433 lines
14 KiB
C++
433 lines
14 KiB
C++
/* Copyright (c) 2011, 2019, 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_host_cache.cc
|
|
Table HOST_CACHE (implementation).
|
|
*/
|
|
|
|
#include "storage/perfschema/table_host_cache.h"
|
|
|
|
#include "my_dbug.h"
|
|
#include "my_thread.h"
|
|
#include "sql/current_thd.h"
|
|
#include "sql/field.h"
|
|
#include "sql/hostname_cache.h"
|
|
#include "sql/plugin_table.h"
|
|
#include "sql/sql_class.h"
|
|
#include "sql/table.h"
|
|
|
|
THR_LOCK table_host_cache::m_table_lock;
|
|
|
|
Plugin_table table_host_cache::m_table_def(
|
|
/* Schema name */
|
|
"performance_schema",
|
|
/* Name */
|
|
"host_cache",
|
|
/* Definition */
|
|
" IP VARCHAR(64) not null,\n"
|
|
" HOST VARCHAR(255) CHARACTER SET ASCII default null,\n"
|
|
" HOST_VALIDATED ENUM ('YES', 'NO') not null,\n"
|
|
" SUM_CONNECT_ERRORS BIGINT not null,\n"
|
|
" COUNT_HOST_BLOCKED_ERRORS BIGINT not null,\n"
|
|
" COUNT_NAMEINFO_TRANSIENT_ERRORS BIGINT not null,\n"
|
|
" COUNT_NAMEINFO_PERMANENT_ERRORS BIGINT not null,\n"
|
|
" COUNT_FORMAT_ERRORS BIGINT not null,\n"
|
|
" COUNT_ADDRINFO_TRANSIENT_ERRORS BIGINT not null,\n"
|
|
" COUNT_ADDRINFO_PERMANENT_ERRORS BIGINT not null,\n"
|
|
" COUNT_FCRDNS_ERRORS BIGINT not null,\n"
|
|
" COUNT_HOST_ACL_ERRORS BIGINT not null,\n"
|
|
" COUNT_NO_AUTH_PLUGIN_ERRORS BIGINT not null,\n"
|
|
" COUNT_AUTH_PLUGIN_ERRORS BIGINT not null,\n"
|
|
" COUNT_HANDSHAKE_ERRORS BIGINT not null,\n"
|
|
" COUNT_PROXY_USER_ERRORS BIGINT not null,\n"
|
|
" COUNT_PROXY_USER_ACL_ERRORS BIGINT not null,\n"
|
|
" COUNT_AUTHENTICATION_ERRORS BIGINT not null,\n"
|
|
" COUNT_SSL_ERRORS BIGINT not null,\n"
|
|
" COUNT_MAX_USER_CONNECTIONS_ERRORS BIGINT not null,\n"
|
|
" COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS BIGINT not null,\n"
|
|
" COUNT_DEFAULT_DATABASE_ERRORS BIGINT not null,\n"
|
|
" COUNT_INIT_CONNECT_ERRORS BIGINT not null,\n"
|
|
" COUNT_LOCAL_ERRORS BIGINT not null,\n"
|
|
" COUNT_UNKNOWN_ERRORS BIGINT not null,\n"
|
|
" FIRST_SEEN TIMESTAMP(0) NOT NULL default 0,\n"
|
|
" LAST_SEEN TIMESTAMP(0) NOT NULL default 0,\n"
|
|
" FIRST_ERROR_SEEN TIMESTAMP(0) null default 0,\n"
|
|
" LAST_ERROR_SEEN TIMESTAMP(0) null default 0,\n"
|
|
" PRIMARY KEY (IP) USING HASH,\n"
|
|
" KEY (HOST) USING HASH\n",
|
|
/* Options */
|
|
" ENGINE=PERFORMANCE_SCHEMA",
|
|
/* Tablespace */
|
|
nullptr);
|
|
|
|
PFS_engine_table_share table_host_cache::m_share = {
|
|
&pfs_truncatable_acl,
|
|
table_host_cache::create,
|
|
NULL, /* write_row */
|
|
table_host_cache::delete_all_rows,
|
|
table_host_cache::get_row_count,
|
|
sizeof(PFS_simple_index), /* ref length */
|
|
&m_table_lock,
|
|
&m_table_def,
|
|
false, /* perpetual */
|
|
PFS_engine_table_proxy(),
|
|
{0},
|
|
false /* m_in_purgatory */
|
|
};
|
|
|
|
bool PFS_index_host_cache_by_ip::match(const row_host_cache *row) {
|
|
if (m_fields >= 1) {
|
|
if (!m_key.match(row->m_ip, row->m_ip_length)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool PFS_index_host_cache_by_host::match(const row_host_cache *row) {
|
|
if (m_fields >= 1) {
|
|
if (!m_key.match(row->m_hostname, row->m_hostname_length)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
