/// <summary>
/// Hook up a <see cref="HeadDisconnected"/> delegate that gets called when a client.
/// on the given <see cref="ServerCallContext"/> disconnects.
/// </summary>
/// <param name="serverCallContext">The <see cref="ServerCallContext"/>.</param>
/// <param name="disconnected">The <see cref="HeadDisconnected"/> callback.</param>
public static void OnDisconnected(this ServerCallContext serverCallContext, HeadDisconnected disconnected)
{
var clientIdEntry = serverCallContext.RequestHeaders.SingleOrDefault(_ => _.Key.Equals("clientid", StringComparison.InvariantCultureIgnoreCase));
if (clientIdEntry != null)
{
var clientId = (HeadId)Guid.Parse(clientIdEntry.Value);
var client = ConnectedHeads.GetById(clientId);
if (client != null)
{
client.Disconnected += disconnected;
}
}
}
/// <summary>
/// Hook up a <see cref="HeadDisconnected"/> delegate that gets called when a client.
/// on the given <see cref="ServerCallContext"/> disconnects.
/// </summary>
/// <param name="serverCallContext">The <see cref="ServerCallContext"/>.</param>
/// <param name="disconnected">The <see cref="HeadDisconnected"/> callback.</param>
public static void OnDisconnected(this ServerCallContext serverCallContext, HeadDisconnected disconnected)
{
var headIdEntry = serverCallContext.RequestHeaders.SingleOrDefault(_ => _.Key.Equals($"headid{Metadata.BinaryHeaderSuffix}", StringComparison.InvariantCultureIgnoreCase));
if (headIdEntry != null)
{
var headId = Guid.Parse(headIdEntry.Value);
var head = ConnectedHeads.GetById(headId);
if (head != null)
{
head.Disconnected += disconnected;
}
}
}