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/*
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* From: @(#)rpc_sample.c 1.1 90/08/30
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*
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6c4009 |
* Copyright (c) 2010, Oracle America, Inc.
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6c4009 |
* Redistribution and use in source and binary forms, with or without
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6c4009 |
* modification, are permitted provided that the following conditions are
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6c4009 |
* met:
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6c4009 |
*
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6c4009 |
* * Redistributions of source code must retain the above copyright
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6c4009 |
* notice, this list of conditions and the following disclaimer.
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6c4009 |
* * Redistributions in binary form must reproduce the above
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6c4009 |
* copyright notice, this list of conditions and the following
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6c4009 |
* disclaimer in the documentation and/or other materials
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6c4009 |
* provided with the distribution.
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6c4009 |
* * Neither the name of the "Oracle America, Inc." nor the names of its
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6c4009 |
* contributors may be used to endorse or promote products derived
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6c4009 |
* from this software without specific prior written permission.
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6c4009 |
*
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6c4009 |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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6c4009 |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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6c4009 |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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6c4009 |
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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6c4009 |
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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6c4009 |
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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6c4009 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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6c4009 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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6c4009 |
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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6c4009 |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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6c4009 |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
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*/
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#include <stdio.h>
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#include <string.h>
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#include "rpc_parse.h"
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#include "rpc_util.h"
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#include "proto.h"
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static const char RQSTP[] = "rqstp";
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static void write_sample_client (const char *program_name, version_list * vp);
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static void write_sample_server (definition * def);
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static void return_type (proc_list * plist);
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|
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void
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write_sample_svc (definition * def)
|
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{
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if (def->def_kind != DEF_PROGRAM)
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return;
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write_sample_server (def);
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}
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int
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write_sample_clnt (definition * def)
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{
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version_list *vp;
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6c4009 |
int count = 0;
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6c4009 |
|
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if (def->def_kind != DEF_PROGRAM)
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return 0;
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/* generate sample code for each version */
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
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{
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write_sample_client (def->def_name, vp);
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++count;
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}
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return count;
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}
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static void
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write_sample_client (const char *program_name, version_list * vp)
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{
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6c4009 |
proc_list *proc;
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6c4009 |
int i;
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6c4009 |
decl_list *l;
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f_print (fout, "\n\nvoid\n");
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pvname (program_name, vp->vers_num);
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6c4009 |
if (Cflag)
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f_print (fout, "(char *host)\n{\n");
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6c4009 |
else
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6c4009 |
f_print (fout, "(host)\nchar *host;\n{\n");
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f_print (fout, "\tCLIENT *clnt;\n");
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6c4009 |
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i = 0;
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for (proc = vp->procs; proc != NULL; proc = proc->next)
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{
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6c4009 |
f_print (fout, "\t");
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6c4009 |
++i;
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6c4009 |
if (mtflag)
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{
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6c4009 |
f_print (fout, "enum clnt_stat retval_%d;\n\t", i);
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6c4009 |
