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99 lines
3.2 KiB
Go
99 lines
3.2 KiB
Go
package aws
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import (
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"log"
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"os"
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)
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// A LogLevelType defines the level logging should be performed at. Used to instruct
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// the SDK which statements should be logged.
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type LogLevelType uint
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// LogLevel returns the pointer to a LogLevel. Should be used to workaround
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// not being able to take the address of a non-composite literal.
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func LogLevel(l LogLevelType) *LogLevelType {
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return &l
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}
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// Value returns the LogLevel value or the default value LogOff if the LogLevel
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// is nil. Safe to use on nil value LogLevelTypes.
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func (l *LogLevelType) Value() LogLevelType {
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if l != nil {
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return *l
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}
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return LogOff
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}
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// Matches returns true if the v LogLevel is enabled by this LogLevel. Should be
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// used with logging sub levels. Is safe to use on nil value LogLevelTypes. If
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// LogLevel is nill, will default to LogOff comparison.
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func (l *LogLevelType) Matches(v LogLevelType) bool {
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c := l.Value()
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return c&v == v
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}
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// AtLeast returns true if this LogLevel is at least high enough to satisfies v.
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// Is safe to use on nil value LogLevelTypes. If LogLevel is nill, will default
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// to LogOff comparison.
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func (l *LogLevelType) AtLeast(v LogLevelType) bool {
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c := l.Value()
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return c >= v
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}
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const (
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// LogOff states that no logging should be performed by the SDK. This is the
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// default state of the SDK, and should be use to disable all logging.
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LogOff LogLevelType = iota * 0x1000
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// LogDebug state that debug output should be logged by the SDK. This should
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// be used to inspect request made and responses received.
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LogDebug
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)
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// Debug Logging Sub Levels
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const (
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// LogDebugWithSigning states that the SDK should log request signing and
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// presigning events. This should be used to log the signing details of
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// requests for debugging. Will also enable LogDebug.
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LogDebugWithSigning LogLevelType = LogDebug | (1 << iota)
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// LogDebugWithHTTPBody states the SDK should log HTTP request and response
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// HTTP bodys in addition to the headers and path. This should be used to
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// see the body content of requests and responses made while using the SDK
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// Will also enable LogDebug.
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LogDebugWithHTTPBody
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// LogDebugWithRequestRetries states the SDK should log when service requests will
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// be retried. This should be used to log when you want to log when service
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// requests are being retried. Will also enable LogDebug.
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LogDebugWithRequestRetries
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// LogDebugWithRequestErrors states the SDK should log when service requests fail
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// to build, send, validate, or unmarshal.
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LogDebugWithRequestErrors
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)
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// A Logger is a minimalistic interface for the SDK to log messages to. Should
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// be used to provide custom logging writers for the SDK to use.
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type Logger interface {
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Log(...interface{})
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}
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// NewDefaultLogger returns a Logger which will write log messages to stdout, and
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// use same formatting runes as the stdlib log.Logger
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func NewDefaultLogger() Logger {
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return &defaultLogger{
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logger: log.New(os.Stdout, "", log.LstdFlags),
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}
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}
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// A defaultLogger provides a minimalistic logger satisfying the Logger interface.
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type defaultLogger struct {
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logger *log.Logger
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}
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// Log logs the parameters to the stdlib logger. See log.Println.
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func (l defaultLogger) Log(args ...interface{}) {
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l.logger.Println(args...)
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}
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