void WorkerBinding::CreateWorker(const ValueList& args, SharedValue result)
{
if (args.size()!=2)
{
throw ValueException::FromString("invalid argument specified");
}
bool is_function = args.at(1)->ToBool();
std::string code;
Logger *logger = Logger::Get("Worker");
if (is_function)
{
// convert the function to a string block
code = "(";
code += args.at(0)->ToString();
code += ")()";
}
else
{
// this is a path -- probably should verify that this is relative and not an absolute URL to remote
SharedKMethod appURLToPath = global->GetNS("App.appURLToPath")->ToMethod();
ValueList a;
a.push_back(args.at(0));
SharedValue result = appURLToPath->Call(a);
const char *path = result->ToString();
logger->Debug("worker file path = %s",path);
std::ios::openmode flags = std::ios::in;
Poco::FileInputStream *fis = new Poco::FileInputStream(path,flags);
std::stringstream ostr;
char buf[8096];
int count = 0;
while(!fis->eof())
{
fis->read((char*)&buf,8095);
std::streamsize len = fis->gcount();
if (len>0)
{
buf[len]='\0';
count+=len;
ostr << buf;
}
else break;
}
fis->close();
code = std::string(ostr.str());
}
logger->Debug("Worker script code = %s", code.c_str());
SharedKObject worker = new Worker(host,global,code);
result->SetObject(worker);
}
int main(int argc, char ** argv) {
try {
Appender errApp("Error.log", Level::ERROR, false);
Appender debugApp("Debug.log", Level::DEBUG, true);
Appender * dynApp = new Appender("Dynamic.log", Level::INFO, false);
try {
Appender badApp("Error.log", Level::ERROR, false);
} catch ( exception & e ) {
cout << "Correctly failed to open two appenders to one file." << endl;
}
logger1.Error("This should show up for all Appenders");
delete dynApp;
logger1.Error("This should only be in Error and Debug");
logger2.Info("This should only be in debug");
Appender::enableConsole(Level::INFO);
logger1.Info("This should show up on the console.");
logger2.Debug("This should only be in the debug log");
fLogger.Info("Entering Foo");
foo();
fLogger.Info("Exiting foo.");
Appender::enableConsole(Level::DEBUG);
logger2.Debug("This will be in the console.");
logger1.fDebug("%s - %i", "format test", 42);
Appender::disableConsole();
logger2.Debug("This will not be on the console.");
logger1.Error("Exiting");
} catch ( exception & e ) {
cerr << "Unhandled exception: ";
cerr << e.what() << endl;
cerr << "Exiting." << endl;
return 1;
}
return 0;
}
void WorkerContext::Sleep(const ValueList &args, KValueRef result)
{
Logger *logger = Logger::Get("WorkerContext");
long ms = args.at(0)->ToInt();
logger->Debug("worker is sleeping for %d ms", ms);
condmutex.lock();
if (condition.tryWait(condmutex, ms))
{
logger->Debug("worker sleep was interrupted");
condmutex.unlock();
throw ValueException::FromString("interrupted");
return;
}
condmutex.unlock();
logger->Debug("worker sleep completed");
}
void WorkerContext::SendQueuedMessages()
{
Logger *logger = Logger::Get("WorkerContext");
logger->Debug("SendQueuedMessages called");
SharedValue onmessage = worker->Get("onmessage");
Poco::ScopedLock<Poco::Mutex> lock(mutex);
if (onmessage->IsMethod())
{
if (messages.size()>0)
{
std::list<SharedValue>::iterator i = messages.begin();
while(i!=messages.end())
{
SharedValue v = (*i++);
ValueList _args;
string name = "worker.message";
AutoPtr<KEventObject> target = this;
this->duplicate();
AutoPtr<Event> event = new Event(target, name);
event->Set("message", v);
_args.push_back(Value::NewObject(event));
host->InvokeMethodOnMainThread(onmessage->ToMethod(),_args,false);
}
messages.clear();
}
}
}
void test_Logger(){
{
Logger lg;
lg.Log(LOG_WARN, "Test logger");
lg.Debug("logger debug");
lg.Fatal("Fatal test [%s] [%d]", "args", 1);
lg.SetHandler("test_log");
lg.SetLevel(LOG_ALL);
lg.Info("info test [%s]", "args");
Logger* lg_ptr = Logger::GetLogger("test");
lg_ptr->Error("You can see me in file test");
Logger* lg_ptr2 = Logger::GetLogger();
