mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
218 lines
5.7 KiB
C++
218 lines
5.7 KiB
C++
#include "FlatBufferClient.h"
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// qt
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#include <QTcpSocket>
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#include <QHostAddress>
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#include <QTimer>
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#include <QRgb>
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#include <hyperion/Hyperion.h>
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#include <hyperion/HyperionIManager.h>
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FlatBufferClient::FlatBufferClient(QTcpSocket* socket, const int &timeout, QObject *parent)
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: QObject(parent)
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, _log(Logger::getInstance("FLATBUFSERVER"))
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, _socket(socket)
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, _clientAddress("@"+socket->peerAddress().toString())
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, _timeoutTimer(new QTimer(this))
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, _timeout(timeout * 1000)
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, _priority()
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{
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// timer setup
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_timeoutTimer->setSingleShot(true);
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_timeoutTimer->setInterval(_timeout);
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connect(_timeoutTimer, &QTimer::timeout, this, &FlatBufferClient::forceClose);
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// connect socket signals
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connect(_socket, &QTcpSocket::readyRead, this, &FlatBufferClient::readyRead);
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connect(_socket, &QTcpSocket::disconnected, this, &FlatBufferClient::disconnected);
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}
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void FlatBufferClient::readyRead()
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{
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_timeoutTimer->start();
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_receiveBuffer += _socket->readAll();
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// check if we can read a header
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while(_receiveBuffer.size() >= 4)
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{
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uint32_t messageSize =
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((_receiveBuffer[0]<<24) & 0xFF000000) |
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((_receiveBuffer[1]<<16) & 0x00FF0000) |
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((_receiveBuffer[2]<< 8) & 0x0000FF00) |
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((_receiveBuffer[3] ) & 0x000000FF);
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// check if we can read a complete message
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if((uint32_t) _receiveBuffer.size() < messageSize + 4) return;
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// extract message only and remove header + msg from buffer :: QByteArray::remove() does not return the removed data
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const QByteArray msg = _receiveBuffer.right(messageSize);
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_receiveBuffer.remove(0, messageSize + 4);
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const auto* msgData = reinterpret_cast<const uint8_t*>(msg.constData());
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flatbuffers::Verifier verifier(msgData, messageSize);
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if (hyperionnet::VerifyRequestBuffer(verifier))
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{
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auto message = hyperionnet::GetRequest(msgData);
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handleMessage(message);
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continue;
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}
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sendErrorReply("Unable to parse message");
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}
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}
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void FlatBufferClient::forceClose()
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{
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_socket->close();
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}
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void FlatBufferClient::disconnected()
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{
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Debug(_log, "Socket Closed");
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_socket->deleteLater();
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emit clearGlobalInput(_priority);
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emit clientDisconnected();
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}
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void FlatBufferClient::handleMessage(const hyperionnet::Request * req)
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{
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const void* reqPtr;
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if ((reqPtr = req->command_as_Color()) != nullptr) {
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handleColorCommand(static_cast<const hyperionnet::Color*>(reqPtr));
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} else if ((reqPtr = req->command_as_Image()) != nullptr) {
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handleImageCommand(static_cast<const hyperionnet::Image*>(reqPtr));
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} else if ((reqPtr = req->command_as_Clear()) != nullptr) {
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handleClearCommand(static_cast<const hyperionnet::Clear*>(reqPtr));
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} else if ((reqPtr = req->command_as_Register()) != nullptr) {
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handleRegisterCommand(static_cast<const hyperionnet::Register*>(reqPtr));
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} else {
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sendErrorReply("Received invalid packet.");
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}
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}
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void FlatBufferClient::handleColorCommand(const hyperionnet::Color *colorReq)
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{
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// extract parameters
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const int32_t rgbData = colorReq->data();
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ColorRgb color;
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color.red = qRed(rgbData);
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color.green = qGreen(rgbData);
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color.blue = qBlue(rgbData);
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// set output
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emit setGlobalInputColor(_priority, color, colorReq->duration());
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// send reply
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sendSuccessReply();
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}
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void FlatBufferClient::registationRequired(const int priority)
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{
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if (_priority == priority)
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{
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auto reply = hyperionnet::CreateReplyDirect(_builder, nullptr, -1, -1);
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_builder.Finish(reply);
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// send reply
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sendMessage();
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}
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}
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void FlatBufferClient::handleRegisterCommand(const hyperionnet::Register *regReq)
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{
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_priority = regReq->priority();
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emit registerGlobalInput(_priority, hyperion::COMP_FLATBUFSERVER, regReq->origin()->c_str()+_clientAddress);
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auto reply = hyperionnet::CreateReplyDirect(_builder, nullptr, -1, (_priority ? _priority : -1));
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_builder.Finish(reply);
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// send reply
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sendMessage();
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}
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void FlatBufferClient::handleImageCommand(const hyperionnet::Image *image)
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{
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// extract parameters
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int duration = image->duration();
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const void* reqPtr;
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if ((reqPtr = image->data_as_RawImage()) != nullptr)
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{
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const auto *img = static_cast<const hyperionnet::RawImage*>(reqPtr);
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const auto & imageData = img->data();
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const int width = img->width();
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const int height = img->height();
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if ((int) imageData->size() != width*height*3)
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{
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sendErrorReply("Size of image data does not match with the width and height");
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return;
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}
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Image<ColorRgb> imageDest(width, height);
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memmove(imageDest.memptr(), imageData->data(), imageData->size());
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emit setGlobalInputImage(_priority, imageDest, duration);
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}
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// send reply
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sendSuccessReply();
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}
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void FlatBufferClient::handleClearCommand(const hyperionnet::Clear *clear)
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{
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// extract parameters
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const int priority = clear->priority();
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if (priority == -1) {
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emit clearAllGlobalInput();
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}
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else {
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// Check if we are clearing ourselves.
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if (priority == _priority) {
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_priority = -1;
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}
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emit clearGlobalInput(priority);
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}
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sendSuccessReply();
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}
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void FlatBufferClient::handleNotImplemented()
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{
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sendErrorReply("Command not implemented");
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}
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void FlatBufferClient::sendMessage()
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{
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auto size = _builder.GetSize();
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const uint8_t* buffer = _builder.GetBufferPointer();
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uint8_t sizeData[] = {uint8_t(size >> 24), uint8_t(size >> 16), uint8_t(size >> 8), uint8_t(size)};
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_socket->write((const char *) sizeData, sizeof(sizeData));
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_socket->write((const char *)buffer, size);
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_socket->flush();
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_builder.Clear();
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}
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void FlatBufferClient::sendSuccessReply()
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{
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auto reply = hyperionnet::CreateReplyDirect(_builder);
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_builder.Finish(reply);
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// send reply
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sendMessage();
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}
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void FlatBufferClient::sendErrorReply(const std::string &error)
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{
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// create reply
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auto reply = hyperionnet::CreateReplyDirect(_builder, error.c_str());
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_builder.Finish(reply);
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// send reply
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sendMessage();
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}
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