torrentserver.cpp Example File

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  #include "connectionmanager.h"
  #include "peerwireclient.h"
  #include "ratecontroller.h"
  #include "torrentclient.h"
  #include "torrentserver.h"

  Q_GLOBAL_STATIC(TorrentServer, torrentServer)

  TorrentServer *TorrentServer::instance()
  {
      return torrentServer();
  }

  void TorrentServer::addClient(TorrentClient *client)
  {
      clients << client;
  }

  void TorrentServer::removeClient(TorrentClient *client)
  {
      clients.removeAll(client);
  }

  void TorrentServer::incomingConnection(qintptr socketDescriptor)
  {
      PeerWireClient *client =
          new PeerWireClient(ConnectionManager::instance()->clientId(), this);

      if (client->setSocketDescriptor(socketDescriptor)) {
          if (ConnectionManager::instance()->canAddConnection() && !clients.isEmpty()) {
              connect(client, SIGNAL(infoHashReceived(QByteArray)),
                      this, SLOT(processInfoHash(QByteArray)));
              connect(client, SIGNAL(error(QAbstractSocket::SocketError)),
                      this, SLOT(removeClient()));
              RateController::instance()->addSocket(client);
              ConnectionManager::instance()->addConnection(client);
              return;
          }
      }
      client->abort();
      delete client;
  }

  void TorrentServer::removeClient()
  {
      PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
      RateController::instance()->removeSocket(peer);
      ConnectionManager::instance()->removeConnection(peer);
      peer->deleteLater();
  }

  void TorrentServer::processInfoHash(const QByteArray &infoHash)
  {
      PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
      foreach (TorrentClient *client, clients) {
          if (client->state() >= TorrentClient::Searching && client->infoHash() == infoHash) {
              peer->disconnect(peer, 0, this, 0);
              client->setupIncomingConnection(peer);
              return;
          }
      }
      removeClient();
  }