New burst download for file transfer

QGCApplication.pro

@@ -267,7 +267,7 @@ HEADERS += \
     src/QmlControls/ParameterEditorController.h \
     src/QmlControls/ScreenTools.h \
     src/uas/QGCMAVLinkUASFactory.h \
-    src/uas/QGCUASFileManager.h \
+    src/uas/FileManager.h \
     src/uas/UAS.h \
     src/uas/UASInterface.h \
     src/uas/UASManager.h \
@@ -399,7 +399,7 @@ SOURCES += \
     src/QmlControls/ParameterEditorController.cc \
     src/QmlControls/ScreenTools.cc \
     src/uas/QGCMAVLinkUASFactory.cc \
-    src/uas/QGCUASFileManager.cc \
+    src/uas/FileManager.cc \
     src/uas/UAS.cc \
     src/uas/UASManager.cc \
     src/uas/UASMessageHandler.cc \

src/qgcunittest/QGCUASFileManagerTest.h → src/qgcunittest/FileManagerTest.h

@@ -21,8 +21,8 @@
  
  ======================================================================*/
 
-#ifndef QGCUASFILEMANAGERTEST_H
-#define QGCUASFILEMANAGERTEST_H
+#ifndef FileManagerTEST_H
+#define FileManagerTEST_H
 
 #include <QObject>
 #include <QtTest/QtTest>
@@ -30,20 +30,20 @@
 #include "UnitTest.h"
 #include "MockUAS.h"
 #include "MockMavlinkFileServer.h"
-#include "QGCUASFileManager.h"
+#include "FileManager.h"
 #include "MultiSignalSpy.h"
 
 /// @file
-///     @brief QGCUASFileManager unit test
+///     @brief FileManager unit test
 ///
 ///     @author Don Gagne <don@thegagnes.com>
 
-class QGCUASFileManagerUnitTest : public UnitTest
+class FileManagerTest : public UnitTest
 {
     Q_OBJECT
     
 public:
-    QGCUASFileManagerUnitTest(void);
+    FileManagerTest(void);
     
 private slots:
     // Test case initialization
@@ -53,13 +53,16 @@ private slots:
     void cleanup(void);
     
     // Test cases
+#if 0
     void _ackTest(void);
     void _noAckTest(void);
     void _resetTest(void);
     void _listTest(void);
-    void _downloadTest(void);
-    
-    // Connected to QGCUASFileManager listEntry signal
+    void _readDownloadTest(void);
+#endif
+	void _streamDownloadTest(void);
+	
+    // Connected to FileManager listEntry signal
     void listEntry(const QString& entry);
     
 private:
@@ -88,7 +91,7 @@ private:
     MockUAS*                _mockUAS;
     MockMavlinkFileServer   _mockFileServer;
     
-    QGCUASFileManager*  _fileManager;
+    FileManager*  _fileManager;
 
     MultiSignalSpy*     _multiSpy;
     static const size_t _cSignals = maxSignalIndex;
@@ -96,7 +99,7 @@ private:
     
     /// @brief This is the amount of time to wait to allow the FileManager enough time to timeout waiting for an Ack.
     /// As such it must be larger than the Ack Timeout used by the FileManager.
-    static const int _ackTimerTimeoutMsecs = QGCUASFileManager::ackTimerTimeoutMsecs * 2;
+    static const int _ackTimerTimeoutMsecs = FileManager::ackTimerTimeoutMsecs * 2;
     
     QStringList _fileListReceived;
 };

src/qgcunittest/MockMavlinkFileServer.h

@@ -25,7 +25,7 @@
 #define MOCKMAVLINKFILESERVER_H
 
 #include "MockMavlinkInterface.h"
-#include "QGCUASFileManager.h"
+#include "FileManager.h"
 
 /// @file
 ///     @brief Mock implementation of Mavlink FTP server. Used as mavlink plugin to MockUAS.
@@ -77,7 +77,8 @@ public:
     struct FileTestCase {
         const char* filename;               ///< Filename to download
         uint8_t     length;                 ///< Length of file in bytes
-        bool        fMultiPacketResponse;   ///< true: multiple acks required to download, false: single ack contains entire download
+		int			packetCount;			///< Number of packets required for data
+        bool        exactFit;				///< true: last packet is exact fit, false: last packet is partially filled
     };
     
