Annotation of src/usr.bin/rpcgen/rpc_sample.c, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: rpc_sample.c,v 1.2 1995/06/11 21:50:01 pk Exp $ */
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 or with the express written consent of
9: * Sun Microsystems, Inc.
10: *
11: * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12: * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13: * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14: *
15: * Sun RPC is provided with no support and without any obligation on the
16: * part of Sun Microsystems, Inc. to assist in its use, correction,
17: * modification or enhancement.
18: *
19: * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20: * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21: * OR ANY PART THEREOF.
22: *
23: * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24: * or profits or other special, indirect and consequential damages, even if
25: * Sun has been advised of the possibility of such damages.
26: *
27: * Sun Microsystems, Inc.
28: * 2550 Garcia Avenue
29: * Mountain View, California 94043
30: */
31:
32: #ifndef lint
33: static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI";
34:
35: #endif
36:
37: /*
38: * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
39: */
40:
41: #include <sys/cdefs.h>
42: #include <stdio.h>
43: #include <string.h>
44: #include "rpc_parse.h"
45: #include "rpc_util.h"
46:
47: static char RQSTP[] = "rqstp";
48:
49: void printarglist();
50: static write_sample_client __P((char *, version_list *));
51: static write_sample_server __P((definition *));
52: static return_type __P((proc_list *));
53:
54: void
55: write_sample_svc(def)
56: definition *def;
57: {
58:
59: if (def->def_kind != DEF_PROGRAM)
60: return;
61: write_sample_server(def);
62: }
63:
64:
65: int
66: write_sample_clnt(def)
67: definition *def;
68: {
69: version_list *vp;
70: int count = 0;
71:
72: if (def->def_kind != DEF_PROGRAM)
73: return( 0 );
74: /* generate sample code for each version */
75: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
76: write_sample_client(def->def_name, vp );
77: ++count;
78: }
79: return( count );
80: }
81:
82:
83: static
84: write_sample_client(program_name, vp )
85: char* program_name;
86: version_list *vp;
87: {
88: proc_list *proc;
89: int i;
90: decl_list *l;
91:
92: f_print(fout, "\n\nvoid\n" );
93: pvname( program_name, vp->vers_num );
94: if( Cflag )
95: f_print(fout,"( char* host )\n{\n" );
96: else
97: f_print(fout, "(host)\nchar *host;\n{\n" );
98: f_print(fout, "\tCLIENT *clnt;\n");
99:
100: i = 0;
101: for (proc = vp->procs; proc != NULL; proc = proc->next) {
102: f_print(fout, "\t");
103: ptype(proc->res_prefix, proc->res_type, 1);
104: f_print(fout, " *result_%d;\n",++i);
105: /* print out declarations for arguments */
106: if( proc->arg_num < 2 && !newstyle) {
107: f_print( fout, "\t" );
108: if( !streq( proc->args.decls->decl.type, "void") )
109: ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
110: else
111: f_print(fout, "char* "); /* cannot have "void" type */
112: f_print(fout, " ");
113: pvname( proc->proc_name, vp->vers_num );
114: f_print(fout, "_arg;\n");
115: } else if (!streq( proc->args.decls->decl.type, "void")) {
116: for (l = proc->args.decls; l != NULL; l = l->next) {
117: f_print( fout, "\t" );
118: ptype(l->decl.prefix, l->decl.type, 1);
119: f_print( fout, " ");
120: pvname( proc->proc_name, vp->vers_num );
121: f_print(fout, "_%s;\n", l->decl.name );
122: /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/
123: }
124: }
125: }
126:
127: /* generate creation of client handle */
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 == NULL) {\n");
