rpc: Document bytessent_per_msg and bytesrecv_per_msg

Author: MarcoFalke

src/net.cpp

@@ -1,5 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2018 The Bitcoin Core developers
+// Copyright (c) 2009-2019 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -80,7 +80,7 @@ enum BindFlags {
 // The sleep time needs to be small to avoid new sockets stalling
 static const uint64_t SELECT_TIMEOUT_MILLISECONDS = 50;
 
-const static std::string NET_MESSAGE_COMMAND_OTHER = "*other*";
+const std::string NET_MESSAGE_COMMAND_OTHER = "*other*";
 
 static const uint64_t RANDOMIZER_ID_NETGROUP = 0x6c0edd8036ef4036ULL; // SHA256("netgroup")[0:8]
 static const uint64_t RANDOMIZER_ID_LOCALHOSTNONCE = 0xd93e69e2bbfa5735ULL; // SHA256("localhostnonce")[0:8]
@@ -787,7 +787,6 @@ bool CNode::ReceiveMsgBytes(const char *pch, unsigned int nBytes, bool& complete
         nBytes -= handled;
 
         if (msg.complete()) {
-
             //store received bytes per message command
             //to prevent a memory DOS, only allow valid commands
             mapMsgCmdSize::iterator i = mapRecvBytesPerMsgCmd.find(msg.hdr.pchCommand);

src/net.h

@@ -1,5 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2018 The Bitcoin Core developers
+// Copyright (c) 2009-2019 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -550,6 +550,8 @@ struct LocalServiceInfo {
 
 extern CCriticalSection cs_mapLocalHost;
 extern std::map<CNetAddr, LocalServiceInfo> mapLocalHost GUARDED_BY(cs_mapLocalHost);
+
+extern const std::string NET_MESSAGE_COMMAND_OTHER;
 typedef std::map<std::string, uint64_t> mapMsgCmdSize; //command, total bytes
 
 class CNodeStats
@@ -696,8 +698,8 @@ class CNode
     const uint64_t nKeyedNetGroup;
     std::atomic_bool fPauseRecv;
     std::atomic_bool fPauseSend;
-protected:
 
+protected:
     mapMsgCmdSize mapSendBytesPerMsgCmd;
     mapMsgCmdSize mapRecvBytesPerMsgCmd GUARDED_BY(cs_vRecv);
 

src/rpc/net.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2009-2018 The Bitcoin Core developers
+// Copyright (c) 2009-2019 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -109,11 +109,15 @@ static UniValue getpeerinfo(const JSONRPCRequest& request)
             "    \"whitelisted\": true|false, (boolean) Whether the peer is whitelisted\n"
             "    \"minfeefilter\": n,         (numeric) The minimum fee rate for transactions this peer accepts\n"
             "    \"bytessent_per_msg\": {\n"
-            "       \"addr\": n,              (numeric) The total bytes sent aggregated by message type\n"
+            "       \"msg\": n,               (numeric) The total bytes sent aggregated by message type\n"
+            "                               When a message type is not listed in this json object, the bytes sent are 0.\n"
+            "                               Only known message types can appear as keys in the object.\n"
             "       ...\n"
             "    },\n"
             "    \"bytesrecv_per_msg\": {\n"
-            "       \"addr\": n,              (numeric) The total bytes received aggregated by message type\n"
+            "       \"msg\": n,               (numeric) The total bytes received aggregated by message type\n"
+            "                               When a message type is not listed in this json object, the bytes received are 0.\n"
+            "                               Only known message types can appear as keys in the object and all bytes received of unknown message types are listed under '"+NET_MESSAGE_COMMAND_OTHER+"'.\n"
             "       ...\n"
             "    }\n"
             "  }\n"
@@ -178,14 +182,14 @@ static UniValue getpeerinfo(const JSONRPCRequest& request)
         obj.pushKV("minfeefilter", ValueFromAmount(stats.minFeeFilter));
 
         UniValue sendPerMsgCmd(UniValue::VOBJ);
-        for (const mapMsgCmdSize::value_type &i : stats.mapSendBytesPerMsgCmd) {
+        for (const auto& i : stats.mapSendBytesPerMsgCmd) {
             if (i.second > 0)
                 sendPerMsgCmd.pushKV(i.first, i.second);
         }
         obj.pushKV("bytessent_per_msg", sendPerMsgCmd);
 
         UniValue recvPerMsgCmd(UniValue::VOBJ);
-        for (const mapMsgCmdSize::value_type &i : stats.mapRecvBytesPerMsgCmd) {
+        for (const auto& i : stats.mapRecvBytesPerMsgCmd) {
             if (i.second > 0)
                 recvPerMsgCmd.pushKV(i.first, i.second);
         }