331 lines
8.6 KiB
C
331 lines
8.6 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#ident "@(#)rpc_clntout.c 1.15 94/04/25 SMI"
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#ifndef lint
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static char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI";
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#endif
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/*
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* rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
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* Copyright (C) 1987, Sun Microsytsems, Inc.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <rpc/types.h>
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#include "rpc_parse.h"
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#include "rpc_util.h"
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extern void pdeclaration __P(( char *, declaration *, int, char * ));
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void printarglist __P(( proc_list *, char *, char *, char *));
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static void write_program __P(( definition * ));
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static void printbody __P(( proc_list * ));
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static char RESULT[] = "clnt_res";
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#define DEFAULT_TIMEOUT 25 /* in seconds */
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void
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write_stubs()
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{
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list *l;
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definition *def;
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f_print(fout,
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"\n/* Default timeout can be changed using clnt_control() */\n");
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f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
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DEFAULT_TIMEOUT);
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind == DEF_PROGRAM) {
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write_program(def);
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}
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}
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}
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static void
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write_program(def)
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definition *def;
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{
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version_list *vp;
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proc_list *proc;
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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f_print(fout, "\n");
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if (mtflag == 0) {
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*\n");
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pvname(proc->proc_name, vp->vers_num);
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printarglist(proc, RESULT, "clnt", "CLIENT *");
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} else {
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f_print(fout, "enum clnt_stat \n");
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pvname(proc->proc_name, vp->vers_num);
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printarglist(proc, RESULT, "clnt", "CLIENT *");
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}
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f_print(fout, "{\n");
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printbody(proc);
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f_print(fout, "}\n");
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}
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}
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}
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/*
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* Writes out declarations of procedure's argument list.
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* In either ANSI C style, in one of old rpcgen style (pass by reference),
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* or new rpcgen style (multiple arguments, pass by value);
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*/
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/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
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void printarglist(proc, result, addargname, addargtype)
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proc_list *proc;
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char *result;
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char* addargname, * addargtype;
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{
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decl_list *l;
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if (!newstyle) {
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/* old style: always pass argument by reference */
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if (Cflag) { /* C++ style heading */
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f_print(fout, "(");
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ptype(proc->args.decls->decl.prefix,
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proc->args.decls->decl.type, 1);
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if (mtflag) {/* Generate result field */
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f_print(fout, "*argp, ");
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*%s, %s%s)\n",
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result, addargtype, addargname);
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} else
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f_print(fout, "*argp, %s%s)\n", addargtype, addargname);
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} else {
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if (!mtflag)
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f_print(fout, "(argp, %s)\n", addargname);
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else
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f_print(fout, "(argp, %s, %s)\n",
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result, addargname);
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f_print(fout, "\t");
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ptype(proc->args.decls->decl.prefix,
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proc->args.decls->decl.type, 1);
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f_print(fout, "*argp;\n");
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if (mtflag) {
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f_print(fout, "\t");
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*%s;\n", result);
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}
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}
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} else if (streq(proc->args.decls->decl.type, "void")) {
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/* newstyle, 0 argument */
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if (mtflag) {
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f_print(fout, "(");
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if (Cflag) {
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*%s, %s%s)\n",
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result, addargtype, addargname);
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}
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else
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f_print(fout, "(%s)\n", addargname);
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} else
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if (Cflag)
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f_print(fout, "(%s%s)\n", addargtype, addargname);
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else
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f_print(fout, "(%s)\n", addargname);
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} else {
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/* new style, 1 or multiple arguments */
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if (!Cflag) {
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f_print(fout, "(");
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for (l = proc->args.decls; l != NULL; l = l->next)
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f_print(fout, "%s, ", l->decl.name);
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if (mtflag)
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f_print(fout, "%s, ", result);
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f_print(fout, "%s)\n", addargname);
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for (l = proc->args.decls; l != NULL; l = l->next) {
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pdeclaration(proc->args.argname,
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&l->decl, 1, ";\n");
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}
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if (mtflag) {
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f_print(fout, "\t");
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*%s;\n", result);
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}
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} else { /* C++ style header */
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f_print(fout, "(");
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for (l = proc->args.decls; l != NULL; l = l->next) {
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pdeclaration(proc->args.argname, &l->decl, 0,
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", ");
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}
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if (mtflag) {
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*%s, ", result);
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}
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f_print(fout, "%s%s)\n", addargtype, addargname);
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}
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}
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if (!Cflag)
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f_print(fout, "\t%s%s;\n", addargtype, addargname);
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}
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static char *
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ampr(type)
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char *type;
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{
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if (isvectordef(type, REL_ALIAS)) {
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return ("");
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} else {
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return ("&");
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}
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}
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static void
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printbody(proc)
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proc_list *proc;
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{
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decl_list *l;
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bool_t args2 = (proc->arg_num > 1);
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/*
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* For new style with multiple arguments, need a structure in which
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* to stuff the arguments.
