/* Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */



#ifndef RETRY_H
#define RETRY_H

#ifdef __cplusplus
extern "C" {
#endif

#ifdef XCOM_HAVE_OPENSSL

	static inline int can_retry(int err)
	{
		if(is_ssl_err(err))
			return from_ssl_err(err) == SSL_ERROR_WANT_WRITE ||
				from_ssl_err(err) == SSL_ERROR_WANT_READ;
		else
			return from_errno(err) == SOCK_EAGAIN ||
				from_errno(err) == SOCK_EINTR ||
				from_errno(err) == SOCK_EWOULDBLOCK;
	}

	static inline int can_retry_read(int err)
	{
		if(is_ssl_err(err))
			return from_ssl_err(err) == SSL_ERROR_WANT_READ;
		else
			return from_errno(err) == SOCK_EAGAIN ||
				from_errno(err) == SOCK_EINTR ||
				from_errno(err) == SOCK_EWOULDBLOCK;
	}

	static inline int can_retry_write(int err)
	{
		if(is_ssl_err(err))
			return from_ssl_err(err) == SSL_ERROR_WANT_WRITE;
		else
			return from_errno(err) == SOCK_EAGAIN ||
				from_errno(err) == SOCK_EINTR ||
				from_errno(err) == SOCK_EWOULDBLOCK;
	}
#else
	static inline int can_retry(int err)
	{
		return from_errno(err) == SOCK_EAGAIN ||
			from_errno(err) == SOCK_EINTR ||
			from_errno(err) == SOCK_EWOULDBLOCK;
	}

	static inline int can_retry_read(int err)
	{
		return from_errno(err) == SOCK_EAGAIN ||
			from_errno(err) == SOCK_EINTR ||
			from_errno(err) == SOCK_EWOULDBLOCK;
	}

	static inline int can_retry_write(int err)
	{
		return from_errno(err) == SOCK_EAGAIN ||
			from_errno(err) == SOCK_EINTR ||
			from_errno(err) == SOCK_EWOULDBLOCK;
	}
#endif

#ifdef __cplusplus
}
#endif

#endif
