public unsafe static void UnregisterChannel(IChannel chnl)
{
bool flag = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
Monitor.Enter(ChannelServices.s_channelLock, ref flag);
if (chnl != null)
{
RegisteredChannelList registeredChannelList = ChannelServices.s_registeredChannels;
int num = registeredChannelList.FindChannelIndex(chnl);
if (-1 == num)
{
throw new RemotingException(Environment.GetResourceString("Remoting_ChannelNotRegistered", new object[]
{
chnl.ChannelName
}));
}
RegisteredChannel[] registeredChannels = registeredChannelList.RegisteredChannels;
RegisteredChannel[] array = new RegisteredChannel[registeredChannels.Length - 1];
IChannelReceiver channelReceiver = chnl as IChannelReceiver;
if (channelReceiver != null)
{
channelReceiver.StopListening(null);
}
int num2 = 0;
int i = 0;
while (i < registeredChannels.Length)
{
if (i == num)
{
i++;
}
else
{
array[num2] = registeredChannels[i];
num2++;
i++;
}
}
if (ChannelServices.perf_Contexts != null)
{
ChannelServices.perf_Contexts->cChannels--;
}
ChannelServices.s_registeredChannels = new RegisteredChannelList(array);
}
ChannelServices.RefreshChannelData();
}
finally
{
if (flag)
{
Monitor.Exit(ChannelServices.s_channelLock);
}
}
}
public static unsafe void UnregisterChannel(IChannel chnl)
{
bool lockTaken = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
Monitor.Enter(ChannelServices.s_channelLock, ref lockTaken);
if (chnl != null)
{
RegisteredChannelList registeredChannelList = ChannelServices.s_registeredChannels;
int channelIndex = registeredChannelList.FindChannelIndex(chnl);
if (-1 == channelIndex)
{
throw new RemotingException(Environment.GetResourceString("Remoting_ChannelNotRegistered", (object)chnl.ChannelName));
}
RegisteredChannel[] registeredChannels = registeredChannelList.RegisteredChannels;
RegisteredChannel[] channels = new RegisteredChannel[registeredChannels.Length - 1];
IChannelReceiver channelReceiver = chnl as IChannelReceiver;
if (channelReceiver != null)
{
channelReceiver.StopListening((object)null);
}
int index1 = 0;
int index2 = 0;
while (index2 < registeredChannels.Length)
{
if (index2 == channelIndex)
{
++index2;
}
else
{
channels[index1] = registeredChannels[index2];
++index1;
++index2;
}
}
if ((IntPtr)ChannelServices.perf_Contexts != IntPtr.Zero)
{
--ChannelServices.perf_Contexts->cChannels;
}
ChannelServices.s_registeredChannels = new RegisteredChannelList(channels);
}
ChannelServices.RefreshChannelData();
}
finally
{
if (lockTaken)
{
Monitor.Exit(ChannelServices.s_channelLock);
}
}
}
internal static unsafe void RegisterChannelInternal(IChannel chnl, bool ensureSecurity)
{
if (chnl == null)
{
throw new ArgumentNullException("chnl");
}
bool lockTaken = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
Monitor.Enter(ChannelServices.s_channelLock, ref lockTaken);
string channelName = chnl.ChannelName;
RegisteredChannelList registeredChannelList = ChannelServices.s_registeredChannels;
if (channelName == null || channelName.Length == 0 || -1 == registeredChannelList.FindChannelIndex(chnl.ChannelName))
{
if (ensureSecurity)
{
ISecurableChannel securableChannel = chnl as ISecurableChannel;
if (securableChannel != null)
{
securableChannel.IsSecured = ensureSecurity;
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_Channel_CannotBeSecured", (object)(chnl.ChannelName ?? chnl.ToString())));
}
}
RegisteredChannel[] registeredChannels = registeredChannelList.RegisteredChannels;
