/*
- * support/nfs/rpcmisc.c
+ * Miscellaneous functions for RPC service startup and shutdown.
*
- * Miscellaneous functions for RPC startup and shutdown.
* This code is partially snarfed from rpcgen -s tcp -s udp,
- * partly written by Mark Shand, Donald Becker, and Rick
+ * partly written by Mark Shand, Donald Becker, and Rick
* Sladkey. It was tweaked slightly by Olaf Kirch to be
* usable by both unfsd and mountd.
*
#define socklen_t int
#endif
-static void closedown(int sig);
-static int makesock(int port, int proto);
-
#define _RPCSVC_CLOSEDOWN 120
int _rpcpmstart = 0;
int _rpcfdtype = 0;
int _rpcsvcdirty = 0;
+static void
+closedown(int sig)
+{
+ (void) signal(sig, closedown);
+
+ if (_rpcsvcdirty == 0) {
+ static int size;
+ int i, openfd;
+
+ if (_rpcfdtype == SOCK_DGRAM)
+ exit(0);
+
+ if (size == 0)
+ size = getdtablesize();
+
+ for (i = 0, openfd = 0; i < size && openfd < 2; i++)
+ if (FD_ISSET(i, &svc_fdset))
+ openfd++;
+ if (openfd <= 1)
+ exit(0);
+ }
+
+ (void) alarm(_RPCSVC_CLOSEDOWN);
+}
+
+/*
+ * Create listener socket for a given port
+ *
+ * Return an open network socket on success; otherwise return -1
+ * if some error occurs.
+ */
+static int
+makesock(int port, int proto)
+{
+ struct sockaddr_in sin;
+ int sock, sock_type, val;
+
+ sock_type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
+ sock = socket(AF_INET, sock_type, proto);
+ if (sock < 0) {
+ xlog(L_FATAL, "Could not make a socket: %s",
+ strerror(errno));
+ return -1;
+ }
+ memset((char *) &sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = htonl(INADDR_ANY);
+ sin.sin_port = htons(port);
+
+ val = 1;
+ if (proto == IPPROTO_TCP)
+ if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+ &val, sizeof(val)) < 0)
+ xlog(L_ERROR, "setsockopt failed: %s",
+ strerror(errno));
+
+ if (bind(sock, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
+ xlog(L_FATAL, "Could not bind name to socket: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ return sock;
+}
+
void
rpc_init(char *name, int prog, int vers,
void (*dispatch)(struct svc_req *, register SVCXPRT *),
sock = 0;
if (getsockname(0, (struct sockaddr *) &saddr, &asize) == 0
&& saddr.sin_family == AF_INET) {
- socklen_t ssize = sizeof (int);
+ socklen_t ssize = sizeof(int);
int fdtype = 0;
if (getsockopt(0, SOL_SOCKET, SO_TYPE,
(char *)&fdtype, &ssize) == -1)
if ((_rpcfdtype == 0) || (_rpcfdtype == SOCK_DGRAM)) {
static SVCXPRT *last_transp = NULL;
-
+
if (_rpcpmstart == 0) {
if (last_transp
&& (!defport || defport == last_transp->xp_port)) {
sock = makesock(defport, IPPROTO_UDP);
}
if (sock == RPC_ANYSOCK)
- sock = svcudp_socket (prog, 1);
+ sock = svcudp_socket (prog);
transp = svcudp_create(sock);
if (transp == NULL) {
xlog(L_FATAL, "cannot create udp service.");
}
if (_rpcpmstart) {
- signal (SIGALRM, closedown);
- alarm (_RPCSVC_CLOSEDOWN);
- }
-}
-
-static void closedown(sig)
-int sig;
-{
- (void) signal(sig, closedown);
- if (_rpcsvcdirty == 0) {
- static int size;
- int i, openfd;
-
- if (_rpcfdtype == SOCK_DGRAM)
- exit(0);
- if (size == 0) {
- size = getdtablesize();
- }
- for (i = 0, openfd = 0; i < size && openfd < 2; i++)
- if (FD_ISSET(i, &svc_fdset))
- openfd++;
- if (openfd <= 1)
- exit(0);
- }
- (void) alarm(_RPCSVC_CLOSEDOWN);
-}
-
-/*
- * Create listener socket for a given port
- *
- * Return an open network socket on success; otherwise return -1
- * if some error occurs.
- */
-static int
-makesock(int port, int proto)
-{
- struct sockaddr_in sin;
- int sock, sock_type, val;
-
- sock_type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
- sock = socket(AF_INET, sock_type, proto);
- if (sock < 0) {
- xlog(L_FATAL, "Could not make a socket: %s",
- strerror(errno));
- return -1;
- }
- memset((char *) &sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = htonl(INADDR_ANY);
- sin.sin_port = htons(port);
-
- val = 1;
- if (proto == IPPROTO_TCP)
- if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
- &val, sizeof(val)) < 0)
- xlog(L_ERROR, "setsockopt failed: %s",
- strerror(errno));
-
- if (bind(sock, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
- xlog(L_FATAL, "Could not bind name to socket: %s",
- strerror(errno));
- return -1;
+ signal(SIGALRM, closedown);
+ alarm(_RPCSVC_CLOSEDOWN);
}
-
- return sock;
}