rpc_sample.c revision 1.3
1 /* $NetBSD: rpc_sample.c,v 1.3 1997/10/09 15:13:21 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 #ifndef lint 33 static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI"; 34 35 #endif 36 37 /* 38 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler 39 */ 40 41 #include <sys/cdefs.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include "rpc_parse.h" 45 #include "rpc_util.h" 46 47 static char RQSTP[] = "rqstp"; 48 49 void printarglist(); 50 static write_sample_client __P((char *, version_list *)); 51 static write_sample_server __P((definition *)); 52 static return_type __P((proc_list *)); 53 54 void 55 write_sample_svc(def) 56 definition *def; 57 { 58 59 if (def->def_kind != DEF_PROGRAM) 60 return; 61 write_sample_server(def); 62 } 63 64 65 int 66 write_sample_clnt(def) 67 definition *def; 68 { 69 version_list *vp; 70 int count = 0; 71 72 if (def->def_kind != DEF_PROGRAM) 73 return( 0 ); 74 /* generate sample code for each version */ 75 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 76 write_sample_client(def->def_name, vp ); 77 ++count; 78 } 79 return( count ); 80 } 81 82 83 static 84 write_sample_client(program_name, vp ) 85 char* program_name; 86 version_list *vp; 87 { 88 proc_list *proc; 89 int i; 90 decl_list *l; 91 92 f_print(fout, "\n\nvoid\n" ); 93 pvname( program_name, vp->vers_num ); 94 if( Cflag ) 95 f_print(fout,"( char* host )\n{\n" ); 96 else 97 f_print(fout, "(host)\nchar *host;\n{\n" ); 98 f_print(fout, "\tCLIENT *clnt;\n"); 99 100 i = 0; 101 for (proc = vp->procs; proc != NULL; proc = proc->next) { 102 f_print(fout, "\t"); 103 ptype(proc->res_prefix, proc->res_type, 1); 104 f_print(fout, " *result_%d;\n",++i); 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 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 110 else 111 f_print(fout, "char* "); /* cannot have "void" type */ 112 f_print(fout, " "); 113 pvname( proc->proc_name, vp->vers_num ); 114 f_print(fout, "_arg;\n"); 115 } else if (!streq( proc->args.decls->decl.type, "void")) { 116 for (l = proc->args.decls; l != NULL; l = l->next) { 117 f_print( fout, "\t" ); 118 ptype(l->decl.prefix, l->decl.type, 1); 119 f_print( fout, " "); 120 pvname( proc->proc_name, vp->vers_num ); 121 f_print(fout, "_%s;\n", l->decl.name ); 122 /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/ 123 } 124 } 125 } 126 127 /* generate creation of client handle */ 128 f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 129 program_name, vp->vers_name, tirpcflag? "netpath" : "udp"); 130 f_print(fout, "\tif (clnt == NULL) {\n"); 131 f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 132 f_print(fout, "\t\texit(1);\n\t}\n"); 133 134 /* generate calls to procedures */ 135 i = 0; 136 for (proc = vp->procs; proc != NULL; proc = proc->next) { 137 f_print(fout, "\tresult_%d = ",++i); 138 pvname(proc->proc_name, vp->vers_num); 139 if (proc->arg_num < 2 && !newstyle) { 140 f_print(fout, "(" ); 141 if( streq( proc->args.decls->decl.type, "void") ) /* cast to void* */ 142 f_print(fout, "(void*)"); 143 f_print(fout, "&" ); 144 pvname(proc->proc_name, vp->vers_num ); 145 f_print(fout, "_arg, clnt);\n"); 146 } else if (streq( proc->args.decls->decl.type, "void")) { 147 f_print(fout, "(clnt);\n"); 148 } 149 else { 150 f_print(fout, "("); 151 for (l = proc->args.decls; l != NULL; l = l->next) { 152 pvname( proc->proc_name, vp->vers_num ); 153 f_print(fout, "_%s, ", l->decl.name); 154 } 155 f_print(fout, "clnt);\n"); 156 } 157 f_print(fout, "\tif (result_%d == NULL) {\n", i); 158 f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n"); 159 f_print(fout, "\t}\n"); 160 } 161 162 f_print(fout, "\tclnt_destroy( clnt );\n" ); 163 f_print(fout, "}\n"); 164 } 165 166 static 167 write_sample_server(def) 168 definition *def; 169 { 170 version_list *vp; 171 proc_list *proc; 172 173 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 174 for (proc = vp->procs; proc != NULL; proc = proc->next) { 175 f_print(fout, "\n"); 176 /* if( Cflag ) 177 f_print( fout, "extern \"C\"{\n"); 178 */ 179 return_type(proc); 180 f_print(fout, "*\n"); 181 if( Cflag ) 182 pvname_svc(proc->proc_name, vp->vers_num); 183 else 184 pvname(proc->proc_name, vp->vers_num); 185 printarglist( proc, RQSTP, "struct svc_req *" ); 186 187 f_print(fout, "{\n"); 188 f_print(fout, "\n\tstatic "); 189 if( !streq( proc->res_type, "void") ) 190 return_type(proc); 191 else 192 f_print(fout, "char*" ); /* cannot have void type */ 193 f_print(fout, " result;\n", proc->res_type); 194 f_print(fout, 195 "\n\t/*\n\t * insert server code here\n\t */\n\n"); 196 if( !streq( proc->res_type, "void") ) 197 f_print(fout, "\treturn(&result);\n}\n"); 198 else /* cast back to void * */ 199 f_print(fout, "\treturn((void*) &result);\n}\n"); 200 /* if( Cflag) 201 f_print( fout, "};\n"); 202 */ 203 204 } 205 } 206 } 207 208 static 209 return_type(plist) 210 proc_list *plist; 211 { 212 ptype( plist->res_prefix, plist->res_type, 1 ); 213 } 214 215 add_sample_msg() 216 { 217 f_print(fout, "/*\n"); 218 f_print(fout, " * This is sample code generated by rpcgen.\n"); 219 f_print(fout, " * These are only templates and you can use them\n"); 220 f_print(fout, " * as a guideline for developing your own functions.\n"); 221 f_print(fout, " */\n\n"); 222 } 223 224 void 225 write_sample_clnt_main() 226 { 227 list *l; 228 definition *def; 229 version_list *vp; 230 231 f_print(fout, "\n\n" ); 232 if( Cflag ) 233 f_print(fout,"main( int argc, char* argv[] )\n{\n" ); 234 else 235 f_print(fout, "main(argc, argv)\nint argc;\nchar *argv[];\n{\n" ); 236 237 f_print(fout, "\tchar *host;"); 238 f_print(fout, "\n\n\tif(argc < 2) {"); 239 f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n" ); 240 f_print(fout, "\t\texit(1);\n\t}"); 241 f_print(fout, "\n\thost = argv[1];\n"); 242 243 for (l = defined; l != NULL; l = l->next) { 244 def = l->val; 245 if (def->def_kind != DEF_PROGRAM) { 246 continue; 247 } 248 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 249 f_print( fout, "\t" ); 250 pvname(def->def_name, vp->vers_num); 251 f_print( fout, "( host );\n" ); 252 } 253 } 254 f_print(fout, "}\n"); 255 } 256
Indexes created Fri Oct 17 09:09:57 GMT 2025