PFS_engine_table *table_host_cache::create(PFS_engine_table_share *) {
|
|
table_host_cache *t = new table_host_cache();
|
|
if (t != NULL) {
|
|
THD *thd = current_thd;
|
|
DBUG_ASSERT(thd != NULL);
|
|
t->materialize(thd);
|
|
}
|
|
return t;
|
|
}
|
|
|
|
int table_host_cache::delete_all_rows(void) {
|
|
/*
|
|
TRUNCATE TABLE performance_schema.host_cache
|
|
is an alternate syntax for
|
|
FLUSH HOSTS
|
|
*/
|
|
hostname_cache_refresh();
|
|
return 0;
|
|
}
|
|
|
|
ha_rows table_host_cache::get_row_count(void) {
|
|
ha_rows count;
|
|
hostname_cache_lock();
|
|
count = hostname_cache_size();
|
|
hostname_cache_unlock();
|
|
return count;
|
|
}
|
|
|
|
table_host_cache::table_host_cache()
|
|
: PFS_engine_table(&m_share, &m_pos),
|
|
m_all_rows(NULL),
|
|
m_row_count(0),
|
|
m_row(NULL),
|
|
m_pos(0),
|
|
m_next_pos(0) {}
|
|
|
|
void table_host_cache::materialize(THD *thd) {
|
|
uint size;
|
|
uint index;
|
|
row_host_cache *rows;
|
|
row_host_cache *row;
|
|
|
|
DBUG_ASSERT(m_all_rows == NULL);
|
|
DBUG_ASSERT(m_row_count == 0);
|
|
|
|
hostname_cache_lock();
|
|
|
|
size = hostname_cache_size();
|
|
if (size == 0) {
|
|
/* Normal case, the cache is empty. */
|
|
goto end;
|
|
}
|
|
|
|
rows = (row_host_cache *)thd->alloc(size * sizeof(row_host_cache));
|
|
if (rows == NULL) {
|
|
/* Out of memory, this thread will error out. */
|
|
goto end;
|
|
}
|
|
|
|
index = 0;
|
|
row = rows;
|
|
|
|
{
|
|
auto end = hostname_cache_end();
|
|
for (auto it = hostname_cache_begin(); it != end; ++it) {
|
|
make_row(it->get(), row);
|
|
index++;
|
|
row++;
|
|
}
|
|
}
|
|
|
|
m_all_rows = rows;
|
|
m_row_count = index;
|
|
|
|
end:
|
|
hostname_cache_unlock();
|
|
}
|
|
|
|
int table_host_cache::make_row(Host_entry *entry, row_host_cache *row) {
|
|
row->m_ip_length = (uint)strlen(entry->ip_key);
|
|
strcpy(row->m_ip, entry->ip_key);
|
|
row->m_hostname_length = entry->m_hostname_length;
|
|
if (row->m_hostname_length > 0) {
|
|
strncpy(row->m_hostname, entry->m_hostname, row->m_hostname_length);
|
|
}
|
|
row->m_host_validated = entry->m_host_validated;
|
|
row->m_sum_connect_errors = entry->m_errors.m_connect;
|
|
row->m_count_host_blocked_errors = entry->m_errors.m_host_blocked;
|
|
row->m_count_nameinfo_transient_errors = entry->m_errors.m_nameinfo_transient;
|
|
row->m_count_nameinfo_permanent_errors = entry->m_errors.m_nameinfo_permanent;
|
|
row->m_count_format_errors = entry->m_errors.m_format;
|
|
row->m_count_addrinfo_transient_errors = entry->m_errors.m_addrinfo_transient;
|
|
row->m_count_addrinfo_permanent_errors = entry->m_errors.m_addrinfo_permanent;
|
|
row->m_count_fcrdns_errors = entry->m_errors.m_FCrDNS;
|
|
row->m_count_host_acl_errors = entry->m_errors.m_host_acl;
|
|
row->m_count_no_auth_plugin_errors = entry->m_errors.m_no_auth_plugin;
|
|
row->m_count_auth_plugin_errors = entry->m_errors.m_auth_plugin;
|
|
row->m_count_handshake_errors = entry->m_errors.m_handshake;
|
|
row->m_count_proxy_user_errors = entry->m_errors.m_proxy_user;
|
|
row->m_count_proxy_user_acl_errors = entry->m_errors.m_proxy_user_acl;
|
|
row->m_count_authentication_errors = entry->m_errors.m_authentication;
|
|
row->m_count_ssl_errors = entry->m_errors.m_ssl;
