/* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 * $DragonFly: src/usr.bin/rpcgen/rpc_sample.c,v 1.3 2003/11/03 19:31:32 eirikn Exp $ */ #pragma ident "@(#)rpc_sample.c 1.9 94/04/25 SMI" /* * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler * Copyright (C) 1987, Sun Microsystems, Inc. */ #include #include #include "rpc_parse.h" #include "rpc_util.h" static char RQSTP[] = "rqstp"; extern void printarglist( proc_list *, char *, char *, char *); static void write_sample_client( char *, version_list * ); static void write_sample_server( definition * ); static void return_type( proc_list * ); void write_sample_svc(def) definition *def; { if (def->def_kind != DEF_PROGRAM) return; write_sample_server(def); } int write_sample_clnt(def) definition *def; { version_list *vp; int count = 0; if (def->def_kind != DEF_PROGRAM) return(0); /* generate sample code for each version */ for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { write_sample_client(def->def_name, vp); ++count; } return(count); } static void write_sample_client(program_name, vp) char *program_name; version_list *vp; { proc_list *proc; int i; decl_list *l; f_print(fout, "\n\nvoid\n"); pvname(program_name, vp->vers_num); if(Cflag) f_print(fout,"(char *host)\n{\n"); else f_print(fout, "(host)\n\tchar *host;\n{\n"); f_print(fout, "\tCLIENT *clnt;\n"); i = 0; for (proc = vp->procs; proc != NULL; proc = proc->next) { f_print(fout, "\t"); if (mtflag) { f_print(fout, "enum clnt_stat retval_%d;\n\t", ++i); ptype(proc->res_prefix, proc->res_type, 1); f_print(fout, "result_%d;\n", i); } else { ptype(proc->res_prefix, proc->res_type, 1); f_print(fout, " *result_%d;\n",++i); } /* print out declarations for arguments */ if(proc->arg_num < 2 && !newstyle) { f_print(fout, "\t"); if(!streq(proc->args.decls->decl.type, "void")) ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); else f_print(fout, "char * "); /* cannot have "void" type */ f_print(fout, " "); pvname(proc->proc_name, vp->vers_num); f_print(fout, "_arg;\n"); } else if (!streq(proc->args.decls->decl.type, "void")) { for (l = proc->args.decls; l != NULL; l = l->next) { f_print(fout, "\t"); ptype(l->decl.prefix, l->decl.type, 1); if (strcmp(l->decl.type,"string") == 1) f_print(fout, " "); pvname(proc->proc_name, vp->vers_num); f_print(fout, "_%s;\n", l->decl.name); } } } /* generate creation of client handle */ f_print(fout, "\n#ifndef\tDEBUG\n"); f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", program_name, vp->vers_name, tirpcflag? "netpath" : "udp"); f_print(fout, "\tif (clnt == (CLIENT *) NULL) {\n"); f_print(fout, "\t\tclnt_pcreateerror(host);\n"); f_print(fout, "\t\texit(1);\n\t}\n"); f_print(fout, "#endif\t/* DEBUG */\n\n"); /* generate calls to procedures */ i = 0; for (proc = vp->procs; proc != NULL; proc = proc->next) { if (mtflag) f_print(fout, "\tretval_%d = ",++i); else f_print(fout, "\tresult_%d = ",++i); pvname(proc->proc_name, vp->vers_num); if (proc->arg_num < 2 && !newstyle) { f_print(fout, "("); if(streq(proc->args.decls->decl.type, "void")) /* cast to void * */ f_print(fout, "(void *)"); f_print(fout, "&"); pvname(proc->proc_name, vp->vers_num); if (mtflag) f_print(fout, "_arg, &result_%d, clnt);\n", i); else f_print(fout, "_arg, clnt);\n"); } else if (streq(proc->args.decls->decl.type, "void")) { if (mtflag) f_print(fout, "(&result_%d, clnt);\n", i); else f_print(fout, "(clnt);\n"); } else { f_print(fout, "("); for (l = proc->args.decls; l != NULL; l = l->next) { pvname(proc->proc_name, vp->vers_num); f_print(fout, "_%s, ", l->decl.name); } if (mtflag) f_print(fout, "&result_%d, ", i); f_print(fout, "clnt);\n"); } if (mtflag) { f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i); } else { f_print(fout, "\tif (result_%d == (", i); ptype(proc->res_prefix, proc->res_type, 1); f_print(fout, "*) NULL) {\n"); } f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n"); f_print(fout, "\t}\n"); } f_print(fout, "#ifndef\tDEBUG\n"); f_print(fout, "\tclnt_destroy(clnt);\n"); f_print(fout, "#endif\t /* DEBUG */\n"); f_print(fout, "}\n"); } static void write_sample_server(def) definition *def; { version_list *vp; proc_list *proc; for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { for (proc = vp->procs; proc != NULL; proc = proc->next) { f_print(fout, "\n"); if (!mtflag) { return_type(proc); f_print(fout, "*\n"); } else f_print(fout, "bool_t\n"); if (Cflag || mtflag) pvname_svc(proc->proc_name, vp->vers_num); else pvname(proc->proc_name, vp->vers_num); printarglist(proc, "result", RQSTP, "struct svc_req *"); f_print(fout, "{\n"); if (!mtflag) { f_print(fout, "\tstatic "); if(!streq(proc->res_type, "void")) return_type(proc); else f_print(fout, "char *"); /* cannot have void type */ f_print(fout, " result;\n"); } else f_print(fout, "\tbool_t retval;\n"); f_print(fout, "\n\t/*\n\t * insert server code here\n\t */\n\n"); if (!mtflag) if(!streq(proc->res_type, "void")) f_print(fout, "\treturn (&result);\n}\n"); else /* cast back to void * */ f_print(fout, "\treturn((void *) &result);\n}\n"); else f_print(fout, "\treturn (retval);\n}\n"); } /* put in sample freeing routine */ if (mtflag) { f_print(fout, "\nint\n"); pvname(def->def_name, vp->vers_num); if (Cflag) f_print(fout,"_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n"); else { f_print(fout,"_freeresult(transp, xdr_result, result)\n"); f_print(fout,"\tSVCXPRT *transp;\n"); f_print(fout,"\txdrproc_t xdr_result;\n"); f_print(fout,"\tcaddr_t result;\n"); } f_print(fout, "{\n"); f_print(fout, "\t(void) xdr_free(xdr_result, result);\n"); f_print(fout, "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n"); f_print(fout, "\n}\n"); } } } static void return_type(plist) proc_list *plist; { ptype(plist->res_prefix, plist->res_type, 1); } void add_sample_msg() { f_print(fout, "/*\n"); f_print(fout, " * This is sample code generated by rpcgen.\n"); f_print(fout, " * These are only templates and you can use them\n"); f_print(fout, " * as a guideline for developing your own functions.\n"); f_print(fout, " */\n\n"); } void write_sample_clnt_main() { list *l; definition *def; version_list *vp; f_print(fout, "\n\n"); if(Cflag) f_print(fout,"main(int argc, char *argv[])\n{\n"); else f_print(fout, "main(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n"); f_print(fout, "\tchar *host;"); f_print(fout, "\n\n\tif (argc < 2) {"); f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); f_print(fout, "\t\texit(1);\n\t}"); f_print(fout, "\n\thost = argv[1];\n"); for (l = defined; l != NULL; l = l->next) { def = l->val; if (def->def_kind != DEF_PROGRAM) { continue; } for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { f_print(fout, "\t"); pvname(def->def_name, vp->vers_num); f_print(fout, "(host);\n"); } } f_print(fout, "}\n"); }