1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/******************************************************************************
*
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
*
******************************************************************************/
#ifndef _BULK_HANDLER_H_
#define _BULK_HANDLER_H_
#ifdef _WIN32
#include "WinApiWrappers.h"
#else
#include "LinuxApiWrappers.h"
#endif
#include "Buffers.h"
#include "LcmInterface.h"
#include "Logger.h"
#include <string>
class CLCDriverMethods;
/// <summary>
/// Bulk handler state.
/// </summary>
enum BulkState {
BULK_INACTIVE,
BULK_RX,
BULK_TX
};
#define SESSION_END_MASK (1 << 4)
#define SELECT_COMMAND(state, acknowledge) (state | (((uint32)acknowledge) << 4))
enum BulkCommand {
BULK_WRITE_REQUEST = BULK_RX,
BULK_READ_REQUEST = BULK_TX,
BULK_RX_SESSION_END = BULK_WRITE_REQUEST | SESSION_END_MASK,
BULK_TX_SESSION_END = BULK_READ_REQUEST | SESSION_END_MASK
};
/// <summary>
/// Bulk Buffer class used to manipulate
/// the bulk buffers linear list filled
/// with bulk chunks data
/// </summary>
class BulkHandler
{
public:
BulkHandler(CLCDriverMethods *methods, Buffers *buffers, LcmInterface *lcmInterface, Logger *logger);
~BulkHandler();
int Receive(const std::string &sourceFile);
int Send(const std::string &destinationFile);
void Finish(bool ForceFinish);
void HandleCommandRequest(uint16 session, uint32 chunkSize, uint64 offset, uint32 length, bool acknowledge);
private:
CLCDriverMethods *m_Methods;
CSemaphoreQueue m_ReceiveQueue;
Buffers *m_pBuffers;
LcmInterface *m_pLcmInterface;
Logger *m_pLogger;
BulkState m_State;
CThreadWrapper *m_pFileWriteThread;
TL_BulkVectorList_t *m_pBulkVector;
std::string m_sFilePath;
private:
void HandleReadRequest(uint16 session, uint32 chunkSize, uint64 offset, uint32 length);
void HandleWriteRequest(uint16 session, uint32 chunkSize, uint64 offset, uint32 length);
void HandleRxSessionEnd(uint16 session, uint32 chunkSize, uint64 offset, uint32 length);
void HandleTxSessionEnd(uint16 session, uint32 chunkSize, uint64 offset, uint32 length);
#ifdef _WIN32
static unsigned int WINAPI FileWriteThreadFunction(void *arg);
#else
static void *FileWriteThreadFunction(void *arg);
#endif
void FlushReceiveQueue();
void WriteBulkVector(TL_BulkVectorList_t *bulkVector);
};
#endif
|
