// GET: /[email protected] public IHttpActionResult Get(string email) { IEnumerable <string> list; if (!Request.Headers.TryGetValues("x-token", out list)) { return(BadRequest("Un-authorized.")); } var token = list.FirstOrDefault(); if (string.IsNullOrWhiteSpace(token) || EncryptionDecryptionHelper.Decrypt(token) != ConfigurationManager.AppSettings["matchingKey"]) { return(BadRequest("Un-authorized.")); } var maxRetryAttempts = 8; var pauseBetweenFailures = TimeSpan.FromSeconds(2); Console.WriteLine("Starting application.. "); IList <DistributionListModel> distributionList = null; RetryHelper.RetryOnException(maxRetryAttempts, pauseBetweenFailures, () => { distributionList = new List <DistributionListModel>(); ExpandDistributionLists(10, email, distributionList); }); Console.WriteLine("Ending application.. "); return(Ok(distributionList)); }
static void Main(string[] args)
{
using (var sampleClass = new SamplesClass())
{
RetryHelper.RetryOnException(3, 10,
// retry method setup to fail twice before setting a variable
() => sampleClass.DoSomethingWithErrors(),
(e) => {
return(e is NullReferenceException);
});
Console.WriteLine("Method with no return:");
Console.WriteLine("If this method is successful then it should return a result of 50 and if not then the result will be 0.");
Console.WriteLine($"The result is: {sampleClass.assertVariable}");
Console.WriteLine();
}
using (var sampleClass = new SamplesClass())
{
var result = RetryHelper.RetryOnException <string>(3, 10,
// retry method setup to fail twice before returning a value
() => sampleClass.DoSomethingWithErrorsWithReturn(),
(e) => {
return(e is NullReferenceException);
});
Console.WriteLine("----------------------------------------");
Console.WriteLine("Method with return:");
Console.WriteLine(result);
}
Console.ReadKey();
}
public void Instance_AutomaticallyReadFileOnChange()
{
// Arrange
RetryHelper.RetryOnException(5, TimeSpan.FromSeconds(1),
() => File.Delete(TelemetryDataRepository.GetStorageFilePath()));
var repository = new TelemetryDataRepository();
repository.Data.IsAnonymousDataShared = false;
repository.Data.InstallationDate = DateTime.MaxValue;
repository.Data.LastSavedAnalysisDate = DateTime.MaxValue;
repository.Data.NumberOfDaysOfUse = long.MaxValue;
repository.Data.LastUploadDate = DateTime.MaxValue;
var otherRepository = new TelemetryDataRepository();
// Act
repository.Save();
Task.Delay(700).Wait();
// Assert
otherRepository.Data.InstallationDate.Should().Be(DateTime.MaxValue);
otherRepository.Data.LastSavedAnalysisDate.Should().Be(DateTime.MaxValue);
otherRepository.Data.NumberOfDaysOfUse.Should().Be(long.MaxValue);
otherRepository.Data.LastUploadDate.Should().Be(DateTime.MaxValue);
otherRepository.Data.IsAnonymousDataShared.Should().BeFalse();
}
public void RetryOnException_WhenGivingZeroTimesRetry_ReturnsFalse()
{
// Arrange & Act
var result = RetryHelper.RetryOnException(0, TimeSpan.Zero, () => { });
// Assert
result.Should().BeFalse();
}
public void RetryOnException_WhenOperationSucceed_ReturnsTrue()
{
// Arrange & Act
var result = RetryHelper.RetryOnException(1, TimeSpan.Zero, () => { });
// Assert
result.Should().BeTrue();
}
public void RetryOnException_WhenOperationAlwaysFails_ReturnsFalse()
{
// Arrange & Act
var result = RetryHelper.RetryOnException(1, TimeSpan.Zero, () => { throw new Exception(); });
// Assert
result.Should().BeFalse();
}
public void Delete()
{
var heartBeatPath = Path.Combine(Infrastructure.Settings.GetRootStoragePathForLocation(HeartBeatConstants.StorageLoc), GetHeartBeatRelativePath());
RetryHelper.RetryOnException("Deleting heartbeat...", () =>
{
System.IO.File.Delete(heartBeatPath);
}, TimeSpan.FromSeconds(1), 3, false);
}
private void CreateHeartBeatDirectoryIfNotExists()
{
var heartBeatFolder = Path.Combine(Infrastructure.Settings.GetRootStoragePathForLocation(HeartBeatConstants.StorageLoc), HeartBeatConstants.HeartBeatFolder);
RetryHelper.RetryOnException("Creating heartbeat folder...", () =>
{
FileSystemHelpers.CreateDirectoryIfNotExists(heartBeatFolder);
}, TimeSpan.FromMilliseconds(100), 3, false);
}
public ActionResult ViewCruise(int id)
{
Cruise c = null;
