-/* Server IO, Not public! */
-#include <memcached.h>
+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license. See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary: Server IO, Not public!
+ *
+ */
-#ifndef __MEMCACHED_IO_H__
-#define __MEMCACHED_IO_H__
+#ifndef LIBMEMCACHED_MEMCACHED_IO_H
+#define LIBMEMCACHED_MEMCACHED_IO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(BUILDING_LIBMEMCACHED)
+
+#include "libmemcached/memcached.h"
+
+#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 {
+ uint16_t request_id;
+ uint16_t sequence_number;
+ uint16_t num_datagrams;
+ uint16_t reserved;
+};
ssize_t memcached_io_write(memcached_server_st *ptr,
const void *buffer, size_t length, char with_flush);
void memcached_io_reset(memcached_server_st *ptr);
-ssize_t memcached_io_read(memcached_server_st *ptr,
- void *buffer, size_t length);
-memcached_return memcached_io_close(memcached_server_st *ptr);
-void memcached_purge(memcached_server_st *ptr);
-#endif /* __MEMCACHED_IO_H__ */
+memcached_return_t memcached_io_read(memcached_server_st *ptr,
+ void *buffer, size_t length, ssize_t *nread);
+/* Read a line (terminated by '\n') into the buffer */
+memcached_return_t memcached_io_readline(memcached_server_st *ptr,
+ char *buffer_ptr,
+ size_t size);
+memcached_return_t memcached_io_close(memcached_server_st *ptr);
+/* Read n bytes of data from the server and store them in dta */
+memcached_return_t memcached_safe_read(memcached_server_st *ptr,
+ void *dta,
+ size_t size);
+/* Read a single response from the server */
+memcached_return_t memcached_read_one_response(memcached_server_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result);
+memcached_return_t memcached_io_init_udp_header(memcached_server_st *ptr,
+ uint16_t thread_id);
+
+memcached_server_st *memcached_io_get_readable_server(memcached_st *memc);
+
+#endif /* BUILDING_LIBMEMCACHED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LIBMEMCACHED_MEMCACHED_IO_H */