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CrashHandler.cs
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CrashHandler.cs
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/*
* The MIT License
* Copyright (c) 2012 Codenauts UG (haftungsbeschränkt). All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
using System;
using System.IO;
using System.Linq;
using System.Windows;
using Microsoft.Phone.Info;
using Microsoft.Phone.Reactive;
using System.Diagnostics;
using System.IO.IsolatedStorage;
using HockeyApp.Tools;
using System.Windows.Controls;
using System.Threading.Tasks;
using System.Net.NetworkInformation;
using HockeyApp.Exceptions;
using HockeyApp.Model;
using HockeyApp.Internal;
namespace HockeyApp
{
/// <summary>
/// Providing Crash-Handling functionality with HockeyApp in your app. Don't use directly. Use HockeyClient.Current - extension methods
/// </summary>
public class CrashHandler
{
private static readonly CrashHandler _instance = new CrashHandler();
private ILog logger = HockeyLogManager.GetLog(typeof(CrashHandler));
private CrashLogInformation _crashLogInfo;
private Application _application = null;
static CrashHandler() { }
private CrashHandler() {}
/// <summary>
/// Gets the singleton instance.
/// </summary>
[Obsolete]
public static CrashHandler Instance
{
get
{
return _instance;
}
}
internal static CrashHandler Current { get { return _instance; } }
internal Application Application
{
get { return this._application; }
set { this._application = value; }
}
/// <summary>
/// Configures the hockey crashhandler
/// </summary>
/// <param name="application">The WP Application</param>
/// <param name="identifier">public identifier (App Identifier) of your app at HockeyApp</param>
/// <param name="rootFrame">[optional] The rootframe of your app.</param>
/// <param name="descriptionLoader">[optional] Func to load an additional description (e.g. log-info) when an exception occurs</param>
/// <param name="apiBase">[optional] base URL of HockeyApp server. Only needed for private HockeyApp installations.</param>
/// <param name="userId">[optional] Id/Name of current user of your app. Sent with crash information. Can also be set later with AddUserInfo(..)</param>
/// <param name="contactInformation">[optional] Contact info of current user of your app. Sent with crash information. Can also be set later with AddUserInfo(..)</param>
[Obsolete("Use HockeyClient.Configure()...")]
public void Configure(Application application,
string identifier,
Frame rootFrame = null,
Func<Exception,string> descriptionLoader = null,
string apiBase = null,
string userId = null,
string contactInformation = null)
{
if (this._application == null)
{
this._crashLogInfo = new CrashLogInformation()
{
PackageName = application.GetType().Namespace,
ProductID = ManifestHelper.GetProductID(),
Version = ManifestHelper.GetAppVersion(),
WindowsPhone = Environment.OSVersion.Version.ToString(),
Manufacturer = GetDeviceManufacturer(),
Model = GetDeviceModel()
};
this._application = application;
this._application.UnhandledException += OnUnhandledException;
HockeyClient.ConfigureInternal(identifier,
ManifestHelper.GetAppVersion(),
userID: userId,
apiBase: apiBase,
contactInformation: contactInformation,
userAgentName: Constants.UserAgentString,
sdkName: Constants.SdkName,
sdkVersion: Constants.SdkVersion,
descriptionLoader: descriptionLoader,
os: Environment.OSVersion.Platform.ToString(),
osVersion: Environment.OSVersion.Version.ToString(),
device: GetDeviceModel(),
oem: GetDeviceManufacturer());
if (rootFrame != null)
{
//Idea based on http://www.markermetro.com/2013/01/technical/handling-unhandled-exceptions-with-asyncawait-on-windows-8-and-windows-phone-8/
AsyncSynchronizationContext.RegisterForFrame(rootFrame, this);
}
}
else
{
throw new InvalidOperationException("CrashHandler was already configured!");
}
}
/// <summary>
/// Add infos about current user. Sent with error-traces to the hockeyapp server
/// </summary>
/// <param name="userid">id of the user</param>
/// <param name="contactInfo">contact info like an email adress</param>
[Obsolete("Use HockeyClient.AddContactInfo(..)")]
public void AddUserInfo(String userid, String contactInfo)
{
HockeyClient.Current.AsInternal().UserID = userid;
HockeyClient.Current.AsInternal().ContactInformation = contactInfo;
}
[Obsolete]
private void OnUnhandledException(object sender, ApplicationUnhandledExceptionEventArgs args)
{
HandleException(args.ExceptionObject);
}
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);
}
}
/// <summary>
/// Handle saved crashes. Checks if new error traces are available and notifies the user if he wants to send them.
