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WL 2059 Engine-specific status variables framework and WL 1922

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InnoDB status variables
This commit is contained in:
petr@mysql.com
2004-11-18 13:00:42 +03:00
parent 0fa5496a18
commit 890211a7c4
23 changed files with 784 additions and 290 deletions
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615
sql/sql_show.cc
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@ -1394,311 +1394,348 @@ void mysqld_list_processes(THD *thd,const char *user, bool verbose)
Status functions
*****************************************************************************/
static bool show_status_array(THD *thd, const char *wild,
show_var_st *variables,
enum enum_var_type value_type,
struct system_status_var *status_var,
const char *prefix)
{
char buff[1024], *prefix_end;
/* the variable name should not be longer then 80 characters */
char name_buffer[80];
int len;
Protocol *protocol= thd->protocol;
LEX_STRING null_lex_str;
DBUG_ENTER("show_status_array");
null_lex_str.str= 0; // For sys_var->value_ptr()
null_lex_str.length= 0;
prefix_end=strnmov(name_buffer, prefix, sizeof(name_buffer)-1);
len=name_buffer + sizeof(name_buffer) - prefix_end;
for (; variables->name; variables++)
{
strnmov(prefix_end, variables->name, len);
name_buffer[sizeof(name_buffer)-1]=0; /* Safety */
SHOW_TYPE show_type=variables->type;
if (show_type == SHOW_VARS)
{
show_status_array(thd, wild, (show_var_st *) variables->value,
value_type, status_var, variables->name);
}
else
{
if (!(wild && wild[0] && wild_case_compare(system_charset_info,
name_buffer, wild)))
{
char *value=variables->value;
const char *pos, *end;
long nr;
protocol->prepare_for_resend();
protocol->store(name_buffer, system_charset_info);
if (show_type == SHOW_SYS)
{
show_type= ((sys_var*) value)->type();
value= (char*) ((sys_var*) value)->value_ptr(thd, value_type,
&null_lex_str);
}
pos= end= buff;
switch (show_type) {
case SHOW_LONG_STATUS:
case SHOW_LONG_CONST_STATUS:
value= ((char *) status_var + (ulong) value);
/* fall through */
case SHOW_LONG:
case SHOW_LONG_CONST:
end= int10_to_str(*(long*) value, buff, 10);
break;
case SHOW_LONGLONG:
end= longlong10_to_str(*(longlong*) value, buff, 10);
break;
case SHOW_HA_ROWS:
end= longlong10_to_str((longlong) *(ha_rows*) value, buff, 10);
break;
case SHOW_BOOL:
end= strmov(buff, *(bool*) value ? "ON" : "OFF");
break;
case SHOW_MY_BOOL:
end= strmov(buff, *(my_bool*) value ? "ON" : "OFF");
break;
case SHOW_INT_CONST:
case SHOW_INT:
end= int10_to_str((long) *(uint32*) value, buff, 10);
break;
case SHOW_HAVE:
{
SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value;
pos= show_comp_option_name[(int) tmp];
end= strend(pos);
break;
}
case SHOW_CHAR:
{
if (!(pos= value))
pos= "";
end= strend(pos);
break;
}
case SHOW_STARTTIME:
nr= (long) (thd->query_start() - start_time);
end= int10_to_str(nr, buff, 10);
break;
case SHOW_QUESTION:
end= int10_to_str((long) thd->query_id, buff, 10);
break;
#ifdef HAVE_REPLICATION
case SHOW_RPL_STATUS:
end= strmov(buff, rpl_status_type[(int)rpl_status]);
break;
case SHOW_SLAVE_RUNNING:
{
pthread_mutex_lock(&LOCK_active_mi);
end= strmov(buff, (active_mi->slave_running &&
active_mi->rli.slave_running) ? "ON" : "OFF");
pthread_mutex_unlock(&LOCK_active_mi);
break;
}
#endif /* HAVE_REPLICATION */
case SHOW_OPENTABLES:
end= int10_to_str((long) cached_tables(), buff, 10);
break;
case SHOW_CHAR_PTR:
{
if (!(pos= *(char**) value))
pos= "";
end= strend(pos);
break;
}
case SHOW_DOUBLE:
{
end= buff + sprintf(buff, "%f", *(double*) value);
break;
}
#ifdef HAVE_OPENSSL
/* First group - functions relying on CTX */
case SHOW_SSL_CTX_SESS_ACCEPT:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_ACCEPT_GOOD:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept_good(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CONNECT_GOOD:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect_good(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd-> ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CB_HITS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_cb_hits(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_HITS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_hits(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CACHE_FULL:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_cache_full(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_MISSES:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_misses(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_TIMEOUTS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_NUMBER:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_CONNECT:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_VERIFY_MODE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_VERIFY_DEPTH:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE:
if (!ssl_acceptor_fd)
{
pos= "NONE";
end= pos+4;
break;
}
switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
{
case SSL_SESS_CACHE_OFF:
pos= "OFF";
break;
case SSL_SESS_CACHE_CLIENT:
pos= "CLIENT";
break;
case SSL_SESS_CACHE_SERVER:
pos= "SERVER";
break;
case SSL_SESS_CACHE_BOTH:
pos= "BOTH";
break;
case SSL_SESS_CACHE_NO_AUTO_CLEAR:
pos= "NO_AUTO_CLEAR";
break;
case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
pos= "NO_INTERNAL_LOOKUP";
break;
default:
pos= "Unknown";
break;
}
end= strend(pos);
break;
/* First group - functions relying on SSL */
case SHOW_SSL_GET_VERSION:
pos= (thd->net.vio->ssl_arg ?
