#pragma once /* * Copyright (c) 2016 MariaDB Corporation Ab * * Use of this software is governed by the Business Source License included * in the LICENSE.TXT file and at www.mariadb.com/bsl11. * * Change Date: 2022-01-01 * * On the date above, in accordance with the Business Source License, use * of this software will be governed by version 2 or later of the General * Public License. */ #include #include #include #include MXS_BEGIN_DECLS /** * Packet header for replication messages */ typedef struct rep_header { int payload_len; /*< Payload length (24 bits) */ uint8_t seqno; /*< Response sequence number */ uint8_t ok; /*< OK Byte from packet */ uint32_t timestamp; /*< Timestamp - start of binlog record */ uint8_t event_type; /*< Binlog event type */ uint32_t serverid; /*< Server id of master */ uint32_t event_size; /*< Size of header, post-header and body */ uint32_t next_pos; /*< Position of next event */ uint16_t flags; /*< Event flags */ } REP_HEADER; int blr_file_get_next_binlogname(const char* binlog_name); bool binlog_next_file_exists(const char* binlogdir, const char* binlog); uint32_t extract_field(uint8_t* src, int bits); const char* binlog_event_name(int type); static inline REP_HEADER construct_header(uint8_t* ptr) { REP_HEADER hdr; hdr.timestamp = extract_field(ptr, 32); hdr.event_type = ptr[4]; hdr.serverid = extract_field(&ptr[5], 32); hdr.event_size = extract_field(&ptr[9], 32); hdr.next_pos = extract_field(&ptr[13], 32); hdr.flags = extract_field(&ptr[17], 16); return hdr; } MXS_END_DECLS