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Node id handshake container not protected during push (#2402)

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* Node id handshake container not protected during push

* Use nano::lock_guard not std::lock_guard
This commit is contained in:
Wesley Shillingford 2019-11-12 13:09:44 +00:00 • committed by GitHub
commit 94fb929f2c
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 3 deletions
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10
nano/node/transport/tcp.cpp
View file

@ -484,7 +484,13 @@ bool nano::transport::tcp_channels::node_id_handhake_sockets_empty () const
return node_id_handshake_sockets.empty ();
}
void nano::transport::tcp_channels::remove_node_id_handshake_socket (std::shared_ptr<nano::socket> socket_a)
void nano::transport::tcp_channels::push_node_id_handshake_socket (std::shared_ptr<nano::socket> const & socket_a)
{
nano::lock_guard<std::mutex> guard (mutex);
node_id_handshake_sockets.push_back (socket_a);
}
void nano::transport::tcp_channels::remove_node_id_handshake_socket (std::shared_ptr<nano::socket> const & socket_a)
{
std::weak_ptr<nano::node> node_w (node.shared ());
if (auto node_l = node_w.lock ())
@ -521,7 +527,7 @@ void nano::transport::tcp_channels::start_tcp (nano::endpoint const & endpoint_a
}
std::shared_ptr<std::vector<uint8_t>> receive_buffer (std::make_shared<std::vector<uint8_t>> ());
receive_buffer->resize (256);
node_l->network.tcp_channels.node_id_handshake_sockets.push_back (socket);
node_l->network.tcp_channels.push_node_id_handshake_socket (socket);
channel->send_buffer (bytes, nano::stat::detail::node_id_handshake, [node_w, channel, endpoint_a, receive_buffer, callback_a](boost::system::error_code const & ec, size_t size_a) {
if (auto node_l = node_w.lock ())
{

3
nano/node/transport/tcp.hpp
View file

@ -104,7 +104,8 @@ namespace transport
void start_tcp (nano::endpoint const &, std::function<void(std::shared_ptr<nano::transport::channel>)> const & = nullptr);
void start_tcp_receive_node_id (std::shared_ptr<nano::transport::channel_tcp>, nano::endpoint const &, std::shared_ptr<std::vector<uint8_t>>, std::function<void(std::shared_ptr<nano::transport::channel>)> const &);
void udp_fallback (nano::endpoint const &, std::function<void(std::shared_ptr<nano::transport::channel>)> const &);
void remove_node_id_handshake_socket (std::shared_ptr<nano::socket> socket_a);
void push_node_id_handshake_socket (std::shared_ptr<nano::socket> const & socket_a);
void remove_node_id_handshake_socket (std::shared_ptr<nano::socket> const & socket_a);
bool node_id_handhake_sockets_empty () const;
nano::node & node;