summaryrefslogtreecommitdiffstats
path: root/c/src/exec/librpc/src/rpc/clnt_simple.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--c/src/exec/librpc/src/rpc/clnt_simple.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/c/src/exec/librpc/src/rpc/clnt_simple.c b/c/src/exec/librpc/src/rpc/clnt_simple.c
index e69de29bb2..e8f92bc657 100644
--- a/c/src/exec/librpc/src/rpc/clnt_simple.c
+++ b/c/src/exec/librpc/src/rpc/clnt_simple.c
@@ -0,0 +1,123 @@
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part. Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ *
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ *
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ *
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ *
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ *
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California 94043
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char *sccsid = "from: @(#)clnt_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro";*/
+/*static char *sccsid = "from: @(#)clnt_simple.c 2.2 88/08/01 4.0 RPCSRC";*/
+static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_simple.c,v 1.12 2000/01/27 23:06:35 jasone Exp $";
+#endif
+
+/*
+ * clnt_simple.c
+ * Simplified front end to rpc.
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#include <sys/param.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+struct call_rpc_private {
+ CLIENT *client;
+ int socket;
+ int oldprognum, oldversnum, valid;
+ char *oldhost;
+};
+#define callrpc_private ((struct call_rpc_private *)((struct rtems_rpc_task_variables *)rtems_rpc_task_variables)->call_rpc_private)
+
+int
+callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)
+ char *host;
+ int prognum, versnum, procnum;
+ xdrproc_t inproc, outproc;
+ char *in, *out;
+{
+ register struct call_rpc_private *crp = callrpc_private;
+ struct sockaddr_in server_addr;
+ enum clnt_stat clnt_stat;
+ struct hostent *hp;
+ struct timeval timeout, tottimeout;
+
+ if (crp == 0) {
+ crp = (struct call_rpc_private *)calloc(1, sizeof (*crp));
+ if (crp == 0)
+ return (0);
+ callrpc_private = crp;
+ }
+ if (crp->oldhost == NULL) {
+ crp->oldhost = malloc(MAXHOSTNAMELEN);
+ crp->oldhost[0] = 0;
+ crp->socket = RPC_ANYSOCK;
+ }
+ if (crp->valid && crp->oldprognum == prognum && crp->oldversnum == versnum
+ && strcmp(crp->oldhost, host) == 0) {
+ /* reuse old client */
+ } else {
+ crp->valid = 0;
+ if (crp->socket != -1)
+ (void)_close(crp->socket);
+ crp->socket = RPC_ANYSOCK;
+ if (crp->client) {
+ clnt_destroy(crp->client);
+ crp->client = NULL;
+ }
+ if ((hp = gethostbyname(host)) == NULL)
+ return ((int) RPC_UNKNOWNHOST);
+ timeout.tv_usec = 0;
+ timeout.tv_sec = 5;
+ memset(&server_addr, 0, sizeof(server_addr));
+ memcpy((char *)&server_addr.sin_addr, hp->h_addr, hp->h_length);
+ server_addr.sin_len = sizeof(struct sockaddr_in);
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = 0;
+ if ((crp->client = clntudp_create(&server_addr, (u_long)prognum,
+ (u_long)versnum, timeout, &crp->socket)) == NULL)
+ return ((int) rpc_createerr.cf_stat);
+ crp->valid = 1;
+ crp->oldprognum = prognum;
+ crp->oldversnum = versnum;
+ (void) strcpy(crp->oldhost, host);
+ }
+ tottimeout.tv_sec = 25;
+ tottimeout.tv_usec = 0;
+ clnt_stat = clnt_call(crp->client, procnum, inproc, in,
+ outproc, out, tottimeout);
+ /*
+ * if call failed, empty cache
+ */
+ if (clnt_stat != RPC_SUCCESS)
+ crp->valid = 0;
+ return ((int) clnt_stat);
+}