tera/Source/core/server.js
progr76@gmail.com be1548fa14 0.925
2019-03-18 18:36:08 +03:00

1228 lines
41 KiB
JavaScript

/*
* @project: TERA
* @version: Development (beta)
* @license: MIT (not for evil)
* @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
* Web: https://terafoundation.org
* Twitter: https://twitter.com/terafoundation
* Telegram: https://web.telegram.org/#/im?p=@terafoundation
*/
"use strict";
const net = require("net");
const dgram = require("dgram");
const crypto = require('crypto');
require("./library.js");
require("./crypto-library");
const HARD_PACKET_PERIOD = 20;
global.BUF_TYPE = 1;
global.STR_TYPE = 2;
global.MAX_STR_BUF_DATA = 200;
global.MAX_CONNECTION_ACTIVE = 40;
var MAX_CONNECTION_ANOTHER = 40;
const TRAFIC_LIMIT_NODE_1S = MAX_BLOCK_SIZE * 1.25;
const TRAFIC_LIMIT_1S = 8 * TRAFIC_LIMIT_NODE_1S;
global.STAT_PERIOD = CONSENSUS_PERIOD_TIME / 5;
const TRAFIC_LIMIT_SEND = TRAFIC_LIMIT_1S * STAT_PERIOD / 1000;
const TRAFIC_LIMIT_NODE = TRAFIC_LIMIT_NODE_1S * STAT_PERIOD / 1000;
const BUF_PACKET_SIZE = 32 * 1024;
global.FORMAT_POW_TO_CLIENT = "{addrArr:hash,HashRND:hash,MIN_POWER_POW_HANDSHAKE:uint,PubKeyType:byte,Sign:arr64,Reserve:arr33}";
global.FORMAT_POW_TO_SERVER = "{\
DEF_NETWORK:str15,\
DEF_VERSION:str9,\
DEF_CLIENT:str16, \
addrArr:addres, \
ToIP:str26,\
ToPort:uint16, \
FromIP:str26,\
FromPort:uint16, \
nonce:uint,\
Reconnect:byte,\
SendBytes:uint,\
PubKeyType:byte,\
Sign:arr64,\
SecretForReconnect:arr20,\
GrayConnect:byte,\
Reserve:arr14\
}";
const WorkStructPacketSend = {};
const FORMAT_PACKET_SEND_TCP = "{\
PacketSize:uint,\
NumXORRND:uint,\
Method:str25,\
NodeTime:time,\
Length:uint,\
ContextID:hash,\
TypeData:byte,\
Hash:hash,\
Data:data,\
}";
module.exports = class CTransport extends require("./connect")
{
constructor(SetKeyPair, RunIP, RunPort, UseRNDHeader, bVirtual)
{
super(SetKeyPair, RunIP, RunPort, UseRNDHeader, bVirtual)
this.UseRNDHeader = UseRNDHeader
this.BAN_IP = {}
this.ip = RunIP.trim()
this.port = RunPort
this.CanSend = 0
this.SendFormatMap = {}
this.ActualNodes = new RBTree(function (a,b)
{
if(b.Prioritet !== a.Prioritet)
return b.Prioritet - a.Prioritet;
return CompareArr(a.addrArr, b.addrArr);
})
this.SendTrafficFree = 0
this.LoadedPacketNum = 0
this.LoadedSocketNum = 0
setInterval(this.DoLoadBuf.bind(this), 1)
this.LoadBufSocketList = new RBTree(function (a,b)
{
if(b.SocketPrioritet !== a.SocketPrioritet)
return b.SocketPrioritet - a.SocketPrioritet;
return a.SocketNum - b.SocketNum;
})
this.BusyLevel = 0
this.LastTimeHard = 0
this.LastTimeHardOK = 0
setInterval(this.DoHardPacketForSend.bind(this), HARD_PACKET_PERIOD)
this.HardPacketForSend = new RBTree(function (a,b)
{
if(b.BlockProcessCount === a.BlockProcessCount)
return a.PacketNum - b.PacketNum;
else
return b.BlockProcessCount - a.BlockProcessCount;
})
setInterval(this.DoSendPacket.bind(this), 2)
setInterval(this.DoSendBuf.bind(this), 1)
var Map = {};
this.MethodTiming = Map
MethodTiming:
{
Map["TRANSFER"] = {Period:700, Hot:1}
Map["TRANSFERTX"] = {Period:700, Hot:1}
Map["TIME"] = {Period:2000, LowVersion:1, Hard:1, Immediately:1}
Map["PING"] = {Period:4000, LowVersion:1, Hard:1, Immediately:1}
Map["PONG"] = {Period:0, LowVersion:1, Immediately:1}
Map["ADDLEVELCONNECT"] = {Period:1000, Hard:1}
Map["RETADDLEVELCONNECT"] = {Period:0}
Map["DISCONNECTHOT"] = {Period:1000, Hard:1}
Map["GETMESSAGE"] = {Period:1000, Hard:1}
Map["MESSAGE"] = {Period:1000, Hard:1}
Map["TRANSACTION"] = {Period:PERIOD_GET_BLOCK, Hard:1}
Map["GETBLOCKHEADER"] = {Period:PERIOD_GET_BLOCK, Hard:2, Process:global.STATIC_PROCESS}
