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Remove SERVER->slaves field

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The field was only used by MariaDB-Monitor. A later commit will add equivalent
information to the monitor diagnostics function.
This commit is contained in:
Esa Korhonen 2018-04-27 16:19:57 +03:00
parent b6eff12334
commit b44f2cfa36
3 changed files with 0 additions and 59 deletions
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1
include/maxscale/server.h
View File

@ -148,7 +148,6 @@ typedef struct server
unsigned long node_ts; /**< Last timestamp set from M/S monitor module */
long master_id; /**< Master server id of this node */
int depth; /**< Replication level in the tree */
long slaves[MAX_NUM_SLAVES]; /**< Slaves of this node */
// Misc fields
char *auth_options; /**< Authenticator options, not used. TODO: Remove. */
bool master_err_is_logged; /**< If node failed, this indicates whether it is logged. Only used

30
server/core/server.cc
View File

@ -516,24 +516,6 @@ dprintServer(DCB *dcb, const SERVER *server)
mon_get_event_name((mxs_monitor_event_t)server->last_event));
time_t t = maxscale_started() + MXS_CLOCK_TO_SEC(server->triggered_at);
dcb_printf(dcb, "\tTriggered at: %s\n", http_to_date(t).c_str());
if (server->slaves)
{
int i;
dcb_printf(dcb, "\tSlave Ids: ");
for (i = 0; server->slaves[i]; i++)
{
if (i == 0)
{
dcb_printf(dcb, "%li", server->slaves[i]);
}
else
{
dcb_printf(dcb, ", %li ", server->slaves[i]);
}
}
dcb_printf(dcb, "\n");
}
dcb_printf(dcb, "\tRepl Depth: %d\n", server->depth);
if (SERVER_IS_SLAVE(server) || SERVER_IS_RELAY_SERVER(server))
{
@ -1468,18 +1450,6 @@ static json_t* server_json_attributes(const SERVER* server)
json_object_set_new(attr, "last_event", json_string(event_name));
json_object_set_new(attr, "triggered_at", json_string(http_to_date(t).c_str()));
if (server->slaves)
{
json_t* slaves = json_array();
for (int i = 0; server->slaves[i]; i++)
{
json_array_append_new(slaves, json_integer(server->slaves[i]));
}
json_object_set_new(attr, "slaves", slaves);
}
if (server->rlag >= 0)
{
json_object_set_new(attr, "replication_lag", json_integer(server->rlag));

28
server/modules/monitor/mariadbmon/cluster_discovery.cc
View File

@ -16,7 +16,6 @@
#include <maxscale/modutil.h>
#include <maxscale/mysql_utils.h>
static int add_slave_to_master(long *slaves_list, int list_size, long node_id);
static bool check_replicate_ignore_table(MXS_MONITORED_SERVER* database);
static bool check_replicate_do_table(MXS_MONITORED_SERVER* database);
static bool check_replicate_wild_do_table(MXS_MONITORED_SERVER* database);
@ -118,8 +117,6 @@ MXS_MONITORED_SERVER* MariaDBMonitor::get_replication_tree()
master_cand = getServerByNodeId(current->master_id);
if (master_cand && master_cand->server && master_cand->server->node_id > 0)
{
add_slave_to_master(master_cand->server->slaves, sizeof(master_cand->server->slaves),
current->node_id);
master_cand->server->depth = current->depth - 1;
if (m_master && master_cand->server->depth < m_master->m_server_base->server->depth)
@ -177,28 +174,6 @@ MXS_MONITORED_SERVER* MariaDBMonitor::get_replication_tree()
}
}
/*******
* This function add a slave id into the slaves server field
* of its master server
*
* @param slaves_list The slave list array of the master server
* @param list_size The size of the slave list
* @param node_id The node_id of the slave to be inserted
* @return 1 for inserted value and 0 otherwise
*/
static int add_slave_to_master(long *slaves_list, int list_size, long node_id)
{
for (int i = 0; i < list_size; i++)
{
if (slaves_list[i] == 0)
{
slaves_list[i] = node_id;
return 1;
}
}
return 0;
}
/**
* Fetch a node by node_id
*
@ -903,9 +878,6 @@ void MariaDBMonitor::monitor_one_server(MariaDBServer& server)
/* monitor current node */
monitor_database(get_server_info(ptr));
/* reset the slave list of current node */
memset(&ptr->server->slaves, 0, sizeof(ptr->server->slaves));
if (mon_status_changed(ptr))
{
if (SRV_MASTER_STATUS(ptr->mon_prev_status))