diff options
Diffstat (limited to '')
-rw-r--r-- | src/knot/server/tcp-handler.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/knot/server/tcp-handler.h b/src/knot/server/tcp-handler.h new file mode 100644 index 0000000..b60ce8f --- /dev/null +++ b/src/knot/server/tcp-handler.h @@ -0,0 +1,43 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +/*! + * \brief TCP sockets threading model. + * + * The master socket distributes incoming connections among + * the worker threads ("buckets"). Each threads processes it's own + * set of sockets, and eliminates mutual exclusion problem by doing so. + */ + +#pragma once + +#include "knot/server/dthreads.h" + +#define TCP_BACKLOG_SIZE 10 /*!< TCP listen backlog size. */ + +/*! + * \brief TCP handler thread runnable. + * + * Listens to both bound TCP sockets for client connections and + * serves TCP clients. This runnable is designed to be used as coherent + * and implements cancellation point. + * + * \param thread Associated thread from DThreads unit. + * + * \retval KNOT_EOK on success. + * \retval KNOT_EINVAL invalid parameters. + */ +int tcp_master(dthread_t *thread); |