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ff49530f45
Update rpcgen with the one from the TI-RPC 2.3 distribution. Note that when built for FreeBSD, this version of rpcgen assumes backwards compatibility mode by default. This means that it will produce ONCRPC 4.0 compatible code unless otherwise instructed, instead of the other way around. One incompatibility has also been worked around: this rpcgen normally always emits an '#include <stropts.h>' directive whether you select backwards compatibility mode or not. We don't have STREAMS, so this behavior has been changed: now it will only emit this line if run in TI-RPC mode. The 'generate output files in current directory instead of the directory where the protocol definition file lives' hack from the original rpcgen has been preserved. Notable new features: - Can be used to generate RPC servers that can be launched from port monitors such as inetd(5). - Can generate ANSI C code. - Can generate sample client and server top-level programs and makefiles in addition to the usual client and server stubs. - Can generate inline XDR routines.
332 lines
8.6 KiB
C
332 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 int pdeclaration __P(( char *, declaration *, int, char * ));
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void printarglist __P(( proc_list *, char *, char *, char *));
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static int write_program __P(( definition * ));
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static int 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
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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
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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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int i;
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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}\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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