forked from Mirrorlandia_minetest/minetest
Assign peer IDs randomly
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db88d24ff8
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@ -1551,29 +1551,22 @@ u16 Connection::createPeer(Address& sender, MTProtocols protocol, int fd)
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{
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// Somebody wants to make a new connection
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// Get a unique peer id (2 or higher)
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session_t peer_id_new = m_next_remote_peer_id;
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u16 overflow = MAX_UDP_PEERS;
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// Get a unique peer id
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const session_t minimum = 2;
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const session_t overflow = MAX_UDP_PEERS;
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/*
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Find an unused peer id
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*/
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MutexAutoLock lock(m_peers_mutex);
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bool out_of_ids = false;
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for(;;) {
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// Check if exists
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session_t peer_id_new;
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for (int tries = 0; tries < 100; tries++) {
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peer_id_new = myrand_range(minimum, overflow - 1);
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if (m_peers.find(peer_id_new) == m_peers.end())
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break;
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// Check for overflow
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if (peer_id_new == overflow) {
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out_of_ids = true;
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break;
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}
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peer_id_new++;
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}
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if (out_of_ids) {
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if (m_peers.find(peer_id_new) != m_peers.end()) {
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errorstream << getDesc() << " ran out of peer ids" << std::endl;
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return PEER_ID_INEXISTENT;
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}
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@ -1585,8 +1578,6 @@ u16 Connection::createPeer(Address& sender, MTProtocols protocol, int fd)
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m_peers[peer->id] = peer;
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m_peer_ids.push_back(peer->id);
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m_next_remote_peer_id = (peer_id_new +1 ) % MAX_UDP_PEERS;
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LOG(dout_con << getDesc()
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<< "createPeer(): giving peer_id=" << peer_id_new << std::endl);
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@ -793,8 +793,6 @@ private:
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u32 m_bc_receive_timeout = 0;
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bool m_shutting_down = false;
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session_t m_next_remote_peer_id = 2;
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};
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} // namespace
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@ -245,7 +245,7 @@ void TestConnection::testConnectSendReceive()
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UASSERT(hand_client.last_id == 1);
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// Server should have the client
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UASSERT(hand_server.count == 1);
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UASSERT(hand_server.last_id == 2);
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UASSERT(hand_server.last_id >= 2);
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//sleep_ms(50);
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@ -300,7 +300,7 @@ void TestConnection::testConnectSendReceive()
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UASSERT(memcmp(*sentdata, *recvdata, recvdata.getSize()) == 0);
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}
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session_t peer_id_client = 2;
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const session_t peer_id_client = hand_server.last_id;
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/*
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Send a large packet
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*/
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@ -374,5 +374,5 @@ void TestConnection::testConnectSendReceive()
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UASSERT(hand_client.count == 1);
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UASSERT(hand_client.last_id == 1);
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UASSERT(hand_server.count == 1);
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UASSERT(hand_server.last_id == 2);
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UASSERT(hand_server.last_id >= 2);
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}
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