From a188ece31ae32f89f945e1064c0a998454cdf936 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Fri, 18 Mar 2022 16:16:57 +0000 Subject: net.connect: When more targets are immediately available, try them after a delay RFC 8305 --- net/connect.lua | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/connect.lua b/net/connect.lua index 6bc5e6b5..241cc65b 100644 --- a/net/connect.lua +++ b/net/connect.lua @@ -1,6 +1,7 @@ local server = require "net.server"; local log = require "util.logger".init("net.connect"); local new_id = require "util.id".short; +local timer = require "util.timer"; -- TODO #1246 Happy Eyeballs -- FIXME RFC 6724 @@ -28,7 +29,7 @@ local pending_connection_listeners = {}; local function attempt_connection(p) p:log("debug", "Checking for targets..."); - p.target_resolver:next(function (conn_type, ip, port, extra) + p.target_resolver:next(function (conn_type, ip, port, extra, more_targets_available) if not conn_type then -- No more targets to try p:log("debug", "No more connection targets to try", p.target_resolver.last_error); @@ -47,6 +48,14 @@ local function attempt_connection(p) end p.conns[conn] = true; pending_connections_map[conn] = p; + if more_targets_available then + timer.add_task(0.250, function () + if not p.connected then + p:log("debug", "Still not connected, making parallel connection attempt..."); + attempt_connection(p); + end + end); + end end); end -- cgit v1.2.3