/// <summary>
/// Posts an event to the event grid service.
/// </summary>
/// <param name="type">Type of the event.</param>
/// <param name="subject">Subject of the event.</param>
/// <param name="payload">Payload for the event.</param>
/// <typeparam name="T">Type of the payload.</typeparam>
/// <returns>Void.</returns>
public Task PostEventGridEventAsync <T>(string type, string subject, T payload)
{
// get the connection details for the Event Grid topic
var topicEndpointUri = new Uri(Environment.GetEnvironmentVariable("EventGridTopicEndpoint"));
var topicEndpointHostname = topicEndpointUri.Host;
var topicKey = Environment.GetEnvironmentVariable("EventGridTopicKey");
var topicCredentials = new TopicCredentials(topicKey);
// prepare the events for submission to Event Grid
var events = new List <Microsoft.Azure.EventGrid.Models.EventGridEvent>
{
new Microsoft.Azure.EventGrid.Models.EventGridEvent
{
Id = Guid.NewGuid().ToString(),
EventType = type,
Subject = subject,
EventTime = DateTime.UtcNow,
Data = payload,
DataVersion = "1",
},
};
// publish the events
using var client = new EventGridClient(topicCredentials);
return(client.PublishEventsWithHttpMessagesAsync(topicEndpointHostname, events));
}
//static HttpClient client = new HttpClient();
//public static async Task SendMessageToEventGridTopicFilterred(EventGridEvent[] allEvents, string sasKey,
// string topicEndpoint)
//{
// client.DefaultRequestHeaders.Add("aeg-sas-key", sasKey);
// client.DefaultRequestHeaders.UserAgent.ParseAdd("democlient");
// var json = JsonConvert.SerializeObject(allEvents);
// var request = new HttpRequestMessage(HttpMethod.Post, topicEndpoint)
// {
// Content = new StringContent(json, Encoding.UTF8, "application/json")
// };
// var response = await client.SendAsync(request);
// if (!response.IsSuccessStatusCode)
// throw new Exception("Unable to send message to event grid");
//}
public static async Task RaiseEventToGridAsync(string topicEndpoint, string topicKey,
string subject, string topic, string eventType, object data)
{
try
{
// https://docs.microsoft.com/en-us/dotnet/api/overview/azure/eventgrid?view=azure-dotnet
var eventGridEvent = new EventGridEvent
{
Subject = subject,
Topic = topic,
EventType = eventType,
EventTime = DateTime.UtcNow,
Id = Guid.NewGuid().ToString(),
Data = data,
DataVersion = "1.0.0",
};
var events = new List <EventGridEvent> {
eventGridEvent
};
var topicHostname = new Uri(topicEndpoint).Host;
var credentials = new TopicCredentials(topicKey);
var client = new EventGridClient(credentials);
await client.PublishEventsWithHttpMessagesAsync(topicHostname, events);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
/// <summary>
/// Notifies Azure EventGrid about the ocurence of an event of Topic
/// </summary>
/// <param name="payload"></param>
/// <returns></returns>
public Task DispatchAsync(T payload)
{
try
{
return(_eventGridClient.PublishEventsWithHttpMessagesAsync(new Uri(_settings.TopicEndpoint).Host,
BuildNotifiableEventStructure(payload)));
}
catch (CloudException e)
{
throw new ReactiveInfrastructureException("Azure EventGrid notification failed, check network availability and configuration", e);
}
}
public async Task SendEventAsync(List <EventGridEvent> listEvents)
{
try
{
var response = await eventGridClient.PublishEventsWithHttpMessagesAsync(eventGridHost, listEvents);
response.Response.EnsureSuccessStatusCode();
}
catch (Exception ex) when(ex is ArgumentNullException ||
ex is InvalidOperationException ||
ex is HttpRequestException)
{
throw new EventException("Exception sending event to eventGrid", ex);
}
}
public async Task <bool> SendAsync(T entity)
{
var topicKey = _options.TopicKey;
var credentials = new TopicCredentials(topicKey);
var client = new EventGridClient(credentials);
var events = CreateEvent(entity);
var response = await client.PublishEventsWithHttpMessagesAsync(
topicHostname : _options.TopicHostName,
events : events
);
return(response.Response.IsSuccessStatusCode);
}
public async Task <bool> Send(string subject, T data)
{
var credentials = new TopicCredentials(this.topicSetting.TopicKey);
var client = new EventGridClient(credentials);
var eventGridEvent = new EventGridEvent
{
Subject = subject,
EventType = "func-event",
EventTime = DateTime.UtcNow,
Id = Guid.NewGuid().ToString(),
Data = data,
DataVersion = "1.0.0"
};
var events = new List <EventGridEvent>();
events.Add(eventGridEvent);
await client.PublishEventsWithHttpMessagesAsync(this.topicSetting.TopicEndPoint, events);
return(true);
}
public async Task SendAsync(DoorEvent doorEvent, string topicName, string topicKey)
{
TopicCredentials credentials = new TopicCredentials(topicKey);
EventGridClient client = new EventGridClient(credentials);
EventGridEvent gridEvent = new EventGridEvent
{
Id = Guid.NewGuid().ToString(),
Subject = "Test subject 1",
EventType = "IOT event",
EventTime = DateTime.UtcNow,
Data = doorEvent,
DataVersion = "1.0.0"
};
List <EventGridEvent> events = new List <EventGridEvent>
{
gridEvent
};
await client.PublishEventsWithHttpMessagesAsync(topicName, events);
}
static async Task MainAsync()
{
var credentials = new TopicCredentials("ZjvlWXjewB4UAu+BikWkV7cw/TJYirWn0SH+mW6UOis=");
var client = new EventGridClient(credentials);
var events = new List <EventGridEvent>();
Stopwatch st = new Stopwatch();
st.Start();
//Prepare data
for (int i = 1; i <= 10; i++)
{
string theSubject = "";
string theGuid = "";
// LA and Functions
/*if (i % 2 == 0)
* {
* theGuid = "Log" + Guid.NewGuid().ToString();
* theSubject = "LogicApps";
* }
* else
* {
* theGuid = "Fun" + Guid.NewGuid().ToString();
* theSubject = "Functions";
* } */
// Relay
theGuid = "Log" + Guid.NewGuid().ToString();
theSubject = "Relay";
var mr = new myRecord
{
theCompany = "USMF",
theCurrency = "USD",
theCustGroup = "10",
CustomerAccount = theGuid
};
var recordData = JsonConvert.SerializeObject(mr);
var eventGridEvent = new EventGridEvent
{
Subject = theSubject,
EventType = "my-event",
EventTime = DateTime.UtcNow,
Id = Guid.NewGuid().ToString(),
Data = recordData,
DataVersion = "1.0.0"
};
events.Add(eventGridEvent);
}
st.Stop();
TimeSpan ts = st.Elapsed;
// Format and display the TimeSpan value.
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
Console.WriteLine("Prepare List elapsed time: " + elapsedTime);
Stopwatch st2 = new Stopwatch();
st2.Start();
// Send
await client.PublishEventsWithHttpMessagesAsync("anothertopic.westus2-1.eventgrid.azure.net", events);
st2.Stop();
TimeSpan ts2 = st2.Elapsed;
// Format and display the TimeSpan value.
string elapsedTime2 = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts2.Hours, ts2.Minutes, ts2.Seconds,
ts2.Milliseconds / 10);
Console.WriteLine("Sending List elapsed time: " + elapsedTime2);
Console.WriteLine("Press any key to exit.");
Console.ReadLine();
}