ptype (proc->res_prefix, proc->res_type, 1);
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6c4009 |
if (!streq (proc->res_type, "void"))
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f_print (fout, "result_%d;\n", i);
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else
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fprintf (fout, "*result_%d;\n", i);
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}
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else
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{
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6c4009 |
ptype (proc->res_prefix, proc->res_type, 1);
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6c4009 |
f_print (fout, " *result_%d;\n", i);
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6c4009 |
}
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/* print out declarations for arguments */
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6c4009 |
if (proc->arg_num < 2 && !newstyle)
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6c4009 |
{
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6c4009 |
f_print (fout, "\t");
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6c4009 |
if (!streq (proc->args.decls->decl.type, "void"))
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6c4009 |
{
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6c4009 |
ptype (proc->args.decls->decl.prefix,
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6c4009 |
proc->args.decls->decl.type, 1);
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6c4009 |
f_print (fout, " ");
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6c4009 |
}
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6c4009 |
else
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6c4009 |
f_print (fout, "char *"); /* cannot have "void" type */
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6c4009 |
pvname (proc->proc_name, vp->vers_num);
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6c4009 |
f_print (fout, "_arg;\n");
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6c4009 |
}
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6c4009 |
else if (!streq (proc->args.decls->decl.type, "void"))
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6c4009 |
{
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6c4009 |
for (l = proc->args.decls; l != NULL; l = l->next)
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6c4009 |
{
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6c4009 |
f_print (fout, "\t");
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6c4009 |
ptype (l->decl.prefix, l->decl.type, 1);
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6c4009 |
if (strcmp (l->decl.type, "string") == 1)
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6c4009 |
f_print (fout, " ");
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6c4009 |
pvname (proc->proc_name, vp->vers_num);
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6c4009 |
f_print (fout, "_%s;\n", l->decl.name);
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6c4009 |
}
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6c4009 |
}
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6c4009 |
}
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6c4009 |
|
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/* generate creation of client handle */
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6c4009 |
f_print(fout, "\n#ifndef\tDEBUG\n");
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f_print (fout, "\tclnt = clnt_create (host, %s, %s, \"%s\");\n",
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6c4009 |
program_name, vp->vers_name, tirpcflag ? "netpath" : "udp");
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f_print (fout, "\tif (clnt == NULL) {\n");
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6c4009 |
f_print (fout, "\t\tclnt_pcreateerror (host);\n");
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6c4009 |
f_print (fout, "\t\texit (1);\n\t}\n");
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6c4009 |
f_print(fout, "#endif\t/* DEBUG */\n\n");
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6c4009 |
|
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6c4009 |
/* generate calls to procedures */
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6c4009 |
i = 0;
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6c4009 |
for (proc = vp->procs; proc != NULL; proc = proc->next)
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6c4009 |
{
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6c4009 |
if (mtflag)
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6c4009 |
f_print(fout, "\tretval_%d = ",++i);
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6c4009 |
else
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6c4009 |
f_print (fout, "\tresult_%d = ", ++i);
|
|
Packit |
6c4009 |
pvname (proc->proc_name, vp->vers_num);
|
|
Packit |
6c4009 |
if (proc->arg_num < 2 && !newstyle)
|
|
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6c4009 |
{
|
|
Packit |
6c4009 |
f_print (fout, "(");
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|
Packit |
6c4009 |
if (streq (proc->args.decls->decl.type, "void"))/* cast to void* */
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Packit |
6c4009 |
f_print (fout, "(void*)");
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Packit |
6c4009 |
f_print (fout, "&";;
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Packit |
6c4009 |
pvname (proc->proc_name, vp->vers_num);
|
|
Packit |
6c4009 |
if (mtflag)
|
|
Packit |
6c4009 |
f_print(fout, "_arg, &result_%d, clnt);\n", i);
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print (fout, "_arg, clnt);\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else if (streq (proc->args.decls->decl.type, "void"))
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (mtflag)
|
|
Packit |
6c4009 |
f_print (fout, "(&result_%d, clnt);\n", i);
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print (fout, "(clnt);\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print (fout, "(");
|
|
Packit |
6c4009 |
for (l = proc->args.decls; l != NULL; l = l->next)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
pvname (proc->proc_name, vp->vers_num);
|
|
Packit |
6c4009 |
f_print (fout, "_%s, ", l->decl.name);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (mtflag)
|
|
Packit |
6c4009 |
f_print(fout, "&result_%d, ", i);
|
|
Packit |
6c4009 |
f_print (fout, "clnt);\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (mtflag)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print(fout, "\tif (result_%d == (", i);
|
|
Packit |
6c4009 |
ptype(proc->res_prefix, proc->res_type, 1);
|
|
Packit |
6c4009 |
f_print(fout, "*) NULL) {\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
f_print(fout, "\t\tclnt_perror (clnt, \"call failed\");\n");
|
|
Packit |
6c4009 |
f_print(fout, "\t}\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
f_print (fout, "#ifndef\tDEBUG\n");
|
|
Packit |
6c4009 |
f_print (fout, "\tclnt_destroy (clnt);\n");
|
|
Packit |
6c4009 |
f_print (fout, "#endif\t /* DEBUG */\n");
|
|
Packit |
6c4009 |
f_print (fout, "}\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static void
|
|
Packit |
6c4009 |
write_sample_server (definition * def)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
