mirror of https://gitee.com/bigwinds/arangodb
109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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// LoggerStream is just a helper, the LoggerStream.h cannot be included
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// standalone
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#include "Logger.h"
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#include <iomanip>
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#include <iostream>
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using namespace arangodb;
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LoggerStream::~LoggerStream() {
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try {
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Logger::log(_function, _file, _line, _level, _topicId, _out.str());
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} catch (...) {
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try {
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// logging the error may fail as well, and we should never throw in the
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// dtor
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std::cerr << "failed to log: " << _out.str() << std::endl;
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} catch (...) {
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}
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}
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}
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// print a hex representation of the binary data
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LoggerStream& LoggerStream::operator<<(Logger::BINARY const& binary) {
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try {
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std::ostringstream tmp;
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uint8_t const* ptr = static_cast<uint8_t const*>(binary.baseAddress);
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uint8_t const* end = ptr + binary.size;
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while (ptr < end) {
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uint8_t n = *ptr;
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uint8_t n1 = n >> 4;
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uint8_t n2 = n & 0x0F;
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tmp << "\\x" << static_cast<char>((n1 < 10) ? ('0' + n1) : ('A' + n1 - 10))
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<< static_cast<char>((n2 < 10) ? ('0' + n2) : ('A' + n2 - 10));
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++ptr;
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}
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_out << tmp.str();
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} catch (...) {
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// ignore any errors here. logging should not have side effects
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}
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return *this;
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}
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// print a character array
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LoggerStream& LoggerStream::operator<<(Logger::CHARS const& data) {
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try {
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_out.write(data.data, data.size);
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} catch (...) {
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// ignore any errors here. logging should not have side effects
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}
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return *this;
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}
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LoggerStream& LoggerStream::operator<<(Logger::RANGE const& range) {
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try {
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std::ostringstream tmp;
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tmp << range.baseAddress << " - "
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<< static_cast<void const*>(static_cast<char const*>(range.baseAddress) +
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range.size)
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<< " (" << range.size << " bytes)";
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_out << tmp.str();
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} catch (...) {
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// ignore any errors here. logging should not have side effects
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}
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return *this;
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}
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LoggerStream& LoggerStream::operator<<(Logger::FIXED const& value) {
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try {
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std::ostringstream tmp;
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tmp << std::setprecision(value._precision) << std::fixed << value._value;
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_out << tmp.str();
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} catch (...) {
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// ignore any errors here. logging should not have side effects
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}
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return *this;
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}
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