Map["GETBLOCK"] = {Period:PERIOD_GET_BLOCK, Hard:2, Process:global.STATIC_PROCESS}
Map["GETNODES"] = {Period:1000, Hard:1, LowVersion:1, IsAddrList:1}
Map["RETGETNODES"] = {Period:0, IsAddrList:1}
Map["RETGETNODES2"] = {Period:0, IsAddrList:1}
Map["GETCODE"] = {Period:10000, Hard:1, LowVersion:1, Process:global.STATIC_PROCESS}
Map["RETBLOCKHEADER"] = {Period:0}
Map["RETGETBLOCK"] = {Period:0}
Map["RETCODE"] = {Period:0}
Map["GETREST"] = {Period:1000, Hard:1}
Map["RETREST"] = {Period:0}
}
if(!this.VirtualMode)
this.StartServer()
this.CurrentTimeStart = 0
this.CurrentTimeValues = {}
this.LoadNodesFromFile()
}
GetF(Method, bSend)
{
var name = Method + "-" + bSend;
var format = this.SendFormatMap[name];
if(!format)
{
var F = this.constructor[Method + "_F"];
if(typeof F === "function")
{
format = {struct:F(bSend), length:8096, wrk:{}}
}
else
{
format = "{}"
}
this.SendFormatMap[name] = format
}
return format;
}
SendF(Node, Info, Length)
{
var format = this.GetF(Info.Method, true);
if(!Length)
Length = format.length
Info.Data = BufLib.GetBufferFromObject(Info.Data, format.struct, Length, format.wrk)
this.Send(Node, Info, 1)
}
DataFromF(Info, bSendFormat)
{
var format = this.GetF(Info.Method, bSendFormat);
try
{
var Data = BufLib.GetObjectFromBuffer(Info.Data, format.struct, format.wrk);
return Data;
}
catch(e)
{
ToLog(e)
return {};
}
}
ADD_CURRENT_STAT_TIME(Key, Value)
{
var TimeNum = Math.floor(Date.now() / STAT_PERIOD);
if(this.CurrentTimeStart !== TimeNum)
this.CurrentTimeValues = {}
this.CurrentTimeStart = TimeNum
if(!this.CurrentTimeValues[Key])
this.CurrentTimeValues[Key] = 0
this.CurrentTimeValues[Key] += Value
}
GET_CURRENT_STAT_TIME(Key)
{
var TimeNum = Math.floor(Date.now() / STAT_PERIOD);
if(this.CurrentTimeStart === TimeNum)
{
var Value = this.CurrentTimeValues[Key];
if(Value === undefined)
return 0;
else
return Value;
}
else
{
return 0;
}
}
RecalcSendStatictic()
{
var TimeNum = Math.floor(Date.now() / STAT_PERIOD);
if(this.SendStatNum === TimeNum)
return ;
this.SendStatNum = TimeNum
var Period = CONSENSUS_PERIOD_TIME / STAT_PERIOD;
this.SendTrafficFree = TRAFIC_LIMIT_SEND
var it = this.ActualNodes.iterator(), Node;
while((Node = it.next()) !== null)
{
{
var arr = Node.TrafficArr;
arr.push(Node.BufWriteLength)
Node.BufWriteLength = 0
if(arr.length > 5 * Period)
{
arr.shift()
}
else
{
if(arr.length < 3 * Period)
continue;
}
var arrAvg = [], arrK = [];
var valNext = CalcStatArr(arr, arrAvg, arrK, Period);
valNext = Math.min(valNext, TRAFIC_LIMIT_NODE)
Node.SendTrafficLimit = Math.min(this.SendTrafficFree, valNext * 1.1)
this.SendTrafficFree -= Node.SendTrafficLimit
}
Node.SendTrafficCurrent = 0
ADD_TO_STAT("MAX:NODE_TRAFFIC_LIMIT:" + NodeName(Node), 1000 / STAT_PERIOD * Node.SendTrafficLimit / 1024, 1)
}
this.SendTrafficFree += TRAFIC_LIMIT_NODE
ADD_TO_STAT("SEND_TRAFFIC_FREE", this.SendTrafficFree / 1024)
}
OnGetMethod(Info, CurTime)
{
if(DEBUG_MODE)
{
var Str = "";
if(Info.Data && Info.Data.Length)
Str = " LENGTH=" + Info.Data.Length
TO_DEBUG_LOG("GET:" + Info.Method + Str + " from: Node=" + NodeInfo(Info.Node))
}
if(global.ADDRLIST_MODE)
{
var StrOK = ",HAND,GETNODES,";
if(StrOK.indexOf("," + Info.Method + ",") === - 1)
return ;
}
Info.Node.LastTime = CurTime - 0
var F = this[Info.Method.toUpperCase()];
if(typeof F === "function")
{
F.bind(this)(Info, CurTime)
}
else
{
TO_ERROR_LOG("TRANSPORT", 20, "Method '" + Info.Method + "' not found Socket=*" + Info.Socket.ConnectID, "node", Info.Node)
this.AddCheckErrCount(Info.Node, 1, "Method not found")
}
}
GetActualNodes()
{
var Arr = [];
var it = this.ActualNodes.iterator(), Item;
while((Item = it.next()) !== null)
{
