diff options
Diffstat (limited to 'sql/wsrep_applier.h')
| -rw-r--r-- | sql/wsrep_applier.h | 67 |
1 files changed, 52 insertions, 15 deletions
diff --git a/sql/wsrep_applier.h b/sql/wsrep_applier.h index f19d2d46d0c..a64c0e5eb12 100644 --- a/sql/wsrep_applier.h +++ b/sql/wsrep_applier.h @@ -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 @@ -19,26 +19,63 @@ #include <my_config.h> #include "../wsrep/wsrep_api.h" +#include "sql_class.h" // THD class + void wsrep_set_apply_format(THD* thd, Format_description_log_event* ev); Format_description_log_event* wsrep_get_apply_format(THD* thd); +int wsrep_apply_events(THD* thd, + const void* events_buf, + size_t buf_len); + /* wsrep callback prototypes */ -extern "C" { -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_apply_cb(void* ctx, + const wsrep_ws_handle_t* ws_handle, + uint32_t flags, + const wsrep_buf_t* buf, + const wsrep_trx_meta_t* meta, + wsrep_bool_t* exit_loop); + +/* 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_; +}; -wsrep_cb_status_t wsrep_commit_cb(void *ctx, - uint32_t flags, - const wsrep_trx_meta_t* meta, - wsrep_bool_t* exit, - bool commit); +int wsrep_apply(void* ctx, + uint32_t flags, + const wsrep_buf_t* buf, + const wsrep_trx_meta_t* meta, + wsrep_apply_error& err); -wsrep_cb_status_t wsrep_unordered_cb(void* ctx, - const void* data, - size_t size); +wsrep_cb_status_t wsrep_unordered_cb(void* ctx, + const wsrep_buf_t* data); -} /* extern "C" */ #endif /* WSREP_APPLIER_H */ |