public static Task SubscribeAsync(
this ManagedMqttClient managedMqttClient,
string topic,
MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce)
{
if (managedMqttClient == null)
{
throw new ArgumentNullException(nameof(managedMqttClient));
}
if (topic == null)
{
throw new ArgumentNullException(nameof(topic));
}
return(managedMqttClient.SubscribeAsync(
new List <MqttTopicFilter>
{
new MqttTopicFilterBuilder().WithTopic(topic).WithQualityOfServiceLevel(qualityOfServiceLevel).Build()
}));
}
public void init()
{
IncidentType = Environment.GetEnvironmentVariable("INCIDENT_TYPE");
copApiBasePath = Environment.GetEnvironmentVariable("COP_API_BASE_PATH");
copApiBasePathHub = Environment.GetEnvironmentVariable("COP_API_BASE_PATH_HUB");
copAuthToken = Environment.GetEnvironmentVariable("COP_AUTH_TOKEN");
string signalR = Environment.GetEnvironmentVariable("signalR");
string OnlySignalR = Environment.GetEnvironmentVariable("useOnlySignalR");
string smqttDebug = Environment.GetEnvironmentVariable("mqttDebug");
GOSTQuery = Environment.GetEnvironmentVariable("GOSTQuery");
string tmp = Environment.GetEnvironmentVariable("OGCServerBaseURL");
if (tmp == null || tmp == "")
{
System.Console.WriteLine("Warning:Missing OGCServerBaseURL env variable.");
}
else
{
OGCServerBaseURL = tmp;
}
tmp = Environment.GetEnvironmentVariable("OGCServerUID");
if (tmp == null || tmp == "")
{
System.Console.WriteLine("Warning:Missing OGCServerUID env variable.");
}
else
{
OGCServerUID = tmp;
}
tmp = Environment.GetEnvironmentVariable("OGCServerPwd");
if (tmp == null || tmp == "")
{
System.Console.WriteLine("Warning:Missing OGCServerPwd env variable.");
}
else
{
OGCServerPwd = tmp;
}
tmp = Environment.GetEnvironmentVariable("OGCMQTTPrefix");
if (tmp == null || tmp == "")
{
System.Console.WriteLine("Warning:Missing OGCMQTTPrefix env variable.");
}
else
{
OGCMQTTPrefix = tmp;
}
tmp = Environment.GetEnvironmentVariable("IncidentType");
if (tmp == null || tmp == "")
{
System.Console.WriteLine("Warning:Missing IncidentType env variable.");
}
else
{
IncidentType = tmp;
}
if (signalR != null && signalR != "")
{
usesignalR = bool.Parse(signalR);
}
if (OnlySignalR != null && OnlySignalR != "")
{
useOnlySignalR = bool.Parse(OnlySignalR);
}
if (smqttDebug != null && smqttDebug != "")
{
mqttDebug = bool.Parse(smqttDebug);
}
//Find Datastreams to listen to
XmlDocument xDoc = null;
string JsonResult = "";
WebClient client = new WebClient();
try
{
string url = OGCServerBaseURL + "Datastreams?" + GOSTQuery;
client.Encoding = System.Text.Encoding.UTF8;
client.Headers["Accept"] = "application/json";
client.Headers["Content-Type"] = "application/json";
NetworkCredential myCreds = new NetworkCredential(OGCServerUID, OGCServerPwd);
client.Credentials = myCreds;
JsonResult = client.DownloadString(url);
xDoc = JsonConvert.DeserializeXmlNode(JsonResult, "Root");
}
catch (WebException exception)
{
System.Console.WriteLine("Datastreams?$filter failed:" + exception.Message);
}
if (xDoc != null)
{
XmlNodeList foundOGCThings = xDoc.SelectNodes(".//value");
foreach (XmlNode foundOGCThing in foundOGCThings)
{
//Extract id and Observation link
string observationUrl = foundOGCThing.SelectSingleNode("Observations_x0040_iot.navigationLink").InnerText;
//Observation stream is the last part of the observationUrl http://monappdwp3.monica-cloud.eu:5050/gost_leeds/v1.0/Datastreams(3)/Observations
string[] parsedUrl = observationUrl.Split("/");
string observationTopic = OGCMQTTPrefix + "/" + parsedUrl[parsedUrl.GetUpperBound(0) - 1] + "/" + parsedUrl[parsedUrl.GetUpperBound(0)];
datastreams.Add(observationTopic);
}
}
//Read sensor position for environment incidents
if (IncidentType == "EnvironmentIncident")
{
//Fetch all datastreams that we want to handle
string thingtype = "Windspeed";
System.Console.WriteLine("Fetching:" + thingtype);
string JsonThingResult = "";
WebClient wclient = new WebClient();
try
{
wclient.Encoding = System.Text.Encoding.UTF8;
wclient.Headers["Accept"] = "application/json";
wclient.Headers["Content-Type"] = "application/json";
wclient.Headers["Authorization"] = copAuthToken;
string urn = copApiBasePath + "things?thingType=" + thingtype.Replace(" ", "%20");
JsonThingResult = wclient.DownloadString(urn);
}
catch (WebException exception)
{
System.Console.WriteLine("Invokation error" + copApiBasePath + "things " + exception.Message);
}
string InnerText = JsonThingResult;
// Build x-ref of thingId, personId, ZoneId mapped to topic.
