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Workaround for PlatformNotSupportedException on linux with .net core 2.1 #139

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Merged
merged 1 commit into from
Feb 25, 2020
Merged

Workaround for PlatformNotSupportedException on linux with .net core 2.1 #139

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61 changes: 49 additions & 12 deletions Enyim.Caching/Memcached/PooledSocket.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,15 @@ void Cancel()
}
cts.Token.Register(Cancel);

_socket.Connect(_endpoint);
try
{
_socket.Connect(_endpoint);
}
catch (PlatformNotSupportedException)
{
var ep = GetIPEndPoint(_endpoint);
_socket.Connect(ep.Address, ep.Port);
}

if (_socket != null)
{
Expand Down Expand Up @@ -94,20 +102,28 @@ public async Task ConnectAsync()
{
bool success = false;

var connTask = _socket.ConnectAsync(_endpoint);

if (await Task.WhenAny(connTask, Task.Delay(_connectionTimeout)) == connTask)
{
await connTask;
}
else
try
{
if (_socket != null)
var connTask = _socket.ConnectAsync(_endpoint);

if (await Task.WhenAny(connTask, Task.Delay(_connectionTimeout)) == connTask)
{
_socket.Dispose();
_socket = null;
await connTask;
}
throw new TimeoutException($"Timeout to connect to {_endpoint}.");
else
{
if (_socket != null)
{
_socket.Dispose();
_socket = null;
}
throw new TimeoutException($"Timeout to connect to {_endpoint}.");
}
}
catch (PlatformNotSupportedException)
{
var ep = GetIPEndPoint(_endpoint);
await _socket.ConnectAsync(ep.Address, ep.Port);
}

if (_socket != null)
Expand Down Expand Up @@ -423,6 +439,27 @@ public async Task WriteAsync(IList<ArraySegment<byte>> buffers)
throw;
}
}

private IPEndPoint GetIPEndPoint(EndPoint endpoint)
{
if (endpoint is DnsEndPoint)
{
var dnsEndPoint = (DnsEndPoint)endpoint;
var address = Dns.GetHostAddresses(dnsEndPoint.Host).FirstOrDefault(ip =>
ip.AddressFamily == AddressFamily.InterNetwork);
if (address == null)
throw new ArgumentException(String.Format("Could not resolve host '{0}'.", endpoint));
return new IPEndPoint(address, dnsEndPoint.Port);
}
else if (endpoint is IPEndPoint)
{
return endpoint as IPEndPoint;
}
else
{
throw new Exception("Not supported EndPoint type");
}
}
}
}

Expand Down