internal void HandleException(Exception unhandledException)
{
CrashLogInformation crashInfo = this._crashLogInfo;
//TODO refactor in next version
if (this._crashLogInfo.PackageName == null)
{
this._crashLogInfo = HockeyClient.Current.AsInternal().PrefilledCrashLogInfo;
}
ICrashData cd = HockeyClient.Current.AsInternal().CreateCrashData(unhandledException, this._crashLogInfo);
var crashId = Guid.NewGuid();
try
{
IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication();
if (!store.DirectoryExists(Constants.CrashDirectoryName))
{
store.CreateDirectory(Constants.CrashDirectoryName);
}
String filename = string.Format("{0}{1}.log", Constants.CrashFilePrefix, crashId);
using (FileStream stream = store.CreateFile(Path.Combine(Constants.CrashDirectoryName, filename)))
{
cd.Serialize(stream);
}
}
catch (Exception ex)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(ex);
}
}
private void HandleException(Exception e)
{
try
{
string crashID = Guid.NewGuid().ToString();
String filename = String.Format("{0}{1}.log", Constants.CrashFilePrefix, crashID);
CrashLogInformation logInfo = new CrashLogInformation()
{
PackageName = Application.Current.GetType().Namespace,
Version = HockeyClient.Current.AsInternal().VersionInfo,
OperatingSystem = Environment.OSVersion.Platform.ToString(),
Windows = Environment.OSVersion.Version.ToString() + Environment.OSVersion.ServicePack,
Manufacturer = "",
Model = ""
};
ICrashData crash = HockeyClient.Current.AsInternal().CreateCrashData(e, logInfo);
using (FileStream stream = File.Create(Path.Combine(Constants.GetPathToHockeyCrashes(), filename)))
{
crash.Serialize(stream);
stream.Flush();
}
}
catch (Exception ex)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(ex);
}
}
/// <summary>
/// Send crash-logs from storage and deletes the if they could be sent
/// </summary>
/// <returns>true if at least one Crashlog was transmitted to the server</returns>
public async Task <bool> SendCrashesAndDeleteAfterwardsAsync()
{
bool atLeatOneCrashSent = false;
#if NET_4_5
using (var releaser = await lck.LockAsync()) {
#else
if (Monitor.TryEnter(this))
{
try {
#endif
logger.Info("Start send crashes to platform.");
if (NetworkInterface.GetIsNetworkAvailable())
{
foreach (string filename in await this.GetCrashFileNamesAsync())
{
logger.Info("Crashfile found: {0}", filename);
Exception error = null;
try //don't stop if one file fails
{
using (var stream = await this.PlatformHelper.GetStreamAsync(filename, SDKConstants.CrashDirectoryName)) {
ICrashData cd = this.Deserialize(stream);
await cd.SendDataAsync();
}
atLeatOneCrashSent = true;
} catch (Exception ex) {
HandleInternalUnhandledException(ex);
error = ex;
}
if (error != null && error is WebTransferException)
{
//will retry on next start
}
else
{
//either no error or the file seems corrupt => try to delete it
try {
await this.PlatformHelper.DeleteFileAsync(filename, SDKConstants.CrashDirectoryName);
} catch (Exception ex) {
HandleInternalUnhandledException(ex);
}
}
}
}
}
#if !NET_4_5
finally {
try {
Monitor.Exit(this);
} catch (Exception ex) { //ignore. on next start it will try again.
HandleInternalUnhandledException(ex);
}
}
}
#endif
return(atLeatOneCrashSent);
}
private void ExceptionHandler(object sender, UnhandledExceptionEventArgs e)
{
// check if we are allowed to handle exceptions
if (_disposed)
{
return;
}
// the exception handler as self should never throw an exception so that the flow is
// not interrupted by some bad code here
try
{
// We need to ensure that the crash file location realy exists before we start
// writing a file into it
if (!Directory.Exists(_crashFileLocaton))
{
Directory.CreateDirectory(_crashFileLocaton);
}
// Every exception needs a unique identifier
string crashID = Guid.NewGuid().ToString();
// The filename is generated by the identifier
String filename = String.Format("{0}.log", crashID);
// generate the full filename
filename = Path.Combine(_crashFileLocaton, filename);
// Generate the model HockeyApp is using for logging crashes
CrashLogInformation logInfo = new CrashLogInformation()
{
PackageName = _packageName,
Version = _packageVersion,
OperatingSystem = Environment.OSVersion.ToString(),
};
// Now it's time to build a real creash report and write them to the file
ICrashData crash = HockeyClient.Instance.CreateCrashData(e.ExceptionObject as Exception, logInfo);
using (FileStream stream = File.Create(filename))
{
crash.Serialize(stream);
}
}
catch (Exception)
{
// Ignore all exceptions
}
}
/// <summary>
/// Handle exception asyncronously
/// </summary>
/// <param name="ex">the exception that should be saved to a crashlog</param>
public async Task HandleExceptionAsync(Exception ex)
{
ICrashData cd = this.CreateCrashData(ex);
var crashId = Guid.NewGuid();
try {
using (MemoryStream stream = new MemoryStream()) {
