7289b0da6e1fb6834b626fc0ba2874fc71e8fafc
[kopensolaris-gnu/glibc.git] / sunrpc / rpc_svcout.c
1 /* @(#)rpc_svcout.c     2.1 88/08/01 4.0 RPCSRC */
2 /*
3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4  * unrestricted use provided that this legend is included on all tape
5  * media and as a part of the software program in whole or part.  Users
6  * may copy or modify Sun RPC without charge, but are not authorized
7  * to license or distribute it to anyone else except as part of a product or
8  * program developed by the user.
9  * 
10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13  * 
14  * Sun RPC is provided with no support and without any obligation on the
15  * part of Sun Microsystems, Inc. to assist in its use, correction,
16  * modification or enhancement.
17  * 
18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20  * OR ANY PART THEREOF.
21  * 
22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23  * or profits or other special, indirect and consequential damages, even if
24  * Sun has been advised of the possibility of such damages.
25  * 
26  * Sun Microsystems, Inc.
27  * 2550 Garcia Avenue
28  * Mountain View, California  94043
29  */
30 #ifndef lint
31 static char sccsid[] = "@(#)rpc_svcout.c 1.6 87/06/24 (C) 1987 SMI";
32 #endif
33
34 /*
35  * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
36  * Copyright (C) 1987, Sun Microsytsems, Inc. 
37  */
38 #include <stdio.h>
39 #include <strings.h>
40 #include "rpc_parse.h"
41 #include "rpc_util.h"
42
43 static char RQSTP[] = "rqstp";
44 static char TRANSP[] = "transp";
45 static char ARG[] = "argument";
46 static char RESULT[] = "result";
47 static char ROUTINE[] = "local";
48
49
50 /*
51  * write most of the service, that is, everything but the registrations. 
52  */
53 void
54 write_most()
55 {
56         list *l;
57         definition *def;
58         version_list *vp;
59
60         for (l = defined; l != NULL; l = l->next) {
61                 def = (definition *) l->val;
62                 if (def->def_kind == DEF_PROGRAM) {
63                         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
64                                 f_print(fout, "\nstatic void ");
65                                 pvname(def->def_name, vp->vers_num);
66                                 f_print(fout, "();");
67                         }
68                 }
69         }
70         f_print(fout, "\n\n");
71         f_print(fout, "main()\n");
72         f_print(fout, "{\n");
73         f_print(fout, "\tSVCXPRT *%s;\n", TRANSP);
74         f_print(fout, "\n");
75         for (l = defined; l != NULL; l = l->next) {
76                 def = (definition *) l->val;
77                 if (def->def_kind != DEF_PROGRAM) {
78                         continue;
79                 }
80                 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
81                         f_print(fout, "\t(void)pmap_unset(%s, %s);\n", def->def_name, vp->vers_name);
82                 }
83         }
84 }
85
86
87 /*
88  * write a registration for the given transport 
89  */
90 void
91 write_register(transp)
92         char *transp;
93 {
94         list *l;
95         definition *def;
96         version_list *vp;
97
98         f_print(fout, "\n");
99         f_print(fout, "\t%s = svc%s_create(RPC_ANYSOCK", TRANSP, transp);
100         if (streq(transp, "tcp")) {
101                 f_print(fout, ", 0, 0");
102         }
103         f_print(fout, ");\n");
104         f_print(fout, "\tif (%s == NULL) {\n", TRANSP);
105         f_print(fout, "\t\t(void)fprintf(stderr, \"cannot create %s service.\\n\");\n", transp);
106         f_print(fout, "\t\texit(1);\n");
107         f_print(fout, "\t}\n");
108
109         for (l = defined; l != NULL; l = l->next) {
110                 def = (definition *) l->val;
111                 if (def->def_kind != DEF_PROGRAM) {
112                         continue;
113                 }
114                 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
115                         f_print(fout,
116                                 "\tif (!svc_register(%s, %s, %s, ",
117                                 TRANSP, def->def_name, vp->vers_name);
118                         pvname(def->def_name, vp->vers_num);
119                         f_print(fout, ", IPPROTO_%s)) {\n",
120                                 streq(transp, "udp") ? "UDP" : "TCP");
121                         f_print(fout,
122                                 "\t\t(void)fprintf(stderr, \"unable to register (%s, %s, %s).\\n\");\n",
123                                 def->def_name, vp->vers_name, transp);
124                         f_print(fout, "\t\texit(1);\n");
125                         f_print(fout, "\t}\n");
126                 }
127         }
128 }
129
130
131 /*
132  * write the rest of the service 
133  */
134 void
135 write_rest()
136 {
137         f_print(fout, "\tsvc_run();\n");
138         f_print(fout, "\t(void)fprintf(stderr, \"svc_run returned\\n\");\n");
139         f_print(fout, "\texit(1);\n");
140         f_print(fout, "}\n");
141 }
142
143 void
144 write_programs(storage)
145         char *storage;
146 {