version_list *vp;
|
|
Packit |
6c4009 |
proc_list *proc;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
for (proc = vp->procs; proc != NULL; proc = proc->next)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print (fout, "\n");
|
|
Packit |
6c4009 |
if (!mtflag)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
return_type (proc);
|
|
Packit |
6c4009 |
f_print (fout, "*\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print (fout, "bool_t\n");
|
|
Packit |
6c4009 |
if (Cflag || mtflag)
|
|
Packit |
6c4009 |
pvname_svc (proc->proc_name, vp->vers_num);
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
pvname(proc->proc_name, vp->vers_num);
|
|
Packit |
6c4009 |
printarglist(proc, "result", RQSTP, "struct svc_req *");
|
|
Packit |
6c4009 |
f_print(fout, "{\n");
|
|
Packit |
6c4009 |
if (!mtflag)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print(fout, "\tstatic ");
|
|
Packit |
6c4009 |
if(!streq(proc->res_type, "void"))
|
|
Packit |
6c4009 |
return_type(proc);
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print(fout, "char *");
|
|
Packit |
6c4009 |
/* cannot have void type */
|
|
Packit |
6c4009 |
/* f_print(fout, " result;\n", proc->res_type); */
|
|
Packit |
6c4009 |
f_print(fout, " result;\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print(fout, "\tbool_t retval;\n");
|
|
Packit |
6c4009 |
fprintf (fout, "\n\t/*\n\t * insert server code here\n\t */\n\n");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (!mtflag)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (!streq(proc->res_type, "void"))
|
|
Packit |
6c4009 |
f_print(fout, "\treturn &result;\n}\n");
|
|
Packit |
6c4009 |
else /* cast back to void * */
|
|
Packit |
6c4009 |
f_print(fout, "\treturn (void *) &result;\n}\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
f_print(fout, "\treturn retval;\n}\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* put in sample freeing routine */
|
|
Packit |
6c4009 |
if (mtflag)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print(fout, "\nint\n");
|
|
Packit |
6c4009 |
pvname(def->def_name, vp->vers_num);
|
|
Packit |
6c4009 |
if (Cflag)
|
|
Packit |
6c4009 |
f_print(fout,"_freeresult (SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
f_print(fout,"_freeresult (transp, xdr_result, result)\n");
|
|
Packit |
6c4009 |
f_print(fout,"\tSVCXPRT *transp;\n");
|
|
Packit |
6c4009 |
f_print(fout,"\txdrproc_t xdr_result;\n");
|
|
Packit |
6c4009 |
f_print(fout,"\tcaddr_t result;\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
f_print(fout, "{\n");
|
|
Packit |
6c4009 |
f_print(fout, "\txdr_free (xdr_result, result);\n");
|
|
Packit |
6c4009 |
f_print(fout,
|
|
Packit |
6c4009 |
"\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
|
|
Packit |
6c4009 |
f_print(fout, "\n\treturn 1;\n}\n");
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
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Packit |
6c4009 |
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Packit |
6c4009 |
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Packit |
6c4009 |
static void
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Packit |
6c4009 |
return_type (proc_list * plist)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
ptype (plist->res_prefix, plist->res_type, 1);
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Packit |
6c4009 |
}
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Packit |
6c4009 |
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Packit |
6c4009 |
void
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Packit |
6c4009 |
add_sample_msg (void)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
f_print (fout, "/*\n");
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Packit |
6c4009 |
f_print (fout, " * This is sample code generated by rpcgen.\n");
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Packit |
6c4009 |
f_print (fout, " * These are only templates and you can use them\n");
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Packit |
6c4009 |
f_print (fout, " * as a guideline for developing your own functions.\n");
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Packit |
6c4009 |
f_print (fout, " */\n\n");
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Packit |
6c4009 |
}
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Packit |
6c4009 |
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Packit |
6c4009 |
void
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Packit |
6c4009 |
write_sample_clnt_main (void)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
list *l;
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Packit |
6c4009 |
definition *def;
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Packit |
6c4009 |
version_list *vp;
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Packit |
6c4009 |
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Packit |
6c4009 |
f_print (fout, "\n\n");
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Packit |
6c4009 |
if (Cflag)
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Packit |
6c4009 |
f_print (fout, "int\nmain (int argc, char *argv[])\n{\n");
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Packit |
6c4009 |
else
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Packit |
6c4009 |
f_print (fout, "int\nmain (argc, argv)\nint argc;\nchar *argv[];\n{\n");
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Packit |
6c4009 |
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Packit |
6c4009 |
f_print (fout, "\tchar *host;");
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Packit |
6c4009 |
f_print (fout, "\n\n\tif (argc < 2) {");
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Packit |
6c4009 |
f_print (fout, "\n\t\tprintf (\"usage: %%s server_host\\n\", argv[0]);\n");
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Packit |
6c4009 |
f_print (fout, "\t\texit (1);\n\t}");
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Packit |
6c4009 |
f_print (fout, "\n\thost = argv[1];\n");
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Packit |
6c4009 |
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Packit |
6c4009 |
for (l = defined; l != NULL; l = l->next)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
def = l->val;
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Packit |
6c4009 |
if (def->def_kind != DEF_PROGRAM)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
continue;
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Packit |
6c4009 |
}
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Packit |
6c4009 |
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
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Packit |
6c4009 |
{
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Packit |
6c4009 |
f_print (fout, "\t");
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Packit |
6c4009 |
pvname (def->def_name, vp->vers_num);
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Packit |
6c4009 |
f_print (fout, " (host);\n");
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Packit |
6c4009 |
}
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Packit |
6c4009 |
}
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Packit |
6c4009 |
f_print (fout, "exit (0);\n}\n");
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Packit |
6c4009 |
}
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