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ServerPlugin.cpp
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ServerPlugin.cpp
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#include "ServerPlugin.h"
#include "Widgets/CodeWidget.h"
#include <QFileDialog>
#include <QList>
#include <QTemporaryFile>
#include <thread>
#include <memory>
CallData::~CallData() {}
template <class T>
struct AsyncReadWorker : public CallData {
T element;
std::unique_ptr<ClientAsyncReader<T>> stream;
virtual ~AsyncReadWorker() override {}
void operator()(const Status& /*status*/) override {
switch (state) {
case AsyncState::CONNECT: {
started();
state = AsyncState::READ;
stream->Read(&element, this);
break;
}
case AsyncState::READ: {
process(element);
state = AsyncState::READ;
stream->Read(&element, this);
break;
}
case AsyncState::FINISH: {
finished();
break;
}
default:
// TODO: Report error
break;
}
}
virtual void start() final {
state = AsyncState::CONNECT;
stream->StartCall(this);
}
virtual void finish() final {
state = AsyncState::FINISH;
stream->Finish(&status, this);
}
virtual void started() {}
virtual void finished() {}
virtual void process(const T&) = 0;
};
template <class T>
struct AsyncResponseReadWorker : public CallData {
T element;
std::unique_ptr<ClientAsyncResponseReader<T>> stream;
virtual ~AsyncResponseReadWorker() override {}
void operator()(const Status& /*status*/) override {
switch (state) {
case AsyncState::FINISH: {
finished(element);
break;
}
default:
// TODO: Report error
break;
}
}
virtual void start() final {
stream->StartCall();
started();
state = AsyncState::FINISH;
stream->Finish(&element, &status, this);
}
virtual void finish() final {}
virtual void started() {}
virtual void finished(const T&) {}
};
struct ResourceReader : public AsyncReadWorker<Resource> {
virtual ~ResourceReader() {}
virtual void started() final { CodeWidget::prepareKeywordStore(); }
virtual void process(const Resource& resource) final {
const QString& name = QString::fromStdString(resource.name().c_str());
KeywordType type = KeywordType::UNKNOWN;
if (resource.is_function()) {
type = KeywordType::FUNCTION;
for (int i = 0; i < resource.overload_count(); ++i) {
QString overload = QString::fromStdString(resource.parameters(i));
const QStringRef signature = QStringRef(&overload, overload.indexOf("(") + 1, overload.lastIndexOf(")"));
CodeWidget::addCalltip(name, signature.toString(), type);
}
} else {
if (resource.is_global()) type = KeywordType::GLOBAL;
if (resource.is_type_name()) type = KeywordType::TYPE_NAME;
CodeWidget::addKeyword(name, type);
}
}
virtual void finished() final { CodeWidget::finalizeKeywords(); }
};
struct SystemReader : public AsyncReadWorker<SystemType> {
virtual ~SystemReader() {}
virtual void process(const SystemType& system) final {
static auto& systemCache = MainWindow::systemCache;
const QString systemName = QString::fromStdString(system.name());
systemCache.append(system);
}
};
struct CompileReader : public AsyncReadWorker<CompileReply> {
virtual ~CompileReader() {}
virtual void process(const CompileReply& reply) final {
for (auto log : reply.message()) {
emit LogOutput(log.message().c_str());
}
}
virtual void finished() final { emit CompileStatusChanged(true); }
};
struct SyntaxCheckReader : public AsyncResponseReadWorker<SyntaxError> {
virtual ~SyntaxCheckReader() {}
virtual void finished(const SyntaxError&) final {}
};
CompilerClient::~CompilerClient() {}
CompilerClient::CompilerClient(std::shared_ptr<Channel> channel, MainWindow& mainWindow)
: QObject(&mainWindow), stub(Compiler::NewStub(channel)), mainWindow(mainWindow) {
// start a blocking thread to poll for GRPC events
// and dispatch them back to the GUI thread
std::thread([this](){
while(true) {
void* got_tag = nullptr; bool ok = false;
// block for next GRPC event, break if shutdown
if (!this->cq.Next(&got_tag, &ok)) break;