lg_ptr2->Error("You can see me in console");
}
{
LOG(LOG_DEBUG, "log debug info: %s", "Hello");
}
{
SetLogger(LOG_WARN, "test_logger.log");
LOG(LOG_DEBUG, "DEBUG NO SEE, you should not see this");
LOG(LOG_ERROR, "ERROR, you should know");
LOG(LOG_WARN, "WARN, you should see this");
}
{
SetLogger(LOG_ALL);
LOG(LOG_DEBUG, "DEBUG [%d], you should see this", LOG_DEBUG);
LOG(LOG_WARN, "LOG_WARN [%d], you should see this", LOG_WARN);
LOG(LOG_ERROR, "LOG_ERROR [%d], you should see this", LOG_ERROR);
LOG(LOG_FATAL, "LOG_FATAL [%d], you should see this", LOG_FATAL);
}
}
void AsyncCopy::Copy(Poco::Path &src, Poco::Path &dest)
{
Logger* logger = Logger::Get("Filesystem.AsyncCopy");
std::string srcString = src.toString();
std::string destString = dest.toString();
Poco::File from(srcString);
bool isLink = from.isLink();
logger->Debug("file=%s dest=%s link=%i", srcString.c_str(), destString.c_str(), isLink);
#ifndef OS_WIN32
if (isLink)
{
char linkPath[PATH_MAX];
ssize_t length = readlink(from.path().c_str(), linkPath, PATH_MAX);
linkPath[length] = '\0';
std::string newPath (dest.toString());
const char *destPath = newPath.c_str();
unlink(destPath); // unlink it first, fails in some OS if already there
int result = symlink(linkPath, destPath);
if (result == -1)
{
std::string err = "Copy failed: Could not make symlink (";
err.append(destPath);
err.append(") from ");
err.append(linkPath);
err.append(" : ");
err.append(strerror(errno));
throw kroll::ValueException::FromString(err);
}
}
#endif
if (!isLink && from.isDirectory())
{
Poco::File d(dest.toString());
if (!d.exists())
{
d.createDirectories();
}
std::vector<std::string> files;
from.list(files);
std::vector<std::string>::iterator i = files.begin();
while(i!=files.end())
{
std::string fn = (*i++);
Poco::Path sp(kroll::FileUtils::Join(src.toString().c_str(),fn.c_str(),NULL));
Poco::Path dp(kroll::FileUtils::Join(dest.toString().c_str(),fn.c_str(),NULL));
this->Copy(sp,dp);
}
}
else if (!isLink)
{
// in this case it's a regular file
Poco::File s(src.toString());
s.copyTo(dest.toString().c_str());
}
}
void Worker::Terminate(const ValueList& args, SharedValue result)
{
Logger *logger = Logger::Get("Worker");
logger->Debug("Terminate called");
Poco::ScopedLock<Poco::Mutex> lock(mutex);
if (!stopped)
{
stopped=true;
this->condition.signal();
}
}
void WorkerContext::PostMessage(const ValueList &args, KValueRef result)
{
Logger *logger = Logger::Get("WorkerContext");
KValueRef message(args.at(0));
logger->Debug("PostMessage called with %s", message->DisplayString()->c_str());
{
Poco::ScopedLock<Poco::Mutex> lock(mutex);
messages.push_back(message);
}
SendQueuedMessages();
}
bool FileStream::Open(FileStreamMode mode, bool binary, bool append)
{
// close the prev stream if needed
this->Close();
try
{
std::ios::openmode flags = (std::ios::openmode) 0;
bool output = false;
if (binary)
{
flags|=std::ios::binary;
}
if (mode == MODE_APPEND)
{
flags|=std::ios::out|std::ios::app;
output = true;
}
else if (mode == MODE_WRITE)
{
flags |= std::ios::out|std::ios::trunc;
output = true;
}
else if (mode == MODE_READ)
{
flags |= std::ios::in;
}
#ifdef DEBUG
Logger* logger = Logger::Get("Filesystem.FileStream");
logger->Debug("FILE OPEN FLAGS = %d, binary=%d, mode=%d, append=%d",flags,binary,(int)mode,append);
#endif
if (output)
{
this->stream = new Poco::FileOutputStream(this->filename,flags);
#ifndef OS_WIN32
chmod(this->filename.c_str(),S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
#endif
}
else
{
this->stream = new Poco::FileInputStream(this->filename,flags);
}
return true;
}
catch (Poco::Exception& exc)
{
Logger* logger = Logger::Get("Filesystem.FileStream");
logger->Error("Error in open. Exception: %s",exc.displayText().c_str());
throw ValueException::FromString(exc.displayText());
}
}
void Worker::Start(const ValueList& args, SharedValue result)
{
