Import TBBT (NFS trace replay).

[bluesky.git] / TBBT / trace_play / rpc / clnt_simple.c

diff --git a/TBBT/trace_play/rpc/clnt_simple.c b/TBBT/trace_play/rpc/clnt_simple.c
new file mode 100755 (executable)
index 0000000..ab5ae9a
--- /dev/null
+++ b/TBBT/trace_play/rpc/clnt_simple.c
@@ -0,0 +1,141 @@
+#ifndef lint
+static char sfs_clnt_simple_id[] = "@(#)clnt_simple.c     2.1     97/10/23";
+#endif
+/* @(#)clnt_simple.c   2.2 88/08/01 4.0 RPCSRC */
+/*
+ *   Copyright (c) 1992-1997,2001 by Standard Performance Evaluation Corporation
+ *     All rights reserved.
+ *             Standard Performance Evaluation Corporation (SPEC)
+ *             6585 Merchant Place, Suite 100
+ *             Warrenton, VA 20187
+ *
+ *     This product contains benchmarks acquired from several sources who
+ *     understand and agree with SPEC's goal of creating fair and objective
+ *     benchmarks to measure computer performance.
+ *
+ *     This copyright notice is placed here only to protect SPEC in the
+ *     event the source is misused in any manner that is contrary to the
+ *     spirit, the goals and the intent of SPEC.
+ *
+ *     The source code is provided to the user or company under the license
+ *     agreement for the SPEC Benchmark Suite for this product.
+ */
+/*
+ * 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(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)clnt_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro";
+#endif
+
+/* 
+ * clnt_simple.c
+ * Simplified front end to rpc.
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "rpc/rpc.h"
+#include "rpc/osdep.h"
+#include <netdb.h>
+#include <string.h>
+
+static struct callrpc_private {
+       CLIENT  *client;
+       int     socket;
+       int     oldprognum, oldversnum, valid;
+       char    *oldhost;
+} *callrpc_private;
+
+callrpc(
+       char *host,
+       int prognum,
+       int versnum,
+       int procnum,
+       xdrproc_t inproc,
+       char *in,
+       xdrproc_t outproc,
+       char *out)
+{
+       register struct callrpc_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 callrpc_private *)calloc(1,
+                                       sizeof (struct callrpc_private));
+               if (crp == 0)
+                       return (0);
+               callrpc_private = crp;
+       }
+       if (crp->oldhost == NULL) {
+               crp->oldhost = malloc(256);
+               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;
+               (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;
+               memmove((char *)&server_addr.sin_addr, hp->h_addr, hp->h_length);
+               server_addr.sin_family = AF_INET;
+               server_addr.sin_port =  0;
+               if ((crp->client = clntudp_create(&server_addr, (uint32_t)prognum,
+                   (uint32_t)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);
+}