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pressing return after writing the IP address in client starts the connection, bug fix in protocol implementation

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This commit is contained in:
Volker Fischer 2006-02-19 14:50:18 +00:00
parent 87d9f90342
commit d8d0072eb7
3 changed files with 81 additions and 12 deletions
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4
src/llconclientdlg.cpp
View file

@ -163,6 +163,10 @@ CLlconClientDlg::CLlconClientDlg ( CClient* pNCliP, QWidget* parent,
QObject::connect(RadioButtonRevSelR, SIGNAL(clicked()),
this, SLOT(OnRevSelR()));
/* text edit controls */
QObject::connect(LineEditServerAddr, SIGNAL(returnPressed()),
this, SLOT(OnConnectDisconBut()));
/* timers --------------------------------------------------------------- */
/* start timer for status bar */

76
src/protocol.cpp
View file

@ -64,17 +64,15 @@ bool CProtocol::ParseMessage ( const CVector<uint8_t>& vecIn )
// decode header -----
iCurPos = 0; // start from beginning
for ( i = 0; i < MESS_HEADER_LENGTH_BYTE; i++ )
{
/* 2 bytes ID */
iID = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 2 ) );
/* 1 byte cnt */
iCnt = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 1 ) );
/* 2 bytes ID */
iID = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 2 ) );
/* 2 bytes length */
iLenBy = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 2 ) );
}
/* 1 byte cnt */
iCnt = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 1 ) );
/* 2 bytes length */
iLenBy = static_cast<int> ( GetValFromStream ( vecIn, iCurPos, 2 ) );
// make sure the length is correct
if ( iLenBy != iVecInLenByte - MESS_LEN_WITHOUT_DATA_BYTE )
@ -119,8 +117,66 @@ uint32_t CProtocol::GetValFromStream ( const CVector<uint8_t>& vecIn,
uint32_t iRet = 0;
for ( int i = 0; i < iNumOfBytes; i++ )
{
iRet |= vecIn[iPos + i] << ( i * 8 /* size of byte */ );
iRet |= vecIn[iPos] << ( i * 8 /* size of byte */ );
iPos++;
}
return iRet;
}
void CProtocol::GenMessage ( CVector<uint8_t>& vecOut,
const int iCnt,
const int iID,
const CVector<uint8_t>& vecData)
{
// query length of data vector
const int iDataLenByte = vecData.Size();
// total length of message = 7 + "iDataLenByte"
// 2 byte ID + 1 byte cnt + 2 byte length + n bytes data + 2 bytes CRC
const int iTotLenByte = 7 + iDataLenByte;
// init message vector
vecOut.Init( iTotLenByte );
// encode header -----
unsigned int iCurPos = 0; // init position pointer
/* 2 bytes ID */
PutValOnStream ( vecOut, iCurPos,
static_cast<uint32_t> ( iID ), 2 );
/* 1 byte cnt */
PutValOnStream ( vecOut, iCurPos,
static_cast<uint32_t> ( iCnt ), 1 );
/* 2 bytes length */
PutValOnStream ( vecOut, iCurPos,
static_cast<uint32_t> ( iDataLenByte ), 2 );
// TODO data, CRC
}
void CProtocol::PutValOnStream ( CVector<uint8_t>& vecIn,
unsigned int& iPos,
const uint32_t iVal,
const unsigned int iNumOfBytes )
{
/*
note: iPos is automatically incremented in this function
*/
// 4 bytes maximum since we use uint32
ASSERT ( ( iNumOfBytes > 0 ) && ( iNumOfBytes <= 4 ) );
ASSERT ( vecIn.Size() >= iPos + iNumOfBytes );
for ( int i = 0; i < iNumOfBytes; i++ )
{
vecIn[iPos] =
( iVal >> ( i * 8 /* size of byte */ ) ) & 255 /* 11111111 */;
iPos++;
}
}

11
src/protocol.h
View file

@ -45,7 +45,16 @@ public:
virtual ~CProtocol() {}
protected:
bool ParseMessage ( const CVector<uint8_t>& vecIn );
bool ParseMessage ( const CVector<uint8_t>& vecIn );
void GenMessage ( CVector<uint8_t>& vecOut,
const int iCnt,
const int iID,
const CVector<uint8_t>& vecData);
void PutValOnStream ( CVector<uint8_t>& vecIn,
unsigned int& iPos,
const uint32_t iVal,
const unsigned int iNumOfBytes );
uint32_t GetValFromStream ( const CVector<uint8_t>& vecIn,
unsigned int& iPos,
const unsigned int iNumOfBytes );