uint8 BCSPImplementation::startIO()
{
uint8 retval = 0 ;
int err ;
if ((!mXMITBusy) && (mXMITBytesAvailable))
{
mXMITBusy = true ;
mLastXmitTime = ms_clock() ;
if ( mFile->write(mXMITBuffer,mXMITBytesAvailable,&mXMITbytesWritten) )
{
//function succeeded immediately
mXMITBusy = false ;
retval =1 ;
}
else if ( ( err = mFile->LastError() ) )
{
mXMITBusy = false ;
BTRACE1(WINERR,"WriteFile error %d\n",err) ;
BTRACE1(WINERR,"bytesavail = %d",mXMITBytesAvailable);
BTRACE1(WINERR,"byteswritten = %d",mXMITbytesWritten);
}
}
if ((!mRCVBusy) && (!mRCVBytesAvailable))
{
//Now try to read some chars from the uart.
uint16 bytesToGet = numFreeSlotsInReceiveBuffer(mStack) ;
mRCVBusy = true ;
if ( mFile->read( mRCVBuffer , bytesToGet , &mRCVBytesAvailable ) )
{
mRCVBusy = false ;
retval =1 ;
}
else if ( (err = mFile->LastError()) )
{
mRCVBusy = false ;
BTRACE1(WINERR,"ReadFile error %d\n",err) ;
}
}
return retval ; //indicate that we need to wait for some io to complete or not
}
//##ModelId=43586653005E
int CChennel::OpenChennel()
{
/* Get a TCP socket */
struct sockaddr_in stLclAddr; /* Sockets Address Structure */
#ifdef SOCKET_TRACE
mprintf("Open Connection [%s:%d]",mPorts[index].sIp,mPorts[index].iHPort);
#endif
if (mHandle !=INVALID_SOCKET ){
shutdown(mHandle,2);
closesocket (mHandle);
mHandle=INVALID_SOCKET;
}
memset(&stLclAddr,0,sizeof(stLclAddr));
/* Get IP Address from a hostname (or IP address string in dot-notation) */
mHandle = socket (AF_INET, SOCK_STREAM, 0);
if (mHandle ==INVALID_SOCKET) {
mprintf("Open Socket Failure\n");
return -1;
}
/* Initialize the Sockets Internet Address (sockaddr_in) structure */
stLclAddr.sin_addr.s_addr =inet_addr(mAddr);
stLclAddr.sin_family = AF_INET; /* Internet Address Family */
stLclAddr.sin_port = htons(mPort); /* TCP Echo Port */
if (connect(mHandle,(struct sockaddr*)&stLclAddr,sizeof(stLclAddr)) < 0) {
mprintf("fail Connect to %s:%u\n",mAddr,mPort );
closesocket (mHandle);
mHandle=INVALID_SOCKET;
return -1;
}
u_long ch = 1;
if( ioctlsocket ( mHandle,FIONBIO,&ch)<0){
mprintf("Set Socket to nonblocking failure\n");
CloseChennel();
return -1;
}
#ifdef SOCKET_TRACE
BTRACE1("Connect OK socket is %d!!",mPorts[index].wTcpSock);
#endif
RESET_TIME_INTERVAL(mTP);
return 1;
}
