/// <inheritdoc/>
public void ApplyVirtualHosts(Guid clientId, params KeyValuePair <Guid, VirtualHostSetting>[] settings)
{
var existed = clients.TryGetValue(clientId, out var currentSettingId);
if (settings == null || settings.Length == 0)
{
if (!existed || currentSettingId != Guid.Empty)
{
clients.AddOrUpdate(clientId, Guid.Empty, (i, j) => Guid.Empty);
if (IsStarted)
{
SendingRefreshClient(clientId, null);
}
if (existed)
{
clientTable.ClearVirtualHosts(clientId);
}
}
}
else
{
int length = settings.Length;
if (length > 65536)
{
throw new InvalidDataException("Too many (>64k) settings applied.");
}
var newSettingId = Guid.NewGuid();
clients.AddOrUpdate(clientId, newSettingId, (i, j) => newSettingId);
if (IsStarted)
{
byte[] newSetting = BuildSettingData(newSettingId, settings);
SendingRefreshClient(clientId, newSetting);
}
clientTable.AddOrUpdate(clientId, newSettingId, settings);
}
}
/// <inheritdoc/>
void IRemoteHubAdapter.ApplyVirtualHosts(Guid clientId, params KeyValuePair <Guid, VirtualHostSetting>[] settings)
{
var currentSetting = clientTable.Get(clientId);
var existed = currentSetting != null;
if (existed && (settings == null || settings.Length == 0))
{
if (currentSetting.IsVirtualHostsDisabled)
{
return;
}
else
{
clientTable.ClearVirtualHosts(clientId);
if (isStarted && RemoteClientUpdated != null)
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
}
else if (settings == null || settings.Length == 0)
{
clientTable.AddOrUpdate(clientId);
if (isStarted && RemoteClientUpdated != null)
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
else
{
var newSettingId = Guid.NewGuid();
clientTable.AddOrUpdate(clientId, newSettingId, settings);
if (isStarted && RemoteClientUpdated != null)
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, newSettingId, settings));
}
}
}
void OnMainChannelReceived(RedisChannel channel, RedisValue value)
{
var texts = ((string)value).Split(':');
if (texts[0] == "v1")
{
if (texts[1] == "Refresh")
{
var clientId = Guid.Parse(texts[2]);
var seconds = int.Parse(texts[3]);
clientTable.AddOrRefresh(clientId, seconds, out var currentVirtualHostSettingId, out bool isNewCreated);
if (texts[4] != "")
{
Guid virtualHostId = Guid.Parse(texts[4]);
if (currentVirtualHostSettingId != virtualHostId)
{
//new created with having-virtual-host
MainChannelPublishing("v1:NeedRefreshFull:" + texts[2]);
//delay sending RemoteClientUpdated until RefreshFull received.
}
}
else
{
if (currentVirtualHostSettingId != Guid.Empty)
{
//From having-virtual-host state to no-virtual-host state
clientTable.ClearVirtualHosts(clientId);
if (RemoteClientUpdated != null && !IsSelf(clientId))
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
else if (isNewCreated)
{
//new created with no-virtual-host
if (RemoteClientUpdated != null && !IsSelf(clientId))
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
}
}
else if (texts[1] == "RefreshFull")
{
var clientId = Guid.Parse(texts[2]);
var seconds = int.Parse(texts[3]);
clientTable.AddOrRefresh(clientId, seconds, out var currentVirtualHostSettingId, out bool isNewCreated);
if (texts[4] != "")
{
Guid virtualHostId = Guid.Parse(texts[4]);
if (currentVirtualHostSettingId != virtualHostId)
{
//From no-virtual-host state to having-virtual-host state, or change virtual host setting
var setting = clientTable.ApplyVirtualHosts(clientId, virtualHostId, texts[5]);
if (RemoteClientUpdated != null && !IsSelf(clientId))
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, virtualHostId, setting.ToArray()));
}
}
}
else
{
if (currentVirtualHostSettingId != Guid.Empty)
{
clientTable.ClearVirtualHosts(clientId);
//From having-virtual-host state to no-virtual-host state
if (RemoteClientUpdated != null && !IsSelf(clientId))
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
else if (isNewCreated)
{
//new created with no-virtual-host
if (RemoteClientUpdated != null && !IsSelf(clientId))
{
RemoteClientUpdated(this, new ClientWithVirtualHostSettingEventArgs(clientId, Guid.Empty, null));
}
}
}
}
else if (texts[1] == "Hello")
{
needRefreshFull = true;
var old = updatingRedisWaitingCancellation;
updatingRedisWaitingCancellation = new CancellationTokenSource();
old.Cancel();
}
else if (texts[1] == "NeedRefreshFull")
{
var clientId = Guid.Parse(texts[2]);
string refreshText;
if (clients.TryGetValue(clientId, out var client))
{
refreshText = client.CommandTextRefreshFull;
}
else
{
refreshText = null;
}
if (refreshText != null)
{
MainChannelPublishing(refreshText);
}
}
else if (texts[1] == "Shutdown")
{
var clientId = Guid.Parse(texts[2]);
if (!IsSelf(clientId) && clientTable.Remove(clientId) && RemoteClientRemoved != null)
{
RemoteClientRemoved(this, new ClientIdEventArgs(clientId));
}
}
}
}
