public async Task Start()
{
try
{
Init();
using (mqConnection)
using (channel)
{
ArraySegment <Byte> buffer = new ArraySegment <byte>(new Byte[8192]);
WebSocketReceiveResult result = await WebSocket.ReceiveAsync(buffer, CancellationToken.None);
while (!result.CloseStatus.HasValue)
{
if (!String.IsNullOrWhiteSpace(WebSocketServiceId))
{
/* 接收訊息 */
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer.Array, buffer.Offset, result.Count);
while (!result.EndOfMessage)
{
ms.Write(buffer.Array, buffer.Offset, result.Count);
result = await WebSocket.ReceiveAsync(buffer, CancellationToken.None);
}
ms.Seek(0, SeekOrigin.Begin);
using (StreamReader reader = new StreamReader(ms, Encoding.UTF8))
{
String message = reader.ReadToEnd();
webSocketManage.SendToService(WebSocketServiceId, message);
AddDialogue(message);
}
}
}
result = await WebSocket.ReceiveAsync(buffer, CancellationToken.None);
}
await WebSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
}
}
catch (Exception)
{
mqConnection.Dispose();
channel.Dispose();
}
/* 向管理器反註冊本體 */
webSocketManage.UnRegisterClient(WebSocketId);
}
public void Init()
{
/* 向管理器註冊本體 */
if (WebSocket != null)
{
while (!webSocketManage.RegisterService(WebSocketId, this))
{
WebSocketId = Guid.NewGuid().ToString();
}
}
/* 初始化 Message Queue */
channel = mqConnection.CreateModel();
channel.QueueDeclare(
queue: "task_queue",
durable: true,
exclusive: false,
autoDelete: false,
arguments: null
);
channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);
EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
/* 如果有在服務用戶，拒絕此次要求 */
if (work)
{
channel.BasicReject(ea.DeliveryTag, true);
return;
}
String body = Encoding.UTF8.GetString(ea.Body);
try
{
data = JsonConvert.DeserializeObject <Dictionary <String, String> >(body);
WebSocketClientId = data["websocketId"];
clientQuestion = data["question"];
clientName = data["name"];
clientMail = data["mail"];
clientPhone = data["phone"];
if (!webSocketManage.SetWebSocketServiceId(WebSocketClientId, WebSocketId))
{
return;
}
webSocketManage.SendToService(WebSocketId, body);
webSocketManage.SendToClient(WebSocketClientId, JsonConvert.SerializeObject(new { Start = true }));
AddDialogue(body);
work = true;
}
catch (Exception)
{
}
finally
{
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
}
};
channel.BasicConsume(queue: "task_queue", autoAck: false, consumer: consumer);
}