|
|
row->m_count_max_user_connection_errors =
|
|
entry->m_errors.m_max_user_connection;
|
|
row->m_count_max_user_connection_per_hour_errors =
|
|
entry->m_errors.m_max_user_connection_per_hour;
|
|
row->m_count_default_database_errors = entry->m_errors.m_default_database;
|
|
row->m_count_init_connect_errors = entry->m_errors.m_init_connect;
|
|
row->m_count_local_errors = entry->m_errors.m_local;
|
|
|
|
/*
|
|
Reserved for future use, to help with backward compatibility.
|
|
When new errors are added in entry->m_errors.m_xxx,
|
|
report them in this column (GA releases),
|
|
until the table HOST_CACHE structure can be extended (next development
|
|
version).
|
|
*/
|
|
row->m_count_unknown_errors = 0;
|
|
|
|
row->m_first_seen = entry->m_first_seen;
|
|
row->m_last_seen = entry->m_last_seen;
|
|
row->m_first_error_seen = entry->m_first_error_seen;
|
|
row->m_last_error_seen = entry->m_last_error_seen;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void table_host_cache::reset_position(void) {
|
|
m_pos.m_index = 0;
|
|
m_next_pos.m_index = 0;
|
|
}
|
|
|
|
int table_host_cache::rnd_next(void) {
|
|
int result;
|
|
|
|
m_pos.set_at(&m_next_pos);
|
|
|
|
if (m_pos.m_index < m_row_count) {
|
|
m_row = &m_all_rows[m_pos.m_index];
|
|
m_next_pos.set_after(&m_pos);
|
|
result = 0;
|
|
} else {
|
|
m_row = NULL;
|
|
result = HA_ERR_END_OF_FILE;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int table_host_cache::rnd_pos(const void *pos) {
|
|
set_position(pos);
|
|
DBUG_ASSERT(m_pos.m_index < m_row_count);
|
|
m_row = &m_all_rows[m_pos.m_index];
|
|
return 0;
|
|
}
|
|
|
|
int table_host_cache::index_init(uint idx, bool) {
|
|
PFS_index_host_cache *result = NULL;
|
|
|
|
switch (idx) {
|
|
case 0:
|
|
result = PFS_NEW(PFS_index_host_cache_by_ip);
|
|
break;
|
|
case 1:
|
|
result = PFS_NEW(PFS_index_host_cache_by_host);
|
|
break;
|
|
default:
|
|
DBUG_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
m_opened_index = result;
|
|
m_index = result;
|
|
return 0;
|
|
}
|
|
|
|
int table_host_cache::index_next(void) {
|
|
int result;
|
|
|
|
for (m_pos.set_at(&m_next_pos); m_pos.m_index < m_row_count; m_pos.next()) {
|
|
m_row = &m_all_rows[m_pos.m_index];
|
|
|
|
if (m_opened_index->match(m_row)) {
|
|
m_next_pos.set_after(&m_pos);
|
|
result = 0;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
m_row = NULL;
|
|
result = HA_ERR_END_OF_FILE;
|
|
|
|
return result;
|
|
}
|
|
|
|
int table_host_cache::read_row_values(TABLE *table, unsigned char *buf,
|
|
Field **fields, bool read_all) {
|
|
Field *f;
|
|
|
|
DBUG_ASSERT(m_row);
|
|
|
|
/* Set the null bits */
|
|
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: /* IP */
|
|
set_field_varchar_utf8(f, m_row->m_ip, m_row->m_ip_length);
|
|
break;
|
|
case 1: /* HOST */
|
|
if (m_row->m_hostname_length > 0)
|
|
set_field_varchar_utf8(f, m_row->m_hostname,
|
|
m_row->m_hostname_length);
|
|
else {
|
|
f->set_null();
|
|
}
|
|
break;
|
|
case 2: /* HOST_VALIDATED */
|
|
set_field_enum(f, m_row->m_host_validated ? ENUM_YES : ENUM_NO);
|
|
break;
|
|
case 3: /* SUM_CONNECT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_sum_connect_errors);
|
|
break;
|
|