if(GetSocketStatus(Item.Socket) >= 100)
Arr.push(Item)
else
{
this.DeleteNodeFromActive(Item)
}
}
return Arr;
}
NodeIp(Node)
{
if(Node.ip_arrival)
{
return {ip:Node.ip_arrival, port:Node.port_arrival};
}
else
{
return {ip:Node.ip, port:Node.port};
}
}
SetXORHeader(buf, bForce)
{
if(this.UseRNDHeader || bForce)
{
var HashHashSign = shaarr(buf.slice(buf.length - 32, buf.length));
for(var i = 0; i < 32; i++)
buf[i] = HashHashSign[i] ^ buf[i]
}
}
WasBanIP(rinfo)
{
if(!rinfo || !rinfo.address)
return false;
var Key = "" + rinfo.address.trim();
var Stat = this.BAN_IP[Key];
if(Stat)
{
if(Stat.TimeTo > (GetCurrentTime(0) - 0))
return true;
}
return false;
}
NodeInBan(Node)
{
return this.WasBanIP({address:Node.ip});
}
DeleteNodeFromActiveByIP(ip)
{
var Arr = this.GetActualNodes();
for(var i = 0; i < Arr.length; i++)
{
var Node = Arr[i];
if(Node.ip === ip)
{
this.DeleteNodeFromActive(Node)
}
}
}
AddToBan(Node, Str)
{
if(global.NeedRestart)
return ;
this.DeleteNodeFromActive(Node)
if(!Node.ip)
return ;
var Key = "" + Node.ip.trim();
if(!Node.DeltaBan)
Node.DeltaBan = 300
if(Node.DeltaBan > 1000000)
Node.DeltaBan = 1000000
Node.DeltaBan = Node.DeltaBan * 2
var TimeTo = (GetCurrentTime(0) - 0) + Node.DeltaBan * 1000;
this.BAN_IP[Key] = {TimeTo:TimeTo}
Node.BlockProcessCount = 0
this.DeleteNodeFromActiveByIP(Node.ip)
ADD_TO_STAT("AddToBan")
}
AddToBanIP(ip, Str, Period)
{
if(!Period)
Period = 600 * 1000
var Key = "" + ip.trim();
this.BAN_IP[Key] = {TimeTo:(GetCurrentTime(0) - 0) + Period}
this.DeleteNodeFromActiveByIP(ip)
ToLog("ADD TO BAN:: " + Key + " " + Str)
ADD_TO_STAT("AddToBanIP")
}
OnPacketTCP(Meta)
{
var startTime = process.hrtime();
ADD_TO_STAT("USEPACKET")
var CurTime = GetCurrentTime();
Meta.Node.LastTime = CurTime - 0
if(Meta.MethodTiming.Process && Meta.MethodTiming.Process.Worker)
{
var Data = this.DataFromF(Meta);
Meta.MethodTiming.Process.Worker.send({cmd:Meta.Method, Data:Data, addrStr:Meta.Node.addrStr, Context:Meta.Context})
}
else
{
this.OnGetMethod(Meta, CurTime)
}
ADD_TO_STAT_TIME("MAX:TIME_USE_PACKET", startTime)
ADD_TO_STAT_TIME("TIME_USE_PACKET", startTime)
ADD_TO_STAT_TIME("MAX:TIME_USE_PACKET:" + Meta.Method, startTime)
}
GetBufFromData(Method, Data, TypeData, ContextID)
{
var BufData;
if(TypeData === BUF_TYPE)
{
BufData = Data
}
else
if(TypeData === STR_TYPE)
{
BufData = Buffer.from(Data.substr(0, MAX_STR_BUF_DATA))
}
else
{
if(Data === undefined)
{
TypeData = BUF_TYPE
BufData = Buffer.alloc(0)
}
else
{
throw "ERROR TYPE DATA";
}
}
var BUF = {};
BUF.PacketSize = 0
BUF.NumXORRND = 0
BUF.Method = Method
BUF.NodeTime = GetCurrentTime()
BUF.TypeData = TypeData
BUF.Length = BufData.length
BUF.Data = BufData
BUF.ContextID = ContextID
BUF.Hash = this.GetHashFromData(BUF)
var BufWrite = BufLib.GetBufferFromObject(BUF, FORMAT_PACKET_SEND_TCP, BufData.length + 300, WorkStructPacketSend);
BufWrite.len = 0
BufLib.Write(BufWrite, BufWrite.length, "uint")
return BufWrite;
}
GetDataFromBuf(buf)
{
try
{
var Meta = BufLib.GetObjectFromBuffer(buf, FORMAT_PACKET_SEND_TCP, WorkStructPacketSend);
}
catch(e)
{
TO_ERROR_LOG("TRANSPORT", 640, "Error parsing Buffer")
return undefined;
}
var Hash = this.GetHashFromData(Meta);
if(CompareArr(Hash, Meta.Hash) !== 0)
{
if(global.WATCHDOG_DEV)
TO_ERROR_LOG("TRANSPORT", 645, "Error hash Buffer")
return undefined;
}
if(Meta.TypeData === STR_TYPE)
{
Meta.Data = Meta.Data.slice(0, MAX_STR_BUF_DATA).toString()
}
return Meta;
}
GetHashFromData(Info)
{
return shaarr(Info.Method + Info.Length + "-" + (Info.NodeTime - 0));
}
OnGetFromTCP(Node, Socket, Buf)
{
if(!Node)
return ;
if(!Node.Socket)
Node.Socket = Socket