     /// @brief The numbers of test cases in the rgFileTestCases array.
@@ -91,13 +92,14 @@ signals:
     void terminateCommandReceived(void);
     
 private:
-    void _sendAck(uint16_t seqNumber);
-    void _sendNak(QGCUASFileManager::ErrorCode error, uint16_t seqNumber);
-    void _emitResponse(QGCUASFileManager::Request* request, uint16_t seqNumber);
-    void _listCommand(QGCUASFileManager::Request* request, uint16_t seqNumber);
-    void _openCommand(QGCUASFileManager::Request* request, uint16_t seqNumber);
-    void _readCommand(QGCUASFileManager::Request* request, uint16_t seqNumber);
-    void _terminateCommand(QGCUASFileManager::Request* request, uint16_t seqNumber);
+	void _sendAck(uint16_t seqNumber, FileManager::Opcode reqOpcode);
+    void _sendNak(FileManager::ErrorCode error, uint16_t seqNumber, FileManager::Opcode reqOpcode);
+    void _emitResponse(FileManager::Request* request, uint16_t seqNumber);
+    void _listCommand(FileManager::Request* request, uint16_t seqNumber);
+    void _openCommand(FileManager::Request* request, uint16_t seqNumber);
+    void _readCommand(FileManager::Request* request, uint16_t seqNumber);
+	void _streamCommand(FileManager::Request* request, uint16_t seqNumber);
+    void _terminateCommand(FileManager::Request* request, uint16_t seqNumber);
     uint16_t _nextSeqNumber(uint16_t seqNumber);
     
     QStringList _fileList;  ///< List of files returned by List command

src/uas/QGCUASFileManager.h → src/uas/FileManager.h

@@ -21,29 +21,46 @@
  
  ======================================================================*/
 
-#ifndef QGCUASFILEMANAGER_H
-#define QGCUASFILEMANAGER_H
+#ifndef FILEMANAGER_H
+#define FILEMANAGER_H
 
 #include <QObject>
 #include <QDir>
 
 #include "UASInterface.h"
+#include "QGCLoggingCategory.h"
 
-class QGCUASFileManager : public QObject
+Q_DECLARE_LOGGING_CATEGORY(FileManagerLog)
+
+class FileManager : public QObject
 {
     Q_OBJECT
 public:
-    QGCUASFileManager(QObject* parent, UASInterface* uas, uint8_t unitTestSystemIdQGC = 0);
+    FileManager(QObject* parent, UASInterface* uas, uint8_t unitTestSystemIdQGC = 0);
     
     /// These methods are only used for testing purposes.
     bool _sendCmdTestAck(void) { return _sendOpcodeOnlyCmd(kCmdNone, kCOAck); };
     bool _sendCmdTestNoAck(void) { return _sendOpcodeOnlyCmd(kCmdTestNoAck, kCOAck); };
     bool _sendCmdReset(void) { return _sendOpcodeOnlyCmd(kCmdResetSessions, kCOAck); };
     
-    /// @brief Timeout in msecs to wait for an Ack time come back. This is public so we can write unit tests which wait long enough
+    /// Timeout in msecs to wait for an Ack time come back. This is public so we can write unit tests which wait long enough
     /// for the FileManager to timeout.
-    static const int ackTimerTimeoutMsecs = 1000;
+    static const int ackTimerTimeoutMsecs = 10000;
 
+	/// Downloads the specified file.
+	///     @param from File to download from UAS, fully qualified path
+	///     @param downloadDir Local directory to download file to
+	void downloadPath(const QString& from, const QDir& downloadDir);
+	
+	/// Stream downloads the specified file.
+	///     @param from File to download from UAS, fully qualified path
+	///     @param downloadDir Local directory to download file to
+	void streamPath(const QString& from, const QDir& downloadDir);
+	
+	/// Lists the specified directory. Emits listEntry signal for each entry, followed by listComplete signal.
+	///		@param dirPath Fully qualified path to list
+	void listDirectory(const QString& dirPath);
+	
 signals:
     /// @brief Signalled whenever an error occurs during the listDirectory or downloadPath methods.
     void errorMessage(const QString& msg);
@@ -83,20 +100,23 @@ public slots:
     void listDirectory(const QString& dirPath);
     void downloadPath(const QString& from, const QDir& downloadDir);
     void uploadPath(const QString& toPath, const QFileInfo& uploadFile);
+	
+private slots:
+	void _ackTimeout(void);
 
