rpc_sample.c revision 1.6
1 /* $NetBSD: rpc_sample.c,v 1.6 2001/03/21 00:30:39 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 1.6 2001/03/21 00:30:39 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 int i; 93 decl_list *l; 94 95 f_print(fout, "\n\nvoid\n"); 96 pvname(program_name, vp->vers_num); 97 if (Cflag) 98 f_print(fout, "(char *host)\n{\n"); 99 else 100 f_print(fout, "(host)\n\tchar *host;\n{\n"); 101 f_print(fout, "\tCLIENT *clnt;\n"); 102 103 i = 0; 104 for (proc = vp->procs; proc != NULL; proc = proc->next) { 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 f_print(fout, "char"); /* cannot have "void" 110 * type */ 111 else 112 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 113 pvname(proc->proc_name, vp->vers_num); 114 f_print(fout, "_arg;\n"); 115 } else { 116 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 /* print out declarations for results */ 128 f_print(fout, "\t"); 129 if (streq(proc->res_type, "void")) 130 f_print(fout, "char"); /* cannot have "void" 131 * type */ 132 else 133 ptype(proc->res_prefix, proc->res_type, 1); 134 if (!Mflag) 135 f_print(fout, "*"); 136 pvname(proc->proc_name, vp->vers_num); 137 f_print(fout, "_res;\n"); 138 } 139 f_print(fout, "\n"); 140 141 /* generate creation of client handle */ 142 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 143 program_name, vp->vers_name, tirpcflag ? "netpath" : "udp"); 144 f_print(fout, "\tif (clnt == NULL) {\n"); 145 f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 146 f_print(fout, "\t\texit(1);\n\t}\n"); 147 148 /* generate calls to procedures */ 149 for (proc = vp->procs; proc != NULL; proc = proc->next) { 150 if (Mflag) 151 f_print(fout, "\tif ("); 152 else { 153 f_print(fout, "\t"); 154 pvname(proc->proc_name, vp->vers_num); 155 f_print(fout, "_res = "); 156 } 157 pvname(proc->proc_name, vp->vers_num); 158 if (proc->arg_num < 2 && !newstyle) { 159 f_print(fout, "("); 160 if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */ 161 f_print(fout, "(void *)"); 162 f_print(fout, "&"); 163 pvname(proc->proc_name, vp->vers_num); 164 f_print(fout, "_arg, "); 165 } else { 166 if (streq(proc->args.decls->decl.type, "void")) { 167 f_print(fout, "(clnt);\n"); 168 } else { 169 f_print(fout, "("); 170 for (l = proc->args.decls; l != NULL; l = l->next) { 171 pvname(proc->proc_name, vp->vers_num); 172 f_print(fout, "_%s, ", l->decl.name); 173 } 174 } 175 } 176 if (Mflag) { 177 f_print(fout, "&"); 178 pvname(proc->proc_name, vp->vers_num); 179 f_print(fout, "_res, clnt) != RPC_SUCCESS)\n"); 180 } else { 181 f_print(fout, "clnt);\n"); 182 f_print(fout, "\tif ("); 183 pvname(proc->proc_name, vp->vers_num); 184 f_print(fout, "_res == NULL)\n", i); 185 } 186 f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n"); 187 } 188 189 f_print(fout, "\tclnt_destroy(clnt);\n"); 190 f_print(fout, "}\n"); 191 } 192 193 static void 194 write_sample_server(def) 195 definition *def; 196 { 197 version_list *vp; 198 proc_list *proc; 199 200 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 201 for (proc = vp->procs; proc != NULL; proc = proc->next) { 202 f_print(fout, "\n"); 203 if (Mflag) 204 f_print(fout, "bool_t\n"); 205 else { 206 return_type(proc); 207 f_print(fout, "*\n"); 208 } 209 if (Cflag) 210 pvname_svc(proc->proc_name, vp->vers_num); 211 else 212 pvname(proc->proc_name, vp->vers_num); 213 printarglist(proc, "result", RQSTP, "struct svc_req *"); 214 215 f_print(fout, "{\n"); 216 if (Mflag) { 217 f_print(fout, "\tbool_t retval;\n"); 218 } else { 219 f_print(fout, "\tstatic "); 220 if (streq(proc->res_type, "void")) 221 f_print(fout, "char"); /* cannot have void type */ 222 else 223 return_type(proc); 224 f_print(fout, " result;\n"); 225 } 226 f_print(fout, 227 "\n\t/*\n\t * insert server code here\n\t */\n\n"); 228 if (Mflag) { 229 f_print(fout, "\treturn (retval);\n"); 230 } else { 231 if (streq(proc->res_type, "void")) 232 f_print(fout, "\treturn ((void *)&result);\n"); 233 else 234 f_print(fout, "\treturn (&result);\n"); 235 } 236 f_print(fout, "}\n"); 237 } 238 } 239 } 240 241 static void 242 return_type(plist) 243 proc_list *plist; 244 { 245 ptype(plist->res_prefix, plist->res_type, 1); 246 } 247 248 void 249 add_sample_msg() 250 { 251 f_print(fout, "/*\n"); 252 f_print(fout, " * This is sample code generated by rpcgen.\n"); 253 f_print(fout, " * These are only templates and you can use them\n"); 254 f_print(fout, " * as a guideline for developing your own functions.\n"); 255 f_print(fout, " */\n\n"); 256 } 257 258 void 259 write_sample_clnt_main() 260 { 261 list *l; 262 definition *def; 263 version_list *vp; 264 265 f_print(fout, "\n\n"); 266 if (Cflag) 267 f_print(fout, "int\nmain(int argc, char *argv[])\n{\n"); 268 else 269 f_print(fout, "int\nmain(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n"); 270 271 f_print(fout, "\tchar *host;"); 272 f_print(fout, "\n\n\tif (argc < 2) {"); 273 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); 274 f_print(fout, "\t\texit(1);\n\t}"); 275 f_print(fout, "\n\thost = argv[1];\n"); 276 277 for (l = defined; l != NULL; l = l->next) { 278 def = l->val; 279 if (def->def_kind != DEF_PROGRAM) { 280 continue; 281 } 282 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 283 f_print(fout, "\t"); 284 pvname(def->def_name, vp->vers_num); 285 f_print(fout, "(host);\n"); 286 } 287 } 288 f_print(fout, "\texit(0);\n"); 289 f_print(fout, "}\n"); 290 } 291
Indexes created Tue Oct 21 08:09:48 GMT 2025