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changed manager to use my_net_*

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fixed bug in master - unregister slaves when they disconnect
This commit is contained in:
sasha@mysql.sashanet.com
2001-10-12 09:37:25 -06:00
parent 2f27322adb
commit 2d3f96b483
8 changed files with 120 additions and 152 deletions
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25
sql/sql_repl.cc
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@ -106,10 +106,25 @@ static int fake_rotate_event(NET* net, String* packet, char* log_file_name,
p+= len; \
}\
void unregister_slave(THD* thd, bool only_mine, bool need_mutex)
{
if (need_mutex)
pthread_mutex_lock(&LOCK_slave_list);
if (thd->server_id)
{
SLAVE_INFO* old_si;
if ((old_si = (SLAVE_INFO*)hash_search(&slave_list,
(byte*)&thd->server_id, 4)) &&
(!only_mine || old_si->thd == thd))
hash_delete(&slave_list, (byte*)old_si);
}
if (need_mutex)
pthread_mutex_unlock(&LOCK_slave_list);
}
int register_slave(THD* thd, uchar* packet, uint packet_length)
{
SLAVE_INFO *si, *old_si;
SLAVE_INFO *si;
int res = 1;
uchar* p = packet, *p_end = packet + packet_length;
@ -119,18 +134,16 @@ int register_slave(THD* thd, uchar* packet, uint packet_length)
if (!(si = (SLAVE_INFO*)my_malloc(sizeof(SLAVE_INFO), MYF(MY_WME))))
goto err;
si->server_id = uint4korr(p);
thd->server_id = si->server_id = uint4korr(p);
p += 4;
get_object(p,si->host);
get_object(p,si->user);
get_object(p,si->password);
si->port = uint2korr(p);
si->thd = thd;
pthread_mutex_lock(&LOCK_slave_list);
if ((old_si = (SLAVE_INFO*)hash_search(&slave_list,
(byte*)&si->server_id, 4)))
hash_delete(&slave_list, (byte*)old_si);
unregister_slave(thd,0,0);
res = hash_insert(&slave_list, (byte*) si);
pthread_mutex_unlock(&LOCK_slave_list);
return res;