diff options
author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2019-02-12 17:25:21 +0100 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2019-03-07 12:46:31 +0100 |
commit | c2d63650d962612cfa1b21302782d4cd12142c74 (patch) | |
tree | 13f97c3ecbf6a6588f579e9f7c2ab9cb5f3ce5ec /slirp/src/util.h | |
parent | 5a4af0d4ee6084fdfde0125c45181fa0e6f48a17 (diff) |
slirp: move sources to src/ subdirectory
Prepare for making slirp/ a standalone project.
Remove some useless includes while at it.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190212162524.31504-5-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Diffstat (limited to 'slirp/src/util.h')
-rw-r--r-- | slirp/src/util.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/slirp/src/util.h b/slirp/src/util.h new file mode 100644 index 0000000000..e94ee4e7f1 --- /dev/null +++ b/slirp/src/util.h @@ -0,0 +1,174 @@ +/* + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2010-2019 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef UTIL_H_ +#define UTIL_H_ + +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <inttypes.h> + +#ifdef _WIN32 +#include <winsock2.h> +#include <windows.h> +#else +#include <sys/socket.h> +#include <netinet/tcp.h> +#include <netinet/in.h> +#endif + +#if defined(_WIN32) +# define SLIRP_PACKED __attribute__((gcc_struct, packed)) +#else +# define SLIRP_PACKED __attribute__((packed)) +#endif + +#ifndef DIV_ROUND_UP +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#endif + +#ifndef container_of +#define container_of(ptr, type, member) __extension__ ({ \ + void *__mptr = (void *)(ptr); \ + ((type *)(__mptr - offsetof(type, member))); }) +#endif + +#if defined(_WIN32) /* CONFIG_IOVEC */ +# if !defined(IOV_MAX) /* XXX: to avoid duplicate with QEMU osdep.h */ +struct iovec { + void *iov_base; + size_t iov_len; +}; +# endif +#else +#include <sys/uio.h> +#endif + +#define SCALE_MS 1000000 + +#define ETH_ALEN 6 +#define ETH_HLEN 14 +#define ETH_P_IP (0x0800) /* Internet Protocol packet */ +#define ETH_P_ARP (0x0806) /* Address Resolution packet */ +#define ETH_P_IPV6 (0x86dd) +#define ETH_P_VLAN (0x8100) +#define ETH_P_DVLAN (0x88a8) +#define ETH_P_NCSI (0x88f8) +#define ETH_P_UNKNOWN (0xffff) + +/* FIXME: remove me when made standalone */ +#ifdef _WIN32 +#undef accept +#undef bind +#undef closesocket +#undef connect +#undef getpeername +#undef getsockname +#undef getsockopt +#undef ioctlsocket +#undef listen +#undef recv +#undef recvfrom +#undef send +#undef sendto +#undef setsockopt +#undef shutdown +#undef socket +#endif + +#ifdef _WIN32 +#define connect slirp_connect_wrap +int slirp_connect_wrap(int fd, const struct sockaddr *addr, int addrlen); +#define listen slirp_listen_wrap +int slirp_listen_wrap(int fd, int backlog); +#define bind slirp_bind_wrap +int slirp_bind_wrap(int fd, const struct sockaddr *addr, int addrlen); +#define socket slirp_socket_wrap +int slirp_socket_wrap(int domain, int type, int protocol); +#define accept slirp_accept_wrap +int slirp_accept_wrap(int fd, struct sockaddr *addr, int *addrlen); +#define shutdown slirp_shutdown_wrap +int slirp_shutdown_wrap(int fd, int how); +#define getpeername slirp_getpeername_wrap +int slirp_getpeername_wrap(int fd, struct sockaddr *addr, int *addrlen); +#define getsockname slirp_getsockname_wrap +int slirp_getsockname_wrap(int fd, struct sockaddr *addr, int *addrlen); +#define send slirp_send_wrap +ssize_t slirp_send_wrap(int fd, const void *buf, size_t len, int flags); +#define sendto slirp_sendto_wrap +ssize_t slirp_sendto_wrap(int fd, const void *buf, size_t len, int flags, + const struct sockaddr *dest_addr, int addrlen); +#define recv slirp_recv_wrap +ssize_t slirp_recv_wrap(int fd, void *buf, size_t len, int flags); +#define recvfrom slirp_recvfrom_wrap +ssize_t slirp_recvfrom_wrap(int fd, void *buf, size_t len, int flags, + struct sockaddr *src_addr, int *addrlen); +#define closesocket slirp_closesocket_wrap +int slirp_closesocket_wrap(int fd); +#define ioctlsocket slirp_ioctlsocket_wrap +int slirp_ioctlsocket_wrap(int fd, int req, void *val); +#define getsockopt slirp_getsockopt_wrap +int slirp_getsockopt_wrap(int sockfd, int level, int optname, + void *optval, int *optlen); +#define setsockopt slirp_setsockopt_wrap +int slirp_setsockopt_wrap(int sockfd, int level, int optname, + const void *optval, int optlen); +#define inet_aton slirp_inet_aton +int slirp_inet_aton(const char *cp, struct in_addr *ia); +#else +#define closesocket(s) close(s) +#define ioctlsocket(s, r, v) ioctl(s, r, v) +#endif + +int slirp_socket(int domain, int type, int protocol); +void slirp_set_nonblock(int fd); + +static inline int slirp_socket_set_nodelay(int fd) +{ + int v = 1; + return setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v)); +} + +static inline int slirp_socket_set_fast_reuse(int fd) +{ +#ifndef _WIN32 + int v = 1; + return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v)); +#else + /* Enabling the reuse of an endpoint that was used by a socket still in + * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows + * fast reuse is the default and SO_REUSEADDR does strange things. So we + * don't have to do anything here. More info can be found at: + * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */ + return 0; +#endif +} + +void slirp_pstrcpy(char *buf, int buf_size, const char *str); + +#endif |