public void SetValue(Java.Lang.String value)
{
returnValue = value.ToString();
try { latch.CountDown(); } catch (System.Exception ex) {
DLogger.WriteLog(ex);
}
}
public void Test()
{
#if DEBUG
#if WIN
//ensures CEF is referenced as expected
CefErrorCode err = CefErrorCode.Aborted;
DLogger.WriteLog(err.ToString());
#endif
#endif
}
public virtual void OpenUrlInSystemBrowser(string url)
{
try {
System.Diagnostics.Process.Start(url);
} catch (Exception ex) {
DLogger.WriteLog(ex);
#if WIN
System.Diagnostics.Process.Start("IEXPLORE.EXE", url);
#endif
}
}
public virtual string RestoreWorkingCopyOfDatabase(string databaseWorkingPath)
{
string dataBaseName = Path.GetFileName(databaseWorkingPath);
string databaseInAssetsPath = PathUtils.PathCombineCrossPlatform(AppHelper.Paths.DatafilesAssetPath, dataBaseName);
try {
File.Delete(databaseWorkingPath);
} catch (Exception ex) {
DLogger.WriteLog(ex);
}
databaseWorkingPath = PathUtils.PathCombineCrossPlatform(AppHelper.Paths.DatafilesWorkingPath, dataBaseName);
File.Copy(databaseInAssetsPath, databaseWorkingPath);
return(databaseWorkingPath);
}
/// <summary>
/// Evaluates the expression and returns the value.
/// </summary>
/// <param name="webView"></param>
/// <param name="expression"></param>
/// <returns></returns>
public string EvaluateScript(BaseWebView webView, string expression)
{
latch = new CountDownLatch(1);
string code = "javascript:window." + Name + ".setValue((function(){try{return " + expression
+ "+\"\";}catch(js_eval_err){console.log('js_eval_err : ' + js_eval_err); return '';}})());";
webView.LoadUrl(code);
try {
// Set a 1 second timeout in case there's an error
latch.Await(1, TimeUnit.Seconds);
return(returnValue);
} catch (System.Exception ex) {
DLogger.WriteLog(ex);
}
return(null);
}
public static CallConfig FromJsonString(string jsonString)
{
try {
CallConfig result = SerializationHelper.Instance.Deserialize <CallConfig>(jsonString);
if (result.Params == null) //Params supposedly are not empty
{
var tempObject = SerializationHelper.Instance.JsonDeserialize(jsonString);
try {
result.Params = ((Dictionary <string, object>)tempObject)["Params"];
} catch { }
}
return(result);
} catch (Exception ex) {
DLogger.WriteLog(ex);
}
return(null);
}
public static void ConnectDatabase(string databaseWorkingCopyPath)
{
try {
if (!FileExists(databaseWorkingCopyPath))
{
Manager.Instance.RestoreWorkingCopyOfDatabase(databaseWorkingCopyPath);
}
CSConfig.SetDB(new CSDataProviderSqlite("Data Source=" + databaseWorkingCopyPath));
DLogger.WriteLog(string.Format("Connected to Db: " + databaseWorkingCopyPath));
return;
} catch (Exception ex) {
DLogger.WriteLog(ex);
throw new Exception(string.Format("Can't connect to database at \"{0}\"", databaseWorkingCopyPath), ex);
}
}
private byte[] GetBinaryAssetContent(string pathOfItemInAssets)
{
byte[] result = null;
string baseDirectoryNameInAssets = Path.GetDirectoryName(pathOfItemInAssets);
string baseDirectoryInRoot = "/";
try {
baseDirectoryInRoot = baseDirectoryNameInAssets.Split(new string[] { AppHelper.Paths.AssetRootFolder }, StringSplitOptions.RemoveEmptyEntries)[0];
} catch { }
string baseFileName = Path.GetFileName(pathOfItemInAssets);
HashSet <string> chunkFileNames = new HashSet <string>(context.Assets.List(baseDirectoryInRoot).Where(fn => fn.StartsWith(baseFileName)));
using (MemoryStream memoryStream = new MemoryStream()) {
int i = 0;
string chunkFileName = baseFileName;
while (chunkFileNames.Contains(chunkFileName))
{
using (Stream stream = context.Assets.Open(Path.Combine(baseDirectoryInRoot, chunkFileName))) {
