public override Task CreatePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
if (mapping.PrivateIP.Equals(IPAddress.None)) mapping.PrivateIP = DeviceInfo.LocalAddress;
NatDiscoverer.TraceSource.LogInfo("CreatePortMapAsync - Creating port mapping {0}", mapping);
var message = new CreatePortMappingRequestMessage(mapping);
return _soapClient
.InvokeAsync("AddPortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(task =>
{
if (!task.IsFaulted)
{
RegisterMapping(mapping);
}
else
{
MappingException me = task.Exception.InnerException as MappingException;
if (me == null)
{
throw task.Exception.InnerException;
}
switch (me.ErrorCode)
{
case UpnpConstants.OnlyPermanentLeasesSupported:
NatDiscoverer.TraceSource.LogWarn(
"Only Permanent Leases Supported - There is no warranty it will be closed");
mapping.Lifetime = 0;
// We create the mapping anyway. It must be released on shutdown.
mapping.LifetimeType = MappingLifetime.ForcedSession;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.SamePortValuesRequired:
NatDiscoverer.TraceSource.LogWarn(
"Same Port Values Required - Using internal port {0}", mapping.PrivatePort);
mapping.PublicPort = mapping.PrivatePort;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.RemoteHostOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("Remote Host Only Supports Wildcard");
mapping.PublicIP = IPAddress.None;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.ExternalPortOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("External Port Only Supports Wildcard");
throw me;
case UpnpConstants.ConflictInMappingEntry:
NatDiscoverer.TraceSource.LogWarn("Conflict with an already existing mapping");
throw me;
default:
throw me;
}
}
});
}
void onPortMappingDone(Open.Nat.Mapping mapping, bool isError)
{
if (isError)
{
Debug.Log("Port mapping failed");
}
else
{
Debug.Log("Port " + mapping.PublicPort + " mapped (" + mapping.Protocol + ")");
}
}
public void OpenExternalPort(int privatePort, int publicPort, string description)
{
localHostPort = privatePort;
var timeSpan = new TimeSpan(0, 0, 0, 30);
var cancellationTokenSource = new CancellationTokenSource(timeSpan);
natDiscoverer = new NatDiscoverer();
natDevice = natDiscoverer
.DiscoverDeviceAsync(PortMapper.Upnp, cancellationTokenSource)
.IsCompleted();
mapping = new Mapping(Protocol.Tcp, privatePort, publicPort, description);
natDevice
.CreatePortMapAsync(mapping)
.IsCompleted();
}
private async Task<Mapping> InternalCreatePortMapAsync(Mapping mapping, bool create)
{
var package = new List<byte>();
package.Add(PmpConstants.Version);
package.Add(mapping.Protocol == Protocol.Tcp ? PmpConstants.OperationCodeTcp : PmpConstants.OperationCodeUdp);
package.Add(0); //reserved
package.Add(0); //reserved
package.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short) mapping.PrivatePort)));
package.AddRange(
BitConverter.GetBytes(create ? IPAddress.HostToNetworkOrder((short) mapping.PublicPort) : (short) 0));
package.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(mapping.Lifetime)));
try
{
byte[] buffer = package.ToArray();
int attempt = 0;
int delay = PmpConstants.RetryDelay;
using (var udpClient = new UdpClient())
{
CreatePortMapListen(udpClient, mapping);
while (attempt < PmpConstants.RetryAttempts)
{
await
udpClient.SendAsync(buffer, buffer.Length,
new IPEndPoint(LocalAddress, PmpConstants.ServerPort));
attempt++;
delay *= 2;
Thread.Sleep(delay);
}
}
}
catch (Exception e)
{
string type = create ? "create" : "delete";
string message = String.Format("Failed to {0} portmap (protocol={1}, private port={2})",
type,
mapping.Protocol,
mapping.PrivatePort);
NatDiscoverer.TraceSource.LogError(message);
var pmpException = e as MappingException;
throw new MappingException(message, pmpException);
}
return mapping;
}
public override async Task CreatePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
mapping.PrivateIP = DeviceInfo.LocalAddress;
try
{
var message = new CreatePortMappingRequestMessage(mapping);
await _soapClient
.InvokeAsync("AddPortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4));
RegisterMapping(mapping);
}
catch(MappingException me)
{
switch (me.ErrorCode)
{
case UpnpConstants.OnlyPermanentLeasesSupported:
NatDiscoverer.TraceSource.LogWarn("Only Permanent Leases Supported - There is no warranty it will be closed");
mapping.Lifetime = 0;
// We create the mapping anyway. It must be released on shutdown.