if(!Socket.Buf || Socket.Buf.length === 0)
{
Socket.Buf = Buf
}
else
{
Socket.Buf = Buffer.concat([Socket.Buf, Buf])
}
if(!Socket.SocketNum)
{
this.LoadedSocketNum++
Socket.SocketNum = this.LoadedSocketNum
Socket.SocketPrioritet = Node.BlockProcessCount
}
this.LoadBufSocketList.insert(Socket)
}
DoLoadBuf()
{
var Socket = this.LoadBufSocketList.min();
if(!Socket)
return ;
this.LoadBufSocketList.remove(Socket)
if(Socket.WasClose)
return ;
while(true)
{
if(Socket.Buf && Socket.Buf.length > 6)
{
ADD_TO_STAT("MAX:BUFFE_LOAD_SIZE", Socket.Buf.length / 1024)
Socket.Buf.len = 0
var PacketSize = BufLib.Read(Socket.Buf, "uint");
if(PacketSize > MAX_PACKET_LENGTH)
{
this.SendCloseSocket(Socket, "MAX_PACKET_LENGTH")
break;
}
else
if(Socket.Buf.length >= PacketSize)
{
var data = Socket.Buf.slice(0, PacketSize);
Socket.Buf = Socket.Buf.slice(PacketSize, Socket.Buf.length)
var Res = this.DoDataFromTCP(Socket, data);
if(Res)
{
continue;
}
}
}
break;
}
}
DoDataFromTCP(Socket, buf)
{
this.LoadedPacketNum++
var Node = Socket.Node;
if(!Node)
return 0;
var startTime = process.hrtime();
ADD_TO_STAT("GETDATA(KB)", buf.length / 1024)
ADD_TO_STAT("GETDATA(KB):" + NodeName(Node), buf.length / 1024, 1)
if(!Node.TransferSize)
Node.TransferSize = 0
Node.TransferSize += buf.length / 1024
Node.TransferBlockNumFix = this.CurrentBlockNum
var Buf = this.GetDataFromBuf(buf);
if(!Buf)
{
this.AddCheckErrCount(Node, 1, "Err GetDataFromBuf")
this.SendCloseSocket(Socket, "FORMAT_PACKET_SEND_TCP")
return 0;
}
ADD_TO_STAT("GET:" + Buf.Method)
ADD_TO_STAT("GET:(KB)" + Buf.Method, buf.length / 1024)
ADD_TO_STAT("GET:" + Buf.Method + ":" + NodeName(Node), 1, 1)
var Param = this.MethodTiming[Buf.Method];
if(this.StopDoSendPacket(Param, Node, Buf.Method))
{
return 1;
}
if(!IsZeroArr(Buf.ContextID))
{
Buf.Context = global.ContextPackets.LoadValue(Buf.ContextID)
}
if(!Buf.Context)
{
if(Param && Param.Period === 0 && Buf.Method !== "RETBLOCKHEADER")
{
this.AddCheckErrCount(Node, 1)
return ;
}
Buf.Context = {}
}
Buf.Context.ContextID = Buf.ContextID
Buf.Node = Node
Buf.Socket = Socket
Buf.MethodTiming = Param
if(!global.ADDRLIST_MODE || Param.IsAddrList)
{
if(Param.Hard)
{
if(Param.Immediately && this.HardPacketForSend.size <= 3)
{
this.OnPacketTCP(Buf)
}
else
{
Buf.PacketNum = this.LoadedPacketNum
Buf.BlockProcessCount = Node.BlockProcessCount
Buf.TimeLoad = Date.now()
this.HardPacketForSend.insert(Buf)
}
}
else
{
this.OnPacketTCP(Buf)
}
}
ADD_TO_STAT_TIME("MAX:TIMEDOGETDATA", startTime)
return 1;
}
StopDoSendPacket(Param, Node, Name)
{
var CurTime = GetCurrentTime(0) - 0;
if(!Param)
{
ADD_TO_STAT("STOP_METHOD")
ADD_TO_STAT("STOP_METHOD:NO")
this.AddCheckErrCount(Node, 1)
return 1;
}
if(Param.Hot && !Node.Hot)
{
this.AddCheckErrCount(Node, 1)
return 0;
}
if(Param.Period && !Node.VersionOK && !Param.LowVersion)
{
ADD_TO_STAT("STOP_METHOD")
ADD_TO_STAT("STOP_METHOD:LOWVERSION:" + Name)
return 1;
}
if(global.STOPGETBLOCK && Param.Hard === 2 && Node.BlockProcessCount < 1000000)
{
Node.NextPing = 1 * 1000
ADD_TO_STAT("STOP_METHOD")
ADD_TO_STAT("STOP_METHOD:STOPGETBLOCK:" + Name)
this.AddCheckErrCount(Node, 0.5)
return 1;
}
var ArrTime = Node.TimeMap[Name];
if(!ArrTime)
{
ArrTime = [0, 0, 0]
Node.TimeMap[Name] = ArrTime
}
ArrTime.sort(function (a,b)
{
return a - b;
})
var Delta = CurTime - ArrTime[0];
if(Delta < Param.Period)
{
ADD_TO_STAT("STOP_METHOD")
ADD_TO_STAT("STOP_METHOD:" + Name)
this.AddCheckErrCount(Node, 1)
return 1;
}
ArrTime[0] = CurTime
return 0;
}
DoHardPacketForSend()
{
ADD_TO_STAT("MAX:BUSY_LEVEL", this.BusyLevel)
ADD_TO_STAT("MAX:HARD_PACKET_SIZE", this.HardPacketForSend.size)
