1/*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2015 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25#ifndef SHRPX_WORKER_PROCESS_H
26#define SHRPX_WORKER_PROCESS_H
27
28#include "shrpx.h"
29
30#include <vector>
31#include <array>
32
33#include "shrpx_connection_handler.h"
34#ifdef ENABLE_HTTP3
35#  include "shrpx_quic.h"
36#endif // ENABLE_HTTP3
37
38namespace shrpx {
39
40class ConnectionHandler;
41
42struct WorkerProcessConfig {
43  // IPC socket to read event from main process
44  int ipc_fd;
45  // IPC socket to tell that a worker process is ready for service.
46  int ready_ipc_fd;
47  // IPv4 or UNIX domain socket, or -1 if not used
48  int server_fd;
49  // IPv6 socket, or -1 if not used
50  int server_fd6;
51#ifdef ENABLE_HTTP3
52  // CID prefixes for the new worker process.
53  std::vector<std::array<uint8_t, SHRPX_QUIC_CID_PREFIXLEN>> cid_prefixes;
54  // IPC socket to read forwarded QUIC UDP datagram from the current
55  // worker process.
56  int quic_ipc_fd;
57  // Lingering worker processes which were created before this worker
58  // process to forward QUIC UDP datagram during reload.
59  std::vector<QUICLingeringWorkerProcess> quic_lingering_worker_processes;
60#endif // ENABLE_HTTP3
61};
62
63int worker_process_event_loop(WorkerProcessConfig *wpconf);
64
65} // namespace shrpx
66
67#endif // SHRPX_WORKER_PROCESS_H
68