mapping.LifetimeType = MappingLifetime.ForcedSession;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.SamePortValuesRequired:
NatDiscoverer.TraceSource.LogWarn("Same Port Values Required - Using internal port {0}", mapping.PrivatePort);
mapping.PublicPort = mapping.PrivatePort;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.RemoteHostOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("Remote Host Only Supports Wildcard");
mapping.PublicIP = IPAddress.None;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.ExternalPortOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("External Port Only Supports Wildcard");
throw;
case UpnpConstants.ConflictInMappingEntry:
NatDiscoverer.TraceSource.LogWarn("Conflict with an already existing mapping");
throw;
default:
throw;
}
}
}
internal async Task<bool> CreateNatTraversalEntry(NatMappingEntry entry)
{
try
{
var discoverer = new NatDiscoverer();
var cts = new CancellationTokenSource(10000);
var device = await discoverer.DiscoverDeviceAsync(PortMapper.Upnp, cts);
Mapping mapping = new Mapping((Protocol)((int)entry.Protocol), entry.PrivatePort, entry.PublicPort, entry.Description);
await device.CreatePortMapAsync(mapping);
return true;
}
catch (NatDeviceNotFoundException NfExc)
{
//log exc
return false;
}
catch (MappingException MExc)
{
//log exc
return false;
}
}
public override async Task DeletePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
try
{
var message = new DeletePortMappingRequestMessage(mapping);
await _soapClient
.InvokeAsync("DeletePortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4));
UnregisterMapping(mapping);
}
catch (MappingException e)
{
if(e.ErrorCode != UpnpConstants.NoSuchEntryInArray) throw;
}
}
public DeletePortMappingRequestMessage(Mapping mapping)
{
_mapping = mapping;
}
private void CreatePortMapListen(UdpClient udpClient, Mapping mapping)
{
var endPoint = new IPEndPoint(LocalAddress, PmpConstants.ServerPort);
while (true)
{
byte[] data = udpClient.Receive(ref endPoint);
if (data.Length < 16)
continue;
if (data[0] != PmpConstants.Version)
continue;
var opCode = (byte) (data[1] & 127);
var protocol = Protocol.Tcp;
if (opCode == PmpConstants.OperationCodeUdp)
protocol = Protocol.Udp;
short resultCode = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 2));
int epoch = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(data, 4));
short privatePort = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 8));
short publicPort = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 10));
var lifetime = (uint) IPAddress.NetworkToHostOrder(BitConverter.ToInt32(data, 12));
if (privatePort < 0 || publicPort < 0 || resultCode != PmpConstants.ResultCodeSuccess)
{
var errors = new[]
{
"Success",
"Unsupported Version",
"Not Authorized/Refused (e.g. box supports mapping, but user has turned feature off)"
,
"Network Failure (e.g. NAT box itself has not obtained a DHCP lease)",
"Out of resources (NAT box cannot create any more mappings at this time)",
"Unsupported opcode"
};
throw new MappingException(resultCode, errors[resultCode]);
}
if (lifetime == 0) return; //mapping was deleted
