mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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58 lines
2.3 KiB
Go
58 lines
2.3 KiB
Go
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package canonicallog
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import (
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"fmt"
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"math/rand"
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"net"
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"strings"
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"github.com/libp2p/go-libp2p/core/peer"
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logging "github.com/ipfs/go-log/v2"
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"github.com/multiformats/go-multiaddr"
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manet "github.com/multiformats/go-multiaddr/net"
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)
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var log = logging.WithSkip(logging.Logger("canonical-log"), 1)
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// LogMisbehavingPeer is the canonical way to log a misbehaving peer.
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// Protocols should use this to identify a misbehaving peer to allow the end
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// user to easily identify these nodes across protocols and libp2p.
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func LogMisbehavingPeer(p peer.ID, peerAddr multiaddr.Multiaddr, component string, err error, msg string) {
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log.Warnf("CANONICAL_MISBEHAVING_PEER: peer=%s addr=%s component=%s err=%q msg=%q", p, peerAddr.String(), component, err, msg)
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}
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// LogMisbehavingPeerNetAddr is the canonical way to log a misbehaving peer.
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// Protocols should use this to identify a misbehaving peer to allow the end
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// user to easily identify these nodes across protocols and libp2p.
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func LogMisbehavingPeerNetAddr(p peer.ID, peerAddr net.Addr, component string, originalErr error, msg string) {
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ma, err := manet.FromNetAddr(peerAddr)
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if err != nil {
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log.Warnf("CANONICAL_MISBEHAVING_PEER: peer=%s net_addr=%s component=%s err=%q msg=%q", p, peerAddr.String(), component, originalErr, msg)
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return
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}
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LogMisbehavingPeer(p, ma, component, originalErr, msg)
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}
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// LogPeerStatus logs any useful information about a peer. It takes in a sample
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// rate and will only log one in every sampleRate messages (randomly). This is
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// useful in surfacing events that are normal in isolation, but may be abnormal
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// in large quantities. For example, a successful connection from an IP address
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// is normal. 10,000 connections from that same IP address is not normal. libp2p
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// itself does nothing besides emitting this log. Hook this up to another tool
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// like fail2ban to action on the log.
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func LogPeerStatus(sampleRate int, p peer.ID, peerAddr multiaddr.Multiaddr, keyVals ...string) {
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if rand.Intn(sampleRate) == 0 {
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keyValsStr := strings.Builder{}
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for i, kOrV := range keyVals {
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if i%2 == 0 {
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fmt.Fprintf(&keyValsStr, " %v=", kOrV)
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} else {
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fmt.Fprintf(&keyValsStr, "%q", kOrV)
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}
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}
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log.Infof("CANONICAL_PEER_STATUS: peer=%s addr=%s sample_rate=%v%s", p, peerAddr.String(), sampleRate, keyValsStr.String())
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}
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}
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