var Delta = Date.now() - this.LastTimeHard;
this.LastTimeHard = Date.now()
if(Delta > global.HARD_PACKET_PERIOD120 * HARD_PACKET_PERIOD / 100)
{
ADD_TO_STAT("HARD_PACKET_PERIOD120")
var Delta2 = Date.now() - this.LastTimeHardOK;
if(Delta2 > 100)
{
var Info = this.HardPacketForSend.min();
this.RiseBusyLevelByInfo(Info)
}
return ;
}
if(this.BusyLevel)
this.BusyLevel = this.BusyLevel / 1.1
this.LastTimeHardOK = Date.now()
ADD_TO_STAT("HARD_PACKET_PERIOD")
this.DoHardPacketForSendNext()
}
RiseBusyLevelByInfo(Info)
{
if(!Info)
return ;
if(!this.BusyLevel)
this.BusyLevel = 1
if(Info.BlockProcessCount > this.BusyLevel)
this.BusyLevel = Info.BlockProcessCount + 1
if(this.BusyLevel <= 0)
this.BusyLevel = 1
}
DropBusyLevelByInfo(Info)
{
if(!Info)
return ;
if(this.BusyLevel > Info.BlockProcessCount)
this.BusyLevel = Info.BlockProcessCount - 1
if(this.BusyLevel < 0)
this.BusyLevel = 0
}
DoHardPacketForSendNext()
{
var Info = this.HardPacketForSend.min();
if(!Info)
{
this.BusyLevel = 0
return ;
}
this.DropBusyLevelByInfo(Info)
this.HardPacketForSend.remove(Info)
this.OnPacketTCP(Info)
ADD_TO_STAT("DO_HARD_PACKET")
ADD_TO_STAT("DO_HARD_PACKET:" + Info.Method)
var DeltaTime = Date.now() - Info.TimeLoad;
if(this.HardPacketForSend.size && DeltaTime > PACKET_ALIVE_PERIOD / 2)
{
ADD_TO_STAT("DELETE_HARD_PACKET_OLD", this.HardPacketForSend.size)
this.HardPacketForSend.clear()
return ;
}
var MaxCount = 20;
while(Info = this.HardPacketForSend.max())
{
var DeltaTime = Date.now() - Info.TimeLoad;
if(DeltaTime > PACKET_ALIVE_PERIOD / 2 || !Info.Node.Socket || Info.Node.Socket.WasClose)
{
this.HardPacketForSend.remove(Info)
if(DeltaTime > PACKET_ALIVE_PERIOD / 2)
{
this.RiseBusyLevelByInfo(Info)
Info.Node.NextPing = 1 * 1000
this.AddCheckErrCount(Info.Node, 0.2)
ADD_TO_STAT("DELETE_HARD_PACKET_OLD")
ADD_TO_STAT("DELETE_HARD_PACKET_OLD:" + Info.Method)
}
else
{
ADD_TO_STAT("DELETE_HARD_PACKET_NO_ALIVE")
}
}
MaxCount--
if(MaxCount <= 0)
break;
}
}
Send(Node, Info, TypeData)
{
if(!Node.Socket)
{
this.DeleteNodeFromActive(Node)
return ;
}
if(Info.Context)
{
Info.ContextID = Info.Context.ContextID
if(!Info.ContextID)
{
Info.ContextID = crypto.randomBytes(32)
Info.Context.ContextID = Info.ContextID
}
global.ContextPackets.SaveValue(Info.ContextID, Info.Context)
}
else
{
Info.ContextID = []
}
Node.SendPacketNum++
Info.Node = Node
Info.TypeData = TypeData
Info.Prioritet = Node.Prioritet
Info.PacketNum = Node.SendPacketNum
Info.TimeNum = Date.now()
Node.SendPacket.insert(Info)
}
DoSendPacketNodeAll(Node)
{
while(this.DoSendPacketNode(Node) === 1);
}
DoSendPacketNode(Node)
{
var TimeNum = Date.now();
var Info = Node.SendPacket.max();
if(Info && TimeNum - Info.TimeNum > PACKET_ALIVE_PERIOD)
while(Info = Node.SendPacket.max())
{
var DeltaTime = TimeNum - Info.TimeNum;
if(DeltaTime > PACKET_ALIVE_PERIOD / 2)
{
Node.SendPacket.remove(Info)
ADD_TO_STAT("DELETE_OLD_PACKET")
}
else
break;
}
Info = Node.SendPacket.min()
if(!Info)
return 0;
ADD_TO_STAT("MAX:NODE_BUF_WRITE:" + NodeName(Node), Node.BufWrite.length / 1024, 1)
ADD_TO_STAT("MAX:NODE_SEND_BUF_PACKET_COUNT:" + NodeName(Node), Node.SendPacket.size, 1)
if(Node.BufWrite.length > 2 * TRAFIC_LIMIT_1S)
{
return 2;
}
Node.SendPacket.remove(Info)
if(Info.Context)
{
if(!Info.Context.SendCount)
Info.Context.SendCount = 0
Info.Context.SendCount++
}
var BufWrite = this.GetBufFromData(Info.Method, Info.Data, Info.TypeData, Info.ContextID);
Node.BufWriteLength += BufWrite.length
if(Node.BufWrite.length === 0)
Node.BufWrite = BufWrite
else
Node.BufWrite = Buffer.concat([Node.BufWrite, BufWrite])
ADD_TO_STAT("SEND:" + Info.Method)
