func()

in hashring/hashring.go [146:186]

• 33 lines of code
• 5 McCabe index (conditional complexity)

func (r *HashRing) computeChecksumsNoLock() {
	oldChecksums := r.checksums

	r.checksums = make(map[string]uint32)
	changed := false
	// calculate all configured checksums
	for name, checksummer := range r.checksummers {
		oldChecksum := oldChecksums[name]
		newChecksum := checksummer.Checksum(r)
		r.checksums[name] = newChecksum

		if oldChecksum != newChecksum {
			changed = true
		}
	}

	// calculate the legacy identity only based checksum
	legacyChecksummer := identityChecksummer{}
	oldChecksum := r.legacyChecksum
	newChecksum := legacyChecksummer.Checksum(r)
	r.legacyChecksum = newChecksum

	if oldChecksum != newChecksum {
		changed = true
	}

	if changed {
		r.logger.WithFields(bark.Fields{
			"checksum":    r.legacyChecksum,
			"oldChecksum": oldChecksum,
			"checksums":   r.checksums,
		}).Debug("ringpop ring computed new checksum")
	}

	r.EmitEvent(events.RingChecksumEvent{
		OldChecksum:  oldChecksum,
		NewChecksum:  r.legacyChecksum,
		OldChecksums: oldChecksums,
		NewChecksums: r.checksums,
	})
}