147         list *l;
148         definition *def;
149
150         for (l = defined; l != NULL; l = l->next) {
151                 def = (definition *) l->val;
152                 if (def->def_kind == DEF_PROGRAM) {
153                         write_program(def, storage);
154                 }
155         }
156 }
157
158
159 static
160 write_program(def, storage)
161         definition *def;
162         char *storage;
163 {
164         version_list *vp;
165         proc_list *proc;
166         int filled;
167
168         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
169                 f_print(fout, "\n");
170                 if (storage != NULL) {
171                         f_print(fout, "%s ", storage);
172                 }
173                 f_print(fout, "void\n");
174                 pvname(def->def_name, vp->vers_num);
175                 f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
176                 f_print(fout, " struct svc_req *%s;\n", RQSTP);
177                 f_print(fout, " SVCXPRT *%s;\n", TRANSP);
178                 f_print(fout, "{\n");
179
180                 filled = 0;
181                 f_print(fout, "\tunion {\n");
182                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
183                         if (streq(proc->arg_type, "void")) {
184                                 continue;
185                         }
186                         filled = 1;
187                         f_print(fout, "\t\t");
188                         ptype(proc->arg_prefix, proc->arg_type, 0);
189                         pvname(proc->proc_name, vp->vers_num);
190                         f_print(fout, "_arg;\n");
191                 }
192                 if (!filled) {
193                         f_print(fout, "\t\tint fill;\n");
194                 }
195                 f_print(fout, "\t} %s;\n", ARG);
196                 f_print(fout, "\tchar *%s;\n", RESULT);
197                 f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT);
198                 f_print(fout, "\tchar *(*%s)();\n", ROUTINE);
199                 f_print(fout, "\n");
200                 f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
201
202                 if (!nullproc(vp->procs)) {
203                         f_print(fout, "\tcase NULLPROC:\n");
204                         f_print(fout, "\t\t(void)svc_sendreply(%s, xdr_void, (char *)NULL);\n", TRANSP);
205                         f_print(fout, "\t\treturn;\n\n");
206                 }
207                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
208                         f_print(fout, "\tcase %s:\n", proc->proc_name);
209                         f_print(fout, "\t\txdr_%s = xdr_%s;\n", ARG, 
210                                 stringfix(proc->arg_type));
211                         f_print(fout, "\t\txdr_%s = xdr_%s;\n", RESULT, 
212                                 stringfix(proc->res_type));
213                         f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE);
214                         pvname(proc->proc_name, vp->vers_num);
215                         f_print(fout, ";\n");
216                         f_print(fout, "\t\tbreak;\n\n");
217                 }
218                 f_print(fout, "\tdefault:\n");
219                 printerr("noproc", TRANSP);
220                 f_print(fout, "\t\treturn;\n");
221                 f_print(fout, "\t}\n");
222
223                 f_print(fout, "\tbzero((char *)&%s, sizeof(%s));\n", ARG, ARG);
224                 printif("getargs", TRANSP, "&", ARG);
225                 printerr("decode", TRANSP);
226                 f_print(fout, "\t\treturn;\n");
227                 f_print(fout, "\t}\n");
228
229                 f_print(fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG,
230                         RQSTP);
231                 f_print(fout, 
232                         "\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
233                         RESULT, TRANSP, RESULT, RESULT);
234                 printerr("systemerr", TRANSP);
235                 f_print(fout, "\t}\n");
236
237                 printif("freeargs", TRANSP, "&", ARG);
238                 f_print(fout, "\t\t(void)fprintf(stderr, \"unable to free arguments\\n\");\n");
239                 f_print(fout, "\t\texit(1);\n");
240                 f_print(fout, "\t}\n");
241
242                 f_print(fout, "}\n\n");
243         }
244 }
245
246 static
247 printerr(err, transp)
248         char *err;
249         char *transp;
250 {
251         f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
252 }
253
254 static
255 printif(proc, transp, prefix, arg)
256         char *proc;
257         char *transp;
258         char *prefix;
259         char *arg;
260 {
261         f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n",
262                 proc, transp, arg, prefix, arg);
263 }
264
265
266 nullproc(proc)
267         proc_list *proc;
268 {
269         for (; proc != NULL; proc = proc->next) {
270                 if (streq(proc->proc_num, "0")) {
271                         return (1);
272                 }
273         }
274         return (0);
275 }