56
55
void XID::set(uint64_t xid)
60
58
set(DRIZZLE_XID_PREFIX_LEN, 0, DRIZZLE_XID_PREFIX);
61
memcpy(data+DRIZZLE_XID_PREFIX_LEN, &server_id, sizeof(server_id));
63
memcpy(data+DRIZZLE_XID_OFFSET, &tmp, sizeof(tmp));
64
gtrid_length=DRIZZLE_XID_GTRID_LEN;
59
memcpy(data + DRIZZLE_XID_PREFIX_LEN, &server_id, sizeof(server_id));
61
memcpy(data + DRIZZLE_XID_OFFSET, &tmp, sizeof(tmp));
62
gtrid_length= DRIZZLE_XID_GTRID_LEN;
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65
void XID::set(long g, long b, const char *d)
97
95
quick_get_my_xid() : 0;
100
uint32_t XID::length()
98
uint32_t XID::length() const
102
100
return sizeof(formatID)+sizeof(gtrid_length)+sizeof(bqual_length)+
103
101
gtrid_length+bqual_length;
106
unsigned char *XID::key()
104
const unsigned char *XID::key() const
108
106
return (unsigned char *)>rid_length;
111
uint32_t XID::key_length()
109
uint32_t XID::key_length() const
113
111
return sizeof(gtrid_length)+sizeof(bqual_length)+gtrid_length+bqual_length;
116
/***************************************************************************
117
Handling of XA id cacheing
118
***************************************************************************/
119
boost::mutex LOCK_xid_cache;
122
unsigned char *xid_get_hash_key(const unsigned char *, size_t *, bool);
123
void xid_free_hash(void *);
125
unsigned char *xid_get_hash_key(const unsigned char *ptr, size_t *length,
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*length=((XID_STATE*)ptr)->xid.key_length();
129
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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114
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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119
void xid_cache_free()
147
if (hash_inited(&xid_cache))
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hash_free(&xid_cache);
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XID_STATE *xid_cache_search(XID *xid)
155
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();
161
bool xid_cache_insert(XID *xid, enum xa_states xa_state)
165
LOCK_xid_cache.lock();
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if (hash_search(&xid_cache, xid->key(), xid->key_length()))
170
else if ((xs = new XID_STATE) == NULL)
176
xs->xa_state=xa_state;
179
res= my_hash_insert(&xid_cache, (unsigned char*)xs);
181
LOCK_xid_cache.unlock();
185
bool xid_cache_insert(XID_STATE *xid_state)
187
LOCK_xid_cache.lock();
188
bool res=my_hash_insert(&xid_cache, (unsigned char*)xid_state);
189
LOCK_xid_cache.unlock();
193
void xid_cache_delete(XID_STATE *xid_state)
195
LOCK_xid_cache.lock();
196
hash_delete(&xid_cache, (unsigned char *)xid_state);
197
LOCK_xid_cache.unlock();
123
void xid_cache_insert(XID*, xa_states)
127
void xid_cache_delete(XID_STATE*)
200
131
} /* namespace drizzled */