2014-06-03 05:51:29 +04:00
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package replication
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2014-06-03 10:08:57 +04:00
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import (
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"bufio"
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"encoding/json"
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)
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const (
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MaxRelayLogFileSize int = 1024 * 1024 * 1024
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DefaultRelayLogFileSize int = MaxRelayLogFileSize
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)
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type RelayLogConfig struct {
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LogConfig
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}
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func (cfg *RelayLogConfig) adjust() {
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if cfg.MaxFileSize <= 0 {
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cfg.MaxFileSize = DefaultRelayLogFileSize
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} else if cfg.MaxFileSize > MaxRelayLogFileSize {
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cfg.MaxFileSize = MaxRelayLogFileSize
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}
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2014-06-03 12:19:39 +04:00
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//relaylog not care file num
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2014-06-03 10:08:57 +04:00
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cfg.MaxFileNum = -1
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cfg.LogType = "relay"
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}
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type relayLogHandler struct {
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}
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func (h *relayLogHandler) Write(wb *bufio.Writer, data []byte) (int, error) {
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return wb.Write(data)
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}
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func NewRelayLog(data json.RawMessage) (*Log, error) {
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var cfg RelayLogConfig
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if err := json.Unmarshal(data, &cfg); err != nil {
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return nil, err
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}
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return NewRelayLogWithConfig(&cfg)
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}
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func NewRelayLogWithConfig(cfg *RelayLogConfig) (*Log, error) {
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cfg.adjust()
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return newLog(new(relayLogHandler), &cfg.LogConfig)
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2014-06-03 05:51:29 +04:00
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}
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