-protected:
-    
+private:
     /// @brief This is the fixed length portion of the protocol data. Trying to pack structures across differing compilers is
     /// questionable, so we pad the structure ourselves to 32 bit alignment which should get us what we want.
     struct RequestHeader
         {
-            uint16_t    seqNumber;  ///< sequence number for message
-            uint8_t     session;    ///< Session id for read and write commands
-            uint8_t     opcode;     ///< Command opcode
-            uint8_t     size;       ///< Size of data
-            uint8_t     req_opcode; ///< Request opcode returned in kRspAck, kRspNak message
-            uint8_t     padding[2]; ///< 32 bit aligment padding
-            uint32_t    offset;     ///< Offsets for List and Read commands
+            uint16_t    seqNumber;      ///< sequence number for message
+            uint8_t     session;        ///< Session id for read and write commands
+            uint8_t     opcode;         ///< Command opcode
+            uint8_t     size;           ///< Size of data
+            uint8_t     req_opcode;     ///< Request opcode returned in kRspAck, kRspNak message
+            uint8_t     burstComplete;  ///< Only used if req_opcode=kCmdBurstReadFile - 1: set of burst packets complete, 0: More burst packets coming.
+            uint8_t     padding;        ///< 32 bit aligment padding
+            uint32_t    offset;         ///< Offsets for List and Read commands
         };
 
     struct Request
@@ -108,7 +128,7 @@ protected:
             // The entire Request must fit into the payload member of the mavlink_file_transfer_protocol_t structure. We use as many leftover bytes
             // after we use up space for the RequestHeader for the data portion of the Request.
             uint8_t data[sizeof(((mavlink_file_transfer_protocol_t*)0)->payload) - sizeof(RequestHeader)];
-
+			
             // File length returned by Open command
             uint32_t openFileLength;
 
@@ -119,17 +139,22 @@ protected:
 
     enum Opcode
 	{
-		kCmdNone,               ///< ignored, always acked
+		kCmdNone,				///< ignored, always acked
 		kCmdTerminateSession,	///< Terminates open Read session
-		kCmdResetSessions,      ///< Terminates all open Read sessions
-		kCmdListDirectory,      ///< List files in <path> from <offset>
-		kCmdOpenFile,           ///< Opens file at <path> for reading, returns <session>
-		kCmdReadFile,           ///< Reads <size> bytes from <offset> in <session>
-		kCmdCreateFile,         ///< Creates file at <path> for writing, returns <session>
-		kCmdWriteFile,          ///< Appends <size> bytes to file in <session>
-		kCmdRemoveFile,         ///< Remove file at <path>
+		kCmdResetSessions,		///< Terminates all open Read sessions
+		kCmdListDirectory,		///< List files in <path> from <offset>
+		kCmdOpenFileRO,			///< Opens file at <path> for reading, returns <session>
+		kCmdReadFile,			///< Reads <size> bytes from <offset> in <session>
+		kCmdCreateFile,			///< Creates file at <path> for writing, returns <session>
+		kCmdWriteFile,			///< Writes <size> bytes to <offset> in <session>
+		kCmdRemoveFile,			///< Remove file at <path>
 		kCmdCreateDirectory,	///< Creates directory at <path>
 		kCmdRemoveDirectory,	///< Removes Directory at <path>, must be empty
+		kCmdOpenFileWO,			///< Opens file at <path> for writing, returns <session>
+		kCmdTruncateFile,		///< Truncate file at <path> to <offset> length
+		kCmdRename,				///< Rename <path1> to <path2>
+		kCmdCalcFileCRC32,		///< Calculate CRC32 for file at <path>
+		kCmdBurstReadFile,      ///< Burst download session file
 		
 		kRspAck = 128,          ///< Ack response
 		kRspNak,                ///< Nak response
@@ -155,20 +180,16 @@ protected:
 
