//!deal one message, affect m_currentRedOffset,m_currentMessageSize,m_currentHeader
//!return bytes Used.
int zp_ClusterNode::filter_message(QByteArray block, int offset)
{
const int blocklen = block.length();
while (blocklen>offset)
{
const char * dataptr = block.constData();
//Recieve First 2 byte
while (m_currentMessageSize<2 && blocklen>offset )
{
m_currentBlock.push_back(dataptr[offset++]);
m_currentMessageSize++;
}
if (m_currentMessageSize < 2) //First 2 byte not complete
continue;
if (m_currentMessageSize==2)
{
const char * headerptr = m_currentBlock.constData();
memcpy((void *)&m_currentHeader,headerptr,2);
}
if (m_currentHeader.Mark == 0x1234)
//Valid Message
{
//while (m_currentMessageSize< sizeof(CROSS_SVR_MSG::tag_header) && blocklen>offset)
if (m_currentMessageSize< sizeof(CROSS_SVR_MSG::tag_header) && blocklen>offset)
{
int nCpy = sizeof(CROSS_SVR_MSG::tag_header) - m_currentMessageSize;
if (nCpy > blocklen - offset)
nCpy = blocklen - offset;
QByteArray arrCpy(dataptr+offset,nCpy);
m_currentBlock.push_back(arrCpy);
//m_currentBlock.push_back(dataptr[offset++]);
//m_currentMessageSize++;
offset += nCpy;
m_currentMessageSize += nCpy;
}
if (m_currentMessageSize < sizeof(CROSS_SVR_MSG::tag_header)) //Header not completed.
continue;
else if (m_currentMessageSize == sizeof(CROSS_SVR_MSG::tag_header))//Header just completed.
{
const char * headerptr = m_currentBlock.constData();
memcpy((void *)&m_currentHeader,headerptr,sizeof(CROSS_SVR_MSG::tag_header));
//continue reading if there is data left behind
if (block.length()>offset)
{
qint32 bitLeft = m_currentHeader.data_length + sizeof(CROSS_SVR_MSG::tag_header)
-m_currentMessageSize ;
//while (bitLeft>0 && blocklen>offset)
if (bitLeft>0 && blocklen>offset)
{
int nCpy = bitLeft;
if (nCpy > blocklen - offset)
nCpy = blocklen - offset;
QByteArray arrCpy(dataptr+offset,nCpy);
m_currentBlock.push_back(arrCpy);
offset += nCpy;
m_currentMessageSize += nCpy;
bitLeft -= nCpy;
//m_currentBlock.push_back(dataptr[offset++]);
//m_currentMessageSize++;
//bitLeft--;
}
//deal block, may be send data as soon as possible;
deal_current_message_block();
if (bitLeft>0)
continue;
//This Message is Over. Start a new one.
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
continue;
}
}
else
{
if (block.length()>offset)
{
qint32 bitLeft = m_currentHeader.data_length + sizeof(CROSS_SVR_MSG::tag_header)
-m_currentMessageSize ;
//while (bitLeft>0 && blocklen>offset)
if (bitLeft>0 && blocklen>offset)
{
int nCpy = bitLeft;
if (nCpy > blocklen - offset)
nCpy = blocklen - offset;
QByteArray arrCpy(dataptr+offset,nCpy);
m_currentBlock.push_back(arrCpy);
offset += nCpy;
m_currentMessageSize += nCpy;
bitLeft -= nCpy;
//m_currentBlock.push_back(dataptr[offset++]);
//m_currentMessageSize++;
//bitLeft--;
}
//deal block, may be processed as soon as possible;
deal_current_message_block();
if (bitLeft>0)
continue;
//This Message is Over. Start a new one.
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
continue;
}
} // end if there is more bytes to append
} //end deal trans message
else
{
const char * ptrCurrData = m_currentBlock.constData();
emit evt_Message(this,tr("Client Send a unknown start Header %1 %2. Close client immediately.")
