sunrpc/rpc_clntout.c

   1 /* @(#)rpc_clntout.c    2.1 88/08/01 4.0 RPCSRC */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  */
  30 #ifndef lint
  31 static char sccsid[] = "@(#)rpc_clntout.c 1.2 87/06/24 (C) 1987 SMI";
  32 #endif
  33
  34 /*
  35  * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
  36  * Copyright (C) 1987, Sun Microsytsems, Inc.
  37  */
  38 #include <stdio.h>
  39 #include <strings.h>
  40 #include "rpc_parse.h"
  41 #include "rpc_util.h"
  42
  43 #define DEFAULT_TIMEOUT 25      /* in seconds */
  44
  45 void
  46 write_stubs()
  47 {
  48         list *l;
  49         definition *def;
  50
  51         f_print(fout,
  52                 "\n/* Default timeout can be changed using clnt_control() */\n");
  53         f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
  54                 DEFAULT_TIMEOUT);
  55         for (l = defined; l != NULL; l = l->next) {
  56                 def = (definition *) l->val;
  57                 if (def->def_kind == DEF_PROGRAM) {
  58                         write_program(def);
  59                 }
  60         }
  61 }
  62
  63
  64 static
  65 write_program(def)
  66         definition *def;
  67 {
  68         version_list *vp;
  69         proc_list *proc;
  70
  71         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
  72                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
  73                         f_print(fout, "\n");
  74                         ptype(proc->res_prefix, proc->res_type, 1);
  75                         f_print(fout, "*\n");
  76                         pvname(proc->proc_name, vp->vers_num);
  77                         f_print(fout, "(argp, clnt)\n");
  78                         f_print(fout, "\t");
  79                         ptype(proc->arg_prefix, proc->arg_type, 1);
  80                         f_print(fout, "*argp;\n");
  81                         f_print(fout, "\tCLIENT *clnt;\n");
  82                         f_print(fout, "{\n");
  83                         printbody(proc);
  84                         f_print(fout, "}\n\n");
  85                 }
  86         }
  87 }
  88
  89 static char *
  90 ampr(type)
  91         char *type;
  92 {
  93         if (isvectordef(type, REL_ALIAS)) {
  94                 return ("");
  95         } else {
  96                 return ("&");
  97         }
  98 }
  99
 100 static
 101 printbody(proc)
 102         proc_list *proc;
 103 {
 104         f_print(fout, "\tstatic ");
 105         if (streq(proc->res_type, "void")) {
 106                 f_print(fout, "char ");
 107         } else {
 108                 ptype(proc->res_prefix, proc->res_type, 0);
 109         }
 110         f_print(fout, "res;\n");
 111         f_print(fout, "\n");
 112         f_print(fout, "\tbzero((char *)%sres, sizeof(res));\n",
 113                 ampr(proc->res_type));
 114         f_print(fout,
 115                 "\tif (clnt_call(clnt, %s, xdr_%s, argp, xdr_%s, %sres, TIMEOUT) != RPC_SUCCESS) {\n",
 116                 proc->proc_name, stringfix(proc->arg_type),
 117                 stringfix(proc->res_type), ampr(proc->res_type));
 118         f_print(fout, "\t\treturn (NULL);\n");
 119         f_print(fout, "\t}\n");
 120         if (streq(proc->res_type, "void")) {
 121                 f_print(fout, "\treturn ((void *)%sres);\n",
 122                         ampr(proc->res_type));
 123         } else {
 124                 f_print(fout, "\treturn (%sres);\n", ampr(proc->res_type));
 125         }
 126 }