// block until GUI thread handles GRPC event
QMetaObject::invokeMethod(this, "UpdateLoop", Qt::BlockingQueuedConnection,
Q_ARG(void*, got_tag), Q_ARG(bool, ok));
}
}).detach();
}
void CompilerClient::CompileBuffer(Game* game, CompileMode mode, std::string name) {
emit CompileStatusChanged();
auto* callData = ScheduleTask<CompileReader>();
CompileRequest request;
request.mutable_game()->CopyFrom(*game);
request.set_name(name);
request.set_mode(mode);
auto worker = dynamic_cast<AsyncReadWorker<CompileReply>*>(callData);
worker->stream = stub->PrepareAsyncCompileBuffer(&worker->context, request, &cq);
callData->start();
}
void CompilerClient::CompileBuffer(Game* game, CompileMode mode) {
QTemporaryFile* t = new QTemporaryFile(QDir::temp().filePath("enigmaXXXXXX"), &mainWindow);
if (!t->open()) return;
t->close();
CompileBuffer(game, mode, (t->fileName() + ".exe").toStdString());
}
void CompilerClient::GetResources() {
auto* callData = ScheduleTask<ResourceReader>();
Empty emptyRequest;
auto worker = dynamic_cast<AsyncReadWorker<Resource>*>(callData);
worker->stream = stub->PrepareAsyncGetResources(&worker->context, emptyRequest, &cq);
callData->start();
}
void CompilerClient::GetSystems() {
auto* callData = ScheduleTask<SystemReader>();
Empty emptyRequest;
auto worker = dynamic_cast<AsyncReadWorker<SystemType>*>(callData);
worker->stream = stub->PrepareAsyncGetSystems(&worker->context, emptyRequest, &cq);
callData->start();
}
void CompilerClient::SetDefinitions(std::string code, std::string yaml) {
auto* callData = ScheduleTask<SyntaxCheckReader>();
SetDefinitionsRequest definitionsRequest;
definitionsRequest.set_code(code);
definitionsRequest.set_yaml(yaml);
auto worker = dynamic_cast<AsyncResponseReadWorker<SyntaxError>*>(callData);
worker->stream = stub->PrepareAsyncSetDefinitions(&worker->context, definitionsRequest, &cq);
callData->start();
}
void CompilerClient::SetCurrentConfig(const resources::Settings& settings) {
auto* callData = ScheduleTask<AsyncResponseReadWorker<Empty>>();
SetCurrentConfigRequest setConfigRequest;
setConfigRequest.mutable_settings()->CopyFrom(settings);
auto worker = dynamic_cast<AsyncResponseReadWorker<Empty>*>(callData);
worker->stream = stub->PrepareAsyncSetCurrentConfig(&worker->context, setConfigRequest, &cq);
callData->start();
}
void CompilerClient::SyntaxCheck() {
auto* callData = ScheduleTask<SyntaxCheckReader>();
SyntaxCheckRequest syntaxCheckRequest;
auto worker = dynamic_cast<AsyncResponseReadWorker<SyntaxError>*>(callData);
worker->stream = stub->PrepareAsyncSyntaxCheck(&worker->context, syntaxCheckRequest, &cq);
callData->start();
}
template <typename T>
T* CompilerClient::ScheduleTask() {
auto callData = new T();
connect(callData, &CallData::LogOutput, this, &CompilerClient::LogOutput);
connect(callData, &CallData::CompileStatusChanged, this, &CompilerClient::CompileStatusChanged);
return callData;
}
void CompilerClient::UpdateLoop(void* got_tag, bool ok) {
if (!got_tag) return;
auto callData = static_cast<CallData*>(got_tag);
if (callData->state != AsyncState::DISCONNECTED && !ok) {
callData->finish();
return;
}
(*callData)(callData->status);
if (callData->state == AsyncState::FINISH) {
delete callData;
}
}
ServerPlugin::ServerPlugin(MainWindow& mainWindow) : RGMPlugin(mainWindow) {
// create a new child process for us to launch an emake server
process = new QProcess(this);
connect(process, &QProcess::errorOccurred, [&](QProcess::ProcessError error) {
qDebug() << "QProcess error: " << error << endl;
});
connect(process, &QProcess::readyReadStandardOutput, [&]() {
emit LogOutput(process->readAllStandardOutput());
});
connect(process, &QProcess::readyReadStandardError, [&]() {
emit LogOutput(process->readAllStandardError());
});
#ifdef _WIN32
//TODO: Make all this stuff configurable in IDE
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