Logger *logger = Logger::Get("Worker");
logger->Debug("Start called");
if (!stopped)
{
throw ValueException::FromString("Worker already started");
return;
}
this->context = new WorkerContext(host,this);
this->adapter = new Poco::RunnableAdapter<Worker>(*this, &Worker::Run);
this->thread.start(*adapter);
}
void WorkerContext::ImportScripts(const ValueList &args, KValueRef result)
{
Logger *logger = Logger::Get("WorkerContext");
AutoPtr<Worker> _worker = worker.cast<Worker>();
JSGlobalContextRef context = KJSUtil::GetGlobalContext(_worker->GetGlobalObject());
for (size_t c = 0; c < args.size(); c++)
{
std::string path(URLUtils::URLToPath(args.GetString(c)));
logger->Debug("Attempting to import worker script = %s", path.c_str());
KJSUtil::EvaluateFile(context, path.c_str());
}
}
void WorkerContext::PostMessage(const ValueList &args, SharedValue result)
{
Logger *logger = Logger::Get("WorkerContext");
logger->Debug("PostMessage called");
try
{
Poco::ScopedLock<Poco::Mutex> lock(mutex);
messages.push_back(args.at(0));
SendQueuedMessages();
}
catch(std::exception &e)
{
logger->Error("Error calling onmessage for worker. Error = %s",e.what());
}
}
void WorkerContext::ImportScripts(const ValueList &args, SharedValue result)
{
Logger *logger = Logger::Get("WorkerContext");
SharedKMethod appURLToPath = host->GetGlobalObject()->GetNS("App.appURLToPath")->ToMethod();
AutoPtr<Worker> _worker = worker.cast<Worker>();
JSGlobalContextRef context = KJSUtil::GetGlobalContext(_worker->GetGlobalObject());
for (size_t c = 0; c < args.size(); c++)
{
// first convert the path to a full URL file path
ValueList a;
a.push_back(args.at(c));
SharedValue result = appURLToPath->Call(a);
const char *path = result->ToString();
logger->Debug("attempting to import worker script = %s",path);
KJSUtil::EvaluateFile(context, (char*)path);
}
}
void WorkerContext::SendQueuedMessages()
{
Logger *logger = Logger::Get("WorkerContext");
logger->Debug("SendQueuedMessages called");
if (messages.size() <= 0)
return;
KValueRef onMessageValue = worker->Get("onmessage");
if (!onMessageValue->IsMethod())
return;
KMethodRef onMessage(onMessageValue->ToMethod());
Poco::ScopedLock<Poco::Mutex> lock(mutex);
std::list<KValueRef>::iterator i = messages.begin();
while (i != messages.end())
{
KValueRef message(*i++);
this->CallOnMessageCallback(onMessage, message);
}
messages.clear();
}
void AsyncCopy::Run(void* data)
{
START_KROLL_THREAD;
Logger* logger = Logger::Get("Filesystem.AsyncCopy");
AsyncCopy* ac = static_cast<AsyncCopy*>(data);
std::vector<std::string>::iterator iter = ac->files.begin();
Poco::Path to(ac->destination);
Poco::File tof(to.toString());
logger->Debug("Job started: dest=%s, count=%i", ac->destination.c_str(), ac->files.size());
if (!tof.exists())
{
tof.createDirectory();
}
int c = 0;
while (!ac->stopped && iter!=ac->files.end())
{
bool err_copy = false;
std::string file = (*iter++);
c++;
logger->Debug("File: path=%s, count=%i\n", file.c_str(), c);
try
{
Poco::Path from(file);
Poco::File f(file);
if (f.isDirectory())
{
ac->Copy(from,to);
}
else
{
Poco::Path dest(to,from.getFileName());
ac->Copy(from,dest);
}
logger->Debug("File copied");
KValueRef value = Value::NewString(file);
ValueList args;
args.push_back(value);
args.push_back(Value::NewInt(c));
args.push_back(Value::NewInt(ac->files.size()));
args.push_back(Value::NewBool(true));
RunOnMainThread(ac->callback, args, false);
logger->Debug("Callback executed");
}
catch (ValueException &ex)
{
err_copy = true;
SharedString ss = ex.DisplayString();
logger->Error(std::string("Error: ") + *ss + " for file: " + file);
}
catch (Poco::Exception &ex)
{
err_copy = true;
logger->Error(std::string("Error: ") + ex.displayText() + " for file: " + file);
}
catch (std::exception &ex)
{
err_copy = true;
logger->Error(std::string("Error: ") + ex.what() + " for file: " + file);
}
catch (...)