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*/
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if (newstyle && args2) {
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f_print(fout, "\t%s", proc->args.argname);
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f_print(fout, " arg;\n");
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}
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if (!mtflag) {
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f_print(fout, "\tstatic ");
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if (streq(proc->res_type, "void")) {
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f_print(fout, "char ");
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} else {
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ptype(proc->res_prefix, proc->res_type, 0);
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}
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f_print(fout, "%s;\n", RESULT);
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f_print(fout, "\n");
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f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
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ampr(proc->res_type), RESULT, RESULT);
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}
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if (newstyle && !args2 &&
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(streq(proc->args.decls->decl.type, "void"))) {
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/* newstyle, 0 arguments */
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if (mtflag)
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f_print(fout, "\t return ");
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else
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f_print(fout, "\t if ");
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f_print(fout,
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"(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
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proc->proc_name);
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f_print(fout,
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"(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
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stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
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RESULT);
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if (mtflag)
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f_print(fout, "\n\t\tTIMEOUT));\n");
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else
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f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
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} else if (newstyle && args2) {
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/*
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* Newstyle, multiple arguments
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* stuff arguments into structure
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*/
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for (l = proc->args.decls; l != NULL; l = l->next) {
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f_print(fout, "\targ.%s = %s;\n",
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l->decl.name, l->decl.name);
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}
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if (mtflag)
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f_print(fout, "\treturn ");
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else
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f_print(fout, "\tif ");
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f_print(fout,
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"(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
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proc->proc_name,proc->args.argname);
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f_print(fout,
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", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
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stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
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RESULT);
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if (mtflag)
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f_print(fout, "\n\t\tTIMEOUT));\n");
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else
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f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
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} else { /* single argument, new or old style */
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if (!mtflag)
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f_print(fout,
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"\tif (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT) != RPC_SUCCESS) {\n",
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proc->proc_name,
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stringfix(proc->args.decls->decl.type),
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(newstyle ? "&" : ""),
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(newstyle ? proc->args.decls->decl.name : "argp"),
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stringfix(proc->res_type), ampr(proc->res_type),
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RESULT);
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else
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f_print(fout,
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"\treturn (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT));\n",
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proc->proc_name,
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stringfix(proc->args.decls->decl.type),
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(newstyle ? "&" : ""),
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(newstyle ? proc->args.decls->decl.name : "argp"),
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stringfix(proc->res_type), "",
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RESULT);
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}
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if (!mtflag) {
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f_print(fout, "\t\treturn (NULL);\n");
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f_print(fout, "\t}\n");
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if (streq(proc->res_type, "void")) {
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f_print(fout, "\treturn ((void *)%s%s);\n",
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ampr(proc->res_type), RESULT);
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} else {
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f_print(fout, "\treturn (%s%s);\n",
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ampr(proc->res_type), RESULT);
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}
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}
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}
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