RetryHelper.RetryOnException(3, TimeSpan.FromSeconds(1), () =>
{
c = db.Cruise.Find(id);
});
return(View(c));
}
public void Send()
{
CreateHeartBeatDirectoryIfNotExists();
var heartBeatPath = Path.Combine(Infrastructure.Settings.GetRootStoragePathForLocation(HeartBeatConstants.StorageLoc), GetHeartBeatRelativePath());
RetryHelper.RetryOnException("Sending heartbeat...", () =>
{
this.ToJsonFile(heartBeatPath);
}, TimeSpan.FromMilliseconds(100), 3, false);
}
private static void Main(string[] args)
{
var tentativasMxima = 3;
var delayOperacao = TimeSpan.FromSeconds(2);
System.Net.Http.HttpClient client = new System.Net.Http.HttpClient();
RetryHelper.RetryOnException(tentativasMxima, delayOperacao, () =>
{
var x = client.GetAsync("XXXXXXXXXXXX");
});
}
public void Ctor_AlwaysCreateStorageFile()
{
// Arrange
var filePath = TelemetryDataRepository.GetStorageFilePath();
RetryHelper.RetryOnException(5, TimeSpan.FromSeconds(1), () => File.Delete(filePath));
File.Exists(filePath).Should().BeFalse(); // Sanity test
// Act
var repository = new TelemetryDataRepository();
// Assert
File.Exists(filePath).Should().BeTrue();
}
public void Ctor_AlwaysCreateStorageFileFolders()
{
// Arrange
var filePath = TelemetryDataRepository.GetStorageFilePath();
var directoryPath = Path.GetDirectoryName(filePath);
RetryHelper.RetryOnException(5, TimeSpan.FromSeconds(1), () => Directory.Delete(directoryPath, true));
Directory.Exists(directoryPath).Should().BeFalse(); // Sanity test
// Act
var repository = new TelemetryDataRepository();
// Assert
Directory.Exists(directoryPath).Should().BeTrue();
}
public static HeartBeat OpenHeartBeat(string heartBeatPath)
{
try
{
HeartBeat heartBeat = FileSystemHelpers.FromJsonFile <HeartBeat>(heartBeatPath);
return(heartBeat);
}
catch (Exception)
{
// possibly a stale heartbeat file which is either empty or in XML format
RetryHelper.RetryOnException("Deleting corrupt heartbeat...", () =>
{
System.IO.File.Delete(heartBeatPath);
}, TimeSpan.FromSeconds(1), 3, false);
return(null);
}
}
public void RetryOnException_WhenFailsTwiceWithAFiveSecondDelay_ReturnsFalseAndCompletesInTenSeconds()
{
// Arrange
var fiveSecondsInMilliseconds = 5000;
var delay = TimeSpan.FromMilliseconds(fiveSecondsInMilliseconds);
var timeWatch = new System.Diagnostics.Stopwatch();
// Act
timeWatch.Start();
var result = RetryHelper.RetryOnException(2, delay, () => { throw new Exception(); });
timeWatch.Stop();
// Assert
result.Should().BeFalse();
timeWatch.ElapsedMilliseconds.Should().BeInRange(
(fiveSecondsInMilliseconds * 2) - 500,
(fiveSecondsInMilliseconds * 2) + 500);
}
/// <summary>
/// Delete the given file from all known locations
/// </summary>
public async Task DeleteFileAsync(string filePath, string blobSasUri, Lease lease = null)
{
if (!string.IsNullOrWhiteSpace(blobSasUri))
{
var fileBlob = BlobController.GetBlobForFile(filePath, blobSasUri);
await fileBlob.DeleteIfExistsAsync(DeleteSnapshotsOption.None, GetAccessCondition(lease), null, null);
}
foreach (var baseDir in new string[] { Infrastructure.Settings.TempDir, Settings.UserSiteStorageDirectory })
{
string fullPath = Path.Combine(baseDir, filePath);
if (System.IO.File.Exists(fullPath))
{
RetryHelper.RetryOnException("Deleting file asynchronously...", () =>
{
System.IO.File.Delete(fullPath);
}, TimeSpan.FromSeconds(1));
}
}
}
public void RetryOnExceptionTest()
{
var times = 2;
var @thisInt = 0;
//no ex
var @this = RetryHelper.RetryOnException <int, NotSupportedException>(times, (a) =>
{
return(GetNotSupportedValues(false));
}, (i, e) =>
{
});
Assert.AreEqual(@this, 10086);
// ex
@this = 0;
@thisInt = 0;
@this = RetryHelper.RetryOnException <int, MissingFieldException>(times, (a) =>
{
return(GetMissingFieldValues(true));
}, (i, e) =>
{
@thisInt += i;
});
Assert.AreEqual(@this, 0);
Assert.AreEqual(@thisInt, 3);
// ex ,other ex
@this = 0;
@thisInt = 0;
@this = RetryHelper.RetryOnException <int, NotSupportedException>(times, (a) =>
{
return(GetMissingFieldValues(true));
}, (i, e) =>
{
@thisInt += i;
});
Assert.AreEqual(@this, 0);
Assert.AreEqual(@thisInt, 0);
}
private void MoveFileOnDisk(string oldPath, string newPath, StorageLocation location)
{
