MockLinkMissionItemHandler.h 5.62 KB
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/****************************************************************************
 *
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 *   (c) 2009-2018 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
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 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/
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#pragma once
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#include <QObject>
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#include <QMap>
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#include <QTimer>
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#include "QGCMAVLink.h"
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#include "QGCLoggingCategory.h"
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#include "MAVLinkProtocol.h"
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class MockLink;

Q_DECLARE_LOGGING_CATEGORY(MockLinkMissionItemHandlerLog)
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class MockLinkMissionItemHandler : public QObject
{
    Q_OBJECT
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public:
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    MockLinkMissionItemHandler(MockLink* mockLink, MAVLinkProtocol* mavlinkProtocol);
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    ~MockLinkMissionItemHandler();
    
    // Prepares for destruction on correct thread
    void shutdown(void);
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    /// @brief Called to handle mission item related messages. All messages should be passed to this method.
    ///         It will handle the appropriate set.
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    /// @return true: message handled
    bool handleMessage(const mavlink_message_t& msg);
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    typedef enum {
        FailNone,                           // No failures
        FailReadRequestListNoResponse,      // Don't send MISSION_COUNT in response to MISSION_REQUEST_LIST
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        FailReadRequestListFirstResponse,   // Don't send MISSION_COUNT in response to first MISSION_REQUEST_LIST, allow subsequent to go through
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        FailReadRequest0NoResponse,         // Don't send MISSION_ITEM in response to MISSION_REQUEST item 0
        FailReadRequest1NoResponse,         // Don't send MISSION_ITEM in response to MISSION_REQUEST item 1
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        FailReadRequest1FirstResponse,      // Don't send MISSION_ITEM in response to MISSION_REQUEST item 1 on first try, allow subsequent request to go through
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        FailReadRequest0IncorrectSequence,  // Respond to MISSION_REQUEST 0 with incorrect sequence number in  MISSION_ITEM
        FailReadRequest1IncorrectSequence,  // Respond to MISSION_REQUEST 1 with incorrect sequence number in  MISSION_ITEM
        FailReadRequest0ErrorAck,           // Respond to MISSION_REQUEST 0 with MISSION_ACK error
        FailReadRequest1ErrorAck,           // Respond to MISSION_REQUEST 1 bogus MISSION_ACK error
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        FailWriteMissionCountNoResponse,    // Don't respond to MISSION_COUNT with MISSION_REQUEST 0
        FailWriteMissionCountFirstResponse, // Don't respond to first MISSION_COUNT with MISSION_REQUEST 0, respond to subsequent MISSION_COUNT requests
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        FailWriteRequest1NoResponse,        // Don't respond to MISSION_ITEM 0 with MISSION_REQUEST 1
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        FailWriteRequest0IncorrectSequence, // Item 0 MISSION_REQUEST sent has wrong sequence number
        FailWriteRequest1IncorrectSequence, // Item 1 MISSION_REQUEST sent has wrong sequence number
        FailWriteRequest0ErrorAck,          // Instead of sending MISSION_REQUEST 0, send MISSION_ACK error
        FailWriteRequest1ErrorAck,          // Instead of sending MISSION_REQUEST 1, send MISSION_ACK error
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        FailWriteFinalAckNoResponse,        // Don't send the final MISSION_ACK
        FailWriteFinalAckErrorAck,          // Send an error as the final MISSION_ACK
        FailWriteFinalAckMissingRequests,   // Send the MISSION_ACK before all items have been requested
    } FailureMode_t;

    /// Sets a failure mode for unit testing
    ///     @param failureMode Type of failure to simulate
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    void setMissionItemFailureMode(FailureMode_t failureMode);
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    /// Called to send a MISSION_ACK message while the MissionManager is in idle state
    void sendUnexpectedMissionAck(MAV_MISSION_RESULT ackType);
    
    /// Called to send a MISSION_ITEM message while the MissionManager is in idle state
    void sendUnexpectedMissionItem(void);
    
    /// Called to send a MISSION_REQUEST message while the MissionManager is in idle state
    void sendUnexpectedMissionRequest(void);
    
    /// Reset the state of the MissionItemHandler to no items, no transactions in progress.
    void reset(void) { _missionItems.clear(); }

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    void setSendHomePositionOnEmptyList(bool sendHomePositionOnEmptyList) { _sendHomePositionOnEmptyList = sendHomePositionOnEmptyList; }

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private slots:
    void _missionItemResponseTimeout(void);
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private:
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    void _handleMissionRequestList(const mavlink_message_t& msg);
    void _handleMissionRequest(const mavlink_message_t& msg);
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    void _handleMissionItem(const mavlink_message_t& msg, bool missionItemInt);
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    void _handleMissionCount(const mavlink_message_t& msg);
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    void _handleMissionClearAll(const mavlink_message_t& msg);
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    void _requestNextMissionItem(int sequenceNumber);
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    void _sendAck(MAV_MISSION_RESULT ackType);
    void _startMissionItemResponseTimer(void);
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private:
    MockLink* _mockLink;
    
    int _writeSequenceCount;    ///< Numbers of items about to be written
    int _writeSequenceIndex;    ///< Current index being reqested
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    typedef struct {
        bool isIntItem;
        union {
            mavlink_mission_item_t      missionItem;
            mavlink_mission_item_int_t  missionItemInt;
        };
    } MissionItemBoth_t;
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    typedef QMap<uint16_t, MissionItemBoth_t> MissionItemList_t;
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    MAV_MISSION_TYPE    _requestType;
    MissionItemList_t   _missionItems;
    MissionItemList_t   _fenceItems;
    MissionItemList_t   _rallyItems;

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    QTimer*             _missionItemResponseTimer;
    FailureMode_t       _failureMode;
    bool                _sendHomePositionOnEmptyList;
    MAVLinkProtocol*    _mavlinkProtocol;
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    bool                _failReadRequestListFirstResponse;
    bool                _failReadRequest1FirstResponse;
    bool                _failWriteMissionCountFirstResponse;
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};