Add new constant for progress in percent.

common/ismas/ApismTcpClient.h

@@ -0,0 +1,116 @@
+#ifndef APISMTCPCLIENT_H
+#define APISMTCPCLIENT_H
+
+#include <QObject>
+
+#include <QTcpSocket>
+#include <QAbstractSocket>
+#include <QByteArray>
+#include <QQueue>
+
+class QTimer;
+
+
+class ApismMessage
+{
+public:
+
+    enum class MessageState {
+        INVALID,
+        NEW,
+        SENT,
+        ANSWERED,
+        RESEND
+     };
+     MessageState state;
+
+     QByteArray data;
+
+     ApismMessage();
+};
+
+
+
+
+class ApismTcpClient : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum class ExpectedResponse {
+        JSON,
+        STATE
+     };
+
+    explicit ApismTcpClient(const QString & hostname, const QString & port, ExpectedResponse expectedResponse, QObject *parent = nullptr);
+    bool isConnected();
+
+    void connectToHost();
+    void connectToHost(const QString & hostname, const QString & port);
+    void setResponseTimeout(const quint32 timeout_ms);
+
+    // socket is implicitely closed by APISM
+    void closeConnection();
+
+    void sendData(const QByteArray & message);
+    void sendData();
+
+    void setDebug(bool debug);
+
+private slots:
+    // socket interface
+    void onSocketConnected();
+    void onSocketDisconnected();
+    void onSocketBytesWritten(qint64 bytes);
+    void onSocketReadyRead();
+    void onSocketStateChanged(QAbstractSocket::SocketState socketState);
+    void onSocketErrorOccured(QAbstractSocket::SocketError socketError);
+
+signals:
+    void receivedData(QByteArray response);
+
+    void responseTimeout();
+    void connectTimeout();
+    void connectionClosedByRemoteHost();
+    void connectionRefusedError();
+
+private:
+    QTcpSocket *socket;
+
+    QQueue<QByteArray> sendQueue;
+    ApismMessage currentMessage;
+
+    QString hostname;
+    QString port;
+
+    QTimer *responseTimeoutTimer;
+    quint8 responseTimerTimeoutCounter;
+
+    QTimer *connectTimeoutTimer;
+
+    void private_sendData();
+    bool flag_selfClosed;
+
+    int resendCounter;
+    int connectionRefusedCounter;
+
+    ExpectedResponse expectedResponse;
+
+    void private_handleJSONResponse(QByteArray & responseMessage);
+    void private_handleTextResponse(QByteArray & responseMessage);
+    void private_handleStateResponse(QByteArray & responseMessage);
+
+    void private_handleConnectionRefusedError();
+
+    bool isDebug;
+
+public slots:
+    void onResponseTimeoutTimerTimeout();
+    void onConnectTimeoutTimerTimeout();
+
+};
+
+QDebug operator<<(QDebug debug, ApismTcpClient::ExpectedResponse response);
+
+
+#endif // APISMTCPCLIENT_H