276 lines
7.2 KiB
C
276 lines
7.2 KiB
C
/* @(#)rpc_svcout.c 2.1 88/08/01 4.0 RPCSRC */
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/*
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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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#ifndef lint
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static char sccsid[] = "@(#)rpc_svcout.c 1.6 87/06/24 (C) 1987 SMI";
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#endif
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/*
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* rpc_svcout.c, Server-skeleton 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 <strings.h>
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#include "rpc_parse.h"
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#include "rpc_util.h"
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static char RQSTP[] = "rqstp";
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static char TRANSP[] = "transp";
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static char ARG[] = "argument";
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static char RESULT[] = "result";
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static char ROUTINE[] = "local";
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static int write_program(), printerr(), printif();
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/*
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* write most of the service, that is, everything but the registrations.
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*/
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void
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write_most()
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{
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list *l;
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definition *def;
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version_list *vp;
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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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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout, "\nstatic void ");
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pvname(def->def_name, vp->vers_num);
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f_print(fout, "();");
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}
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}
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}
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f_print(fout, "\n\n");
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f_print(fout, "main()\n");
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f_print(fout, "{\n");
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f_print(fout, "\tSVCXPRT *%s;\n", TRANSP);
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f_print(fout, "\n");
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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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continue;
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}
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout, "\t(void)pmap_unset(%s, %s);\n", def->def_name, vp->vers_name);
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}
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}
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}
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/*
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* write a registration for the given transport
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*/
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void
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write_register(transp)
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char *transp;
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{
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list *l;
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definition *def;
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version_list *vp;
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f_print(fout, "\n");
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f_print(fout, "\t%s = svc%s_create(RPC_ANYSOCK", TRANSP, transp);
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if (streq(transp, "tcp")) {
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f_print(fout, ", 0, 0");
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}
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f_print(fout, ");\n");
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f_print(fout, "\tif (%s == NULL) {\n", TRANSP);
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f_print(fout, "\t\t(void)fprintf(stderr, \"cannot create %s service.\\n\");\n", transp);
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f_print(fout, "\t\texit(1);\n");
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f_print(fout, "\t}\n");
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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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continue;
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}
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout,
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"\tif (!svc_register(%s, %s, %s, ",
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TRANSP, def->def_name, vp->vers_name);
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pvname(def->def_name, vp->vers_num);
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f_print(fout, ", IPPROTO_%s)) {\n",
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streq(transp, "udp") ? "UDP" : "TCP");
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f_print(fout,
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"\t\t(void)fprintf(stderr, \"unable to register (%s, %s, %s).\\n\");\n",
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def->def_name, vp->vers_name, transp);
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f_print(fout, "\t\texit(1);\n");
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f_print(fout, "\t}\n");
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}
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}
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}
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/*
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* write the rest of the service
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*/
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void
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write_rest()
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{
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f_print(fout, "\tsvc_run();\n");
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f_print(fout, "\t(void)fprintf(stderr, \"svc_run returned\\n\");\n");
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f_print(fout, "\texit(1);\n");
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f_print(fout, "}\n");
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}
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void
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write_programs(storage)
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char *storage;
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{
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list *l;
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definition *def;
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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, storage);
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}
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}
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}
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static
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write_program(def, storage)
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definition *def;
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char *storage;
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{
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version_list *vp;
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proc_list *proc;
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int filled;
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout, "\n");
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if (storage != NULL) {
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f_print(fout, "%s ", storage);
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}
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f_print(fout, "void\n");
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pvname(def->def_name, vp->vers_num);
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f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
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f_print(fout, " struct svc_req *%s;\n", RQSTP);
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f_print(fout, " SVCXPRT *%s;\n", TRANSP);
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f_print(fout, "{\n");
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filled = 0;
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f_print(fout, "\tunion {\n");
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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if (streq(proc->arg_type, "void")) {
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continue;
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}
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filled = 1;
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f_print(fout, "\t\t");
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ptype(proc->arg_prefix, proc->arg_type, 0);
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_arg;\n");
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}
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if (!filled) {
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f_print(fout, "\t\tint fill;\n");
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}
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f_print(fout, "\t} %s;\n", ARG);
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f_print(fout, "\tchar *%s;\n", RESULT);
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f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT);
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f_print(fout, "\tchar *(*%s)();\n", ROUTINE);
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f_print(fout, "\n");
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f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
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if (!nullproc(vp->procs)) {
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f_print(fout, "\tcase NULLPROC:\n");
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f_print(fout, "\t\t(void)svc_sendreply(%s, xdr_void, (char *)NULL);\n", TRANSP);
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f_print(fout, "\t\treturn;\n\n");
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}
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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f_print(fout, "\tcase %s:\n", proc->proc_name);
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f_print(fout, "\t\txdr_%s = xdr_%s;\n", ARG,
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stringfix(proc->arg_type));
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f_print(fout, "\t\txdr_%s = xdr_%s;\n", RESULT,
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stringfix(proc->res_type));
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f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE);
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, ";\n");
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f_print(fout, "\t\tbreak;\n\n");
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}
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f_print(fout, "\tdefault:\n");
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printerr("noproc", TRANSP);
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f_print(fout, "\t\treturn;\n");
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f_print(fout, "\t}\n");
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f_print(fout, "\tbzero((char *)&%s, sizeof(%s));\n", ARG, ARG);
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printif("getargs", TRANSP, "&", ARG);
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printerr("decode", TRANSP);
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f_print(fout, "\t\treturn;\n");
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f_print(fout, "\t}\n");
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f_print(fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG,
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RQSTP);
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f_print(fout,
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"\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
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RESULT, TRANSP, RESULT, RESULT);
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printerr("systemerr", TRANSP);
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f_print(fout, "\t}\n");
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printif("freeargs", TRANSP, "&", ARG);
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f_print(fout, "\t\t(void)fprintf(stderr, \"unable to free arguments\\n\");\n");
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f_print(fout, "\t\texit(1);\n");
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f_print(fout, "\t}\n");
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f_print(fout, "}\n\n");
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}
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}
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static
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printerr(err, transp)
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char *err;
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char *transp;
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{
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f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
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}
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static
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printif(proc, transp, prefix, arg)
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char *proc;
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char *transp;
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char *prefix;
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char *arg;
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{
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f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n",
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proc, transp, arg, prefix, arg);
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}
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nullproc(proc)
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proc_list *proc;
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{
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for (; proc != NULL; proc = proc->next) {
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if (streq(proc->proc_num, "0")) {
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return (1);
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}
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}
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return (0);
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}
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