.arg((int)(ptrCurrData[0])).arg((int)(ptrCurrData[1])));
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
offset = blocklen;
emit evt_close_client(this->sock());
}
} // end while block len > offset
return offset;
}
//!deal one message, affect m_currentRedOffset,m_currentMessageSize,m_currentHeader
//!return bytes Used.
int st_clientNode_baseTrans::filter_message(QByteArray block, int offset)
{
const int blocklen = block.length();
while (blocklen>offset)
{
const char * dataptr = block.constData();
//Recieve First 2 byte
while (m_currentMessageSize<2 && blocklen>offset )
{
m_currentBlock.push_back(dataptr[offset++]);
m_currentMessageSize++;
}
if (m_currentMessageSize < 2) //First 2 byte not complete
continue;
if (m_currentMessageSize==2)
{
const char * headerptr = m_currentBlock.constData();
memcpy((void *)&m_currentHeader,headerptr,2);
}
//Heart Beating
if (m_currentHeader.Mark == 0xBEBE)
{
if (m_currentMessageSize< sizeof(EXAMPLE_HEARTBEATING) && blocklen>offset )
{
int nCpy = offset - blocklen;
if (nCpy > sizeof(EXAMPLE_HEARTBEATING) - m_currentMessageSize)
nCpy = sizeof(EXAMPLE_HEARTBEATING) - m_currentMessageSize;
m_currentBlock.push_back(QByteArray(dataptr+offset,nCpy));
offset += nCpy;
m_currentMessageSize+=nCpy;
}
if (m_currentMessageSize < sizeof(EXAMPLE_HEARTBEATING)) //Header not completed.
continue;
//Send back
emit evt_SendDataToClient(this->sock(),m_currentBlock);
//Try to Get UUID Immediately
if (m_bUUIDRecieved==false)
{
EXAMPLE_HEARTBEATING * pHbMsg = (EXAMPLE_HEARTBEATING *)(m_currentBlock.constData());
if (bIsValidUserId(pHbMsg->source_id))
{
m_bUUIDRecieved = true;
m_uuid = pHbMsg->source_id;
//regisit client node to hash-table;
m_pClientTable->regisitClientUUID(this);
}
}
//This Message is Over. Start a new one.
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
continue;
}
else if (m_currentHeader.Mark == 0x55AA)
//Trans Message
{
if (m_currentMessageSize< sizeof(EXAMPLE_TRANS_MSG)-1 && blocklen>offset)
{
int nCpy = blocklen - offset;
if (nCpy > sizeof(EXAMPLE_TRANS_MSG)-1 - m_currentMessageSize)
nCpy = sizeof(EXAMPLE_TRANS_MSG)-1 - m_currentMessageSize;
m_currentBlock.push_back(QByteArray(dataptr+offset,nCpy));
offset += nCpy;
m_currentMessageSize+=nCpy;
}
if (m_currentMessageSize < sizeof(EXAMPLE_TRANS_MSG)-1) //Header not completed.
continue;
else if (m_currentMessageSize == sizeof(EXAMPLE_TRANS_MSG)-1)//Header just completed.
{
const char * headerptr = m_currentBlock.constData();
memcpy((void *)&m_currentHeader,headerptr,sizeof(EXAMPLE_TRANS_MSG)-1);
//continue reading if there is data left behind
if (block.length()>offset)
{
qint32 bitLeft = m_currentHeader.data_length + sizeof(EXAMPLE_TRANS_MSG) - 1
-m_currentMessageSize ;
if (bitLeft>0 && blocklen>offset)
{
int nCpy = blocklen - offset;
if (nCpy > bitLeft)
nCpy = bitLeft;
m_currentBlock.push_back(QByteArray(dataptr+offset,nCpy));
offset += nCpy;
m_currentMessageSize+=nCpy;
bitLeft -= nCpy;
}
//deal block, may be send data as soon as possible;
deal_current_message_block();
if (bitLeft>0)
continue;
//This Message is Over. Start a new one.
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
continue;
}
}
else
{
if (block.length()>offset)
{
qint32 bitLeft = m_currentHeader.data_length + sizeof(EXAMPLE_TRANS_MSG) - 1
-m_currentMessageSize ;
if (bitLeft>0 && blocklen>offset)
{
int nCpy = blocklen - offset;
if (nCpy > bitLeft)
nCpy = bitLeft;
m_currentBlock.push_back(QByteArray(dataptr+offset,nCpy));
offset += nCpy;
m_currentMessageSize+=nCpy;
bitLeft -= nCpy;
}
//deal block, may be processed as soon as possible;
deal_current_message_block();
if (bitLeft>0)
continue;
//This Message is Over. Start a new one.
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
continue;
}
} // end if there is more bytes to append
} //end deal trans message
else
{
const char * ptrCurrData = m_currentBlock.constData();
emit evt_Message(this,tr("Client Send a unknown start Header %1 %2. Close client immediately.")
.arg((int)(ptrCurrData[0])).arg((int)(ptrCurrData[1])));
m_currentMessageSize = 0;
m_currentBlock = QByteArray();
offset = blocklen;
emit evt_close_client(this->sock());
}
} // end while block len > offset
return offset;
}
