rpc_clntout.c revision 92921
11897Swollman/* 21897Swollman * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 31897Swollman * unrestricted use provided that this legend is included on all tape 41897Swollman * media and as a part of the software program in whole or part. Users 51897Swollman * may copy or modify Sun RPC without charge, but are not authorized 61897Swollman * to license or distribute it to anyone else except as part of a product or 71897Swollman * program developed by the user. 812798Swpaul * 91897Swollman * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 101897Swollman * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 111897Swollman * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 1212798Swpaul * 131897Swollman * Sun RPC is provided with no support and without any obligation on the 141897Swollman * part of Sun Microsystems, Inc. to assist in its use, correction, 151897Swollman * modification or enhancement. 1612798Swpaul * 171897Swollman * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 181897Swollman * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 191897Swollman * OR ANY PART THEREOF. 2012798Swpaul * 211897Swollman * In no event will Sun Microsystems, Inc. be liable for any lost revenue 221897Swollman * or profits or other special, indirect and consequential damages, even if 231897Swollman * Sun has been advised of the possibility of such damages. 2412798Swpaul * 251897Swollman * Sun Microsystems, Inc. 261897Swollman * 2550 Garcia Avenue 271897Swollman * Mountain View, California 94043 2892921Simp * 2992921Simp * $FreeBSD: head/usr.bin/rpcgen/rpc_clntout.c 92921 2002-03-22 01:33:25Z imp $ 301897Swollman */ 3112798Swpaul 3212798Swpaul#ident "@(#)rpc_clntout.c 1.15 94/04/25 SMI" 3312798Swpaul 341897Swollman#ifndef lint 3512798Swpaulstatic char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI"; 361897Swollman#endif 371897Swollman 381897Swollman/* 391897Swollman * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler 401897Swollman * Copyright (C) 1987, Sun Microsytsems, Inc. 411897Swollman */ 421897Swollman#include <stdio.h> 4312798Swpaul#include <string.h> 4412798Swpaul#include <rpc/types.h> 451897Swollman#include "rpc_parse.h" 461897Swollman#include "rpc_util.h" 471897Swollman 4892921Simpextern void pdeclaration( char *, declaration *, int, char * ); 4992921Simpvoid printarglist( proc_list *, char *, char *, char *); 5092921Simpstatic void write_program( definition * ); 5192921Simpstatic void printbody( proc_list * ); 5212798Swpaul 5312798Swpaulstatic char RESULT[] = "clnt_res"; 5412798Swpaul 5512798Swpaul 561897Swollman#define DEFAULT_TIMEOUT 25 /* in seconds */ 571897Swollman 581897Swollman 591897Swollmanvoid 601897Swollmanwrite_stubs() 611897Swollman{ 621897Swollman list *l; 631897Swollman definition *def; 641897Swollman 6512798Swpaul f_print(fout, 6612798Swpaul "\n/* Default timeout can be changed using clnt_control() */\n"); 6712798Swpaul f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n", 681897Swollman DEFAULT_TIMEOUT); 691897Swollman for (l = defined; l != NULL; l = l->next) { 701897Swollman def = (definition *) l->val; 711897Swollman if (def->def_kind == DEF_PROGRAM) { 721897Swollman write_program(def); 731897Swollman } 741897Swollman } 751897Swollman} 761897Swollman 7717142Sjkhstatic void 781897Swollmanwrite_program(def) 791897Swollman definition *def; 801897Swollman{ 811897Swollman version_list *vp; 821897Swollman proc_list *proc; 831897Swollman 841897Swollman for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 851897Swollman for (proc = vp->procs; proc != NULL; proc = proc->next) { 861897Swollman f_print(fout, "\n"); 8712798Swpaul if (mtflag == 0) { 8812798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 8912798Swpaul f_print(fout, "*\n"); 9012798Swpaul pvname(proc->proc_name, vp->vers_num); 9112798Swpaul printarglist(proc, RESULT, "clnt", "CLIENT *"); 9212798Swpaul } else { 9312798Swpaul f_print(fout, "enum clnt_stat \n"); 9412798Swpaul pvname(proc->proc_name, vp->vers_num); 9512798Swpaul printarglist(proc, RESULT, "clnt", "CLIENT *"); 9612798Swpaul 9712798Swpaul } 981897Swollman f_print(fout, "{\n"); 991897Swollman printbody(proc); 10012798Swpaul 10112798Swpaul f_print(fout, "}\n"); 1021897Swollman } 1031897Swollman } 1041897Swollman} 1051897Swollman 