private CompiledScript CompileScript(PreludeScript prelude, string script, string fileName)
{
IntPtr query = Js1.CompileQuery(
prelude.GetHandle(), script, fileName, _commandHandlerRegisteredCallback, _reverseCommandHandlerDelegate);
CompiledScript.CheckResult(query, disposeScriptOnException: true);
return new CompiledScript(query, fileName);
}
private CompiledScript CompileScript(PreludeScript prelude, string script, string fileName)
{
IntPtr query = Js1.CompileQuery(
prelude.GetHandle(), script, fileName, _commandHandlerRegisteredCallback, _reverseCommandHandlerDelegate);
CompiledScript.CheckResult(query, disposeScriptOnException: true);
return(new CompiledScript(query, fileName));
}
private CompiledScript CompileScript(PreludeScript prelude, string script, string fileName)
{
prelude.ScheduleTerminateExecution();
IntPtr query = Js1.CompileQuery(
prelude.GetHandle(), script, fileName, _commandHandlerRegisteredCallback, _reverseCommandHandlerDelegate);
var terminated = prelude.CancelTerminateExecution();
CompiledScript.CheckResult(query, terminated, disposeScriptOnException: true);
return new CompiledScript(query);
}
private CompiledScript CompileScript(PreludeScript prelude, string script, string fileName)
{
prelude.ScheduleTerminateExecution();
IntPtr query = Js1.CompileQuery(
prelude.GetHandle(), script, fileName, _commandHandlerRegisteredCallback, _reverseCommandHandlerDelegate);
var terminated = prelude.CancelTerminateExecution();
CompiledScript.CheckResult(query, terminated, disposeScriptOnException: true);
return(new CompiledScript(query, fileName));
}
private static void Main(string[] args)
{
var preludeFileName = args[0];
var preludeScript = File.ReadAllText(preludeFileName);
var queryFileName = args[1];
var queryScript = File.ReadAllText(queryFileName);
Func<string, Tuple<string, string>> loadModule =
moduleName =>
{
var moduleFilename = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, moduleName + ".js");
return
Tuple.Create(
File.ReadAllText(moduleFilename),
moduleFilename);
};
using (var prelude = new PreludeScript(preludeScript, preludeFileName, loadModule))
using (var query = new QueryScript(prelude, queryScript, queryFileName))
using (var events = File.OpenText(args[2]))
using (var output = (args.Length >= 4) ? File.CreateText(args[3]) : Console.Out)
{
long totalMs = 0;
int count = 0;
query.Initialize();
if (output != null)
{
var capturedOutput = output;
query.Emit += s => capturedOutput.WriteLine(s.Trim());
}
var sw = new Stopwatch();
while (!events.EndOfStream)
{
var eventJson = events.ReadLine().Trim();
if (!string.IsNullOrWhiteSpace(eventJson))
{
sw.Start();
query.Push(eventJson, null);
count++;
sw.Stop();
}
}
totalMs = sw.ElapsedMilliseconds;
Console.WriteLine(query.GetState());
Console.WriteLine(query.GetStatistics());
Console.WriteLine("Total JS push processing time: {0,5:f2} ms", totalMs);
Console.WriteLine("Average time per 1000 pushes: {0,5:f2} ms", 1000f*totalMs/(float) count);
Console.WriteLine("Pure JS events per second: {0,5:f2} events", count*1000f/totalMs);
Console.WriteLine("Total events processed: {0} events", count);
}
}
private static void Main(string[] args)
{
var preludeFileName = args[0];
var preludeScript = File.ReadAllText(preludeFileName);
var queryFileName = args[1];
var queryScript = File.ReadAllText(queryFileName);
Func <string, Tuple <string, string> > loadModule =
moduleName =>
{
var moduleFilename = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, moduleName + ".js");
return
(Tuple.Create(
File.ReadAllText(moduleFilename),
moduleFilename));
};
using (var prelude = new PreludeScript(preludeScript, preludeFileName, loadModule))
using (var query = new QueryScript(prelude, queryScript, queryFileName))
using (var events = File.OpenText(args[2]))
using (var output = (args.Length >= 4) ? File.CreateText(args[3]) : Console.Out)
