/*****************************************************************************
Function:
void TCPClose(SOCKET * pSocket, IPSTATUS * pStatus)
Description:
This politely closes a socket, making sure no data is lost
Parameters:
pSocket: The socket to close, it is always safe to close, closed sockets.
pStatus: A pointer to a status variable to recieve the state of the socket as a status
Returns:
None
***************************************************************************/
void TCPClose(HSOCKET hSocket, IPSTATUS * pStatus)
{
TCPSOCKET * pSocket = (TCPSOCKET *) hSocket;
if(pSocket == NULL)
{
AssignStatusSafely(pStatus, ipsSocketNULL);
return;
}
switch(TCPState(pSocket))
{
case tcpListen:
// closes, releases the socket so it can be used again
pSocket->tcpState = tcpClosed;
break;
case tcpSynSent:
// we do not update sndEND when we send a sndNXT, but we do update the sndNXT
// this is because a syn is a phantom byte and we don't want to point beyond zero
// in our output buffers and attempt to send a garbabe byte.
// but in order to terminate properly we need sndNXT == sndEND or we will loop
// attempting to send bytes from out buffer that we don't have to send
pSocket->sndNXT = pSocket->sndEND; // we may have sent a syn and sndNXT > sndEND
pSocket->tcpState = tcpWaitUserClose;
break;
case tcpSynReceived:
case tcpSynReceivedWhileListening:
pSocket->sndNXT = pSocket->sndEND; // we may have sent a syn and sndNXT > sndEND
// fall thru
case tcpEstablished:
pSocket->tcpState = tcpFinWait1;
break;
case tcpFinWait1:
case tcpFinWait2:
case tcpCloseWait:
case tcpClosing:
case tcpLastAck:
case tcpInvalid:
case tcpUnassigned:
case tcpAllocated:
case tcpClosed:
case tcpWaitUserClose:
default:
break;
}
pSocket->fSocketOpen = false;
// get the status
AssignStatusSafely(pStatus, IPStatusFromTCPState(pSocket->tcpState));
}
/*****************************************************************************
Function:
uint32_t TCPAvailable(SOCKET * pSocket, IPSTATUS * pStatus)
Description:
Returns the number of unread bytes in the socket receive buffer
Parameters:
pSocket: The socket to get the number of unread bytes
pStatus: A pointer to a status variable to recieve the state of the socket as a status
Returns:
Number of unread bytes in the socket, or zero
***************************************************************************/
uint32_t TCPAvailable(HSOCKET hSocket, IPSTATUS * pStatus)
{
TCPSOCKET * pSocket = (TCPSOCKET *) hSocket;
uint32_t rcvNXT = 0;
if(pSocket == NULL)
{
AssignStatusSafely(pStatus, ipsSocketNULL);
return(0);
}
AssignStatusSafely(pStatus, IPStatusFromTCPState(pSocket->tcpState));
switch(TCPState(pSocket))
{
// get rid of the FIN that is in the count
case tcpEstablished:
case tcpSynReceived:
case tcpSynReceivedWhileListening:
case tcpCloseWait:
case tcpLastAck:
case tcpWaitUserClose:
case tcpFinWait1:
case tcpFinWait2:
case tcpClosing:
rcvNXT = pSocket->rcvNXT;
if(pSocket->fGotFin)
{
rcvNXT--;
}
break;
case tcpListen:
case tcpSynSent:
case tcpInvalid:
case tcpUnassigned:
case tcpAllocated:
case tcpClosed:
default:
return(0);
break;
}
// how much can we read
return(rcvNXT);
}
int Workwidget::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: SwitchToCompleteWorkSignal(); break;
case 1: SwitchToChooseCraftSignal(); break;
case 2: SwitchToTimeSecretSignal(); break;
case 3: SwitchToSensorSecretSignal(); break;
case 4: SwitchToParaSecretSignal(); break;
case 5: SwitchToSysEleSecretSignal(); break;
case 6: ShutDownSignal(); break;
case 7: SwitchToGThSignal(); break;
case 8: UpdateShowSig(); break;
case 9: UpdateNetWorkInfoSig(); break;
case 10: ShowRecordStateSig(); break;
case 11: SwitchToCompleteWorkSlot(); break;
case 12: SwitchToChooseCraftSlot(); break;
case 13: SwitchToTimeSecretSlot(); break;
case 14: SwitchToSensorSecretSlot(); break;
case 15: SwitchToParaSecretSlot(); break;
case 16: SwitchToSysEleSecretSlot(); break;
case 17: ShutDown(); break;
case 18: SwitchToGThSecretSlot(); break;
case 19: updatetime(); break;
case 20: showMenu(); break;
case 21: UpdateShowSlot(); break;
case 22: TCPState((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 23: WorkFinished(); break;
case 24: ToWorkWidget(); break;
case 25: UpdateNetWorkInfoSlot(); break;
case 26: ComIndexChange((*reinterpret_cast< int(*)>(_a[1]))); break;
case 27: ShowRecordState(); break;
case 28: on_StartWorkBtn_clicked(); break;
case 29: on_ManInputBtn_clicked(); break;
case 30: on_QuPi_clicked(); break;
default: ;
}
_id -= 31;
}
return _id;
}
int TGNetwork::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: sevIPPort((*reinterpret_cast< QString(*)>(_a[1])),(*reinterpret_cast< uint(*)>(_a[2]))); break;
case 1: TestDataSignal((*reinterpret_cast< char*(*)>(_a[1]))); break;
case 2: SwitchToWork(); break;
case 3: on_NetBtn_clicked(); break;
case 4: on_SendTestDataBtn_clicked(); break;
case 5: on_NetBtn_2_clicked(); break;
case 6: TCPState((*reinterpret_cast< bool(*)>(_a[1]))); break;
default: ;
}
_id -= 7;
}
return _id;
}