//mapping was created
//TODO: verify that the private port+protocol are a match
mapping.PublicPort = publicPort;
mapping.Protocol = protocol;
mapping.Expiration = DateTime.Now.AddSeconds(lifetime);
return;
}
}
/// <summary> /// Creates the port map asynchronous. /// </summary> /// <param name="mapping">The <see cref="Mapping">Mapping</see> entry.</param> /// <example> /// device.CreatePortMapAsync(new Mapping(Protocol.Tcp, 1700, 1600)); /// </example> /// <exception cref="MappingException">MappingException</exception> public abstract Task CreatePortMapAsync(Mapping mapping);
private Task RenewMapping(Mapping mapping)
{
var renewMapping = new Mapping(mapping);
renewMapping.Expiration = DateTime.UtcNow.AddSeconds(mapping.Lifetime);
NatDiscoverer.TraceSource.LogInfo("Renewing mapping {0}", renewMapping);
return CreatePortMapAsync(renewMapping)
.ContinueWith(task =>
{
if (task.IsFaulted)
{
NatDiscoverer.TraceSource.LogWarn("Renew {0} failed", mapping);
}
else
{
NatDiscoverer.TraceSource.LogInfo("Next renew scheduled at: {0}",
renewMapping.Expiration.ToLocalTime().TimeOfDay);
}
});
}
protected void RegisterMapping(Mapping mapping)
{
_openedMapping.Remove(mapping);
_openedMapping.Add(mapping);
}
/// <summary> /// Deletes a mapped port asynchronous. /// </summary> /// <param name="mapping">The <see cref="Mapping">Mapping</see> entry.</param> /// <example> /// device.DeletePortMapAsync(new Mapping(Protocol.Tcp, 1700, 1600)); /// </example> /// <exception cref="MappingException">MappingException-class</exception> public abstract Task DeletePortMapAsync(Mapping mapping);
/// <summary> /// Creates the port map asynchronous. /// </summary> /// <param name="mapping">The <see cref="Mapping">Mapping</see> entry.</param> /// <example> /// device.CreatePortMapAsync(new Mapping(Protocol.Tcp, 1700, 1600)); /// </example> /// <exception cref="MappingException">MappingException</exception> public abstract Task CreatePortMapAsync(Mapping mapping);
protected void UnregisterMapping(Mapping mapping)
{
_openedMapping.RemoveWhere(x => x.Equals(mapping));
}
protected void RegisterMapping(Mapping mapping)
{
_openedMapping.Remove(mapping);
_openedMapping.Add(mapping);
}
public override Task CreatePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
if (mapping.PrivateIP.Equals(IPAddress.None))
{
mapping.PrivateIP = DeviceInfo.LocalAddress;
}
NatDiscoverer.TraceSource.LogInfo("CreatePortMapAsync - Creating port mapping {0}", mapping);
var message = new CreatePortMappingRequestMessage(mapping);
return(_soapClient
.InvokeAsync("AddPortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(task =>
{
if (!task.IsFaulted)
{
RegisterMapping(mapping);
}
else
{
MappingException me = task.Exception.InnerException as MappingException;
if (me == null)
{
throw task.Exception.InnerException;
}
switch (me.ErrorCode)
{
case UpnpConstants.OnlyPermanentLeasesSupported:
NatDiscoverer.TraceSource.LogWarn(
"Only Permanent Leases Supported - There is no warranty it will be closed");
mapping.Lifetime = 0;
// We create the mapping anyway. It must be released on shutdown.
