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authorMarc-André Lureau <marcandre.lureau@redhat.com>2019-02-12 17:25:21 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2019-03-07 12:46:31 +0100
commit657aab83d99a6e116a13e1c586acc3b7320ecde3 (patch)
tree2ceec478104c97b9270e03280c9691610aa47884 /src/util.h
parente64cae22042c39bfd06efed9178b25d20d074ea3 (diff)
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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 'src/util.h')
-rw-r--r--src/util.h176
1 files changed, 176 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..0686d48
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,176 @@
+/*
+ * 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