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// Copyright (C) 2011-2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#include <log/logger.h>
#include <log/logger_impl.h>
#include <log/logger_name.h>
#include <log/logger_support.h>
#include <log/message_dictionary.h>
#include <log/message_types.h>
#include <util/strutil.h>
using namespace std;
namespace isc {
namespace log {
LoggerImpl*
Logger::getLoggerPtr() {
if (!initialized_) {
lock_guard<mutex> lk(mutex_);
if (!initialized_) {
initLoggerImpl();
}
initialized_ = true;
}
return (loggerptr_);
}
// Initialize underlying logger, but only if logging has been initialized.
void
Logger::initLoggerImpl() {
if (isLoggingInitialized()) {
loggerptr_ = new LoggerImpl(name_);
} else {
isc_throw(LoggingNotInitialized, "attempt to access logging function "
"before logging has been initialized");
}
}
// Destructor.
Logger::~Logger() {
delete loggerptr_;
// The next statement is required for the Kea hooks framework, where a
// statically-linked Kea loads and unloads multiple libraries. See the hooks
// documentation for more details.
loggerptr_ = 0;
}
// Get Version
std::string
Logger::getVersion() {
return (LoggerImpl::getVersion());
}
// Get Name of Logger
std::string
Logger::getName() {
return (getLoggerPtr()->getName());
}
// Set the severity for logging.
void
Logger::setSeverity(isc::log::Severity severity, int dbglevel) {
getLoggerPtr()->setSeverity(severity, dbglevel);
}
// Return the severity of the logger.
isc::log::Severity
Logger::getSeverity() {
return (getLoggerPtr()->getSeverity());
}
// Get Effective Severity Level for Logger
isc::log::Severity
Logger::getEffectiveSeverity() {
return (getLoggerPtr()->getEffectiveSeverity());
}
// Debug level (only relevant if messages of severity DEBUG are being logged).
int
Logger::getDebugLevel() {
return (getLoggerPtr()->getDebugLevel());
}
// Effective debug level (only relevant if messages of severity DEBUG are being
// logged).
int
Logger::getEffectiveDebugLevel() {
return (getLoggerPtr()->getEffectiveDebugLevel());
}
// Check on the current severity settings
bool
Logger::isDebugEnabled(int dbglevel) {
return (getLoggerPtr()->isDebugEnabled(dbglevel));
}
bool
Logger::isInfoEnabled() {
return (getLoggerPtr()->isInfoEnabled());
}
bool
Logger::isWarnEnabled() {
return (getLoggerPtr()->isWarnEnabled());
}
bool
Logger::isErrorEnabled() {
return (getLoggerPtr()->isErrorEnabled());
}
bool
Logger::isFatalEnabled() {
return (getLoggerPtr()->isFatalEnabled());
}
// Format a message: looks up the message text in the dictionary and formats
// it, replacing tokens with arguments.
//
// Owing to the use of variable arguments, this must be inline (hence the
// definition of the macro). Also note that it expects that the message buffer
// "message" is declared in the compilation unit.
// Output methods
void
Logger::output(const Severity& severity, const std::string& message) {
getLoggerPtr()->outputRaw(severity, message);
}
Logger::Formatter
Logger::debug(int dbglevel, const isc::log::MessageID& ident) {
if (isDebugEnabled(dbglevel)) {
return (Formatter(DEBUG, getLoggerPtr()->lookupMessage(ident),
this));
} else {
return (Formatter());
}
}
Logger::Formatter
Logger::info(const isc::log::MessageID& ident) {
if (isInfoEnabled()) {
return (Formatter(INFO, getLoggerPtr()->lookupMessage(ident),
this));
} else {
return (Formatter());
}
}
Logger::Formatter
Logger::warn(const isc::log::MessageID& ident) {
if (isWarnEnabled()) {
return (Formatter(WARN, getLoggerPtr()->lookupMessage(ident),
this));
} else {
return (Formatter());
}
}
Logger::Formatter
Logger::error(const isc::log::MessageID& ident) {
if (isErrorEnabled()) {
return (Formatter(ERROR, getLoggerPtr()->lookupMessage(ident),
this));
} else {
return (Formatter());
}
}
Logger::Formatter
Logger::fatal(const isc::log::MessageID& ident) {
if (isFatalEnabled()) {
return (Formatter(FATAL, getLoggerPtr()->lookupMessage(ident),
this));
} else {
return (Formatter());
}
}
// Replace the interprocess synchronization object
void
Logger::setInterprocessSync(isc::log::interprocess::InterprocessSync* sync) {
getLoggerPtr()->setInterprocessSync(sync);
}
bool
Logger::hasAppender(OutputOption::Destination const destination) {
return getLoggerPtr()->hasAppender(destination);
}
// Comparison (testing only)
bool
Logger::operator==(Logger& other) {
return (*getLoggerPtr() == *other.getLoggerPtr());
}
} // namespace log
} // namespace isc
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