mapping.LifetimeType = MappingLifetime.ForcedSession;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.SamePortValuesRequired:
NatDiscoverer.TraceSource.LogWarn(
"Same Port Values Required - Using internal port {0}", mapping.PrivatePort);
mapping.PublicPort = mapping.PrivatePort;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.RemoteHostOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("Remote Host Only Supports Wildcard");
mapping.PublicIP = IPAddress.None;
CreatePortMapAsync(mapping);
break;
case UpnpConstants.ExternalPortOnlySupportsWildcard:
NatDiscoverer.TraceSource.LogWarn("External Port Only Supports Wildcard");
throw me;
case UpnpConstants.ConflictInMappingEntry:
NatDiscoverer.TraceSource.LogWarn("Conflict with an already existing mapping");
throw me;
default:
throw me;
}
}
}));
}
public void GetGenericMappingAsync(int index, List <Mapping> mappings,
TaskCompletionSource <IEnumerable <Mapping> > taskCompletionSource)
{
var message = new GetGenericPortMappingEntry(index);
_soapClient
.InvokeAsync("GetGenericPortMappingEntry", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(task =>
{
if (!task.IsFaulted)
{
var responseData = task.Result;
var responseMessage = new GetPortMappingEntryResponseMessage(responseData,
DeviceInfo.ServiceType, true);
IPAddress internalClientIp;
if (!IPAddress.TryParse(responseMessage.InternalClient, out internalClientIp))
{
NatDiscoverer.TraceSource.LogWarn("InternalClient is not an IP address. Mapping ignored!");
}
else
{
var mapping = new Mapping(responseMessage.Protocol
, internalClientIp
, responseMessage.InternalPort
, responseMessage.ExternalPort
, responseMessage.LeaseDuration
, responseMessage.PortMappingDescription);
mappings.Add(mapping);
}
GetGenericMappingAsync(index + 1, mappings, taskCompletionSource);
}
else
{
MappingException e = task.Exception.InnerException as MappingException;
if (e == null)
{
throw task.Exception.InnerException;
}
if (e.ErrorCode == UpnpConstants.SpecifiedArrayIndexInvalid ||
e.ErrorCode == UpnpConstants.NoSuchEntryInArray)
{
// there are no more mappings
taskCompletionSource.SetResult(mappings);
return;
}
// DD-WRT Linux base router (and others probably) fails with 402-InvalidArgument when index is out of range
if (e.ErrorCode == UpnpConstants.InvalidArguments)
{
NatDiscoverer.TraceSource.LogWarn("Router failed with 402-InvalidArgument. No more mappings is assumed.");
taskCompletionSource.SetResult(mappings);
return;
}
throw task.Exception.InnerException;
}
});
}
public override async Task<IEnumerable<Mapping>> GetAllMappingsAsync()
{
var index = 0;
var mappings = new List<Mapping>();
while (true)
{
try
{
var message = new GetGenericPortMappingEntry(index);
var responseData = await _soapClient
.InvokeAsync("GetGenericPortMappingEntry", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4));
var responseMessage = new GetPortMappingEntryResponseMessage(responseData, DeviceInfo.ServiceType, true);
var mapping = new Mapping(responseMessage.Protocol
, IPAddress.Parse(responseMessage.InternalClient)
, responseMessage.InternalPort
, responseMessage.ExternalPort
, responseMessage.LeaseDuration
, responseMessage.PortMappingDescription);
mappings.Add(mapping);
index++;
}
catch (MappingException e)
{
if (e.ErrorCode == UpnpConstants.SpecifiedArrayIndexInvalid) break; // there are no more mappings
throw;
}
}
return mappings.ToArray();
}
internal Mapping(Mapping mapping)
{
PrivateIP = mapping.PrivateIP;
PrivatePort = mapping.PrivatePort;
Protocol = mapping.Protocol;
PublicIP = mapping.PublicIP;
PublicPort = mapping.PublicPort;
LifetimeType = mapping.LifetimeType;
Description = mapping.Description;
_lifetime = mapping._lifetime;
_expiration = mapping._expiration;
}
public CreatePortMappingRequestMessage(Mapping mapping)
{
_mapping = mapping;
}
protected void UnregisterMapping(Mapping mapping)
