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Unstable 1.1.14.0

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This commit is contained in:
Markus Isberg
2023-10-02 16:43:54 +03:00
parent 94f5a93a0c
commit cf8f0de659
606 changed files with 21906 additions and 11456 deletions
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404
Libraries/Lidgren.Network/NetPeer.Internal.cs
View File

@@ -69,15 +69,8 @@ namespace Lidgren.Network
return;
// remove all callbacks regardless of sync context
RestartRemoveCallbacks:
for (int i = 0; i < m_receiveCallbacks.Count; i++)
{
if (m_receiveCallbacks[i].Item2.Equals(callback))
{
m_receiveCallbacks.RemoveAt(i);
goto RestartRemoveCallbacks;
}
}
m_receiveCallbacks.RemoveAll(tuple => tuple.Item2.Equals(callback));
if (m_receiveCallbacks.Count < 1)
m_receiveCallbacks = null;
}
@@ -123,49 +116,55 @@ namespace Lidgren.Network
}
m_lastSocketBind = now;
if (m_socket == null)
using (var mutex = new Mutex(false, "Global\\lidgrenSocketBind"))
{
try
{
m_socket = new Socket(AddressFamily.InterNetworkV6, SocketType.Dgram, ProtocolType.Udp);
mutex.WaitOne();
if (m_socket == null)
m_socket = new Socket(m_configuration.LocalAddress.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
if (reBind)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, (int)1);
m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
m_socket.SendBufferSize = m_configuration.SendBufferSize;
m_socket.Blocking = false;
if (m_configuration.DualStack)
{
if (m_configuration.LocalAddress.AddressFamily != AddressFamily.InterNetworkV6)
{
LogWarning("Configuration specifies Dual Stack but does not use IPv6 local address; Dual stack will not work.");
}
else
{
m_socket.DualMode = true;
}
}
var ep = (EndPoint)new NetEndPoint(m_configuration.LocalAddress, reBind ? m_listenPort : m_configuration.Port);
m_socket.Bind(ep);
try
{
const uint IOC_IN = 0x80000000;
const uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
m_socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
}
catch
{
// ignore; SIO_UDP_CONNRESET not supported on this platform
}
}
catch (SocketException socketException)
finally
{
if (socketException.SocketErrorCode == SocketError.AddressFamilyNotSupported)
{
// Fall back to IPv4 if IPv6 is unsupported
m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
}
else
{
throw;
}
mutex.ReleaseMutex();
}
}
if (reBind)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, (int)1);
m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
m_socket.SendBufferSize = m_configuration.SendBufferSize;
m_socket.Blocking = false;
if (m_socket.AddressFamily == AddressFamily.InterNetworkV6) { m_socket.DualMode = m_configuration.UseDualModeSockets; }
var ep = (EndPoint)new NetEndPoint(m_configuration.LocalAddress.MapToFamily(m_socket.AddressFamily), reBind ? m_listenPort : m_configuration.Port);
m_socket.Bind(ep);
try
{
const uint IOC_IN = 0x80000000;
const uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
m_socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
}
catch
{
// ignore; SIO_UDP_CONNRESET not supported on this platform
}
var boundEp = m_socket.LocalEndPoint as NetEndPoint;
LogDebug("Socket bound to " + boundEp + ": " + m_socket.IsBound);
m_listenPort = boundEp.Port;
@@ -269,7 +268,7 @@ namespace Lidgren.Network
Heartbeat();
NetUtility.Sleep(10);
lock (m_initializeLock)
{
try
@@ -425,176 +424,175 @@ namespace Lidgren.Network
// update now
now = NetTime.Now;
do
try
{
do
{
ReceiveSocketData(now);
} while (m_socket.Available > 0);
}
catch (SocketException sx)
{
switch (sx.SocketErrorCode)
{
case SocketError.ConnectionReset:
// connection reset by peer, aka connection forcibly closed aka "ICMP port unreachable"
// we should shut down the connection; but m_senderRemote seemingly cannot be trusted, so which connection should we shut down?!
// So, what to do?