/// </summary>
/// <param name="sendAutomatically">suppress the notification box and try to send crashes in the background.</param>
public void HandleCrashes(Boolean sendAutomatically = false)
{
if (NetworkInterface.GetIsNetworkAvailable())
{
try
{
IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication();
//TODO remove in next major version
MoveOldCrashlogsIfNeeded(store);
if (store.DirectoryExists(Constants.CrashDirectoryName))
{
string[] filenames = store.GetFileNames(Path.Combine(Constants.CrashDirectoryName, Constants.CrashFilePrefix + "*.log"));
if (filenames.Length > 0)
{
Debugger.Log(0, "HockeyApp", filenames.Aggregate((a, b) => a + " | " + b).ToString());
if (sendAutomatically)
{
var __ = SendCrashesAsync(store, filenames);
}
else
{
ShowNotificationToSend(store, filenames);
}
}
}
}
catch (Exception e)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
}
}
}
public void MoveOldCrashlogsIfNeeded(IsolatedStorageFile store)
{
try
{
if (store.DirectoryExists(Constants.OldCrashDirectoryName))
{
var files = store.GetFileNames(Path.Combine(Constants.OldCrashDirectoryName, Constants.CrashFilePrefix + "*.log"));
if (files.Length > 0)
{
if (!store.DirectoryExists(Constants.CrashDirectoryName))
{
store.CreateDirectory(Constants.CrashDirectoryName);
}
foreach (var fileName in files)
{
store.MoveFile(Path.Combine(Constants.OldCrashDirectoryName, Path.GetFileName(fileName)), Path.Combine(Constants.CrashDirectoryName, Path.GetFileName(fileName)));
}
if (store.GetFileNames(Path.Combine(Constants.OldCrashDirectoryName, Constants.CrashFilePrefix + "*.*")).Length == 0)
{
store.DeleteDirectory(Constants.OldCrashDirectoryName);
}
}
}
}
catch (Exception e)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
}
}
/// <summary>
/// Handle saved crashes async. Checks if new error traces are available and notifies the user if he wants to send them.
/// </summary>
/// <param name="sendAutomatically">suppress the notification box and try to send crashes in the background.</param>
/// <returns>Awaitable Task. Result is true if crashes have been sent.</returns>
public async Task<bool> HandleCrashesAsync(Boolean sendAutomatically = false)
{
//TODO refactor for use with platformhelper
if (NetworkInterface.GetIsNetworkAvailable())
{
try
{
IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication();
if (store.DirectoryExists(Constants.CrashDirectoryName))
{
string[] filenames = store.GetFileNames(Path.Combine(Constants.CrashDirectoryName, Constants.CrashFilePrefix + "*.log"));
if (filenames.Length > 0)
{
Debugger.Log(0, "HockeyApp", filenames.Aggregate((a, b) => a + " | " + b).ToString());
if (sendAutomatically)
{
await SendCrashesAsync(store, filenames);
return true;
}
else
{
return await ShowNotificationToSend(store, filenames);
}
}
}
}
catch (Exception e)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
}
}
return false;
}
private Task<bool> ShowNotificationToSend(IsolatedStorageFile store, string[] filenames)
{
var tcs = new TaskCompletionSource<bool>();
Scheduler.Dispatcher.Schedule(() =>
{
NotificationTool.Show(
LocalizedStrings.LocalizedResources.CrashData,
LocalizedStrings.LocalizedResources.SendCrashQuestion,
new NotificationAction(LocalizedStrings.LocalizedResources.Send, (Action)(async () =>
{
tcs.TrySetResult(true);
await SendCrashesAsync(store, filenames);
})),
new NotificationAction(LocalizedStrings.LocalizedResources.Delete, (Action) (() =>
{
tcs.TrySetResult(false);
foreach (string filename in filenames)
{
try
{
store.DeleteFile(Path.Combine(Constants.CrashDirectoryName, filename));
}
catch (Exception e)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
}
}
}))
);
});
return tcs.Task;
}
private async Task SendCrashesAsync(IsolatedStorageFile store, string[] filenames)
{
foreach (String filename in filenames)
{
if (store.FileExists(Path.Combine(Constants.CrashDirectoryName, filename)))
{
ICrashData cd;
try
{
using (Stream fileStream = store.OpenFile(Path.Combine(Constants.CrashDirectoryName, filename), FileMode.Open))
{
cd = HockeyClient.Current.AsInternal().Deserialize(fileStream);
}
await cd.SendDataAsync();
}
catch (WebTransferException e)
{
//try again on next run
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
return;
}
store.DeleteFile(Path.Combine(Constants.CrashDirectoryName, filename));
}
}
}
[Obsolete]
public static String GetDeviceManufacturer()
{
object manufacturer;
if (DeviceExtendedProperties.TryGetValue("DeviceManufacturer", out manufacturer))
{
return manufacturer.ToString();
}
else
{
return "Unknown";
}
}
[Obsolete]
public static String GetDeviceModel()
{
object model;
if (DeviceExtendedProperties.TryGetValue("DeviceName", out model))
{
return model.ToString();
}
else
{
return "Unknown";
}
}
}
}