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Galera4

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This commit is contained in:
Brave Galera Crew
2019-01-23 15:30:00 +04:00
committed by Sergey Vojtovich
parent 382115b992
commit 36a2a185fe
791 changed files with 28035 additions and 8865 deletions
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71
sql/wsrep_applier.h
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@ -1,4 +1,4 @@
/* Copyright 2013 Codership Oy <http://www.codership.com>
/* Copyright 2013-2015 Codership Oy <http://www.codership.com>
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
@ -17,28 +17,57 @@
#define WSREP_APPLIER_H
#include <my_config.h>
#include "../wsrep/wsrep_api.h"
void wsrep_set_apply_format(THD* thd, Format_description_log_event* ev);
#include "sql_class.h" // THD class
int wsrep_apply_events(THD* thd,
Relay_log_info* rli,
const void* events_buf,
size_t buf_len);
/* Applier error codes, when nothing better is available. */
#define WSREP_RET_SUCCESS 0 // Success
#define WSREP_ERR_GENERIC 1 // When in doubt (MySQL default error code)
#define WSREP_ERR_BAD_EVENT 2 // Can't parse event
#define WSREP_ERR_NOT_FOUND 3 // Key. table, schema not found
#define WSREP_ERR_EXISTS 4 // Key, table, schema already exists
#define WSREP_ERR_WRONG_TYPE 5 // Incompatible data type
#define WSREP_ERR_FAILED 6 // Operation failed for some internal reason
#define WSREP_ERR_ABORTED 7 // Operation was aborted externally
class wsrep_apply_error
{
public:
wsrep_apply_error() : str_(NULL), len_(0) {};
~wsrep_apply_error() { ::free(str_); }
/* stores the current THD error info from the diagnostic area. Works only
* once, subsequent invocations are ignored in order to preserve the original
* condition. */
void store(const THD* thd);
const char* c_str() const { return str_; }
size_t length() const { return len_; }
bool is_null() const { return (c_str() == NULL && length() == 0); }
wsrep_buf_t get_buf() const
{
wsrep_buf_t ret= { c_str(), length() };
return ret;
}
private:
char* str_;
size_t len_;
};
class Format_description_log_event;
void wsrep_set_apply_format(THD*, Format_description_log_event*);
Format_description_log_event* wsrep_get_apply_format(THD* thd);
int wsrep_apply(void* ctx,
uint32_t flags,
const wsrep_buf_t* buf,
const wsrep_trx_meta_t* meta,
wsrep_apply_error& err);
/* wsrep callback prototypes */
extern "C" {
wsrep_cb_status_t wsrep_unordered_cb(void* ctx,
const wsrep_buf_t* data);
wsrep_cb_status_t wsrep_apply_cb(void *ctx,
const void* buf, size_t buf_len,
uint32_t flags,
const wsrep_trx_meta_t* meta);
wsrep_cb_status_t wsrep_commit_cb(void *ctx,
uint32_t flags,
const wsrep_trx_meta_t* meta,
wsrep_bool_t* exit,
bool commit);
wsrep_cb_status_t wsrep_unordered_cb(void* ctx,
const void* data,
size_t size);
} /* extern "C" */
#endif /* WSREP_APPLIER_H */