10612798Swpaul/* 10712798Swpaul * Writes out declarations of procedure's argument list. 10812798Swpaul * In either ANSI C style, in one of old rpcgen style (pass by reference), 10912798Swpaul * or new rpcgen style (multiple arguments, pass by value); 11012798Swpaul */ 11112798Swpaul 11212798Swpaul/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */ 11312798Swpaul 11412798Swpaulvoid printarglist(proc, result, addargname, addargtype) 11512798Swpaul proc_list *proc; 11612798Swpaul char *result; 11712798Swpaul char* addargname, * addargtype; 11812798Swpaul{ 11912798Swpaul 12012798Swpaul decl_list *l; 12112798Swpaul 12212798Swpaul if (!newstyle) { 12312798Swpaul /* old style: always pass argument by reference */ 12412798Swpaul if (Cflag) { /* C++ style heading */ 12512798Swpaul f_print(fout, "("); 12612798Swpaul ptype(proc->args.decls->decl.prefix, 12712798Swpaul proc->args.decls->decl.type, 1); 12812798Swpaul 12912798Swpaul if (mtflag) {/* Generate result field */ 13012798Swpaul f_print(fout, "*argp, "); 13112798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 13212798Swpaul f_print(fout, "*%s, %s%s)\n", 13312798Swpaul result, addargtype, addargname); 13412798Swpaul } else 13512798Swpaul f_print(fout, "*argp, %s%s)\n", addargtype, addargname); 13612798Swpaul } else { 13712798Swpaul if (!mtflag) 13812798Swpaul f_print(fout, "(argp, %s)\n", addargname); 13912798Swpaul else 14012798Swpaul f_print(fout, "(argp, %s, %s)\n", 14112798Swpaul result, addargname); 14212798Swpaul f_print(fout, "\t"); 14312798Swpaul ptype(proc->args.decls->decl.prefix, 14412798Swpaul proc->args.decls->decl.type, 1); 14512798Swpaul f_print(fout, "*argp;\n"); 14612798Swpaul if (mtflag) { 14712798Swpaul f_print(fout, "\t"); 14812798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 14912798Swpaul f_print(fout, "*%s;\n", result); 15012798Swpaul } 15112798Swpaul } 15212798Swpaul } else if (streq(proc->args.decls->decl.type, "void")) { 15312798Swpaul /* newstyle, 0 argument */ 15412798Swpaul if (mtflag) { 15512798Swpaul f_print(fout, "("); 15612798Swpaul 15712798Swpaul 15812798Swpaul if (Cflag) { 15912798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 16012798Swpaul f_print(fout, "*%s, %s%s)\n", 16112798Swpaul result, addargtype, addargname); 16212798Swpaul } 16312798Swpaul else 16412798Swpaul f_print(fout, "(%s)\n", addargname); 16512798Swpaul 16612798Swpaul } else 16712798Swpaul if (Cflag) 16812798Swpaul f_print(fout, "(%s%s)\n", addargtype, addargname); 16912798Swpaul else 17012798Swpaul f_print(fout, "(%s)\n", addargname); 17112798Swpaul } else { 17212798Swpaul /* new style, 1 or multiple arguments */ 17312798Swpaul if (!Cflag) { 17412798Swpaul f_print(fout, "("); 17512798Swpaul for (l = proc->args.decls; l != NULL; l = l->next) 17612798Swpaul f_print(fout, "%s, ", l->decl.name); 17712798Swpaul if (mtflag) 17812798Swpaul f_print(fout, "%s, ", result); 17912798Swpaul 18012798Swpaul f_print(fout, "%s)\n", addargname); 18112798Swpaul for (l = proc->args.decls; l != NULL; l = l->next) { 18212798Swpaul pdeclaration(proc->args.argname, 18312798Swpaul &l->decl, 1, ";\n"); 18412798Swpaul } 18512798Swpaul if (mtflag) { 18612798Swpaul f_print(fout, "\t"); 18712798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 18812798Swpaul f_print(fout, "*%s;\n", result); 18912798Swpaul } 19012798Swpaul 19112798Swpaul } else { /* C++ style header */ 19212798Swpaul f_print(fout, "("); 19312798Swpaul for (l = proc->args.decls; l != NULL; l = l->next) { 19412798Swpaul pdeclaration(proc->args.argname, &l->decl, 0, 19512798Swpaul ", "); 19612798Swpaul } 19712798Swpaul if (mtflag) { 19812798Swpaul ptype(proc->res_prefix, proc->res_type, 1); 19912798Swpaul f_print(fout, "*%s, ", result); 20012798Swpaul 20112798Swpaul } 20212798Swpaul f_print(fout, "%s%s)\n", addargtype, addargname); 20312798Swpaul } 20412798Swpaul } 20512798Swpaul 20612798Swpaul if (!Cflag) 20712798Swpaul f_print(fout, "\t%s%s;\n", addargtype, addargname); 20812798Swpaul} 20912798Swpaul 21012798Swpaul 21112798Swpaul 2121897Swollmanstatic char * 2131897Swollmanampr(type) 2141897Swollman char *type; 2151897Swollman{ 2161897Swollman if (isvectordef(type, REL_ALIAS)) { 2171897Swollman return (""); 2181897Swollman } else { 2191897Swollman return ("&"); 2201897Swollman } 2211897Swollman} 2221897Swollman 22317142Sjkhstatic void 2241897Swollmanprintbody(proc) 2251897Swollman proc_list *proc; 2261897Swollman{ 22712798Swpaul decl_list *l; 22812798Swpaul bool_t args2 = (proc->arg_num > 1); 22912798Swpaul 23012798Swpaul /* 23112798Swpaul * For new style with multiple arguments, need a structure in which 23212798Swpaul * to stuff the arguments. 