SSL_get_version((SSL*) thd->net.vio->ssl_arg) : "");
end= strend(pos);
break;
case SHOW_SSL_SESSION_REUSED:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_session_reused((SSL*) thd->net.vio->
ssl_arg) :
0),
buff, 10);
break;
case SHOW_SSL_GET_DEFAULT_TIMEOUT:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_default_timeout((SSL*) thd->net.vio->
ssl_arg) :
0),
buff, 10);
break;
case SHOW_SSL_GET_VERIFY_MODE:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_verify_mode((SSL*) thd->net.vio->
ssl_arg):
0),
buff, 10);
break;
case SHOW_SSL_GET_VERIFY_DEPTH:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_verify_depth((SSL*) thd->net.vio->
ssl_arg):
0),
buff, 10);
break;
case SHOW_SSL_GET_CIPHER:
pos= (thd->net.vio->ssl_arg ?
SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : "" );
end= strend(pos);
break;
case SHOW_SSL_GET_CIPHER_LIST:
if (thd->net.vio->ssl_arg)
{
char *to= buff;
for (int i=0 ; i++ ;)
{
const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
if (p == NULL)
break;
to= strmov(to, p);
*to++= ':';
}
if (to != buff)
to--; // Remove last ':'
end= to;
}
break;
#endif /* HAVE_OPENSSL */
case SHOW_KEY_CACHE_LONG:
case SHOW_KEY_CACHE_CONST_LONG:
value= (value-(char*) &dflt_key_cache_var)+ (char*) sql_key_cache;
end= int10_to_str(*(long*) value, buff, 10);
break;
case SHOW_UNDEF: // Show never happen
case SHOW_SYS:
break; // Return empty string
default:
break;
}
if (protocol->store(pos, (uint32) (end - pos), system_charset_info) ||
protocol->write())
DBUG_RETURN(TRUE); /* purecov: inspected */
}
}
}
DBUG_RETURN(FALSE);
}
bool mysqld_show(THD *thd, const char *wild, show_var_st *variables,
enum enum_var_type value_type,
pthread_mutex_t *mutex,
struct system_status_var *status_var)
{
char buff[1024];
List<Item> field_list;
Protocol *protocol= thd->protocol;
LEX_STRING null_lex_str;
DBUG_ENTER("mysqld_show");
ha_update_statistics(); /* Export engines statistics */
field_list.push_back(new Item_empty_string("Variable_name",30));
field_list.push_back(new Item_empty_string("Value",256));
if (protocol->send_fields(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
DBUG_RETURN(TRUE); /* purecov: inspected */
null_lex_str.str= 0; // For sys_var->value_ptr()
null_lex_str.length= 0;
pthread_mutex_lock(mutex);
for (; variables->name; variables++)
{
if (!(wild && wild[0] && wild_case_compare(system_charset_info,
variables->name,wild)))
{
protocol->prepare_for_resend();
protocol->store(variables->name, system_charset_info);
SHOW_TYPE show_type=variables->type;
char *value=variables->value;
const char *pos, *end;
long nr;
if (show_type == SHOW_SYS)
{
show_type= ((sys_var*) value)->type();
value= (char*) ((sys_var*) value)->value_ptr(thd, value_type,
&null_lex_str);
}
pos= end= buff;
switch (show_type) {
case SHOW_LONG_STATUS:
case SHOW_LONG_CONST_STATUS:
value= ((char *) status_var + (ulong) value);
/* fall through */
case SHOW_LONG:
case SHOW_LONG_CONST:
end= int10_to_str(*(long*) value, buff, 10);
break;
case SHOW_LONGLONG:
end= longlong10_to_str(*(longlong*) value, buff, 10);
break;
case SHOW_HA_ROWS:
end= longlong10_to_str((longlong) *(ha_rows*) value, buff, 10);
break;
case SHOW_BOOL:
end= strmov(buff, *(bool*) value ? "ON" : "OFF");
break;
case SHOW_MY_BOOL:
end= strmov(buff, *(my_bool*) value ? "ON" : "OFF");
break;
case SHOW_INT_CONST:
case SHOW_INT:
end= int10_to_str((long) *(uint32*) value, buff, 10);
break;
case SHOW_HAVE:
{
SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value;
pos= show_comp_option_name[(int) tmp];
end= strend(pos);
break;
}
case SHOW_CHAR:
{
if (!(pos= value))
pos= "";
end= strend(pos);
break;
}
case SHOW_STARTTIME:
nr= (long) (thd->query_start() - start_time);
end= int10_to_str(nr, buff, 10);
break;
case SHOW_QUESTION:
end= int10_to_str((long) thd->query_id, buff, 10);
break;
#ifdef HAVE_REPLICATION
case SHOW_RPL_STATUS:
end= strmov(buff, rpl_status_type[(int)rpl_status]);
break;
case SHOW_SLAVE_RUNNING:
{
pthread_mutex_lock(&LOCK_active_mi);
end= strmov(buff, (active_mi->slave_running &&
active_mi->rli.slave_running) ? "ON" : "OFF");
