/* * Copyright (c) 2009, Sun Microsystems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - Neither the name of Sun Microsystems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #if 0 static char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI"; #endif /* * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler * Copyright (C) 1987, Sun Microsytsems, Inc. */ #include #include #include #include "rpc_parse.h" #include "rpc_util.h" #include "rpc_output.h" /* extern pdeclaration(); */ /* void printarglist(); */ #define DEFAULT_TIMEOUT 25 /* in seconds */ static char RESULT[] = "clnt_res"; static void write_program(definition *def); static void printbody(proc_list *proc); void write_stubs(void) { list *l; definition *def; f_print(fout, "\n/* Default timeout can be changed using clnt_control() */\n"); f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n", DEFAULT_TIMEOUT); for (l = defined; l != NULL; l = l->next) { def = (definition *) l->val; if (def->def_kind == DEF_PROGRAM) { write_program(def); } } } static void write_program(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"); ptype(proc->res_prefix, proc->res_type, 1); f_print(fout, "*\n"); pvname(proc->proc_name, vp->vers_num); printarglist(proc, "clnt", "CLIENT *"); f_print(fout, "{\n"); printbody(proc); f_print(fout, "}\n"); } } } /* * Writes out declarations of procedure's argument list. * In either ANSI C style, in one of old rpcgen style (pass by reference), * or new rpcgen style (multiple arguments, pass by value); */ /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */ void printarglist(proc_list *proc, char *addargname, char *addargtype) { decl_list *l; if (!newstyle) { /* old style: always pass arg by reference */ if (Cflag) { /* C++ style heading */ f_print(fout, "("); ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); f_print(fout, "*argp, %s%s)\n", addargtype, addargname); } else { f_print(fout, "(argp, %s)\n", addargname); f_print(fout, "\t"); ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); f_print(fout, "*argp;\n"); } } else if (streq(proc->args.decls->decl.type, "void")) { /* newstyle, 0 argument */ if (Cflag) f_print(fout, "(%s%s)\n", addargtype, addargname); else f_print(fout, "(%s)\n", addargname); } else { /* new style, 1 or multiple arguments */ if (!Cflag) { f_print(fout, "("); for (l = proc->args.decls; l != NULL; l = l->next) f_print(fout, "%s, ", l->decl.name); f_print(fout, "%s)\n", addargname); for (l = proc->args.decls; l != NULL; l = l->next) { pdeclaration(proc->args.argname, &l->decl, 1, ";\n"); } } else { /* C++ style header */ f_print(fout, "("); for (l = proc->args.decls; l != NULL; l = l->next) { pdeclaration(proc->args.argname, &l->decl, 0, ", "); } f_print(fout, " %s%s)\n", addargtype, addargname); } } if (!Cflag) f_print(fout, "\t%s%s;\n", addargtype, addargname); } static char * ampr(char *type) { if (isvectordef(type, REL_ALIAS)) { return (""); } else { return ("&"); } } static void printbody(proc_list *proc) { decl_list *l; bool_t args2 = (proc->arg_num > 1); /* For new style with multiple arguments, need a structure in which * to stuff the arguments. */ if (newstyle && args2) { f_print(fout, "\t%s", proc->args.argname); f_print(fout, " arg;\n"); } f_print(fout, "\tstatic "); if (streq(proc->res_type, "void")) { f_print(fout, "char "); } else { ptype(proc->res_prefix, proc->res_type, 0); } f_print(fout, "%s;\n", RESULT); f_print(fout, "\n"); f_print(fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n", ampr(proc->res_type), RESULT, RESULT); if (newstyle && !args2 && (streq(proc->args.decls->decl.type, "void"))) { /* newstyle, 0 arguments */ f_print(fout, "\tif (clnt_call(clnt, %s, (xdrproc_t) xdr_void, (caddr_t) NULL, " "(xdrproc_t) xdr_%s, (caddr_t) %s%s, TIMEOUT) != RPC_SUCCESS) {\n", proc->proc_name, stringfix(proc->res_type), ampr(proc->res_type), RESULT); } else if (newstyle && args2) { /* newstyle, multiple arguments: stuff arguments into structure */ for (l = proc->args.decls; l != NULL; l = l->next) { f_print(fout, "\targ.%s = %s;\n", l->decl.name, l->decl.name); } f_print(fout, "\tif (clnt_call(clnt, %s, (xdrproc_t) xdr_%s, (caddr_t) &arg, " "(xdrproc_t) xdr_%s, (caddr_t) %s%s, TIMEOUT) != RPC_SUCCESS) {\n", proc->proc_name, proc->args.argname, stringfix(proc->res_type), ampr(proc->res_type), RESULT); } else { /* single argument, new or old style */ f_print(fout, "\tif (clnt_call(clnt, %s, (xdrproc_t) xdr_%s, " "(caddr_t) %s%s, (xdrproc_t) xdr_%s, (caddr_t) %s%s, TIMEOUT) != RPC_SUCCESS) {\n", proc->proc_name, stringfix(proc->args.decls->decl.type), (newstyle ? "&" : ""), (newstyle ? proc->args.decls->decl.name : "argp"), stringfix(proc->res_type), ampr(proc->res_type), RESULT); } f_print(fout, "\t\treturn (NULL);\n"); f_print(fout, "\t}\n"); if (streq(proc->res_type, "void")) { f_print(fout, "\treturn ((void *)%s%s);\n", ampr(proc->res_type), RESULT); } else { f_print(fout, "\treturn (%s%s);\n", ampr(proc->res_type), RESULT); } }