powersync-plugins/sma/sunnywebboxcommunication.cpp

119 lines
4.2 KiB
C++

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#include "sunnywebboxcommunication.h"
#include "extern-plugininfo.h"
#include "QJsonDocument"
#include "QJsonObject"
SunnyWebBoxCommunication::SunnyWebBoxCommunication(QObject *parent) : QObject(parent)
{
m_udpSocket = new QUdpSocket(this);
m_udpSocket->bind(QHostAddress::LocalHost, m_port);
connect(m_udpSocket, &QUdpSocket::stateChanged, this, [this](QAbstractSocket::SocketState state) {
emit socketConnected(state == QAbstractSocket::SocketState::ConnectedState);
});
connect(m_udpSocket, &QUdpSocket::readyRead, this, [this] {
QHostAddress address;
quint16 port;
QByteArray data;
while (m_udpSocket->hasPendingDatagrams()) {
qCDebug(dcSma()) << "Received datagram";
int receivedBytes = m_udpSocket->readDatagram(data.data(), 1000, &address, &port);
if (receivedBytes == -1) {
qCWarning(dcSma()) << "Error reading pending datagram";
}
}
});
}
int SunnyWebBoxCommunication::sendMessage(const QHostAddress &address, const QString &procedure)
{
int requestId = qrand();
QJsonDocument doc;
QJsonObject obj;
obj["version"] = "1.0";
obj["proc"] = procedure;
obj["id"] = requestId;
obj["format"] = "JSON";
m_udpSocket->writeDatagram(doc.toJson(), address, m_port);
return requestId;
}
int SunnyWebBoxCommunication::sendMessage(const QHostAddress &address, const QString &procedure, const QJsonObject &params)
{
int requestId = qrand();
QJsonDocument doc;
QJsonObject obj;
obj["version"] = "1.0";
obj["proc"] = procedure;
obj["id"] = requestId;
obj["format"] = "JSON";
if (!params.isEmpty()) {
obj.insert("params", params);
}
m_udpSocket->writeDatagram(doc.toJson(), address, m_port);
return requestId;
}
void SunnyWebBoxCommunication::datagramReceived(const QHostAddress &address, const QByteArray &data)
{
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson(data, &error);
if (error.error != QJsonParseError::NoError) {
qCWarning(dcSma()) << "Could not parse JSON" << error.errorString();
return;
}
if (!doc.isObject()) {
qCWarning(dcSma()) << "JSON is not an Object";
return;
}
QVariantMap map = doc.toVariant().toMap();
if (map["version"] != "1.0") {
qCWarning(dcSma()) << "API version not supported" << map["version"];
return;
}
if (map.contains("proc") && map.contains("result")) {
QString requestType = map["proc"].toString();
int requestId = map["id"].toInt();
QVariantMap result = map.value("result").toMap();
emit messageReceived(address, requestId, requestType, result);
} else {
qCWarning(dcSma()) << "Missing proc or result value";
}
}