X-Git-Url: https://git.jsancho.org/?p=midgaard_bot.git;a=blobdiff_plain;f=sessions.go;h=17fa54555dcc062ec2a449e6f9700f4162070ec0;hp=7dd2df3c1b448d7f0e22742451978c23585d0d18;hb=refs%2Fheads%2Fmaster;hpb=54d3318115d6fd32364f5993ff67d0461c162aef

diff --git a/sessions.go b/sessions.go
index 7dd2df3..17fa545 100644
--- a/sessions.go
+++ b/sessions.go
@@ -1,10 +1,28 @@
+/*
+midgaard_bot, a Telegram bot which sets a bridge to Midgaard Merc MUD
+Copyright (C) 2017 by Javier Sancho Fernandez <jsf at jsancho dot org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 package main
 
 import (
 	"context"
-	"log"
 
 	"github.com/go-telegram-bot-api/telegram-bot-api"
+	"github.com/reiver/go-telnet"
 )
 
 type Session struct {
@@ -13,10 +31,12 @@ type Session struct {
 }
 
 var sessions map[int64]*Session
+var mercHost string
 var sessionsCtx context.Context
 
-func initSessions(ctx context.Context) error {
+func initSessions(host string, ctx context.Context) error {
 	sessions = make(map[int64]*Session)
+	mercHost = host
 	sessionsCtx = ctx
 	return nil
 }
@@ -38,19 +58,31 @@ func newSession(chat *tgbotapi.Chat) *Session {
 
 func startSession(session *Session) {
 	ctx, _ := context.WithCancel(sessionsCtx)
+
 	go func() {
-		for {
-			select {
-			case msg := <-session.Input:
-				log.Printf("[%s] %s", msg.From.UserName, msg.Text)
-
-				newMsg := tgbotapi.NewMessage(msg.Chat.ID, msg.Text)
-				newMsg.ReplyToMessageID = msg.MessageID
-				sendToTelegram(newMsg)
-			case <-ctx.Done():
-				return
-			}
+		telnetInput, telnetOutput := make(chan string), make(chan string)
+		caller := TelnetCaller{
+			Input: telnetInput,
+			Output: telnetOutput,
 		}
+
+		go func() {
+			for {
+				select {
+				case msg := <-session.Input:
+					if msg.Text != "/start" {
+						telnetInput <- msg.Text
+					}
+				case body := <-telnetOutput:
+					newMsg := tgbotapi.NewMessage(session.Chat.ID, body)
+					sendToTelegram(newMsg)
+				case <-ctx.Done():
+					return
+				}
+			}
+		}()
+
+		telnet.DialToAndCall(mercHost, caller)
 	}()
 }