RegisteredChannel[] channels = registeredChannels != null ? new RegisteredChannel[registeredChannels.Length + 1] : new RegisteredChannel[1];
if (!ChannelServices.unloadHandlerRegistered && !(chnl is CrossAppDomainChannel))
{
AppDomain.CurrentDomain.DomainUnload += new EventHandler(ChannelServices.UnloadHandler);
ChannelServices.unloadHandlerRegistered = true;
}
int channelPriority = chnl.ChannelPriority;
int index;
for (index = 0; index < registeredChannels.Length; ++index)
{
RegisteredChannel registeredChannel = registeredChannels[index];
if (channelPriority > registeredChannel.Channel.ChannelPriority)
{
channels[index] = new RegisteredChannel(chnl);
break;
}
channels[index] = registeredChannel;
}
if (index == registeredChannels.Length)
{
channels[registeredChannels.Length] = new RegisteredChannel(chnl);
}
else
{
for (; index < registeredChannels.Length; ++index)
{
channels[index + 1] = registeredChannels[index];
}
}
if ((IntPtr)ChannelServices.perf_Contexts != IntPtr.Zero)
{
++ChannelServices.perf_Contexts->cChannels;
}
ChannelServices.s_registeredChannels = new RegisteredChannelList(channels);
ChannelServices.RefreshChannelData();
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_ChannelNameAlreadyRegistered", (object)chnl.ChannelName));
}
}
finally
{
if (lockTaken)
{
Monitor.Exit(ChannelServices.s_channelLock);
}
}
}
internal unsafe static void RegisterChannelInternal(IChannel chnl, bool ensureSecurity)
{
if (chnl == null)
{
throw new ArgumentNullException("chnl");
}
bool flag = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
Monitor.Enter(ChannelServices.s_channelLock, ref flag);
string channelName = chnl.ChannelName;
RegisteredChannelList registeredChannelList = ChannelServices.s_registeredChannels;
if (channelName != null && channelName.Length != 0 && -1 != registeredChannelList.FindChannelIndex(chnl.ChannelName))
{
throw new RemotingException(Environment.GetResourceString("Remoting_ChannelNameAlreadyRegistered", new object[]
{
chnl.ChannelName
}));
}
if (ensureSecurity)
{
ISecurableChannel securableChannel = chnl as ISecurableChannel;
if (securableChannel == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Channel_CannotBeSecured", new object[]
{
chnl.ChannelName ?? chnl.ToString()
}));
}
securableChannel.IsSecured = ensureSecurity;
}
RegisteredChannel[] registeredChannels = registeredChannelList.RegisteredChannels;
RegisteredChannel[] array;
if (registeredChannels == null)
{
array = new RegisteredChannel[1];
}
else
{
array = new RegisteredChannel[registeredChannels.Length + 1];
}
if (!ChannelServices.unloadHandlerRegistered && !(chnl is CrossAppDomainChannel))
{
AppDomain.CurrentDomain.DomainUnload += ChannelServices.UnloadHandler;
ChannelServices.unloadHandlerRegistered = true;
}
int channelPriority = chnl.ChannelPriority;
int i;
for (i = 0; i < registeredChannels.Length; i++)
{
RegisteredChannel registeredChannel = registeredChannels[i];
if (channelPriority > registeredChannel.Channel.ChannelPriority)
{
array[i] = new RegisteredChannel(chnl);
break;
}
array[i] = registeredChannel;
}
if (i == registeredChannels.Length)
{
array[registeredChannels.Length] = new RegisteredChannel(chnl);
}
else
{
while (i < registeredChannels.Length)
{
array[i + 1] = registeredChannels[i];
i++;
}
}
if (ChannelServices.perf_Contexts != null)
{
ChannelServices.perf_Contexts->cChannels++;
}
ChannelServices.s_registeredChannels = new RegisteredChannelList(array);
ChannelServices.RefreshChannelData();
}
finally
{
if (flag)
{
Monitor.Exit(ChannelServices.s_channelLock);
}
}
}
