diff options
Diffstat (limited to 'sockets.h')
| -rw-r--r-- | sockets.h | 50 |
1 files changed, 50 insertions, 0 deletions
@@ -56,6 +56,9 @@ # ifndef ENOPROTOOPT # define ENOPROTOOPT 10042 # endif +# ifndef EAFNOSUPPORT +# define EAFNOSUPPORT 10047 +# endif # ifndef EADDRINUSE # define EADDRINUSE 10048 # endif @@ -212,6 +215,12 @@ int sock_address_to_inet( SockAddress* a, int *paddr_ip, int *paddr_port ); /* return a static string describing the address */ const char* sock_address_to_string( const SockAddress* a ); +static __inline__ +SocketFamily sock_address_get_family( const SockAddress* a ) +{ + return a->family; +} + /* return the port number of a given socket address, or -1 if it's a Unix one */ int sock_address_get_port( const SockAddress* a ); @@ -241,6 +250,40 @@ int sock_address_init_resolve( SockAddress* a, uint16_t port, int preferIn6 ); +int sock_address_get_numeric_info( SockAddress* a, + char* host, + size_t hostlen, + char* serv, + size_t servlen ); + +/* Support for listing all socket addresses of a given host */ +enum { + SOCKET_LIST_PASSIVE = (1 << 0), + SOCKET_LIST_FORCE_INET = (1 << 1), + SOCKET_LIST_FORCE_IN6 = (1 << 2) +}; + +/* resolve a host and service/port name into a list of SockAddress objects. + * returns a NULL-terminated array of SockAddress pointers on success, + * or NULL in case of failure, with the value of errno set to one of the + * following: + * + * EINVAL : invalid argument + * EHOSTDOWN : could not reach DNS server + * ENOENT : no host with this name, or host doesn't have IP address + * ENOMEM : not enough memory to perform request + * + * other system-level errors can also be set depending on the host sockets + * implementation. + * + * This function loops on EINTR so the caller shouldn't have to check for it. + */ +SockAddress** sock_address_list_create( const char* hostname, + const char* port, + unsigned flags ); + +void sock_address_list_free( SockAddress** list ); + /* create a new socket, return the socket number of -1 on failure */ int socket_create( SocketFamily family, SocketType type ); @@ -281,6 +324,12 @@ int socket_set_nodelay(int fd); /* send OOB data inline for this socket */ int socket_set_oobinline(int fd); +/* force listening to IPv6 interfaces only */ +int socket_set_ipv6only(int fd); + +/* retrieve last socket error code */ +int socket_get_error(int fd); + /* close an opened socket. Note that this is unlike the Unix 'close' because: * - it will properly shutdown the socket in the background * - it does not modify errno @@ -299,6 +348,7 @@ int socket_sendto( int fd, const void* buf, int buflen, const SockAddress* int socket_connect( int fd, const SockAddress* address ); int socket_bind( int fd, const SockAddress* address ); int socket_get_address( int fd, SockAddress* address ); +int socket_get_peer_address( int fd, SockAddress* address ); int socket_listen( int fd, int backlog ); int socket_accept( int fd, SockAddress* address ); |