/// <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);
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);
}
}
protected void UnregisterMapping(Mapping mapping)
{
_openedMapping.RemoveWhere(x => x.Equals(mapping));
}
protected void RegisterMapping(Mapping mapping)
{
_openedMapping.Remove(mapping);
_openedMapping.Add(mapping);
}
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;
}