From e43a0c314461b5e5b107a723e2cc3f9abe38b1f0 Mon Sep 17 00:00:00 2001
From: bodqhrohro <bodqhrohro@gmail.com>
Date: Sun, 15 Dec 2019 04:26:07 +0200
Subject: Fix breaking the TDlib data on graceful exit

---
 telegram/connect.go | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'telegram/connect.go')

diff --git a/telegram/connect.go b/telegram/connect.go
index 7e9154c..b19e4ed 100644
--- a/telegram/connect.go
+++ b/telegram/connect.go
@@ -87,7 +87,7 @@ func (stateHandler *clientAuthorizer) Close() {
 
 // Connect starts TDlib connection
 func (c *Client) Connect() error {
-	if c.online {
+	if c.Online() {
 		return nil
 	}
 
@@ -113,8 +113,8 @@ func (c *Client) Connect() error {
 	}
 
 	c.client = tdlibClient
-	c.online = true
 	c.locks.authorizationReady.Done()
+	c.listener = tdlibClient.GetListener()
 
 	go c.updateHandler()
 
@@ -124,7 +124,7 @@ func (c *Client) Connect() error {
 // Disconnect drops TDlib connection
 func (c *Client) Disconnect() {
 	// already disconnected
-	if !c.online {
+	if !c.Online() {
 		return
 	}
 
@@ -140,14 +140,17 @@ func (c *Client) Disconnect() {
 		)
 	}
 
-	c.client.Destroy()
-	c.online = false
+	_, err := c.client.Close()
+	if err != nil {
+		log.Fatalf("Couldn't close the Telegram instance: %#v", c)
+	}
 }
 
 func (c *Client) interactor() {
 	for {
 		state, ok := <-c.authorizer.State
 		if !ok {
+			log.Error("Interactor is disconnected")
 			return
 		}
 
@@ -192,8 +195,14 @@ func (c *Client) interactor() {
 			}
 
 			gateway.SendPresence(c.xmpp, c.jid, gateway.SPStatus("Logged in "+c.Session.Login))
-
-			return
+		case client.TypeAuthorizationStateClosed:
+			log.Warn("Closing the updates listener")
+			c.listener.Close()
 		}
 	}
 }
+
+// Online checks if the updates listener is alive
+func (c *Client) Online() bool {
+	return c.listener != nil && c.listener.IsActive()
+}
-- 
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