Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 372 insertions, 0 deletions

diff --git a/storage/perfschema/table_setup_instruments.cc b/storage/perfschema/table_setup_instruments.cc
new file mode 100644
index 00000000..69e48b9c
--- /dev/null
+++ b/storage/perfschema/table_setup_instruments.cc
@@ -0,0 +1,372 @@
+/* Copyright (c) 2008, 2015, 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,
+  51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/**
+  @file storage/perfschema/table_setup_instruments.cc
+  Table SETUP_INSTRUMENTS (implementation).
+*/
+
+#include "my_global.h"
+#include "my_thread.h"
+#include "pfs_instr_class.h"
+#include "pfs_builtin_memory.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"
+#include "field.h"
+
+THR_LOCK table_setup_instruments::m_table_lock;
+
+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 */
+  table_setup_instruments::get_row_count,
+  sizeof(pos_setup_instruments),
+  &m_table_lock,
+  { C_STRING_WITH_LEN("CREATE TABLE setup_instruments("
+                      "NAME VARCHAR(128) not null,"
+                      "ENABLED ENUM ('YES', 'NO') not null,"
+                      "TIMED ENUM ('YES', 'NO') not null)") },
+  false  /* perpetual */
+};
+
+PFS_engine_table* table_setup_instruments::create(void)
+{
+  return new table_setup_instruments();
+}
+
+ha_rows
+table_setup_instruments::get_row_count(void)
+{
+  return wait_class_max
+    + stage_class_max
+    + statement_class_max
+    + transaction_class_max
+    + memory_class_max;
+}
+
+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;
+  PFS_builtin_memory_class *pfs_builtin;
+  bool update_enabled;
+  bool update_timed;
+
+  /* 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())
+  {
+    update_enabled= true;
+    update_timed= true;
+
+    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_TRANSACTION:
+      instr_class= find_transaction_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;
+    case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
+      update_enabled= false;
+      update_timed= false;
+      pfs_builtin= find_builtin_memory_class(m_pos.m_index_2);
+      if (pfs_builtin != NULL)
+        instr_class= & pfs_builtin->m_class;
+      else
+        instr_class= NULL;
+      break;
+    case pos_setup_instruments::VIEW_MEMORY:
+      update_timed= false;
+      instr_class= find_memory_class(m_pos.m_index_2);
+      break;
+    case pos_setup_instruments::VIEW_METADATA:
+      instr_class= find_metadata_class(m_pos.m_index_2);
+      break;
+    }
+    if (instr_class)
+    {
+      make_row(instr_class, update_enabled, update_timed);
+      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;
+  PFS_builtin_memory_class *pfs_builtin;
+  bool update_enabled;
+  bool update_timed;
+
+  /* Do not advertise hard coded instruments when disabled. */
+  if (! pfs_initialized)
+    return HA_ERR_END_OF_FILE;
+
+  set_position(pos);
+
+  update_enabled= true;
+  update_timed= true;
+
+  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_TRANSACTION:
+    instr_class= find_transaction_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;
+  case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
+    update_enabled= false;
+    update_timed= false;
+    pfs_builtin= find_builtin_memory_class(m_pos.m_index_2);
+    if (pfs_builtin != NULL)
+      instr_class= & pfs_builtin->m_class;
+    else
+      instr_class= NULL;
+    break;
+  case pos_setup_instruments::VIEW_MEMORY:
+    update_timed= false;
+    instr_class= find_memory_class(m_pos.m_index_2);
+    break;
+  case pos_setup_instruments::VIEW_METADATA:
+    instr_class= find_metadata_class(m_pos.m_index_2);
+    break;
+  }
+  if (instr_class)
+  {
+    make_row(instr_class, update_enabled, update_timed);
+    return 0;
+  }
+
+  return HA_ERR_RECORD_DELETED;
+}
+
+void table_setup_instruments::make_row(PFS_instr_class *klass, bool update_enabled, bool update_timed)
+{
+  m_row.m_instr_class= klass;
+  m_row.m_update_enabled= update_enabled;
+  m_row.m_update_timed= update_timed;
+}
+
+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 *,
+                                               const 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 */
+        /* Do not raise error if m_update_enabled is false, silently ignore. */
+        if (m_row.m_update_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 */
+        /* Do not raise error if m_update_timed is false, silently ignore. */
+        if (m_row.m_update_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:
+    case pos_setup_instruments::VIEW_TRANSACTION:
+      /* 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;
+    case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
+    case pos_setup_instruments::VIEW_MEMORY:
+      /* No flag to update. */
+      break;
+    case pos_setup_instruments::VIEW_METADATA:
+      update_metadata_derived_flags();
+      break;
+    default:
+      DBUG_ASSERT(false);
+      break;
+  }
+
+  return 0;
+}
+