some progress on history
This commit is contained in:
parent
6124c46a1c
commit
aa1f728da9
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@ -427,8 +427,30 @@ void Core::Account::onMamMessageReceived(const QString& bareJid, const QXmppMess
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handleChatMessage(msg, false, true, true);
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}
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void Core::Account::requestAchive(const QString& jid)
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void Core::Account::requestArchive(const QString& jid, int count, const QString& before)
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{
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std::map<QString, Contact*>::const_iterator itr = contacts.find(jid);
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if (itr == contacts.end()) {
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qDebug() << "An attempt to request archive for" << jid << "in account" << name << ", but the contact with such id wasn't found, skipping";
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return;
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}
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Contact* contact = itr->second;
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contact->requestHistory(count, before);
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Contact::ArchiveState as = contact->getArchiveState();
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switch (as) {
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case Contact::empty:
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break;
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case Contact::beginning:
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break;
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case Contact::chunk:
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break;
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case Contact::complete:
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break;
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case Contact::end:
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break;
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}
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QXmppResultSetQuery query;
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query.setMax(100);
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QDateTime from = QDateTime::currentDateTime().addDays(-7);
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@ -41,7 +41,7 @@ public:
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void setAvailability(Shared::Availability avail);
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QString getFullJid() const;
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void sendMessage(const Shared::Message& data);
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void requestAchive(const QString& jid);
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void requestArchive(const QString& jid, int count, const QString& before);
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signals:
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void connectionStateChanged(int);
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161
core/archive.cpp
161
core/archive.cpp
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@ -28,6 +28,7 @@ Core::Archive::Archive(const QString& p_jid, QObject* parent):
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QObject(parent),
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jid(p_jid),
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opened(false),
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fromTheBeginning(false),
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environment(),
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main(),
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order()
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@ -54,14 +55,16 @@ void Core::Archive::open(const QString& account)
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}
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}
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mdb_env_set_maxdbs(environment, 2);
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mdb_env_set_maxdbs(environment, 3);
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mdb_env_open(environment, path.toStdString().c_str(), 0, 0664);
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MDB_txn *txn;
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mdb_txn_begin(environment, NULL, 0, &txn);
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mdb_dbi_open(txn, "main", MDB_CREATE, &main);
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mdb_dbi_open(txn, "order", MDB_CREATE | MDB_INTEGERKEY, &order);
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mdb_dbi_open(txn, "order", MDB_CREATE, &stats);
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mdb_txn_commit(txn);
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fromTheBeginning = _isFromTheBeginning();
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opened = true;
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}
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}
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@ -69,6 +72,7 @@ void Core::Archive::open(const QString& account)
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void Core::Archive::close()
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{
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if (opened) {
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mdb_dbi_close(environment, stats);
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mdb_dbi_close(environment, order);
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mdb_dbi_close(environment, main);
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mdb_env_close(environment);
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@ -76,7 +80,7 @@ void Core::Archive::close()
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}
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}
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void Core::Archive::addElement(const Shared::Message& message)
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bool Core::Archive::addElement(const Shared::Message& message)
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{
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if (!opened) {
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throw Closed("addElement", jid.toStdString());
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@ -95,7 +99,7 @@ void Core::Archive::addElement(const Shared::Message& message)
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MDB_txn *txn;
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mdb_txn_begin(environment, NULL, 0, &txn);
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int rc;
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rc = mdb_put(txn, main, &lmdbKey, &lmdbData, 0);
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rc = mdb_put(txn, main, &lmdbKey, &lmdbData, MDB_NOOVERWRITE);
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if (rc == 0) {
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MDB_val orderKey;
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orderKey.mv_size = 8;
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@ -105,15 +109,19 @@ void Core::Archive::addElement(const Shared::Message& message)
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if (rc) {
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qDebug() << "An element couldn't be inserted into the index" << mdb_strerror(rc);
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mdb_txn_abort(txn);
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return false;
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} else {
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rc = mdb_txn_commit(txn);
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if (rc) {
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qDebug() << "A transaction error: " << mdb_strerror(rc);
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return false;
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}
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return true;
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}
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} else {
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qDebug() << "An element couldn't been added to the archive, skipping" << mdb_strerror(rc);
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mdb_txn_abort(txn);
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return false;
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}
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}
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@ -237,3 +245,150 @@ long unsigned int Core::Archive::size() const
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mdb_txn_abort(txn);
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return stat.ms_entries;
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}
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std::list<Shared::Message> Core::Archive::getBefore(int count, const QString& id)
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{
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if (!opened) {
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throw Closed("getBefore", jid.toStdString());
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}
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std::list<Shared::Message> res;
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MDB_cursor* cursor;
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MDB_txn *txn;
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MDB_val lmdbKey, lmdbData;
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int rc;
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rc = mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
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if (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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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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} else {
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std::string sId((char*)lmdbData.mv_data, lmdbData.mv_size);
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}
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} else {
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lmdbKey.mv_size = id.size();
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lmdbKey.mv_data = (char*)id.toStdString().c_str();
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rc = mdb_get(txn, main, &lmdbKey, &lmdbData);
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if (rc) {
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qDebug() <<"Error getting before: " << mdb_strerror(rc);
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mdb_txn_abort(txn);
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throw NotFound(id.toStdString(), jid.toStdString());
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} else {
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QByteArray ba((char*)lmdbData.mv_data, lmdbData.mv_size);
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QDataStream ds(&ba, QIODevice::ReadOnly);
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Shared::Message msg;
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msg.deserialize(ds);
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quint64 stamp = msg.getTime().toMSecsSinceEpoch();
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lmdbKey.mv_data = (quint8*)&stamp;
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lmdbKey.mv_size = 8;
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rc = mdb_cursor_open(txn, order, &cursor);
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rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_SET);
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if (rc) {
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qDebug() << "Error getting 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 NotFound(id.toStdString(), jid.toStdString());
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} else {
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rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_PREV);
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if (rc) {
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qDebug() << "Error getting 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 NotFound(id.toStdString(), jid.toStdString());
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}
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}
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}
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}
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do {
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QByteArray ba((char*)lmdbData.mv_data, lmdbData.mv_size);
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QDataStream ds(&ba, QIODevice::ReadOnly);
