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bind9/lib/isc/tests/uv_wrap.h
T
Ondřej SurýandEvan Hunt f3635bcc14 Use #pragma once as header guards 
Unify the header guard style and replace the inconsistent include guards
with #pragma once.

The #pragma once is widely and very well supported in all compilers that
BIND 9 supports, and #pragma once was already in use in several new or
refactored headers.

Using simpler method will also allow us to automate header guard checks
as this is simpler to programatically check.

For reference, here are the reasons for the change taken from
Wikipedia[1]:

> In the C and C++ programming languages, #pragma once is a non-standard
> but widely supported preprocessor directive designed to cause the
> current source file to be included only once in a single compilation.
>
> Thus, #pragma once serves the same purpose as include guards, but with
> several advantages, including: less code, avoidance of name clashes,
> and sometimes improvement in compilation speed. On the other hand,
> #pragma once is not necessarily available in all compilers and its
> implementation is tricky and might not always be reliable.

1. https://en.wikipedia.org/wiki/Pragma_once
2021-10-13 00:49:15 -07:00

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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
#if HAVE_CMOCKA
#include <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <uv.h>
#include <isc/atomic.h>
#define UNIT_TESTING
#include <cmocka.h>
#include "../netmgr/uv-compat.h"
/* uv_udp_t */
int
__wrap_uv_udp_open(uv_udp_t *handle, uv_os_sock_t sock);
int
__wrap_uv_udp_bind(uv_udp_t *handle, const struct sockaddr *addr,
unsigned int flags);
#if UV_VERSION_HEX >= UV_VERSION(1, 27, 0)
int
__wrap_uv_udp_connect(uv_udp_t *handle, const struct sockaddr *addr);
int
__wrap_uv_udp_getpeername(const uv_udp_t *handle, struct sockaddr *name,
int *namelen);
#endif /* UV_VERSION_HEX >= UV_VERSION(1, 27, 0) */
int
__wrap_uv_udp_getsockname(const uv_udp_t *handle, struct sockaddr *name,
int *namelen);
int
__wrap_uv_udp_send(uv_udp_send_t *req, uv_udp_t *handle, const uv_buf_t bufs[],
unsigned int nbufs, const struct sockaddr *addr,
uv_udp_send_cb send_cb);
int
__wrap_uv_udp_recv_start(uv_udp_t *handle, uv_alloc_cb alloc_cb,
uv_udp_recv_cb recv_cb);
int
__wrap_uv_udp_recv_stop(uv_udp_t *handle);
/* uv_tcp_t */
int
__wrap_uv_tcp_open(uv_tcp_t *handle, uv_os_sock_t sock);
int
__wrap_uv_tcp_bind(uv_tcp_t *handle, const struct sockaddr *addr,
unsigned int flags);
int
__wrap_uv_tcp_getsockname(const uv_tcp_t *handle, struct sockaddr *name,
int *namelen);
int
__wrap_uv_tcp_getpeername(const uv_tcp_t *handle, struct sockaddr *name,
int *namelen);
int
__wrap_uv_tcp_connect(uv_connect_t *req, uv_tcp_t *handle,
const struct sockaddr *addr, uv_connect_cb cb);
/* uv_stream_t */
int
__wrap_uv_listen(uv_stream_t *stream, int backlog, uv_connection_cb cb);
int
__wrap_uv_accept(uv_stream_t *server, uv_stream_t *client);
/* uv_handle_t */
int
__wrap_uv_send_buffer_size(uv_handle_t *handle, int *value);
int
__wrap_uv_recv_buffer_size(uv_handle_t *handle, int *value);
int
__wrap_uv_fileno(const uv_handle_t *handle, uv_os_fd_t *fd);
/* uv_timer_t */
/* FIXME */
/*
* uv_timer_init
* uv_timer_start
*/
static atomic_int __state_uv_udp_open = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_open(uv_udp_t *handle, uv_os_sock_t sock) {
if (atomic_load(&__state_uv_udp_open) == 0) {
return (uv_udp_open(handle, sock));
}
return (atomic_load(&__state_uv_udp_open));
}
static atomic_int __state_uv_udp_bind = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_bind(uv_udp_t *handle, const struct sockaddr *addr,