ADD_TO_STAT("SEND:(KB)" + Info.Method, BufWrite.length / 1024)
ADD_TO_STAT("SEND:" + Info.Method + ":" + NodeName(Node), 1, 1)
TO_DEBUG_LOG("SEND " + Info.Method + " to " + NodeInfo(Node) + " LENGTH=" + BufWrite.length)
return 1;
}
DoSendPacket()
{
var it = this.ActualNodes.iterator(), Node;
while((Node = it.next()) !== null)
if(Node.ConnectStatus() === 100)
{
this.DoSendPacketNode(Node)
}
else
{
ADD_TO_STAT("SEND_ERROR")
this.AddCheckErrCount(Node, 0.005, "NODE STATUS=" + Node.ConnectStatus())
}
}
DoSendBuf()
{
this.RecalcSendStatictic()
var CountNodeSend = 0;
var it = this.ActualNodes.iterator(), Node;
NEXT_NODE:
while((Node = it.next()) !== null)
if(Node.Socket && Node.ConnectStatus() === 100)
if(Node.BufWrite.length > 0)
{
CountNodeSend++
var CountSend = Math.min(BUF_PACKET_SIZE, Node.BufWrite.length);
var Value = CountSend / 1024;
if(global.LIMIT_SEND_TRAFIC)
{
var CanCountSend = Node.SendTrafficLimit - Node.SendTrafficCurrent;
if(CanCountSend < CountSend)
{
if(this.SendTrafficFree < CountSend)
{
ADD_TO_STAT("LIMIT_SENDDATA:" + NodeName(Node), Value, 1)
continue NEXT_NODE;
}
this.SendTrafficFree -= CountSend
}
}
Node.write(Node.BufWrite.slice(0, CountSend))
Node.SendTrafficCurrent += CountSend
Node.BufWrite = Node.BufWrite.slice(CountSend)
this.ADD_CURRENT_STAT_TIME("SEND_DATA", Value)
ADD_TO_STAT("SENDDATA(KB)", Value)
ADD_TO_STAT("SENDDATA(KB):" + NodeName(Node), Value, 1)
}
}
CheckPOWTicketConnect(Socket, data)
{
try
{
var Info = BufLib.GetObjectFromBuffer(data, FORMAT_POW_TO_SERVER, {});
}
catch(e)
{
this.SendCloseSocket(Socket, "FORMAT_POW_TO_SERVER")
return ;
}
if(Info.DEF_NETWORK !== GetNetworkName())
{
this.SendCloseSocket(Socket, "DEF_NETWORK=" + Info.DEF_NETWORK + " MUST:" + GetNetworkName())
return ;
}
var Node = this.FindRunNodeContext(Info.addrArr, Info.FromIP, Info.FromPort, true);
if(CompareArr(Info.addrArr, this.addrArr) === 0)
{
AddNodeInfo(Node, "SERV: GET SELF")
this.SendCloseSocket(Socket, "SELF")
return ;
}
var Hash = shaarr2(this.addrArr, Socket.HashRND);
var hashInfo = GetHashWithValues(Hash, Info.nonce, 0);
var power = GetPowPower(hashInfo);
if(Info.Reconnect)
{
if((Node.SecretForReconnect && Node.WaitConnectFromServer && CompareArr(Node.SecretForReconnect, Info.SecretForReconnect) === 0) || Info.Reconnect === 255)
{
var Result = 1;
if(Info.Reconnect === 255)
{
Result = CheckDevelopSign(Hash, Info.Sign)
}
if(Result)
{
Node.NextConnectDelta = 1000
Node.WaitConnectFromServer = 0
Node.GrayConnect = 0
AddNodeInfo(Node, "3. SERVER OK CONNECT for client node " + SocketInfo(Socket))
this.AddNodeToActive(Node)
Node.Socket = Socket
SetSocketStatus(Socket, 3)
SetSocketStatus(Socket, 100)
Socket.Node = Node
Socket.write(this.GetBufFromData("POW_CONNECT0", "OK", 2))
return ;
}
else
{
Node.NextConnectDelta = 60 * 1000
ToLog("Error Sign Node from " + NodeInfo(Node))
this.AddCheckErrCount(Node, 10, "Error Sign Node")
}
}
AddNodeInfo(Node, "SERV: ERROR_RECONNECT")
Socket.end(this.GetBufFromData("POW_CONNEC11", "ERROR_RECONNECT", 2))
CloseSocket(Socket, "ERROR_RECONNECT")
return ;
}
else
{
if(power < MIN_POWER_POW_HANDSHAKE)
{
ToLog("END: MIN_POWER_POW_HANDSHAKE")
AddNodeInfo(Node, "SERV: ERR MIN_POWER_POW_HANDSHAKE")
Socket.end(this.GetBufFromData("POW_CONNECT2", "MIN_POWER_POW_HANDSHAKE", 2))
CloseSocket(Socket, "MIN_POWER_POW_HANDSHAKE")
return ;
}
else
{
if(!Node.BlockProcessCount)
Node.BlockProcessCount = 0
if(this.ActualNodes.size >= MAX_CONNECTIONS_COUNT && Node.BlockProcessCount < global.TRUST_PROCESS_COUNT)
{
AddNodeInfo(Node, "SERV: ERROR_MAX_CLIENTS")
Socket.end(this.GetBufFromData("POW_CONNECT8", "ERROR_MAX_CLIENTS", 2))
