public void Start(string track, MatchCondition condition, params Model.Location[] locations)
{
// Filters
if (!string.IsNullOrEmpty(track))
{
_stream.AddTrack(track);
}
if (null != locations && locations.Length > 0)
{
foreach (var location in locations)
{
_stream.AddLocation(
new Coordinates(location.Latitude1, location.Longitude1),
new Coordinates(location.Latitude2, location.Longitude2)
);
}
}
// Start
if (condition == MatchCondition.AnyCondition)
{
_stream.StartStreamMatchingAnyCondition();
}
else
{
_stream.StartStreamMatchingAllConditions();
}
}
private void ListenerThreadFunction()
{
TwitterCredentials.SetCredentials(
ConfigurationManager.AppSettings["token_AccessToken"],
ConfigurationManager.AppSettings["token_AccessTokenSecret"],
ConfigurationManager.AppSettings["token_ConsumerKey"],
ConfigurationManager.AppSettings["token_ConsumerSecret"]);
while (threadRunning)
{
try
{
//var hbase = new HBaseWriter();
stream = Stream.CreateFilteredStream();
var location = Geo.GenerateLocation(-180, -90, 180, 90);
stream.AddLocation(location);
var tweetCount = 0;
var timer = Stopwatch.StartNew();
stream.MatchingTweetReceived += (sender, args) =>
{
tweetCount++;
var tweet = args.Tweet;
// Store indexItem in the buffer
lock (queue)
{
queue.Enqueue(tweet);
}
if (timer.ElapsedMilliseconds > 1000)
{
if (tweet.Coordinates != null)
{
Context.Logger.Info("{0}: {1} {2}", tweet.Id, tweet.Language.ToString(), tweet.Text);
Context.Logger.Info("\tLocation: {0}, {1}", tweet.Coordinates.Longitude, tweet.Coordinates.Latitude);
}
timer.Restart();
Context.Logger.Info("===== Tweets/sec: {0} =====", tweetCount);
tweetCount = 0;
}
};
stream.StartStreamMatchingAllConditions();
}
catch (Exception ex)
{
Context.Logger.Fatal("Exception: {0}", ex.Message);
}
}
}
/// <summary>
/// Starts a Twitter Stream based on the specified geographic coordinates and the now playing hash tag
/// </summary>
/// <param name="latitude1">Latitude of user location (bottom_left)</param>
/// <param name="longitude1">Longitude of user location (bottom_left)</param>
/// <param name="latitude2">Latitude of user location (top_right)</param>
/// <param name="longitude2">Longitude of user location (top_right)</param>
public static async Task StartStream(double latitude1, double longitude1, double latitude2, double longitude2)
{
// Setup Twitter credentials
TweetinviUtilities.SetTwitterCredentials();
// If the stream does not exists...
if (_stream == null)
{
//...then it is started
// Create a filtered stream
_stream = Stream.CreateFilteredStream();
_stream.AddTrack(Constants.NOWPLAYING_HASHTAG); // Lookup for nowplaying hashtag
// OPTIONAL: if you want to see how the feed is updated really quick, just comment the following line of code.
// You will see the effect of "infinite scroll" in the client
_stream.AddLocation(
new Coordinates(latitude1, longitude1),
new Coordinates(latitude2, longitude2)); // Lookup in the specific geographic coordinates
// OPTIONAL: if you want to filter the stream just for a specific user, uncomment the following line of code
//_stream.AddFollow(2834545563);
// Event that handles a matching tweet
_stream.MatchingTweetReceived += async(sender, args) =>
{
// A OEmbed tweet is sent to the client
IOEmbedTweet embedTweet = Tweet.GetOEmbedTweet(args.Tweet);
await _context.Clients.All.updateFeed(embedTweet);
};
// Start the stream matching all conditions
await _stream.StartStreamMatchingAllConditionsAsync();
}
else
{
//... otherwise resume it
_stream.ResumeStream();
}
}
public void StreamTwitter(Action <TweetDto, string> _Update, string _Connection, List <string> tracks, bool enableLocation)
{
cancellationToken = new CancellationTokenSource();
Connection = _Connection;
regex = new Regex(@"(?<=#)\w+");
Login();
Update = _Update;
GetLocation = new OpenStreetMapHelper();
stream = Stream.CreateFilteredStream();
tracks.ForEach(x => stream.AddTrack(x));
if (enableLocation)
{
stream.AddLocation(new Tweetinvi.Models.Coordinates(49.246292, -123.116226), new Tweetinvi.Models.Coordinates(-33.865143, 151.209900));
}
Task.Factory.StartNew(async() => await TweetAnalysis(), cancellationToken.Token);
stream.MatchingTweetReceived += (sender, args) =>
{
Tweets.Push(args.Tweet);
};
stream.StartStreamMatchingAllConditions();
}
private void ListenerThreadFunction()
{
TwitterCredentials.SetCredentials(
ConfigurationManager.AppSettings["token_AccessToken"],
ConfigurationManager.AppSettings["token_AccessTokenSecret"],
ConfigurationManager.AppSettings["token_ConsumerKey"],
ConfigurationManager.AppSettings["token_ConsumerSecret"]);
while (threadRunning)
{
try
{
//var hbase = new HBaseWriter();
stream = Stream.CreateFilteredStream();
var location = Geo.GenerateLocation(-180, -90, 180, 90);
stream.AddLocation(location);
var tweetCount = 0;
var timer = Stopwatch.StartNew();
stream.MatchingTweetReceived += (sender, args) =>
{
tweetCount++;
var tweet = args.Tweet;
// Store indexItem in the buffer
lock (queue)
{
queue.Enqueue(tweet);
}
if (timer.ElapsedMilliseconds > 1000)
{
if (tweet.Coordinates != null)
{
Context.Logger.Info("{0}: {1} {2}", tweet.Id, tweet.Language.ToString(), tweet.Text);
Context.Logger.Info("\tLocation: {0}, {1}", tweet.Coordinates.Longitude, tweet.Coordinates.Latitude);
}
timer.Restart();
Context.Logger.Info("===== Tweets/sec: {0} =====", tweetCount);
tweetCount = 0;
}
};
stream.StartStreamMatchingAllConditions();
}
catch (Exception ex)
{
Context.Logger.Fatal("Exception: {0}", ex.Message);
}
}
}