cd.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
await this.PlatformHelper.WriteStreamToFileAsync(stream, string.Format("{0}{1}.log", SDKConstants.CrashFilePrefix, crashId), SDKConstants.CrashDirectoryName);
}
} catch (Exception e) {
HandleInternalUnhandledException(e);
}
}
public CrashHandler()
{
HockeyApp.HockeyClient.Configure(this._appID, Assembly.GetExecutingAssembly().GetName().Version.ToString());
this.crashFilePath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
this.crashFilePath = Path.Combine(this.crashFilePath, "Hoch");
AppDomain.CurrentDomain.UnhandledException += (a, b) =>
{
string crashID = Guid.NewGuid().ToString();
String filename = String.Format("{0}{1}.log", _crashFilePrefix, crashID);
CrashLogInformation logInfo = new CrashLogInformation()
{
PackageName = "HockeyUploaderConsole",
Version = Assembly.GetExecutingAssembly().GetName().Version.ToString(),
OperatingSystem = Environment.OSVersion.ToString(),
};
ICrashData crash = HockeyClient.Instance.CreateCrashData(b.ExceptionObject as Exception, logInfo);
FileStream stream = File.Create(Path.Combine(this._crashFilePrefix, filename));
crash.Serialize(stream);
stream.Flush();
stream.Close();
};
if (Directory.Exists(this.crashFilePath))
{
foreach (string filename in Directory.GetFiles(this.crashFilePath, _crashFilePrefix + "*.log"))
{
try
{
FileStream fs = File.OpenRead(filename);
ICrashData cd = HockeyClient.Instance.Deserialize(fs);
fs.Close();
cd.SendDataAsync().Wait();
File.Delete(filename);
}
catch (Exception ex)
{
Program.LogToConsole("Error sending crash-information: " + ex.Message);
}
}
}
}
public void HandleException(Exception ex)
{
if (!this.PlatformHelper.PlatformSupportsSyncWrite)
{
throw new Exception("PlatformHelper implementation error.");
}
ICrashData cd = this.CreateCrashData(ex);
var crashId = Guid.NewGuid();
try {
using (MemoryStream stream = new MemoryStream()) {
cd.Serialize(stream);
stream.Seek(0, SeekOrigin.Begin);
this.PlatformHelper.WriteStreamToFileSync(stream, string.Format("{0}{1}.log", SDKConstants.CrashFilePrefix, crashId), SDKConstants.CrashDirectoryName);
}
} catch (Exception e) {
HandleInternalUnhandledException(e);
}
}
internal async Task SendCrashesNowAsync()
{
bool deleteFlag = false; //necessary, because no await allowed in catch body
logger.Info("Start send crashes to platform.");
if (NetworkInterface.GetIsNetworkAvailable())
{
foreach (StorageFile crashFile in await this.GetCrashFiles())
{
logger.Info("Crashfile found: {0}", crashFile.Name);
deleteFlag = false;
try
{
Stream fs = await crashFile.OpenStreamForReadAsync();
ICrashData cd = ((HockeyClient)HockeyClient.Current).Deserialize(fs);
fs.Dispose();
await cd.SendDataAsync();
await crashFile.DeleteAsync();
logger.Info("Crashfile deleted: {0}", crashFile.Name);
}
catch (WebTransferException ex)
{
this.logger.Error(ex);
}
catch (Exception ex)
{
this.logger.Error(ex);
deleteFlag = true;
}
if (deleteFlag)
{
await crashFile.DeleteAsync();
}
}
}
}
private Boolean TryPushCrashLogs(out List <String> failedReports)
{
// reset the failed reports
failedReports = null;
// check if we have a crash file directory, if not nothing todo
if (!Directory.Exists(_crashFileLocaton))
{
return(true);
}
//
// Visit every file and send to the backend
foreach (string filename in Directory.GetFiles(_crashFileLocaton, "*.log"))
{
try
{
FileStream fs = File.OpenRead(filename);
ICrashData cd = HockeyClient.Instance.Deserialize(fs);
fs.Close();
cd.SendDataAsync().Wait();
File.Delete(filename);
}
catch (Exception)
{
// create a failed report list if needed
if (failedReports == null)
{
failedReports = new List <string>();
}
// add the missing report
failedReports.Add(filename);
}
}
// done
return(failedReports == null);
}
internal async Task SendCrashesNowAsync()
{
//System Semaphore would be another possibility. But the worst thing that can happen now, is
//that a crash is send twice.
if (!System.Threading.Monitor.TryEnter(this))
{
logger.Warn("Sending crashes was called multiple times!");
throw new Exception("Hockey is already sending crashes to server!");
}
else
{
logger.Info("Start send crashes to platform.");
if (NetworkInterface.GetIsNetworkAvailable())
{
foreach (string crashFileName in this.GetCrashFiles())
{
logger.Info("Crashfile found: {0}", crashFileName);
try
{
using (FileStream fs = File.Open(crashFileName, FileMode.Open, FileAccess.ReadWrite))
{
ICrashData cd = HockeyClient.Current.AsInternal().Deserialize(fs);
await cd.SendDataAsync();
}
//if the process switch occurs between those lines the worst that can happen is that a crash is sent twice.
File.Delete(crashFileName);
logger.Info("Crashfile sent and deleted: {0}", crashFileName);
}
catch (Exception ex)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(ex);
}
}
}
}
System.Threading.Monitor.Exit(this);
}