LogWarning("ConnectionReset");
return;
case SocketError.NotConnected:
// socket is unbound; try to rebind it (happens on mobile when process goes to sleep)
BindSocket(true);
return;
default:
LogWarning("Socket exception: " + sx.ToString());
return;
}
}
}
private void ReceiveSocketData(double now)
{
int bytesReceived = m_socket.ReceiveFrom(m_receiveBuffer, 0, m_receiveBuffer.Length, SocketFlags.None, ref m_senderRemote);
if (bytesReceived < NetConstants.HeaderByteSize)
return;
//LogVerbose("Received " + bytesReceived + " bytes");
var ipsender = (NetEndPoint)m_senderRemote;
if (m_upnp != null && now < m_upnp.m_discoveryResponseDeadline && bytesReceived > 32)
{
int bytesReceived = 0;
try
// is this an UPnP response?
string resp = System.Text.Encoding.UTF8.GetString(m_receiveBuffer, 0, bytesReceived);
if (resp.Contains("upnp:rootdevice") || resp.Contains("UPnP/1.0"))
{
if (m_senderRemote is IPEndPoint ipEndpoint && ipEndpoint.AddressFamily != m_socket.AddressFamily)
{
m_senderRemote = ipEndpoint.MapToFamily(m_socket.AddressFamily);
}
bytesReceived = m_socket.ReceiveFrom(m_receiveBuffer, 0, m_receiveBuffer.Length, SocketFlags.None, ref m_senderRemote);
}
catch (SocketException sx)
{
switch (sx.SocketErrorCode)
{
case SocketError.ConnectionReset:
// connection reset by peer, aka connection forcibly closed aka "ICMP port unreachable"
// we should shut down the connection; but m_senderRemote seemingly cannot be trusted, so which connection should we shut down?!
// So, what to do?
LogWarning("ConnectionReset");
return;
case SocketError.NotConnected:
// socket is unbound; try to rebind it (happens on mobile when process goes to sleep)
BindSocket(true);
return;
default:
LogWarning("Socket exception: " + sx.ToString());
return;
}
}
if (bytesReceived < NetConstants.HeaderByteSize)
return;
//LogVerbose("Received " + bytesReceived + " bytes");
var ipsender = (NetEndPoint)m_senderRemote;
if (m_upnp != null && now < m_upnp.m_discoveryResponseDeadline && bytesReceived > 32)
{
// is this an UPnP response?
string resp = System.Text.Encoding.UTF8.GetString(m_receiveBuffer, 0, bytesReceived);
if (resp.Contains("upnp:rootdevice") || resp.Contains("UPnP/1.0"))
{
try
{
resp = resp.Substring(resp.ToLower().IndexOf("location:") + 9);
resp = resp.Substring(0, resp.IndexOf("\r")).Trim();
m_upnp.ExtractServiceUrl(resp);
return;
}
catch (Exception ex)
{
LogDebug("Failed to parse UPnP response: " + ex.ToString());
// don't try to parse this packet further
return;
}
}
}
NetConnection sender = null;
m_connectionLookup.TryGetValue(ipsender, out sender);
//
// parse packet into messages
//
int numMessages = 0;
int numFragments = 0;
int ptr = 0;
while ((bytesReceived - ptr) >= NetConstants.HeaderByteSize)
{
// decode header
// 8 bits - NetMessageType
// 1 bit - Fragment?
// 15 bits - Sequence number
// 16 bits - Payload length in bits
numMessages++;
NetMessageType tp = (NetMessageType)m_receiveBuffer[ptr++];
byte low = m_receiveBuffer[ptr++];
byte high = m_receiveBuffer[ptr++];
bool isFragment = ((low & 1) == 1);
ushort sequenceNumber = (ushort)((low >> 1) | (((int)high) << 7));
if (isFragment)
numFragments++;
ushort payloadBitLength = (ushort)(m_receiveBuffer[ptr++] | (m_receiveBuffer[ptr++] << 8));
int payloadByteLength = NetUtility.BytesToHoldBits(payloadBitLength);
if (bytesReceived - ptr < payloadByteLength)
{
LogWarning("Malformed packet; stated payload length " + payloadByteLength + ", remaining bytes " + (bytesReceived - ptr));
return;
}
if (tp >= NetMessageType.Unused1 && tp <= NetMessageType.Unused29)
{
ThrowOrLog("Unexpected NetMessageType: " + tp);
return;
}
try
{
if (tp >= NetMessageType.LibraryError)
