1 /* $NetBSD: rpc_sample.c,v 1.13 2013/12/15 00:40:17 christos 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 1.13 2013/12/15 00:40:17 christos 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(const char *, version_list *); 58 static void write_sample_server(definition *); 59 static void return_type(proc_list *); 60 61 void 62 write_sample_svc(definition *def) 63 { 64 65 if (def->def_kind != DEF_PROGRAM) 66 return; 67 write_sample_server(def); 68 } 69 70 71 int 72 write_sample_clnt(definition *def) 73 { 74 version_list *vp; 75 int count = 0; 76 77 if (def->def_kind != DEF_PROGRAM) 78 return (0); 79 /* generate sample code for each version */ 80 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 81 write_sample_client(def->def_name, vp); 82 ++count; 83 } 84 return (count); 85 } 86 87 88 static void 89 write_sample_client(const char *program_name, 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 f_print(fout, "(char *host)\n{\n"); 97 f_print(fout, "\tCLIENT *clnt;\n"); 98 99 for (proc = vp->procs; proc != NULL; proc = proc->next) { 100 /* print out declarations for arguments */ 101 if (proc->arg_num < 2 && !newstyle) { 102 f_print(fout, "\t"); 103 if (streq(proc->args.decls->decl.type, "void")) 104 f_print(fout, "char "); /* cannot have "void" 105 * type */ 106 else 107 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 108 pvname(proc->proc_name, vp->vers_num); 109 f_print(fout, "_arg;\n"); 110 } else { 111 if (!streq(proc->args.decls->decl.type, "void")) { 112 for (l = proc->args.decls; l != NULL; l = l->next) { 113 f_print(fout, "\t"); 114 ptype(l->decl.prefix, l->decl.type, 1); 115 pvname(proc->proc_name, vp->vers_num); 116 f_print(fout, "_%s;\n", l->decl.name); 117 /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/ 118 } 119 } 120 } 121 /* print out declarations for results */ 122 f_print(fout, "\t"); 123 if (streq(proc->res_type, "void")) 124 f_print(fout, "char"); /* cannot have "void" 125 * type */ 126 else 127 ptype(proc->res_prefix, proc->res_type, 1); 128 if (!Mflag) 129 f_print(fout, "*"); 130 pvname(proc->proc_name, vp->vers_num); 131 f_print(fout, "_res;\n"); 132 } 133 f_print(fout, "\n"); 134 135 /* generate creation of client handle */ 136 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 137 program_name, vp->vers_name, tirpcflag ? "netpath" : "udp"); 138 f_print(fout, "\tif (clnt == NULL) {\n"); 139 f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 140 f_print(fout, "\t\texit(1);\n\t}\n"); 141 142 /* generate calls to procedures */ 143 for (proc = vp->procs; proc != NULL; proc = proc->next) { 144 if (Mflag) 145 f_print(fout, "\tif ("); 146 else { 147 f_print(fout, "\t"); 148 pvname(proc->proc_name, vp->vers_num); 149 f_print(fout, "_res = "); 150 } 151 pvname(proc->proc_name, vp->vers_num); 152 if (proc->arg_num < 2 && !newstyle) { 153 f_print(fout, "("); 154 if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */ 155 f_print(fout, "(void *)"); 156 f_print(fout, "&"); 157 pvname(proc->proc_name, vp->vers_num); 158 f_print(fout, "_arg, "); 159 } else { 160 if (streq(proc->args.decls->decl.type, "void")) { 161 f_print(fout, "(clnt);\n"); 162 } else { 163 f_print(fout, "("); 164 for (l = proc->args.decls; l != NULL; l = l->next) { 165 pvname(proc->proc_name, vp->vers_num); 166 f_print(fout, "_%s, ", l->decl.name); 167 } 168 } 169 } 170 if (Mflag) { 171 f_print(fout, "&"); 172 pvname(proc->proc_name, vp->vers_num); 173 f_print(fout, "_res, clnt) != RPC_SUCCESS)\n"); 174 } else { 175 f_print(fout, "clnt);\n"); 176 f_print(fout, "\tif ("); 177 pvname(proc->proc_name, vp->vers_num); 178 f_print(fout, "_res == NULL)\n"); 179 } 180 f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n"); 181 } 182 183 f_print(fout, "\tclnt_destroy(clnt);\n"); 184 f_print(fout, "}\n"); 185 } 186 187 static void 188 write_sample_server(definition *def) 189 { 190 version_list *vp; 191 proc_list *proc; 192 193 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 194 for (proc = vp->procs; proc != NULL; proc = proc->next) { 195 f_print(fout, "\n"); 196 if (Mflag) 197 f_print(fout, "bool_t\n"); 198 else { 199 return_type(proc); 200 f_print(fout, "*\n"); 201 } 202 pvname_svc(proc->proc_name, vp->vers_num); 203 printarglist(proc, "result", RQSTP, "struct svc_req *"); 204 205 f_print(fout, "{\n"); 206 if (Mflag) { 207 f_print(fout, "\tbool_t retval = TRUE;\n"); 208 } else { 209 f_print(fout, "\tstatic "); 210 if (streq(proc->res_type, "void")) 211 f_print(fout, "char "); /* cannot have void type */ 212 else 213 return_type(proc); 214 f_print(fout, "result;\n"); 215 } 216 f_print(fout, 217 "\n\t/*\n\t * insert server code here\n\t */\n\n"); 218 if (Mflag) { 219 f_print(fout, "\treturn (retval);\n"); 220 } else { 221 if (streq(proc->res_type, "void")) 222 f_print(fout, "\treturn ((void *)&result);\n"); 223 else 224 f_print(fout, "\treturn (&result);\n"); 225 } 226 f_print(fout, "}\n"); 227 } 228 } 229 } 230 231 static void 232 return_type(proc_list *plist) 233 { 234 ptype(plist->res_prefix, plist->res_type, 1); 235 } 236 237 void 238 add_sample_msg(void) 239 { 240 f_print(fout, "/*\n"); 241 f_print(fout, " * This is sample code generated by rpcgen.\n"); 242 f_print(fout, " * These are only templates and you can use them\n"); 243 f_print(fout, " * as a guideline for developing your own functions.\n"); 244 f_print(fout, " */\n\n"); 245 } 246 247 void 248 write_sample_clnt_main(void) 249 { 250 list *l; 251 definition *def; 252 version_list *vp; 253 254 f_print(fout, "\n\n"); 255 f_print(fout, "int\nmain(int argc, char *argv[])\n{\n"); 256 f_print(fout, "\tchar *host;"); 257 f_print(fout, "\n\n\tif (argc < 2) {"); 258 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); 259 f_print(fout, "\t\texit(1);\n\t}"); 260 f_print(fout, "\n\thost = argv[1];\n"); 261 262 for (l = defined; l != NULL; l = l->next) { 263 def = l->val; 264 if (def->def_kind != DEF_PROGRAM) { 265 continue; 266 } 267 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 268 f_print(fout, "\t"); 269 pvname(def->def_name, vp->vers_num); 270 f_print(fout, "(host);\n"); 271 } 272 } 273 f_print(fout, "\texit(0);\n"); 274 f_print(fout, "}\n"); 275 } 276
Indexes created Sat Sep 20 22:09:52 GMT 2025