     enum OperationState
         {
-            kCOIdle,    // not doing anything
-            kCOAck,     // waiting for an Ack
-            kCOList,    // waiting for List response
-            kCOOpen,    // waiting for Open response
-            kCORead,    // waiting for Read response
-            kCOCreate,  // waiting for Create response
-            kCOWrite,   // waiting for Write response
+            kCOIdle,		// not doing anything
+            kCOAck,			// waiting for an Ack
+            kCOList,		// waiting for List response
+            kCOOpenRead,    // waiting for Open response followed by Read download
+			kCOOpenStream,  // waiting for Open response, followed by Stream download
+            kCORead,		// waiting for Read response
+			kCOBurst,		// waiting for Burst response
+            kCOWrite,       // waiting for Write response
         };
     
-    
-protected slots:
-    void _ackTimeout(void);
-    
-protected:
     bool _sendOpcodeOnlyCmd(uint8_t opcode, OperationState newOpState);
     void _setupAckTimeout(void);
     void _clearAckTimeout(void);
@@ -177,14 +198,15 @@ protected:
     void _sendRequest(Request* request);
     void _fillRequestWithString(Request* request, const QString& str);
     void _openAckResponse(Request* openAck);
-    void _readAckResponse(Request* readAck);
+    void _downloadAckResponse(Request* readAck, bool readFile);
     void _listAckResponse(Request* listAck);
     void _createAckResponse(Request* createAck);
     void _writeAckResponse(Request* writeAck);
     void _writeFileDatablock(void);
     void _sendListCommand(void);
     void _sendTerminateCommand(void);
-    void _closeReadSession(bool success);
+    void _closeDownloadSession(bool success);
+	void _downloadWorker(const QString& from, const QDir& downloadDir, bool readFile);
     
     static QString errorString(uint8_t errorCode);
 
@@ -203,6 +225,7 @@ protected:
     uint32_t    _writeOffset;               ///< current write offset
     uint32_t    _writeSize;                 ///< current write data size
     uint32_t    _writeFileSize;             ///< current write file size
+    uint32_t    _downloadOffset;            ///< current download offset
     QByteArray  _readFileAccumulator;       ///< Holds file being downloaded
     QByteArray  _writeFileAccumulator;      ///< Holds file being uploaded
     QDir        _readFileDownloadDir;       ///< Directory to download file to
@@ -216,4 +239,4 @@ protected:
     friend class MockMavlinkFileServer;
 };
 
-#endif // QGCUASFILEMANAGER_H
+#endif // FileManager_H

src/uas/UAS.h

@@ -40,7 +40,7 @@ This file is part of the QGROUNDCONTROL project
 #include "QGCFlightGearLink.h"
 #include "QGCJSBSimLink.h"
 #include "QGCXPlaneLink.h"
-#include "QGCUASFileManager.h"
+#include "FileManager.h"
 
 Q_DECLARE_LOGGING_CATEGORY(UASLog)
 
@@ -332,7 +332,7 @@ public:
     bool isFixedWing();
 
     friend class UASWaypointManager;
-    friend class QGCUASFileManager;
+    friend class FileManager;
 
 protected: //COMMENTS FOR TEST UNIT
     /// LINK ID AND STATUS
@@ -435,7 +435,7 @@ protected: //COMMENTS FOR TEST UNIT
     double groundSpeed;          ///< Groundspeed
     double bearingToWaypoint;    ///< Bearing to next waypoint
     UASWaypointManager waypointManager;
-    QGCUASFileManager   fileManager;
+    FileManager   fileManager;
 
     /// ATTITUDE
     bool attitudeKnown;             ///< True if attitude was received, false else
@@ -487,7 +487,7 @@ public:
         return &waypointManager;
     }
 
-    virtual QGCUASFileManager* getFileManager() {
+    virtual FileManager* getFileManager() {
         return &fileManager;
     }
 

src/uas/UASInterface.h

@@ -42,7 +42,7 @@ This file is part of the QGROUNDCONTROL project
 #include "ProtocolInterface.h"
 #include "UASWaypointManager.h"
 
