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a method for setting states to messages

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This commit is contained in:
Blue 2020-01-07 12:26:07 +03:00
parent ad1977f05f
commit 13a1970047
2 changed files with 72 additions and 34 deletions
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104
core/archive.cpp
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@ -173,28 +173,74 @@ Shared::Message Core::Archive::getElement(const QString& id)
throw Closed("getElement", jid.toStdString());
}
std::string strKey = id.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = strKey.size();
lmdbKey.mv_data = (char*)strKey.c_str();
MDB_txn *txn;
int rc;
mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
rc = mdb_get(txn, main, &lmdbKey, &lmdbData);
if (rc) {
qDebug() <<"Get error: " << mdb_strerror(rc);
try {
Shared::Message msg = getMessage(id.toStdString(), txn);
mdb_txn_abort(txn);
throw NotFound(id.toStdString(), jid.toStdString());
} else {
return msg;
} catch (...) {
mdb_txn_abort(txn);
throw;
}
}
Shared::Message Core::Archive::getMessage(const std::string& id, MDB_txn* txn)
{
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
int rc = mdb_get(txn, main, &lmdbKey, &lmdbData);
if (rc == 0) {
QByteArray ba((char*)lmdbData.mv_data, lmdbData.mv_size);
QDataStream ds(&ba, QIODevice::ReadOnly);
Shared::Message msg;
msg.deserialize(ds);
mdb_txn_abort(txn);
return msg;
} else if (rc == MDB_NOTFOUND) {
throw NotFound(id, jid.toStdString());
} else {
throw Unknown(jid.toStdString(), mdb_strerror(rc));
}
}
void Core::Archive::setMessageState(const QString& id, Shared::Message::State state)
{
if (!opened) {
throw Closed("setMessageState", jid.toStdString());
}
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
std::string strId(id.toStdString());
try {
Shared::Message msg = getMessage(strId, txn);
msg.setState(state);
MDB_val lmdbKey, lmdbData;
QByteArray ba;
QDataStream ds(&ba, QIODevice::WriteOnly);
msg.serialize(ds);
lmdbKey.mv_size = strId.size();
lmdbKey.mv_data = (char*)strId.c_str();
lmdbData.mv_size = ba.size();
lmdbData.mv_data = (uint8_t*)ba.data();
int rc = mdb_put(txn, main, &lmdbKey, &lmdbData, 0);
if (rc == 0) {
rc = mdb_txn_commit(txn);
} else {
mdb_txn_abort(txn);
throw Unknown(jid.toStdString(), mdb_strerror(rc));
}
} catch (...) {
mdb_txn_abort(txn);
throw;
}
}
@ -344,8 +390,8 @@ std::list<Shared::Message> Core::Archive::getBefore(int count, const QString& id
MDB_val lmdbKey, lmdbData;
int rc;
rc = mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
rc = mdb_cursor_open(txn, order, &cursor);
if (id == "") {
rc = mdb_cursor_open(txn, order, &cursor);
rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_LAST);
if (rc) {
qDebug() << "Error getting before" << mdb_strerror(rc) << ", id:" << id;
@ -356,40 +402,29 @@ std::list<Shared::Message> Core::Archive::getBefore(int count, const QString& id
}
} else {
std::string stdId(id.toStdString());
lmdbKey.mv_size = stdId.size();
lmdbKey.mv_data = (char*)stdId.c_str();
rc = mdb_get(txn, main, &lmdbKey, &lmdbData);
if (rc) {
qDebug() <<"Error getting before: no reference message" << mdb_strerror(rc) << ", id:" << id;
mdb_txn_abort(txn);
throw NotFound(stdId, jid.toStdString());
} else {
QByteArray ba((char*)lmdbData.mv_data, lmdbData.mv_size);
QDataStream ds(&ba, QIODevice::ReadOnly);
Shared::Message msg;
msg.deserialize(ds);
try {
Shared::Message msg = getMessage(stdId, txn);
quint64 stamp = msg.getTime().toMSecsSinceEpoch();
lmdbKey.mv_data = (quint8*)&stamp;
lmdbKey.mv_size = 8;
rc = mdb_cursor_open(txn, order, &cursor);
rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_SET);
if (rc) {
qDebug() << "Error getting before: couldn't set " << mdb_strerror(rc);
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
throw NotFound(stdId, jid.toStdString());
} else {
rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_PREV);
if (rc) {
qDebug() << "Error getting before, couldn't prev " << mdb_strerror(rc);
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
throw NotFound(stdId, jid.toStdString());
}
}
} catch (...) {
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
throw;
}
}
@ -401,6 +436,7 @@ std::list<Shared::Message> Core::Archive::getBefore(int count, const QString& id
if (rc) {
qDebug() <<"Get error: " << mdb_strerror(rc);
std::string sId((char*)lmdbData.mv_data, lmdbData.mv_size);
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
throw NotFound(sId, jid.toStdString());
} else {
@ -687,9 +723,9 @@ bool Core::Archive::readAvatarInfo(Core::Archive::AvatarInfo& target, const QStr
bool success = readAvatarInfo(target, res, txn);
mdb_txn_abort(txn);
return success;
} catch (const std::exception& e) {
} catch (...) {
mdb_txn_abort(txn);
throw e;
throw;
}
}

2
core/archive.h
View File

@ -46,6 +46,7 @@ public:
bool addElement(const Shared::Message& message);
unsigned int addElements(const std::list<Shared::Message>& messages);
Shared::Message getElement(const QString& id);
void setMessageState(const QString& id, Shared::Message::State state);
Shared::Message oldest();
QString oldestId();
Shared::Message newest();
@ -181,6 +182,7 @@ private:
void printOrder();
void printKeys();
bool dropAvatar(const std::string& resource);
Shared::Message getMessage(const std::string& id, MDB_txn* txn);
};
}