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, 281 insertions, 0 deletions

diff --git a/storage/perfschema/table_replication_group_members.cc b/storage/perfschema/table_replication_group_members.cc
new file mode 100644
index 00000000..5967b98c
--- /dev/null
+++ b/storage/perfschema/table_replication_group_members.cc
@@ -0,0 +1,281 @@
+/*
+      Copyright (c) 2013, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
+
+/**
+  @file storage/perfschema/table_replication_group_members.cc
+  Table replication_group_members (implementation).
+*/
+
+//#define HAVE_REPLICATION
+
+#include "my_global.h"
+#include "table_replication_group_members.h"
+#include "pfs_instr_class.h"
+#include "pfs_instr.h"
+#include "log.h"
+//#include "rpl_group_replication.h"
+
+/*
+  Callbacks implementation for GROUP_REPLICATION_GROUP_MEMBERS_CALLBACKS.
+*/
+static void set_channel_name(void* const context, const char& value,
+                             size_t length)
+{
+  struct st_row_group_members* row=
+      static_cast<struct st_row_group_members*>(context);
+  const size_t max= CHANNEL_NAME_LENGTH;
+  length= std::min(length, max);
+
+  row->channel_name_length= length;
+  memcpy(row->channel_name, &value, length);
+}
+
+static void set_member_id(void* const context, const char& value,
+                          size_t length)
+{
+  struct st_row_group_members* row=
+      static_cast<struct st_row_group_members*>(context);
+  const size_t max= UUID_LENGTH;
+  length= std::min(length, max);
+
+  row->member_id_length= length;
+  memcpy(row->member_id, &value, length);
+}
+
+static void set_member_host(void* const context, const char& value,
+                            size_t length)
+{
+  struct st_row_group_members* row=
+      static_cast<struct st_row_group_members*>(context);
+  const size_t max= HOSTNAME_LENGTH;
+  length= std::min(length, max);
+
+  row->member_host_length= length;
+  memcpy(row->member_host, &value, length);
+}
+
+static void set_member_port(void* const context, unsigned int value)
+{
+  struct st_row_group_members* row=
+      static_cast<struct st_row_group_members*>(context);
+  row->member_port= value;
+}
+
+static void set_member_state(void* const context, const char& value,
+                             size_t length)
+{
+  struct st_row_group_members* row=
+      static_cast<struct st_row_group_members*>(context);
+  const size_t max= NAME_LEN;
+  length= std::min(length, max);
+
+  row->member_state_length= length;
+  memcpy(row->member_state, &value, length);
+}
+
+
+THR_LOCK table_replication_group_members::m_table_lock;
+
+/* Numbers in varchar count utf8 characters. */
+static const TABLE_FIELD_TYPE field_types[]=
+{
+  {
+    {C_STRING_WITH_LEN("CHANNEL_NAME")},
+    {C_STRING_WITH_LEN("char(64)")},
+    {NULL, 0}
+  },
+  {
+    {C_STRING_WITH_LEN("MEMBER_ID")},
+    {C_STRING_WITH_LEN("char(36)")},
+    {NULL, 0}
+  },
+  {
+    {C_STRING_WITH_LEN("MEMBER_HOST")},
+    {C_STRING_WITH_LEN("char(60)")},
+    {NULL, 0}
+  },
+  {
+    {C_STRING_WITH_LEN("MEMBER_PORT")},
+    {C_STRING_WITH_LEN("int(11)")},
+    {NULL, 0}
+  },
+  {
+    {C_STRING_WITH_LEN("MEMBER_STATE")},
+    {C_STRING_WITH_LEN("char(64)")},
+    {NULL, 0}
+  }
+};
+
+TABLE_FIELD_DEF
+table_replication_group_members::m_field_def=
+{ 5, field_types };
+
+PFS_engine_table_share
+table_replication_group_members::m_share=
+{
+  { C_STRING_WITH_LEN("replication_group_members") },
+  &pfs_readonly_acl,
+  &table_replication_group_members::create,
+  NULL, /* write_row */
+  NULL, /* delete_all_rows */
+  table_replication_group_members::get_row_count,
+  sizeof(PFS_simple_index), /* ref length */
+  &m_table_lock,
+  &m_field_def,
+  false, /* checked */
+  false  /* perpetual */
+};
+
+PFS_engine_table* table_replication_group_members::create(void)
+{
+  return new table_replication_group_members();
+}
+
+table_replication_group_members::table_replication_group_members()
+  : PFS_engine_table(&m_share, &m_pos),
+    m_row_exists(false), m_pos(0), m_next_pos(0)
+{}
+
+table_replication_group_members::~table_replication_group_members()
+{}
+
+void table_replication_group_members::reset_position(void)
+{
+  m_pos.m_index= 0;
+  m_next_pos.m_index= 0;
+}
+
+ha_rows table_replication_group_members::get_row_count()
+{
+  return get_group_replication_members_number_info();
+}
+
+int table_replication_group_members::rnd_next(void)
+{
+  if (!is_group_replication_plugin_loaded())
+    return HA_ERR_END_OF_FILE;
+
+  for (m_pos.set_at(&m_next_pos);
+       m_pos.m_index < get_row_count();
+       m_pos.next())
+  {
+    make_row(m_pos.m_index);
+    m_next_pos.set_after(&m_pos);
+    return 0;
+  }
+
+  return HA_ERR_END_OF_FILE;
+}
+
+int table_replication_group_members::rnd_pos(const void *pos)
+{
+  if (!is_group_replication_plugin_loaded())
+    return HA_ERR_END_OF_FILE;
+
+  set_position(pos);
+  DBUG_ASSERT(m_pos.m_index < get_row_count());
+  make_row(m_pos.m_index);
+
+  return 0;
+}
+
+void table_replication_group_members::make_row(uint index)
+{
+  DBUG_ENTER("table_replication_group_members::make_row");
+  // Set default values.
+  m_row_exists= false;
+  m_row.channel_name_length= 0;
+  m_row.member_id_length= 0;
+  m_row.member_host_length= 0;
+  m_row.member_port= 0;
+  m_row.member_state_length= 0;
+
+  // Set callbacks on GROUP_REPLICATION_GROUP_MEMBERS_CALLBACKS.
+  const GROUP_REPLICATION_GROUP_MEMBERS_CALLBACKS callbacks=
+  {
+    &m_row,
+    &set_channel_name,
+    &set_member_id,
+    &set_member_host,
+    &set_member_port,
+    &set_member_state,
+  };
+
+  // Query plugin and let callbacks do their job.
+  if (get_group_replication_group_members_info(index, callbacks))
+  {
+    DBUG_PRINT("info", ("Group Replication stats not available!"));
+  }
+  else
+  {
+    m_row_exists= true;
+  }
+
+  DBUG_VOID_RETURN;
+}
+
+
+int table_replication_group_members::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: /** member_id */
+        set_field_char_utf8(f, m_row.member_id, m_row.member_id_length);
+        break;
+      case 2: /** member_host */
+        set_field_char_utf8(f, m_row.member_host, m_row.member_host_length);
+        break;
+      case 3: /** member_port */
+        if (m_row.member_port > 0)
+          set_field_ulong(f, m_row.member_port);
+        else
+          f->set_null();
+        break;
+      case 4: /** member_state */
+        set_field_char_utf8(f, m_row.member_state, m_row.member_state_length);
+        break;
+      default:
+        DBUG_ASSERT(false);
+      }
+    }
+  }
+  return 0;
+}