1 files changed, 215 insertions, 0 deletions
diff --git a/src/lib/log/logger.cc b/src/lib/log/logger.cc
new file mode 100644
index 0000000..d0cd196
--- /dev/null
+++ b/src/lib/log/logger.cc
@@ -0,0 +1,215 @@
+// 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);
+}
+
+// Comparison (testing only)
+
+bool
+Logger::operator==(Logger& other) {
+    return (*getLoggerPtr() == *other.getLoggerPtr());
+}
+
+} // namespace log
+} // namespace isc