protected async override Task<NodeResultStatus> PerformExecuteAsync(IExecutionContext<T> context)
{
if (!string.IsNullOrEmpty(ExecutedScript))
{
LogWriter.Debug("ExecutedScript exists, running this script.");
var result = new NodeResult{IsSuccess = true};
using (var scope = new ManagerScope())
{
SetScriptIdIfEmpty();
var options = new ClearScript.Manager.ExecutionOptions
{
HostObjects = SetupHostObjects(context, result),
HostTypes = SetupHostTypes()
};
await scope.RuntimeManager.ExecuteAsync(ScriptId, ExecutedScript, options);
if (!result.IsSuccess)
{
return NodeResultStatus.Failed;
}
}
}
LogWriter.Debug("ExecutedScript doesn't exist.");
return NodeResultStatus.Succeeded;
}
public override async Task<bool> ShouldExecuteAsync(IExecutionContext<T> context)
{
if (string.IsNullOrEmpty(ShouldExecuteScript)) return true;
var result = new ShouldExecuteResult { ShouldExecute = true };
using (var scope = new ManagerScope())
{
SetScriptIdIfEmpty();
var options = new ClearScript.Manager.ExecutionOptions
{
HostObjects = SetupHostObjects(context, result),
HostTypes = SetupHostTypes()
};
await scope.RuntimeManager.ExecuteAsync(ScriptId, ShouldExecuteScript, options);
return result.ShouldExecute;
}
}
public async Task<V8ScriptEngine> ExecuteAsync(IEnumerable<IncludeScript> scripts, ExecutionOptions options = null)
{
var scriptList = PrecheckScripts(scripts);
if (scriptList == null)
return null;
foreach (var includeScript in scriptList)
{
if (string.IsNullOrEmpty(includeScript.ScriptId) && !string.IsNullOrEmpty(includeScript.Code))
{
includeScript.ScriptId = includeScript.Code.GetHashCode().ToString(CultureInfo.InvariantCulture);
}
}
if (options == null)
options = new ExecutionOptions();
var configAction = new Action<V8ScriptEngine>(engine => engine.ApplyOptions(options));
return await ExecuteAsync(scriptList, configAction, options);
}
public async Task<V8ScriptEngine> ExecuteAsync(string scriptId, string code, ExecutionOptions options = null)
{
return await ExecuteAsync(new[] {new IncludeScript {ScriptId = scriptId, Code = code}}, options);
}
public async Task<V8ScriptEngine> ExecuteAsync(IEnumerable<IncludeScript> scripts, Action<V8ScriptEngine> configAction, ExecutionOptions options = null)
{
var scriptList = PrecheckScripts(scripts);
if (scriptList == null)
return null;
if (options == null)
options = new ExecutionOptions();
IEnumerable<V8Script> compiledScripts = scriptList.Select(x => _scriptCompiler.Compile(x, options.AddToCache, options.CacheExpirationSeconds));
GetEngine();
if (AddConsoleReference)
{
_scriptEngine.AddHostType("Console", typeof (Console));
}
RequireManager.BuildRequirer(_scriptCompiler, _scriptEngine);
if (configAction != null)
{
configAction(_scriptEngine);
}
if (options.Scripts != null)
{
foreach (var script in options.Scripts)
{
var compiledInclude = _scriptCompiler.Compile(script, options.AddToCache);
if (compiledInclude != null)
{
_scriptEngine.Execute(compiledInclude);
}
}
}
foreach (var compiledScript in compiledScripts)
{
//Only create a wrapping task if the script has a timeout.
