mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
334 lines
9.2 KiB
C
334 lines
9.2 KiB
C
/*
|
|
* 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);
|
|
}
|
|
}
|
|
}
|