pthread_mutex_unlock(&LOCK_active_mi);
break;
}
#endif /* HAVE_REPLICATION */
case SHOW_OPENTABLES:
end= int10_to_str((long) cached_tables(), buff, 10);
break;
case SHOW_CHAR_PTR:
{
if (!(pos= *(char**) value))
pos= "";
end= strend(pos);
break;
}
case SHOW_DOUBLE:
{
end= buff + sprintf(buff, "%f", *(double*) value);
break;
}
#ifdef HAVE_OPENSSL
/* First group - functions relying on CTX */
case SHOW_SSL_CTX_SESS_ACCEPT:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_ACCEPT_GOOD:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept_good(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CONNECT_GOOD:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect_good(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd-> ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CB_HITS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_cb_hits(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_HITS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_hits(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_CACHE_FULL:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_cache_full(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_MISSES:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_misses(ssl_acceptor_fd->
ssl_context)),
buff, 10);
break;
case SHOW_SSL_CTX_SESS_TIMEOUTS:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_NUMBER:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_CONNECT:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_VERIFY_MODE:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_VERIFY_DEPTH:
end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context)),
buff,10);
break;
case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE:
if (!ssl_acceptor_fd)
{
pos= "NONE";
end= pos+4;
break;
}
switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
{
case SSL_SESS_CACHE_OFF:
pos= "OFF";
break;
case SSL_SESS_CACHE_CLIENT:
pos= "CLIENT";
break;
case SSL_SESS_CACHE_SERVER:
pos= "SERVER";
break;
case SSL_SESS_CACHE_BOTH:
pos= "BOTH";
break;
case SSL_SESS_CACHE_NO_AUTO_CLEAR:
pos= "NO_AUTO_CLEAR";
break;
case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
pos= "NO_INTERNAL_LOOKUP";
break;
default:
pos= "Unknown";
break;
}
end= strend(pos);
break;
/* First group - functions relying on SSL */
case SHOW_SSL_GET_VERSION:
pos= (thd->net.vio->ssl_arg ?
SSL_get_version((SSL*) thd->net.vio->ssl_arg) : "");
end= strend(pos);
break;
case SHOW_SSL_SESSION_REUSED:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_session_reused((SSL*) thd->net.vio->
ssl_arg) :
0),
buff, 10);
break;
case SHOW_SSL_GET_DEFAULT_TIMEOUT:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_default_timeout((SSL*) thd->net.vio->
ssl_arg) :
0),
buff, 10);
break;
case SHOW_SSL_GET_VERIFY_MODE:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_verify_mode((SSL*) thd->net.vio->
ssl_arg):
0),
buff, 10);
break;
case SHOW_SSL_GET_VERIFY_DEPTH:
end= int10_to_str((long) (thd->net.vio->ssl_arg ?
SSL_get_verify_depth((SSL*) thd->net.vio->
ssl_arg):
0),
buff, 10);
break;
case SHOW_SSL_GET_CIPHER:
pos= (thd->net.vio->ssl_arg ?
SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : "" );
end= strend(pos);
break;
case SHOW_SSL_GET_CIPHER_LIST:
if (thd->net.vio->ssl_arg)
{
char *to= buff;
for (int i=0 ; i++ ;)
{
const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
if (p == NULL)
break;
to= strmov(to, p);
*to++= ':';
}
if (to != buff)
to--; // Remove last ':'
end= to;
}
break;
#endif /* HAVE_OPENSSL */
case SHOW_KEY_CACHE_LONG:
case SHOW_KEY_CACHE_CONST_LONG:
value= (value-(char*) &dflt_key_cache_var)+ (char*) sql_key_cache;
end= int10_to_str(*(long*) value, buff, 10);
break;
case SHOW_UNDEF: // Show never happen
case SHOW_SYS:
break; // Return empty string
default:
break;
}
if (protocol->store(pos, (uint32) (end - pos), system_charset_info) ||
protocol->write())
goto err; /* purecov: inspected */
}
}
if (show_status_array(thd, wild, variables, value_type, status_var, ""))
goto err;
pthread_mutex_unlock(mutex);
send_eof(thd);
DBUG_RETURN(FALSE);