CancellationToken cancellationToken;
if (TryCreateCancellationToken(out cancellationToken))
{
using (cancellationToken.Register(_scriptEngine.Interrupt))
{
try
{
V8Script script = compiledScript;
await Task.Run(() => _scriptEngine.Execute(script), cancellationToken).ConfigureAwait(false);
}
catch (ScriptInterruptedException ex)
{
var newEx = new ScriptInterruptedException(
"Script interruption occurred, this often indicates a script timeout. Examine the data and inner exception for more information.", ex);
newEx.Data.Add("Timeout", _settings.ScriptTimeoutMilliSeconds);
newEx.Data.Add("ScriptId", compiledScript.Name);
throw newEx;
}
}
}
else
{
_scriptEngine.Execute(compiledScript);
}
}
return _scriptEngine;
}
public async Task<V8ScriptEngine> ExecuteAsync(string scriptId, string code, Action<V8ScriptEngine> configAction, ExecutionOptions options = null)
{
return await ExecuteAsync(new[] {new IncludeScript {Code = code, ScriptId = scriptId}}, configAction, options);
}
public async Task <V8ScriptEngine> ExecuteAsync(IEnumerable <IncludeScript> scripts, ExecutionOptions options = null)
{
var scriptList = PrecheckScripts(scripts);
if (scriptList == null)
{
return(null);
}
foreach (var includeScript in scriptList)
{
if (string.IsNullOrEmpty(includeScript.ScriptId) && !string.IsNullOrEmpty(includeScript.Code))
{
includeScript.ScriptId = includeScript.Code.GetHashCode().ToString(CultureInfo.InvariantCulture);
}
}
if (options == null)
{
options = new ExecutionOptions();
}
var configAction = new Action <V8ScriptEngine>(engine => engine.ApplyOptions(options));
return(await ExecuteAsync(scriptList, configAction, options));
}
public async Task <V8ScriptEngine> ExecuteAsync(string scriptId, string code, ExecutionOptions options = null)
{
return(await ExecuteAsync(new[] { new IncludeScript {
ScriptId = scriptId, Code = code
} }, options));
}
public async Task <V8ScriptEngine> ExecuteAsync(IEnumerable <IncludeScript> scripts, Action <V8ScriptEngine> configAction, ExecutionOptions options = null)
{
var scriptList = PrecheckScripts(scripts);
if (scriptList == null)
{
return(null);
}
if (options == null)
{
options = new ExecutionOptions();
}
IEnumerable <V8Script> compiledScripts = scriptList.Select(x => _scriptCompiler.Compile(x, options.AddToCache, options.CacheExpirationSeconds));
GetEngine();
if (AddConsoleReference)
{
_scriptEngine.AddHostType("Console", typeof(Console));
}
RequireManager.BuildRequirer(_scriptCompiler, _scriptEngine);
if (configAction != null)
{
configAction(_scriptEngine);
}
if (options.Scripts != null)
{
foreach (var script in options.Scripts)
{
var compiledInclude = _scriptCompiler.Compile(script, options.AddToCache);
if (compiledInclude != null)
{
_scriptEngine.Execute(compiledInclude);
}
}
}
foreach (var compiledScript in compiledScripts)
{
//Only create a wrapping task if the script has a timeout.
CancellationToken cancellationToken;
if (TryCreateCancellationToken(out cancellationToken))
{
using (cancellationToken.Register(_scriptEngine.Interrupt))
{
try
{
V8Script script = compiledScript;
await Task.Run(() => _scriptEngine.Execute(script), cancellationToken).ConfigureAwait(false);
}
catch (ScriptInterruptedException ex)
{
var newEx = new ScriptInterruptedException(
"Script interruption occurred, this often indicates a script timeout. Examine the data and inner exception for more information.", ex);
newEx.Data.Add("Timeout", _settings.ScriptTimeoutMilliSeconds);
newEx.Data.Add("ScriptId", compiledScript.Name);
throw newEx;
}
}
}
else
{
_scriptEngine.Execute(compiledScript);
}
}
return(_scriptEngine);
}
public async Task <V8ScriptEngine> ExecuteAsync(string scriptId, string code, Action <V8ScriptEngine> configAction, ExecutionOptions options = null)
{
return(await ExecuteAsync(new[] { new IncludeScript {
Code = code, ScriptId = scriptId
} }, configAction, options));
}
