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presence: Remove suspect_offline flag.

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We now use user_ids for presence, so we don't need
to worry about races related to unknown emails
being sent to us.  Now we just update the data
structure based on user_id, and
it will be there when we render the presence
widget for that user_id, or else it will
simply be ignored.

It's not clear to me whether we still need
dont_block here, so I didn't touch that code.

Here is the commit that added the suspect_offline
flag, for easy reference:

f207450cdb
This commit is contained in:
Steve Howell
2020-02-03 14:13:10 +00:00
committed by Tim Abbott
parent bf9144ff69
commit 36aee9e69c
1 changed files with 0 additions and 14 deletions
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14
static/js/server_events.js
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@@ -9,12 +9,6 @@ let get_events_timeout;
let get_events_failures = 0;
const get_events_params = {};
// This field keeps track of whether we are attempting to
// force-reconnect to the events server due to suspecting we are
// offline. It is important for avoiding races with the presence
// system when coming back from unsuspend.
exports.suspect_offline = false;
function get_events_success(events) {
let messages = [];
const update_message_events = [];
@@ -178,13 +172,6 @@ function get_events(options) {
get_events_params.dont_block = options.dont_block || get_events_failures > 0;
if (get_events_params.dont_block) {
// If we're requesting an immediate re-connect to the server,
// that means it's fairly likely that this client has been off
// the Internet and thus may have stale state (which is
// important for potential presence issues).
exports.suspect_offline = true;
}
if (get_events_params.queue_id === undefined) {
get_events_params.queue_id = page_params.queue_id;
get_events_params.last_event_id = page_params.last_event_id;
@@ -207,7 +194,6 @@ function get_events(options) {
idempotent: true,
timeout: page_params.poll_timeout,
success: function (data) {
exports.suspect_offline = false;
try {
get_events_xhr = undefined;
get_events_failures = 0;