// NewTxPool creates a new TxPool. It's not operational until it's Open'd.
func NewTxPool(
name string,
txStatsPrefix string,
capacity int,
timeout time.Duration,
idleTimeout time.Duration,
enablePublishStats bool,
qStats *QueryServiceStats,
checker MySQLChecker) *TxPool {
txStatsName := ""
if enablePublishStats {
txStatsName = txStatsPrefix + "Transactions"
}
axp := &TxPool{
pool: NewConnPool(name, capacity, idleTimeout, enablePublishStats, qStats, checker),
activePool: pools.NewNumbered(),
lastID: sync2.NewAtomicInt64(time.Now().UnixNano()),
timeout: sync2.NewAtomicDuration(timeout),
ticks: timer.NewTimer(timeout / 10),
txStats: stats.NewTimings(txStatsName),
checker: checker,
queryServiceStats: qStats,
}
// Careful: pool also exports name+"xxx" vars,
// but we know it doesn't export Timeout.
if enablePublishStats {
stats.Publish(name+"Timeout", stats.DurationFunc(axp.timeout.Get))
}
return axp
}
func NewActivePool(queryTimeout, idleTimeout time.Duration) *ActivePool {
return &ActivePool{
pool: pools.NewNumbered(),
timeout: sync2.AtomicDuration(queryTimeout),
connPool: NewConnectionPool(1, idleTimeout),
ticks: timer.NewTimer(queryTimeout / 10),
}
}
func NewActiveTxPool(timeout time.Duration) *ActiveTxPool {
return &ActiveTxPool{
pool: pools.NewNumbered(),
lastId: sync2.AtomicInt64(time.Now().UnixNano()),
timeout: sync2.AtomicDuration(timeout),
ticks: timer.NewTimer(timeout / 10),
txStats: stats.NewTimings("Transactions"),
}
}
// resetVTGate resets the internal state of RpcVTGate.
func resetVTGate() (sess proto.Session) {
resetSandbox()
*RpcVTGate = VTGate{
balancerMap: NewBalancerMap(new(sandboxTopo), "aa", "vt"),
tabletProtocol: "sandbox",
connections: pools.NewNumbered(),
retryDelay: 1 * time.Second,
retryCount: 10,
}
RpcVTGate.GetSessionId(&proto.SessionParams{TabletType: "master"}, &sess)
return
}
func Init(blm *BalancerMap, tabletProtocol string, retryDelay time.Duration, retryCount int) {
if RpcVTGate != nil {
log.Fatalf("VTGate already initialized")
}
RpcVTGate = &VTGate{
balancerMap: blm,
tabletProtocol: tabletProtocol,
connections: pools.NewNumbered(),
retryDelay: retryDelay,
retryCount: retryCount,
}
proto.RegisterAuthenticated(RpcVTGate)
}
func NewActivePool(name string, queryTimeout time.Duration, connKiller *ConnectionKiller) *ActivePool {
ap := &ActivePool{
pool: pools.NewNumbered(),
timeout: sync2.AtomicDuration(queryTimeout),
ticks: timer.NewTimer(queryTimeout / 10),
connKiller: connKiller,
}
stats.Publish(name+"Size", stats.IntFunc(ap.pool.Size))
stats.Publish(
name+"Timeout",
stats.DurationFunc(func() time.Duration { return ap.timeout.Get() }),
)
return ap
}
func NewActiveTxPool(name string, timeout time.Duration) *ActiveTxPool {
axp := &ActiveTxPool{
pool: pools.NewNumbered(),
lastId: sync2.AtomicInt64(time.Now().UnixNano()),
timeout: sync2.AtomicDuration(timeout),
ticks: timer.NewTimer(timeout / 10),
txStats: stats.NewTimings("Transactions"),
}
stats.Publish(name+"Size", stats.IntFunc(axp.pool.Size))
stats.Publish(
name+"Timeout",
stats.DurationFunc(func() time.Duration { return axp.timeout.Get() }),
)
return axp
}
func NewTxPool(name string, capacity int, timeout, poolTimeout, idleTimeout time.Duration) *TxPool {
axp := &TxPool{
pool: dbconnpool.NewConnectionPool(name, capacity, idleTimeout),
activePool: pools.NewNumbered(),
lastId: sync2.AtomicInt64(time.Now().UnixNano()),
timeout: sync2.AtomicDuration(timeout),
poolTimeout: sync2.AtomicDuration(poolTimeout),
ticks: timer.NewTimer(timeout / 10),
txStats: stats.NewTimings("Transactions"),
}
// Careful: pool also exports name+"xxx" vars,
// but we know it doesn't export Timeout.
stats.Publish(name+"Timeout", stats.DurationFunc(axp.timeout.Get))
stats.Publish(name+"PoolTimeout", stats.DurationFunc(axp.poolTimeout.Get))
return axp
}
func (ap *ActivePool) Close() {
ap.ticks.Stop()
ap.connPool.Close()
ap.pool = pools.NewNumbered()
}
func NewReservedPool() *ReservedPool {
return &ReservedPool{pool: pools.NewNumbered(), lastId: 1}
}
func NewReservedPool(name string) *ReservedPool {
rp := &ReservedPool{pool: pools.NewNumbered(), lastId: 1}
stats.Publish(name+"Size", stats.IntFunc(rp.pool.Size))
return rp
}