private static double TimeDifferent(DateTime lastDateTime)
{
var time = DateTime.Now - lastDateTime;
MyConsole.Data("TimeDifferent" + time.TotalSeconds);
return(time.TotalSeconds);
}
private async Task CreateMqttClientAsync()
{
// signalr
HubConnection _connection = new HubConnectionBuilder()
.WithUrl(new Uri(_appSettings.SignalrUri))
.WithAutomaticReconnect(new RandomRetryPolicy())
.Build();
// mongodb
MongoClient _mongoClient = new MongoClient(_appSettings.MongoConnection);
IMongoDatabase _db = _mongoClient.GetDatabase(_appSettings.MongoDb);
IMongoCollection <RawData> _rawDatasCollection = _db.GetCollection <RawData>(RAWDATA_SCHEMA);
IMongoCollection <Setting> _settingsCollection = _db.GetCollection <Setting>(SETTING_SCHEMA);
// redis
RedisManagerPool _redisClient = new RedisManagerPool(_appSettings.RedisHost);
MqttFactory factory = new MqttFactory();
// Create a new MQTT client.
var mqttClient = factory.CreateMqttClient();
var options = new MqttClientOptionsBuilder()
.WithTcpServer(_appSettings.Host, _appSettings.Port)
.Build();
// Reconnecting event handler
mqttClient.UseDisconnectedHandler(async e =>
{
MyConsole.Warning("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(5));
try
{
await mqttClient.ConnectAsync(options, CancellationToken.None);
}
catch
{
MyConsole.Error("### RECONNECTING FAILED ###");
}
});
// Message received event handler
// Consuming messages
mqttClient.UseApplicationMessageReceivedHandler(async e =>
{
// RecevicedTopic(e);
if (e.ApplicationMessage.Topic == RPMTopic)
{
await RecevicedRPMTopic(e, _rawDatasCollection, _redisClient);
// emit ve client
await _connection.InvokeAsync(MQTT_SERVER.Constants.Constants.MESSAGE, true);
}
if (e.ApplicationMessage.Topic == SettingTopic)
{
var payload = e.ApplicationMessage.Payload;
string result = Encoding.UTF8.GetString(payload);
MyConsole.Info("#### ### Someone ask for setting ###" + result);
var settingTopicData = JsonConvert.DeserializeObject <SettingTopic>(result);
var settingItem = _settingsCollection.AsQueryable <Setting>().Where(x => x.machineID == settingTopicData.id).FirstOrDefault();
await SettingReplyPublish(mqttClient, settingItem);
}
});
// Connected event handler
mqttClient.UseConnectedHandler(async e =>
{
// Subscribe to topics
await mqttClient.SubscribeAsync(RPMTopic);
await mqttClient.SubscribeAsync(RSSITopic);
await mqttClient.SubscribeAsync(SettingTopic);
// Subscribe all topics
await mqttClient.SubscribeAsync(new MqttTopicFilterBuilder().WithTopic("#").Build());
MyConsole.Data($"### SUBSCRIBED TOPICS ### : ' {SettingTopic} ', ' {RPMTopic} ', ' {RSSITopic} '");
});
mqttClient.DisconnectedHandler = new MqttClientDisconnectedHandlerDelegate(async e =>
{
Console.WriteLine("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(5));
try
{
await mqttClient.ConnectAsync(options);
}
catch
{
Console.WriteLine("### RECONNECTING FAILED ###");
}
});
// Try to connect to MQTT server
try
{
await mqttClient.ConnectAsync(options, CancellationToken.None);
}
catch (Exception exception)
{
Console.WriteLine("### CONNECTING FAILED ###" + Environment.NewLine + exception);
}
}
private async Task RecevicedRPMTopic(MqttApplicationMessageReceivedEventArgs e,
IMongoCollection <RawData> rawDatasCollection,
RedisManagerPool redisClient)
{
using (var client = redisClient.GetClient())
{
var payload = e.ApplicationMessage.Payload;
string result = System.Text.Encoding.UTF8.GetString(payload);
var rpmTopic = JsonConvert.DeserializeObject <RPMTopic>(result);
MyConsole.Data($"RPM data = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
var RPM = client.GetAllEntriesFromHash("RPM");
// Neu chua co trong redis thi vao db tim roi set vao redis
if (RPM.Count == 0)
{
MyConsole.Warning("Chua co trong redis vao db tim cai latest");
var rawData = rawDatasCollection.AsQueryable().Where(x => x.machineID == rpmTopic.i).OrderByDescending(x => x.createddatetime).FirstOrDefault();
// Neu trong db cua co thi gan sequen bang 1 va current vao redis
if (rawData != null)
{
MyConsole.Warning("Tim duoc cai latest gan vao redis");
SetRPMRedis(client, rawData.sequence, rawData.createddatetime);
}
else
{
MyConsole.Warning("Khong duoc cai latest them moi vao sequence 1 va currentdate");
var currentTime = DateTime.Now.ToLocalTime();
int sequence = 1;
await CreateRawDataAsync(rawDatasCollection, new RawData
{
machineID = rpmTopic.i,
RPM = rpmTopic.r,
duration = rpmTopic.d,
sequence = sequence,
createddatetime = currentTime
});
SetRPMRedis(client, sequence, currentTime);
}
MyConsole.Info($"RPM In Redis: {String.Join(",", client.GetAllEntriesFromHash("RPM").Values.ToList())}");
}
else
{
var lastDatetime = RPM.FirstOrDefault(x => x.Key == MQTT_SERVER.Constants.Constants.CREATED_DATE_TIME).Value.ToSafetyString();
var sequence = RPM.FirstOrDefault(x => x.Key == MQTT_SERVER.Constants.Constants.SEQUENCE).Value.ToInt();
var datetime = Convert.ToDateTime(lastDatetime);
var timedifferent = TimeDifferent(datetime);
var sequencetempelseInRedis = sequence;
var sequencetempifInRedis = sequence + 1;
if (timedifferent > 10)
{
MyConsole.Info("#### ### roi vao if ###");
MyConsole.Info("#### ### Sequence trong if ###: " + sequencetempifInRedis);
DateTime currentDate = DateTime.Now;
var rawData = await CreateRawDataAsync(rawDatasCollection, new RawData
{
machineID = rpmTopic.i,
RPM = rpmTopic.r,
duration = rpmTopic.d,
sequence = sequencetempifInRedis,
createddatetime = currentDate
});
SetRPMRedis(client, sequencetempifInRedis, currentDate);
}
else
{
DateTime currentDate = DateTime.Now.ToLocalTime();
MyConsole.Info($"#### ### roi vao if ### {currentDate}");
MyConsole.Info("#### ### Khuay luot moi ###");
MyConsole.Info("#### ### Sequence trong if ###: " + sequencetempelseInRedis);
var rawData = await CreateRawDataAsync(rawDatasCollection, new RawData
{
machineID = rpmTopic.i,
RPM = rpmTopic.r,
duration = rpmTopic.d,
sequence = sequencetempelseInRedis,
createddatetime = currentDate
});;
SetRPMRedis(client, sequencetempelseInRedis, currentDate);
}
}
}
}