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MXS-1661 Introduce 'users_refresh_time'

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It is now possible to explicitly specify how frequently MaxScale
may refresh the users of a service.
This commit is contained in:
Johan Wikman
2018-02-09 11:40:17 +02:00
parent ae160f3ff2
commit b4760c5bbe
6 changed files with 80 additions and 6 deletions
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38
server/core/config.c
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@ -1405,6 +1405,44 @@ handle_global_item(const char *name, const char *value)
{
gateway.local_address = MXS_STRDUP_A(value);
}
else if (strcmp(name, "users_refresh_time") == 0)
{
char* endptr;
long users_refresh_time = strtol(value, &endptr, 0);
if (*endptr == '\0')
{
if (users_refresh_time < 0)
{
MXS_NOTICE("Value of 'users_refresh_time' is less than 0, users will "
"not be automatically refreshed.");
// Strictly speaking they will be refreshed once every 68 years,
// but I just don't beleave the uptime will be that long.
users_refresh_time = INT32_MAX;
}
else if (users_refresh_time < USERS_REFRESH_TIME_MIN)
{
MXS_WARNING("%s is less than the allowed minimum value of %d for the "
"configuration option 'users_refresh_time', using the minimum value.",
value, USERS_REFRESH_TIME_MIN);
users_refresh_time = USERS_REFRESH_TIME_MIN;
}
if (users_refresh_time > INT32_MAX)
{
// To ensure that there will be no overflows when
// we later do arithmetic.
users_refresh_time = INT32_MAX;
}
gateway.users_refresh_time = users_refresh_time;
}
else
{
MXS_ERROR("%s is an invalid value for 'users_refresh_time', "
"using default %d instead.", value, USERS_REFRESH_TIME_DEFAULT);
gateway.users_refresh_time = USERS_REFRESH_TIME_DEFAULT;
}
}
else
{
for (i = 0; lognames[i].name; i++)