mod_echo.c revision ed544bb072e2f73ea4e7ef5191650dd487d02b84
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl/* ====================================================================
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * The Apache Software License, Version 1.1
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl *
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * Copyright (c) 2000 The Apache Software Foundation. All rights
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * reserved.
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl *
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * Redistribution and use in source and binary forms, with or without
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * modification, are permitted provided that the following conditions
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * are met:
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl *
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * 1. Redistributions of source code must retain the above copyright
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * notice, this list of conditions and the following disclaimer.
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl *
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cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * Alternately, this acknowledgment may appear in the software itself,
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * if and wherever such third-party acknowledgments normally appear.
cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl *
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cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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cdaa29d2c5724a4c72bfa0f42284ccfac3d5a464Pavel Reichl * 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"
AP_DECLARE_DATA module echo_module;
typedef struct
{
int bEnabled;
} EchoConfig;
static void *create_echo_server_config(apr_pool_t *p,server_rec *s)
{
EchoConfig *pConfig=apr_pcalloc(p,sizeof *pConfig);
pConfig->bEnabled=0;
return pConfig;
}
static const char *echo_on(cmd_parms *cmd, void *dummy, int arg)
{
EchoConfig *pConfig=ap_get_module_config(cmd->server->module_config,
&echo_module);
pConfig->bEnabled=arg;
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( ; ; )
{
apr_ssize_t r, w;
r = sizeof(buf);
apr_recv(c->client_socket, buf, &r);
if(r <= 0)
break;
w = r;
apr_send(c->client_socket, buf, &w);
if(w != r)
break;
}
return OK;
}
static const command_rec echo_cmds[] =
{
AP_INIT_FLAG("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);
}
AP_DECLARE_DATA 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 apr_table_t */
NULL, /* handlers */
register_hooks /* register hooks */
};