relay/api: disconnect cleanly when the remote is quitting (closes #2168)

CHANGELOG.md

@@ -69,6 +69,7 @@
 - relay/api: fix read of one buffer line
 - relay/api: automatically disconnect when the command `/upgrade` is executed on the remote
 - relay/api: disconnect from remote in case of error when sending data
+- relay/api: disconnect cleanly when the remote is quitting ([#2168](https://github.com/weechat/weechat/issues/2168))
 - relay: fix websocket permessage-deflate extension when the client doesn't send the max window bits parameters ([#1549](https://github.com/weechat/weechat/issues/1549))
 - relay: fix allocation and reinit of field "client_context_takeover" in websocket deflate structure ([#1549](https://github.com/weechat/weechat/issues/1549))
 - spell: improve error displayed when a word can not be added to the dictionary ([#2144](https://github.com/weechat/weechat/issues/2144))

src/plugins/relay/api/remote/relay-remote-event.c

@@ -1170,6 +1170,16 @@ RELAY_REMOTE_EVENT_CALLBACK(upgrade)
     return WEECHAT_RC_OK;
 }
 
+/*
+ * Callback for event "quit".
+ */
+
+RELAY_REMOTE_EVENT_CALLBACK(quit)
+{
+    relay_remote_network_disconnect (event->remote);
+    return WEECHAT_RC_OK;
+}
+
 /*
  * Synchronizes with remote.
  */
@@ -1227,6 +1237,7 @@ relay_remote_event_recv (struct t_relay_remote *remote, const char *data)
         { "nicklist_group_*", &relay_remote_event_cb_nick_group },
         { "nicklist_nick_*", &relay_remote_event_cb_nick },
         { "upgrade*", &relay_remote_event_cb_upgrade },
+        { "quit", &relay_remote_event_cb_quit },
         { NULL, NULL },
     };
     t_relay_remote_event_func *callback;

tests/unit/plugins/relay/api/remote/test-relay-remote-event.cpp

@@ -255,6 +255,26 @@ TEST(RelayRemoteEvent, CbVersion)
     /* TODO: write tests */
 }
 
+/*
+ * Tests functions:
+ *   relay_remote_event_cb_upgrade
+ */
+
+TEST(RelayRemoteEvent, CbUpgrade)
+{
+    /* TODO: write tests */
+}
+
+/*
+ * Tests functions:
+ *   relay_remote_event_cb_quit
+ */
+
+TEST(RelayRemoteEvent, CbQuit)
+{
+    /* TODO: write tests */
+}
+
 /*
  * Tests functions:
  *   relay_remote_event_sync_with_remote