-/* LibMemcached
- * Copyright (C) 2006-2009 Brian Aker
- * All rights reserved.
+/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ *
+ * LibMemcached
*
- * Use and distribution licensed under the BSD license. See
- * the COPYING file in the parent directory for full text.
+ * Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
*
- * Summary: Server IO, Not public!
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * * The names of its contributors may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS 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 COPYRIGHT
+ * OWNER OR 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.
*
*/
-#ifndef __LIBMEMCACHED_IO_H__
-#define __LIBMEMCACHED_IO_H__
-
-#if defined(BUILDING_LIBMEMCACHED)
+#pragma once
-#include "libmemcached/memcached.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define MAX_UDP_DATAGRAM_LENGTH 1400
-#define UDP_DATAGRAM_HEADER_LENGTH 8
-#define UDP_REQUEST_ID_MSG_SIG_DIGITS 10
-#define UDP_REQUEST_ID_THREAD_MASK 0xFFFF << UDP_REQUEST_ID_MSG_SIG_DIGITS
-#define get_udp_datagram_request_id(A) ntohs((A)->request_id)
-#define get_udp_datagram_seq_num(A) ntohs((A)->sequence_number)
-#define get_udp_datagram_num_datagrams(A) ntohs((A)->num_datagrams)
-#define get_msg_num_from_request_id(A) ( (A) & (~(UDP_REQUEST_ID_THREAD_MASK)) )
-#define get_thread_id_from_request_id(A) ( (A) & (UDP_REQUEST_ID_THREAD_MASK) ) >> UDP_REQUEST_ID_MSG_SIG_DIGITS
-#define generate_udp_request_thread_id(A) (A) << UDP_REQUEST_ID_MSG_SIG_DIGITS
-#define UDP_REQUEST_ID_MAX_THREAD_ID get_thread_id_from_request_id(0xFFFF)
-
-struct udp_datagram_header_st
+struct libmemcached_io_vector_st
{
- uint16_t request_id;
- uint16_t sequence_number;
- uint16_t num_datagrams;
- uint16_t reserved;
+ const void *buffer;
+ size_t length;
};
-
-LIBMEMCACHED_LOCAL
-ssize_t memcached_io_write(memcached_server_instance_st *ptr,
- const void *buffer, size_t length, bool with_flush);
-
-LIBMEMCACHED_LOCAL
-void memcached_io_reset(memcached_server_instance_st *ptr);
-
-LIBMEMCACHED_LOCAL
-memcached_return_t memcached_io_read(memcached_server_instance_st *ptr,
- void *buffer, size_t length, ssize_t *nread);
-
-/* Read a line (terminated by '\n') into the buffer */
-LIBMEMCACHED_LOCAL
-memcached_return_t memcached_io_readline(memcached_server_instance_st *ptr,
- char *buffer_ptr,
- size_t size);
-
-LIBMEMCACHED_LOCAL
-memcached_return_t memcached_io_close(memcached_server_instance_st *ptr);
-
-/* Read n bytes of data from the server and store them in dta */
-LIBMEMCACHED_LOCAL
-memcached_return_t memcached_safe_read(memcached_server_instance_st *ptr,
- void *dta,
- size_t size);
-
-LIBMEMCACHED_LOCAL
-memcached_return_t memcached_io_init_udp_header(memcached_server_instance_st *ptr,
- uint16_t thread_id);
-
-LIBMEMCACHED_LOCAL
-memcached_server_instance_st *memcached_io_get_readable_server(memcached_st *memc);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* BUILDING_LIBMEMCACHED */
-
-#endif /* __LIBMEMCACHED_IO_H__ */