unsigned int flags) {
if (atomic_load(&__state_uv_udp_bind) == 0) {
return (uv_udp_bind(handle, addr, flags));
}
return (atomic_load(&__state_uv_udp_bind));
}
static atomic_int __state_uv_udp_connect
__attribute__((unused)) = ATOMIC_VAR_INIT(0);
#if UV_VERSION_HEX >= UV_VERSION(1, 27, 0)
int
__wrap_uv_udp_connect(uv_udp_t *handle, const struct sockaddr *addr) {
if (atomic_load(&__state_uv_udp_connect) == 0) {
return (uv_udp_connect(handle, addr));
}
return (atomic_load(&__state_uv_udp_connect));
}
#endif /* UV_VERSION_HEX >= UV_VERSION(1, 27, 0) */
static atomic_int __state_uv_udp_getpeername
__attribute__((unused)) = ATOMIC_VAR_INIT(0);
#if UV_VERSION_HEX >= UV_VERSION(1, 27, 0)
int
__wrap_uv_udp_getpeername(const uv_udp_t *handle, struct sockaddr *name,
int *namelen) {
if (atomic_load(&__state_uv_udp_getpeername) == 0) {
return (uv_udp_getpeername(handle, name, namelen));
}
return (atomic_load(&__state_uv_udp_getpeername));
}
#endif /* UV_VERSION_HEX >= UV_VERSION(1, 27, 0) */
static atomic_int __state_uv_udp_getsockname = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_getsockname(const uv_udp_t *handle, struct sockaddr *name,
int *namelen) {
if (atomic_load(&__state_uv_udp_getsockname) == 0) {
return (uv_udp_getsockname(handle, name, namelen));
}
return (atomic_load(&__state_uv_udp_getsockname));
}
static atomic_int __state_uv_udp_send = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_send(uv_udp_send_t *req, uv_udp_t *handle, const uv_buf_t bufs[],
unsigned int nbufs, const struct sockaddr *addr,
uv_udp_send_cb send_cb) {
if (atomic_load(&__state_uv_udp_send) == 0) {
return (uv_udp_send(req, handle, bufs, nbufs, addr, send_cb));
}
return (atomic_load(&__state_uv_udp_send));
}
static atomic_int __state_uv_udp_recv_start = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_recv_start(uv_udp_t *handle, uv_alloc_cb alloc_cb,
uv_udp_recv_cb recv_cb) {
if (atomic_load(&__state_uv_udp_recv_start) == 0) {
return (uv_udp_recv_start(handle, alloc_cb, recv_cb));
}
return (atomic_load(&__state_uv_udp_recv_start));
}
static atomic_int __state_uv_udp_recv_stop = ATOMIC_VAR_INIT(0);
int
__wrap_uv_udp_recv_stop(uv_udp_t *handle) {
if (atomic_load(&__state_uv_udp_recv_stop) == 0) {
return (uv_udp_recv_stop(handle));
}
return (atomic_load(&__state_uv_udp_recv_stop));
}
static atomic_int __state_uv_tcp_open = ATOMIC_VAR_INIT(0);
int
__wrap_uv_tcp_open(uv_tcp_t *handle, uv_os_sock_t sock) {
if (atomic_load(&__state_uv_tcp_open) == 0) {
return (uv_tcp_open(handle, sock));
}
return (atomic_load(&__state_uv_tcp_open));
}
static atomic_int __state_uv_tcp_bind = ATOMIC_VAR_INIT(0);
int
__wrap_uv_tcp_bind(uv_tcp_t *handle, const struct sockaddr *addr,
unsigned int flags) {
if (atomic_load(&__state_uv_tcp_bind) == 0) {
return (uv_tcp_bind(handle, addr, flags));
}
return (atomic_load(&__state_uv_tcp_bind));
}
static atomic_int __state_uv_tcp_getsockname = ATOMIC_VAR_INIT(0);
int
__wrap_uv_tcp_getsockname(const uv_tcp_t *handle, struct sockaddr *name,
int *namelen) {
if (atomic_load(&__state_uv_tcp_getsockname) == 0) {
return (uv_tcp_getsockname(handle, name, namelen));
}
return (atomic_load(&__state_uv_tcp_getsockname));
}
static atomic_int __state_uv_tcp_getpeername = ATOMIC_VAR_INIT(0);
int
__wrap_uv_tcp_getpeername(const uv_tcp_t *handle, struct sockaddr *name,
int *namelen) {
if (atomic_load(&__state_uv_tcp_getpeername) == 0) {
return (uv_tcp_getpeername(handle, name, namelen));
}
return (atomic_load(&__state_uv_tcp_getpeername));
}
static atomic_int __state_uv_tcp_connect = ATOMIC_VAR_INIT(0);
int
__wrap_uv_tcp_connect(uv_connect_t *req, uv_tcp_t *handle,
const struct sockaddr *addr, uv_connect_cb cb) {
