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Diffstat (limited to 'sql/wsrep_sst.h')
| -rw-r--r-- | sql/wsrep_sst.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sql/wsrep_sst.h b/sql/wsrep_sst.h new file mode 100644 index 00000000..2389db4a --- /dev/null +++ b/sql/wsrep_sst.h @@ -0,0 +1,106 @@ +/* Copyright (C) 2013-2018 Codership Oy <info@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 + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA. */ + +#ifndef WSREP_SST_H +#define WSREP_SST_H + +#include <my_config.h> + +#include "wsrep/gtid.hpp" +#include <my_global.h> +#include <string> + +#define WSREP_SST_OPT_ROLE "--role" +#define WSREP_SST_OPT_ADDR "--address" +#define WSREP_SST_OPT_AUTH "--auth" +#define WSREP_SST_OPT_DATA "--datadir" +#define WSREP_SST_OPT_CONF "--defaults-file" +#define WSREP_SST_OPT_CONF_SUFFIX "--defaults-group-suffix" +#define WSREP_SST_OPT_CONF_EXTRA "--defaults-extra-file" +#define WSREP_SST_OPT_PARENT "--parent" +#define WSREP_SST_OPT_BINLOG "--binlog" +#define WSREP_SST_OPT_BINLOG_INDEX "--binlog-index" +#define WSREP_SST_OPT_MYSQLD "--mysqld-args" + +// mysqldump-specific options +#define WSREP_SST_OPT_USER "--user" +#define WSREP_SST_OPT_PSWD "--password" +#define WSREP_SST_OPT_HOST "--host" +#define WSREP_SST_OPT_PORT "--port" +#define WSREP_SST_OPT_LPORT "--local-port" + +// donor-specific +#define WSREP_SST_OPT_SOCKET "--socket" +#define WSREP_SST_OPT_GTID "--gtid" +#define WSREP_SST_OPT_BYPASS "--bypass" +#define WSREP_SST_OPT_GTID_DOMAIN_ID "--gtid-domain-id" + +#define WSREP_SST_MYSQLDUMP "mysqldump" +#define WSREP_SST_RSYNC "rsync" +#define WSREP_SST_SKIP "skip" +#define WSREP_SST_MARIABACKUP "mariabackup" +#define WSREP_SST_XTRABACKUP "xtrabackup" +#define WSREP_SST_XTRABACKUPV2 "xtrabackupv2" +#define WSREP_SST_DEFAULT WSREP_SST_RSYNC +#define WSREP_SST_ADDRESS_AUTO "AUTO" +#define WSREP_SST_AUTH_MASK "********" + +/* system variables */ +extern const char* wsrep_sst_method; +extern const char* wsrep_sst_receive_address; +extern const char* wsrep_sst_donor; +extern const char* wsrep_sst_auth; +extern my_bool wsrep_sst_donor_rejects_queries; + +/*! Synchronizes applier thread start with init thread */ +extern void wsrep_sst_grab(); +/*! Init thread waits for SST completion */ +extern bool wsrep_sst_wait(); +/*! Signals wsrep that initialization is complete, writesets can be applied */ +extern bool wsrep_sst_continue(); +extern void wsrep_sst_auth_init(); +extern void wsrep_sst_auth_free(); + +extern void wsrep_SE_init_grab(); /*! grab init critical section */ +extern void wsrep_SE_init_wait(); /*! wait for SE init to complete */ +extern void wsrep_SE_init_done(); /*! signal that SE init is complte */ +extern void wsrep_SE_initialized(); /*! mark SE initialization complete */ + +/** + Return a string containing the state transfer request string. + Note that the string may contain a '\0' in the middle. +*/ +std::string wsrep_sst_prepare(); + +/** + Donate a SST. + + @param request SST request string received from the joiner. Note that + the string may contain a '\0' in the middle. + @param gtid Current position of the donor + @param bypass If true, full SST is not needed. Joiner needs to be + notified that it can continue starting from gtid. + */ +int wsrep_sst_donate(const std::string& request, + const wsrep::gtid& gtid, + bool bypass); + +#else +#define wsrep_SE_initialized() do { } while(0) +#define wsrep_SE_init_grab() do { } while(0) +#define wsrep_SE_init_done() do { } while(0) +#define wsrep_sst_continue() (0) + +#endif /* WSREP_SST_H */ |