forked from blue/squawk
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484d6c34f0
@ -261,7 +261,7 @@ std::list<Shared::Message> Core::Archive::getBefore(int count, const QString& id
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rc = mdb_cursor_open(txn, order, &cursor);
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rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_LAST);
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if (rc) {
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qDebug() << "Error geting before newest newest " << mdb_strerror(rc);
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qDebug() << "Error geting before " << mdb_strerror(rc);
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mdb_cursor_close(cursor);
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mdb_txn_abort(txn);
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throw new Empty(jid.toStdString());
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179
core/contact.cpp
179
core/contact.cpp
@ -31,7 +31,8 @@ Core::Contact::Contact(const QString& pJid, const QString& account, QObject* par
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receivedCount(0),
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hisoryCache(),
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appendCache(),
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requestCache()
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requestCache(),
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responseCache()
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{
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archive->open(account);
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if (archive->isFromTheBeginning()) {
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@ -115,31 +116,157 @@ void Core::Contact::requestHistory(int count, const QString& before)
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if (syncronizing) {
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requestCache.emplace_back(count, before);
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} else {
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switch (archiveState) {
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case empty:
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if (appendCache.size() != 0) {
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//from last
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} else {
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//search
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}
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break;
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case beginning:
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//from last
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break;
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case end:
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//try
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break;
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case chunk:
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//from last
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break;
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case complete:
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//just give
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break;
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}
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syncronizing = true;
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requestedCount = count;
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receivedCount = 0;
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hisoryCache.clear();
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performRequest(count, before);
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}
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}
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void Core::Contact::nextRequest()
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{
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if (requestCache.size() > 0) {
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std::pair<int, QString> request = requestCache.front();
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requestCache.pop_front();
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performRequest(request.first, request.second);
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} else {
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syncronizing = false;
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requestedCount = 0;
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receivedCount = 0;
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hisoryCache.clear();
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responseCache.clear();
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}
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}
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void Core::Contact::performRequest(int count, const QString& before)
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{
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syncronizing = true;
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requestedCount = count;
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receivedCount = 0;
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hisoryCache.clear();
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responseCache.clear();
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switch (archiveState) {
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case empty:
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emit needEarlierHistory(before, "", QDateTime(), QDateTime());
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break;
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case beginning: {
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QString lBefore;
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bool found = false;
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if (appendCache.size() != 0) {
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if (before.size() == 0) {
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lBefore = appendCache.back().getId();
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}
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for (std::list<Shared::Message>::const_reverse_iterator itr = appendCache.rbegin(), end = appendCache.rend(); itr != end; ++itr) {
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const Shared::Message& msg = *itr;
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if (found) {
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responseCache.emplace_front(msg);
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++receivedCount;
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} else {
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if (msg.getId() == before) {
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found = true;
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responseCache.emplace_front(*itr);
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++receivedCount;
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}
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}
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if (responseCache.size() == count) {
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break;
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}
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}
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if (responseCache.size() == count) {
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emit historyResponse(responseCache);
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nextRequest();
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break;
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}
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}
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if (found) {
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lBefore = responseCache.front().getId();
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emit needEarlierHistory(lBefore, "", QDateTime(), QDateTime());
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} else {
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std::list<Shared::Message> arc;
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if (responseCache.size() > 0) {
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lBefore = responseCache.front().getId();
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} else {
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lBefore = before;
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}
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if (count != -1) {
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try {
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arc = archive->getBefore(requestedCount - receivedCount, lBefore);
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responseCache.insert(responseCache.begin(), arc.begin(), arc.end());
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emit historyResponse(responseCache);
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nextRequest();
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} catch (Archive::NotFound e) {
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requestCache.emplace_back(count, before);
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requestedCount = -1;
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emit needEarlierHistory("", archive->newestId(), QDateTime(), QDateTime());
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}
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} else {
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try {
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arc = archive->getBefore(1, lBefore);
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//just do nothing since response is not required
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nextRequest(); //may be even it's a signal that the history is now complete?
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} catch (Archive::NotFound e) {
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emit needEarlierHistory("", archive->newestId(), QDateTime(), QDateTime());
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}
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}
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}
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}
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break;
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case end:
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std::list<Shared::Message> arc;
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if (count != -1) {
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try {
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arc = archive->getBefore(requestedCount - receivedCount, before);
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responseCache.insert(responseCache.begin(), arc.begin(), arc.end());
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emit historyResponse(responseCache);
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nextRequest();
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} catch (Archive::NotFound e) {
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requestCache.emplace_back(count, before);
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requestedCount = -1;
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emit needEarlierHistory("", archive->newestId(), QDateTime(), QDateTime());
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}
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} else {
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try {
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arc = archive->getBefore(1, before);
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//just do nothing since response is not required
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nextRequest(); //may be even it's a signal that the history is now complete?
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} catch (Archive::NotFound e) {
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emit needEarlierHistory("", archive->newestId(), QDateTime(), QDateTime());
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}
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}
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break;
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case chunk:
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//from last
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break;
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case complete:
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//just give
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break;
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}
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}
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void Core::Contact::appendMessageToArchive(const Shared::Message& msg)
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{
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if (msg.getId().size() > 0 && msg.getBody().size() > 0) {
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switch (archiveState) {
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case empty:
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if (archive->addElement(msg)) {
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archiveState = end;
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};
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requestHistory(-1, msg.getId());
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break;
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case beginning:
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appendCache.emplace_back(msg);
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requestHistory(-1, msg.getId());
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break;
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case end:
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archive->addElement(msg);
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break;
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case chunk:
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appendCache.emplace_back(msg);
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requestHistory(-1, msg.getId());
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break;
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case complete:
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archive->addElement(msg);
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break;
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}
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}
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}
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@ -60,7 +60,7 @@ signals:
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void nameChanged(const QString& name);
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void subscriptionStateChanged(Shared::SubscriptionState state);
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void historyResponse(const std::list<Shared::Message>& messages);
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void needEarlierHistory(const QString& before, const QString& after, int count, const QDateTime& from, const QDateTime& to);
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void needEarlierHistory(const QString& before, const QString& after, const QDateTime& from, const QDateTime& to);
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public:
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const QString jid;
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@ -77,7 +77,12 @@ private:
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int receivedCount;
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std::list<Shared::Message> hisoryCache;
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std::list<Shared::Message> appendCache;
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std::list<Shared::Message> responseCache;
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std::list<std::pair<int, QString>> requestCache;
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private:
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void nextRequest();
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void performRequest(int count, const QString& before);
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};
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}
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