diff options
Diffstat (limited to 'REORG.TODO/sunrpc/rpc_clntout.c')
| -rw-r--r-- | REORG.TODO/sunrpc/rpc_clntout.c | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/rpc_clntout.c b/REORG.TODO/sunrpc/rpc_clntout.c new file mode 100644 index 0000000000..ce4d2a4c95 --- /dev/null +++ b/REORG.TODO/sunrpc/rpc_clntout.c @@ -0,0 +1,333 @@ +/* + * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler + * Copyright (c) 2010, Oracle America, Inc. + * + * 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 the "Oracle America, 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. + */ +#include <stdio.h> +#include <string.h> +#include "rpc/types.h" +#include "rpc_parse.h" +#include "rpc_util.h" +#include "proto.h" + +#define DEFAULT_TIMEOUT 25 /* in seconds */ +static const char RESULT[] = "clnt_res"; + +static void write_program (definition * def); +static void printbody (proc_list * proc); +static const char *ampr (const char *type); +static void printbody (proc_list * proc); + + +void +write_stubs (void) +{ + list *l; + definition *def; + + fprintf (fout, + "\n/* Default timeout can be changed using clnt_control() */\n"); + fprintf (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) + { + fprintf (fout, "\n"); + if (mtflag == 0) + { + ptype (proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*\n"); + pvname (proc->proc_name, vp->vers_num); + printarglist (proc, RESULT, "clnt", "CLIENT *"); + } + else + { + fprintf (fout, "enum clnt_stat \n"); + pvname (proc->proc_name, vp->vers_num); + printarglist (proc, RESULT, "clnt", "CLIENT *"); + } + fprintf (fout, "{\n"); + printbody (proc); + fprintf (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, const char *result, + const char *addargname, const char *addargtype) +{ + + decl_list *l; + + if (!newstyle) + { /* old style: always pass argument by reference */ + if (Cflag) + { /* C++ style heading */ + fprintf (fout, "("); + ptype (proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 1); + + if (mtflag) + {/* Generate result field */ + fprintf (fout, "*argp, "); + ptype(proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname); + } + else + fprintf (fout, "*argp, %s%s)\n", addargtype, addargname); + } + else + { + if (!mtflag) + fprintf (fout, "(argp, %s)\n", addargname); + else + fprintf (fout, "(argp, %s, %s)\n", result, addargname); + fprintf (fout, "\t"); + ptype (proc->args.decls->decl.prefix, + proc->args.decls->decl.type, 1); + fprintf (fout, "*argp;\n"); + if (mtflag) + { + fprintf (fout, "\t"); + ptype (proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*%s;\n", result); + } + } + } + else if (streq (proc->args.decls->decl.type, "void")) + { + /* newstyle, 0 argument */ + if (mtflag) + { + fprintf (fout, "("); + if (Cflag) + { + ptype(proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname); + } + else + fprintf (fout, "(%s)\n", addargname); + } + else if (Cflag) + fprintf (fout, "(%s%s)\n", addargtype, addargname); + else + fprintf (fout, "(%s)\n", addargname); + } + else + { + /* new style, 1 or multiple arguments */ + if (!Cflag) + { + fprintf (fout, "("); + for (l = proc->args.decls; l != NULL; l = l->next) + fprintf (fout, "%s, ", l->decl.name); + if (mtflag) + fprintf (fout, "%s, ", result); + fprintf (fout, "%s)\n", addargname); + for (l = proc->args.decls; l != NULL; l = l->next) + { + pdeclaration (proc->args.argname, &l->decl, 1, ";\n"); + } + if (mtflag) + { + fprintf (fout, "\t"); + ptype (proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*%s;\n", result); + } + } + else + { /* C++ style header */ + fprintf (fout, "("); + for (l = proc->args.decls; l != NULL; l = l->next) + { + pdeclaration (proc->args.argname, &l->decl, 0, ", "); + } + if (mtflag) + { + ptype (proc->res_prefix, proc->res_type, 1); + fprintf (fout, "*%s, ", result); + } + fprintf (fout, " %s%s)\n", addargtype, addargname); + } + } + + if (!Cflag) + fprintf (fout, "\t%s%s;\n", addargtype, addargname); +} + + +static +const char * +ampr (const 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); +/* int i; */ + + /* For new style with multiple arguments, need a structure in which + to stuff the arguments. */ + if (newstyle && args2) + { + fprintf (fout, "\t%s", proc->args.argname); + fprintf (fout, " arg;\n"); + } + if (!mtflag) + { + fprintf (fout, "\tstatic "); + if (streq (proc->res_type, "void")) + { + fprintf (fout, "char "); + } + else + { + ptype (proc->res_prefix, proc->res_type, 0); + } + fprintf (fout, "%s;\n", RESULT); + fprintf (fout, "\n"); + fprintf (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 */ + if (mtflag) + fprintf (fout, "\t return "); + else + fprintf (fout, "\t if "); + fprintf (fout, + "(clnt_call (clnt, %s, (xdrproc_t) xdr_void, ", proc->proc_name); + + fprintf (fout, + "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,", + stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type), + RESULT); + if (mtflag) + fprintf (fout, "\n\t\tTIMEOUT));\n\n"); + else + fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n"); + } + else if (newstyle && args2) + { + /* newstyle, multiple arguments: stuff arguments into structure */ + for (l = proc->args.decls; l != NULL; l = l->next) + { + fprintf (fout, "\targ.%s = %s;\n", + l->decl.name, l->decl.name); + } + if (mtflag) + fprintf (fout, "\treturn "); + else + fprintf (fout, "\tif "); + + fprintf (fout, + "(clnt_call (clnt, %s, (xdrproc_t) xdr_%s", proc->proc_name, + proc->args.argname); + fprintf (fout, + ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,", + stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type), + RESULT); + if (mtflag) + fprintf (fout, "\n\t\tTIMEOUT));\n"); + else + fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n"); + } + else + { /* single argument, new or old style */ + if (!mtflag) + fprintf (fout, + "\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", + 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); + else + fprintf(fout, + "\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", + proc->proc_name, + stringfix (proc->args.decls->decl.type), + (newstyle ? "&" : ""), + (newstyle ? proc->args.decls->decl.name : "argp"), + stringfix (proc->res_type), "", + RESULT); + } + if (!mtflag) + { + fprintf (fout, "\t\treturn (NULL);\n"); + fprintf (fout, "\t}\n"); + if (streq (proc->res_type, "void")) + { + fprintf (fout, "\treturn ((void *)%s%s);\n", + ampr (proc->res_type), RESULT); + } + else + { + fprintf (fout, "\treturn (%s%s);\n", ampr (proc->res_type), RESULT); + } + } +} |