CloseSocket(Socket, "ERROR_MAX_CLIENTS")
return ;
}
var Result = false;
if(Info.PubKeyType === 2 || Info.PubKeyType === 3)
Result = secp256k1.verify(Buffer.from(Hash), Buffer.from(Info.Sign), Buffer.from([Info.PubKeyType].concat(Info.addrArr)))
if(!Result)
{
AddNodeInfo(Node, "SERV: ERROR_SIGN_CLIENT")
Socket.end(this.GetBufFromData("POW_CONNECT8", "ERROR_SIGN_CLIENT", 2))
CloseSocket(Socket, "ERROR_SIGN_CLIENT")
this.AddToBanIP(Socket.remoteAddress, "ERROR_SIGN_CLIENT")
return ;
}
AddNodeInfo(Node, "1. SERVER OK POW for client node " + SocketInfo(Socket))
Node.FromIP = Info.FromIP
Node.FromPort = Info.FromPort
Node.SecretForReconnect = crypto.randomBytes(20)
Node.PubKey = Buffer.from([Info.PubKeyType].concat(Info.addrArr))
if(Info.GrayConnect)
{
Node.NextConnectDelta = 1000
Node.WaitConnectFromServer = 0
Node.GrayConnect = 1
AddNodeInfo(Node, "5. CLIENT OK GRAY CONNECT " + SocketInfo(Socket))
this.AddNodeToActive(Node)
Node.Socket = Socket
SetSocketStatus(Socket, 3)
SetSocketStatus(Socket, 100)
Socket.Node = Node
Socket.write(this.GetBufFromData("POW_CONNECT0", "OK", 2))
return ;
}
if(!Node.WasAddToReconnect)
{
Node.WasAddToReconnect = 1
Node.ReconnectFromServer = 1
global.ArrReconnect.push(Node)
}
Socket.write(this.GetBufFromData("POW_CONNECT4", "WAIT_CONNECT_FROM_SERVER:" + GetHexFromArr(Node.SecretForReconnect), 2))
}
}
}
StopServer()
{
if(this.Server)
this.Server.close()
}
StartServer()
{
if(GrayConnect())
{
this.CanSend++
return ;
}
let SELF = this;
this.Server = net.createServer(function (sock)
{
if(SELF.WasBanIP({address:sock.remoteAddress}))
{
sock.ConnectID = "new"
CloseSocket(sock, "WAS BAN", true)
return ;
}
let SOCKET = sock;
socketInit(SOCKET, "c")
SetSocketStatus(SOCKET, 0)
AddNodeInfo(SOCKET, "Client *" + SOCKET.ConnectID + " connected from " + SOCKET.remoteAddress + ":" + SOCKET.remotePort, 1)
ADD_TO_STAT("ClientConnected")
SOCKET.HashRND = crypto.randomBytes(32)
var Data = {addrArr:SELF.addrArr, HashRND:SOCKET.HashRND, MIN_POWER_POW_HANDSHAKE:MIN_POWER_POW_HANDSHAKE, PubKeyType:SELF.PubKeyType,
Sign:SELF.ServerSign, Reserve:[]};
var BufData = BufLib.GetBufferFromObject(Data, FORMAT_POW_TO_CLIENT, 300, {});
var BufWrite = SELF.GetBufFromData("POW_CONNECT5", BufData, 1);
try
{
SOCKET.write(BufWrite)
}
catch(e)
{
ToError(e)
SOCKET = undefined
return ;
}
SOCKET.on('data', function (data)
{
if(SOCKET.WasClose)
{
return ;
}
if(!SOCKET.Node)
{
var Buf = SELF.GetDataFromBuf(data);
if(Buf)
{
SELF.CheckPOWTicketConnect(SOCKET, Buf.Data)
SOCKET.ConnectToServer = 0
return ;
}
CloseSocket(SOCKET, "=SERVER ON DATA=")
}
else
{
socketRead(SOCKET, data)
SELF.OnGetFromTCP(SOCKET.Node, SOCKET, data)
}
})
SOCKET.on('end', function ()
{
ADD_TO_STAT("ClientEnd")
var Node = SOCKET.Node;
var Status = GetSocketStatus(SOCKET);
if(Status)
AddNodeInfo(Node, "Get socket end *" + SOCKET.ConnectID + " from client Stat: " + SocketStatistic(SOCKET))
if(Node && Status === 200)
{
Node.SwapSockets()
SOCKET.WasClose = 1
}
})
SOCKET.on('close', function (err)
{
ADD_TO_STAT("ClientClose")
if(SOCKET.ConnectID && GetSocketStatus(SOCKET))
AddNodeInfo(SOCKET.Node, "Get socket close *" + SOCKET.ConnectID + " from client Stat: " + SocketStatistic(SOCKET))
if(!SOCKET.WasClose && SOCKET.Node)
{
CloseSocket(SOCKET, "GET CLOSE")
}
SetSocketStatus(SOCKET, 0)
})
SOCKET.on('error', function (err)
{
ADD_TO_STAT("ERRORS")
CloseSocket(SOCKET, "ERRORS")
if(SOCKET.Node)
SELF.AddCheckErrCount(SOCKET.Node, 1, "ERR##2 : socket")
})
})
this.Server.on('close', function ()
{
})
this.Server.on('error', function (err)
{
if(err.code === 'EADDRINUSE')
{
ToLogClient('Port ' + SELF.port + ' in use, retrying...')
