From 80d361c795779d1f2c8ff9186c0b6f906d8cf3ec Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Wed, 16 Aug 2017 15:41:34 +0100 Subject: abstract_tcp_server2: improve tracking/cancelling of early connections We don't actually need to keep them past the call to start, as this adds them to the config object list, and so they'll then be cancelled already when the stop signal arrives. This allows removing the periodic call to cleanup connections. --- contrib/epee/include/net/abstract_tcp_server2.h | 4 +-- contrib/epee/include/net/abstract_tcp_server2.inl | 33 ++++++++++------------- 2 files changed, 15 insertions(+), 22 deletions(-) (limited to 'contrib/epee') diff --git a/contrib/epee/include/net/abstract_tcp_server2.h b/contrib/epee/include/net/abstract_tcp_server2.h index ca58d5467..03f143fe4 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.h +++ b/contrib/epee/include/net/abstract_tcp_server2.h @@ -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 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> connections_; + std::set connections_; }; // class <>boosted_tcp_server diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl index 61276e761..76988a26e 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.inl +++ b/contrib/epee/include/net/abstract_tcp_server2.inl @@ -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 - bool boosted_tcp_server::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 bool boosted_tcp_server::is_stop_signal_sent() { return m_stop_signal_sent; @@ -958,9 +942,10 @@ POP_WARNINGS connection_ptr new_connection_l(new connection(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(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) { -- cgit v1.2.3