InnerText = "{Kalle:" + InnerText + "}";
xSensors = JsonConvert.DeserializeXmlNode(InnerText, "Root");
}
//Start DB Connect
IO.Swagger.DatabaseInterface.DBObservation dbO = new IO.Swagger.DatabaseInterface.DBObservation();
string error = "";
dbO.ListObs(2, ref error);
//Add the data streams we listen to.
//How to listen for fighting?
//How to listen to Button Pressed?
//Setup SignalR
connection = new HubConnectionBuilder()
.WithUrl(copApiBasePathHub + "signalR/COPUpdate")
.Build();
connection.StartAsync().Wait();
// Setup and start a managed MQTT client.
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(System.Guid.NewGuid().ToString())
.WithKeepAlivePeriod(TimeSpan.FromSeconds(120))
.WithCommunicationTimeout(TimeSpan.FromSeconds(60))
//.WithCredentials("sm_user", "hemligt")
.WithTcpServer("192.168.229.101")
.Build())
.Build();
ml = (MQTTnet.Extensions.ManagedClient.ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
foreach (string topic in datastreams)
{
ml.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build());
}
//ml.ApplicationMessageReceived += (s, e) =>
//{
// Console.WriteLine($"+ Topic = {e.ApplicationMessage.Topic}");
// SaveToDB(DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ss.fff"), e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload)); ;
//};
ml.ApplicationMessageReceivedHandler =
new MqttApplicationMessageReceivedHandlerDelegate(e =>
{
if (IncidentType == "SoundIncident")
{
ManageSoundIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
}
if (IncidentType == "CrowdIncident")
{
ManageCrowdIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
}
if (IncidentType == "QueueIncident")
{
ManageQueueIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
}
if (IncidentType == "EnvironmentIncident")
{
ManageEnvironmentIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
}
if (IncidentType == "OverCrowding" || IncidentType == "ObjectDetection" || IncidentType == "PeopleFlow" || IncidentType == "FightDetected")
{
ManageCameraIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
}
//if (e.ApplicationMessage.Topic.StartsWith("/DSS/"))
// ManageDSSIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
//if (e.ApplicationMessage.Topic.StartsWith("GOST/"))
// ManageDSSIncident(e.ApplicationMessage.Topic, Encoding.UTF8.GetString(e.ApplicationMessage.Payload));
});
if (mqttDebug)
{
MQTTnet.Diagnostics.MqttNetGlobalLogger.LogMessagePublished += (s, e) =>
{
var trace = $">> [{e.TraceMessage.Timestamp:O}] [{e.TraceMessage.ThreadId}] [{e.TraceMessage.Source}] [{e.TraceMessage.Level}]: {e.TraceMessage.Message}";
if (e.TraceMessage.Exception != null)
{
trace += Environment.NewLine + e.TraceMessage.Exception.ToString();
}
CultureInfo ci = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture("sv-SE");
string fileName = "MQTT" + DateTime.Now.ToShortDateString() + ".txt";
string logFolder = "." + Path.DirectorySeparatorChar;
FileStream w = File.Open(logFolder + fileName, System.IO.FileMode.Append, System.IO.FileAccess.Write, System.IO.FileShare.Write);
StreamWriter sw = new StreamWriter(w, System.Text.Encoding.Default);
sw.Write(trace + Environment.NewLine);
sw.Close();
Thread.CurrentThread.CurrentCulture = ci;
};
}
ml.StartAsync(options).Wait();
}
/// <summary>
/// Starts the updater
/// </summary>
public void init()
{
//Read environment settings.
