2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
30 #pragma ident "@(#)rpc_sample.c 1.9 94/04/25 SMI"
33 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
34 * Copyright (C) 1987, Sun Microsystems, Inc.
39 #include "rpc_parse.h"
43 static char RQSTP[] = "rqstp";
45 extern void printarglist __P(( proc_list *, char *, char *, char *));
46 static void write_sample_client __P(( char *, version_list * ));
47 static void write_sample_server __P(( definition * ));
48 static void return_type __P(( proc_list * ));
55 if (def->def_kind != DEF_PROGRAM)
57 write_sample_server(def);
62 write_sample_clnt(def)
68 if (def->def_kind != DEF_PROGRAM)
70 /* generate sample code for each version */
71 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
72 write_sample_client(def->def_name, vp);
80 write_sample_client(program_name, vp)
88 f_print(fout, "\n\nvoid\n");
89 pvname(program_name, vp->vers_num);
91 f_print(fout,"(char *host)\n{\n");
93 f_print(fout, "(host)\n\tchar *host;\n{\n");
94 f_print(fout, "\tCLIENT *clnt;\n");
97 for (proc = vp->procs; proc != NULL; proc = proc->next) {
100 f_print(fout, "enum clnt_stat retval_%d;\n\t", ++i);
101 ptype(proc->res_prefix, proc->res_type, 1);
102 f_print(fout, "result_%d;\n", i);
104 ptype(proc->res_prefix, proc->res_type, 1);
105 f_print(fout, " *result_%d;\n",++i);
107 /* print out declarations for arguments */
108 if(proc->arg_num < 2 && !newstyle) {
110 if(!streq(proc->args.decls->decl.type, "void"))
111 ptype(proc->args.decls->decl.prefix,
112 proc->args.decls->decl.type, 1);
114 f_print(fout, "char * "); /* cannot have "void" type */
116 pvname(proc->proc_name, vp->vers_num);
117 f_print(fout, "_arg;\n");
118 } else if (!streq(proc->args.decls->decl.type, "void")) {
119 for (l = proc->args.decls; l != NULL; l = l->next) {
121 ptype(l->decl.prefix, l->decl.type, 1);
122 if (strcmp(l->decl.type,"string") == 1)
124 pvname(proc->proc_name, vp->vers_num);
125 f_print(fout, "_%s;\n", l->decl.name);
130 /* generate creation of client handle */
131 f_print(fout, "\n#ifndef\tDEBUG\n");
132 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n",
133 program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
134 f_print(fout, "\tif (clnt == (CLIENT *) NULL) {\n");
135 f_print(fout, "\t\tclnt_pcreateerror(host);\n");
136 f_print(fout, "\t\texit(1);\n\t}\n");
137 f_print(fout, "#endif\t/* DEBUG */\n\n");
139 /* generate calls to procedures */
141 for (proc = vp->procs; proc != NULL; proc = proc->next) {
143 f_print(fout, "\tretval_%d = ",++i);
145 f_print(fout, "\tresult_%d = ",++i);
146 pvname(proc->proc_name, vp->vers_num);
147 if (proc->arg_num < 2 && !newstyle) {
149 if(streq(proc->args.decls->decl.type, "void"))
151 f_print(fout, "(void *)");
153 pvname(proc->proc_name, vp->vers_num);
155 f_print(fout, "_arg, &result_%d, clnt);\n",
158 f_print(fout, "_arg, clnt);\n");
160 } else if (streq(proc->args.decls->decl.type, "void")) {
162 f_print(fout, "(&result_%d, clnt);\n", i);
164 f_print(fout, "(clnt);\n");
168 for (l = proc->args.decls; l != NULL; l = l->next) {
169 pvname(proc->proc_name, vp->vers_num);
170 f_print(fout, "_%s, ", l->decl.name);
173 f_print(fout, "&result_%d, ", i);
175 f_print(fout, "clnt);\n");
178 f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
181 f_print(fout, "\tif (result_%d == (", i);
182 ptype(proc->res_prefix, proc->res_type, 1);
183 f_print(fout, "*) NULL) {\n");
185 f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n");
186 f_print(fout, "\t}\n");
189 f_print(fout, "#ifndef\tDEBUG\n");
190 f_print(fout, "\tclnt_destroy(clnt);\n");
191 f_print(fout, "#endif\t /* DEBUG */\n");
192 f_print(fout, "}\n");
196 write_sample_server(def)
202 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
203 for (proc = vp->procs; proc != NULL; proc = proc->next) {
207 f_print(fout, "*\n");
209 f_print(fout, "bool_t\n");
211 pvname_svc(proc->proc_name, vp->vers_num);
213 pvname(proc->proc_name, vp->vers_num);
214 printarglist(proc, "result", RQSTP, "struct svc_req *");
216 f_print(fout, "{\n");
218 f_print(fout, "\tstatic ");
219 if(!streq(proc->res_type, "void"))
222 f_print(fout, "char *");
223 /* cannot have void type */
224 f_print(fout, " result;\n");
227 f_print(fout, "\tbool_t retval;\n");
229 "\n\t/*\n\t * insert server code here\n\t */\n\n");
232 if(!streq(proc->res_type, "void"))
233 f_print(fout, "\treturn (&result);\n}\n");
234 else /* cast back to void * */
235 f_print(fout, "\treturn((void *) &result);\n}\n");
237 f_print(fout, "\treturn (retval);\n}\n");
239 /* put in sample freeing routine */
241 f_print(fout, "\nint\n");
242 pvname(def->def_name, vp->vers_num);
244 f_print(fout,"_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
246 f_print(fout,"_freeresult(transp, xdr_result, result)\n");
247 f_print(fout,"\tSVCXPRT *transp;\n");
248 f_print(fout,"\txdrproc_t xdr_result;\n");
249 f_print(fout,"\tcaddr_t result;\n");
251 f_print(fout, "{\n");
252 f_print(fout, "\t(void) xdr_free(xdr_result, result);\n");
254 "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
255 f_print(fout, "\n}\n");
268 ptype(plist->res_prefix, plist->res_type, 1);
274 f_print(fout, "/*\n");
275 f_print(fout, " * This is sample code generated by rpcgen.\n");
276 f_print(fout, " * These are only templates and you can use them\n");
277 f_print(fout, " * as a guideline for developing your own functions.\n");
278 f_print(fout, " */\n\n");
282 write_sample_clnt_main()
288 f_print(fout, "\n\n");
290 f_print(fout,"main(int argc, char *argv[])\n{\n");
292 f_print(fout, "main(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n");
294 f_print(fout, "\tchar *host;");
295 f_print(fout, "\n\n\tif (argc < 2) {");
296 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n");
297 f_print(fout, "\t\texit(1);\n\t}");
298 f_print(fout, "\n\thost = argv[1];\n");
300 for (l = defined; l != NULL; l = l->next) {
302 if (def->def_kind != DEF_PROGRAM) {
305 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
307 pvname(def->def_name, vp->vers_num);
308 f_print(fout, "(host);\n");
311 f_print(fout, "}\n");