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-rw-r--r--sunrpc/rpc_svcout.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/sunrpc/rpc_svcout.c b/sunrpc/rpc_svcout.c
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+/* @(#)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";
+
+
+/*
+ * 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);
+}
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