Function RegisterSubChannel

internal/channelz/funcs.go:146–162

RegisterSubChannel registers the given subChannel c in the channelz database with ref as its reference name, and adds it to the child list of its parent (identified by pid). Returns a unique channelz identifier assigned to this subChannel. If channelz is not turned ON, the channelz database is not

(parent *Channel, ref string)

//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterSubChannel(parent *Channel, ref string) *SubChannel {
	id := IDGen.genID()
	sc := &SubChannel{
		ID:      id,
		RefName: ref,
		parent:  parent,
	}

	if !IsOn() {
		return sc
	}

	sc.sockets = make(map[int64]string)
	sc.trace = &ChannelTrace{CreationTime: time.Now(), Events: make([]*traceEvent, 0, getMaxTraceEntry())}
	db.addSubChannel(id, sc, parent.ID)
	return sc
}

// RegisterServer registers the given server s in channelz database. It returns
// the unique channelz tracking id assigned to this server.