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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#include "ap_config.h"
#include "ap_mmn.h"
#include "httpd.h"
#include "http_config.h"
#include "http_connection.h"
API_VAR_EXPORT module echo_module;
typedef struct
{
int bEnabled;
} EchoConfig;
static void *create_echo_server_config(ap_pool_t *p,server_rec *s)
{
EchoConfig *pConfig=ap_pcalloc(p,sizeof *pConfig);
pConfig->bEnabled=0;
return pConfig;
}
static const char *echo_on(cmd_parms *cmd, void *dummy, const char *arg)
{
EchoConfig *pConfig=ap_get_module_config(cmd->server->module_config,
&echo_module);
pConfig->bEnabled=1;
return NULL;
}
static int process_echo_connection(conn_rec *c)
{
char buf[1024];
EchoConfig *pConfig=ap_get_module_config(c->base_server->module_config,
&echo_module);
if(!pConfig->bEnabled)
return DECLINED;
for( ; ; )
{
ap_ssize_t r, w;
(void) ap_bread(c->client,buf,sizeof buf,&r);
if(r <= 0)
break;
(void) ap_bwrite(c->client,buf,r, &w);
if(w != r)
break;
ap_bflush(c->client);
}
return OK;
}
static const command_rec echo_cmds[] =
{
AP_INIT_RAW_ARGS("ProtocolEcho", echo_on, NULL, RSRC_CONF,
"Run an echo server on this host"),
{ NULL }
};
static void register_hooks(void)
{
ap_hook_process_connection(process_echo_connection,NULL,NULL,AP_HOOK_MIDDLE);
}
API_VAR_EXPORT module echo_module = {
STANDARD20_MODULE_STUFF,
NULL, /* create per-directory config structure */
NULL, /* merge per-directory config structures */
create_echo_server_config, /* create per-server config structure */
NULL, /* merge per-server config structures */
echo_cmds, /* command ap_table_t */
NULL, /* handlers */
register_hooks /* register hooks */
};
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