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Remove depth field from SERVER

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It was not really used anymore.
This commit is contained in:
Esa Korhonen
2018-06-27 14:07:12 +03:00
parent 960d08a36a
commit a59c0c61ce
7 changed files with 13 additions and 42 deletions
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30
server/modules/routing/readconnroute/readconnroute.cc
View File

@ -856,42 +856,28 @@ static uint64_t getCapabilities(MXS_ROUTER* instance)
return RCAP_TYPE_NONE;
}
/********************************
* This routine returns the root master server from MySQL replication tree
* Get the root Master rule:
/*
* This routine returns the master server from a MariaDB replication tree. The server must be
* running, not in maintenance and have the master bit set. If multiple masters are found,
* the one with the highest weight is chosen.
*
* find server with the lowest replication depth level
* and the SERVER_MASTER bitval
* Servers are checked even if they are in 'maintenance'
*
* @param servers The list of servers
* @return The Master found
* @param servers The list of servers
* @return The Master server
*
*/
static SERVER_REF *get_root_master(SERVER_REF *servers)
{
int i = 0;
SERVER_REF *master_host = NULL;
for (SERVER_REF *ref = servers; ref; ref = ref->next)
{
if (ref->active && SERVER_IS_MASTER(ref->server))
{
if (master_host == NULL)
// No master found yet or this one has higher weight.
if (master_host == NULL || ref->weight > master_host->weight)
{
master_host = ref;
}
else if (ref->server->depth < master_host->server->depth ||
(ref->server->depth == master_host->server->depth &&
ref->weight > master_host->weight))
{
/**
* This master has a lower depth than the candidate master or
* the depths are equal but this master has a higher weight
*/
master_host = ref;
}
}
}
return master_host;

10
server/modules/routing/readwritesplit/rwsplit_select_backends.cc
View File

@ -244,14 +244,12 @@ static void log_server_connections(select_criteria_t criteria, const SRWBackendL
SRWBackend get_root_master(const SRWBackendList& backends)
{
SRWBackend master;
for (auto it = backends.begin(); it != backends.end(); it++)
for (auto candidate : backends)
{
auto b = *it;
if (b->is_master() && (!master || b->server()->depth < master->server()->depth))
if (candidate->is_master())
{
master = b;
master = candidate;
break;
}
}