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- Structured logger is injected as a dependency where needed. - Still a work in progresscl-refactor
Lefteris Karapetsas
10 years ago
16 changed files with 345 additions and 70 deletions
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/*
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This file is part of cpp-ethereum. |
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file StructuredLogger.h
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* @author Lefteris Karapetsas <lefteris@ethdev.com> |
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* @date 2015 |
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* |
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* A simple helper class for the structured logging |
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*/ |
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#include "StructuredLogger.h" |
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#include <json/json.h> |
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using namespace std; |
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namespace dev |
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{ |
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char const* StructuredLogger::timePointToString(chrono::system_clock::time_point const& _ts) const |
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{ |
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// not using C++11 std::put_time due to gcc bug
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// http://stackoverflow.com/questions/14136833/stdput-time-implementation-status-in-gcc
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// TODO: Format it according to Log event Requirements
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time_t time = chrono::system_clock::to_time_t(_ts); |
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return ctime(&time); |
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} |
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void StructuredLogger::outputJson(Json::Value const* _value, std::string const& _name) const |
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{ |
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Json::Value event; |
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event[_name] = _value; |
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cout << event; |
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} |
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void StructuredLogger::logStarting(string const& _clientImpl, const char* _ethVersion) |
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{ |
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if (m_enabled) |
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{ |
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Json::Value event; |
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event["comment"] = "one of the first log events, before any operation is started"; |
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event["client_implt"] = _clientImpl; |
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event["eth_version"] = std::string(_ethVersion); |
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event["ts"] = string(timePointToString(std::chrono::system_clock::now())); |
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outputJson(&event, "starting"); |
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} |
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} |
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void StructuredLogger::logP2PConnected(string const& _id, bi::tcp::endpoint const& _addr, |
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chrono::system_clock::time_point const& _ts, unsigned int _numConnections) const |
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{ |
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if (m_enabled) |
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{ |
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std::stringstream addrStream; |
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addrStream << _addr; |
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Json::Value event; |
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event["remote_version_string"] = ""; //TODO
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event["comment"] = "as soon as a successful connection to another node is established"; |
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event["remote_addr"] = addrStream.str(); |
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event["remote_id"] = _id; |
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event["num_connections"] = Json::Value(_numConnections); |
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event["ts"] = string(timePointToString(_ts)); |
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outputJson(&event, "p2p.connected"); |
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} |
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} |
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void StructuredLogger::logP2PDisconnected(string const& _id, unsigned int _numConnections, bi::tcp::endpoint const& _addr) const |
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{ |
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if (m_enabled) |
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{ |
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std::stringstream addrStream; |
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addrStream << _addr; |
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Json::Value event; |
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event["comment"] = "as soon as a disconnection from another node happened"; |
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event["remote_addr"] = addrStream.str(); |
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event["remote_id"] = _id; |
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event["num_connections"] = Json::Value(_numConnections); |
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event["ts"] = string(timePointToString(chrono::system_clock::now())); |
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outputJson(&event, "p2p.disconnected"); |
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} |
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} |
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void StructuredLogger::logMinedNewBlock(string const& _hash, string const& _blockNumber, |
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string const& _chainHeadHash, string const& _prevHash) const |
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{ |
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if (m_enabled) |
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{ |
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Json::Value event; |
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event["comment"] = "as soon as the block was mined, before adding as new head"; |
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event["block_hash"] = _hash; |
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event["block_number"] = _blockNumber; |
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event["chain_head_hash"] = _chainHeadHash; |
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event["ts"] = string(timePointToString(std::chrono::system_clock::now())); |
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event["block_prev_hash"] = _prevHash; |
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outputJson(&event, "eth.miner.new_block"); |
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} |
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} |
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void StructuredLogger::logChainReceivedNewBlock(string const& _hash, string const& _blockNumber, |
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string const& _chainHeadHash, string const& _remoteID, string const& _prevHash) const |
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{ |
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if (m_enabled) |
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{ |
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Json::Value event; |
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event["comment"] = "whenever a _new_ block is received, before adding"; |
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event["block_hash"] = _hash; |
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event["block_number"] = _blockNumber; |
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event["chain_head_hash"] = _chainHeadHash; |
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event["remote_id"] = _remoteID; |
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event["ts"] = string(timePointToString(chrono::system_clock::now())); |
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event["block_prev_hash"] = _prevHash; |
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outputJson(&event, "eth.chain.received.new_block"); |
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} |
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} |
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void StructuredLogger::logChainNewHead(string const& _hash, string const& _blockNumber, |
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string const& _chainHeadHash, string const& _prevHash) const |
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{ |
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if (m_enabled) |
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{ |
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Json::Value event; |
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event["comment"] = "whenever head changes"; |
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event["block_hash"] = _hash; |
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event["block_number"] = _blockNumber; |
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event["chain_head_hash"] = _chainHeadHash; |
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event["ts"] = string(timePointToString(chrono::system_clock::now())); |
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event["block_prev_hash"] = _prevHash; |
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outputJson(&event, "eth.miner.new_block"); |
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} |
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} |
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void StructuredLogger::logTransactionReceived(string const& _hash, string const& _remoteId) const |
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{ |
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if (m_enabled) |
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{ |
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Json::Value event; |
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event["tx_hash"] = _hash; |
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event["remote_id"] = _remoteId; |
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event["ts"] = string(timePointToString(chrono::system_clock::now())); |
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outputJson(&event, "eth.tx.received"); |
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} |
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} |
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} |
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@ -0,0 +1,59 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file StructuredLogger.h
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* @author Lefteris Karapetsas <lefteris@ethdev.com> |
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* @date 2015 |
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* |
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* A simple helper class for the structured logging |
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*/ |
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#pragma once |
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#include <string> |
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#include <chrono> |
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#include <libp2p/Network.h> |
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namespace Json { class Value; } |
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namespace dev |
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{ |
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class StructuredLogger |
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{ |
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public: |
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StructuredLogger(bool _enabled): m_enabled(_enabled) {} |
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void logStarting(std::string const& _clientImpl, const char* _ethVersion); |
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void logP2PConnected(std::string const& _id, bi::tcp::endpoint const& _addr, |
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std::chrono::system_clock::time_point const& _ts, unsigned int _numConnections) const; |
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void logP2PDisconnected(std::string const& _id, unsigned int _numConnections, bi::tcp::endpoint const& _addr) const; |
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void logMinedNewBlock(std::string const& _hash, std::string const& _blockNumber, |
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std::string const& _chainHeadHash, std::string const& _prevHash) const; |
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void logChainReceivedNewBlock(std::string const& _hash, std::string const& _blockNumber, std::string const& _chainHeadHash, |
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std::string const& _remoteID, std::string const& _prevHash) const; |
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void logChainNewHead(std::string const& _hash, std::string const& _blockNumber, std::string const& _chainHeadHash, |
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std::string const& _prevHash) const; |
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void logTransactionReceived(std::string const& _hash, std::string const& _remoteId) const; |
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private: |
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/// @returns a string representation of a timepoint
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char const* timePointToString(std::chrono::system_clock::time_point const& _ts) const; |
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void outputJson(Json::Value const* _value, std::string const& _name) const; |
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bool m_enabled; |
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}; |
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} |
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