if (atomic_load(&__state_uv_tcp_connect) == 0) {
return (uv_tcp_connect(req, handle, addr, cb));
}
return (atomic_load(&__state_uv_tcp_connect));
}
static atomic_int __state_uv_listen = ATOMIC_VAR_INIT(0);
int
__wrap_uv_listen(uv_stream_t *stream, int backlog, uv_connection_cb cb) {
if (atomic_load(&__state_uv_listen) == 0) {
return (uv_listen(stream, backlog, cb));
}
return (atomic_load(&__state_uv_listen));
}
static atomic_int __state_uv_accept = ATOMIC_VAR_INIT(0);
int
__wrap_uv_accept(uv_stream_t *server, uv_stream_t *client) {
if (atomic_load(&__state_uv_accept) == 0) {
return (uv_accept(server, client));
}
return (atomic_load(&__state_uv_accept));
}
static atomic_int __state_uv_send_buffer_size = ATOMIC_VAR_INIT(0);
int
__wrap_uv_send_buffer_size(uv_handle_t *handle, int *value) {
if (atomic_load(&__state_uv_send_buffer_size) == 0) {
return (uv_send_buffer_size(handle, value));
}
return (atomic_load(&__state_uv_send_buffer_size));
}
static atomic_int __state_uv_recv_buffer_size = ATOMIC_VAR_INIT(0);
int
__wrap_uv_recv_buffer_size(uv_handle_t *handle, int *value) {
if (atomic_load(&__state_uv_recv_buffer_size) == 0) {
return (uv_recv_buffer_size(handle, value));
}
return (atomic_load(&__state_uv_recv_buffer_size));
}
static atomic_int __state_uv_fileno = ATOMIC_VAR_INIT(0);
int
__wrap_uv_fileno(const uv_handle_t *handle, uv_os_fd_t *fd) {
if (atomic_load(&__state_uv_fileno) == 0) {
return (uv_fileno(handle, fd));
}
return (atomic_load(&__state_uv_fileno));
}
#define uv_udp_open(...) __wrap_uv_udp_open(__VA_ARGS__)
#define uv_udp_bind(...) __wrap_uv_udp_bind(__VA_ARGS__)
#if UV_VERSION_HEX >= UV_VERSION(1, 27, 0)
#define uv_udp_connect(...) __wrap_uv_udp_connect(__VA_ARGS__)
#define uv_udp_getpeername(...) __wrap_uv_udp_getpeername(__VA_ARGS__)
#endif /* UV_VERSION_HEX >= UV_VERSION(1, 27, 0) */
#define uv_udp_getsockname(...) __wrap_uv_udp_getsockname(__VA_ARGS__)
#define uv_udp_send(...) __wrap_uv_udp_send(__VA_ARGS__)
#define uv_udp_recv_start(...) __wrap_uv_udp_recv_start(__VA_ARGS__)
#define uv_udp_recv_stop(...) __wrap_uv_udp_recv_stop(__VA_ARGS__)
#define uv_tcp_open(...) __wrap_uv_tcp_open(__VA_ARGS__)
#define uv_tcp_bind(...) __wrap_uv_tcp_bind(__VA_ARGS__)
#define uv_tcp_getsockname(...) __wrap_uv_tcp_getsockname(__VA_ARGS__)
#define uv_tcp_getpeername(...) __wrap_uv_tcp_getpeername(__VA_ARGS__)
#define uv_tcp_connect(...) __wrap_uv_tcp_connect(__VA_ARGS__)
#define uv_listen(...) __wrap_uv_listen(__VA_ARGS__)
#define uv_accept(...) __wrap_uv_accept(__VA_ARGS__)
#define uv_send_buffer_size(...) __wrap_uv_send_buffer_size(__VA_ARGS__)
#define uv_recv_buffer_size(...) __wrap_uv_recv_buffer_size(__VA_ARGS__)
#define uv_fileno(...) __wrap_uv_fileno(__VA_ARGS__)
#define RESET_RETURN \
{ \
atomic_store(&__state_uv_udp_open, 0); \
atomic_store(&__state_uv_udp_bind, 0); \
atomic_store(&__state_uv_udp_connect, 0); \
atomic_store(&__state_uv_udp_getpeername, 0); \
atomic_store(&__state_uv_udp_getsockname, 0); \
atomic_store(&__state_uv_udp_send, 0); \
atomic_store(&__state_uv_udp_recv_start, 0); \
atomic_store(&__state_uv_udp_recv_stop, 0); \
atomic_store(&__state_uv_tcp_open, 0); \
atomic_store(&__state_uv_tcp_bind, 0); \
atomic_store(&__state_uv_tcp_getpeername, 0); \
atomic_store(&__state_uv_tcp_getsockname, 0); \
atomic_store(&__state_uv_tcp_connect, 0); \
atomic_store(&__state_uv_listen, 0); \
atomic_store(&__state_uv_accept, 0); \
atomic_store(&__state_uv_send_buffer_size, 0); \
atomic_store(&__state_uv_recv_buffer_size, 0); \
atomic_store(&__state_uv_fileno, 0); \
}
#define WILL_RETURN(func, value) atomic_store(&__state_##func, value)
#endif /* HAVE_CMOCKA */
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