{
err_copy = true;
logger->Error(std::string("Unknown error during copy: ") + file);
}
try
{
if(err_copy)
{
KValueRef value = Value::NewString(file);
ValueList args;
args.push_back(value);
args.push_back(Value::NewInt(c));
args.push_back(Value::NewInt(ac->files.size()));
args.push_back(Value::NewBool(false));
RunOnMainThread(ac->callback, args, false);
}
}
catch(...)
{
err_copy = true;
logger->Error(std::string("Unknown error during copy: ") + file);
}
}
ac->Set("running",Value::NewBool(false));
ac->stopped = true;
logger->Debug(std::string("Job finished"));
END_KROLL_THREAD;
}
void Worker::Run()
{
Logger *logger = Logger::Get("Worker");
bool error = false;
JSGlobalContextRef context = NULL;
try
{
// create a new global context
this->global_object = KJSUtil::CreateNewGlobalContext(this->host);
// bind the worker context properties
KJSUtil::BindProperties(global_object,this->context);
// evaluate the script
context = KJSUtil::GetGlobalContext(global_object);
KJSUtil::Evaluate(context, (char*)this->code.c_str());
}
catch(std::exception &e)
{
error = true;
logger->Error("Error loading worker. Error = %s", e.what());
SharedValue onerror = this->Get("onerror");
if (onerror->IsMethod())
{
SharedKMethod method = onerror->ToMethod();
ValueList args;
args.push_back(Value::NewString(e.what()));
this->host->InvokeMethodOnMainThread(method,args,false);
}
}
if (!error)
{
// run this thread and wait for pending messages or to be
// woken up to stop
for(;;)
{
bool wait = true;
{
Poco::ScopedLock<Poco::Mutex> lock(mutex);
if (this->messages.size()>0)
{
wait=false;
}
}
if (wait)
{
condmutex.lock(); // will unlock in wait
condition.wait(condmutex);
}
// check to see if the worker wants to receive messages - we do this
// each time since they could define at any time
SharedValue mv = KJSUtil::GetProperty(global_object,"onmessage");
if (mv->IsMethod())
{
// we have to make a copy since calling the onmessage could be re-entrant
// which would cause the postMessage to deadlock. we hold the lock to
// make a copy of the contents of the list and then iterate w/o lock
std::list<SharedValue> copy;
{
// lock inside block only to make copy
Poco::ScopedLock<Poco::Mutex> lock(mutex);
if (this->messages.size()>0)
{
std::list<SharedValue>::iterator i = this->messages.begin();
while (i!=this->messages.end())
{
SharedValue message = (*i++);
copy.push_back(message);
}
this->messages.clear();
}
}
if (copy.size()>0)
{
SharedKMethod onmessage = mv->ToMethod();
std::list<SharedValue>::iterator i = copy.begin();
while(i!=copy.end())
{
SharedValue message = (*i++);
try
{
ValueList args;
string name = "worker.message";
AutoPtr<KEventObject> target = this;
this->duplicate();
AutoPtr<Event> event = new Event(target, name);
event->Set("message", message);
args.push_back(Value::NewObject(event));
host->InvokeMethodOnMainThread(onmessage,args,false);
}
catch(std::exception &e)
{
logger->Error("Error dispatching worker message, exception = %s",e.what());
}
}
}
}
if (stopped) break;
}
}
// make sure we unregister our global so we don't leak
if (global_object!=NULL)
{
KJSUtil::UnregisterGlobalContext(global_object);
}
this->global_object = NULL;
this->stopped = true;
logger->Debug("exiting Worker thread");
}
