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Merge branch 'master' of https://github.com/EQEmu/Server into integration/multi-tenancy-expansions-repository

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This commit is contained in:
Akkadius
2020-04-18 02:31:43 -05:00
parent 4db646db94 5ce1fef9ec
commit a0f8bbb3b9
34 changed files with 513 additions and 177 deletions
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common/database_instances.cpp
+94 -46
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@@ -97,42 +97,53 @@ bool Database::CheckInstanceExists(uint16 instance_id) {
bool Database::CheckInstanceExpired(uint16 instance_id)
{
int32 start_time = 0;
int32 duration = 0;
int32 start_time = 0;
int32 duration = 0;
uint32 never_expires = 0;
std::string query = StringFormat("SELECT start_time, duration, never_expires FROM instance_list WHERE id=%u", instance_id);
std::string query = StringFormat(
"SELECT start_time, duration, never_expires FROM instance_list WHERE id=%u",
instance_id
);
auto results = QueryDatabase(query);
if (!results.Success())
if (!results.Success()) {
return true;
}
if (results.RowCount() == 0)
if (results.RowCount() == 0) {
return true;
}
auto row = results.begin();
start_time = atoi(row[0]);
duration = atoi(row[1]);
start_time = atoi(row[0]);
duration = atoi(row[1]);
never_expires = atoi(row[2]);
if (never_expires == 1)
if (never_expires == 1) {
return false;
}
timeval tv;
timeval tv{};
gettimeofday(&tv, nullptr);
if ((start_time + duration) <= tv.tv_sec)
return true;
return (start_time + duration) <= tv.tv_sec;
return false;
}
bool Database::CreateInstance(uint16 instance_id, uint32 zone_id, uint32 version, uint32 duration)
{
std::string query = StringFormat("INSERT INTO instance_list (id, zone, version, start_time, duration)"
" values(%lu, %lu, %lu, UNIX_TIMESTAMP(), %lu)",
(unsigned long)instance_id, (unsigned long)zone_id, (unsigned long)version, (unsigned long)duration);
std::string query = StringFormat(
"INSERT INTO instance_list (id, zone, version, start_time, duration)"
" values (%u, %u, %u, UNIX_TIMESTAMP(), %u)",
instance_id,
zone_id,
version,
duration
);
auto results = QueryDatabase(query);
return results.Success();
@@ -140,66 +151,84 @@ bool Database::CreateInstance(uint16 instance_id, uint32 zone_id, uint32 version
bool Database::GetUnusedInstanceID(uint16 &instance_id)
{
uint32 count = RuleI(Zone, ReservedInstances);
uint32 max = 65535;
uint32 max_reserved_instance_id = RuleI(Instances, ReservedInstances);
uint32 max = 32000;
std::string query = StringFormat(
"SELECT IFNULL(MAX(id),%u)+1 FROM instance_list WHERE id > %u",
max_reserved_instance_id,
max_reserved_instance_id
);
if (RuleB(Instances, RecycleInstanceIds)) {
query = (
SQL(
SELECT i.id + 1 AS next_available
FROM instance_list i
LEFT JOIN instance_list i2 ON i2.id = i.id + 1
WHERE i2.id IS NULL
ORDER BY i.id
LIMIT 0, 1;
)
);
}
std::string query = StringFormat("SELECT IFNULL(MAX(id),%u)+1 FROM instance_list WHERE id > %u", count, count);
auto results = QueryDatabase(query);
if (!results.Success())
{
if (!results.Success()) {
instance_id = 0;
return false;
}
if (results.RowCount() == 0)
{
instance_id = 0;
return false;
if (results.RowCount() == 0) {
instance_id = max_reserved_instance_id;
return true;
}
auto row = results.begin();
if (atoi(row[0]) <= max)
{
if (atoi(row[0]) <= max) {
instance_id = atoi(row[0]);
return true;
}
query = StringFormat("SELECT id FROM instance_list where id > %u ORDER BY id", count);
if (instance_id < max_reserved_instance_id) {
instance_id = max_reserved_instance_id;
return true;
}
query = StringFormat("SELECT id FROM instance_list where id > %u ORDER BY id", max_reserved_instance_id);
results = QueryDatabase(query);
if (!results.Success())
{
if (!results.Success()) {
instance_id = 0;
return false;
}
if (results.RowCount() == 0)
{
if (results.RowCount() == 0) {
instance_id = 0;
return false;
}
count++;
for (auto row = results.begin(); row != results.end(); ++row)
{
if (count < atoi(row[0]))
{
instance_id = count;
max_reserved_instance_id++;
for (auto row = results.begin(); row != results.end(); ++row) {
if (max_reserved_instance_id < atoi(row[0])) {
instance_id = max_reserved_instance_id;
return true;
}
if (count > max)
{
if (max_reserved_instance_id > max) {
instance_id = 0;
return false;
}
count++;
max_reserved_instance_id++;
}
instance_id = count;
instance_id = max_reserved_instance_id;
return true;
}
@@ -544,17 +573,36 @@ void Database::GetCharactersInInstance(uint16 instance_id, std::list<uint32> &ch
void Database::PurgeExpiredInstances()
{
std::string query("SELECT id FROM instance_list where (start_time+duration) <= UNIX_TIMESTAMP() and never_expires = 0");
/**
* Delay purging by a day so that we can continue using adjacent free instance id's
* from the table without risking the chance we immediately re-allocate a zone that freshly expired but
* has not been fully de-allocated
*/
std::string query =
SQL(
SELECT
id
FROM
instance_list
where
(start_time + duration) <= (UNIX_TIMESTAMP() - 86400)
and never_expires = 0
);
auto results = QueryDatabase(query);
if (!results.Success())
if (!results.Success()) {
return;
}
if (results.RowCount() == 0)
if (results.RowCount() == 0) {
return;
}
for (auto row = results.begin(); row != results.end(); ++row)
for (auto row = results.begin(); row != results.end(); ++row) {
DeleteInstance(atoi(row[0]));
}
}
void Database::SetInstanceDuration(uint16 instance_id, uint32 new_duration)
@@ -562,4 +610,4 @@ void Database::SetInstanceDuration(uint16 instance_id, uint32 new_duration)
std::string query = StringFormat("UPDATE `instance_list` SET start_time=UNIX_TIMESTAMP(), "
"duration=%u WHERE id=%u", new_duration, instance_id);
auto results = QueryDatabase(query);
}
}