bool servers_reload(THD *thd)
{
TABLE_LIST tables[1];
bool return_val= TRUE;
DBUG_ENTER("servers_reload");
if (thd->locked_tables)
{ // Can't have locked tables here
thd->lock=thd->locked_tables;
thd->locked_tables=0;
close_thread_tables(thd);
}
DBUG_PRINT("info", ("locking servers_cache"));
rw_wrlock(&THR_LOCK_servers);
bzero((char*) tables, sizeof(tables));
tables[0].alias= tables[0].table_name= (char*) "servers";
tables[0].db= (char*) "mysql";
tables[0].lock_type= TL_READ;
if (simple_open_n_lock_tables(thd, tables))
{
/*
Execution might have been interrupted; only print the error message
if an error condition has been raised.
*/
if (thd->main_da.is_error())
sql_print_error("Can't open and lock privilege tables: %s",
thd->main_da.message());
return_val= FALSE;
goto end;
}
if ((return_val= servers_load(thd, tables)))
{ // Error. Revert to old list
/* blast, for now, we have no servers, discuss later way to preserve */
DBUG_PRINT("error",("Reverting to old privileges"));
servers_free();
}
end:
close_thread_tables(thd);
DBUG_PRINT("info", ("unlocking servers_cache"));
rw_unlock(&THR_LOCK_servers);
DBUG_RETURN(return_val);
}
/**
* @brief Free all loaded magma configuration options.
* @note First all magma config keys will be freed, then the cache servers, relay servers, and magma servers.
* @return This function returns no value.
*/
void config_free(void) {
for (uint64_t i = 0; i < sizeof(magma_keys) / sizeof(magma_keys_t); i++) {
switch (magma_keys[i].norm.type) {
case (M_TYPE_BLOCK):
if (*((void **)(magma_keys[i].store))) {
mm_free(*((void **)(magma_keys[i].store)));
}
break;
case (M_TYPE_NULLER):
if (*((char **)(magma_keys[i].store))) {
ns_free(*((char **)(magma_keys[i].store)));
}
break;
case (M_TYPE_STRINGER):
// Intercept the blacklist config key.
if (!st_cmp_cs_eq(NULLER(magma_keys[i].name), PLACER("magma.smtp.blacklist", 20))) {
for (uint32_t j = 0; j < magma.smtp.blacklists.count; j++) {
st_free(magma.smtp.blacklists.domain[j]);
}
}
else if (*((stringer_t **)(magma_keys[i].store))) {
st_free(*((stringer_t **)(magma_keys[i].store)));
}
break;
default:
#ifdef MAGMA_PEDANTIC
if (magma_keys[i].norm.type != M_TYPE_BOOLEAN && magma_keys[i].norm.type != M_TYPE_DOUBLE && magma_keys[i].norm.type != M_TYPE_FLOAT &&
magma_keys[i].norm.type != M_TYPE_INT16 && magma_keys[i].norm.type != M_TYPE_INT32 && magma_keys[i].norm.type != M_TYPE_INT64 &&
magma_keys[i].norm.type != M_TYPE_INT8 && magma_keys[i].norm.type != M_TYPE_UINT8 && magma_keys[i].norm.type != M_TYPE_UINT16 &&
magma_keys[i].norm.type != M_TYPE_UINT32 && magma_keys[i].norm.type != M_TYPE_UINT64 && magma_keys[i].norm.type != M_TYPE_ENUM) {
log_pedantic("Unexpected type. {type = %s = %u}", type(magma_keys[i].norm.type), magma_keys[i].norm.type);
}
#endif
break;
}
}
cache_free();
relay_free();
servers_free();
return;
}
