lnd/lnrpc/devrpc/log.go
Andras Banki-Horvath 1a8f094503
lnrpc: add the devrpc development only subserver + devrpc.ImportGraph
This commits adds the devrpc package which implements a subserver that
adds clean separation for RPC calls useful for development and
debugging. This subserver is only compiled in if the dev tag is set.
Furthermore the commit adds the devrpc.ImportGraph call which can
import a graph dump obtained from another node by calling DescribeGraph.
Since the graph dump does not include the auth proofs, the imported
channels will be considered private.
2022-01-24 17:42:59 +01:00

46 lines
1.3 KiB
Go

package devrpc
import (
"github.com/btcsuite/btclog"
"github.com/lightningnetwork/lnd/build"
)
// log is a logger that is initialized with no output filters. This means the
// package will not perform any logging by default until the caller requests
// it.
var log btclog.Logger
// The default amount of logging is none.
func init() {
UseLogger(build.NewSubLogger("DRPC", nil))
}
// DisableLog disables all library log output. Logging output is disabled by
// by default until UseLogger is called.
func DisableLog() {
UseLogger(btclog.Disabled)
}
// UseLogger uses a specified Logger to output package logging info. This
// should be used in preference to SetLogWriter if the caller is also using
// btclog.
func UseLogger(logger btclog.Logger) {
log = logger
}
// logClosure is used to provide a closure over expensive logging operations so
// don't have to be performed when the logging level doesn't warrant it.
type logClosure func() string // nolint:unused
// String invokes the underlying function and returns the result.
func (c logClosure) String() string {
return c()
}
// newLogClosure returns a new closure over a function that returns a string
// which itself provides a Stringer interface so that it can be used with the
// logging system.
func newLogClosure(c func() string) logClosure { // nolint:unused
return logClosure(c)
}