public void CancelDownloads()
{
// choose target files to download
var url = "http://www.smbc-comics.com/comics/20061001.gif";
// var url = "http://www.irregularwebcomic.net/55.html";
var parser = new ComicParser (url);
var urlGen = parser.GetUrlGenerator () as DateGenerator;
urlGen.Days = DateGenerator.EveryDay;
var urls = urlGen.Get (0, 20);
foreach (var x in urls) {
Console.WriteLine (x);
}
using (var repo = new Repository ()) {
// set the gate
AutoResetEvent auto = new AutoResetEvent (false);
int num = 0;
// event handler to count number of async downloads
repo.DownloadFileCompleted += delegate(object sender, AsyncCompletedEventArgs e) {
num += 1;
// here we set the canceller
if (num == 5) {
repo.CancelDownloads ();
auto.Set ();
}
};
// event handler allows program to progress (in case of cancel failure)
repo.MultipleDownloadsCompleted += delegate(object sender, EventArgs e) {
auto.Set ();
};
// begin the download and block
repo.Download (urls);
auto.WaitOne ();
// check that it worked
Assert.AreEqual (5, repo.Files.Count);
}
}
public void RunTask()
{
if (!readyToGo) {
throw new ArgumentException ("Not ready to go!");
} else {
if (TaskStarted != null) {
TaskStarted.Invoke (this, new EventArgs ());
}
}
Active = true;
Status = "Analyzing source";
var urlGen = SetupTask ();
var urls = urlGen.Get (0, NumberToDownload);
using (repo = new Repository ()) {
// pass on the events
repo.DownloadFileCompleted += OnSingleDownloadCompleted;
repo.DownloadProgressChanged += OnDownloadProgressChanged;
repo.MultipleDownloadsCompleted += OnMultipleDownloadsCompleted;
// set number downloaded to zero
NumberDownloaded = 0;
// begin (blocks)
repo.Download (urls);
// repo.Active is set and unset automatically
}
}
string TestOneDownload(Repository repo, string imgUrl)
{
// do download
repo.DownloadFileCompleted += delegate(object sender, AsyncCompletedEventArgs e) {
auto.Set ();
};
bool downloadStartedEvent = false;
repo.DownloadStarted += delegate(object sender, EventArgs e) {
downloadStartedEvent = true;
};
repo.Download (imgUrl);
Assert.IsTrue(downloadStartedEvent);
// check on Files dict
Assert.AreEqual (1, repo.Files.Count, "Only one entry in Files");
var fileUrl = Path.Combine (repo.Location, "00001.gif");
Assert.IsTrue (repo.Files.Contains (new KeyValuePair<string,string> (imgUrl, fileUrl)), "Files contains this entry");
Assert.AreEqual (imgUrl, repo.CurrentlyDownloadingUrl);
// wait for auto
auto.WaitOne ();
Assert.IsTrue (File.Exists (fileUrl), "File exists");
Assert.AreEqual (26823, (new FileInfo (fileUrl)).Length, "File is correct size");
return fileUrl;
}
public void DownloadMany()
{
// choose target files to download
var url = "http://www.smbc-comics.com/comics/20061001.gif";
// var url = "http://www.irregularwebcomic.net/55.html";
var parser = new ComicParser (url);
var urlGen = parser.GetUrlGenerator () as DateGenerator;
urlGen.Days = DateGenerator.EveryDay;
var urls = urlGen.Get (0, 20);
foreach (var x in urls) {
Console.WriteLine (x);
}
var numComics = urls.Where<string> (x => x != String.Empty).Count ();
using (var repo = new Repository ()) {
// set the gate
AutoResetEvent auto = new AutoResetEvent (false);
// event handler allows program to progress
repo.MultipleDownloadsCompleted += delegate(object sender, EventArgs e) {
auto.Set ();
};
// begin the download and block
repo.Download (urls);
// auto.WaitOne ();
// check that it worked
Assert.AreEqual (numComics, repo.Files.Count);
}
}