.clear(); // Clear to give passed in options precedence
+
+ // Parse the command line not failing for unrecognised options
+ myOptions.parse(argc, argv, std::string(), true);
+
+ // If no passed in enable or disable log specification then go back to default
+ if (selectors.empty() && deselectors.empty())
+ selectors.push_back("notice+");
+ // Set the logger options according to what we just parsed
+ qpid::log::Options logOptions;
+ logOptions.selectors = selectors;
+ logOptions.deselectors = deselectors;
+ logOptions.time = time;
+ logOptions.level = level;
+ logOptions.category = false;
+ logOptions.thread = thread;
+ logOptions.source = source;
+ logOptions.function = function;
+ logOptions.hiresTs = hiresTs;
+
+ loggerSelector = qpid::log::Selector(logOptions);
+ logger().clear(); // Need to clear before configuring as it will have been initialised statically already
+ logger().format(logOptions);
+ logger().select(loggerSelector);
+
+ // Have to set up the standard output sinks manually
+ if (logToStderr)
+ logger().output(std::auto_ptr<qpid::log::Logger::Output>
+ (new qpid::log::OstreamOutput(std::clog)));
+ if (logToStdout)
+ logger().output(std::auto_ptr<qpid::log::Logger::Output>
+ (new qpid::log::OstreamOutput(std::cout)));
+
+ if (logFile.length() > 0)
+ logger().output(std::auto_ptr<qpid::log::Logger::Output>
+ (new qpid::log::OstreamOutput(logFile)));
+}
+catch (std::exception& e)
+{
+ throw MessagingException(e.what());
+}
+
+void Logger::setOutput(LoggerOutput& o)
+{
+ logger().output(std::auto_ptr<qpid::log::Logger::Output>(new ProxyOutput(o)));
+}
+
+void Logger::log(Level level, const char* file, int line, const char* function, const string& message)
+{
+ if (loggerSelector.isEnabled(qpid::log::Level(level), function, qpid::log::unspecified)) {
+ qpid::log::Statement s = {
+ true,
+ file,
+ line,
+ function,
+ qpid::log::Level(level),
+ qpid::log::external_application,
+ };
+ logger().log(s, message);
+ }
+}
+
+}} // namespace qpid::messaging