{
long totalMs = 0;
int count = 0;
query.Initialize();
if (output != null)
{
var capturedOutput = output;
query.Emit += s => capturedOutput.WriteLine(s.Trim());
}
var sw = new Stopwatch();
while (!events.EndOfStream)
{
var eventJson = events.ReadLine().Trim();
if (!string.IsNullOrWhiteSpace(eventJson))
{
sw.Start();
query.Push(eventJson, null);
count++;
sw.Stop();
}
}
totalMs = sw.ElapsedMilliseconds;
Console.WriteLine(query.GetState());
Console.WriteLine(query.GetStatistics());
Console.WriteLine("Total JS push processing time: {0,5:f2} ms", totalMs);
Console.WriteLine("Average time per 1000 pushes: {0,5:f2} ms", 1000f * totalMs / (float)count);
Console.WriteLine("Pure JS events per second: {0,5:f2} events", count * 1000f / totalMs);
Console.WriteLine("Total events processed: {0} events", count);
}
}
public QueryScript(PreludeScript prelude, string script, string fileName)
{
_prelude = prelude;
_commandHandlerRegisteredCallback = CommandHandlerRegisteredCallback;
_reverseCommandHandlerDelegate = ReverseCommandHandler;
_script = CompileScript(prelude, script, fileName);
try {
GetSources();
} catch {
Dispose();
throw;
}
}
public QueryScript(PreludeScript prelude, string script, string fileName)
{
_commandHandlerRegisteredCallback = CommandHandlerRegisteredCallback;
_reverseCommandHandlerDelegate = ReverseCommandHandler;
_script = CompileScript(prelude, script, fileName);
try
{
GetSources();
}
catch
{
Dispose();
throw;
}
}
public V8ProjectionStateHandler(
string preludeName, string querySource, Func<string, Tuple<string, string>> getModuleSource,
Action<string> logger)
{
var preludeSource = getModuleSource(preludeName);
var prelude = new PreludeScript(preludeSource.Item1, preludeSource.Item2, getModuleSource, logger);
QueryScript query;
try
{
query = new QueryScript(prelude, querySource, "POST-BODY");
query.Emit += QueryOnEmit;
}
catch
{
prelude.Dispose(); // clean up unmanaged resources if failed to create
throw;
}
_prelude = prelude;
_query = query;
}
public void long_execution_of_non_v8_code_does_not_crash()
{
_cancelCallbackFactory = (timeout, action) => ThreadPool.QueueUserWorkItem(state =>
{
Console.WriteLine("Calling a callback in " + timeout + "ms");
Thread.Sleep(timeout);
action();
});
Action<string> logger = Console.WriteLine;
Func<string, Tuple<string, string>> getModuleSource = name =>
{
var fullScriptFileName = Path.GetFullPath(Path.Combine(_jsPath, name + ".js"));
var scriptSource = File.ReadAllText(fullScriptFileName, Helper.UTF8NoBom);
return Tuple.Create(scriptSource, fullScriptFileName);
};
var preludeSource = getModuleSource("1Prelude");
var prelude = new PreludeScript(preludeSource.Item1, preludeSource.Item2, getModuleSource, _cancelCallbackFactory, logger);
try
{
//var cancelToken = 123;
prelude.ScheduleTerminateExecution();
Thread.Sleep(500);
_commandHandlerRegisteredCallback = (name, handle) => { };
_reverseCommandHandlerDelegate = (name, body) => { };
Js1.CompileQuery(
prelude.GetHandle(), "log(1);", "fn", _commandHandlerRegisteredCallback,
_reverseCommandHandlerDelegate);
prelude.CancelTerminateExecution();
}
catch
{
prelude.Dispose(); // clean up unmanaged resources if failed to create
throw;
}
}
public void can_compile_prelude_million_times()
{
_logger = s =>
{
if (!s.StartsWith("P:")) _logged.Add(s);
else _logDelegate(s);
};
_projection = @"
fromAll();
on_raw(function(state, event, streamId, eventType, sequenceNumber, metadata) {
emit('output-stream' + sequenceNumber, 'emitted-event' + sequenceNumber, {a: JSON.parse(event).a});
return {};
});
";
for (var i = 0; i < 10000000; i++)
{
_logged = new List<string>();
var preludeSource = DefaultV8ProjectionStateHandler.GetModuleSource("1Prelude");
using (
var prelude = new PreludeScript(
preludeSource.Item1, preludeSource.Item2, DefaultV8ProjectionStateHandler.GetModuleSource,
_logger))
{
}
}
}
