rpc_sample.c revision 1.10
1 /* $NetBSD: rpc_sample.c,v 1.10 2004/06/20 22:20:16 jmc 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 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI"; 40 #else 41 __RCSID("$NetBSD: rpc_sample.c,v 1.10 2004/06/20 22:20:16 jmc Exp $"); 42 #endif 43 #endif 44 45 /* 46 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler 47 */ 48 49 #include <stdio.h> 50 #include <string.h> 51 #include "rpc_scan.h" 52 #include "rpc_parse.h" 53 #include "rpc_util.h" 54 55 static char RQSTP[] = "rqstp"; 56 57 static void write_sample_client __P((char *, version_list *)); 58 static void write_sample_server __P((definition *)); 59 static void return_type __P((proc_list *)); 60 61 void 62 write_sample_svc(def) 63 definition *def; 64 { 65 66 if (def->def_kind != DEF_PROGRAM) 67 return; 68 write_sample_server(def); 69 } 70 71 72 int 73 write_sample_clnt(def) 74 definition *def; 75 { 76 version_list *vp; 77 int count = 0; 78 79 if (def->def_kind != DEF_PROGRAM) 80 return (0); 81 /* generate sample code for each version */ 82 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 83 write_sample_client(def->def_name, vp); 84 ++count; 85 } 86 return (count); 87 } 88 89 90 static void 91 write_sample_client(program_name, vp) 92 char *program_name; 93 version_list *vp; 94 { 95 proc_list *proc; 96 decl_list *l; 97 98 f_print(fout, "\n\nvoid\n"); 99 pvname(program_name, vp->vers_num); 100 if (Cflag) 101 f_print(fout, "(char *host)\n{\n"); 102 else 103 f_print(fout, "(host)\n\tchar *host;\n{\n"); 104 f_print(fout, "\tCLIENT *clnt;\n"); 105 106 for (proc = vp->procs; proc != NULL; proc = proc->next) { 107 /* print out declarations for arguments */ 108 if (proc->arg_num < 2 && !newstyle) { 109 f_print(fout, "\t"); 110 if (streq(proc->args.decls->decl.type, "void")) 111 f_print(fout, "char "); /* cannot have "void" 112 * type */ 113 else 114 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 115 pvname(proc->proc_name, vp->vers_num); 116 f_print(fout, "_arg;\n"); 117 } else { 118 if (!streq(proc->args.decls->decl.type, "void")) { 119 for (l = proc->args.decls; l != NULL; l = l->next) { 120 f_print(fout, "\t"); 121 ptype(l->decl.prefix, l->decl.type, 1); 122 pvname(proc->proc_name, vp->vers_num); 123 f_print(fout, "_%s;\n", l->decl.name); 124 /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/ 125 } 126 } 127 } 128 /* print out declarations for results */ 129 f_print(fout, "\t"); 130 if (streq(proc->res_type, "void")) 131 f_print(fout, "char"); /* cannot have "void" 132 * type */ 133 else 134 ptype(proc->res_prefix, proc->res_type, 1); 135 if (!Mflag) 136 f_print(fout, "*"); 137 pvname(proc->proc_name, vp->vers_num); 138 f_print(fout, "_res;\n"); 139 } 140 f_print(fout, "\n"); 141 142 /* generate creation of client handle */ 143 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 144 program_name, vp->vers_name, tirpcflag ? "netpath" : "udp"); 145 f_print(fout, "\tif (clnt == NULL) {\n"); 146 f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 147 f_print(fout, "\t\texit(1);\n\t}\n"); 148 149 /* generate calls to procedures */ 150 for (proc = vp->procs; proc != NULL; proc = proc->next) { 151 if (Mflag) 152 f_print(fout, "\tif ("); 153 else { 154 f_print(fout, "\t"); 155 pvname(proc->proc_name, vp->vers_num); 156 f_print(fout, "_res = "); 157 } 158 pvname(proc->proc_name, vp->vers_num); 159 if (proc->arg_num < 2 && !newstyle) { 160 f_print(fout, "("); 161 if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */ 