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.
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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" */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
36 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
37 * Copyright (C) 1987, Sun Microsystems, Inc.
42 #include "rpc_parse.h"
47 static char RQSTP[] = "rqstp";
49 static void write_sample_client(const char *, version_list * );
50 static void write_sample_server( definition * );
51 static void return_type( proc_list * );
54 write_sample_svc(definition *def)
57 if (def->def_kind != DEF_PROGRAM)
59 write_sample_server(def);
64 write_sample_clnt(definition *def)
69 if (def->def_kind != DEF_PROGRAM)
71 /* generate sample code for each version */
72 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
73 write_sample_client(def->def_name, vp);
81 write_sample_client(const char *program_name, version_list *vp)
87 f_print(fout, "\n\nvoid\n");
88 pvname(program_name, vp->vers_num);
89 f_print(fout, "(char *host)\n{\n");
90 f_print(fout, "\tCLIENT *clnt;\n");
93 for (proc = vp->procs; proc != NULL; proc = proc->next) {
96 f_print(fout, "enum clnt_stat retval_%d;\n\t", ++i);
97 ptype(proc->res_prefix, proc->res_type, 1);
98 f_print(fout, "result_%d;\n", i);
100 ptype(proc->res_prefix, proc->res_type, 1);
101 f_print(fout, " *result_%d;\n",++i);
103 /* print out declarations for arguments */
104 if(proc->arg_num < 2 && !newstyle) {
106 if(!streq(proc->args.decls->decl.type, "void"))
107 ptype(proc->args.decls->decl.prefix,
108 proc->args.decls->decl.type, 1);
110 f_print(fout, "char * "); /* cannot have "void" type */
112 pvname(proc->proc_name, vp->vers_num);
113 f_print(fout, "_arg;\n");
114 } else if (!streq(proc->args.decls->decl.type, "void")) {
115 for (l = proc->args.decls; l != NULL; l = l->next) {
117 ptype(l->decl.prefix, l->decl.type, 1);
118 if (strcmp(l->decl.type,"string") >= 1)
120 pvname(proc->proc_name, vp->vers_num);
121 f_print(fout, "_%s;\n", l->decl.name);
126 /* generate creation of client handle */
127 f_print(fout, "\n#ifndef\tDEBUG\n");
128 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n",
129 program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
130 f_print(fout, "\tif (clnt == (CLIENT *) NULL) {\n");
131 f_print(fout, "\t\tclnt_pcreateerror(host);\n");
132 f_print(fout, "\t\texit(1);\n\t}\n");
133 f_print(fout, "#endif\t/* DEBUG */\n\n");
135 /* generate calls to procedures */
137 for (proc = vp->procs; proc != NULL; proc = proc->next) {
139 f_print(fout, "\tretval_%d = ",++i);
141 f_print(fout, "\tresult_%d = ",++i);
142 pvname(proc->proc_name, vp->vers_num);
143 if (proc->arg_num < 2 && !newstyle) {
145 if(streq(proc->args.decls->decl.type, "void"))
147 f_print(fout, "(void *)");
149 pvname(proc->proc_name, vp->vers_num);
151 f_print(fout, "_arg, &result_%d, clnt);\n",
154 f_print(fout, "_arg, clnt);\n");
156 } else if (streq(proc->args.decls->decl.type, "void")) {
158 f_print(fout, "(&result_%d, clnt);\n", i);
160 f_print(fout, "(clnt);\n");
164 for (l = proc->args.decls; l != NULL; l = l->next) {
165 pvname(proc->proc_name, vp->vers_num);
166 f_print(fout, "_%s, ", l->decl.name);
169 f_print(fout, "&result_%d, ", i);
171 f_print(fout, "clnt);\n");
174 f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
177 f_print(fout, "\tif (result_%d == (", i);
178 ptype(proc->res_prefix, proc->res_type, 1);
179 f_print(fout, "*) NULL) {\n");
181 f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n");
182 f_print(fout, "\t}\n");
185 f_print(fout, "#ifndef\tDEBUG\n");
186 f_print(fout, "\tclnt_destroy(clnt);\n");
187 f_print(fout, "#endif\t /* DEBUG */\n");
188 f_print(fout, "}\n");
192 write_sample_server(definition *def)
197 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
198 for (proc = vp->procs; proc != NULL; proc = proc->next) {
202 f_print(fout, "*\n");
204 f_print(fout, "bool_t\n");
205 pvname_svc(proc->proc_name, vp->vers_num);
206 printarglist(proc, "result", RQSTP, "struct svc_req *");
208 f_print(fout, "{\n");
210 f_print(fout, "\tstatic ");
211 if(!streq(proc->res_type, "void"))
214 f_print(fout, "char *");
215 /* cannot have void type */
216 f_print(fout, " result;\n");
219 f_print(fout, "\tbool_t retval;\n");
221 "\n\t/*\n\t * insert server code here\n\t */\n\n");
224 if(!streq(proc->res_type, "void"))
225 f_print(fout, "\treturn (&result);\n}\n");
226 else /* cast back to void * */
227 f_print(fout, "\treturn((void *) &result);\n}\n");
229 f_print(fout, "\treturn (retval);\n}\n");
231 /* put in sample freeing routine */
233 f_print(fout, "\nint\n");
234 pvname(def->def_name, vp->vers_num);
235 f_print(fout,"_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
236 f_print(fout, "{\n");
237 f_print(fout, "\t(void) xdr_free(xdr_result, result);\n");
239 "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
240 f_print(fout, "\n}\n");
250 return_type(proc_list *plist)
252 ptype(plist->res_prefix, plist->res_type, 1);
258 f_print(fout, "/*\n");
259 f_print(fout, " * This is sample code generated by rpcgen.\n");
260 f_print(fout, " * These are only templates and you can use them\n");
261 f_print(fout, " * as a guideline for developing your own functions.\n");
262 f_print(fout, " */\n\n");
266 write_sample_clnt_main(void)
272 f_print(fout, "\n\n");
273 f_print(fout, "int\n");
274 f_print(fout, "main(int argc, char *argv[])\n{\n");
276 f_print(fout, "\tchar *host;");
277 f_print(fout, "\n\n\tif (argc < 2) {");
278 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n");
279 f_print(fout, "\t\texit(1);\n\t}");
280 f_print(fout, "\n\thost = argv[1];\n");
282 for (l = defined; l != NULL; l = l->next) {
284 if (def->def_kind != DEF_PROGRAM) {
287 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
289 pvname(def->def_name, vp->vers_num);
290 f_print(fout, "(host);\n");
293 f_print(fout, "}\n");