void Writer::writeMessage(const protocol::Message &msg)
{
Q_ASSERT(m_file->isOpen());
if(msg.isRecordable()) {
// Write Interval message if sufficient time has passed since last message was written
if(m_minInterval>0) {
qint64 now = QDateTime::currentMSecsSinceEpoch();
qint64 interval = now - m_interval;
if(interval >= m_minInterval) {
protocol::Interval imsg(0, qMin(qint64(0xffff), interval));
QVarLengthArray<char> ibuf(imsg.length());
int ilen = imsg.serialize(ibuf.data());
m_file->write(ibuf.data(), ilen);
}
m_interval = now;
}
// Write the actual message
QVarLengthArray<char> buf(msg.length());
int len = msg.serialize(buf.data());
Q_ASSERT(len == buf.length());
m_file->write(buf.data(), len);
}
}
bool Writer::writeMessage(const protocol::Message &msg)
{
Q_ASSERT(m_file->isOpen());
if(m_encoding == Encoding::Binary) {
QVarLengthArray<char> buf(msg.length());
const int len = msg.serialize(buf.data());
Q_ASSERT(len == buf.length());
if(m_file->write(buf.data(), len) != len)
return false;
} else {
if(msg.type() == protocol::MSG_FILTERED) {
// Special case: Filtered messages are
// written as comments in the text format.
const protocol::Filtered &fm = static_cast<const protocol::Filtered&>(msg);
auto wrapped = fm.decodeWrapped();
QString comment;
if(wrapped.isNull()) {
comment = QStringLiteral("FILTERED: undecodable message type #%1 of length %2")
.arg(fm.wrappedType())
.arg(fm.wrappedPayloadLength());
} else {
comment = QStringLiteral("FILTERED: ") + wrapped->toString();
}
return writeComment(comment);
}
QByteArray line = msg.toString().toUtf8();
if(m_file->write(line) != line.length())
return false;
if(m_file->write("\n", 1) != 1)
return false;
// Write extra newlines after certain commands to give
// the file some visual structure
switch(msg.type()) {
case protocol::MSG_UNDOPOINT:
if(m_file->write("\n", 1) != 1)
return false;
default: break;
}
}
return true;
}