rpc_sample.c revision 1.7
1 /* $NetBSD: rpc_sample.c,v 1.7 2001/03/21 00:31:52 mycroft 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 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI"; 36 #else 37 __RCSID("$NetBSD: rpc_sample.c,v 1.7 2001/03/21 00:31:52 mycroft Exp $"); 38 #endif 39 #endif 40 41 /* 42 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler 43 */ 44 45 #include <stdio.h> 46 #include <string.h> 47 #include "rpc_scan.h" 48 #include "rpc_parse.h" 49 #include "rpc_util.h" 50 51 static char RQSTP[] = "rqstp"; 52 53 static void write_sample_client __P((char *, version_list *)); 54 static void write_sample_server __P((definition *)); 55 static void return_type __P((proc_list *)); 56 57 void 58 write_sample_svc(def) 59 definition *def; 60 { 61 62 if (def->def_kind != DEF_PROGRAM) 63 return; 64 write_sample_server(def); 65 } 66 67 68 int 69 write_sample_clnt(def) 70 definition *def; 71 { 72 version_list *vp; 73 int count = 0; 74 75 if (def->def_kind != DEF_PROGRAM) 76 return (0); 77 /* generate sample code for each version */ 78 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 79 write_sample_client(def->def_name, vp); 80 ++count; 81 } 82 return (count); 83 } 84 85 86 static void 87 write_sample_client(program_name, vp) 88 char *program_name; 89 version_list *vp; 90 { 91 proc_list *proc; 92 decl_list *l; 93 94 f_print(fout, "\n\nvoid\n"); 95 pvname(program_name, vp->vers_num); 96 if (Cflag) 97 f_print(fout, "(char *host)\n{\n"); 98 else 99 f_print(fout, "(host)\n\tchar *host;\n{\n"); 100 f_print(fout, "\tCLIENT *clnt;\n"); 101 102 for (proc = vp->procs; proc != NULL; proc = proc->next) { 103 /* print out declarations for arguments */ 104 if (proc->arg_num < 2 && !newstyle) { 105 f_print(fout, "\t"); 106 if (streq(proc->args.decls->decl.type, "void")) 107 f_print(fout, "char"); /* cannot have "void" 108 * type */ 109 else 110 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 111 pvname(proc->proc_name, vp->vers_num); 112 f_print(fout, "_arg;\n"); 113 } else { 114 if (!streq(proc->args.decls->decl.type, "void")) { 115 for (l = proc->args.decls; l != NULL; l = l->next) { 116 f_print(fout, "\t"); 117 ptype(l->decl.prefix, l->decl.type, 1); 118 f_print(fout, " "); 119 pvname(proc->proc_name, vp->vers_num); 120 f_print(fout, "_%s;\n", l->decl.name); 121 /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/ 122 } 123 } 124 } 125 /* print out declarations for results */ 126 f_print(fout, "\t"); 127 if (streq(proc->res_type, "void")) 128 f_print(fout, "char"); /* cannot have "void" 129 * type */ 130 else 131 ptype(proc->res_prefix, proc->res_type, 1); 132 if (!Mflag) 133 f_print(fout, "*"); 134 pvname(proc->proc_name, vp->vers_num); 135 f_print(fout, "_res;\n"); 136 } 137 f_print(fout, "\n"); 138 139 /* generate creation of client handle */ 140 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 141 program_name, vp->vers_name, tirpcflag ? "netpath" : "udp"); 142 f_print(fout, "\tif (clnt == NULL) {\n"); 143 f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 144 f_print(fout, "\t\texit(1);\n\t}\n"); 145 146 /* generate calls to procedures */ 147 for (proc = vp->procs; proc != NULL; proc = proc->next) { 148 if (Mflag) 149 f_print(fout, "\tif ("); 150 else { 151 f_print(fout, "\t"); 152 pvname(proc->proc_name, vp->vers_num); 153 f_print(fout, "_res = "); 154 } 155 pvname(proc->proc_name, vp->vers_num); 156 if (proc->arg_num < 2 && !newstyle) { 157 f_print(fout, "("); 158 