{
_openedMapping.RemoveWhere(x => x.Equals(mapping));
}
public override Task DeletePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
if (mapping.PrivateIP.Equals(IPAddress.None)) mapping.PrivateIP = DeviceInfo.LocalAddress;
NatDiscoverer.TraceSource.LogInfo("DeletePortMapAsync - Deleteing port mapping {0}", mapping);
var message = new DeletePortMappingRequestMessage(mapping);
return _soapClient
.InvokeAsync("DeletePortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(task =>
{
if (!task.IsFaulted)
{
UnregisterMapping(mapping);
}
else
{
MappingException e = task.Exception.InnerException as MappingException;
if (e != null && e.ErrorCode != UpnpConstants.NoSuchEntryInArray) throw e;
}
});
}
private async Task RenewMapping(Mapping mapping)
{
var renewMapping = new Mapping(mapping);
try
{
renewMapping.Expiration = DateTime.UtcNow.AddSeconds(mapping.Lifetime);
NatDiscoverer.TraceSource.LogInfo("Renewing mapping {0}", renewMapping);
await CreatePortMapAsync(renewMapping);
NatDiscoverer.TraceSource.LogInfo("Next renew scheduled at: {0}",
renewMapping.Expiration.ToLocalTime().TimeOfDay);
}
catch (Exception)
{
NatDiscoverer.TraceSource.LogWarn("Renew {0} failed", mapping);
}
}
public void GetGenericMappingAsync(int index, List<Mapping> mappings,
TaskCompletionSource<IEnumerable<Mapping>> taskCompletionSource)
{
var message = new GetGenericPortMappingEntry(index);
_soapClient
.InvokeAsync("GetGenericPortMappingEntry", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(task =>
{
if (!task.IsFaulted)
{
var responseData = task.Result;
var responseMessage = new GetPortMappingEntryResponseMessage(responseData,
DeviceInfo.ServiceType, true);
IPAddress internalClientIp;
if (!IPAddress.TryParse(responseMessage.InternalClient, out internalClientIp))
{
NatDiscoverer.TraceSource.LogWarn("InternalClient is not an IP address. Mapping ignored!");
}
else
{
var mapping = new Mapping(responseMessage.Protocol
, internalClientIp
, responseMessage.InternalPort
, responseMessage.ExternalPort
, responseMessage.LeaseDuration
, responseMessage.PortMappingDescription);
mappings.Add(mapping);
}
GetGenericMappingAsync(index + 1, mappings, taskCompletionSource);
}
else
{
MappingException e = task.Exception.InnerException as MappingException;
if (e == null)
{
throw task.Exception.InnerException;
}
if (e.ErrorCode == UpnpConstants.SpecifiedArrayIndexInvalid
|| e.ErrorCode == UpnpConstants.NoSuchEntryInArray)
{
// there are no more mappings
taskCompletionSource.SetResult(mappings);
return;
}
// DD-WRT Linux base router (and others probably) fails with 402-InvalidArgument when index is out of range
if (e.ErrorCode == UpnpConstants.InvalidArguments)
{
NatDiscoverer.TraceSource.LogWarn("Router failed with 402-InvalidArgument. No more mappings is assumed.");
taskCompletionSource.SetResult(mappings);
return;
}
throw task.Exception.InnerException;
}
});
}
/// <summary> /// Deletes a mapped port asynchronous. /// </summary> /// <param name="mapping">The <see cref="Mapping">Mapping</see> entry.</param> /// <example> /// device.DeletePortMapAsync(new Mapping(Protocol.Tcp, 1700, 1600)); /// </example> /// <exception cref="MappingException">MappingException-class</exception> public abstract Task DeletePortMapAsync(Mapping mapping);
public override async Task<IEnumerable<Mapping>> GetAllMappingsAsync()
{
var index = 0;
var mappings = new List<Mapping>();
NatDiscoverer.TraceSource.LogInfo("GetAllMappingsAsync - Getting all mappings");
while (true)
{
try
{
var message = new GetGenericPortMappingEntry(index++);
var responseData = await _soapClient
.InvokeAsync("GetGenericPortMappingEntry", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4));
var responseMessage = new GetPortMappingEntryResponseMessage(responseData, DeviceInfo.ServiceType, true);
IPAddress internalClientIp;