23312798Swpaul */ 23412798Swpaul 23512798Swpaul 23612798Swpaul if (newstyle && args2) { 23712798Swpaul f_print(fout, "\t%s", proc->args.argname); 23812798Swpaul f_print(fout, " arg;\n"); 2391897Swollman } 24012798Swpaul if (!mtflag) { 24112798Swpaul f_print(fout, "\tstatic "); 24212798Swpaul if (streq(proc->res_type, "void")) { 24312798Swpaul f_print(fout, "char "); 24412798Swpaul } else { 24512798Swpaul ptype(proc->res_prefix, proc->res_type, 0); 24612798Swpaul } 24712798Swpaul f_print(fout, "%s;\n", RESULT); 24812798Swpaul f_print(fout, "\n"); 24912798Swpaul f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n", 25012798Swpaul ampr(proc->res_type), RESULT, RESULT); 25112798Swpaul 2521897Swollman } 25312798Swpaul if (newstyle && !args2 && 25412798Swpaul (streq(proc->args.decls->decl.type, "void"))) { 25512798Swpaul /* newstyle, 0 arguments */ 25612798Swpaul 25712798Swpaul if (mtflag) 25812798Swpaul f_print(fout, "\t return "); 25912798Swpaul else 26012798Swpaul f_print(fout, "\t if "); 26112798Swpaul 26212798Swpaul f_print(fout, 26312798Swpaul "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ", 26412798Swpaul proc->proc_name); 26512798Swpaul f_print(fout, 26612798Swpaul "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,", 26712798Swpaul stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type), 26812798Swpaul RESULT); 26912798Swpaul 27012798Swpaul if (mtflag) 27139642Sobrien f_print(fout, "\n\t\tTIMEOUT));\n"); 27212798Swpaul else 27312798Swpaul f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n"); 27412798Swpaul 27512798Swpaul } else if (newstyle && args2) { 27612798Swpaul /* 27712798Swpaul * Newstyle, multiple arguments 27812798Swpaul * stuff arguments into structure 27912798Swpaul */ 28012798Swpaul for (l = proc->args.decls; l != NULL; l = l->next) { 28112798Swpaul f_print(fout, "\targ.%s = %s;\n", 28212798Swpaul l->decl.name, l->decl.name); 28312798Swpaul } 28412798Swpaul if (mtflag) 28512798Swpaul f_print(fout, "\treturn "); 28612798Swpaul else 28712798Swpaul f_print(fout, "\tif "); 28812798Swpaul f_print(fout, 28912798Swpaul "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s", 29012798Swpaul proc->proc_name,proc->args.argname); 29112798Swpaul f_print(fout, 29212798Swpaul ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,", 29312798Swpaul stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type), 29412798Swpaul RESULT); 29512798Swpaul if (mtflag) 29612798Swpaul f_print(fout, "\n\t\tTIMEOUT));\n"); 29712798Swpaul else 29812798Swpaul f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n"); 29912798Swpaul } else { /* single argument, new or old style */ 30012798Swpaul if (!mtflag) 30112798Swpaul f_print(fout, 30212798Swpaul "\tif (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT) != RPC_SUCCESS) {\n", 30312798Swpaul proc->proc_name, 30412798Swpaul stringfix(proc->args.decls->decl.type), 30512798Swpaul (newstyle ? "&" : ""), 30612798Swpaul (newstyle ? proc->args.decls->decl.name : "argp"), 30712798Swpaul stringfix(proc->res_type), ampr(proc->res_type), 30812798Swpaul RESULT); 30912798Swpaul else 31012798Swpaul 31112798Swpaul f_print(fout, 31212798Swpaul "\treturn (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT));\n", 31312798Swpaul proc->proc_name, 31412798Swpaul stringfix(proc->args.decls->decl.type), 31512798Swpaul (newstyle ? "&" : ""), 31612798Swpaul (newstyle ? proc->args.decls->decl.name : "argp"), 31712798Swpaul stringfix(proc->res_type), "", 31812798Swpaul RESULT); 31912798Swpaul } 32012798Swpaul if (!mtflag) { 32112798Swpaul f_print(fout, "\t\treturn (NULL);\n"); 32212798Swpaul f_print(fout, "\t}\n"); 32312798Swpaul 32412798Swpaul if (streq(proc->res_type, "void")) { 32512798Swpaul f_print(fout, "\treturn ((void *)%s%s);\n", 32612798Swpaul ampr(proc->res_type), RESULT); 32712798Swpaul } else { 32812798Swpaul f_print(fout, "\treturn (%s%s);\n", 32912798Swpaul ampr(proc->res_type), RESULT); 33012798Swpaul } 33112798Swpaul } 3321897Swollman} 333