162 f_print(fout, "(void *)"); 163 f_print(fout, "&"); 164 pvname(proc->proc_name, vp->vers_num); 165 f_print(fout, "_arg, "); 166 } else { 167 if (streq(proc->args.decls->decl.type, "void")) { 168 f_print(fout, "(clnt);\n"); 169 } else { 170 f_print(fout, "("); 171 for (l = proc->args.decls; l != NULL; l = l->next) { 172 pvname(proc->proc_name, vp->vers_num); 173 f_print(fout, "_%s, ", l->decl.name); 174 } 175 } 176 } 177 if (Mflag) { 178 f_print(fout, "&"); 179 pvname(proc->proc_name, vp->vers_num); 180 f_print(fout, "_res, clnt) != RPC_SUCCESS)\n"); 181 } else { 182 f_print(fout, "clnt);\n"); 183 f_print(fout, "\tif ("); 184 pvname(proc->proc_name, vp->vers_num); 185 f_print(fout, "_res == NULL)\n"); 186 } 187 f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n"); 188 } 189 190 f_print(fout, "\tclnt_destroy(clnt);\n"); 191 f_print(fout, "}\n"); 192 } 193 194 static void 195 write_sample_server(def) 196 definition *def; 197 { 198 version_list *vp; 199 proc_list *proc; 200 201 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 202 for (proc = vp->procs; proc != NULL; proc = proc->next) { 203 f_print(fout, "\n"); 204 if (Mflag) 205 f_print(fout, "bool_t\n"); 206 else { 207 return_type(proc); 208 f_print(fout, "*\n"); 209 } 210 if (Cflag) 211 pvname_svc(proc->proc_name, vp->vers_num); 212 else 213 pvname(proc->proc_name, vp->vers_num); 214 printarglist(proc, "result", RQSTP, "struct svc_req *"); 215 216 f_print(fout, "{\n"); 217 if (Mflag) { 218 f_print(fout, "\tbool_t retval = TRUE;\n"); 219 } else { 220 f_print(fout, "\tstatic "); 221 if (streq(proc->res_type, "void")) 222 f_print(fout, "char "); /* cannot have void type */ 223 else 224 return_type(proc); 225 f_print(fout, "result;\n"); 226 } 227 f_print(fout, 228 "\n\t/*\n\t * insert server code here\n\t */\n\n"); 229 if (Mflag) { 230 f_print(fout, "\treturn (retval);\n"); 231 } else { 232 if (streq(proc->res_type, "void")) 233 f_print(fout, "\treturn ((void *)&result);\n"); 234 else 235 f_print(fout, "\treturn (&result);\n"); 236 } 237 f_print(fout, "}\n"); 238 } 239 } 240 } 241 242 static void 243 return_type(plist) 244 proc_list *plist; 245 { 246 ptype(plist->res_prefix, plist->res_type, 1); 247 } 248 249 void 250 add_sample_msg() 251 { 252 f_print(fout, "/*\n"); 253 f_print(fout, " * This is sample code generated by rpcgen.\n"); 254 f_print(fout, " * These are only templates and you can use them\n"); 255 f_print(fout, " * as a guideline for developing your own functions.\n"); 256 f_print(fout, " */\n\n"); 257 } 258 259 void 260 write_sample_clnt_main() 261 { 262 list *l; 263 definition *def; 264 version_list *vp; 265 266 f_print(fout, "\n\n"); 267 if (Cflag) 268 f_print(fout, "int\nmain(int argc, char *argv[])\n{\n"); 269 else 270 f_print(fout, "int\nmain(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n"); 271 272 f_print(fout, "\tchar *host;"); 273 f_print(fout, "\n\n\tif (argc < 2) {"); 274 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); 275 f_print(fout, "\t\texit(1);\n\t}"); 276 f_print(fout, "\n\thost = argv[1];\n"); 277 278 for (l = defined; l != NULL; l = l->next) { 279 def = l->val; 280 if (def->def_kind != DEF_PROGRAM) { 281 continue; 282 } 283 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 284 f_print(fout, "\t"); 285 pvname(def->def_name, vp->vers_num); 286 f_print(fout, "(host);\n"); 287 } 288 } 289 f_print(fout, "\texit(0);\n"); 290 f_print(fout, "}\n"); 291 } 292
Indexes created Sun Sep 21 14:09:52 GMT 2025