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/* ====================================================================
 * Copyright (c) 1999 The Apache Group.  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. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the Apache Group
 *    for use in the Apache HTTP server project (http://www.apache.org/)."
 *
 * 4. The names "Apache Server" and "Apache Group" 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 names without prior written
 *    permission of the Apache Group.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the Apache Group
 *    for use in the Apache HTTP server project (http://www.apache.org/)."
 *
 * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group.
 * For more information on the Apache Group and the Apache HTTP server
 * project, please see <http://www.apache.org/>.
 *
 */

#ifndef APR_NETWORK_IO_H
#define APR_NETWORK_IO_H

#ifdef WIN32
#include <winsock2.h>
#endif

#include "apr_general.h"
#include "apr_errno.h"
#include <time.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#ifndef MAX_SECS_TO_LINGER
#define MAX_SECS_TO_LINGER 30
#endif

#ifndef APRMAXHOSTLEN
#define APRMAXHOSTLEN 256
#endif

/* Socket option definitions */
#define APR_SO_LINGER        1
#define APR_SO_KEEPALIVE     2
#define APR_SO_DEBUG         4
#define APR_SO_NONBLOCK      8
#define APR_SO_REUSEADDR     16

#define APR_POLLIN    0x001 
#define APR_POLLPRI   0x002
#define APR_POLLOUT   0x004
#define APR_POLLERR   0x010
#define APR_POLLHUP   0x020
#define APR_POLLNVAL  0x040

typedef enum {APR_SHUTDOWN_READ, APR_SHUTDOWN_WRITE, 
	      APR_SHUTDOWN_READWRITE} ap_shutdown_how_e;

typedef struct socket_t     ap_socket_t;
typedef struct pollfd_t    ap_pollfd_t;

/* function definitions */

ap_status_t ap_create_tcp_socket(ap_context_t *, ap_socket_t **);
ap_status_t ap_shutdown(ap_socket_t *, ap_shutdown_how_e);
ap_status_t ap_close_socket(ap_socket_t *);

ap_status_t ap_bind(ap_socket_t *);
ap_status_t ap_listen(ap_socket_t *, ap_int32_t);
ap_status_t ap_accept(const ap_socket_t *, ap_socket_t **);
ap_status_t ap_connect(ap_socket_t *, char *);

ap_status_t ap_get_remote_hostname(ap_socket_t *, char **);
ap_status_t ap_gethostname(ap_context_t *, char *, int);
ap_status_t ap_get_socketdata(ap_socket_t *, void *);
ap_status_t ap_set_socketdata(ap_socket_t *, void *);

ap_status_t ap_send(ap_socket_t *, const char *, ap_ssize_t *, time_t);
ap_status_t ap_recv(ap_socket_t *, char *, ap_ssize_t *, time_t);

ap_status_t ap_setsocketopt(ap_socket_t *, ap_int32_t, ap_int32_t);
ap_status_t ap_setport(ap_socket_t *, ap_uint32_t);

ap_status_t ap_setup_poll(ap_context_t *, ap_int32_t, ap_pollfd_t **);
ap_status_t ap_poll(ap_pollfd_t *, ap_int32_t *, ap_int32_t);
ap_status_t ap_add_poll_socket(ap_pollfd_t *, ap_socket_t *, ap_int16_t);
ap_status_t ap_remove_poll_socket(ap_pollfd_t *, ap_socket_t *, ap_int16_t);
ap_status_t ap_clear_poll_sockets(ap_pollfd_t *, ap_int16_t);
ap_status_t ap_get_revents(ap_pollfd_t *, ap_socket_t *, ap_int16_t *);
ap_status_t ap_get_polldata(ap_pollfd_t *, void *);
ap_status_t ap_set_polldata(ap_pollfd_t *, void *);

/*  accessor functions   */

#ifdef __cplusplus
}
#endif

#endif  /* ! APR_NETWORK_IO_H */