ScStw/app
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started to move to new JSON API (cation - NOT WORKING YET)

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This commit is contained in:
Dorian Zedler 2019-03-02 20:20:13 +01:00
parent 74b6a3f429
commit 3ee2d2ac57
2 changed files with 95 additions and 29 deletions
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10
headers/baseconn.h
View file

@ -67,7 +67,7 @@ private:
struct waitingRequest {
int id;
QEventLoop * loop;
QString reply;
QJsonObject reply;
};
QList<waitingRequest> waitingRequests;
@ -93,12 +93,18 @@ signals:
void nextRemoteActionDelayProgChanged();
void gotError(QString error);
public slots:
Q_INVOKABLE bool connectToHost();
//function to connect to the base station
Q_INVOKABLE QString sendCommand(QString command);
Q_INVOKABLE void closeConnection();
void gotError(QAbstractSocket::SocketError err);
Q_INVOKABLE QVariantMap sendCommand(int header, QJsonValue data);
Q_INVOKABLE bool refreshConnections();

114
sources/baseconn.cpp
View file

@ -4,7 +4,9 @@ BaseConn::BaseConn(QObject *parent) : QObject(parent)
{
socket = new QTcpSocket();
this->setState("disconnected");
remoteSessions.release(1);
connect(this->socket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(gotError(QAbstractSocket::SocketError)));
this->nextConnectionId = 1;
@ -55,33 +57,91 @@ bool BaseConn::connectToHost() {
return(true);
}
QString BaseConn::sendCommand(QString command){
void BaseConn::closeConnection()
{
qDebug() << "closing connection";
switch (socket->state())
{
case 0:
socket->disconnectFromHost();
break;
case 2:
socket->abort();
break;
default:
socket->abort();
}
setState("disconnected");
// for(int i = 0; i < this->waitingRequests.length(); i++){
// this->waitingRequests[i].reply = "ERR_NOT_CONNECTED";
// this->waitingRequests[i].loop->quit();
// return;
// }
}
void BaseConn::gotError(QAbstractSocket::SocketError err)
{
//qDebug() << "got error";
QString strError = "unknown";
switch (err)
{
case 0:
strError = "Connection was refused";
break;
case 1:
strError = "Remote host closed the connection";
this->closeConnection();
break;
case 2:
strError = "Host address was not found";
break;
case 5:
strError = "Connection timed out";
break;
default:
strError = "Unknown error";
}
emit gotError(strError);
qDebug() << "got socket error: " << strError;
}
QVariantMap BaseConn::sendCommand(int header, QJsonValue data = ""){
if(this->state != "connected"){
return "ERR_NOT_CONNECTED";
return {{"status", 910}, {"data", "not connected"}};
}
// generate id and witing requests entry
int thisId = nextConnectionId;
nextConnectionId ++;
QEventLoop loop;
this->waitingRequests.append({thisId, &loop, ""});
command = "ID:" + QString::number(thisId) + "_"+command;
QEventLoop loop;
QJsonObject reply;
this->waitingRequests.append({thisId, &loop, reply});
QJsonObject requestObj;
requestObj.insert("id", thisId);
requestObj.insert("header", header);
requestObj.insert("data", data);
QString jsonRequest = QJsonDocument(requestObj).toJson();
QByteArray arrBlock;
QDataStream out(&arrBlock, QIODevice::WriteOnly);
//out.setVersion(QDataStream::Qt_5_10);
out << quint16(0) << command;
out << quint16(0) << jsonRequest;
out.device()->seek(0);
out << quint16(arrBlock.size() - sizeof(quint16));
out << quint16(ulong(arrBlock.size()) - sizeof(quint16));
QTimer timer;
timer.setSingleShot(true);
// quit the loop when the timer times out
loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
//quit the loop when the connection was established
// quit the loop when the connection was established
// loop.connect(this, &BaseConn::gotReply, &loop, &QEventLoop::quit);
// start the timer before starting to connect
timer.start(3000);
@ -97,11 +157,9 @@ QString BaseConn::sendCommand(QString command){
if(timer.remainingTime() == -1){
//the time has been triggered -> timeout
return("ERR_TIMEOUT");
return {{"status", 911}, {"data", ""}};
}
QString reply;
for(int i = 0; i<this->waitingRequests.length(); i++){
if(this->waitingRequests[i].id == thisId){
reply = this->waitingRequests[i].reply;
@ -114,7 +172,8 @@ QString BaseConn::sendCommand(QString command){
timer.deleteLater();
//remoteSessions.release(1);
return(reply);
return {{"status", reply.value("header").toInt()}, {"data", reply.value("data").toVariant()}};
}
void BaseConn::readyRead() {
@ -125,7 +184,7 @@ void BaseConn::readyRead() {
{
if (!nextBlockSize)
{
if (socket->bytesAvailable() < sizeof(quint16)) { break; }
if (ulong(socket->bytesAvailable()) < sizeof(quint16)) { break; }
in >> nextBlockSize;
}
@ -142,15 +201,16 @@ void BaseConn::readyRead() {
nextBlockSize = 0;
QString reply = str;
int id = 0;
if(reply.startsWith("ID:")){
reply.replace("ID:", "");
QStringList temp = reply.split("_");
reply.replace(temp[0]+"_", "");
id = temp[0].toInt();
for(int i = 0; i<this->waitingRequests.length(); i++){
QJsonDocument jsonReply = QJsonDocument::fromJson(reply.toUtf8());
QJsonObject replyObj = jsonReply.object();
if(!replyObj.isEmpty()){
id = replyObj.value("id").toInt();
for(int i = 0; i < this->waitingRequests.length(); i++){
if(this->waitingRequests[i].id == id){
this->waitingRequests[i].reply = reply;
this->waitingRequests[i].reply = replyObj;
this->waitingRequests[i].loop->quit();
return;
}
@ -176,20 +236,20 @@ void BaseConn::refreshTimers(){
QString tmpNextRemoteAction;
QString tmpNextRemoteActionDelayProg;
remoteState = sendCommand("GET_TIMER_STATE");
remoteState = sendCommand(2000)["data"].toString();
switch (speedTimers[0]->state) {
case SpeedTimer::IDLE:
break;
case SpeedTimer::STARTING:
if(remoteState == "RUNNING"){
if(remoteState == "2"){
speedTimers[0]->start();
}
else if (remoteState == "STOPPED") {
else if (remoteState == "3") {
speedTimers[0]->stop("manual");
}
tmpNextRemoteAction = sendCommand("GET_NEXT_ACTION");
tmpNextRemoteAction = sendCommand(2004)["data"].toString();
if(tmpNextRemoteAction.startsWith("ERR")){
//handle Error!!
}
@ -200,7 +260,7 @@ void BaseConn::refreshTimers(){
}
}
tmpNextRemoteActionDelayProg = sendCommand("GET_NEXT_ACTION_DELAY_PROG");
tmpNextRemoteActionDelayProg = sendCommand(2005)["data"].toFloat();
if(tmpNextRemoteActionDelayProg.startsWith("ERR")){
//handle error!!
}
@ -214,7 +274,7 @@ void BaseConn::refreshTimers(){
break;
case SpeedTimer::RUNNING:
if(remoteState == "STOPPED"){
if(remoteState == "2"){
speedTimers[0]->stop("manual");
}
remoteTime = sendCommand("GET_CURRTIME");