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Handle server echo that is received before a message send is completed

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This commit is contained in:
Jani Mustonen 2017-11-07 17:43:47 +02:00
parent 16ebc0bb73
commit 1c6470ea03
2 changed files with 31 additions and 19 deletions
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4
include/TimelineView.h
View File

@ -125,10 +125,10 @@ private:
// sender's name.
bool isSenderRendered(const QString &user_id, TimelineDirection direction);
bool isPendingMessage(const QString &eventid,
bool isPendingMessage(const QString &txnid,
const QString &sender,
const QString &userid);
void removePendingMessage(const QString &eventid);
void removePendingMessage(const QString &txnid);
bool isDuplicate(const QString &event_id) { return eventIds_.contains(event_id); };

46
src/TimelineView.cc
View File

@ -246,8 +246,9 @@ TimelineView::parseMessageEvent(const QJsonObject &event, TimelineDirection dire
eventIds_[text.eventId()] = true;
if (isPendingMessage(text.eventId(), text.sender(), local_user_)) {
removePendingMessage(text.eventId());
QString txnid = text.unsignedData().transactionId();
if (!txnid.isEmpty() && isPendingMessage(txnid, text.sender(), local_user_)) {
removePendingMessage(txnid);
return nullptr;
}
@ -291,8 +292,9 @@ TimelineView::parseMessageEvent(const QJsonObject &event, TimelineDirection dire
eventIds_[img.eventId()] = true;
if (isPendingMessage(img.eventId(), img.sender(), local_user_)) {
removePendingMessage(img.eventId());
QString txnid = img.unsignedData().transactionId();
if (!txnid.isEmpty() && isPendingMessage(txnid, img.sender(), local_user_)) {
removePendingMessage(txnid);
return nullptr;
}
@ -316,8 +318,9 @@ TimelineView::parseMessageEvent(const QJsonObject &event, TimelineDirection dire
eventIds_[emote.eventId()] = true;
if (isPendingMessage(emote.eventId(), emote.sender(), local_user_)) {
removePendingMessage(emote.eventId());
QString txnid = emote.unsignedData().transactionId();
if (!txnid.isEmpty() && isPendingMessage(txnid, emote.sender(), local_user_)) {
removePendingMessage(txnid);
return nullptr;
}
@ -495,10 +498,11 @@ TimelineView::addTimelineItem(TimelineItem *item, TimelineDirection direction)
void
TimelineView::updatePendingMessage(int txn_id, QString event_id)
{
Q_ASSERT(pending_msgs_.head().txn_id == txn_id);
auto msg = pending_msgs_.dequeue();
msg.event_id = event_id;
pending_sent_msgs_.append(msg);
if (pending_msgs_.head().txn_id == txn_id) { // We haven't received it yet
auto msg = pending_msgs_.dequeue();
msg.event_id = event_id;
pending_sent_msgs_.append(msg);
}
sendNextPendingMessage();
}
@ -582,7 +586,7 @@ TimelineView::notifyForLastEvent()
}
bool
TimelineView::isPendingMessage(const QString &eventid,
TimelineView::isPendingMessage(const QString &txnid,
const QString &sender,
const QString &local_userid)
{
@ -590,12 +594,12 @@ TimelineView::isPendingMessage(const QString &eventid,
return false;
for (const auto &msg : pending_msgs_) {
if (msg.event_id == eventid)
if (QString::number(msg.txn_id) == txnid)
return true;
}
for (const auto &msg : pending_sent_msgs_) {
if (msg.event_id == eventid)
if (QString::number(msg.txn_id) == txnid)
return true;
}
@ -603,13 +607,20 @@ TimelineView::isPendingMessage(const QString &eventid,
}
void
TimelineView::removePendingMessage(const QString &eventid)
TimelineView::removePendingMessage(const QString &txnid)
{
for (auto it = pending_sent_msgs_.begin(); it != pending_sent_msgs_.end(); ++it) {
if (it->event_id == eventid) {
if (QString::number(it->txn_id) == txnid) {
int index = std::distance(pending_sent_msgs_.begin(), it);
pending_sent_msgs_.removeAt(index);
break;
return;
}
}
for (auto it = pending_msgs_.begin(); it != pending_msgs_.end(); ++it) {
if (QString::number(it->txn_id) == txnid) {
int index = std::distance(pending_msgs_.begin(), it);
pending_msgs_.removeAt(index);
return;
}
}
}
@ -617,6 +628,7 @@ TimelineView::removePendingMessage(const QString &eventid)
void
TimelineView::handleFailedMessage(int txnid)
{
Q_ASSERT(pending_msgs_.head().txn_id == txnid);
// Note: We do this even if the message has already been echoed.
(void)txnid; // We don't need it.
QTimer::singleShot(500, this, SLOT(sendNextPendingMessage()));
}