{
if (sender != null)
sender.ReceivedLibraryMessage(tp, ptr, payloadByteLength);
else
ReceivedUnconnectedLibraryMessage(now, ipsender, tp, ptr, payloadByteLength);
}
else
{
if (sender == null && !m_configuration.IsMessageTypeEnabled(NetIncomingMessageType.UnconnectedData))
return; // dropping unconnected message since it's not enabled
NetIncomingMessage msg = CreateIncomingMessage(NetIncomingMessageType.Data, payloadByteLength);
msg.m_isFragment = isFragment;
msg.m_receiveTime = now;
msg.m_sequenceNumber = sequenceNumber;
msg.m_receivedMessageType = tp;
msg.m_senderConnection = sender;
msg.m_senderEndPoint = ipsender;
msg.m_bitLength = payloadBitLength;
Buffer.BlockCopy(m_receiveBuffer, ptr, msg.m_data, 0, payloadByteLength);
if (sender != null)
{
if (tp == NetMessageType.Unconnected)
{
// We're connected; but we can still send unconnected messages to this peer
msg.m_incomingMessageType = NetIncomingMessageType.UnconnectedData;
ReleaseMessage(msg);
}
else
{
// connected application (non-library) message
sender.ReceivedMessage(msg);
}
}
else
{
// at this point we know the message type is enabled
// unconnected application (non-library) message
msg.m_incomingMessageType = NetIncomingMessageType.UnconnectedData;
ReleaseMessage(msg);
}
}
resp = resp.Substring(resp.ToLower().IndexOf("location:") + 9);
resp = resp.Substring(0, resp.IndexOf("\r")).Trim();
m_upnp.ExtractServiceUrl(resp);
return;
}
catch (Exception ex)
{
LogError("Packet parsing error: " + ex.Message + " from " + ipsender);
LogDebug("Failed to parse UPnP response: " + ex.ToString());
// don't try to parse this packet further
return;
}
ptr += payloadByteLength;
}
}
NetConnection sender = null;
m_connectionLookup.TryGetValue(ipsender, out sender);
//
// parse packet into messages
//
int numMessages = 0;
int numFragments = 0;
int ptr = 0;
while ((bytesReceived - ptr) >= NetConstants.HeaderByteSize)
{
// decode header
// 8 bits - NetMessageType
// 1 bit - Fragment?
// 15 bits - Sequence number
// 16 bits - Payload length in bits
numMessages++;
NetMessageType tp = (NetMessageType)m_receiveBuffer[ptr++];
byte low = m_receiveBuffer[ptr++];
byte high = m_receiveBuffer[ptr++];
bool isFragment = ((low & 1) == 1);
ushort sequenceNumber = (ushort)((low >> 1) | (((int)high) << 7));
if (isFragment)
numFragments++;
ushort payloadBitLength = (ushort)(m_receiveBuffer[ptr++] | (m_receiveBuffer[ptr++] << 8));
int payloadByteLength = NetUtility.BytesToHoldBits(payloadBitLength);
if (bytesReceived - ptr < payloadByteLength)
{
LogWarning("Malformed packet; stated payload length " + payloadByteLength + ", remaining bytes " + (bytesReceived - ptr));
return;
}
m_statistics.PacketReceived(bytesReceived, numMessages, numFragments);
if (sender != null)
sender.m_statistics.PacketReceived(bytesReceived, numMessages, numFragments);
if (tp >= NetMessageType.Unused1 && tp <= NetMessageType.Unused29)
{
ThrowOrLog("Unexpected NetMessageType: " + tp);
return;
}
} while (m_socket.Available > 0);
}
try
{
if (tp >= NetMessageType.LibraryError)
{
if (sender != null)
sender.ReceivedLibraryMessage(tp, ptr, payloadByteLength);
else
ReceivedUnconnectedLibraryMessage(now, ipsender, tp, ptr, payloadByteLength);
}
else
{
if (sender == null && !m_configuration.IsMessageTypeEnabled(NetIncomingMessageType.UnconnectedData))
return; // dropping unconnected message since it's not enabled
/// <summary>
NetIncomingMessage msg = CreateIncomingMessage(NetIncomingMessageType.Data, payloadByteLength);
msg.m_isFragment = isFragment;
msg.m_receiveTime = now;
msg.m_sequenceNumber = sequenceNumber;
msg.m_receivedMessageType = tp;
msg.m_senderConnection = sender;