if(SELF.Server)
SELF.Server.close()
setTimeout(function ()
{
SELF.RunListenServer()
}, 5000)
return ;
}
ADD_TO_STAT("ERRORS")
ToError("ERR##3")
})
if(!SELF.ip)
{
this.FindInternetIP()
}
else
{
this.CanSend++
this.RunListenServer()
}
}
RunListenServer()
{
if(!START_PORT_NUMBER || START_PORT_NUMBER === "undefined")
START_PORT_NUMBER = 30000
let SELF = this;
SELF.port = START_PORT_NUMBER
ToLogClient("Prepare to run TCP server on port: " + SELF.port)
this.Server.listen(SELF.port, '0.0.0.0', function ()
{
if(SELF.CanSend < 2)
ToLogClient("Run TCP server on " + SELF.ip + ":" + SELF.port)
SELF.CanSend++
var Hash = shaarr(SELF.addrStr);
SELF.ServerSign = secp256k1.sign(Buffer.from(Hash), SELF.KeyPair.getPrivateKey('')).signature
})
}
FindInternetIP()
{
let SELF = this;
let server = Stun.createServer(this.Net4);
const request = Stun.createMessage(Stun.constants.STUN_BINDING_REQUEST);
server.on('error', function (err)
{
SELF.CanSend++
})
server.once('bindingResponse', function (stunMsg)
{
var value = stunMsg.getAttribute(Stun.constants.STUN_ATTR_XOR_MAPPED_ADDRESS).value;
ToLog("INTERNET IP:" + value.address)
SELF.CanSend++
global.INTERNET_IP_FROM_STUN = value.address
if(!SELF.ip)
SELF.ip = INTERNET_IP_FROM_STUN
if(server)
server.close()
SELF.RunListenServer()
})
var StrStunAddr = 'stun.l.google.com';
const dns = require('dns');
dns.lookup(StrStunAddr, function (err,address,family)
{
if(!err)
server.send(request, 19302, StrStunAddr)
else
SELF.CanSend++
})
}
CLOSE_SOCKET(Context, CurTime)
{
AddNodeInfo(Context.Socket.Node, "GET CLOSE_SOCKET *" + Context.Socket.ConnectID + ": " + Context.Data.toString())
CloseSocket(Context.Socket, "CLOSE_SOCKET")
}
SendCloseSocket(Socket, Str)
{
AddNodeInfo(Socket.Node, "CLOSE_SOCKET " + SocketInfo(Socket) + " - " + Str)
if(Socket.WasClose)
{
return ;
}
this.AddCheckErrCount(Socket.Node, 1, "SendCloseSocket")
if(Socket.Node && Socket.Node.BufWrite && Socket.Node.BufWrite.length > 0)
{
}
else
{
AddNodeInfo(Socket.Node, "END *" + Socket.ConnectID + ": " + Str)
Socket.end(this.GetBufFromData("CLOSE_SOCKET", Str, 2))
}
CloseSocket(Socket, Str)
}
AddCheckErrCount(Node, Count, StrErr)
{
if(!Node)
return ;
if(!Count)
Count = 1
var Delta = Date.now() - Node.LastTimeError;
if(Delta > 10 * 1000)
{
Node.ErrCount = 0
}
Node.LastTimeError = Date.now()
Node.ErrCountAll += Count
Node.ErrCount += Count
if(Node.ErrCount >= 5)
{
Node.ErrCount = 0
ADD_TO_STAT("ERRORS")
Node.BlockProcessCount--
if(Node.BlockProcessCount < - 30)
{
if(!StrErr)
StrErr = ""
this.AddToBan(Node, StrErr + " BlockProcess:" + Node.BlockProcessCount)
}
else
{
}
}
}
};
global.ContextPackets = new STreeBuffer(10 * 1000, CompareItemHash32, "object");
function CalcStatArr(arr,arrAvg,arrNext,Period)
{
var arrSum = [arr[0]];
for(var i = 1; i < arr.length; i++)
{
arrSum[i] = arrSum[i - 1] + arr[i];
}
for(var i = 0; i < arrSum.length; i++)
{
if(i < Period)
arrAvg[i] = Math.floor(arrSum[i] / (i + 1));
else
{
arrAvg[i] = Math.floor((arrSum[i] - arrSum[i - Period]) / Period);
}
}
arrNext[0] = 0;
for(var i = 1; i < arrAvg.length; i++)
{
var Avg = arrSum[i] / (i + 1);
var minValue = Avg / 20;
var Value1 = arrAvg[i - 1];
var Value2 = arrAvg[i];
if(Value1 < minValue)
Value1 = minValue;
if(Value2 < minValue)
Value2 = minValue;
var KLast = Math.floor(100 * (Value2 - Value1) / Value1) / 100;
var AvgLast = arrAvg[i];
if(Avg > AvgLast)
AvgLast = Avg;
if(KLast > 2.0)
KLast = 2.0;
if(KLast < - 0.0)
KLast = - 0.0;
arrNext[i] = AvgLast * (1 + KLast);
var AvgMax = 0;
if(0)
if(i > 1 * Period)
{
for(var j = i - Period / 2; j <= i; j++)
if(arrAvg[j] > AvgMax)
AvgMax = arrAvg[j];
}
}
return arrNext[arrNext.length - 1];
};