static async Task <RunStats> GetTweets(TweetDownloadParameter par)
//static RunStats GetTweets(object arg)
{
int numTweets = 0;
int numRecords = 0;
int numSkippedNonMatch = 0;
int numSkippedNonEnglish = 0;
RunStats rs = new RunStats();
TwitterClient client = par.Client;
WorkItem workItem = par.WorkItem;
List <TweetData> tweetDataList = new List <TweetData>();
rs.Item = workItem;
int numRetries = 0;
try
{
string[] words = LoadWords(workItem.WordsInputFile);
if (words.Length > 0)
{
bool filesOpen = false;
using (StreamWriter swRawJsonFile = new StreamWriter(workItem.RawJsonFiles))
using (StreamWriter swParsedJsonFile = new StreamWriter(workItem.ParsedJsonFile))
{
swRawJsonFile.WriteLine("[");
swParsedJsonFile.WriteLine("[");
filesOpen = true;
ReTry:
var stream = client.Streams.CreateFilteredStream();
for (int i = 0; i < words.Length; i++)
{
words[i] = words[i].Trim();
if (words[i] != "")
{
stream.AddTrack(words[i]);
}
}
DateTime startTime = DateTime.Now;
// this is required for well-formed JSON
stream.MatchingTweetReceived += (sender, eventReceived) =>
{
swRawJsonFile.WriteLine(((numRecords > 0) ? "," : "") + eventReceived.Json);
numRecords++;
if (eventReceived.MatchingTracks.Length > 0)
{
DateTime currentTime = DateTime.Now;
TimeSpan tsElapsed = new TimeSpan(currentTime.Ticks - startTime.Ticks);
ITweet t = eventReceived.Tweet;
TweetData td = new TweetData(workItem.WordsInputFile, eventReceived.MatchingTracks, t, eventReceived.Json);
if (td.Lang == null || td.Lang.Equals("en", StringComparison.InvariantCultureIgnoreCase))
{
string rawJsonString = JsonConvert.SerializeObject(td, Formatting.Indented);
swParsedJsonFile.WriteLine(((numTweets > 0) ? "," : "") + rawJsonString);
numTweets++;
tweetDataList.Add(td);
if (workItem.Verbose)
{
Console.Write($"{workItem.WordsInputFile} {numTweets} received,{numSkippedNonMatch} non-match,{numSkippedNonEnglish} non-English \r");
}
}
else
{
numSkippedNonEnglish++;
}
bool stopNow = (numTweets >= workItem.MaxTweets);
if (workItem.MaxSeconds > 0)
{
stopNow |= (tsElapsed.TotalSeconds > workItem.MaxSeconds);
}
if (stopNow)
{
Console.Write($"{workItem.WordsInputFile} {numTweets} received,{numSkippedNonMatch} non-match,{numSkippedNonEnglish} non-English\n");
stream.Stop();
}
}
else
{
numSkippedNonMatch++;
}
};
try
{
await stream.StartMatchingAnyConditionAsync();
rs.Succeeded = true;
}
catch (Exception ex)
{
ShowMessage($"Exception while in await StartMatchingAnyConditionAsync(): {ex.ToString()}");
if (numRetries < MaxRetriesOnStreamExceptions)
{
numRetries++;
ShowMessage($"{workItem.WordsInputFile} Retry #{numRetries} out of {MaxRetriesOnStreamExceptions}");
Thread.Sleep(5000);
goto ReTry;
}
else
{
ShowMessage($"Out of retries on {workItem.WordsInputFile}");
}
}
if (filesOpen)
{
swRawJsonFile.WriteLine("]");
swParsedJsonFile.WriteLine("]");
swRawJsonFile.Close();
swParsedJsonFile.Close();
}
rs.TweetDataList = tweetDataList;
rs.NumTweets = numTweets;
rs.NumSkippedNonMatch = numSkippedNonMatch;
rs.NumSkippedNonEnglish = numSkippedNonEnglish;
rs.NumRetries = numRetries;
TimeSpan ts = new TimeSpan(DateTime.Now.Ticks - startTime.Ticks);
rs.RunSeconds = (int)Math.Round(ts.TotalSeconds, 0);
if (workItem.MaxSeconds > 0)
{
rs.TimedOut = (ts.TotalSeconds > workItem.MaxSeconds) && (rs.NumTweets < workItem.MaxTweets);
}
}
}
}
catch (Exception ex)
{
ShowMessage($"Exception in GetTweets() {ex.ToString()}");
}
return(rs);
}
static async Task Main(string[] args)
{
// default file name for data to collect
string workItemsFileName = "workitems.txt";
string credsFileName = "twitcreds.txt";
if (args.Length == 1)
{
workItemsFileName = args[0];
}
if (args.Length == 2)
{
credsFileName = args[0];
workItemsFileName = args[1];
}
List <TwitCreds> credsList = LoadTwitterCreds(credsFileName);
if (credsList != null && credsList.Count > 0)
{
List <TwitterClient> twitClientList = new List <TwitterClient>();
foreach (TwitCreds creds in credsList)
{
var client = new TwitterClient(creds.ApiKey, creds.ApiSecretKey, creds.AccessToken, creds.AccessTokenSecret);
var user = await client.Users.GetAuthenticatedUserAsync();
if (user != null)
{
ShowMessage($"You authenticated as {user}!");
twitClientList.Add(client);
}
}
int clientPtr = 0;
int numClients = twitClientList.Count;
ShowMessage($"{numClients} available Twitter credentials will be cycled through.");
List <WorkItem> workItemList = LoadWorkItems(workItemsFileName);
if (twitClientList.Count > 0)
{
string runFileName = "runstats-" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm") + ".csv";
string allWordsFileName = "allWords-" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm") + ".json";
var tasks = new List <Task <RunStats> >();
using (StreamWriter swRun = new StreamWriter(runFileName))
{
swRun.WriteLine("ListName,NumTweets,NumSkippedNonMatch,NumSkippedNonEnglish,NumRetries,RunSeconds,TimedOut,Succeeded");
foreach (WorkItem w in workItemList)
{
TweetDownloadParameter tdp = new TweetDownloadParameter(twitClientList[clientPtr], w);
tasks.Add(Task <RunStats> .Factory.StartNew(InvokeGetTweets, tdp));
//RunStats rs = await GetTweets(tdp);
clientPtr = (clientPtr + 1) % numClients;
}
Task.WaitAll(tasks.ToArray());
ShowMessage("All threads exited.");
using (StreamWriter swAllFile = new StreamWriter(allWordsFileName))
{
swAllFile.WriteLine("[");
int numTweets = 0;
foreach (var t in tasks)
{
RunStats rs = t.Result;
swRun.WriteLine($"{rs.Item.WordsInputFile},{rs.NumTweets},{rs.NumSkippedNonMatch},{rs.NumSkippedNonEnglish},{rs.NumRetries},{rs.RunSeconds},{rs.TimedOut},{rs.Succeeded}");
foreach (TweetData td in rs.TweetDataList)
{
string jsonString = JsonConvert.SerializeObject(td, Formatting.Indented);
swAllFile.WriteLine(((numTweets++ > 0) ? "," : "") + jsonString);
}
if (rs.Succeeded)
{
ShowMessage($"Captured {rs.NumTweets} for {rs.Item.WordsInputFile} in {rs.RunSeconds} seconds");
}
else
{
ShowMessage($"{rs.Item.WordsInputFile} failed!");
}
}
swAllFile.WriteLine("]");
swAllFile.Close();
}
swRun.Close();
}
}
else
{
ShowMessage($"Unable to connect to Twitter with the credentials you supplied in {credsFileName}");
}
}
}