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res.emplace_back();
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Shared::Message& msg = res.back();
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msg.deserialize(ds);
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--count;
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} while (count > 0 && mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_PREV) == 0);
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mdb_cursor_close(cursor);
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mdb_txn_abort(txn);
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return res;
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}
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bool Core::Archive::_isFromTheBeginning()
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{
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std::string strKey = "beginning";
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MDB_val lmdbKey, lmdbData;
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lmdbKey.mv_size = strKey.size();
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lmdbKey.mv_data = (char*)strKey.c_str();
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MDB_txn *txn;
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int rc;
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mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
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rc = mdb_get(txn, stats, &lmdbKey, &lmdbData);
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if (rc == MDB_NOTFOUND) {
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mdb_txn_abort(txn);
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return false;
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} else if (rc) {
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qDebug() <<"isFromTheBeginning error: " << mdb_strerror(rc);
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mdb_txn_abort(txn);
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throw NotFound(strKey, jid.toStdString());
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} else {
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uint8_t value = *(uint8_t*)(lmdbData.mv_data);
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bool is;
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if (value == 144) {
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is = false;
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} else if (value == 72) {
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is = true;
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} else {
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qDebug() <<"isFromTheBeginning error: stored value doesn't match any magic number, the answer is most probably wrong";
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}
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return is;
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}
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}
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bool Core::Archive::isFromTheBeginning()
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{
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if (!opened) {
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throw Closed("isFromTheBeginning", jid.toStdString());
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}
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return fromTheBeginning;
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}
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bool Core::Archive::setFromTheBeginning(bool is)
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{
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if (!opened) {
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throw Closed("setFromTheBeginning", jid.toStdString());
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}
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if (fromTheBeginning != is) {
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fromTheBeginning = is;
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const std::string& id = "beginning";
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uint8_t value = 144;
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if (is) {
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value = 72;
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}
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MDB_val lmdbKey, lmdbData;
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lmdbKey.mv_size = id.size();
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lmdbKey.mv_data = (char*)id.c_str();
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lmdbData.mv_size = sizeof value;
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lmdbData.mv_data = &value;
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MDB_txn *txn;
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mdb_txn_begin(environment, NULL, 0, &txn);
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int rc;
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rc = mdb_put(txn, stats, &lmdbKey, &lmdbData, 0);
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if (rc != 0) {
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qDebug() << "Couldn't store beginning key into stat database:" << mdb_strerror(rc);
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mdb_txn_abort(txn);
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}
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}
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}
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@ -23,6 +23,7 @@
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#include "../global.h"
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#include <lmdb.h>
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#include "../exception.h"
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#include <list>
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namespace Core {
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@ -36,7 +37,7 @@ public:
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void open(const QString& account);
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void close();
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void addElement(const Shared::Message& message);
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bool addElement(const Shared::Message& message);
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Shared::Message getElement(const QString& id);
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Shared::Message oldest();
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QString oldestId();
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@ -44,6 +45,9 @@ public:
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QString newestId();
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void clear();
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long unsigned int size() const;
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std::list<Shared::Message> getBefore(int count, const QString& id);
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bool isFromTheBeginning();
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bool setFromTheBeginning(bool is);
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public:
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const QString jid;
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@ -97,9 +101,13 @@ public:
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private:
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bool opened;
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bool fromTheBeginning;
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MDB_env* environment;
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MDB_dbi main;
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MDB_dbi order;
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MDB_dbi stats;
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bool _isFromTheBeginning();
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};
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}
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@ -25,9 +25,22 @@ Core::Contact::Contact(const QString& pJid, const QString& account, QObject* par
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groups(),
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archiveState(empty),
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archive(new Archive(jid)),
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subscriptionState(Shared::unknown)
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subscriptionState(Shared::unknown),
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syncronizing(false),
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requestedCount(0),
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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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{
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archive->open(account);
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if (archive->isFromTheBeginning()) {
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archiveState = beginning;
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} else {
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if (archive->size() != 0) {
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archiveState = chunk;
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}
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}
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}
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Core::Contact::~Contact()
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@ -91,3 +104,42 @@ unsigned int Core::Contact::groupsCount() const
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{
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return groups.size();
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}
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void Core::Contact::addMessageToArchive(const Shared::Message& msg)
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{
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}
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void Core::Contact::requestHistory(int count, const QString& before)
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{
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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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}
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}
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@ -23,6 +23,7 @@
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#include <QSet>
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#include "archive.h"
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#include "../global.h"
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#include <list>
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namespace Core {
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@ -48,12 +49,18 @@ public:
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void setSubscriptionState(Shared::SubscriptionState state);
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Shared::SubscriptionState getSubscriptionState() const;
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unsigned int groupsCount() const;
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void addMessageToArchive(const Shared::Message& msg);
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void appendMessageToArchive(const Shared::Message& msg);
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void flushMessagesToArchive();
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void requestHistory(int count, const QString& before);
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signals:
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void groupAdded(const QString& name);
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void groupRemoved(const QString& name);
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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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public:
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const QString jid;
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@ -64,6 +71,13 @@ private:
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ArchiveState archiveState;
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Archive* archive;
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Shared::SubscriptionState subscriptionState;
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bool syncronizing;
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int requestedCount;
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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<std::pair<int, QString>> requestCache;
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};
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}
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