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50
51#include "connectionmanager.h"
52#include "peerwireclient.h"
53#include "ratecontroller.h"
54#include "torrentclient.h"
55#include "torrentserver.h"
56
57Q_GLOBAL_STATIC(TorrentServer, torrentServer)
58
59TorrentServer *TorrentServer::instance()
60{
61 return torrentServer();
62}
63
64void TorrentServer::addClient(TorrentClient *client)
65{
66 clients << client;
67}
68
69void TorrentServer::removeClient(TorrentClient *client)
70{
71 clients.removeAll(t: client);
72}
73
74void TorrentServer::incomingConnection(qintptr socketDescriptor)
75{
76 PeerWireClient *client =
77 new PeerWireClient(ConnectionManager::instance()->clientId(), this);
78
79 if (client->setSocketDescriptor(socketDescriptor)) {
80 if (ConnectionManager::instance()->canAddConnection() && !clients.isEmpty()) {
81 connect(sender: client, signal: &PeerWireClient::infoHashReceived,
82 receiver: this, slot: &TorrentServer::processInfoHash);
83 connect(sender: client, signal: &PeerWireClient::errorOccurred,
84 receiver: this, slot: QOverload<>::of(ptr: &TorrentServer::removeClient));
85 RateController::instance()->addSocket(socket: client);
86 ConnectionManager::instance()->addConnection(connection: client);
87 return;
88 }
89 }
90 client->abort();
91 delete client;
92}
93
94void TorrentServer::removeClient()
95{
96 PeerWireClient *peer = qobject_cast<PeerWireClient *>(object: sender());
97 RateController::instance()->removeSocket(socket: peer);
98 ConnectionManager::instance()->removeConnection(connection: peer);
99 peer->deleteLater();
100}
101
102void TorrentServer::processInfoHash(const QByteArray &infoHash)
103{
104 PeerWireClient *peer = qobject_cast<PeerWireClient *>(object: sender());
105 for (TorrentClient *client : qAsConst(t&: clients)) {
106 if (client->state() >= TorrentClient::Searching && client->infoHash() == infoHash) {
107 peer->disconnect(sender: peer, signal: nullptr, receiver: this, member: nullptr);
108 client->setupIncomingConnection(peer);
109 return;
110 }
111 }
112 removeClient();
113}
114

source code of qtbase/examples/network/torrent/torrentserver.cpp