projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for | |
| 3 | * unrestricted use provided that this legend is included on all tape | |
| 4 | * media and as a part of the software program in whole or part. Users | |
| 5 | * may copy or modify Sun RPC without charge, but are not authorized | |
| 6 | * to license or distribute it to anyone else except as part of a product or | |
| 7 | * program developed by the user. | |
| 8 | * | |
| 9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE | |
| 10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR | |
| 11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. | |
| 12 | * | |
| 13 | * Sun RPC is provided with no support and without any obligation on the | |
| 14 | * part of Sun Microsystems, Inc. to assist in its use, correction, | |
| 15 | * modification or enhancement. | |
| 16 | * | |
| 17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE | |
| 18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC | |
| 19 | * OR ANY PART THEREOF. | |
| 20 | * | |
| 21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue | |
| 22 | * or profits or other special, indirect and consequential damages, even if | |
| 23 | * Sun has been advised of the possibility of such damages. | |
| 24 | * | |
| 25 | * Sun Microsystems, Inc. | |
| 26 | * 2550 Garcia Avenue | |
| 27 | * Mountain View, California 94043 | |
| 28 | */ | |
| d2bc008e C |
29 | |
| 30 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 31 | /*static char *sccsid = "from: @(#)clnt_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro";*/ | |
| 32 | /*static char *sccsid = "from: @(#)clnt_simple.c 2.2 88/08/01 4.0 RPCSRC";*/ | |
| 33 | static char *rcsid = "$Id: clnt_simple.c,v 1.4 1993/08/26 00:53:19 jtc Exp $"; | |
| 15637ed4 RG |
34 | #endif |
| 35 | ||
| 36 | /* | |
| 37 | * clnt_simple.c | |
| 38 | * Simplified front end to rpc. | |
| 39 | * | |
| 40 | * Copyright (C) 1984, Sun Microsystems, Inc. | |
| 41 | */ | |
| 42 | ||
| 43 | #include <stdio.h> | |
| d2bc008e C |
44 | #include <stdlib.h> |
| 45 | #include <string.h> | |
| 15637ed4 RG |
46 | #include <rpc/rpc.h> |
| 47 | #include <sys/socket.h> | |
| 48 | #include <netdb.h> | |
| 15637ed4 RG |
49 | |
| 50 | static struct callrpc_private { | |
| 51 | CLIENT *client; | |
| 52 | int socket; | |
| 53 | int oldprognum, oldversnum, valid; | |
| 54 | char *oldhost; | |
| 55 | } *callrpc_private; | |
| 56 | ||
| 57 | callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out) | |
| 58 | char *host; | |
| 59 | xdrproc_t inproc, outproc; | |
| 60 | char *in, *out; | |
| 61 | { | |
| 62 | register struct callrpc_private *crp = callrpc_private; | |
| 63 | struct sockaddr_in server_addr; | |
| 64 | enum clnt_stat clnt_stat; | |
| 65 | struct hostent *hp; | |
| 66 | struct timeval timeout, tottimeout; | |
| 67 | ||
| 68 | if (crp == 0) { | |
| 69 | crp = (struct callrpc_private *)calloc(1, sizeof (*crp)); | |
| 70 | if (crp == 0) | |
| 71 | return (0); | |
| 72 | callrpc_private = crp; | |
| 73 | } | |
| 74 | if (crp->oldhost == NULL) { | |
| 75 | crp->oldhost = malloc(256); | |
| 76 | crp->oldhost[0] = 0; | |
| 77 | crp->socket = RPC_ANYSOCK; | |
| 78 | } | |
| 79 | if (crp->valid && crp->oldprognum == prognum && crp->oldversnum == versnum | |
| 80 | && strcmp(crp->oldhost, host) == 0) { | |
| 81 | /* reuse old client */ | |
| 82 | } else { | |
| 83 | crp->valid = 0; | |
| 84 | (void)close(crp->socket); | |
| 85 | crp->socket = RPC_ANYSOCK; | |
| 86 | if (crp->client) { | |
| 87 | clnt_destroy(crp->client); | |
| 88 | crp->client = NULL; | |
| 89 | } | |
| 90 | if ((hp = gethostbyname(host)) == NULL) | |
| 91 | return ((int) RPC_UNKNOWNHOST); | |
| 92 | timeout.tv_usec = 0; | |
| 93 | timeout.tv_sec = 5; | |
| 94 | bcopy(hp->h_addr, (char *)&server_addr.sin_addr, hp->h_length); | |
| 95 | server_addr.sin_family = AF_INET; | |
| 96 | server_addr.sin_port = 0; | |
| 97 | if ((crp->client = clntudp_create(&server_addr, (u_long)prognum, | |
| 98 | (u_long)versnum, timeout, &crp->socket)) == NULL) | |
| 99 | return ((int) rpc_createerr.cf_stat); | |
| 100 | crp->valid = 1; | |
| 101 | crp->oldprognum = prognum; | |
| 102 | crp->oldversnum = versnum; | |
| 103 | (void) strcpy(crp->oldhost, host); | |
| 104 | } | |
| 105 | tottimeout.tv_sec = 25; | |
| 106 | tottimeout.tv_usec = 0; | |
| 107 | clnt_stat = clnt_call(crp->client, procnum, inproc, in, | |
| 108 | outproc, out, tottimeout); | |
| 109 | /* | |
| 110 | * if call failed, empty cache | |
| 111 | */ | |
| 112 | if (clnt_stat != RPC_SUCCESS) | |
| 113 | crp->valid = 0; | |
| 114 | return ((int) clnt_stat); | |
| 115 | } |