int BufferManager::read(UDPSocket &sock)
{
int ret ;
m_InReq.ioBuf = NULL;
memset(&m_InReq.m_msgHeader,0,HEADER_SIZE);
m_iLen = HEADER_SIZE;
if((ret = sock.readSocket(((char *)(&m_InReq.m_msgHeader)),HEADER_SIZE,m_InReq.oppoAddr)) < 0)
{
handleSyscallError("BufferManager::read UDPSocket");
return FAILED;
}
else if((unsigned int) ret < HEADER_SIZE)
{
handleSyscallError("BufferManager::read(UDPSocket)");
return FAILED;
}
m_iLen = m_InReq.m_msgHeader.length;
if(m_iLen == 0)
{
m_InReq.ioBuf = NULL;
if(m_pAgent)
m_pAgent->readBack(m_InReq);
return SUCCESSFUL;
}
m_InReq.ioBuf = new char[m_iLen + 1];
memset(m_InReq.ioBuf,0,m_iLen + 1);
if((ret = sock.readSocket(m_InReq.ioBuf,m_iLen,m_InReq.oppoAddr)) < 0)
{
handleSyscallError("BufferManager::read UDPSocket data");
return FAILED;
}
if((unsigned int)ret < m_iLen)
{
handleError("BufferManager::read UDPSocket data incomplete");
}
if(m_pAgent)
m_pAgent->readBack(m_InReq);
else
handleError("BufferManager don't be relate with a Agent");
delete [] (char *)m_InReq.ioBuf;
m_bInit = true;
return SUCCESSFUL;
}
int BufferManager::read(UDPSocket &sock)
{
int ret;
m_InReq.ioBuf = NULL;
memset(&m_InReq.m_msgHeader, 0, HEADER_SIZE);
m_iLen = 1024;
char *buf = new char[m_iLen];
if ((ret = sock.readSocket(buf, m_iLen, m_InReq.oppoAddr)) < 0) {
return FAILED;
} else if ((unsigned int)ret < HEADER_SIZE) {
DEV_LOG_ERROR("BufferManager::read(UDPSocket &sock) Error, readNum < HEADER_SIZE");
return FAILED;
}
memcpy(&m_InReq.m_msgHeader, buf, HEADER_SIZE);
m_InReq.ioBuf = new char[ret - HEADER_SIZE + 1];
memset(m_InReq.ioBuf, 0, ret - HEADER_SIZE + 1);
if (m_InReq.m_msgHeader.length != (ret - HEADER_SIZE)) {
DEV_LOG_ERROR("BufferManager::read(UDPSocket &sock) Error, date length error");
}
memcpy(m_InReq.ioBuf, buf + HEADER_SIZE, ret - HEADER_SIZE);
m_Agent->readBack(m_InReq);
m_bInit = true;
return SUCCESSFUL;
/*
int ret;
if(m_bInit)
{
m_InReq.ioBuf=NULL;
memset(&m_InReq.m_msgHeader,0,HEADER_SIZE);
m_bInit = false;
m_iLen = 1000000;
// m_iLen = HEADER_SIZE;
}
char* buf = new char[m_iLen];
if( (ret = sock.readSocket(buf, m_iLen, m_InReq.oppoAddr)) < 0)
{
return FAILED;
}
cout << "ret = " << ret << endl;
memcpy(&m_InReq.m_msgHeader, buf, HEADER_SIZE);
cout << m_InReq.m_msgHeader.length << endl;
m_InReq.ioBuf = new char[ret - HEADER_SIZE + 1];
memset(m_InReq.ioBuf, 0, ret - HEADER_SIZE + 1);
memcpy(m_InReq.ioBuf, buf + HEADER_SIZE, ret - HEADER_SIZE);
m_Agent->readBack(m_InReq);
m_bInit = true;
return SUCCESSFUL;
if(m_bReadHead)
{
if((ret = sock.readSocket(((char*)(&m_InReq.m_msgHeader))+m_iOffset,
m_iLen-m_iOffset,m_InReq.oppoAddr))<0)
{
if( !((EINTR == errno) || (EWOULDBLOCK == errno)))
{
DEV_LOG(LERROR, OUT_BOTH, "BufferManager::readUDPSocket ");
return FAILED;
}
else
{
return SUCCESSFUL;
}
}
m_iOffset+=(unsigned int)ret;
if(HEADER_SIZE == m_iOffset)
{
m_bReadHead = false;
m_iOffset = 0;
m_iLen=m_InReq.m_msgHeader.length;
if( m_iLen > 0)
{
m_InReq.ioBuf = new char[m_iLen+1];
}
else if(m_iLen == 0)
{
if(m_Agent != NULL)
{
m_Agent->readBack(m_InReq);
}
m_bInit = true;
m_bReadHead = true;
return SUCCESSFUL;
}
else
{
DEV_LOG(LERROR, OUT_BOTH, "the data length invalid in BufferManager:readUDP");
return FAILED;
}
}
}
if(!m_bReadHead)
{
if((ret =sock.readSocket(m_InReq.ioBuf+m_iOffset,m_iLen, m_InReq.oppoAddr))<0)
{
if( !((EINTR == errno) || (EWOULDBLOCK == errno)))
{
DEV_LOG(LERROR, OUT_BOTH, "BufferManager::readUDPSocket ");
return FAILED;
}
return SUCCESSFUL;
}
m_iOffset+=(unsigned int)ret;
if(m_iOffset == m_iLen)
{
m_InReq.ioBuf[m_iLen]=0;
m_iOffset =0;
m_iLen =0;
m_bReadHead=true;
m_bInit = true;
if(m_Agent != NULL)
{
m_Agent->readBack(m_InReq);
}
return SUCCESSFUL;
}
}
return (int)(m_iLen - m_iOffset);
*/
}
