X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=lib%2Fsocket-util.h;h=c3c12241545eb8448ed88fd129fb795cb51b6bf5;hb=HEAD;hp=e2e0d9a24a02a034f71f235b61b7b46d6dff1810;hpb=a0505c49dd98b393f4c47a423f325008443eb1ee;p=cascardo%2Fovs.git diff --git a/lib/socket-util.h b/lib/socket-util.h index e2e0d9a24..c3c122415 100644 --- a/lib/socket-util.h +++ b/lib/socket-util.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,44 +17,42 @@ #ifndef SOCKET_UTIL_H #define SOCKET_UTIL_H 1 +#include #include #include #include #include #include #include "openvswitch/types.h" +#include #include int set_nonblocking(int fd); void xset_nonblocking(int fd); +void setsockopt_tcp_nodelay(int fd); +int set_dscp(int fd, int family, uint8_t dscp); -int get_max_fds(void); - +bool addr_is_ipv6(const char *host_name); int lookup_ip(const char *host_name, struct in_addr *address); int lookup_ipv6(const char *host_name, struct in6_addr *address); int lookup_hostname(const char *host_name, struct in_addr *); -int get_socket_error(int sock); int get_socket_rcvbuf(int sock); int check_connection_completion(int fd); -int drain_rcvbuf(int fd); void drain_fd(int fd, size_t n_packets); -int make_unix_socket(int style, bool nonblock, - const char *bind_path, const char *connect_path); -int get_unix_name_len(socklen_t sun_len); ovs_be32 guess_netmask(ovs_be32 ip); -int get_null_fd(void); bool inet_parse_active(const char *target, uint16_t default_port, - struct sockaddr_in *sinp); + struct sockaddr_storage *ssp); int inet_open_active(int style, const char *target, uint16_t default_port, - struct sockaddr_in *sinp, int *fdp, uint8_t dscp); + struct sockaddr_storage *ssp, int *fdp, uint8_t dscp); bool inet_parse_passive(const char *target, int default_port, - struct sockaddr_in *sinp); + struct sockaddr_storage *ssp); int inet_open_passive(int style, const char *target, int default_port, - struct sockaddr_in *sinp, uint8_t dscp); + struct sockaddr_storage *ssp, uint8_t dscp, + bool kernel_print_port); int read_fully(int fd, void *, size_t, size_t *bytes_read); int write_fully(int fd, const void *, size_t, size_t *bytes_written); @@ -62,8 +60,6 @@ int write_fully(int fd, const void *, size_t, size_t *bytes_written); int fsync_parent_dir(const char *file_name); int get_mtime(const char *file_name, struct timespec *mtime); -void xpipe(int fds[2]); - char *describe_fd(int fd); /* Default value of dscp bits for connection between controller and manager. @@ -71,4 +67,69 @@ char *describe_fd(int fd); * in is used. */ #define DSCP_DEFAULT (IPTOS_PREC_INTERNETCONTROL >> 2) +/* Functions for working with sockaddr_storage that might contain an IPv4 or + * IPv6 address. */ +uint16_t ss_get_port(const struct sockaddr_storage *); +#define SS_NTOP_BUFSIZE (1 + INET6_ADDRSTRLEN + 1) +char *ss_format_address(const struct sockaddr_storage *, + char *buf, size_t bufsize); +size_t ss_length(const struct sockaddr_storage *); +const char *sock_strerror(int error); + +#ifndef _WIN32 +void xpipe(int fds[2]); +void xpipe_nonblocking(int fds[2]); + +int drain_rcvbuf(int fd); + +int make_unix_socket(int style, bool nonblock, + const char *bind_path, const char *connect_path); +int get_unix_name_len(socklen_t sun_len); + +/* Helpers for calling ioctl() on an AF_INET socket. */ +struct ifreq; +int af_inet_ioctl(unsigned long int command, const void *arg); +int af_inet_ifreq_ioctl(const char *name, struct ifreq *, + unsigned long int cmd, const char *cmd_name); + +#define closesocket close +#endif + +#ifdef _WIN32 +static inline int make_unix_socket(int style, bool nonblock, + const char *bind_path, + const char *connect_path) +{ + return -EINVAL; +} + +/* Windows defines the 'optval' argument as char * instead of void *. */ +#define setsockopt(sock, level, optname, optval, optlen) \ + rpl_setsockopt(sock, level, optname, optval, optlen) +static inline int rpl_setsockopt(int sock, int level, int optname, + const void *optval, socklen_t optlen) +{ + return (setsockopt)(sock, level, optname, optval, optlen); +} + +#define getsockopt(sock, level, optname, optval, optlen) \ + rpl_getsockopt(sock, level, optname, optval, optlen) +static inline int rpl_getsockopt(int sock, int level, int optname, + void *optval, socklen_t *optlen) +{ + return (getsockopt)(sock, level, optname, optval, optlen); +} +#endif + +/* In Windows platform, errno is not set for socket calls. + * The last error has to be gotten from WSAGetLastError(). */ +static inline int sock_errno(void) +{ +#ifdef _WIN32 + return WSAGetLastError(); +#else + return errno; +#endif +} + #endif /* socket-util.h */