verse
6c3797c0bb44
client.lua

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client.lua @ 458:6c3797c0bb44

client: Correctly randomize SRV targets (thanks Zash)
author Matthew Wild <mwild1@gmail.com>
date Thu, 16 Mar 2023 11:42:28 +0000
parent 457:73d4eb93657b
child 459:6be4182cfb31
comparison
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457:73d4eb93657b 458:6c3797c0bb44
21 21
22 local new_xmpp_stream = require "util.xmppstream".new; 22 local new_xmpp_stream = require "util.xmppstream".new;
23 23
24 local xmlns_stream = "http://etherx.jabber.org/streams"; 24 local xmlns_stream = "http://etherx.jabber.org/streams";
25 25
26 local function compare_srv_priorities(a,b) 26 local function compare_srv_priorities(a, b)
27 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight); 27 if a.priority == b.priority then
28 if not a.weight_r then
29 a.weight_r = math.random();
30 end
31 if not b.weight_r then
32 b.weight_r = math.random();
33 end
34 return (1 + a.weight) * a.weight_r > (1 + b.weight) * b.weight_r;
35 end
36 return a.priority < b.priority;
28 end 37 end
29 38
30 local stream_callbacks = { 39 local stream_callbacks = {
31 stream_ns = xmlns_stream, 40 stream_ns = xmlns_stream,
32 stream_tag = "stream", 41 stream_tag = "stream",