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Pass SharedBuffer as value to increment reference count

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This should fix #6332
Refcount is not increased due to reference, it can make this refcount incorrect in a multithread context
This commit is contained in:
Loïc Blot 2017-08-28 17:12:30 +02:00
parent 04158d0c84
commit 6fd8a27c91
2 changed files with 11 additions and 11 deletions
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10
src/network/connectionthreads.cpp
View File

@ -1098,7 +1098,7 @@ bool ConnectionReceiveThread::checkIncomingBuffers(Channel *channel,
} }
SharedBuffer<u8> ConnectionReceiveThread::processPacket(Channel *channel, SharedBuffer<u8> ConnectionReceiveThread::processPacket(Channel *channel,
SharedBuffer<u8> &packetdata, u16 peer_id, u8 channelnum, bool reliable) SharedBuffer<u8> packetdata, u16 peer_id, u8 channelnum, bool reliable)
{ {
PeerHelper peer = m_connection->getPeerNoEx(peer_id); PeerHelper peer = m_connection->getPeerNoEx(peer_id);
@ -1137,7 +1137,7 @@ const ConnectionReceiveThread::PacketTypeHandler
}; };
SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Control(Channel *channel, SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Control(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, bool reliable) SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum, bool reliable)
{ {
if (packetdata.getSize() < 2) if (packetdata.getSize() < 2)
throw InvalidIncomingDataException("packetdata.getSize() < 2"); throw InvalidIncomingDataException("packetdata.getSize() < 2");
@ -1247,7 +1247,7 @@ SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Control(Channel *chan
} }
SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Original(Channel *channel, SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Original(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, bool reliable) SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum, bool reliable)
{ {
if (packetdata.getSize() <= ORIGINAL_HEADER_SIZE) if (packetdata.getSize() <= ORIGINAL_HEADER_SIZE)
throw InvalidIncomingDataException throw InvalidIncomingDataException
@ -1261,7 +1261,7 @@ SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Original(Channel *cha
} }
SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Split(Channel *channel, SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Split(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, bool reliable) SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum, bool reliable)
{ {
Address peer_address; Address peer_address;
@ -1292,7 +1292,7 @@ SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Split(Channel *channe
} }
SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Reliable(Channel *channel, SharedBuffer<u8> ConnectionReceiveThread::handlePacketType_Reliable(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, bool reliable) SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum, bool reliable)
{ {
assert(channel != NULL); assert(channel != NULL);

12
src/network/connectionthreads.h
View File

@ -118,26 +118,26 @@ private:
channelnum: channel on which the packet was sent channelnum: channel on which the packet was sent
reliable: true if recursing into a reliable packet reliable: true if recursing into a reliable packet
*/ */
SharedBuffer<u8> processPacket(Channel *channel, SharedBuffer<u8> &packetdata, SharedBuffer<u8> processPacket(Channel *channel, SharedBuffer<u8> packetdata,
u16 peer_id, u8 channelnum, bool reliable); u16 peer_id, u8 channelnum, bool reliable);
SharedBuffer<u8> handlePacketType_Control(Channel *channel, SharedBuffer<u8> handlePacketType_Control(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum,
bool reliable); bool reliable);
SharedBuffer<u8> handlePacketType_Original(Channel *channel, SharedBuffer<u8> handlePacketType_Original(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum,
bool reliable); bool reliable);
SharedBuffer<u8> handlePacketType_Split(Channel *channel, SharedBuffer<u8> handlePacketType_Split(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum,
bool reliable); bool reliable);
SharedBuffer<u8> handlePacketType_Reliable(Channel *channel, SharedBuffer<u8> handlePacketType_Reliable(Channel *channel,
SharedBuffer<u8> &packetdata, Peer *peer, u8 channelnum, SharedBuffer<u8> packetdata, Peer *peer, u8 channelnum,
bool reliable); bool reliable);
struct PacketTypeHandler struct PacketTypeHandler
{ {
SharedBuffer<u8> (ConnectionReceiveThread::*handler)(Channel *channel, SharedBuffer<u8> (ConnectionReceiveThread::*handler)(Channel *channel,
SharedBuffer<u8> &packet, Peer *peer, u8 channelnum, SharedBuffer<u8> packet, Peer *peer, u8 channelnum,
bool reliable); bool reliable);
}; };