msg.m_senderEndPoint = ipsender;
msg.m_bitLength = payloadBitLength;
Buffer.BlockCopy(m_receiveBuffer, ptr, msg.m_data, 0, payloadByteLength);
if (sender != null)
{
if (tp == NetMessageType.Unconnected)
{
// We're connected; but we can still send unconnected messages to this peer
msg.m_incomingMessageType = NetIncomingMessageType.UnconnectedData;
ReleaseMessage(msg);
}
else
{
// connected application (non-library) message
sender.ReceivedMessage(msg);
}
}
else
{
// at this point we know the message type is enabled
// unconnected application (non-library) message
msg.m_incomingMessageType = NetIncomingMessageType.UnconnectedData;
ReleaseMessage(msg);
}
}
}
catch (Exception ex)
{
LogError("Packet parsing error: " + ex.Message + " from " + ipsender);
}
ptr += payloadByteLength;
}
m_statistics.PacketReceived(bytesReceived, numMessages, numFragments);
if (sender != null)
sender.m_statistics.PacketReceived(bytesReceived, numMessages, numFragments);
}
/// <summary>
/// If NetPeerConfiguration.AutoFlushSendQueue() is false; you need to call this to send all messages queued using SendMessage()
/// </summary>
public void FlushSendQueue()

40
Libraries/Lidgren.Network/NetPeer.LatencySimulation.cs
View File

@@ -132,28 +132,36 @@ namespace Lidgren.Network
catch { }
}
//Avoids allocation on mapping to IPv6
private IPEndPoint targetCopy = new IPEndPoint(IPAddress.Any, 0);
internal bool ActuallySendPacket(byte[] data, int numBytes, NetEndPoint target, out bool connectionReset)
{
connectionReset = false;
target = target.MapToFamily(m_socket.AddressFamily);
IPAddress ba = default(IPAddress);
IPAddress ba = default(IPAddress);
try
{
ba = NetUtility.GetCachedBroadcastAddress();
// TODO: refactor this check outta here
if (target.Address == ba)
{
// Some networks do not allow
// a global broadcast so we use the BroadcastAddress from the configuration
// this can be resolved to a local broadcast addresss e.g 192.168.x.255
target.Address = m_configuration.BroadcastAddress;
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
}
// TODO: refactor this check outta here
if (target.Address.Equals(ba))
{
// Some networks do not allow
// a global broadcast so we use the BroadcastAddress from the configuration
// this can be resolved to a local broadcast addresss e.g 192.168.x.255
targetCopy.Address = m_configuration.BroadcastAddress;
targetCopy.Port = target.Port;
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
}
else if(m_configuration.DualStack && m_configuration.LocalAddress.AddressFamily == AddressFamily.InterNetworkV6)
NetUtility.CopyEndpoint(target, targetCopy); //Maps to IPv6 for Dual Mode
else
{
targetCopy.Port = target.Port;
targetCopy.Address = target.Address;
}
int bytesSent = m_socket.SendTo(data, 0, numBytes, SocketFlags.None, target);
int bytesSent = m_socket.SendTo(data, 0, numBytes, SocketFlags.None, targetCopy);
if (numBytes != bytesSent)
LogWarning("Failed to send the full " + numBytes + "; only " + bytesSent + " bytes sent in packet!");
@@ -181,7 +189,7 @@ namespace Lidgren.Network
}
finally
{
if (target.Address == ba)
if (target.Address.Equals(ba))
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
}
return true;
@@ -311,4 +319,4 @@ namespace Lidgren.Network
}
#endif
}
}
}

21
Libraries/Lidgren.Network/NetPeer.cs
View File

@@ -2,7 +2,7 @@
using System.Threading;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
#if !__NOIPENDPOINT__
using NetEndPoint = System.Net.IPEndPoint;
#endif
@@ -121,9 +121,16 @@ namespace Lidgren.Network
m_connections = new List<NetConnection>();
m_connectionLookup = new Dictionary<NetEndPoint, NetConnection>();
