/**
* _9p_create_socket: create the accept socket for 9P
*
* This function create the accept socket for the 9p dispatcher thread.
*
* @return socket fd or -1 if failed.
*
*/
int _9p_create_socket(void)
{
int sock = -1;
int one = 1;
int centvingt = 120;
int neuf = 9;
struct sockaddr_in6 sinaddr_tcp6;
struct netbuf netbuf_tcp6;
struct t_bind bindaddr_tcp6;
struct __rpc_sockinfo si_tcp6;
sock = socket(P_FAMILY, SOCK_STREAM, IPPROTO_TCP);
if (sock == -1)
goto bad_socket;
if ((setsockopt(sock,
SOL_SOCKET, SO_REUSEADDR,
&one, sizeof(one)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_NODELAY,
&one, sizeof(one)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPIDLE,
¢vingt, sizeof(centvingt)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPINTVL,
¢vingt, sizeof(centvingt)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPCNT,
&neuf, sizeof(neuf)) == -1))
goto bad_socket;
socket_setoptions(sock);
memset(&sinaddr_tcp6, 0, sizeof(sinaddr_tcp6));
sinaddr_tcp6.sin6_family = AF_INET6;
/* All the interfaces on the machine are used */
sinaddr_tcp6.sin6_addr = in6addr_any;
sinaddr_tcp6.sin6_port = htons(_9p_param._9p_tcp_port);
netbuf_tcp6.maxlen = sizeof(sinaddr_tcp6);
netbuf_tcp6.len = sizeof(sinaddr_tcp6);
netbuf_tcp6.buf = &sinaddr_tcp6;
bindaddr_tcp6.qlen = SOMAXCONN;
bindaddr_tcp6.addr = netbuf_tcp6;
if (!__rpc_fd2sockinfo(sock, &si_tcp6)) {
LogFatal(COMPONENT_DISPATCH,
"Cannot get 9p socket info for tcp6 socket errno=%d (%s)",
errno, strerror(errno));
return -1;
}
if (bind(sock,
(struct sockaddr *)bindaddr_tcp6.addr.buf,
(socklen_t) si_tcp6.si_alen) == -1) {
LogFatal(COMPONENT_DISPATCH,
"Cannot bind 9p tcp6 socket, error %d (%s)", errno,
strerror(errno));
return -1;
}
if (listen(sock, 20) == -1) {
LogFatal(COMPONENT_DISPATCH,
"Cannot bind 9p tcp6 socket, error %d (%s)", errno,
strerror(errno));
return -1;
}
return sock;
bad_socket:
LogFatal(COMPONENT_9P_DISPATCH,
"Bad socket option 9p, error %d (%s)", errno,
strerror(errno));
return -1;
} /* _9p_create_socket */
/**
* _9p_create_socket_V4 : create the socket and bind for 9P using
* the available V4 interfaces on the host. This is not the default
* for ganesha. We expect _9p_create_socket_V6 to be called first
* and succeed. Only when the V6 function returns failure is this
* function expected to be called. See _9p_create_socket().
*
* @return socket fd or -1 in case of failure
*
*/
static int _9p_create_socket_V4(void)
{
int sock = -1;
int one = 1;
int centvingt = 120;
int neuf = 9;
struct netbuf netbuf_tcp;
struct t_bind bindaddr_tcp;
struct __rpc_sockinfo si_tcp;
struct sockaddr_in sinaddr_tcp;
sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sock == -1) {
LogWarn(COMPONENT_9P_DISPATCH,
"Error creating 9p V4 socket, error %d(%s)",
errno, strerror(errno));
return -1;
}
if ((setsockopt(sock,
SOL_SOCKET, SO_REUSEADDR,
&one, sizeof(one)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_NODELAY,
&one, sizeof(one)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPIDLE,
¢vingt, sizeof(centvingt)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPINTVL,
¢vingt, sizeof(centvingt)) == -1) ||
(setsockopt(sock,
IPPROTO_TCP, TCP_KEEPCNT,
&neuf, sizeof(neuf)) == -1)) {
LogWarn(COMPONENT_9P_DISPATCH,
"Error setting 9p V4 socket option, error %d(%s)",
errno, strerror(errno));
goto err;
}
socket_setoptions(sock);
memset(&sinaddr_tcp, 0, sizeof(sinaddr_tcp));
sinaddr_tcp.sin_family = AF_INET;
/* All the interfaces on the machine are used */
sinaddr_tcp.sin_addr.s_addr = htonl(INADDR_ANY);
sinaddr_tcp.sin_port = htons(_9p_param._9p_tcp_port);
netbuf_tcp.maxlen = sizeof(sinaddr_tcp);
netbuf_tcp.len = sizeof(sinaddr_tcp);
netbuf_tcp.buf = &sinaddr_tcp;
bindaddr_tcp.qlen = SOMAXCONN;
bindaddr_tcp.addr = netbuf_tcp;
if (!__rpc_fd2sockinfo(sock, &si_tcp)) {
LogWarn(COMPONENT_9P_DISPATCH,
"Cannot get 9p socket info for tcp V4 socket error %d(%s)",
errno, strerror(errno));
goto err;
}
if (bind(sock,
(struct sockaddr *)bindaddr_tcp.addr.buf,
(socklen_t) si_tcp.si_alen) == -1) {
LogWarn(COMPONENT_9P_DISPATCH,
"Cannot bind 9p tcp V4 socket, error %d(%s)", errno,
strerror(errno));
goto err;
}
if (listen(sock, 20) == -1) {
LogWarn(COMPONENT_9P_DISPATCH,
"Cannot bind 9p tcp V4 socket, error %d(%s)", errno,
strerror(errno));
goto err;
}
return sock;
err:
close(sock);
return -1;
}
