47 lines
1 KiB
Go
47 lines
1 KiB
Go
package node
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import (
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"sync"
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"github.com/btcsuite/btclog"
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)
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// log is a logger that is initialized with no output filters. This
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// means the package will not perform any logging by default until the caller
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// requests it.
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var log btclog.Logger
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// The default amount of logging is none.
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func init() {
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DisableLog()
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}
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// DisableLog disables all library log output. Logging output is disabled
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// by default until either UseLogger or SetLogWriter are called.
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func DisableLog() {
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log = btclog.Disabled
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}
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// UseLogger uses a specified Logger to output package logging info.
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// This should be used in preference to SetLogWriter if the caller is also
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// using btclog.
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func UseLogger(logger btclog.Logger) {
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log = logger
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}
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var loggedStrings = map[string]bool{} // is this gonna get too large?
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var loggedStringsMutex sync.Mutex
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func LogOnce(s string) {
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loggedStringsMutex.Lock()
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defer loggedStringsMutex.Unlock()
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if loggedStrings[s] {
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return
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}
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loggedStrings[s] = true
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log.Info(s)
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}
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func Warn(s string) {
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log.Warn(s)
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}
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