-class QGCUASFileManager;
+class FileManager;
 
 enum BatteryType
 {
@@ -132,7 +132,7 @@ public:
     /** @brief Get reference to the waypoint manager **/
     virtual UASWaypointManager* getWaypointManager(void) = 0;
 
-    virtual QGCUASFileManager* getFileManager() = 0;
+    virtual FileManager* getFileManager() = 0;
 
     /** @brief Send a message over this link (to this or to all UAS on this link) */
     virtual void sendMessage(LinkInterface* link, mavlink_message_t message) = 0;

src/ui/QGCUASFileView.cc

@@ -22,14 +22,14 @@
  ======================================================================*/
 
 #include "QGCUASFileView.h"
-#include "uas/QGCUASFileManager.h"
+#include "uas/FileManager.h"
 #include "QGCFileDialog.h"
 
 #include <QFileDialog>
 #include <QDir>
 #include <QDebug>
 
-QGCUASFileView::QGCUASFileView(QWidget *parent, QGCUASFileManager *manager) :
+QGCUASFileView::QGCUASFileView(QWidget *parent, FileManager *manager) :
     QWidget(parent),
     _manager(manager),
     _listInProgress(false),
@@ -83,13 +83,12 @@ void QGCUASFileView::_downloadFile(void)
             path.prepend("/" + name);
             item = item->parent();
         } while (item);
-        qDebug() << "Download: " << path;
         
         _ui.downloadButton->setEnabled(false);
         _downloadInProgress = true;
         _connectDownloadSignals();
         
-        _manager->downloadPath(path, QDir(downloadToHere));
+        _manager->streamPath(path, QDir(downloadToHere));
     }
 }
 
@@ -163,7 +162,7 @@ void QGCUASFileView::_downloadProgress(unsigned int bytesReceived)
     }
 }
 
-/// @brief Called when the download associated with the QGCUASFileManager::downloadPath command completes.
+/// @brief Called when the download associated with the FileManager::downloadPath command completes.
 void QGCUASFileView::_downloadComplete(void)
 {
     Q_ASSERT(_downloadInProgress);
@@ -305,11 +304,10 @@ void QGCUASFileView::_currentItemChanged(QTreeWidgetItem* current, QTreeWidgetIt
 
 void QGCUASFileView::_requestDirectoryList(const QString& dir)
 {
-    qDebug() << "List:" << dir;
     _manager->listDirectory(dir);
 }
 
-/// @brief Connects to the signals associated with the QGCUASFileManager::downloadPath method. We only leave these signals connected
+/// @brief Connects to the signals associated with the FileManager::downloadPath method. We only leave these signals connected
 /// while a download because there may be multiple UAS, which in turn means multiple QGCUASFileView instances. We only want the signals
 /// connected to the active FileView which is doing the current download.
 void QGCUASFileView::_connectDownloadSignals(void)
@@ -335,7 +333,7 @@ void QGCUASFileView::_disconnectDownloadSignals(void)
     disconnect(_manager, SIGNAL(errorMessage(const QString&)), this, SLOT(_downloadErrorMessage(const QString&)));
 }
 
-/// @brief Connects to the signals associated with the QGCUASFileManager::listDirectory method. We only leave these signals connected
+/// @brief Connects to the signals associated with the FileManager::listDirectory method. We only leave these signals connected
 /// while a download because there may be multiple UAS, which in turn means multiple QGCUASFileView instances. We only want the signals
 /// connected to the active FileView which is doing the current download.
 void QGCUASFileView::_connectListSignals(void)

src/ui/QGCUASFileView.h

@@ -27,7 +27,7 @@
 #include <QWidget>
 #include <QTreeWidgetItem>
 
-#include "uas/QGCUASFileManager.h"
+#include "uas/FileManager.h"
 #include "ui_QGCUASFileView.h"
 
 class QGCUASFileView : public QWidget
@@ -35,10 +35,10 @@ class QGCUASFileView : public QWidget
     Q_OBJECT
 
 public:
-    explicit QGCUASFileView(QWidget *parent, QGCUASFileManager *manager);
+    explicit QGCUASFileView(QWidget *parent, FileManager *manager);
 
 protected:
-    QGCUASFileManager* _manager;
+    FileManager* _manager;
     
 private slots:
     void _refreshTree(void);