/// <summary>
/// Long running task to listen for events
/// </summary>
/// <param name="path">Relative path to Particle Cloud event endpoint</param>
/// <param name="particleEventGroup">ParticleEventGroup to send new events to</param>
/// <returns>Returns Task of long running event task</returns>
protected override async Task ListenForEventAsync(string path, ParticleEventGroup particleEventGroup)
{
var httpListener = new HttpListener();
string eventName = "";
try
{
var url = new Uri($"https://api.particle.io/{path}/?access_token={AccessToken}");
var request = WebRequest.Create(url);
request.Method = "GET";
var task = Task.Factory.StartNew(() => httpListener.Start());
using (var response = await request.GetResponseAsync())
{
using (var stream = response.GetResponseStream())
using (var reader = new StreamReader(stream))
{
while (!reader.EndOfStream && particleEventGroup.HasHandlers)
{
var outputString = reader.ReadLine();
if (outputString.StartsWith("event:"))
{
eventName = outputString.Substring(6).Trim();
}
else if (outputString.StartsWith("data:") && !string.IsNullOrWhiteSpace(eventName))
{
var jsonSerializerSettings = new JsonSerializerSettings()
{
DateTimeZoneHandling = DateTimeZoneHandling.Local
};
var particleEventResponse = JsonConvert.DeserializeObject <ParticleEventResponse>(outputString.Substring(5), jsonSerializerSettings);
particleEventResponse.Name = eventName;
eventName = "";
SynchronizationContextPost(a =>
{
particleEventGroup.NewMessage(this, particleEventResponse);
}, null);
}
}
}
}
}
catch
{
}
httpListener.Stop();
}
/// <summary>
/// Long running task to listen for events
/// </summary>
/// <param name="path">Relative path to Particle Cloud event endpoint</param>
/// <param name="particleEventGroup">ParticleEventGroup to send new events to</param>
/// <returns>Returns Task of long running event task</returns>
protected override async Task ListenForEventAsync(string path, ParticleEventGroup particleEventGroup)
{
string eventName = "";
try
{
using (var client = new HttpClient())
{
var url = new Uri($"https://api.particle.io/{path}/?access_token={AccessToken}");
var request = new HttpRequestMessage(HttpMethod.Get, url);
using (var response = await client.SendRequestAsync(request, HttpCompletionOption.ResponseHeadersRead))
{
using (var stream = await response.Content.ReadAsInputStreamAsync())
using (var reader = new StreamReader(stream.AsStreamForRead()))
{
while (!reader.EndOfStream && particleEventGroup.HasHandlers)
{
var outputString = reader.ReadLine();
if (outputString.StartsWith("event:"))
{
eventName = outputString.Substring(6).Trim();
}
else if (outputString.StartsWith("data:") && !string.IsNullOrWhiteSpace(eventName))
{
var jsonSerializerSettings = new JsonSerializerSettings()
{
DateTimeZoneHandling = DateTimeZoneHandling.Local
};
var particleEventResponse = JsonConvert.DeserializeObject <ParticleEventResponse>(outputString.Substring(5), jsonSerializerSettings);
particleEventResponse.Name = eventName;
eventName = "";
SynchronizationContextPost(a =>
{
particleEventGroup.NewMessage(this, particleEventResponse);
}, null);
}
}
}
}
}
}
catch
{
}
}