encryption + helpers + contact card compression + server routing start

server/router.go

@@ -0,0 +1,61 @@
+package server
+
+import (
+	"context"
+	"time"
+
+	"forge.redroom.link/yves/meowlib"
+	"github.com/go-redis/redis"
+)
+
+type RedisRouter struct {
+	Name           string
+	ServerIdentity *Identity
+	Client         *redis.Client
+	Context        context.Context
+}
+
+func NewRedisRouter(server *Identity, url string, password string, db int) *RedisRouter {
+	var r RedisRouter
+	r.ServerIdentity = server
+	r.Name = "Redis"
+	r.Client = redis.NewClient(&redis.Options{
+		Addr:     url,
+		Password: password,
+		DB:       db,
+	})
+	r.Context = context.Background()
+	return &r
+}
+
+func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) *meowlib.FromServerMessage {
+	var from_server meowlib.FromServerMessage
+	if len(msg.Messages) > 0 { // user message
+		for _, usrmsg := range msg.Messages {
+			r.Client.ZAdd(usrmsg.Destination, redis.Z{float64(time.Now().Unix()), usrmsg.Payload})
+		}
+		from_server.UuidAck = msg.Uuid
+	}
+	if len(msg.PullRequest) > 0 {
+		for _, rq := range msg.PullRequest {
+			msgcnt := r.Client.ZCount(rq.LookupKey, "-inf", "+inf")
+			r.Client.ZPopMin(rq.LookupKey, msgcnt.Val())
+		}
+	}
+	/*
+		case "q": // query messages
+			break
+
+		case "s": // servers list
+			break
+
+		case "m": // matriochka
+			break
+		case "b": // broadcast
+			break
+		case "a": // admin
+			break
+		}
+	*/
+	return &from_server
+}