string baseDir = GetRootStoragePathForWhenBlobStorageIsNotConfigured(location);
string oldFullPath = Path.Combine(baseDir, oldPath);
string newFullPath = Path.Combine(baseDir, newPath);
if (oldFullPath.Equals(newFullPath, StringComparison.OrdinalIgnoreCase))
{
// Moving file from and to the same location. Don't do anything
return;
}
Logger.LogDiagnostic("Moving file from {0} to {1}", oldFullPath, newFullPath);
Directory.CreateDirectory(Path.GetDirectoryName(newFullPath));
if (!System.IO.File.Exists(oldFullPath))
{
// Source file doesn't exist
throw new FileNotFoundException(oldPath);
}
if (System.IO.File.Exists(newFullPath))
{
// File.Move doesn't work if the destination file already exists
Logger.LogDiagnostic("Deleting preexisting file {0}", newFullPath);
RetryHelper.RetryOnException("Deleting preexisting...", () =>
{
System.IO.File.Delete(newFullPath);
}, TimeSpan.FromSeconds(1));
}
System.IO.File.Move(oldFullPath, newFullPath);
if (System.IO.File.Exists(oldFullPath))
{
// If the source file is in use File.Move doesn't delete it
Logger.LogDiagnostic("The source file wasn't deleted (it may have been in use). Let's delete it now");
RetryHelper.RetryOnException("Deleting old path while moving files on disk...", () =>
{
System.IO.File.Delete(oldFullPath);
}, TimeSpan.FromSeconds(1));
}
}
private static ActionResult _installStateTool(Session session, out string stateToolPath)
{
Error.ResetErrorDetails(session);
var paths = GetPaths();
string stateURL = "https://state-tool.s3.amazonaws.com/update/state/release/";
string jsonURL = stateURL + paths.JsonDescription;
string timeStamp = DateTime.Now.ToFileTime().ToString();
string tempDir = Path.Combine(Path.GetTempPath(), timeStamp);
string stateToolInstallDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "ActiveState", "bin");
stateToolPath = Path.Combine(stateToolInstallDir, "state.exe");
if (File.Exists(stateToolPath))
{
session.Log("Using existing State Tool executable at install path");
Status.ProgressBar.Increment(session, 200);
return ActionResult.Success;
}
session.Log(string.Format("Using temp path: {0}", tempDir));
try
{
Directory.CreateDirectory(tempDir);
}
catch (Exception e)
{
string msg = string.Format("Could not create temp directory at: {0}, encountered exception: {1}", tempDir, e.ToString());
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
string versionInfoString = "unset";
session.Log(string.Format("Downloading JSON from URL: {0}", jsonURL));
try
{
RetryHelper.RetryOnException(session, 3, TimeSpan.FromSeconds(2), () =>
{
var client = new WebClient();
versionInfoString = client.DownloadString(jsonURL);
});
}
catch (WebException e)
{
string msg = string.Format("Encountered exception downloading state tool json info file: {0}", e.ToString());
session.Log(msg);
new NetworkError().SetDetails(session, e.Message);
return ActionResult.Failure;
}
VersionInfo info;
try
{
info = JsonConvert.DeserializeObject<VersionInfo>(versionInfoString);
}
catch (Exception e)
{
string msg = string.Format("Could not deserialize version info. Version info string {0}, exception {1}", versionInfoString, e.ToString());
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
string zipPath = Path.Combine(tempDir, paths.ZipFile);
string zipURL = stateURL + info.version + "/" + paths.ZipFile;
session.Log(string.Format("Downloading zip file from URL: {0}", zipURL));
Status.ProgressBar.StatusMessage(session, "Downloading State Tool...");
var tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
Task incrementTask = Task.Run(() =>
{
incrementProgressBar(session, 50, token);
});
Task<ActionResult> downloadTask = Task.Run(() =>
{
try
{
RetryHelper.RetryOnException(session, 3, TimeSpan.FromSeconds(2), () =>
{
var client = new WebClient();
client.DownloadFile(zipURL, zipPath);
});
}
catch (WebException e)
{
string msg = string.Format("Encountered exception downloading state tool zip file. URL to zip file: {0}, path to save zip file to: {1}, exception: {2}", zipURL, zipPath, e.ToString());
session.Log(msg);
new NetworkError().SetDetails(session, e.Message);
return ActionResult.Failure;
}
return ActionResult.Success;
});
ActionResult result = downloadTask.Result;
tokenSource.Cancel();
