NetBSD/usr.bin/rpcgen/rpc_svcout.c

276 lines
7.2 KiB
C

/* @(#)rpc_svcout.c 2.1 88/08/01 4.0 RPCSRC */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#ifndef lint
static char sccsid[] = "@(#)rpc_svcout.c 1.6 87/06/24 (C) 1987 SMI";
#endif
/*
* rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
* Copyright (C) 1987, Sun Microsytsems, Inc.
*/
#include <stdio.h>
#include <strings.h>
#include "rpc_parse.h"
#include "rpc_util.h"
static char RQSTP[] = "rqstp";
static char TRANSP[] = "transp";
static char ARG[] = "argument";
static char RESULT[] = "result";
static char ROUTINE[] = "local";
static int write_program(), printerr(), printif();
/*
* write most of the service, that is, everything but the registrations.
*/
void
write_most()
{
list *l;
definition *def;
version_list *vp;
for (l = defined; l != NULL; l = l->next) {
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM) {
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
f_print(fout, "\nstatic void ");
pvname(def->def_name, vp->vers_num);
f_print(fout, "();");
}
}
}
f_print(fout, "\n\n");
f_print(fout, "main()\n");
f_print(fout, "{\n");
f_print(fout, "\tSVCXPRT *%s;\n", TRANSP);
f_print(fout, "\n");
for (l = defined; l != NULL; l = l->next) {
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM) {
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
f_print(fout, "\t(void)pmap_unset(%s, %s);\n", def->def_name, vp->vers_name);
}
}
}
/*
* write a registration for the given transport
*/
void
write_register(transp)
char *transp;
{
list *l;
definition *def;
version_list *vp;
f_print(fout, "\n");
f_print(fout, "\t%s = svc%s_create(RPC_ANYSOCK", TRANSP, transp);
if (streq(transp, "tcp")) {
f_print(fout, ", 0, 0");
}
f_print(fout, ");\n");
f_print(fout, "\tif (%s == NULL) {\n", TRANSP);
f_print(fout, "\t\t(void)fprintf(stderr, \"cannot create %s service.\\n\");\n", transp);
f_print(fout, "\t\texit(1);\n");
f_print(fout, "\t}\n");
for (l = defined; l != NULL; l = l->next) {
def = (definition *) l->val;
if (def->def_kind != DEF_PROGRAM) {
continue;
}
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
f_print(fout,
"\tif (!svc_register(%s, %s, %s, ",
TRANSP, def->def_name, vp->vers_name);
pvname(def->def_name, vp->vers_num);
f_print(fout, ", IPPROTO_%s)) {\n",
streq(transp, "udp") ? "UDP" : "TCP");
f_print(fout,
"\t\t(void)fprintf(stderr, \"unable to register (%s, %s, %s).\\n\");\n",
def->def_name, vp->vers_name, transp);
f_print(fout, "\t\texit(1);\n");
f_print(fout, "\t}\n");
}
}
}
/*
* write the rest of the service
*/
void
write_rest()
{
f_print(fout, "\tsvc_run();\n");
f_print(fout, "\t(void)fprintf(stderr, \"svc_run returned\\n\");\n");
f_print(fout, "\texit(1);\n");
f_print(fout, "}\n");
}
void
write_programs(storage)
char *storage;
{
list *l;
definition *def;
for (l = defined; l != NULL; l = l->next) {
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM) {
write_program(def, storage);
}
}
}
static
write_program(def, storage)
definition *def;
char *storage;
{
version_list *vp;
proc_list *proc;
int filled;
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
f_print(fout, "\n");
if (storage != NULL) {
f_print(fout, "%s ", storage);
}
f_print(fout, "void\n");
pvname(def->def_name, vp->vers_num);
f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
f_print(fout, " struct svc_req *%s;\n", RQSTP);
f_print(fout, " SVCXPRT *%s;\n", TRANSP);
f_print(fout, "{\n");
filled = 0;
f_print(fout, "\tunion {\n");
for (proc = vp->procs; proc != NULL; proc = proc->next) {
if (streq(proc->arg_type, "void")) {
continue;
}
filled = 1;
f_print(fout, "\t\t");
ptype(proc->arg_prefix, proc->arg_type, 0);
pvname(proc->proc_name, vp->vers_num);
f_print(fout, "_arg;\n");
}
if (!filled) {
f_print(fout, "\t\tint fill;\n");
}
f_print(fout, "\t} %s;\n", ARG);
f_print(fout, "\tchar *%s;\n", RESULT);
f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT);
f_print(fout, "\tchar *(*%s)();\n", ROUTINE);
f_print(fout, "\n");
f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
if (!nullproc(vp->procs)) {
f_print(fout, "\tcase NULLPROC:\n");
f_print(fout, "\t\t(void)svc_sendreply(%s, xdr_void, (char *)NULL);\n", TRANSP);
f_print(fout, "\t\treturn;\n\n");
}
for (proc = vp->procs; proc != NULL; proc = proc->next) {
f_print(fout, "\tcase %s:\n", proc->proc_name);
f_print(fout, "\t\txdr_%s = xdr_%s;\n", ARG,
stringfix(proc->arg_type));
f_print(fout, "\t\txdr_%s = xdr_%s;\n", RESULT,
stringfix(proc->res_type));
f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE);
pvname(proc->proc_name, vp->vers_num);
f_print(fout, ";\n");
f_print(fout, "\t\tbreak;\n\n");
}
f_print(fout, "\tdefault:\n");
printerr("noproc", TRANSP);
f_print(fout, "\t\treturn;\n");
f_print(fout, "\t}\n");
f_print(fout, "\tbzero((char *)&%s, sizeof(%s));\n", ARG, ARG);
printif("getargs", TRANSP, "&", ARG);
printerr("decode", TRANSP);
f_print(fout, "\t\treturn;\n");
f_print(fout, "\t}\n");
f_print(fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG,
RQSTP);
f_print(fout,
"\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
RESULT, TRANSP, RESULT, RESULT);
printerr("systemerr", TRANSP);
f_print(fout, "\t}\n");
printif("freeargs", TRANSP, "&", ARG);
f_print(fout, "\t\t(void)fprintf(stderr, \"unable to free arguments\\n\");\n");
f_print(fout, "\t\texit(1);\n");
f_print(fout, "\t}\n");
f_print(fout, "}\n\n");
}
}
static
printerr(err, transp)
char *err;
char *transp;
{
f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
}
static
printif(proc, transp, prefix, arg)
char *proc;
char *transp;
char *prefix;
char *arg;
{
f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n",
proc, transp, arg, prefix, arg);
}
nullproc(proc)
proc_list *proc;
{
for (; proc != NULL; proc = proc->next) {
if (streq(proc->proc_num, "0")) {
return (1);
}
}
return (0);
}