Annotation of src/usr.bin/rpcgen/rpc_sample.c, Revision 1.3
1.3 ! deraadt 1: /* $OpenBSD: rpc_sample.c,v 1.2 1996/06/26 05:38:38 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: rpc_sample.c,v 1.2 1995/06/11 21:50:01 pk Exp $ */
3: /*
4: * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5: * unrestricted use provided that this legend is included on all tape
6: * media and as a part of the software program in whole or part. Users
7: * may copy or modify Sun RPC without charge, but are not authorized
8: * to license or distribute it to anyone else except as part of a product or
9: * program developed by the user or with the express written consent of
10: * Sun Microsystems, Inc.
11: *
12: * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
13: * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
14: * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
15: *
16: * Sun RPC is provided with no support and without any obligation on the
17: * part of Sun Microsystems, Inc. to assist in its use, correction,
18: * modification or enhancement.
19: *
20: * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
21: * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
22: * OR ANY PART THEREOF.
23: *
24: * In no event will Sun Microsystems, Inc. be liable for any lost revenue
25: * or profits or other special, indirect and consequential damages, even if
26: * Sun has been advised of the possibility of such damages.
27: *
28: * Sun Microsystems, Inc.
29: * 2550 Garcia Avenue
30: * Mountain View, California 94043
31: */
32:
33: #ifndef lint
34: static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI";
35:
36: #endif
37:
38: /*
39: * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
40: */
41:
42: #include <sys/cdefs.h>
43: #include <stdio.h>
44: #include <string.h>
45: #include "rpc_parse.h"
46: #include "rpc_util.h"
47:
48: static char RQSTP[] = "rqstp";
49:
50: void printarglist();
51: static write_sample_client __P((char *, version_list *));
52: static write_sample_server __P((definition *));
53: static return_type __P((proc_list *));
54:
55: void
56: write_sample_svc(def)
57: definition *def;
58: {
59:
60: if (def->def_kind != DEF_PROGRAM)
61: return;
62: write_sample_server(def);
63: }
64:
65:
66: int
67: write_sample_clnt(def)
68: definition *def;
69: {
70: version_list *vp;
71: int count = 0;
72:
73: if (def->def_kind != DEF_PROGRAM)
74: return( 0 );
75: /* generate sample code for each version */
76: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
77: write_sample_client(def->def_name, vp );
78: ++count;
79: }
80: return( count );
81: }
82:
83:
84: static
85: write_sample_client(program_name, vp )
86: char* program_name;
87: version_list *vp;
88: {
89: proc_list *proc;
90: int i;
91: decl_list *l;
92:
93: f_print(fout, "\n\nvoid\n" );
94: pvname( program_name, vp->vers_num );
95: if( Cflag )
96: f_print(fout,"( char* host )\n{\n" );
97: else
98: f_print(fout, "(host)\nchar *host;\n{\n" );
99: f_print(fout, "\tCLIENT *clnt;\n");
100:
101: i = 0;
102: for (proc = vp->procs; proc != NULL; proc = proc->next) {
103: f_print(fout, "\t");
104: ptype(proc->res_prefix, proc->res_type, 1);
105: f_print(fout, " *result_%d;\n",++i);
106: /* print out declarations for arguments */
107: if( proc->arg_num < 2 && !newstyle) {
108: f_print( fout, "\t" );
109: if( !streq( proc->args.decls->decl.type, "void") )
110: ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
111: else
112: f_print(fout, "char* "); /* cannot have "void" type */
113: f_print(fout, " ");
114: pvname( proc->proc_name, vp->vers_num );
115: f_print(fout, "_arg;\n");
116: } else if (!streq( proc->args.decls->decl.type, "void")) {
117: for (l = proc->args.decls; l != NULL; l = l->next) {
118: f_print( fout, "\t" );
119: ptype(l->decl.prefix, l->decl.type, 1);
120: f_print( fout, " ");
121: pvname( proc->proc_name, vp->vers_num );
122: f_print(fout, "_%s;\n", l->decl.name );
