public LocalDrpPeer(DrpPeerEngine engine, LocalDrpPeerConfiguration configuration, IDrpRegisteredPeerApp drpPeerApp)
{
Engine = engine;
_configuration = configuration;
_drpPeerApp = drpPeerApp;
engine.Configuration.VisionChannel?.RegisterVisibleModule(engine.Configuration.VisionChannelSourceId, this.ToString(), this);
}
async Task <LocalDrpPeer> CreateLocalPeerAsync(LocalDrpPeerConfiguration registrationConfiguration, IDrpRegisteredPeerApp drpPeerApp)
{
if (registrationConfiguration.LocalPeerRegistrationId == null)
{
throw new ArgumentNullException();
}
var localDrpPeer = new LocalDrpPeer(this, registrationConfiguration, drpPeerApp);
if (Configuration.ForcedPublicIpApiProviderResponse == null)
{
var nowUTC = DateTimeNowUtc;
if (_latestPublicIpAddressResponseTimeUTC == null || nowUTC - _latestPublicIpAddressResponseTimeUTC.Value > TimeSpan.FromSeconds(60))
{
WriteToLog_drpGeneral_detail($"resolving local public IP...");
var sw = Stopwatch.StartNew();
var localPublicIp = await SendPublicIpAddressApiRequestAsync("http://ip.seeip.org/");
if (localPublicIp == null)
{
localPublicIp = await SendPublicIpAddressApiRequestAsync("http://api.ipify.org/");
}
if (localPublicIp == null)
{
localPublicIp = await SendPublicIpAddressApiRequestAsync("http://bot.whatismyipaddress.com");
}
if (localPublicIp == null)
{
localPublicIp = _latestPublicIpAddressResponse.GetAddressBytes();
}
if (localPublicIp == null)
{
throw new Exception("Failed to resolve public IP address. Please check your internet connection");
}
localDrpPeer.PublicIpApiProviderResponse = new IPAddress(localPublicIp);
_latestPublicIpAddressResponse = localDrpPeer.PublicIpApiProviderResponse;
_latestPublicIpAddressResponseTimeUTC = nowUTC;
var elapsedMs = (int)sw.Elapsed.TotalMilliseconds;
if (elapsedMs > 20000)
{
WriteToLog_drpGeneral_mediumPain($"resolved local public IP = {localDrpPeer.PublicIpApiProviderResponse} ({elapsedMs}ms) - too long");
}
else if (elapsedMs > 10000)
{
WriteToLog_drpGeneral_lightPain($"resolved local public IP = {localDrpPeer.PublicIpApiProviderResponse} ({elapsedMs}ms) - too long");
}
else
{
WriteToLog_drpGeneral_detail($"resolved local public IP = {localDrpPeer.PublicIpApiProviderResponse} ({elapsedMs}ms)");
}
await EngineThreadQueue.EnqueueAsync("resolved local public IP 3518");
WriteToLog_drpGeneral_detail($"@engine thread");
}
else
{
WriteToLog_drpGeneral_detail($"using cached local public IP address {_latestPublicIpAddressResponse}");
localDrpPeer.PublicIpApiProviderResponse = _latestPublicIpAddressResponse;
}
}
else
{
localDrpPeer.PublicIpApiProviderResponse = Configuration.ForcedPublicIpApiProviderResponse;
}
LocalPeers.Add(registrationConfiguration.LocalPeerRegistrationId, localDrpPeer);
return(localDrpPeer);
}
public void BeginCreateLocalPeer(LocalDrpPeerConfiguration registrationConfiguration, IDrpRegisteredPeerApp drpPeerApp, Action <LocalDrpPeer> cb = null)
{
EngineThreadQueue.Enqueue(async() =>
{
var r = await CreateLocalPeerAsync(registrationConfiguration, drpPeerApp);
if (cb != null)
{
cb(r);
}
}, "CreateLocalPeerAsync24807");
}
/// <summary>
/// returns control only when LocalDrpPeer is registered and ready for operation ("local user logged in")
/// </summary>
public void BeginRegister(LocalDrpPeerConfiguration registrationConfiguration, IDrpRegisteredPeerApp drpPeerApp, Action <LocalDrpPeer> cb = null)
{
WriteToLog_reg_requesterSide_detail($">> BeginRegister()", null, null);
if (registrationConfiguration.LocalPeerRegistrationId == null)
{
throw new ArgumentNullException();
}
EngineThreadQueue.Enqueue(async() =>
{
var r = await BeginRegister2(registrationConfiguration, drpPeerApp);
cb?.Invoke(r);
}, "BeginRegister792");
}
async Task <LocalDrpPeer> BeginRegister2(LocalDrpPeerConfiguration registrationConfiguration, IDrpRegisteredPeerApp user)
{
WriteToLog_reg_requesterSide_detail($"@BeginRegister2() engine thread", null, null);
var localDrpPeer = await CreateLocalPeerAsync(registrationConfiguration, user);
if (registrationConfiguration.EntryPeerEndpoints.Length != 0)
{
for (; ;)
{
var epIndex = _insecureRandom.Next(registrationConfiguration.EntryPeerEndpoints.Length);
var epEndpoint = registrationConfiguration.EntryPeerEndpoints[epIndex];
try
{
if (await RegisterAsync(localDrpPeer, epEndpoint, 0, RegisterRequestPacket.MaxNumberOfHopsRemaining, null, true) != null)
{
break;
}
// on error or timeout try next entry peer
}
catch (Exception exc)
{
HandleExceptionWhileConnectingToEP(epEndpoint, exc);
}
}
WriteToLog_reg_requesterSide_detail($"@RegisterAsync() returned {localDrpPeer}", null, null);
return(localDrpPeer);
}
else
{
throw new ArgumentException();
}
}
async Task <LocalDrpPeer> BeginRegister2(LocalDrpPeerConfiguration registrationConfiguration, IDrpRegisteredPeerApp user)
{
WriteToLog_reg_requesterSide_detail($"@BeginRegister2() engine thread", null, null);
var localDrpPeer = await CreateLocalPeerAsync(registrationConfiguration, user);
if (registrationConfiguration.EntryPeerEndpoints.Length != 0)
{
for (; ;)
{
var epIndex = _insecureRandom.Next(registrationConfiguration.EntryPeerEndpoints.Length);
var epEndpoint = registrationConfiguration.EntryPeerEndpoints[epIndex];
// if (MiscProcedures.EqualByteArrays(epEndpoint.Address.GetAddressBytes(), localDrpPeer.LocalPublicIpAddressForRegistration.GetAddressBytes()) == true)
// {
// if (logger.WriteToLog_detail2_enabled) logger.WriteToLog_detail($"not connecting to EP {epEndpoint}: same IP address as local public IP");
// }
// else
// {
try
{
if (await RegisterAsync(localDrpPeer, epEndpoint, 0, 20, null) != null)
{
break;
}
// on error or timeout try next entry peer
}
catch (Exception exc)
{
HandleExceptionWhileConnectingToEP(epEndpoint, exc);
}
// }
}
WriteToLog_reg_requesterSide_detail($"@RegisterAsync() returned {localDrpPeer}", null, null);
return(localDrpPeer);
}
else
{
throw new ArgumentException();
}
}