incrementTask.Wait();
if (result.Equals(ActionResult.Failure))
{
return result;
}
SHA256 sha = SHA256.Create();
FileStream fInfo = File.OpenRead(zipPath);
string zipHash = BitConverter.ToString(sha.ComputeHash(fInfo)).Replace("-", string.Empty).ToLower();
if (zipHash != info.sha256v2)
{
string msg = string.Format("SHA256 checksum did not match, expected: {0} actual: {1}", info.sha256v2, zipHash.ToString());
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
Status.ProgressBar.StatusMessage(session, "Extracting State Tool executable...");
Status.ProgressBar.Increment(session, 50);
try
{
ZipFile.ExtractToDirectory(zipPath, tempDir);
}
catch (Exception e)
{
string msg = string.Format("Could not extract State Tool, encountered exception. Path to zip file: {0}, path to temp directory: {1}, exception {2})", zipPath, tempDir, e);
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
try
{
Directory.CreateDirectory(stateToolInstallDir);
}
catch (Exception e)
{
string msg = string.Format("Could not create State Tool install directory at: {0}, encountered exception: {1}", stateToolInstallDir, e.ToString());
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
try
{
File.Move(Path.Combine(tempDir, paths.ExeFile), stateToolPath);
}
catch (Exception e)
{
string msg = string.Format("Could not move State Tool executable to: {0}, encountered exception: {1}", stateToolPath, e);
session.Log(msg);
RollbarReport.Critical(msg, session);
return ActionResult.Failure;
}
string configDirCmd = " export" + " config" + " --filter=dir";
string output;
ActionResult runResult = ActiveState.Command.Run(session, stateToolPath, configDirCmd, out output);
session.Log("Writing install file...");
// We do not fail the installation if writing the installsource.txt file fails
if (runResult.Equals(ActionResult.Failure))
{
string msg = string.Format("Could not get config directory from State Tool");
session.Log(msg);
RollbarReport.Error(msg, session);
}
else
{
string contents = "msi-ui";
if (session.CustomActionData["UI_LEVEL"] == "2")
{
contents = "msi-silent";
}
try
{
string installFilePath = Path.Combine(output.Trim(), "installsource.txt");
File.WriteAllText(installFilePath, contents, Encoding.ASCII);
}
catch (Exception e)
{
string msg = string.Format("Could not write install file at path: {0}, encountered exception: {1}", output, e.ToString());
session.Log(msg);
RollbarReport.Error(msg, session);
}
}
session.Log("Updating PATH environment variable");
Status.ProgressBar.Increment(session, 50);
string oldPath = Environment.GetEnvironmentVariable("PATH", EnvironmentVariableTarget.Machine);
if (oldPath.Contains(stateToolInstallDir))
{
session.Log("State tool installation already on PATH");
}
else
{
var newPath = string.Format("{0};{1}", stateToolInstallDir, oldPath);
session.Log(string.Format("updating PATH to {0}", newPath));
try
{
Environment.SetEnvironmentVariable("PATH", newPath, EnvironmentVariableTarget.Machine);
}
catch (Exception e)
{
string msg = string.Format("Could not update PATH. Encountered exception: {0}", e.Message);
session.Log(msg);
new SecurityError().SetDetails(session, msg);
return ActionResult.Failure;
}
}
session.Log("Running prepare step...");
string prepareCmd = " _prepare";
string prepareOutput;
ActionResult prepareRunResult = ActiveState.Command.Run(session, stateToolPath, prepareCmd, out prepareOutput);
if (prepareRunResult.Equals(ActionResult.Failure))
{
string msg = string.Format("Preparing environment caused error: {0}", prepareOutput);
session.Log(msg);
RollbarReport.Critical(msg, session);
Record record = new Record();
var errorOutput = Command.FormatErrorOutput(prepareOutput);
record.FormatString = msg;
session.Message(InstallMessage.Error | (InstallMessage)MessageBoxButtons.OK, record);
return ActionResult.Failure;
}
else
{
session.Log(string.Format("Prepare Output: {0}", prepareOutput));
}
Status.ProgressBar.Increment(session, 50);
return ActionResult.Success;
}
public void Init()
{
RetryHelper.RetryOnException(3, TimeSpan.FromSeconds(10), () => {
_driver = DriverFactory.GetDriver();
});
}
public void AfterSuite()
{
RetryHelper.RetryOnException(2, TimeSpan.FromSeconds(5), () => {
_driver?.Quit();
});
}