m_handshakes = new Dictionary<NetEndPoint, NetConnection>();
m_senderRemote = (EndPoint)new NetEndPoint(IPAddress.IPv6Any, 0);
m_status = NetPeerStatus.NotRunning;
m_receivedFragmentGroups = new Dictionary<NetConnection, Dictionary<int, ReceivedFragmentGroup>>();
if (m_configuration.LocalAddress.AddressFamily == AddressFamily.InterNetworkV6)
{
m_senderRemote = (EndPoint)new IPEndPoint(IPAddress.IPv6Any, 0);
}
else
{
m_senderRemote = (EndPoint)new IPEndPoint(IPAddress.Any, 0);
}
m_status = NetPeerStatus.NotRunning;
m_receivedFragmentGroups = new Dictionary<NetConnection, Dictionary<int, ReceivedFragmentGroup>>();
}
/// <summary>
@@ -292,10 +299,10 @@ namespace Lidgren.Network
{
if (remoteEndPoint == null)
throw new ArgumentNullException("remoteEndPoint");
if(m_configuration.DualStack)
remoteEndPoint = NetUtility.MapToIPv6(remoteEndPoint);
remoteEndPoint = remoteEndPoint.MapToFamily(m_socket.AddressFamily);
lock (m_connections)
lock (m_connections)
{
if (m_status == NetPeerStatus.NotRunning)
throw new NetException("Must call Start() first");

53
Libraries/Lidgren.Network/NetPeerConfiguration.cs
View File

@@ -35,12 +35,12 @@ namespace Lidgren.Network
// -4 bytes to be on the safe side and align to 8-byte boundary
// Total 1408 bytes
// Note that lidgren headers (5 bytes) are not included here; since it's part of the "mtu payload"
/// <summary>
/// Default MTU value in bytes
/// </summary>
public const int kDefaultMTU = 1408;
private const string c_isLockedMessage = "You may not modify the NetPeerConfiguration after it has been used to initialize a NetPeer";
private bool m_isLocked;
@@ -48,6 +48,8 @@ namespace Lidgren.Network
private string m_networkThreadName;
private IPAddress m_localAddress;
private IPAddress m_broadcastAddress;
private bool m_dualStack;
internal bool m_acceptIncomingConnections;
internal int m_maximumConnections;
internal int m_defaultOutgoingMessageCapacity;
@@ -93,8 +95,8 @@ namespace Lidgren.Network
//
m_disabledTypes = NetIncomingMessageType.ConnectionApproval | NetIncomingMessageType.UnconnectedData | NetIncomingMessageType.VerboseDebugMessage | NetIncomingMessageType.ConnectionLatencyUpdated | NetIncomingMessageType.NatIntroductionSuccess;
m_networkThreadName = "Lidgren network thread";
m_localAddress = IPAddress.IPv6Any;
m_broadcastAddress = IPAddress.Broadcast;
m_localAddress = IPAddress.Any;
m_broadcastAddress = IPAddress.Broadcast;
var ip = NetUtility.GetBroadcastAddress();
if (ip != null)
{
@@ -142,12 +144,6 @@ namespace Lidgren.Network
get { return m_appIdentifier; }
}
public bool UseDualModeSockets
{
get;
set;
} = true;
/// <summary>
/// Enables receiving of the specified type of message
/// </summary>
@@ -332,10 +328,11 @@ namespace Lidgren.Network
m_suppressUnreliableUnorderedAcks = value;
}
}
/// <summary>
/// Gets or sets the local ip address to bind to. Defaults to <see cref="IPAddress.IPv6Any"/>. Cannot be changed once NetPeer is initialized.
/// </summary>
public IPAddress LocalAddress
/// <summary>
/// Gets or sets the local ip address to bind to. Defaults to IPAddress.Any. Cannot be changed once NetPeer is initialized.
/// </summary>
public IPAddress LocalAddress
{
get { return m_localAddress; }
set
@@ -346,10 +343,30 @@ namespace Lidgren.Network
}
}
/// <summary>
/// Gets or sets the local broadcast address to use when broadcasting
/// </summary>
public IPAddress BroadcastAddress
/// <summary>
/// Gets or sets a value indicating whether the library should use IPv6 dual stack mode.
/// If you enable this you should make sure that the <see cref="LocalAddress"/> is an IPv6 address.
/// Cannot be changed once NetPeer is initialized.
