Refactor admin socket, export request/response structs, remove types package

src/admin/getsessions.go

@@ -0,0 +1,30 @@
+package admin
+
+import (
+	"encoding/hex"
+	"net"
+
+	"github.com/yggdrasil-network/yggdrasil-go/src/address"
+)
+
+type GetSessionsRequest struct{}
+
+type GetSessionsResponse struct {
+	Sessions map[string]SessionEntry `json:"sessions"`
+}
+
+type SessionEntry struct {
+	PublicKey string `json:"key"`
+}
+
+func (a *AdminSocket) getSessionsHandler(req *GetSessionsRequest, res *GetSessionsResponse) error {
+	res.Sessions = map[string]SessionEntry{}
+	for _, s := range a.core.GetSessions() {
+		addr := address.AddrForKey(s.Key)
+		so := net.IP(addr[:]).String()
+		res.Sessions[so] = SessionEntry{
+			PublicKey: hex.EncodeToString(s.Key[:]),
+		}
+	}
+	return nil
+}