From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- ...le_replication_applier_status_by_coordinator.cc | 249 +++++++++++++++++++++ 1 file changed, 249 insertions(+) create mode 100644 storage/perfschema/table_replication_applier_status_by_coordinator.cc (limited to 'storage/perfschema/table_replication_applier_status_by_coordinator.cc') diff --git a/storage/perfschema/table_replication_applier_status_by_coordinator.cc b/storage/perfschema/table_replication_applier_status_by_coordinator.cc new file mode 100644 index 00000000..beb8620b --- /dev/null +++ b/storage/perfschema/table_replication_applier_status_by_coordinator.cc @@ -0,0 +1,249 @@ +/* + Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + 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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +/** + @file storage/perfschema/table_replication_applier_status_by_cordinator.cc + Table replication_applier_status_by_coordinator (implementation). +*/ + +//#define HAVE_REPLICATION + +#include "my_global.h" + +#ifdef HAVE_REPLICATION +#include "table_replication_applier_status_by_coordinator.h" +#include "pfs_instr_class.h" +#include "pfs_instr.h" +#include "slave.h" +//#include "rpl_info.h" +#include "rpl_rli.h" +#include "rpl_mi.h" +#include "sql_parse.h" +//#include "rpl_msr.h" /* Multisource replication */ + +THR_LOCK table_replication_applier_status_by_coordinator::m_table_lock; + +PFS_engine_table_share +table_replication_applier_status_by_coordinator::m_share= +{ + { C_STRING_WITH_LEN("replication_applier_status_by_coordinator") }, + &pfs_readonly_acl, + table_replication_applier_status_by_coordinator::create, + NULL, /* write_row */ + NULL, /* delete_all_rows */ + table_replication_applier_status_by_coordinator::get_row_count, + sizeof(pos_t), /* ref length */ + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE replication_applier_status_by_coordinator(" + "CHANNEL_NAME CHAR(64) collate utf8_general_ci not null," + "THREAD_ID BIGINT UNSIGNED," + "SERVICE_STATE ENUM('ON','OFF') not null," + "LAST_ERROR_NUMBER INTEGER not null," + "LAST_ERROR_MESSAGE VARCHAR(1024) not null," + "LAST_ERROR_TIMESTAMP TIMESTAMP(0) not null)") }, + false /* perpetual */ +}; + +PFS_engine_table* table_replication_applier_status_by_coordinator::create(void) +{ + return new table_replication_applier_status_by_coordinator(); +} + +table_replication_applier_status_by_coordinator + ::table_replication_applier_status_by_coordinator() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(0), m_next_pos(0) +{} + +table_replication_applier_status_by_coordinator + ::~table_replication_applier_status_by_coordinator() +{} + +void table_replication_applier_status_by_coordinator::reset_position(void) +{ + m_pos.m_index= 0; + m_next_pos.m_index= 0; +} + +ha_rows table_replication_applier_status_by_coordinator::get_row_count() +{ + return master_info_index->master_info_hash.records; +} + + +int table_replication_applier_status_by_coordinator::rnd_next(void) +{ + Master_info *mi; + + mysql_mutex_lock(&LOCK_active_mi); + + + for (m_pos.set_at(&m_next_pos); + m_pos.m_index < master_info_index->master_info_hash.records; + m_pos.next()) + { + mi= (Master_info *)my_hash_element(&master_info_index->master_info_hash, m_pos.m_index); + + /* + Construct and display SQL Thread's (Coordinator) information in + 'replication_applier_status_by_coordinator' table only in the case of + multi threaded slave mode. Code should do nothing in the case of single + threaded slave mode. In case of single threaded slave mode SQL Thread's + status will be reported as part of + 'replication_applier_status_by_worker' table. + */ + if (mi && mi->host[0] && /*mi->rli.get_worker_count() > */ 0) + { + make_row(mi); + m_next_pos.set_after(&m_pos); + mysql_mutex_unlock(&LOCK_active_mi); + return 0; + } + } + + mysql_mutex_unlock(&LOCK_active_mi); + return HA_ERR_END_OF_FILE; +} + +int table_replication_applier_status_by_coordinator::rnd_pos(const void *pos) +{ + Master_info *mi=NULL; + int res= HA_ERR_RECORD_DELETED; + + set_position(pos); + + mysql_mutex_lock(&LOCK_active_mi); + + if ((mi= (Master_info *)my_hash_element(&master_info_index->master_info_hash, m_pos.m_index))) + { + make_row(mi); + res= 0; + } + + mysql_mutex_unlock(&LOCK_active_mi); + return res; +} + +void table_replication_applier_status_by_coordinator::make_row(Master_info *mi) +{ + m_row_exists= false; + + DBUG_ASSERT(mi != NULL); + + mysql_mutex_lock(&mi->rli.data_lock); + + m_row.channel_name_length= static_cast(mi->connection_name.length); + memcpy(m_row.channel_name, mi->connection_name.str, m_row.channel_name_length); + + if (mi->rli.slave_running) + { + PSI_thread *psi= thd_get_psi(mi->rli.sql_driver_thd); + PFS_thread *pfs= reinterpret_cast (psi); + if(pfs) + { + m_row.thread_id= pfs->m_thread_internal_id; + m_row.thread_id_is_null= false; + } + else + m_row.thread_id_is_null= true; + } + else + m_row.thread_id_is_null= true; + + if (mi->rli.slave_running) + m_row.service_state= PS_RPL_YES; + else + m_row.service_state= PS_RPL_NO; + + mysql_mutex_lock(&mi->rli.err_lock); + + m_row.last_error_number= (long int) mi->rli.last_error().number; + m_row.last_error_message_length= 0; + m_row.last_error_timestamp= 0; + + /** if error, set error message and timestamp */ + if (m_row.last_error_number) + { + char *temp_store= (char*) mi->rli.last_error().message; + m_row.last_error_message_length= static_cast(strlen(temp_store)); + memcpy(m_row.last_error_message, temp_store, + m_row.last_error_message_length); + + /** time in millisecond since epoch */ + m_row.last_error_timestamp= 0;//(ulonglong)mi->rli.last_error().skr*1000000; + } + + mysql_mutex_unlock(&mi->rli.err_lock); + mysql_mutex_unlock(&mi->rli.data_lock); + + m_row_exists= true; +} + +int table_replication_applier_status_by_coordinator + ::read_row_values(TABLE *table, unsigned char *buf, + Field **fields, bool read_all) +{ + Field *f; + + if (unlikely(! m_row_exists)) + return HA_ERR_RECORD_DELETED; + + DBUG_ASSERT(table->s->null_bytes == 1); + buf[0]= 0; + + for (; (f= *fields) ; fields++) + { + if (read_all || bitmap_is_set(table->read_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* channel_name */ + set_field_char_utf8(f, m_row.channel_name, m_row.channel_name_length); + break; + case 1: /*thread_id*/ + if (!m_row.thread_id_is_null) + set_field_ulonglong(f, m_row.thread_id); + else + f->set_null(); + break; + case 2: /*service_state*/ + set_field_enum(f, m_row.service_state); + break; + case 3: /*last_error_number*/ + set_field_ulong(f, m_row.last_error_number); + break; + case 4: /*last_error_message*/ + set_field_varchar_utf8(f, m_row.last_error_message, + m_row.last_error_message_length); + break; + case 5: /*last_error_timestamp*/ + set_field_timestamp(f, m_row.last_error_timestamp); + break; + default: + DBUG_ASSERT(false); + } + } + } + return 0; +} +#endif -- cgit v1.2.3