// FIXME: this is just an approximate guess on how to get emake running outside a msys shell and currently causes emake to crash
QString msysPath;
if (!env.contains("MSYS_ROOT")) {
msysPath = env.value("SystemDrive", "C:") + "/msys64";
qDebug().noquote() << "Environmental variable \"MSYS_ROOT\" is not set defaulting MSYS path to: " + msysPath;
} else msysPath = env.value("MSYS_ROOT");
env.insert("PATH", env.value("PATH") + ";" + msysPath + "/usr/bin;" + msysPath + "/mingw64/bin");
process->setProcessEnvironment(env);
#endif
// look for an executable file that looks like emake in some common directories
QList<QString> searchPaths = {QDir::currentPath(), "./enigma-dev", "../enigma-dev", "../RadialGM/Submodules/enigma-dev"};
#ifndef RGM_DEBUG
QString emakeName = "emake";
#else
QString emakeName = "emake-debug";
#endif
QFileInfo emakeFileInfo;
foreach (auto path, searchPaths) {
const QDir dir(path);
QDir::Filters filters = QDir::Filter::Executable | QDir::Filter::Files;
auto entryList = dir.entryInfoList(QStringList({emakeName, emakeName + ".exe"}), filters, QDir::SortFlag::NoSort);
if (!entryList.empty()) {
emakeFileInfo = entryList.first();
break;
}
}
if (emakeFileInfo.filePath().isEmpty()) {
qDebug() << "Error: Failed to locate emake. Compiling and syntax check will not work.\n" << "Search Paths:\n" << searchPaths;
return;
}
QFileInfo enigmaFileInfo;
foreach (auto path, searchPaths) {
const QDir dir(path);
QDir::Filters filters = QDir::Filter::AllEntries;
auto entryList = dir.entryInfoList(QStringList({"ENIGMAsystem"}), filters, QDir::SortFlag::NoSort);
if (!entryList.empty()) {
enigmaFileInfo = entryList.first();
break;
}
}
if (enigmaFileInfo.filePath().isEmpty()) {
qDebug() << "Error: Failed to locate ENIGMA sources. Compiling and syntax check will not work.\n" << "Search Paths:\n" << searchPaths;
return;
}
// use the closest matching emake file we found and launch it in a child process
qDebug() << "Using emake exe at: " << emakeFileInfo.absolutePath();
qDebug() << "Using ENIGMA sources at: " << enigmaFileInfo.absolutePath();
process->setWorkingDirectory(emakeFileInfo.absolutePath());
QString program = emakeFileInfo.fileName();
QStringList arguments;
arguments << "--server"
<< "-e"
<< "Paths"
<< "-r"
<< "--quiet"
<< "--enigma-root"
<< enigmaFileInfo.absolutePath();
qDebug() << "Running: " << program << " " << arguments;
process->start(program, arguments);
process->waitForStarted();
// construct the channel and connect to the server running in the process
// Note: gRPC is too dumb to resolve localhost on linux
std::shared_ptr<Channel> channel = CreateChannel("127.0.0.1:37818", InsecureChannelCredentials());
compilerClient = new CompilerClient(channel, mainWindow);
connect(compilerClient, &CompilerClient::CompileStatusChanged, this, &RGMPlugin::CompileStatusChanged);
// hookup emake's output to our plugin's output signals so it redirects to the
// main output dock widget (thread safe and don't block the main event loop!)
connect(compilerClient, &CompilerClient::LogOutput, this, &RGMPlugin::LogOutput);
// update initial keyword set and systems
compilerClient->GetResources();
compilerClient->GetSystems();
}
ServerPlugin::~ServerPlugin() { process->close(); }
void ServerPlugin::Run() { compilerClient->CompileBuffer(mainWindow.Game(), CompileRequest::RUN); };
void ServerPlugin::Debug() { compilerClient->CompileBuffer(mainWindow.Game(), CompileRequest::DEBUG); };
void ServerPlugin::CreateExecutable() {
const QString& fileName =
QFileDialog::getSaveFileName(&mainWindow, tr("Create Executable"), "", tr("Executable (*.exe);;All Files (*)"));
if (!fileName.isEmpty())
compilerClient->CompileBuffer(mainWindow.Game(), CompileRequest::COMPILE, fileName.toStdString());
};
void ServerPlugin::SetCurrentConfig(const resources::Settings& settings) {
compilerClient->SetCurrentConfig(settings);
};