// newServer creates and returns a server struct.
func newServer(
ambient log.AmbientContext,
nodeID *base.NodeIDContainer,
stopper *stop.Stopper,
registry *metric.Registry,
) *server {
s := &server{
AmbientContext: ambient,
NodeID: nodeID,
stopper: stopper,
tighten: make(chan struct{}, 1),
nodeMetrics: makeMetrics(),
serverMetrics: makeMetrics(),
}
s.mu.is = newInfoStore(s.AmbientContext, nodeID, util.UnresolvedAddr{}, stopper)
s.mu.incoming = makeNodeSet(minPeers, metric.NewGauge(MetaConnectionsIncomingGauge))
s.mu.nodeMap = make(map[util.UnresolvedAddr]serverInfo)
s.mu.ready = make(chan struct{})
registry.AddMetric(s.mu.incoming.gauge)
registry.AddMetricStruct(s.nodeMetrics)
return s
}
func makeNodeMetrics(reg *metric.Registry, sampleInterval time.Duration) nodeMetrics {
nm := nodeMetrics{
Latency: metric.NewLatency(metaExecLatency, sampleInterval),
Success: metric.NewCounter(metaExecSuccess),
Err: metric.NewCounter(metaExecError),
}
reg.AddMetricStruct(nm)
return nm
}