/// <summary>
/// Starts the Twitter stream.
/// </summary>
/// <param name="type">Type of streaming.</param>
/// <param name="parameters">The parameters of streaming.</param>
/// <returns>The stream messages.</returns>
public IEnumerable <StreamingMessage> StartStream(StreamingType type, StreamingParameters parameters = null)
{
if (parameters == null)
{
parameters = new StreamingParameters();
}
var url = type == StreamingType.User ? "https://userstream.twitter.com/1.1/user.json" :
type == StreamingType.Site ? " https://sitestream.twitter.com/1.1/site.json " :
type == StreamingType.Filter ? "https://stream.twitter.com/1.1/statuses/filter.json" :
type == StreamingType.Sample ? "https://stream.twitter.com/1.1/statuses/sample.json" :
type == StreamingType.Firehose ? "https://stream.twitter.com/1.1/statuses/firehose.json" : "";
var str = this.Connect(parameters, type == StreamingType.Filter ? MethodType.Post : MethodType.Get, url)
.Where(x => !string.IsNullOrEmpty(x));
foreach (var s in str)
{
StreamingMessage m;
#if !DEBUG
try
{
#endif
m = StreamingMessage.Parse(s);
#if !DEBUG
}
catch
{
m = RawJsonMessage.Create(s);
}
#endif
yield return(m);
}
}
public Task <IEnumerable <StreamingMessage> > StartStreamAsync(StreamingType type, StreamingParameters parameters = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (parameters == null)
{
parameters = new StreamingParameters();
}
return(this.Tokens.SendStreamingRequestAsync(this.GetMethodType(type), this.GetUrl(type), parameters.Parameters, cancellationToken)
.ContinueWith(t =>
{
if (t.IsFaulted)
{
t.Exception.InnerException.Rethrow();
}
return t.Result.GetResponseStreamAsync();
}, cancellationToken)
.Unwrap()
.ContinueWith(t =>
{
if (t.IsFaulted)
{
t.Exception.InnerException.Rethrow();
}
return EnumerateMessages(t.Result);
}, cancellationToken));
}
public IEnumerable <StreamingMessage> StartStream(StreamingType type, StreamingParameters parameters = null)
{
if (parameters == null)
{
parameters = new StreamingParameters();
}
return(this.AccessStreamingApiImpl(type, parameters.Parameters));
}
IEnumerable <string> Connect(StreamingParameters parameters, MethodType type, string url)
{
using (var str = this.Tokens.SendStreamingRequest(type, url, parameters.Parameters))
using (var reader = new StreamReader(str.GetResponseStream()))
foreach (var s in reader.EnumerateLines()
.Where(x => !string.IsNullOrEmpty(x)))
{
yield return(s);
}
}
public Task <IEnumerable <StreamingMessage> > StartStreamAsync(StreamingType type, StreamingParameters parameters = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (parameters == null)
{
parameters = new StreamingParameters();
}
return(this.Tokens.SendStreamingRequestAsync(GetMethodType(type), this.GetUrl(type), parameters.Parameters, cancellationToken)
.Done(res => res.GetResponseStreamAsync(), cancellationToken)
.Unwrap()
.Done(stream => EnumerateMessages(stream), cancellationToken));
}
