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279 lines
7.4 KiB
279 lines
7.4 KiB
#include "internal.h"
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#include "internal.moc"
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#include <tqptrlist.h>
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#include <klocale.h>
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#include "mp_interface.h"
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#define DATA_ERROR(i) { dataError(i); return; }
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#define READ_ERROR(i) { readError(i); return; }
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#define WRITE_ERROR(i) { writeError(i); return; }
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#define BROKE_ERROR(i) { brokeError(i); return; }
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#define LAG_ERROR { lagError(); return; }
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//-----------------------------------------------------------------------------
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void Local::dataError(uint i)
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{
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qWarning("MP : Invalid data from board #%i", i);
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}
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void Local::readData(bool inverse)
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{
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// read data from local boards
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for (uint i=0; i<ios.size(); i++) {
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boards[i].ptr->dataOut(ios[i]->writing);
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if (inverse) ios[i]->writingToReading();
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}
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}
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void Local::writeData(bool inverse)
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{
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// write data to local boards
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for (uint i=0; i<ios.size(); i++) {
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if (inverse) ios[i]->writingToReading();
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boards[i].ptr->dataIn(ios[i]->reading);
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if ( !ios[i]->reading.readOk() ) DATA_ERROR(i);
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}
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}
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void Local::treatData()
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{
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readData(TRUE);
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interface->treatData();
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// check reading stream
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for (uint i=0; i<ios.size(); i++)
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if ( !ios[i]->reading.readOk() ) DATA_ERROR(i);
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writeData(TRUE);
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}
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//-----------------------------------------------------------------------------
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Server::Server(uint _interval)
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: interval(_interval)
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{
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timer.start(interval);
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}
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void Server::congestion()
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{
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qWarning("MP : congestion occurred !!");
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}
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void Server::serverTimeout()
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{
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ctimer.start(2*interval, TRUE);
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timeout();
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}
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//-----------------------------------------------------------------------------
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Network::Network(MPInterface *_interface,
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TQValueList<MPInterface::Data> &_boards,
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const TQPtrList<RemoteHostData> &rhd)
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: Local(_interface, _boards)
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{
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RemoteData rd;
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TQPtrListIterator<RemoteHostData> it(rhd);
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for (; it.current(); ++it) {
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rd.socket = it.current()->socket;
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rd.socket->notifier()->setEnabled(TRUE);
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connect(rd.socket->notifier(), TQT_SIGNAL(activated(int)),
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TQT_SLOT(notifier(int)));
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uint nb = it.current()->bds.count();
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Q_ASSERT( nb>=1 );
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rd.array = new BufferArray(nb);
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for (uint k=0; k<it.current()->bds.count(); k++)
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rd.names += it.current()->bds[k].name;
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remotes += rd;
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}
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}
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Network::~Network()
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{
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for (uint i=0; i<remotes.count(); i++) {
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delete remotes[i].socket;
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delete remotes[i].array;
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}
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}
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uint Network::nbPlayers() const
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{
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uint nb = Local::nbPlayers();
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for (uint i=0; i<remotes.count(); i++) nb += remotes[i].array->size();
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return nb;
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}
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TQString Network::playerName(uint i) const
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{
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uint l = Local::nbPlayers();
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if ( i<l ) return Local::playerName(i);
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for (uint k=0; k<remotes.count(); k++) {
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uint ll = remotes[k].array->size();
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if ( i<(l+ll) ) return remotes[k].names[i-l];
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l += ll;
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}
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return TQString::null; // dummy
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}
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IOBuffer *Network::ioBuffer(uint i) const
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{
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if ( i<Local::nbPlayers() ) return Local::ioBuffer(i);
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i -= Local::nbPlayers();
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for (uint k=0; k<remotes.count(); k++) {
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if ( i<remotes[k].array->size() ) return (*remotes[k].array)[i];
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i -= remotes[k].array->size();
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}
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Q_ASSERT(FALSE);
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return 0;
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}
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void Network::readError(uint i)
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{
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disconnectHost(i, i18n("Unable to read socket"));
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}
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void Network::writeError(uint i)
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{
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disconnectHost(i, i18n("Unable to write to socket"));
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}
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void Network::brokeError(uint i)
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{
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disconnectHost(i, i18n("Link broken"));
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}
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void Network::disconnectHost(uint i, const TQString &msg)
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{
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delete remotes[i].socket;
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delete remotes[i].array;
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remotes.remove(remotes.at(i));
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interface->hostDisconnected(i, msg);
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}
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//-----------------------------------------------------------------------------
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LocalServer::LocalServer(MPInterface *_interface,
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TQValueList<MPInterface::Data> &_boards,
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uint _interval)
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: Local(_interface, _boards), Server(_interval)
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{
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connect(&timer, TQT_SIGNAL(timeout()), TQT_SLOT(timeoutSlot()));
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connect(&ctimer, TQT_SIGNAL(timeout()), TQT_SLOT(congestionTimeoutSlot()));
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serverTimeout();
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}
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//-----------------------------------------------------------------------------
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NetworkServer::NetworkServer(MPInterface *_interface,
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TQValueList<MPInterface::Data> &_boards,
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const TQPtrList<RemoteHostData> &rhd, uint _interval)
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: Network(_interface, _boards, rhd), Server(_interval),
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nbReceived(remotes.count())
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{
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connect(&timer, TQT_SIGNAL(timeout()), TQT_SLOT(timeoutSlot()));
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connect(&ctimer, TQT_SIGNAL(timeout()), TQT_SLOT(congestionTimeoutSlot()));
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// to catch unexpected data
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for (uint i=0; i<remotes.count(); i++) remotes[i].received = TRUE;
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nbReceived = remotes.count();
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// let the client the time to create itself ...
