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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include <drizzled/global.h>
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#include <string.h>
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#include <drizzled/my_hash.h>
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#include <drizzled/xid.h>
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#include "drizzled/charset.h"
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#include "drizzled/global_charset_info.h"
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#include "drizzled/charset_info.h"
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#include <boost/thread/mutex.hpp>
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bool XID::eq(XID *xid)
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return sizeof(gtrid_length)+sizeof(bqual_length)+gtrid_length+bqual_length;
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/***************************************************************************
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Handling of XA id cacheing
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***************************************************************************/
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boost::mutex LOCK_xid_cache;
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unsigned char *xid_get_hash_key(const unsigned char *, size_t *, bool);
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void xid_free_hash(void *);
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unsigned char *xid_get_hash_key(const unsigned char *ptr, size_t *length,
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*length=((XID_STATE*)ptr)->xid.key_length();
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return ((XID_STATE*)ptr)->xid.key();
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void xid_free_hash(void *ptr)
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XID_STATE *state= (XID_STATE *)ptr;
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if (state->in_session == false)
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bool xid_cache_init()
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return hash_init(&xid_cache, &my_charset_bin, 100, 0, 0,
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xid_get_hash_key, xid_free_hash, 0) != 0;
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void xid_cache_free()
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if (hash_inited(&xid_cache))
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hash_free(&xid_cache);
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XID_STATE *xid_cache_search(XID *xid)
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LOCK_xid_cache.lock();
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XID_STATE *res=(XID_STATE *)hash_search(&xid_cache, xid->key(), xid->key_length());
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LOCK_xid_cache.unlock();
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bool xid_cache_insert(XID *xid, enum xa_states xa_state)
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LOCK_xid_cache.lock();
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if (hash_search(&xid_cache, xid->key(), xid->key_length()))
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else if ((xs = new XID_STATE) == NULL)
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xs->xa_state=xa_state;
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res= my_hash_insert(&xid_cache, (unsigned char*)xs);
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LOCK_xid_cache.unlock();
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bool xid_cache_insert(XID_STATE *xid_state)
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LOCK_xid_cache.lock();
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bool res=my_hash_insert(&xid_cache, (unsigned char*)xid_state);
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LOCK_xid_cache.unlock();
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void xid_cache_delete(XID_STATE *xid_state)
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LOCK_xid_cache.lock();
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hash_delete(&xid_cache, (unsigned char *)xid_state);
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LOCK_xid_cache.unlock();
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} /* namespace drizzled */