Annotation of src/usr.bin/rpcgen/rpc_sample.c, Revision 1.10
1.10 ! deraadt 1: /* $OpenBSD: rpc_sample.c,v 1.8 2001/11/24 19:17:47 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();
1.10 ! deraadt 51: static void write_sample_client __P((char *, version_list *));
! 52: static void write_sample_server __P((definition *));
! 53: static void return_type __P((proc_list *));
1.1 deraadt 54:
55: void
56: write_sample_svc(def)
57: definition *def;
58: {
59:
1.10 ! deraadt 60: if (def->def_kind != DEF_PROGRAM)
! 61: return;
1.1 deraadt 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:
1.10 ! deraadt 73: if (def->def_kind != DEF_PROGRAM)
! 74: return(0);
1.1 deraadt 75: /* generate sample code for each version */
76: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
1.10 ! deraadt 77: write_sample_client(def->def_name, vp);
! 78: ++count;
1.1 deraadt 79: }
1.10 ! deraadt 80: return(count);
1.1 deraadt 81: }
82:
83:
1.10 ! deraadt 84: static void
! 85: write_sample_client(program_name, vp)
! 86: char *program_name;
1.1 deraadt 87: version_list *vp;
88: {
89: proc_list *proc;
90: int i;
91: decl_list *l;
92:
1.10 ! deraadt 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");
1.1 deraadt 97: else
1.10 ! deraadt 98: f_print(fout, "(host)\nchar *host;\n{\n");
1.1 deraadt 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 */
1.10 ! deraadt 107: if (proc->arg_num < 2 && !newstyle) {
! 108: f_print(fout, "\t");
! 109: if (!streq(proc->args.decls->decl.type, "void"))
1.1 deraadt 110: ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
111: else
1.10 ! deraadt 112: f_print(fout, "char *"); /* cannot have "void" type */
1.1 deraadt 113: f_print(fout, " ");
1.10 ! deraadt 114: pvname(proc->proc_name, vp->vers_num);
1.1 deraadt 115: f_print(fout, "_arg;\n");
1.10 ! deraadt 116: } else if (!streq(proc->args.decls->decl.type, "void")) {
1.1 deraadt 117: for (l = proc->args.decls; l != NULL; l = l->next) {
1.10 ! deraadt 118: f_print(fout, "\t");
1.1 deraadt 119: ptype(l->decl.prefix, l->decl.type, 1);
1.10 ! deraadt 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");*/
1.1 deraadt 124: }
125: }
126: }
127:
128: /* generate creation of client handle */
1.10 ! deraadt 129: f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n",
1.1 deraadt 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) {
1.10 ! deraadt 138: f_print(fout, "\tresult_%d = ",++i);
1.1 deraadt 139: pvname(proc->proc_name, vp->vers_num);
140: if (proc->arg_num < 2 && !newstyle) {
1.10 ! deraadt 141: f_print(fout, "(");
! 142: if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */
1.1 deraadt 143: f_print(fout, "(void*)");
1.10 ! deraadt 144: f_print(fout, "&");
! 145: pvname(proc->proc_name, vp->vers_num);
1.1 deraadt 146: f_print(fout, "_arg, clnt);\n");
1.10 ! deraadt 147: } else if (streq(proc->args.decls->decl.type, "void")) {
1.1 deraadt 148: f_print(fout, "(clnt);\n");
149: }
150: else {
151: f_print(fout, "(");
152: for (l = proc->args.decls; l != NULL; l = l->next) {
1.10 ! deraadt 153: pvname(proc->proc_name, vp->vers_num);
1.1 deraadt 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:
1.10 ! deraadt 163: f_print(fout, "\tclnt_destroy(clnt);\n");
1.1 deraadt 164: f_print(fout, "}\n");
165: }
166:
1.10 ! deraadt 167: static void
1.1 deraadt 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");
1.10 ! deraadt 177: /* if (Cflag)
! 178: f_print(fout, "extern \"C\"{\n");
1.1 deraadt 179: */
180: return_type(proc);
181: f_print(fout, "* \n");
1.3 deraadt 182: pvname_svc(proc->proc_name, vp->vers_num);
1.10 ! deraadt 183: printarglist(proc, RQSTP, "struct svc_req *");
1.1 deraadt 184:
185: f_print(fout, "{\n");
186: f_print(fout, "\n\tstatic ");
1.10 ! deraadt 187: if (!streq(proc->res_type, "void"))
! 188: return_type(proc);
1.4 pvalchev 189: else
1.10 ! deraadt 190: f_print(fout, "char*"); /* cannot have void type */
1.7 miod 191: f_print(fout, " result;\n");
1.10 ! deraadt 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");
1.1 deraadt 196: else /* cast back to void * */
1.10 ! deraadt 197: f_print(fout, "\treturn((void*) &result);\n}\n");
! 198: /* if (Cflag)
! 199: f_print(fout, "}\n");
1.1 deraadt 200: */
1.10 ! deraadt 201: }
1.1 deraadt 202: }
203: }
204:
1.10 ! deraadt 205: static void
1.1 deraadt 206: return_type(plist)
207: proc_list *plist;
208: {
1.10 ! deraadt 209: ptype(plist->res_prefix, plist->res_type, 1);
1.1 deraadt 210: }
211:
1.10 ! deraadt 212: void
1.1 deraadt 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: {
1.10 ! deraadt 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");
1.1 deraadt 234:
1.10 ! deraadt 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");
1.1 deraadt 240:
1.10 ! deraadt 241: for (l = defined; l != NULL; l = l->next) {
1.1 deraadt 242: def = l->val;
1.10 ! deraadt 243: if (def->def_kind != DEF_PROGRAM)
1.1 deraadt 244: continue;
245: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
1.10 ! deraadt 246: f_print(fout, "\t");
1.1 deraadt 247: pvname(def->def_name, vp->vers_num);
1.10 ! deraadt 248: f_print(fout, "(host);\n");
1.1 deraadt 249: }
1.10 ! deraadt 250: }
! 251: f_print(fout, "}\n");
1.1 deraadt 252: }
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