Add remote version to p2pconnected log event

libdevcore/StructuredLogger.cpp

@@ -62,14 +62,14 @@ void StructuredLogger::logStarting(string const& _clientImpl, const char* _ethVe
 }
 
 void StructuredLogger::logP2PConnected(string const& _id, bi::tcp::endpoint const& _addr,
-	chrono::system_clock::time_point const& _ts, unsigned int _numConnections) const
+	chrono::system_clock::time_point const& _ts, string const& _remoteVersion, unsigned int _numConnections) const
 {
 	if (m_enabled)
 	{
 		std::stringstream addrStream;
 		addrStream << _addr;
 		Json::Value event;
-		event["remote_version_string"] = ""; //TODO
+		event["remote_version_string"] = _remoteVersion;
 		event["comment"] = "as soon as a successful connection to another node is established";
 		event["remote_addr"] = addrStream.str();
 		event["remote_id"] = _id;

libdevcore/StructuredLogger.h

@@ -19,6 +19,8 @@
  * @date 2015
  *
  * A simple helper class for the structured logging
+ * The spec for the implemented log events is here:
+ * https://github.com/ethereum/system-testing/wiki/Log-Events
  */
 
 #pragma once
@@ -40,7 +42,7 @@ public:
 
 	void logStarting(std::string const& _clientImpl, const char* _ethVersion);
 	void logP2PConnected(std::string const& _id, bi::tcp::endpoint const& _addr,
-		std::chrono::system_clock::time_point const& _ts, unsigned int _numConnections) const;
+		std::chrono::system_clock::time_point const& _ts, std::string const& _remoteVersion, unsigned int _numConnections) const;
 	void logP2PDisconnected(std::string const& _id, bi::tcp::endpoint const& _addr, unsigned int _numConnections) const;
 	void logMinedNewBlock(std::string const& _hash, std::string const& _blockNumber,
 		std::string const& _chainHeadHash, std::string const& _prevHash) const;

libp2p/Host.cpp

@@ -162,6 +162,7 @@ void Host::registerPeer(std::shared_ptr<Session> _s, CapDescs const& _caps)
 		m_structuredLogger.logP2PConnected(
 			_s->m_peer->id.abridged(), _s->m_peer->peerEndpoint(),
 			_s->m_peer->m_lastConnected,
+			_s->m_info.clientVersion,
 			0);// TODO: num_connections
 		RecursiveGuard l(x_sessions);
 		// TODO: temporary loose-coupling; if m_peers already has peer,