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Merge pull request #2302

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ef005f5e p2p: add a couple early outs when the stop signal is received (moneromooo-monero)
80d361c7 abstract_tcp_server2: improve tracking/cancelling of early connections (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-09-21 10:11:33 +02:00
commit 07312a7d6e
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GPG Key ID: 55432DF31CCD4FCD
3 changed files with 20 additions and 22 deletions
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4
contrib/epee/include/net/abstract_tcp_server2.h
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@ -281,8 +281,6 @@ namespace net_utils
bool is_thread_worker();
bool cleanup_connections();
/// The io_service used to perform asynchronous operations.
std::unique_ptr<boost::asio::io_service> m_io_service_local_instance;
boost::asio::io_service& io_service_;
@ -309,7 +307,7 @@ namespace net_utils
connection_ptr new_connection_;
boost::mutex connections_mutex;
std::deque<std::pair<boost::system_time, connection_ptr>> connections_;
std::set<connection_ptr> connections_;
}; // class <>boosted_tcp_server

33
contrib/epee/include/net/abstract_tcp_server2.inl
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@ -54,8 +54,6 @@
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "net"
#define CONNECTION_CLEANUP_TIME 30 // seconds
PRAGMA_WARNING_PUSH
namespace epee
{
@ -808,7 +806,6 @@ POP_WARNINGS
m_threads_count = threads_count;
m_main_thread_id = boost::this_thread::get_id();
MLOG_SET_THREAD_NAME("[SRV_MAIN]");
add_idle_handler(boost::bind(&boosted_tcp_server::cleanup_connections, this), 5000);
while(!m_stop_signal_sent)
{
@ -898,7 +895,7 @@ POP_WARNINGS
connections_mutex.lock();
for (auto &c: connections_)
{
c.second->cancel();
c->cancel();
}
connections_.clear();
connections_mutex.unlock();
@ -907,19 +904,6 @@ POP_WARNINGS
}
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
bool boosted_tcp_server<t_protocol_handler>::cleanup_connections()
{
connections_mutex.lock();
boost::system_time cutoff = boost::get_system_time() - boost::posix_time::seconds(CONNECTION_CLEANUP_TIME);
while (!connections_.empty() && connections_.front().first < cutoff)
{
connections_.pop_front();
}
connections_mutex.unlock();
return true;
}
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
bool boosted_tcp_server<t_protocol_handler>::is_stop_signal_sent()
{
return m_stop_signal_sent;
@ -958,9 +942,10 @@ POP_WARNINGS
connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_config, m_sock_count, m_sock_number, m_pfilter, m_connection_type) );
connections_mutex.lock();
connections_.push_back(std::make_pair(boost::get_system_time(), new_connection_l));
connections_.insert(new_connection_l);
MDEBUG("connections_ size now " << connections_.size());
connections_mutex.unlock();
epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler([&](){ CRITICAL_REGION_LOCAL(connections_mutex); connections_.erase(new_connection_l); });
boost::asio::ip::tcp::socket& sock_ = new_connection_l->socket();
//////////////////////////////////////////////////////////////////////////
@ -1038,6 +1023,10 @@ POP_WARNINGS
_dbg3("Connected success to " << adr << ':' << port);
// start adds the connection to the config object's list, so we don't need to have it locally anymore
connections_mutex.lock();
connections_.erase(new_connection_l);
connections_mutex.unlock();
bool r = new_connection_l->start(false, 1 < m_threads_count);
if (r)
{
@ -1062,9 +1051,10 @@ POP_WARNINGS
TRY_ENTRY();
connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_config, m_sock_count, m_sock_number, m_pfilter, m_connection_type) );
connections_mutex.lock();
connections_.push_back(std::make_pair(boost::get_system_time(), new_connection_l));
connections_.insert(new_connection_l);
MDEBUG("connections_ size now " << connections_.size());
connections_mutex.unlock();
epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler([&](){ CRITICAL_REGION_LOCAL(connections_mutex); connections_.erase(new_connection_l); });
boost::asio::ip::tcp::socket& sock_ = new_connection_l->socket();
//////////////////////////////////////////////////////////////////////////
@ -1113,6 +1103,11 @@ POP_WARNINGS
{
_dbg3("[sock " << new_connection_l->socket().native_handle() << "] Connected success to " << adr << ':' << port <<
" from " << lep.address().to_string() << ':' << lep.port());
// start adds the connection to the config object's list, so we don't need to have it locally anymore
connections_mutex.lock();
connections_.erase(new_connection_l);
connections_mutex.unlock();
bool r = new_connection_l->start(false, 1 < m_threads_count);
if (r)
{

5
src/p2p/net_node.inl
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@ -1090,6 +1090,8 @@ namespace nodetool
if (use_white_list) {
local_peers_count = m_peerlist.get_white_peers_count();
if (!local_peers_count)
return false;
max_random_index = std::min<uint64_t>(local_peers_count -1, 20);
random_index = get_random_index_with_fixed_probability(max_random_index);
} else {
@ -1916,6 +1918,9 @@ namespace nodetool
{
peerlist_entry pe = AUTO_VAL_INIT(pe);
if (m_net_server.is_stop_signal_sent())
return false;
if (!m_peerlist.get_random_gray_peer(pe)) {
return false;
}