123: /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/
124: }
125: }
126: }
127:
128: /* generate creation of client handle */
129: f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n",
130: program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
131: f_print(fout, "\tif (clnt == NULL) {\n");
132: f_print(fout, "\t\tclnt_pcreateerror(host);\n");
133: f_print(fout, "\t\texit(1);\n\t}\n");
134:
135: /* generate calls to procedures */
136: i = 0;
137: for (proc = vp->procs; proc != NULL; proc = proc->next) {
138: f_print(fout, "\tresult_%d = ",++i);
139: pvname(proc->proc_name, vp->vers_num);
140: if (proc->arg_num < 2 && !newstyle) {
141: f_print(fout, "(" );
142: if( streq( proc->args.decls->decl.type, "void") ) /* cast to void* */
143: f_print(fout, "(void*)");
144: f_print(fout, "&" );
145: pvname(proc->proc_name, vp->vers_num );
146: f_print(fout, "_arg, clnt);\n");
147: } else if (streq( proc->args.decls->decl.type, "void")) {
148: f_print(fout, "(clnt);\n");
149: }
150: else {
151: f_print(fout, "(");
152: for (l = proc->args.decls; l != NULL; l = l->next) {
153: pvname( proc->proc_name, vp->vers_num );
154: f_print(fout, "_%s, ", l->decl.name);
155: }
156: f_print(fout, "clnt);\n");
157: }
158: f_print(fout, "\tif (result_%d == NULL) {\n", i);
159: f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n");
160: f_print(fout, "\t}\n");
161: }
162:
163: f_print(fout, "\tclnt_destroy( clnt );\n" );
164: f_print(fout, "}\n");
165: }
166:
167: static
168: write_sample_server(def)
169: definition *def;
170: {
171: version_list *vp;
172: proc_list *proc;
173:
174: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
175: for (proc = vp->procs; proc != NULL; proc = proc->next) {
176: f_print(fout, "\n");
177: /* if( Cflag )
178: f_print( fout, "extern \"C\"{\n");
179: */
180: return_type(proc);
181: f_print(fout, "* \n");
1.3 ! deraadt 182: pvname_svc(proc->proc_name, vp->vers_num);
1.1 deraadt 183: printarglist( proc, RQSTP, "struct svc_req *" );
184:
185: f_print(fout, "{\n");
186: f_print(fout, "\n\tstatic ");
187: if( !streq( proc->res_type, "void") )
188: return_type(proc);
189: else
190: f_print(fout, "char*" ); /* cannot have void type */
191: f_print(fout, " result;\n", proc->res_type);
192: f_print(fout,
193: "\n\t/*\n\t * insert server code here\n\t */\n\n");
194: if( !streq( proc->res_type, "void") )
195: f_print(fout, "\treturn(&result);\n}\n");
196: else /* cast back to void * */
197: f_print(fout, "\treturn((void*) &result);\n}\n");
198: /* if( Cflag)
199: f_print( fout, "};\n");
200: */
201:
202: }
203: }
204: }
205:
206: static
207: return_type(plist)
208: proc_list *plist;
209: {
210: ptype( plist->res_prefix, plist->res_type, 1 );
211: }
212:
213: add_sample_msg()
214: {
215: f_print(fout, "/*\n");
216: f_print(fout, " * This is sample code generated by rpcgen.\n");
217: f_print(fout, " * These are only templates and you can use them\n");
218: f_print(fout, " * as a guideline for developing your own functions.\n");
219: f_print(fout, " */\n\n");
220: }
221:
222: void
223: write_sample_clnt_main()
224: {
225: list *l;
226: definition *def;
227: version_list *vp;
228:
229: f_print(fout, "\n\n" );
230: if( Cflag )
231: f_print(fout,"main( int argc, char* argv[] )\n{\n" );
232: else
233: f_print(fout, "main(argc, argv)\nint argc;\nchar *argv[];\n{\n" );
234:
235: f_print(fout, "\tchar *host;");
236: f_print(fout, "\n\n\tif(argc < 2) {");
237: f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n" );
238: f_print(fout, "\t\texit(1);\n\t}");
239: f_print(fout, "\n\thost = argv[1];\n");
240:
241: for (l = defined; l != NULL; l = l->next) {
242: def = l->val;
243: if (def->def_kind != DEF_PROGRAM) {
244: continue;
245: }
246: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
247: f_print( fout, "\t" );
248: pvname(def->def_name, vp->vers_num);
249: f_print( fout, "( host );\n" );
250: }
251: }
252: f_print(fout, "}\n");
253: }
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