/*
- * 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.
*
#endif
static void closedown(int sig);
-int makesock(int port, int proto);
+static int makesock(int port, int proto);
#define _RPCSVC_CLOSEDOWN 120
int _rpcpmstart = 0;
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)) {
}
if (defport == 0)
sock = RPC_ANYSOCK;
- else if ((sock = makesock(defport, IPPROTO_UDP)) < 0) {
- xlog(L_FATAL, "%s: cannot make a UDP socket\n",
- name);
- }
+ else
+ sock = makesock(defport, IPPROTO_UDP);
}
if (sock == RPC_ANYSOCK)
sock = svcudp_socket (prog, 1);
}
if (defport == 0)
sock = RPC_ANYSOCK;
- else if ((sock = makesock(defport, IPPROTO_TCP)) < 0) {
- xlog(L_FATAL, "%s: cannot make a TCP socket\n",
- name);
- }
+ else
+ sock = makesock(defport, IPPROTO_TCP);
}
if (sock == RPC_ANYSOCK)
sock = svctcp_socket (prog, 1);
}
if (_rpcpmstart) {
- signal (SIGALRM, closedown);
- alarm (_RPCSVC_CLOSEDOWN);
+ signal(SIGALRM, closedown);
+ alarm(_RPCSVC_CLOSEDOWN);
}
}
(void) alarm(_RPCSVC_CLOSEDOWN);
}
-int makesock(int port, int proto)
+/*
+ * 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 s;
- int sock_type;
- int val;
+ int sock, sock_type, val;
sock_type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
- s = socket(AF_INET, sock_type, proto);
- if (s < 0) {
- xlog(L_FATAL, "Could not make a socket: %s\n",
+ sock = socket(AF_INET, sock_type, proto);
+ if (sock < 0) {
+ xlog(L_FATAL, "Could not make a socket: %s",
strerror(errno));
- return (-1);
+ return -1;
}
memset((char *) &sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
+ sin.sin_addr.s_addr = htonl(INADDR_ANY);
sin.sin_port = htons(port);
val = 1;
if (proto == IPPROTO_TCP)
- if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
+ if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
&val, sizeof(val)) < 0)
- xlog(L_ERROR, "setsockopt failed: %s\n",
+ xlog(L_ERROR, "setsockopt failed: %s",
strerror(errno));
-#if 0
- /* I was told it didn't work with gigabit ethernet.
- Don't bothet with it. H.J. */
-#ifdef SO_SNDBUF
- {
- int sblen, rblen;
-
- /* 1024 for rpc & transport overheads */
- sblen = rblen = socksz + 1024;
- if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sblen, sizeof sblen) < 0 ||
- setsockopt(s, SOL_SOCKET, SO_RCVBUF, &rblen, sizeof rblen) < 0)
- xlog(L_ERROR, "setsockopt failed: %s\n", strerror(errno));
- }
-#endif /* SO_SNDBUF */
-#endif
-
- if (bind(s, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
- xlog(L_FATAL, "Could not bind name to socket: %s\n",
+ if (bind(sock, (struct sockaddr *) &sin, sizeof(sin)) == -1) {
+ xlog(L_FATAL, "Could not bind name to socket: %s",
strerror(errno));
- return (-1);
+ return -1;
}
- return (s);
+
+ return sock;
}