/* $OpenBSD: rpc_sample.c,v 1.14 2003/07/09 03:35:21 deraadt Exp $ */ /* $NetBSD: rpc_sample.c,v 1.2 1995/06/11 21:50:01 pk Exp $ */ /* * 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 or with the express written consent of * Sun Microsystems, Inc. * * 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 */ #ifndef lint static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI"; #endif /* * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler */ #include <sys/cdefs.h> #include <stdio.h> #include <string.h> #include "rpc_parse.h" #include "rpc_util.h" static char RQSTP[] = "rqstp"; 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; fprintf(fout, "\n\nvoid\n"); pvname(program_name, vp->vers_num); if (Cflag) fprintf(fout,"(char *host)\n{\n"); else fprintf(fout, "(host)\nchar *host;\n{\n"); fprintf(fout, "\tCLIENT *clnt;\n"); i = 0; for (proc = vp->procs; proc != NULL; proc = proc->next) { fprintf(fout, "\t"); ptype(proc->res_prefix, proc->res_type, 1); fprintf(fout, " *result_%d;\n",++i); /* print out declarations for arguments */ if (proc->arg_num < 2 && !newstyle) { fprintf(fout, "\t"); if (!streq(proc->args.decls->decl.type, "void")) ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); else fprintf(fout, "char *"); /* cannot have "void" type */ fprintf(fout, " "); pvname(proc->proc_name, vp->vers_num); fprintf(fout, "_arg;\n"); } else if (!streq(proc->args.decls->decl.type, "void")) { for (l = proc->args.decls; l != NULL; l = l->next) { fprintf(fout, "\t"); ptype(l->decl.prefix, l->decl.type, 1); fprintf(fout, " "); pvname(proc->proc_name, vp->vers_num); fprintf(fout, "_%s;\n", l->decl.name); /* pdeclaration(proc->args.argname, &l->decl, 1, ";\n");*/ } } } /* generate creation of client handle */ fprintf(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", program_name, vp->vers_name, tirpcflag? "netpath" : "udp"); fprintf(fout, "\tif (clnt == NULL) {\n"); fprintf(fout, "\t\tclnt_pcreateerror(host);\n"); fprintf(fout, "\t\texit(1);\n\t}\n"); /* generate calls to procedures */ i = 0; for (proc = vp->procs; proc != NULL; proc = proc->next) { fprintf(fout, "\tresult_%d = ",++i); pvname(proc->proc_name, vp->vers_num); if (proc->arg_num < 2 && !newstyle) { fprintf(fout, "("); if (streq(proc->args.decls->decl.type, "void")) fprintf(fout, "(void*)"); fprintf(fout, "&"); pvname(proc->proc_name, vp->vers_num); fprintf(fout, "_arg, clnt);\n"); } else if (streq(proc->args.decls->decl.type, "void")) { fprintf(fout, "(clnt);\n"); } else { fprintf(fout, "("); for (l = proc->args.decls; l != NULL; l = l->next) { pvname(proc->proc_name, vp->vers_num); fprintf(fout, "_%s, ", l->decl.name); } fprintf(fout, "clnt);\n"); } fprintf(fout, "\tif (result_%d == NULL) {\n", i); fprintf(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n"); fprintf(fout, "\t}\n"); } fprintf(fout, "\tclnt_destroy(clnt);\n"); fprintf(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) { fprintf(fout, "\n"); /* if (Cflag) fprintf(fout, "extern \"C\"{\n"); */ return_type(proc); fprintf(fout, "* \n"); pvname_svc(proc->proc_name, vp->vers_num); printarglist(proc, RQSTP, "struct svc_req *"); fprintf(fout, "{\n"); fprintf(fout, "\n\tstatic "); if (!streq(proc->res_type, "void")) return_type(proc); else fprintf(fout, "char*"); /* cannot have void type */ fprintf(fout, " result;\n"); fprintf(fout, "\n\t/*\n\t * insert server code here\n\t */\n\n"); if (!streq(proc->res_type, "void")) fprintf(fout, "\treturn(&result);\n}\n"); else /* cast back to void * */ fprintf(fout, "\treturn((void*) &result);\n}\n"); /* if (Cflag) fprintf(fout, "}\n"); */ } } } static void return_type(plist) proc_list *plist; { ptype(plist->res_prefix, plist->res_type, 1); } void add_sample_msg(void) { fprintf(fout, "/*\n"); fprintf(fout, " * This is sample code generated by rpcgen.\n"); fprintf(fout, " * These are only templates and you can use them\n"); fprintf(fout, " * as a guideline for developing your own functions.\n"); fprintf(fout, " */\n\n"); } void write_sample_clnt_main() { list *l; definition *def; version_list *vp; fprintf(fout, "\n\n"); if (Cflag) fprintf(fout,"main(int argc, char *argv[])\n{\n"); else fprintf(fout, "main(argc, argv)\nint argc;\nchar *argv[];\n{\n"); fprintf(fout, "\tchar *host;"); fprintf(fout, "\n\n\tif (argc < 2) {"); fprintf(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); fprintf(fout, "\t\texit(1);\n\t}"); fprintf(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) { fprintf(fout, "\t"); pvname(def->def_name, vp->vers_num); fprintf(fout, "(host);\n"); } } fprintf(fout, "}\n"); }