byte[] buffer = new byte[32 * 1024];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
memoryStream.Write(buffer, 0, read);
}
i++;
chunkFileName = string.Format("{0}.part_{1}", baseFileName, i);
}
}
result = memoryStream.ToArray();
}
DLogger.WriteLog("GetBinaryAssetContent: {0} ({1})", pathOfItemInAssets, (result == null) ? "null" : result.Length.ToString());
return(result);
}
public void EnsureDatabaseReadWriteWorksCorrectly()
{
DLogger.WriteLog("EnsureDatabaseReadWriteWorksCorrectly");
TestData entrySaved = TestData.New();
const string TextToTestDatabaseIoWith = "Text to test";
entrySaved.TestText = TextToTestDatabaseIoWith;
const double DoubleToTestDatabaseIoWith = 777d;
entrySaved.TestDouble = DoubleToTestDatabaseIoWith;
byte[] ImageToTestDatabaseIoWith = new byte[] { 250, 250, 250, 100, 156, 156, 90, 60, 100 };
entrySaved.TestBlob = ImageToTestDatabaseIoWith;
entrySaved.Save();
var entryRead = TestData.ReadFirst("ID = @ID", "@ID", entrySaved.ID);
Assert.True(entrySaved.ID == entryRead.ID, string.Format("ID mismatch, was {0} and now is: {1}", entrySaved.ID, entryRead.ID));
Assert.True(entrySaved.TestText == entryRead.TestText, string.Format("TestText mismatch, was {0} and now is {1}", entrySaved.TestText, entryRead.TestText));
Assert.True(ComparisonHelper.Equality(entrySaved.TestBlob, entryRead.TestBlob), string.Format("TestBlob mismatch, was {0} and now is {1}", entrySaved.TestBlob, entryRead.TestBlob));
entrySaved.Delete();
}
public virtual CallResult ProcessCallFromFrontend(CallConfig config) //dict["name"]
{
DLogger.WriteLog("Call from frontend of method name:{0} with arguments:{1}", config.MethodName, config.Params);
object instance = webView.Page;
MethodInfo theMethod = null;
if (Page != null) //first lets look for the method in the page
{
theMethod = Page.GetType().GetMethod(config.MethodName);
}
if (theMethod == null)
{
theMethod = webView.GetType().GetMethod(config.MethodName);
instance = webView;
}
if (theMethod == null) //if the method is not found in current view, then lets search for it in other loaded views
{
foreach (var view in LoadedViews.ViewForEachType)
{
theMethod = view.GetType().GetMethod(config.MethodName);
if (theMethod != null)
{
instance = view;
break;
}
}
}
if (theMethod == null) //if the method is not found in loaded views, then lets search for it in parent window
{
theMethod = ParentWindow.GetType().GetMethod(config.MethodName);
instance = ParentWindow;
}
if (theMethod == null) //if the method is not found in parent window, then lets search for it in AppDelegate.Instance
{
theMethod = BaseAppDelegate.Instance.GetType().GetMethod(config.MethodName);
instance = BaseAppDelegate.Instance;
}
CallResult result = new CallResult(string.Empty);
try {
//BaseAppDelegate.Instance.InvokeOnMainThread(()=>{
result = (CallResult)theMethod.Invoke(instance, new object[] { config.Params });
//});
} catch (Exception ex) {
DLogger.WriteLog(ex);
try {//try parameter less
//BaseAppDelegate.Instance.InvokeOnMainThread(()=>{
result = (CallResult)theMethod.Invoke(instance, null);
//});
} catch (Exception ex2) {
DLogger.WriteLog(ex2);
}
}
return(result);
}
public void Start(string instanceUid = null, string instancePort = null, string instanceIP = null, Func <CallConfig, CallResult> requestHandleCallback = null)
{
if (string.IsNullOrWhiteSpace(instanceUid))
{
instanceUid = ServerInstanceUid;//Guid.NewGuid().ToString("N");
DLogger.WriteLog("Warning: MicroServer instance UID value was empty, setting default of {0}", ServerInstanceUid);
}
if (string.IsNullOrWhiteSpace(instanceIP))
{
instanceIP = ServerIP;
