private async Task Acceptor(HttpContext hc, Func <Task> n)
{
if (!hc.WebSockets.IsWebSocketRequest)
{
await n.Invoke();
return;
}
var websocket = await hc.WebSockets.AcceptWebSocketAsync();
var client = new WSClient(websocket);
await client.RecieveJoinAsync();
if (!client.IsJoin)
{
return;
}
using (await this.asyncLock.LockAsync())
{
this.clients.AsParallel().ForAll(
x =>
{
// 入室メッセージを送信
x.OnNext(new Message
{
ClientName = "Service",
What = $"{client.ClientName} is conncected.",
RecieveTime = DateTimeOffset.Now
});
// ほかのクライアントと相互接続
x.Subscribe(client);
client.Subscribe(x);
});
// エコーバック
client.Subscribe(client);
// 切断時動作
client.Subscribe(s => { }, async() => await Close(client));
// クライアント登録
this.clients.Add(client);
}
// 受信待機
await client.ReceiveAsync();
}
private async Task Close(WSClient client)
{
using (await this.asyncLock.LockAsync())
{
this.clients.Remove(client);
this.clients.ForEach(
x =>
{
this.clients.ForEach(
y =>
y.OnNext(new Message
{
ClientName = "Service",
What = $"{x.ClientName} is disconnected.",
RecieveTime = DateTimeOffset.Now
}));
});
}
}