/// <summary>
/// Takes one encoded response, computes delay and diff and stores it
/// </summary>
/// <param name="packet"></param>
private void responseHandler(NetworkPacket packet)
{
// unpacking response
TimeSyncRsMsg response = new TimeSyncRsMsg();
response.Deserialize(packet.Data);
Hash sender = packet.PublicKeySource;
// if never sent request to this peer, drop packet
if (!sentRequests.Keys.Contains(sender))
return;
// store response and calculated results
if (sentRequests[sender].token == packet.Token)
{
ResponseStruct rs = new ResponseStruct();
rs.sentTime = response.senderTime;
rs.token = packet.Token;
rs.receivedTime = nodeState.SystemTime;
rs.responderTime = response.responderTime;
long delay = (rs.receivedTime - rs.sentTime) / 2;
rs.diff = rs.responderTime - delay - rs.sentTime;
collectedResponses.AddOrUpdate(sender, rs, (ok, ov) => rs);
}
}
/// <summary>
/// Takes one encoded request and sends an encoded response
/// </summary>
/// <param name="packet"></param>
private void requestHandler(NetworkPacket packet)
{
// unpacking request
TimeSyncRqMsg request = new TimeSyncRqMsg();
request.Deserialize(packet.Data);
// sending response
TimeSyncRsMsg response = new TimeSyncRsMsg();
response.senderTime = request.senderTime;
response.responderTime = nodeState.SystemTime;
byte[] data = response.Serialize();
Hash token = packet.Token;
NetworkPacket respacket = new NetworkPacket(nodeConfig.PublicKey, PacketType.TPT_TIMESYNC_RESPONSE, data, token);
networkPacketSwitch.AddToQueue(packet.PublicKeySource, respacket);
}