upload android base code part6

android/system/keymaster/logger.cpp

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2014 The Android Open Source Project
+ *
+ * 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 <keymaster/logger.h>
+
+namespace keymaster {
+
+Logger* Logger::instance_ = 0;
+
+/* static */
+int Logger::Log(LogLevel level, const char* fmt, va_list args) {
+    if (!instance_)
+        return 0;
+    return instance_->log_msg(level, fmt, args);
+}
+
+/* static */
+int Logger::Log(LogLevel level, const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(level, fmt, args);
+    va_end(args);
+    return result;
+}
+
+/* static */
+int Logger::Debug(const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(DEBUG_LVL, fmt, args);
+    va_end(args);
+    return result;
+}
+
+/* static */
+int Logger::Info(const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(INFO_LVL, fmt, args);
+    va_end(args);
+    return result;
+}
+/* static */
+int Logger::Warning(const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(WARNING_LVL, fmt, args);
+    va_end(args);
+    return result;
+}
+/* static */
+int Logger::Error(const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(ERROR_LVL, fmt, args);
+    va_end(args);
+    return result;
+}
+/* static */
+int Logger::Severe(const char* fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    int result = Log(SEVERE_LVL, fmt, args);
+    va_end(args);
+    return result;
+}
+
+
+}  // namespace keymaster