case 4: /* COUNT_HOST_BLOCKED_ERRORS. */
|
|
set_field_ulonglong(f, m_row->m_count_host_blocked_errors);
|
|
break;
|
|
case 5: /* COUNT_NAMEINFO_TRANSIENT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_nameinfo_transient_errors);
|
|
break;
|
|
case 6: /* COUNT_NAMEINFO_PERSISTENT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_nameinfo_permanent_errors);
|
|
break;
|
|
case 7: /* COUNT_FORMAT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_format_errors);
|
|
break;
|
|
case 8: /* COUNT_ADDRINFO_TRANSIENT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_addrinfo_transient_errors);
|
|
break;
|
|
case 9: /* COUNT_ADDRINFO_PERSISTENT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_addrinfo_permanent_errors);
|
|
break;
|
|
case 10: /* COUNT_FCRDNS_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_fcrdns_errors);
|
|
break;
|
|
case 11: /* COUNT_HOST_ACL_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_host_acl_errors);
|
|
break;
|
|
case 12: /* COUNT_NO_AUTH_PLUGIN_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_no_auth_plugin_errors);
|
|
break;
|
|
case 13: /* COUNT_AUTH_PLUGIN_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_auth_plugin_errors);
|
|
break;
|
|
case 14: /* COUNT_HANDSHAKE_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_handshake_errors);
|
|
break;
|
|
case 15: /* COUNT_PROXY_USER_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_proxy_user_errors);
|
|
break;
|
|
case 16: /* COUNT_PROXY_USER_ACL_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_proxy_user_acl_errors);
|
|
break;
|
|
case 17: /* COUNT_AUTHENTICATION_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_authentication_errors);
|
|
break;
|
|
case 18: /* COUNT_SSL_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_ssl_errors);
|
|
break;
|
|
case 19: /* COUNT_MAX_USER_CONNECTION_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_max_user_connection_errors);
|
|
break;
|
|
case 20: /* COUNT_MAX_USER_CONNECTION_PER_HOUR_ERRORS */
|
|
set_field_ulonglong(
|
|
f, m_row->m_count_max_user_connection_per_hour_errors);
|
|
break;
|
|
case 21: /* COUNT_DEFAULT_DATABASE_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_default_database_errors);
|
|
break;
|
|
case 22: /* COUNT_INIT_CONNECT_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_init_connect_errors);
|
|
break;
|
|
case 23: /* COUNT_LOCAL_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_local_errors);
|
|
break;
|
|
case 24: /* COUNT_UNKNOWN_ERRORS */
|
|
set_field_ulonglong(f, m_row->m_count_unknown_errors);
|
|
break;
|
|
case 25: /* FIRST_SEEN */
|
|
set_field_timestamp(f, m_row->m_first_seen);
|
|
break;
|
|
case 26: /* LAST_SEEN */
|
|
set_field_timestamp(f, m_row->m_last_seen);
|
|
break;
|
|
case 27: /* FIRST_ERROR_SEEN */
|
|
if (m_row->m_first_error_seen != 0) {
|
|
set_field_timestamp(f, m_row->m_first_error_seen);
|
|
} else {
|
|
f->set_null();
|
|
}
|
|
break;
|
|
case 28: /* LAST_ERROR_SEEN */
|
|
if (m_row->m_last_error_seen != 0) {
|
|
set_field_timestamp(f, m_row->m_last_error_seen);
|
|
} else {
|
|
f->set_null();
|
|
}
|
|
break;
|
|
default:
|
|
DBUG_ASSERT(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|