/// </summary>
public bool DualStack
{
get { return m_dualStack; }
set
{
if (m_isLocked)
throw new NetException(c_isLockedMessage);
m_dualStack = value;
if (m_dualStack && m_localAddress.Equals(IPAddress.Any))
m_localAddress = IPAddress.IPv6Any;
if (!m_dualStack && m_localAddress.Equals(IPAddress.IPv6Any))
m_localAddress = IPAddress.Any;
}
}
/// <summary>
/// Gets or sets the local broadcast address to use when broadcasting
/// </summary>
public IPAddress BroadcastAddress
{
get { return m_broadcastAddress; }
set

82
Libraries/Lidgren.Network/NetUtility.cs
View File

@@ -98,8 +98,8 @@ namespace Lidgren.Network
NetAddress ipAddress = null;
if (NetAddress.TryParse(ipOrHost, out ipAddress))
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork || ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork || ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
{
callback(ipAddress);
return;
}
@@ -163,7 +163,7 @@ namespace Lidgren.Network
}
}
/// <summary>
/// <summary>
/// Get IPv4 address from notation (xxx.xxx.xxx.xxx) or hostname
/// </summary>
public static NetAddress Resolve(string ipOrHost)
@@ -176,22 +176,22 @@ namespace Lidgren.Network
NetAddress ipAddress = null;
if (NetAddress.TryParse(ipOrHost, out ipAddress))
{
if (ipAddress.AddressFamily == AddressFamily.InterNetwork || ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
return ipAddress;
throw new ArgumentException("This method will not currently resolve other than IPv4 or IPv6 addresses");
}
if (ipAddress.AddressFamily == AddressFamily.InterNetwork || ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
return ipAddress;
throw new ArgumentException("This method will not currently resolve other than IPv4 or IPv6 addresses");
}
// ok must be a host name
try
// ok must be a host name
try
{
var addresses = Dns.GetHostAddresses(ipOrHost);
if (addresses == null)
return null;
foreach (var address in addresses)
{
if (address.AddressFamily == AddressFamily.InterNetwork || address.AddressFamily == AddressFamily.InterNetworkV6)
return address;
}
if (address.AddressFamily == AddressFamily.InterNetwork || address.AddressFamily == AddressFamily.InterNetworkV6)
return address;
}
return null;
}
catch (SocketException ex)
@@ -240,7 +240,7 @@ namespace Lidgren.Network
}
return new string(c);
}
/// <summary>
/// Returns true if the endpoint supplied is on the same subnet as this host
/// </summary>
@@ -282,6 +282,18 @@ namespace Lidgren.Network
return bits;
}
/// <summary>
/// Returns how many bits are necessary to hold a certain number
/// </summary>
[CLSCompliant(false)]
public static int BitsToHoldUInt64(ulong value)
{
int bits = 1;
while ((value >>= 1) != 0)
bits++;
return bits;
}
/// <summary>
/// Returns how many bytes are required to hold a certain number of bits
/// </summary>
@@ -401,7 +413,7 @@ namespace Lidgren.Network
{
if (j >= h)
{
if (string.Compare(list[j - h].Name, tmp.Name, StringComparison.OrdinalIgnoreCase) > 0)
if (string.Compare(list[j - h].Name, tmp.Name, StringComparison.InvariantCulture) > 0)
{
list[j] = list[j - h];
j -= h;
@@ -454,24 +466,28 @@ namespace Lidgren.Network
return ComputeSHAHash(bytes, 0, bytes.Length);
}
internal static IPAddress MapToFamily(this IPAddress address, AddressFamily family)
{
switch (family)
{
case AddressFamily.InterNetworkV6:
return address.MapToIPv6();
case AddressFamily.InterNetwork:
return address.MapToIPv4();
default:
throw new Exception($"Unsupported address family: {family}");
}
}
/// <summary>
/// Copies from <paramref name="src"/> to <paramref name="dst"/>. Maps to an IPv6 address
/// </summary>
/// <param name="src">Source.</param>
/// <param name="dst">Destination.</param>
internal static void CopyEndpoint(IPEndPoint src, IPEndPoint dst)
{
dst.Port = src.Port;
if (src.AddressFamily == AddressFamily.InterNetwork)
dst.Address = src.Address.MapToIPv6();
else
dst.Address = src.Address;
}
internal static IPEndPoint MapToFamily(this IPEndPoint endpoint, AddressFamily family)
{
return endpoint.Address.AddressFamily == family
? endpoint
: new IPEndPoint(endpoint.Address.MapToFamily(family), endpoint.Port);
}
/// <summary>
/// Maps the IPEndPoint object to an IPv6 address. Has allocation
/// </summary>
internal static IPEndPoint MapToIPv6(IPEndPoint endPoint)
{
if (endPoint.AddressFamily == AddressFamily.InterNetwork)
return new IPEndPoint(endPoint.Address.MapToIPv6(), endPoint.Port);
return endPoint;
}
}
}
}