131: f_print(fout, "\t\tclnt_pcreateerror(host);\n");
132: f_print(fout, "\t\texit(1);\n\t}\n");
133:
134: /* generate calls to procedures */
135: i = 0;
136: for (proc = vp->procs; proc != NULL; proc = proc->next) {
137: f_print(fout, "\tresult_%d = ",++i);
138: pvname(proc->proc_name, vp->vers_num);
139: if (proc->arg_num < 2 && !newstyle) {
140: f_print(fout, "(" );
141: if( streq( proc->args.decls->decl.type, "void") ) /* cast to void* */
142: f_print(fout, "(void*)");
143: f_print(fout, "&" );
144: pvname(proc->proc_name, vp->vers_num );
145: f_print(fout, "_arg, clnt);\n");
146: } else if (streq( proc->args.decls->decl.type, "void")) {
147: f_print(fout, "(clnt);\n");
148: }
149: else {
150: f_print(fout, "(");
151: for (l = proc->args.decls; l != NULL; l = l->next) {
152: pvname( proc->proc_name, vp->vers_num );
153: f_print(fout, "_%s, ", l->decl.name);
154: }
155: f_print(fout, "clnt);\n");
156: }
157: f_print(fout, "\tif (result_%d == NULL) {\n", i);
158: f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n");
159: f_print(fout, "\t}\n");
160: }
161:
162: f_print(fout, "\tclnt_destroy( clnt );\n" );
163: f_print(fout, "}\n");
164: }
165:
166: static
167: write_sample_server(def)
168: definition *def;
169: {
170: version_list *vp;
171: proc_list *proc;
172:
173: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
174: for (proc = vp->procs; proc != NULL; proc = proc->next) {
175: f_print(fout, "\n");
176: /* if( Cflag )
177: f_print( fout, "extern \"C\"{\n");
178: */
179: return_type(proc);
180: f_print(fout, "* \n");
181: if( Cflag )
182: pvname_svc(proc->proc_name, vp->vers_num);
183: else
184: pvname(proc->proc_name, vp->vers_num);
185: printarglist( proc, RQSTP, "struct svc_req *" );
186:
187: f_print(fout, "{\n");
188: f_print(fout, "\n\tstatic ");
189: if( !streq( proc->res_type, "void") )
190: return_type(proc);
191: else
192: f_print(fout, "char*" ); /* cannot have void type */
193: f_print(fout, " result;\n", proc->res_type);
194: f_print(fout,
195: "\n\t/*\n\t * insert server code here\n\t */\n\n");
196: if( !streq( proc->res_type, "void") )
197: f_print(fout, "\treturn(&result);\n}\n");
198: else /* cast back to void * */
199: f_print(fout, "\treturn((void*) &result);\n}\n");
200: /* if( Cflag)
201: f_print( fout, "};\n");
202: */
203:
204: }
205: }
206: }
207:
208: static
209: return_type(plist)
210: proc_list *plist;
211: {
212: ptype( plist->res_prefix, plist->res_type, 1 );
213: }
214:
215: add_sample_msg()
216: {
217: f_print(fout, "/*\n");
218: f_print(fout, " * This is sample code generated by rpcgen.\n");
219: f_print(fout, " * These are only templates and you can use them\n");
220: f_print(fout, " * as a guideline for developing your own functions.\n");
221: f_print(fout, " */\n\n");
222: }
223:
224: void
225: write_sample_clnt_main()
226: {
227: list *l;
228: definition *def;
229: version_list *vp;
230:
231: f_print(fout, "\n\n" );
232: if( Cflag )
233: f_print(fout,"main( int argc, char* argv[] )\n{\n" );
234: else
235: f_print(fout, "main(argc, argv)\nint argc;\nchar *argv[];\n{\n" );
236:
237: f_print(fout, "\tchar *host;");
238: f_print(fout, "\n\n\tif(argc < 2) {");
239: f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n" );
240: f_print(fout, "\t\texit(1);\n\t}");
241: f_print(fout, "\n\thost = argv[1];\n");
242:
243: for (l = defined; l != NULL; l = l->next) {
244: def = l->val;
245: if (def->def_kind != DEF_PROGRAM) {
246: continue;
247: }
248: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
249: f_print( fout, "\t" );
250: pvname(def->def_name, vp->vers_num);
251: f_print( fout, "( host );\n" );
252: }
253: }
254: f_print(fout, "}\n");
255: }
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