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MDEV-7053: WSREP_STATUS & WSREP_MEMBERSHIP I_S tables

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wsrep_info INFORMATION_SCHEMA plugin to provide WSREP_STATUS
and WSREP_MEMBERSHIP tables.
This commit is contained in:
Nirbhay Choubey
2014-11-22 14:33:51 -05:00
parent cbc318fcf3
commit 369c02674c
17 changed files with 469 additions and 22 deletions
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70
sql/wsrep_utils.h
View File

@ -17,32 +17,82 @@
#define WSREP_UTILS_H
#include "wsrep_priv.h"
#include "wsrep_mysqld.h"
unsigned int wsrep_check_ip (const char* addr);
size_t wsrep_guess_ip (char* buf, size_t buf_len);
size_t wsrep_guess_address(char* buf, size_t buf_len);
namespace wsp {
class node_status
class Config_state
{
public:
node_status() : status(WSREP_MEMBER_UNDEFINED) {}
void set(wsrep_member_status_t new_status,
const wsrep_view_info_t* view = 0)
Config_state() : view_(), status_(WSREP_MEMBER_UNDEFINED)
{}
void set(wsrep_member_status_t status, const wsrep_view_info_t* view)
{
if (status != new_status || 0 != view)
wsrep_notify_status(status, view);
lock();
status_= status;
view_= *view;
member_info_.clear();
wsrep_member_info_t memb;
for(int i= 0; i < view->memb_num; i ++)
{
wsrep_notify_status(new_status, view);
status = new_status;
memb= view->members[i];
member_info_.append_val(memb);
}
unlock();
}
wsrep_member_status_t get() const { return status; }
void set(wsrep_member_status_t status)
{
wsrep_notify_status(status, 0);
lock();
status_= status;
unlock();
}
wsrep_view_info_t get_view_info() const
{
return view_;
}
wsrep_member_status_t get_status() const
{
return status_;
}
Dynamic_array<wsrep_member_info_t> * get_member_info()
{
return &member_info_;
}
int lock()
{
return mysql_mutex_lock(&LOCK_wsrep_config_state);
}
int unlock()
{
return mysql_mutex_unlock(&LOCK_wsrep_config_state);
}
private:
wsrep_member_status_t status;
wsrep_view_info_t view_;
wsrep_member_status_t status_;
Dynamic_array<wsrep_member_info_t> member_info_;
};
} /* namespace wsp */
extern wsp::node_status local_status;
extern wsp::Config_state wsrep_config_state;
namespace wsp {
/* A small class to run external programs. */