private void Stream(string hashTag)
{
logger.Info("Start Streaming Hash: {0}", hashTag);
string resourceUrl = Twitter.STREAMING_API_V1_1 + "statuses/filter.json";
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(resourceUrl);
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.Timeout = -1;
// This is the content
var postData = new List<KeyValuePair<string, string>>();
postData.Add(new KeyValuePair<string, string>("track", hashTag));
// sign Request
OAuthParameters oAuthParameters = new OAuthParameters(this.authorization,
resourceUrl,
postData,
new List<KeyValuePair<string, string>>());
OauthHeader oauthHeader = new OauthHeader(oAuthParameters);
webRequest.Headers.Add("Authorization", oauthHeader.ToString());
webRequest.AddPostData(postData);
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
var webResponse = (HttpWebResponse)webRequest.GetResponse();
var responseStream = new StreamReader(webResponse.GetResponseStream(), encode);
logger.Info("Stream Initialized. Entering listening mode...");
this.processor.SetStartTime();
//Read the stream.
while (!this.cancel)
{
string jsonText = responseStream.ReadLine();
logger.Debug("Recieved from twitter:" + jsonText);
this.processor.Process(jsonText);
}
this.processor.SetEndTime();
//Abort is needed or responseStream.Close() will hang.
webRequest.Abort();
responseStream.Close();
webResponse.Close();
this.Canceled = true;
}
private static OAuthParameters TestOAuthParameters()
{
KeyValuePair<string, string> body = new KeyValuePair<string, string>(
"status", "Hello Ladies + Gentlemen, a signed OAuth request!");
KeyValuePair<string, string> urlParam = new KeyValuePair<string, string>("include_entities", "true");
// sample from twitter
OauthAuthorization oauthAuthorization = new OauthAuthorization(
"xvz1evFS4wEEPTGEFPHBog", "kAcSOqF21Fu85e7zjz7ZN2U4ZRhfV3WpwPAoE3Z7kBw", "370773112-GmHxMAgYyLbNEtIKZeRNFsMKPR9EyMZeS9weJAEb", "LswwdoUaIvS8ltyTt5jkRh4J50vUPVVHtR2YPi5kE");
OAuthParameters oAuthParameters = new OAuthParameters(
oauthAuthorization,
"https://api.twitter.com/1/statuses/update.json",
new List<KeyValuePair<string, string>>() { body },
new List<KeyValuePair<string, string>>() { urlParam });
// override with sample data.
oAuthParameters.TimeStamp = "1318622958";
oAuthParameters.Nonce = "kYjzVBB8Y0ZFabxSWbWovY3uYSQ2pTgmZeNu2VS4cg";
return oAuthParameters;
}
public OauthHeader(OAuthParameters oAuthParameters)
{
this.parameters = oAuthParameters;
}