+/*
+ Copyright (c) 2018-2019 Nokia.
+
+ 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 "private/stdstreamlogger.hpp"
+#include <iostream>
+#include <sstream>
+#include <syslog.h>
+#include <boost/iostreams/stream.hpp>
+#include <boost/iostreams/concepts.hpp>
+
+using namespace shareddatalayer;
+
+namespace
+{
+ class Sink: public boost::iostreams::sink
+ {
+ public:
+ Sink(const std::string& prefix, int level): prefix(prefix), level(level) { }
+
+ ~Sink() { }
+
+ std::streamsize write(const char* s, std::streamsize n);
+
+ private:
+ const std::string prefix;
+ const int level;
+ };
+}
+
+std::streamsize Sink::write(const char* s, std::streamsize n)
+{
+ if (level < LOG_ERR)
+ std::cout << prefix << ": " << std::string(s, n);
+ else
+ std::cerr << prefix << ": " << std::string(s, n);
+ return n;
+}
+
+StdStreamLogger::StdStreamLogger(const std::string& prefix):
+ prefix(prefix)
+{
+}
+
+StdStreamLogger::~StdStreamLogger()
+{
+}
+
+std::ostream& StdStreamLogger::emerg()
+{
+ if (osEmerg == nullptr)
+ osEmerg.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_EMERG)));
+ return *osEmerg;
+}
+
+std::ostream& StdStreamLogger::alert()
+{
+ if (osAlert == nullptr)
+ osAlert.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_ALERT)));
+ return *osAlert;
+}
+
+std::ostream& StdStreamLogger::crit()
+{
+ if (osCrit == nullptr)
+ osCrit.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_CRIT)));
+ return *osCrit;
+}
+
+std::ostream& StdStreamLogger::error()
+{
+ if (osError == nullptr)
+ osError.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_ERR)));
+ return *osError;
+}
+
+std::ostream& StdStreamLogger::warning()
+{
+ if (osWarning == nullptr)
+ osWarning.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_WARNING)));
+ return *osWarning;
+}
+
+std::ostream& StdStreamLogger::notice()
+{
+ if (osNotice == nullptr)
+ osNotice.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_NOTICE)));
+ return *osNotice;
+}
+
+std::ostream& StdStreamLogger::info()
+{
+ if (osInfo == nullptr)
+ osInfo.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_INFO)));
+ return *osInfo;
+}
+
+std::ostream& StdStreamLogger::debug()
+{
+ if (osDebug == nullptr)
+ osDebug.reset(new boost::iostreams::stream<Sink>(Sink(prefix, LOG_DEBUG)));
+ return *osDebug;
+}