bool Socket::readToBuffer()
{
if(file < 0)
throw InvalidState("Socket is closed.");
char buffer[64*1024];
ssize_t readIn = 0;
do{
readIn = 0;
do {
readBuffer.append(buffer, readIn);
if(0 < readIn){
totalReceived += readIn;
dataReceived();
if(file == -1) // closed by child class
return true;
}
readIn = ::read(file, buffer, sizeof(buffer));
} while(0 < readIn);
} while(readIn < 0 && errno == EINTR);
if(readIn < 0 && ( errno != EAGAIN /*&& errno != EWOULDBLOCK*/ ) )
throw SocketError(errno, "Error while reading from socket.");
return 0 <= readIn; // false if EAGAIN or EWOULDBLOCK happened
}
bool Socket::writeFromBuffer()
{
if(file < 0)
throw InvalidState("Socket is closed.");
long unsigned written = 0;
int justWritten = 0;
do {
justWritten = 0;
do {
written += justWritten;
justWritten = ::write(file,
writeBuffer.c_str() + written,
writeBuffer.length - written);
} while(0 < justWritten);
} while(justWritten < 0 && errno == EINTR);
int errNo = errno;
totalSent += written;
writeBuffer.chopFront(written);
if(justWritten < 0 && (errNo == EPIPE || errNo == ECONNRESET))
throw SocketClosedByPeer(errNo, "Error after writting % bytes "
"to socket.", written);
if(justWritten < 0 && ( errNo != EAGAIN /*&& errNo != EWOULDBLOCK*/))
throw SocketError(errNo, "Error after writting % bytes "
"to socket.", written);
if(closeOnSent && writeBuffer.length == 0)
close();
return 0 <= justWritten; // false if EAGAIN or EWOULDBLOCK happened
}
int InteractionVector<Vector>::getNumberOfIndividualsToInclude() const {
#ifdef DEBUG
if(!initialised){
throw InvalidState("InteractionVector is not initialised.");
}
#endif
return numberOfIndividualsToInclude;
}
Vector& InteractionVector<Vector>::getInteractionData() {
#ifdef DEBUG
if(!initialised){
throw InvalidState("InteractionVector is not initialised.");
}
#endif
return *interactionExMissing;
}
bool Socket::send(const Str & data)
{
if(file < 0)
throw InvalidState("Socket is closed.");
writeBuffer.append(data);
return writeFromBuffer();
}
void RpcServer::listen(int seconds)
{
if (destroyed) {
throw InvalidState("Invalid state: server has been shutdown and cannot be restarted.");
}
printInfo();
run(seconds);
destroyed = true;
}
void RpcServer::startListener()
{
if (destroyed) {
throw InvalidState("Invalid state: server has been shutdown and cannot be restarted.");
}
// One must call PyEval_InitThreads() in the main thread
// to initialize thread state, which is needed for proper functioning
// of PyGILState_Ensure()/PyGILState_Release().
PyGilManager::evalInitThreads();
epicsThreadCreate("RpcServerListenerThread", epicsThreadPriorityLow, epicsThreadGetStackSize(epicsThreadStackSmall), (EPICSTHREADFUNC)listenerThread, this);
}
RiskAllele SNP::getRiskAllele() const {
if(!riskAlleleHasBeenSet){
std::ostringstream os;
os << "Can't get risk allele since it has not been set for SNP " << id.getString() << std::endl;
const std::string& tmp = os.str();
throw InvalidState(tmp.c_str());
}
if(snpIsRisk){
return riskAllele;
}else{
return riskAllele == ALLELE_ONE ? ALLELE_TWO : ALLELE_ONE;
}
}
String Socket::receive(size_t length)
{
if(file < 0)
throw InvalidState("Socket is closed.");
if(readBuffer.length < length){
readToBuffer();
if(readBuffer.length < length)
throw SocketError("Can not yet read % byte long "
"string from socket.", length);
}
String ret(readBuffer.read(0, length));
readBuffer.chopFront(length);
return ret;
}