DLogger.WriteLog("Warning: MicroServer instance IP value was empty, setting default of {0}", ServerIP);
}
if (string.IsNullOrWhiteSpace(instancePort))
{
instancePort = ServerInstancePort;
DLogger.WriteLog("Warning: MicroServer instance port value was empty, setting default of {0}", ServerInstancePort);
}
else
{
int instancePortValueAsInteger;
if (int.TryParse(instancePort, out instancePortValueAsInteger))
{
if (instancePortValueAsInteger > MinSafeInstancePortValue && instancePortValueAsInteger < MaxSafeInstancePortValue)
{
instancePort = instancePortValueAsInteger.ToString();
}
else
{
DLogger.WriteLog("Warning: MicroServer instance port value was {1}, beyond safe range of {2} - {3}, setting default of {0}",
ServerInstancePort, instancePort, MinSafeInstancePortValue, MaxSafeInstancePortValue);
instancePort = ServerInstancePort;
}
}
else
{
DLogger.WriteLog("Warning: MicroServer instance port value was {1}, non integer, beyond safe range of {2} - {3}, setting default of {0}",
ServerInstancePort, instancePort, MinSafeInstancePortValue, MaxSafeInstancePortValue);
instancePort = ServerInstancePort;
}
}
serverInstanceUid = instanceUid;
serverInstancePort = instancePort;
serverIP = instanceIP;
DLogger.WriteLog("Warning: MicroServer instance IP:port/UID/ set to {0}:{1}/{2}/", ServerIP, ServerInstancePort, ServerInstanceUid);
if (requestHandleCallback != null)
{
OnHandleRequest = requestHandleCallback;
}
listener = new HttpListener();
//listener.Prefixes.Add(string.Format("http://*:{1}/", ServerInstanceUid, ServerInstancePort));
//listener.Prefixes.Add(string.Format("http://{2}:{1}/{0}/", ServerInstanceUid, ServerInstancePort, ServerIP));
listener.Prefixes.Add(string.Format("http://*:{1}/{0}/", ServerInstanceUid, ServerInstancePort, ServerIP));
listener.Start();
listener.BeginGetContext(new AsyncCallback(HandleRequest), listener);
}
private void HandleRequest(IAsyncResult result)
{
//Get the listener context
HttpListenerContext context = null;
try {
context = listener.EndGetContext(result);
} catch {
listener.Stop();
listener.Start();
}
//Start listening for the next request
listener.BeginGetContext(new AsyncCallback(HandleRequest), listener);
if (context == null)
{
return;
}
//process query string and make CallConfig object
CallConfig config = null;
//missing on mobile platforms
//HttpUtility.ParseQueryString(context.Request.Url.Query).Get("params");
//if (context.Request.Url.ToString().Contains("callnative")) {
//response = "native code reply";
string url = context.Request.Url.ToString();
string callConfigAsJson = Uri.UnescapeDataString(url.Split(new string[] { "callbackend?params=" }, StringSplitOptions.RemoveEmptyEntries)[1]);
try {
config = CallConfig.FromJsonString(callConfigAsJson);
} catch (Exception ex) {
DLogger.WriteLog(ex);
}
if (config == null)
{
SendServerErrorCodeToResponse(context);
return;
}
CallResult handleRequestResult = null;
try {
handleRequestResult = OnHandleRequest.Invoke(config);
} catch (Exception ex) {
DLogger.WriteLog(ex);
SendServerErrorCodeToResponse(context);
#if DEBUG
throw ex;
#endif
}
if (handleRequestResult != null)
{
context.Response.AddHeader("Access-Control-Allow-Origin", "*");
context.Response.ContentType = handleRequestResult.ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.ContentLength64 = handleRequestResult.Bytes.LongLength;
context.Response.OutputStream.Write(handleRequestResult.Bytes, 0, handleRequestResult.Bytes.Length);
context.Response.OutputStream.Flush();
context.Response.OutputStream.Close();
context.Response.Close();
}
}
public void WriteToLog()
{
DLogger.WriteLog(Log);
}