thingtype = Environment.GetEnvironmentVariable("MONICA_THING_TYPE");
copApiBasePath = Environment.GetEnvironmentVariable("COP_API_BASE_PATH");
copApiBasePathHub = Environment.GetEnvironmentVariable("COP_API_BASE_PATH_HUB");
copAuthToken = Environment.GetEnvironmentVariable("COP_AUTH_TOKEN");
string signalR = Environment.GetEnvironmentVariable("signalR");
string OnlySignalR = Environment.GetEnvironmentVariable("useOnlySignalR");
string smqttDebug = Environment.GetEnvironmentVariable("mqttDebug");
string aggregateString = Environment.GetEnvironmentVariable("aggregate");
if (signalR != null && signalR != "")
{
usesignalR = bool.Parse(signalR);
}
if (OnlySignalR != null && OnlySignalR != "")
{
useOnlySignalR = bool.Parse(OnlySignalR);
}
if (smqttDebug != null && smqttDebug != "")
{
mqttDebug = bool.Parse(smqttDebug);
}
if (aggregateString != null && aggregateString != "")
{
aggregate = bool.Parse(aggregateString);
}
// Start DB Connect and make a simple query to initialize it
IO.Swagger.DatabaseInterface.DBObservation dbO = new IO.Swagger.DatabaseInterface.DBObservation();
string error = "";
dbO.ListObs(2, ref error);
//Fetch all datastreams that we want to handle
System.Console.WriteLine("Fetching:" + thingtype);
string JsonResult = "";
WebClient wclient = new WebClient();
try
{
wclient.Encoding = System.Text.Encoding.UTF8;
wclient.Headers["Accept"] = "application/json";
wclient.Headers["Content-Type"] = "application/json";
wclient.Headers["Authorization"] = copAuthToken;
JsonResult = wclient.DownloadString(copApiBasePath + "thingsWithObservation?thingType=" + thingtype.Replace(" ", "%20"));
}
catch (WebException exception)
{
System.Console.WriteLine("Invokation error" + copApiBasePath + "thingsWithObservation " + exception.Message);
}
string InnerText = JsonResult;
// Build x-ref of thingId, personId, ZoneId mapped to topic.
InnerText = "{Kalle:" + InnerText + "}";
XmlDocument xDoc = JsonConvert.DeserializeXmlNode(InnerText, "Root");
XmlNodeList Obs = xDoc.SelectNodes("//observations");
int i = 0;
foreach (XmlNode ob in Obs)
{
// If there are limits to the number of devices, be sure to keep inside them.