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// serverTimeout();
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}
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void NetworkServer::timeout()
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{
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if ( nbReceived<remotes.count() ) LAG_ERROR;
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nbReceived = 0;
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for (uint i=0; i<remotes.count(); i++) remotes[i].received = FALSE;
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// send MF_ASK : asking for data from clients
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for (uint i=0; i<remotes.count(); i++) {
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remotes[i].socket->writingStream() << MF_Ask;
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// debug("SERVER : send ask flag");
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if ( !remotes[i].socket->write() ) WRITE_ERROR(i);
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}
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}
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void NetworkServer::notifier(int fd)
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{
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uint i;
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for (i=0; i<remotes.count(); i++)
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if ( remotes[i].socket->fd()==fd ) break;
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Q_ASSERT( i<remotes.count() );
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if ( remotes[i].received ) READ_ERROR(i);
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switch ( remotes[i].socket->read() ) {
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case -1: READ_ERROR(i);
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case 0: BROKE_ERROR(i);
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}
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remotes[i].received = TRUE;
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nbReceived++;
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ReadingStream &s = remotes[i].socket->readingStream();
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// debug("SERVER : notifier + read (fd=%i i=%i size=%i)", fd, i,
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// s.size());
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s >> *remotes[i].array;
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if ( !s.readOk() ) DATA_ERROR(i);
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// all data from clients received
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if ( nbReceived==remotes.count() ) treatData();
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}
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void NetworkServer::writeData(bool inverse)
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{
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Local::writeData(inverse);
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for (uint i=0; i<remotes.count(); i++) {
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WritingStream &s = remotes[i].socket->writingStream();
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s << MF_Data;
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s << *remotes[i].array;
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s.writeRawBytes(globalStream()->buffer().data(),
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globalStream()->size());
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// debug("SERVER : write data (size= 1 + %i + %i=%i)",
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// globalStream()->size(), s.size()-globalStream()->size()-1,
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// s.size());
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if ( !remotes[i].socket->write() ) WRITE_ERROR(i);
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}
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globalStream()->clear();
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}
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void NetworkServer::lagError()
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{
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for (uint i=0; i<remotes.count(); i++)
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if ( !remotes[i].received )
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disconnectHost(i, i18n("Client has not answered in time"));
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}
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//-----------------------------------------------------------------------------
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void Client::notifier(int)
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{
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switch ( remotes[0].socket->read() ) {
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case -1: READ_ERROR(0);
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case 0: BROKE_ERROR(0);
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}
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ReadingStream &s = remotes[0].socket->readingStream();
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MetaFlag mf;
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s >> mf;
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if ( !s.readOk() ) DATA_ERROR(0);
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// debug("CLIENT : reading stream (size=%i flag=%i)", s.size(),
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// (int)mf);
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switch(mf) {
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case MF_Ask:
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// write data from local boards to server socket (cleaning
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// of writing stream is done in write())
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readData(FALSE);
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remotes[0].socket->writingStream() << ios;
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// debug("CLIENT : send ios (size=%i)",
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// remotes[0].socket->writingStream().size());
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if ( !remotes[0].socket->write() ) WRITE_ERROR(0);
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break;
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case MF_Data:
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// read data from server to interface & local boards
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// debug("CLIENT : before receive ios (at=%i)", s.device()->at());
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s >> ios;
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// debug("CLIENT : after receive ios (at=%i)", s.device()->at());
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interface->dataFromServer(s);
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// debug("CLIENT : after dataFromServer (at=%i)", s.device()->at());
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if ( !s.readOk() ) DATA_ERROR(0);
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writeData(FALSE);
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break;
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default: DATA_ERROR(0);
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}
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if ( !s.atEnd() ) qWarning("CLIENT : remaining data");
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}
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