private static IPAddress GetNextAddress(DnsConnectState state, out Socket attempSocket)
{
IPAddress address = null;
attempSocket = null;
var currentIndex = state.NextAddressIndex;
while (attempSocket == null)
{
if (currentIndex >= state.Addresses.Length)
{
return(null);
}
address = state.Addresses[currentIndex++];
if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
attempSocket = state.Socket6;
}
else if (address.AddressFamily == AddressFamily.InterNetwork)
{
attempSocket = state.Socket4;
}
}
state.NextAddressIndex = currentIndex;
return(address);
}
static partial void CreateAttempSocket(DnsConnectState connectState)
{
if (Socket.OSSupportsIPv6)
connectState.Socket6 = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
connectState.Socket4 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
private static IPAddress GetNextAddress(DnsConnectState state, out Socket attempSocket)
{
IPAddress address = null;
attempSocket = null;
var currentIndex = state.NextAddressIndex;
while(attempSocket == null)
{
if (currentIndex >= state.Addresses.Length)
return null;
address = state.Addresses[currentIndex++];
if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
attempSocket = state.Socket6;
}
else if (address.AddressFamily == AddressFamily.InterNetwork)
{
attempSocket = state.Socket4;
}
}
state.NextAddressIndex = currentIndex;
return address;
}
private static void SocketConnectCompleted(object sender, SocketAsyncEventArgs e)
{
DnsConnectState dnsConnectState = e.UserToken as DnsConnectState;
if (e.SocketError == SocketError.Success)
{
ClearSocketAsyncEventArgs(e);
dnsConnectState.Callback((Socket)sender, dnsConnectState.State, e, null);
return;
}
if (e.SocketError != SocketError.HostUnreachable && e.SocketError != SocketError.ConnectionRefused)
{
ClearSocketAsyncEventArgs(e);
dnsConnectState.Callback(null, dnsConnectState.State, e, null);
return;
}
Socket attempSocket;
IPAddress nextAddress = GetNextAddress(dnsConnectState, out attempSocket);
if (nextAddress == null)
{
ClearSocketAsyncEventArgs(e);
e.SocketError = SocketError.HostUnreachable;
dnsConnectState.Callback(null, dnsConnectState.State, e, null);
return;
}
e.RemoteEndPoint = new IPEndPoint(nextAddress, dnsConnectState.Port);
if (!attempSocket.ConnectAsync(e))
{
SocketConnectCompleted(attempSocket, e);
}
}
private static IPAddress GetNextAddress(DnsConnectState state, out Socket attempSocket)
{
IPAddress iPAddress = null;
attempSocket = null;
int num = state.NextAddressIndex;
while (attempSocket == null)
{
if (num >= state.Addresses.Length)
{
return(null);
}
iPAddress = state.Addresses[num++];
if (iPAddress.AddressFamily == AddressFamily.InterNetworkV6)
{
attempSocket = state.Socket6;
}
else if (iPAddress.AddressFamily == AddressFamily.InterNetwork)
{
attempSocket = state.Socket4;
}
}
state.NextAddressIndex = num;
return(iPAddress);
}
private static void CreateAttempSocket(DnsConnectState connectState)
{
if (Socket.OSSupportsIPv6)
{
connectState.Socket6 = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
}
connectState.Socket4 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
private static void OnGetHostAddresses(IAsyncResult result)
{
DnsConnectState dnsConnectState = result.AsyncState as DnsConnectState;
IPAddress[] array;
try
{
array = Dns.EndGetHostAddresses(result);
}
catch (Exception exception)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, exception);
return;
}
if (array == null || array.Length == 0)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, new SocketException(11001));
return;
}
dnsConnectState.Addresses = array;
CreateAttempSocket(dnsConnectState);
Socket attempSocket;
IPAddress nextAddress = GetNextAddress(dnsConnectState, out attempSocket);
if (nextAddress == null)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, new SocketException(10047));
return;
}
if (dnsConnectState.LocalEndPoint != null)
{
try
{
attempSocket.ExclusiveAddressUse = false;
attempSocket.Bind(dnsConnectState.LocalEndPoint);
}
catch (Exception exception2)
{
dnsConnectState.Callback(null, dnsConnectState.State, null, exception2);
return;
}
}
SocketAsyncEventArgs socketAsyncEventArgs = new SocketAsyncEventArgs();
socketAsyncEventArgs.Completed += SocketConnectCompleted;
IPEndPoint iPEndPoint = (IPEndPoint)(socketAsyncEventArgs.RemoteEndPoint = new IPEndPoint(nextAddress, dnsConnectState.Port));
socketAsyncEventArgs.UserToken = dnsConnectState;
if (!attempSocket.ConnectAsync(socketAsyncEventArgs))
{
SocketConnectCompleted(attempSocket, socketAsyncEventArgs);
}
}
static partial void CreateAttempSocket(DnsConnectState connectState)
{
bool ipv6 = false;
try
{
if (Socket.OSSupportsIPv6)
{
ipv6 = true;
}
}
catch (Exception e)
{
GameSparks.Core.GameSparksUtil.LogError("Socket.OSSupportsIPv6: " + e.ToString());
}
try
{
if (Socket.SupportsIPv6)
{
ipv6 = true;
}
}
catch (Exception e)
{
GameSparks.Core.GameSparksUtil.LogError("Socket.SupportsIPv6: " + e.ToString());
}
if (ipv6)
{
try
{
connectState.Socket6 = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
GameSparks.Core.GameSparksUtil.Log("IPv6 on!");
}
catch (Exception e)
{
GameSparks.Core.GameSparksUtil.LogError(e.ToString());
}
}
connectState.Socket4 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
static partial void CreateAttempSocket(DnsConnectState connectState);
static partial void CreateAttempSocket(DnsConnectState connectState)
{
connectState.Socket4 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
static partial void CreateAttempSocket(DnsConnectState connectState);
