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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:41:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:41:58 +0000 |
commit | 1852910ef0fd7393da62b88aee66ee092208748e (patch) | |
tree | ad3b659dbbe622b58a5bda4fe0b5e1d80eee9277 /daemon/io.h | |
parent | Initial commit. (diff) | |
download | knot-resolver-1852910ef0fd7393da62b88aee66ee092208748e.tar.xz knot-resolver-1852910ef0fd7393da62b88aee66ee092208748e.zip |
Adding upstream version 5.3.1.upstream/5.3.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'daemon/io.h')
-rw-r--r-- | daemon/io.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/daemon/io.h b/daemon/io.h new file mode 100644 index 0000000..ff9ba0b --- /dev/null +++ b/daemon/io.h @@ -0,0 +1,57 @@ +/* Copyright (C) 2014-2020 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include <lua.h> +#include <uv.h> +#include <libknot/packet/pkt.h> +#include <gnutls/gnutls.h> +#include "lib/generic/array.h" +#include "daemon/worker.h" +#include "daemon/engine.h" + +struct tls_ctx; +struct tls_client_ctx; +struct io_stream_data; + +/** Bind address into a file-descriptor (only, no libuv). type is e.g. SOCK_DGRAM */ +int io_bind(const struct sockaddr *addr, int type, const endpoint_flags_t *flags); +/** Initialize a UDP handle and start listening. */ +int io_listen_udp(uv_loop_t *loop, uv_udp_t *handle, int fd); +/** Initialize a TCP handle and start listening. */ +int io_listen_tcp(uv_loop_t *loop, uv_tcp_t *handle, int fd, int tcp_backlog, bool has_tls, bool has_http); +/** Initialize a pipe handle and start listening. */ +int io_listen_pipe(uv_loop_t *loop, uv_pipe_t *handle, int fd); +/** Initialize a poll handle (ep->handle) and start listening over AF_XDP on ifname. + * Sets ep->session. */ +int io_listen_xdp(uv_loop_t *loop, struct endpoint *ep, const char *ifname); + +/** Control socket / TTY - related functions. */ +void io_tty_process_input(uv_stream_t *stream, ssize_t nread, const uv_buf_t *buf); +void io_tty_alloc(uv_handle_t *handle, size_t suggested, uv_buf_t *buf); +void io_tty_accept(uv_stream_t *master, int status); +struct io_stream_data *io_tty_alloc_data(void); + +void tcp_timeout_trigger(uv_timer_t *timer); + +/** Initialize the handle, incl. ->data = struct session * instance. + * \param type = SOCK_* + * \param family = AF_* + * \param has_tls has meanings only when type is SOCK_STREAM */ +int io_create(uv_loop_t *loop, uv_handle_t *handle, int type, + unsigned family, bool has_tls, bool has_http); +void io_free(uv_handle_t *handle); + +int io_start_read(uv_handle_t *handle); +int io_stop_read(uv_handle_t *handle); + +/** When uv_handle_t::type == UV_POLL, ::data points to this malloc-ed helper. + * (Other cases store a direct struct session pointer in ::data.) */ +typedef struct { + struct knot_xdp_socket *socket; + struct session *session; + uv_idle_t tx_waker; +} xdp_handle_data_t; + |