if (i >= settings.deviceStartIndex && i < settings.deviceEndIndex)
{
int personId = -1;
int zoneId = -1;
XmlNode xThingId = ob.SelectSingleNode("./thingId");
if (xThingId != null)
{
int thingId = int.Parse(xThingId.InnerText);
XmlNode xPersonid = ob.SelectSingleNode("./personid");
if (xPersonid.InnerText != "" && xPersonid.InnerText != "null")
{
personId = int.Parse(xPersonid.InnerText);
}
XmlNode xZoneid = ob.SelectSingleNode("./zoneid");
if (xZoneid.InnerText != "")
{
zoneId = int.Parse(xZoneid.InnerText);
}
XmlNode xStreamIdPlusMore = ob.SelectSingleNode("./datastreamId");
string streamId = xStreamIdPlusMore.InnerText.Substring(0, xStreamIdPlusMore.InnerText.IndexOf(":"));
XmlNode xStreamType = ob.SelectSingleNode("./type");
string streamType = xStreamType.InnerText;
if (!ThingsFromDataStreams.ContainsKey(streamId) && (streamType == "AGGREGATE" && aggregate))
{
ThingsFromDataStreams.Add(streamId, thingId);
datastreams.Add(streamId);
}
if (!ThingsFromDataStreams.ContainsKey(streamId) && (streamType != "AGGREGATE" && !aggregate))
{
ThingsFromDataStreams.Add(streamId, thingId);
datastreams.Add(streamId);
}
if (personId > 0)
{
if (!PeopleFromDataStreams.ContainsKey(streamId))
{
PeopleFromDataStreams.Add(streamId, personId);
}
}
if (zoneId > 0)
{
if (!ZoneFromDataStreams.ContainsKey(streamId))
{
ZoneFromDataStreams.Add(streamId, zoneId);
}
}
}
}
i++;
}
//ThingsFromDataStreams.Add("CrowdHeatmap", 650);
//datastreams.Add("CrowdHeatmap");
_logger.LogError("COPUpdater listening to " + datastreams.Count.ToString());
//Setup SignalR
connection = new HubConnectionBuilder()
.WithUrl(copApiBasePathHub + "signalR/COPupdate")
.Build();
connection.StartAsync().Wait();
connection.Closed += async(berr) =>
{
await Task.Delay(new Random().Next(0, 5) * 1000);
await connection.StartAsync();
};
ml = (ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
// Setup and start a managed MQTT client.
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(System.Guid.NewGuid().ToString())
.WithKeepAlivePeriod(TimeSpan.FromSeconds(120))
.WithCommunicationTimeout(TimeSpan.FromSeconds(60))
//.WithCredentials("mosquitto", "mosquitto")
//.WithTcpServer("monappdwp5.monica-cloud.eu")
.WithTcpServer("127.0.0.1")
.Build())
.Build();
ml = (ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
if (mqttDebug)
{
MQTTnet.Diagnostics.MqttNetGlobalLogger.LogMessagePublished += (s, e) =>
{
var trace = $">> [{e.TraceMessage.Timestamp:O}] [{e.TraceMessage.ThreadId}] [{e.TraceMessage.Source}] [{e.TraceMessage.Level}]: {e.TraceMessage.Message}";
if (e.TraceMessage.Exception != null)
{
trace += Environment.NewLine + e.TraceMessage.Exception.ToString();
}
CultureInfo ci = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture("sv-SE");
string fileName = "MQTT" + DateTime.Now.ToShortDateString() + ".txt";
string logFolder = "." + Path.DirectorySeparatorChar;
FileStream w = File.Open(logFolder + fileName, System.IO.FileMode.Append, System.IO.FileAccess.Write, System.IO.FileShare.Write);
StreamWriter sw = new StreamWriter(w, System.Text.Encoding.Default);
sw.Write(trace + Environment.NewLine);
sw.Close();
Thread.CurrentThread.CurrentCulture = ci;
};
}
foreach (string topic in datastreams)
{
ml.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build());
}
ml.ApplicationMessageReceivedHandler =
new MqttApplicationMessageReceivedHandlerDelegate(e =>
{
if (ThingsFromDataStreams.ContainsKey(e.ApplicationMessage.Topic))
{
int thingid = ThingsFromDataStreams[e.ApplicationMessage.Topic];
string observation = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
int?zoneid = null;
if (ZoneFromDataStreams.ContainsKey(e.ApplicationMessage.Topic))
{
zoneid = ZoneFromDataStreams[e.ApplicationMessage.Topic];
}
int?personid = null;
if (PeopleFromDataStreams.ContainsKey(e.ApplicationMessage.Topic))
{
personid = PeopleFromDataStreams[e.ApplicationMessage.Topic];
}
string safeObs = JsonConvert.ToString(observation);
if (thingtype == "incidentreporter")
{
ManageIncidentReporter(observation);
}
else if (thingtype == "button_press")
{
ManageButtonPress(observation);
}
else
{
ProcessNewSensorData(e.ApplicationMessage.Topic, thingid, observation, zoneid, personid);
}
}
});
ml.StartAsync(options).Wait();
}