private void versionMsgHandle(P2PState state)
{
var peer = this.Peers.Where(p => p.IP == state.IP && p.Port == state.Port).FirstOrDefault();
if (peer != null)
{
var versionMsg = new VersionMsg();
int index = 0;
versionMsg.Deserialize(state.Command.Payload, ref index);
bool checkResult;
if (versionMsg.Version < Versions.MinimumSupportVersion)
{
checkResult = false;
var data = new RejectMsg();
data.ReasonCode = ErrorCode.Engine.P2P.Connection.P2P_VERSION_NOT_BE_SUPPORT_BY_REMOTE_PEER;
var rejectCommand = P2PCommand.CreateCommand(CommandNames.Other.Reject, data);
this.Send(rejectCommand, state.IP, state.Port);
this.RemovePeer(state.IP, state.Port);
}
else if (Math.Abs(Time.EpochTime - versionMsg.Timestamp) > 2 * 60 * 60 * 1000)
{
checkResult = false;
var data = new RejectMsg();
data.ReasonCode = ErrorCode.Engine.P2P.Connection.TIME_NOT_MATCH_WITH_RMOTE_PEER;
var rejectCommand = P2PCommand.CreateCommand(CommandNames.Other.Reject, data);
this.Send(rejectCommand, state.IP, state.Port);
}
else
{
peer.Version = versionMsg.Version;
checkResult = true;
}
if (checkResult)
{
var verAckCommand = P2PCommand.CreateCommand(CommandNames.P2P.VerAck, null);
this.Send(verAckCommand, state.IP, state.Port);
}
}
}
private void pingMsgHandle(P2PState state)
{
var peer = this.Peers.Where(p => p.IP == state.IP && p.Port == state.Port).FirstOrDefault();
if (peer == null)
{
if (this.Peers.Count < this.maxConnections)
{
var newPeer = new P2PNode();
newPeer.IP = state.IP;
newPeer.Port = state.Port;
newPeer.IsConnected = false;
newPeer.ConnectedTime = Time.EpochTime;
newPeer.IsTrackerServer = false;
newPeer.IsInbound = true;
this.Peers.Add(newPeer);
if (this.receivedMessageBuffer.ContainsKey(state.IP + ":" + state.Port))
{
this.receivedMessageBuffer[state.IP + ":" + state.Port] = new List <byte>();
}
else
{
this.receivedMessageBuffer.Add(state.IP + ":" + state.Port, new List <byte>());
}
var pongCommand = P2PCommand.CreateCommand(CommandNames.P2P.Pong, null);
this.Send(pongCommand, newPeer.IP, newPeer.Port);
var verPayload = new VersionMsg();
verPayload.Version = Versions.EngineVersion;
verPayload.Timestamp = Time.EpochTime;
var versionCommand = P2PCommand.CreateCommand(CommandNames.P2P.Version, verPayload);
this.Send(versionCommand, state.IP, state.Port);
}
else
{
var payload = new RejectMsg();
payload.ReasonCode = ErrorCode.Engine.P2P.Connection.THE_NUMBER_OF_CONNECTIONS_IS_FULL;
var rejectCommand = P2PCommand.CreateCommand(CommandNames.Other.Reject, payload);
this.Send(rejectCommand, state.IP, state.Port);
}
}
else
{
var pongCommand = P2PCommand.CreateCommand(CommandNames.P2P.Pong, null);
this.Send(pongCommand, state.IP, state.Port);
var verPayload = new VersionMsg();
verPayload.Version = Versions.EngineVersion;
verPayload.Timestamp = Time.EpochTime;
var versionCommand = P2PCommand.CreateCommand(CommandNames.P2P.Version, verPayload);
this.Send(versionCommand, state.IP, state.Port);
if (!this.receivedMessageBuffer.ContainsKey(state.IP + ":" + state.Port))
{
this.receivedMessageBuffer.Add(state.IP + ":" + state.Port, new List <byte>());
}
//var payload = new RejectMsg();
//payload.ReasonCode = ErrorCode.Engine.P2P.Connection.THE_PEER_IS_EXISTED;
//var rejectCommand = P2PCommand.CreateCommand(CommandNames.Other.Reject, payload);
//this.Send(rejectCommand, state.IP, state.Port);
}
}
public JsonResult procemsg([FromBody] string messagecont)
{
Result _Result = new Result();
RejectMsg _RejectMsg = new RejectMsg();
string cost_centre = "", payment_method = "", val = "";
bool message_rejected = false;
double total = 0, total_excluding_GST = 0, GST = 0;
string regularExpressionPattern = @"<(\{1})?\w+((\s+\w+(\s*=\s*(?:"".*?""|'.*?'|[^'"">\s]+))?)+\s*|\s*)>";
Regex regex = new Regex(regularExpressionPattern, RegexOptions.Compiled);
MatchCollection collection = regex.Matches(messagecont);
foreach (Match match in collection)
{
int Start, End;
if (messagecont.Contains(match.Value) && messagecont.Contains(match.Value.Replace(@"<", @"</")))
{
Start = messagecont.IndexOf(match.Value, 0, StringComparison.CurrentCulture) + match.Value.Length;
End = messagecont.IndexOf(match.Value.Replace(@"<", @"</"), Start, StringComparison.CurrentCulture);
val = messagecont.Substring(Start, End - Start);
if (match.Value.Contains("<cost_centre>"))
{
cost_centre = val;
}
else if (match.Value.Contains("<payment_method>"))
{
payment_method = val;
}
else if (match.Value.Contains("<total>"))
{
total = Convert.ToDouble(val);
}
}
else
{
message_rejected = true;
break;
}
}
if (cost_centre.Length == 0)
{
cost_centre = "UNKNOWN";
}
if (total <= 0)
{
message_rejected = true;
}
if (message_rejected)
{
_RejectMsg = new RejectMsg()
{
message_rejected = "message is rejected"
};
return(Json(_RejectMsg, JsonRequestBehavior.AllowGet));
}
else
{
total_excluding_GST = total / 1.15;
GST = total - total_excluding_GST;
_Result = new Result()
{
cost_centre = cost_centre,
payment_method = payment_method,
total = total,
total_excluding_GST = total_excluding_GST,
GST = GST
};
}
return(Json(_Result, JsonRequestBehavior.AllowGet));
}