2 * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #define SOCKET_UTIL_H 1
20 #include <sys/types.h>
21 #include <netinet/in.h>
24 int set_nonblocking(int fd);
25 int get_max_fds(void);
26 int lookup_ip(const char *host_name, struct in_addr *address);
27 int lookup_ipv6(const char *host_name, struct in6_addr *address);
28 int get_socket_error(int sock);
29 int check_connection_completion(int fd);
30 int drain_rcvbuf(int fd);
31 void drain_fd(int fd, size_t n_packets);
32 int make_unix_socket(int style, bool nonblock, bool passcred,
33 const char *bind_path, const char *connect_path);
34 int get_unix_name_len(socklen_t sun_len);
35 uint32_t guess_netmask(uint32_t ip);
36 int get_null_fd(void);
38 bool inet_parse_active(const char *target, uint16_t default_port,
39 struct sockaddr_in *sinp);
40 int inet_open_active(int style, const char *target, uint16_t default_port,
41 struct sockaddr_in *sinp, int *fdp);
42 int inet_open_passive(int style, const char *target, int default_port,
43 struct sockaddr_in *sinp);
45 int read_fully(int fd, void *, size_t, size_t *bytes_read);
46 int write_fully(int fd, const void *, size_t, size_t *bytes_written);
48 int fsync_parent_dir(const char *file_name);
49 int get_mtime(const char *file_name, struct timespec *mtime);
51 void xpipe(int fds[2]);
53 #endif /* socket-util.h */