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https://github.com/lightninglabs/faraday.git
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a51f229830
We need to move the call that sets all log levels out of the config validation. Otherwise this will overwrite all subsystem log levels in LiT where we call the faraday.ValidateConfig() function but have already set up our loggers. At the same time we remove the unnecessary global logWriter variable.
87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
package faraday
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import (
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"github.com/btcsuite/btclog"
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"github.com/lightningnetwork/lnd/build"
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"github.com/lightningnetwork/lnd/signal"
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"github.com/lightninglabs/faraday/accounting"
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"github.com/lightninglabs/faraday/dataset"
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"github.com/lightninglabs/faraday/fiat"
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"github.com/lightninglabs/faraday/frdrpc"
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"github.com/lightninglabs/faraday/recommend"
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"github.com/lightninglabs/faraday/revenue"
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)
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// Subsystem defines the logging code for this subsystem.
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const Subsystem = "FRDY"
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var (
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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
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// caller requests it.
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log btclog.Logger
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)
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// SetupLoggers initializes all package-global logger variables.
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func SetupLoggers(root *build.RotatingLogWriter, intercept signal.Interceptor) {
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genLogger := genSubLogger(root, intercept)
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log = build.NewSubLogger(Subsystem, genLogger)
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setSubLogger(root, Subsystem, log, nil)
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addSubLogger(root, recommend.Subsystem, intercept, recommend.UseLogger)
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addSubLogger(root, dataset.Subsystem, intercept, dataset.UseLogger)
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addSubLogger(root, frdrpc.Subsystem, intercept, frdrpc.UseLogger)
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addSubLogger(root, revenue.Subsystem, intercept, revenue.UseLogger)
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addSubLogger(root, fiat.Subsystem, intercept, fiat.UseLogger)
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addSubLogger(root, accounting.Subsystem, intercept, accounting.UseLogger)
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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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// genSubLogger creates a logger for a subsystem. We provide an instance of
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// a signal.Interceptor to be able to shutdown in the case of a critical error.
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func genSubLogger(root *build.RotatingLogWriter,
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interceptor signal.Interceptor) func(string) btclog.Logger {
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// Create a shutdown function which will request shutdown from our
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// interceptor if it is listening.
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shutdown := func() {
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if !interceptor.Listening() {
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return
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}
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interceptor.RequestShutdown()
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}
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// Return a function which will create a sublogger from our root
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// logger without shutdown fn.
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return func(tag string) btclog.Logger {
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return root.GenSubLogger(tag, shutdown)
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}
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}
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// addSubLogger is a helper method to conveniently create and register the
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// logger of a sub system.
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func addSubLogger(root *build.RotatingLogWriter, subsystem string,
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interceptor signal.Interceptor, useLogger func(btclog.Logger)) {
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logger := build.NewSubLogger(subsystem, genSubLogger(root, interceptor))
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setSubLogger(root, subsystem, logger, useLogger)
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}
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// setSubLogger is a helper method to conveniently register the logger of a sub
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// system.
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func setSubLogger(root *build.RotatingLogWriter, subsystem string,
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logger btclog.Logger, useLogger func(btclog.Logger)) {
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root.RegisterSubLogger(subsystem, logger)
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if useLogger != nil {
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useLogger(logger)
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}
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}
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