func newBinlogPlayerController(ts topo.Server, vtClientFactory func() binlogplayer.VtClient, mysqld mysqlctl.MysqlDaemon, cell string, keyRange *topodatapb.KeyRange, sourceShard *topodatapb.Shard_SourceShard, dbName string) *BinlogPlayerController {
blc := &BinlogPlayerController{
ts: ts,
vtClientFactory: vtClientFactory,
mysqld: mysqld,
cell: cell,
keyRange: keyRange,
dbName: dbName,
sourceShard: sourceShard,
binlogPlayerStats: binlogplayer.NewStats(),
healthCheck: discovery.NewHealthCheck(*binlogplayer.BinlogPlayerConnTimeout, *retryDelay, *healthCheckTimeout),
}
blc.shardReplicationWatcher = discovery.NewShardReplicationWatcher(ts, blc.healthCheck, cell, sourceShard.Keyspace, sourceShard.Shard, *healthCheckTopologyRefresh, 5)
return blc
}
// newBinlogPlayerController instantiates a new BinlogPlayerController.
// Use Start() and Stop() to start and stop it.
// Once stopped, you should call Close() to stop and free resources e.g. the
// healthcheck instance.
func newBinlogPlayerController(ts topo.Server, vtClientFactory func() binlogplayer.VtClient, mysqld mysqlctl.MysqlDaemon, cell string, keyRange *topodatapb.KeyRange, sourceShard *topodatapb.Shard_SourceShard, dbName string) *BinlogPlayerController {
healthCheck := discovery.NewHealthCheck(*binlogplayer.BinlogPlayerConnTimeout, *healthcheckRetryDelay, *healthCheckTimeout)
return &BinlogPlayerController{
ts: ts,
vtClientFactory: vtClientFactory,
mysqld: mysqld,
cell: cell,
keyRange: keyRange,
dbName: dbName,
sourceShard: sourceShard,
binlogPlayerStats: binlogplayer.NewStats(),
// Note: healthCheck and shardReplicationWatcher remain active independent
// of whether the BinlogPlayerController is Start()'d or Stop()'d.
// Use Close() after Stop() to finally close them and free their resources.
healthCheck: healthCheck,
shardReplicationWatcher: discovery.NewShardReplicationWatcher(ts, healthCheck, cell, sourceShard.Keyspace, sourceShard.Shard, *healthCheckTopologyRefresh, discovery.DefaultTopoReadConcurrency),
}
}
func newBinlogPlayerController(ts topo.Server, vtClientFactory func() binlogplayer.VtClient, mysqld mysqlctl.MysqlDaemon, cell string, keyspaceIDType pb.KeyspaceIdType, keyRange *pb.KeyRange, sourceShard *pb.Shard_SourceShard, dbName string) *BinlogPlayerController {
blc := &BinlogPlayerController{
ts: ts,
vtClientFactory: vtClientFactory,
mysqld: mysqld,
cell: cell,
keyspaceIDType: keyspaceIDType,
keyRange: keyRange,
dbName: dbName,
sourceShard: sourceShard,
binlogPlayerStats: binlogplayer.NewStats(),
healthCheck: discovery.NewHealthCheck(*binlogplayer.BinlogPlayerConnTimeout, *retryDelay),
initialEndpointFound: make(chan struct{}),
}
blc.healthCheck.SetListener(blc)
blc.shardReplicationWatcher = discovery.NewShardReplicationWatcher(ts, blc.healthCheck, cell, sourceShard.Keyspace, sourceShard.Shard, *healthcheckTopologyRefresh, 5)
return blc
}