From e9aebac1a2a4732763c2f7e4428a23983d4eb6a3 Mon Sep 17 00:00:00 2001
From: bt <bt@rctt.net>
Date: Fri, 10 Apr 2026 19:31:31 +0200
Subject: [common] Exchange messages between servers

---
 server/message.go | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'server/message.go')

diff --git a/server/message.go b/server/message.go
index c1384f7..2487abd 100644
--- a/server/message.go
+++ b/server/message.go
@@ -1,6 +1,8 @@
 package server
 
 import (
+	"errors"
+	"fmt"
 	"log"
 	"time"
 
@@ -27,3 +29,38 @@ func (s *Server) SendBroadcast(msg string) {
 		}
 	}
 }
+
+func (s *Server) handleMessage(msg core.Message) error {
+	log.Println("message:", msg.Source, "->", msg.Target, msg.Content)
+
+	channel, host, err := core.ReadAddr(msg.Target)
+	if err != nil {
+		return err
+	}
+
+	if host == s.name {
+		return s.handleLocalMessage(channel, msg)
+	}
+
+	return s.handleOutboundMessage(channel, host, msg)
+}
+
+func (s *Server) handleLocalMessage(channel string, msg core.Message) error {
+	s.usersMu.RLock()
+	user, ok := s.users[channel]
+	if !ok {
+		return errors.New("target not found")
+	}
+	s.usersMu.RUnlock()
+
+	return user.Send(msg)
+}
+
+func (s *Server) handleOutboundMessage(channel, host string, msg core.Message) error {
+	remote, err := s.getRemote(host)
+	if err != nil {
+		return fmt.Errorf("cannot access remote server: %w", err)
+	}
+
+	return core.Send(remote.Conn, msg)
+}
-- 
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