if(!IPAddress.TryParse(responseMessage.InternalClient, out internalClientIp))
{
NatDiscoverer.TraceSource.LogWarn("InternalClient is not an IP address. Mapping ignored!");
continue;
}
var mapping = new Mapping(responseMessage.Protocol
, internalClientIp
, responseMessage.InternalPort
, responseMessage.ExternalPort
, responseMessage.LeaseDuration
, responseMessage.PortMappingDescription);
mappings.Add(mapping);
}
catch (MappingException e)
{
// there are no more mappings
if (e.ErrorCode == UpnpConstants.SpecifiedArrayIndexInvalid
|| e.ErrorCode == UpnpConstants.NoSuchEntryInArray
// DD-WRT Linux base router (and others probably) fails with 402-InvalidArgument when index is out of range
|| e.ErrorCode == UpnpConstants.InvalidArguments
// LINKSYS WRT1900AC AC1900 it returns errocode 501-PAL_UPNP_SOAP_E_ACTION_FAILED
|| e.ErrorCode == UpnpConstants.ActionFailed)
{
NatDiscoverer.TraceSource.LogWarn("Router failed with {0}-{1}. No more mappings is assumed.", e.ErrorCode, e.ErrorText);
break;
}
throw;
}
}
return mappings.ToArray();
}
public override async Task DeletePortMapAsync(Mapping mapping)
{
await InternalCreatePortMapAsync(mapping, false)
.TimeoutAfter(TimeSpan.FromSeconds(4));
UnregisterMapping(mapping);
}
private Task<Mapping> InternalCreatePortMapAsync(Mapping mapping, bool create)
{
var package = new List<byte>();
package.Add(PmpConstants.Version);
package.Add(mapping.Protocol == Protocol.Tcp ? PmpConstants.OperationCodeTcp : PmpConstants.OperationCodeUdp);
package.Add(0); //reserved
package.Add(0); //reserved
package.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short) mapping.PrivatePort)));
package.AddRange(
BitConverter.GetBytes(create ? IPAddress.HostToNetworkOrder((short) mapping.PublicPort) : (short) 0));
package.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(mapping.Lifetime)));
byte[] buffer = package.ToArray();
int attempt = 0;
int delay = PmpConstants.RetryDelay;
var udpClient = new UdpClient();
CreatePortMapListen(udpClient, mapping);
Task task = Task.Factory.FromAsync<byte[], int, IPEndPoint, int>(
udpClient.BeginSend, udpClient.EndSend,
buffer, buffer.Length,
new IPEndPoint(LocalAddress, PmpConstants.ServerPort),
null);
while (attempt < PmpConstants.RetryAttempts - 1)
{
task = task.ContinueWith(t =>
{
if (t.IsFaulted)
{
string type = create ? "create" : "delete";
string message = String.Format("Failed to {0} portmap (protocol={1}, private port={2})",
type,
mapping.Protocol,
mapping.PrivatePort);
NatDiscoverer.TraceSource.LogError(message);
throw new MappingException(message, t.Exception);
}
return Task.Factory.FromAsync<byte[], int, IPEndPoint, int>(
udpClient.BeginSend, udpClient.EndSend,
buffer, buffer.Length,
new IPEndPoint(LocalAddress, PmpConstants.ServerPort),
null);
}).Unwrap();
attempt++;
delay *= 2;
Thread.Sleep(delay);
}
return task.ContinueWith(t =>
{
udpClient.Close();
return mapping;
});
}
public override async Task DeletePortMapAsync(Mapping mapping)
{
Guard.IsNotNull(mapping, "mapping");
if (mapping.PrivateIP.Equals(IPAddress.None)) mapping.PrivateIP = DeviceInfo.LocalAddress;
NatDiscoverer.TraceSource.LogInfo("DeletePortMapAsync - Deleteing port mapping {0}", mapping);
try
{
var message = new DeletePortMappingRequestMessage(mapping);
await _soapClient
.InvokeAsync("DeletePortMapping", message.ToXml())
.TimeoutAfter(TimeSpan.FromSeconds(4));
UnregisterMapping(mapping);
}
catch (MappingException e)
{
if(e.ErrorCode != UpnpConstants.NoSuchEntryInArray) throw;
}
}
public override Task DeletePortMapAsync(Mapping mapping)
{
return InternalCreatePortMapAsync(mapping, false)
.TimeoutAfter(TimeSpan.FromSeconds(4))
.ContinueWith(t => UnregisterMapping(mapping));
}
public CreatePortMappingRequestMessage(Mapping mapping)
{
_mapping = mapping;
}
public DeletePortMappingRequestMessage(Mapping mapping)
{
_mapping = mapping;
}
