/* Copyright (c) 2008, 2011, 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 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, 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ /** @file storage/perfschema/table_setup_instruments.cc Table SETUP_INSTRUMENTS (implementation). */ #include "my_global.h" #include "my_pthread.h" #include "pfs_instr_class.h" #include "pfs_instr.h" #include "pfs_column_types.h" #include "pfs_column_values.h" #include "table_setup_instruments.h" #include "pfs_global.h" #include "pfs_setup_object.h" THR_LOCK table_setup_instruments::m_table_lock; static const TABLE_FIELD_TYPE field_types[]= { { { C_STRING_WITH_LEN("NAME") }, { C_STRING_WITH_LEN("varchar(128)") }, { NULL, 0} }, { { C_STRING_WITH_LEN("ENABLED") }, { C_STRING_WITH_LEN("enum(\'YES\',\'NO\')") }, { NULL, 0} }, { { C_STRING_WITH_LEN("TIMED") }, { C_STRING_WITH_LEN("enum(\'YES\',\'NO\')") }, { NULL, 0} } }; TABLE_FIELD_DEF table_setup_instruments::m_field_def= { 3, field_types, 0, (uint*) 0 }; PFS_engine_table_share table_setup_instruments::m_share= { { C_STRING_WITH_LEN("setup_instruments") }, &pfs_updatable_acl, &table_setup_instruments::create, NULL, /* write_row */ NULL, /* delete_all_rows */ NULL, /* get_row_count */ 1000, /* records */ sizeof(pos_setup_instruments), &m_table_lock, &m_field_def, false /* checked */ }; PFS_engine_table* table_setup_instruments::create(void) { return new table_setup_instruments(); } table_setup_instruments::table_setup_instruments() : PFS_engine_table(&m_share, &m_pos), m_pos(), m_next_pos() {} void table_setup_instruments::reset_position(void) { m_pos.reset(); m_next_pos.reset(); } int table_setup_instruments::rnd_next(void) { PFS_instr_class *instr_class= NULL; /* Do not advertise hard coded instruments when disabled. */ if (! pfs_initialized) return HA_ERR_END_OF_FILE; for (m_pos.set_at(&m_next_pos); m_pos.has_more_view(); m_pos.next_view()) { switch (m_pos.m_index_1) { case pos_setup_instruments::VIEW_MUTEX: instr_class= find_mutex_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_RWLOCK: instr_class= find_rwlock_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_COND: instr_class= find_cond_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_THREAD: /* Not used yet */ break; case pos_setup_instruments::VIEW_FILE: instr_class= find_file_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_TABLE: instr_class= find_table_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_STAGE: instr_class= find_stage_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_STATEMENT: instr_class= find_statement_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_SOCKET: instr_class= find_socket_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_IDLE: instr_class= find_idle_class(m_pos.m_index_2); break; } if (instr_class) { make_row(instr_class); m_next_pos.set_after(&m_pos); return 0; } } return HA_ERR_END_OF_FILE; } int table_setup_instruments::rnd_pos(const void *pos) { PFS_instr_class *instr_class= NULL; /* Do not advertise hard coded instruments when disabled. */ if (! pfs_initialized) return HA_ERR_END_OF_FILE; set_position(pos); switch (m_pos.m_index_1) { case pos_setup_instruments::VIEW_MUTEX: instr_class= find_mutex_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_RWLOCK: instr_class= find_rwlock_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_COND: instr_class= find_cond_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_THREAD: /* Not used yet */ break; case pos_setup_instruments::VIEW_FILE: instr_class= find_file_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_TABLE: instr_class= find_table_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_STAGE: instr_class= find_stage_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_STATEMENT: instr_class= find_statement_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_SOCKET: instr_class= find_socket_class(m_pos.m_index_2); break; case pos_setup_instruments::VIEW_IDLE: instr_class= find_idle_class(m_pos.m_index_2); break; } if (instr_class) { make_row(instr_class); return 0; } return HA_ERR_RECORD_DELETED; } void table_setup_instruments::make_row(PFS_instr_class *klass) { m_row.m_instr_class= klass; } int table_setup_instruments::read_row_values(TABLE *table, unsigned char *, Field **fields, bool read_all) { Field *f; DBUG_ASSERT(table->s->null_bytes == 0); /* The row always exist, the instrument classes are static and never disappear. */ for (; (f= *fields) ; fields++) { if (read_all || bitmap_is_set(table->read_set, f->field_index)) { switch(f->field_index) { case 0: /* NAME */ set_field_varchar_utf8(f, m_row.m_instr_class->m_name, m_row.m_instr_class->m_name_length); break; case 1: /* ENABLED */ set_field_enum(f, m_row.m_instr_class->m_enabled ? ENUM_YES : ENUM_NO); break; case 2: /* TIMED */ set_field_enum(f, m_row.m_instr_class->m_timed ? ENUM_YES : ENUM_NO); break; default: DBUG_ASSERT(false); } } } return 0; } int table_setup_instruments::update_row_values(TABLE *table, const unsigned char *, unsigned char *, Field **fields) { Field *f; enum_yes_no value; for (; (f= *fields) ; fields++) { if (bitmap_is_set(table->write_set, f->field_index)) { switch(f->field_index) { case 0: /* NAME */ return HA_ERR_WRONG_COMMAND; case 1: /* ENABLED */ value= (enum_yes_no) get_field_enum(f); m_row.m_instr_class->m_enabled= (value == ENUM_YES) ? true : false; break; case 2: /* TIMED */ value= (enum_yes_no) get_field_enum(f); m_row.m_instr_class->m_timed= (value == ENUM_YES) ? true : false; break; default: DBUG_ASSERT(false); } } } switch (m_pos.m_index_1) { case pos_setup_instruments::VIEW_MUTEX: update_mutex_derived_flags(); break; case pos_setup_instruments::VIEW_RWLOCK: update_rwlock_derived_flags(); break; case pos_setup_instruments::VIEW_COND: update_cond_derived_flags(); break; case pos_setup_instruments::VIEW_THREAD: /* Not used yet */ break; case pos_setup_instruments::VIEW_FILE: update_file_derived_flags(); break; case pos_setup_instruments::VIEW_TABLE: update_table_derived_flags(); break; case pos_setup_instruments::VIEW_STAGE: case pos_setup_instruments::VIEW_STATEMENT: /* No flag to update. */ break; case pos_setup_instruments::VIEW_SOCKET: update_socket_derived_flags(); break; case pos_setup_instruments::VIEW_IDLE: /* No flag to update. */ break; default: DBUG_ASSERT(false); break; } return 0; }