public SendForm()
{
InitializeComponent();
_pingDic = new Dictionary <string, PingInfo>();
_syncContext = SynchronizationContext.Current;
_mqttClientHelper = new MqttClientUtil.MqttClientHelper();
_sendMessageHelper = new SendMessageHelper();
_recvMessageHelper = new MessageHelper();
_mqttMsgHandler = new SendMqttMsgHandler();
_mqttClientHelper.OnMqttConnect += OnMqttConnect;
_mqttClientHelper.OnMqttMessage += OnMqttRecvMessage;
_mqttClientHelper.OnErrorMessage += OnMqttErrorMessage; //MQTT错误消息
_sendMessageHelper.OnSendMessage += OnMqttSendMessage;
_recvMessageHelper.OnMessage += OnRecvMessage;
_mqttMsgHandler.OnLogMsg += OnLogMsg;
_mqttMsgHandler.OnErrorMsg += OnErrorMsg;
_mqttMsgHandler.OnPublishMsg += OnPublishMsg;
_mqttMsgHandler.OnPangMsg += OnPangMsg;
_mqttClientHelper.InitMqttParas(
MqttClientConstants.MqttClientSendTopic,
MqttClientConstants.MqttClientRecvTopic,
MqttClientConstants.MqttClientHeartbeatTopic,
MqttMessageHandler.GetWillMessage());
_recvMessageHelper.Start();
_mqttMsgHandler.Init();
}
public MqttHandler(IConfiguration config, IHubContext <MessageHub> hubContext, IGamerContextMethods gamerStorage)
{
Id = Guid.NewGuid();
_config = config;
_hubContext = hubContext;
_gamerStorage = gamerStorage;
var key = _config.GetValue <string>("MqttSettings:BrokerUri");
_messageHandler = new MqttMessageHandler(key);
_messageHandler.Subscribe(Topics.ScoreUpdate);
_messageHandler.MqttMsgPublishReceived += _messageHandler_MqttMsgPublishReceived;
}
private void Channel_OnReceive(object sender, ChannelReceivedEventArgs args)
{
MqttMessage msg = MqttMessage.DecodeMessage(args.Message);
MqttMessageHandler handler = MqttMessageHandler.Create(session, msg);
MqttMessage response = handler.ProcessAsync().GetAwaiter().GetResult();
if (response != null)
{
channel.SendAsync(response.Encode()).GetAwaiter();
}
}
private async Task ProcessMessageAsync(MqttMessage message)
{
try
{
MqttMessageHandler handler = MqttMessageHandler.Create(session, message);
MqttMessage msg = await handler.ProcessAsync();
if (msg != null)
{
await Channel.SendAsync(msg.Encode());
}
}
catch (Exception ex)
{
logger.LogError(ex, $"MQTT adapter ProcessMessageAsync error on channel '{Channel.Id}'.");
OnError.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
}
}
private void Channel_OnReceive(object sender, ChannelReceivedEventArgs args)
{
MqttMessage msg = MqttMessage.DecodeMessage(args.Message);
MqttMessageHandler handler = MqttMessageHandler.Create(session, msg, dispatcher);
try
{
MqttMessage message = handler.ProcessAsync().GetAwaiter().GetResult();
if (message != null)
{
channel.SendAsync(message.Encode()).GetAwaiter();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Trace.TraceError(ex.Message);
OnChannelError?.Invoke(this, new ChannelErrorEventArgs(channel.Id, ex));
}
//Task task = Task.Factory.StartNew(async () =>
//{
// try
// {
// MqttMessage message = await handler.ProcessAsync();
// if (message != null)
// {
// await channel.SendAsync(message.Encode());
// }
// }
// catch(Exception ex)
// {
// Console.WriteLine(ex.Message);
// Trace.TraceError(ex.Message);
// }
//});
//Task.WaitAll(task);
//if (task.Exception != null)
//{
// OnChannelError?.Invoke(this, new ChannelErrorEventArgs(channel.Id, task.Exception.InnerException));
//}
}
private void Channel_OnReceive(object sender, ChannelReceivedEventArgs args)
{
MqttMessage msg = MqttMessage.DecodeMessage(args.Message);
MqttMessageHandler handler = MqttMessageHandler.Create(session, msg, dispatcher);
try
{
MqttMessage message = handler.ProcessAsync().GetAwaiter().GetResult();
if (message != null)
{
Channel.SendAsync(message.Encode()).GetAwaiter();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Trace.TraceError(ex.Message);
OnChannelError?.Invoke(this, new ChannelErrorEventArgs(Channel.Id, ex));
}
}
private static void MqttTests()
{
var client = new MqttMessageHandler("tpg-hackathon.westeurope.cloudapp.azure.com");//new MqttMessageHandler("169.254.151.119");
client.MqttMsgPublishReceived += PublishReceived;
var gamerId = Guid.NewGuid();
client.Subscribe(Topics.Gamer);
var packmanPlayer = new Gamer()
{
Id = gamerId,
};
client.Publish <Gamer>(Topics.Gamer, packmanPlayer);
client.Subscribe(Topics.Score);
var score = new Score(gamerId, 1337);
client.Publish <Score>(Topics.Score, score);
}
/// <summary>
/// Processes a receive MQTT message and a response or null (no response).
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public async Task <MqttMessage> ReceiveAsync(MqttMessage message)
{
MqttMessageHandler handler = MqttMessageHandler.Create(this, message);
return(await handler.ProcessAsync());
}