if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */ 159 f_print(fout, "(void *)"); 160 f_print(fout, "&"); 161 pvname(proc->proc_name, vp->vers_num); 162 f_print(fout, "_arg, "); 163 } else { 164 if (streq(proc->args.decls->decl.type, "void")) { 165 f_print(fout, "(clnt);\n"); 166 } else { 167 f_print(fout, "("); 168 for (l = proc->args.decls; l != NULL; l = l->next) { 169 pvname(proc->proc_name, vp->vers_num); 170 f_print(fout, "_%s, ", l->decl.name); 171 } 172 } 173 } 174 if (Mflag) { 175 f_print(fout, "&"); 176 pvname(proc->proc_name, vp->vers_num); 177 f_print(fout, "_res, clnt) != RPC_SUCCESS)\n"); 178 } else { 179 f_print(fout, "clnt);\n"); 180 f_print(fout, "\tif ("); 181 pvname(proc->proc_name, vp->vers_num); 182 f_print(fout, "_res == NULL)\n"); 183 } 184 f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n"); 185 } 186 187 f_print(fout, "\tclnt_destroy(clnt);\n"); 188 f_print(fout, "}\n"); 189 } 190 191 static void 192 write_sample_server(def) 193 definition *def; 194 { 195 version_list *vp; 196 proc_list *proc; 197 198 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 199 for (proc = vp->procs; proc != NULL; proc = proc->next) { 200 f_print(fout, "\n"); 201 if (Mflag) 202 f_print(fout, "bool_t\n"); 203 else { 204 return_type(proc); 205 f_print(fout, "*\n"); 206 } 207 if (Cflag) 208 pvname_svc(proc->proc_name, vp->vers_num); 209 else 210 pvname(proc->proc_name, vp->vers_num); 211 printarglist(proc, "result", RQSTP, "struct svc_req *"); 212 213 f_print(fout, "{\n"); 214 if (Mflag) { 215 f_print(fout, "\tbool_t retval;\n"); 216 } else { 217 f_print(fout, "\tstatic "); 218 if (streq(proc->res_type, "void")) 219 f_print(fout, "char"); /* cannot have void type */ 220 else 221 return_type(proc); 222 f_print(fout, " result;\n"); 223 } 224 f_print(fout, 225 "\n\t/*\n\t * insert server code here\n\t */\n\n"); 226 if (Mflag) { 227 f_print(fout, "\treturn (retval);\n"); 228 } else { 229 if (streq(proc->res_type, "void")) 230 f_print(fout, "\treturn ((void *)&result);\n"); 231 else 232 f_print(fout, "\treturn (&result);\n"); 233 } 234 f_print(fout, "}\n"); 235 } 236 } 237 } 238 239 static void 240 return_type(plist) 241 proc_list *plist; 242 { 243 ptype(plist->res_prefix, plist->res_type, 1); 244 } 245 246 void 247 add_sample_msg() 248 { 249 f_print(fout, "/*\n"); 250 f_print(fout, " * This is sample code generated by rpcgen.\n"); 251 f_print(fout, " * These are only templates and you can use them\n"); 252 f_print(fout, " * as a guideline for developing your own functions.\n"); 253 f_print(fout, " */\n\n"); 254 } 255 256 void 257 write_sample_clnt_main() 258 { 259 list *l; 260 definition *def; 261 version_list *vp; 262 263 f_print(fout, "\n\n"); 264 if (Cflag) 265 f_print(fout, "int\nmain(int argc, char *argv[])\n{\n"); 266 else 267 f_print(fout, "int\nmain(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n"); 268 269 f_print(fout, "\tchar *host;"); 270 f_print(fout, "\n\n\tif (argc < 2) {"); 271 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); 272 f_print(fout, "\t\texit(1);\n\t}"); 273 f_print(fout, "\n\thost = argv[1];\n"); 274 275 for (l = defined; l != NULL; l = l->next) { 276 def = l->val; 277 if (def->def_kind != DEF_PROGRAM) { 278 continue; 279 } 280 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 281 f_print(fout, "\t"); 282 pvname(def->def_name, vp->vers_num); 283 f_print(fout, "(host);\n"); 284 } 285 } 286 f_print(fout, "\texit(0);\n"); 287 f_print(fout, "}\n"); 288 } 289
Indexes created Mon Sep 22 21:09:42 GMT 2025