void
Block::encode()
{
if (hasWire())
return;
OBufferStream os;
Tlv::writeVarNumber(os, type());
if (hasValue())
{
Tlv::writeVarNumber(os, value_size());
os.write(reinterpret_cast<const char*>(value()), value_size());
}
else if (m_subBlocks.size() == 0)
{
Tlv::writeVarNumber(os, 0);
}
else
{
size_t valueSize = 0;
for (element_const_iterator i = m_subBlocks.begin(); i != m_subBlocks.end(); ++i) {
valueSize += i->size();
}
Tlv::writeVarNumber(os, valueSize);
for (element_const_iterator i = m_subBlocks.begin(); i != m_subBlocks.end(); ++i) {
if (i->hasWire())
os.write(reinterpret_cast<const char*>(i->wire()), i->size());
else if (i->hasValue()) {
Tlv::writeVarNumber(os, i->type());
Tlv::writeVarNumber(os, i->value_size());
os.write(reinterpret_cast<const char*>(i->value()), i->value_size());
}
else
throw Error("Underlying value buffer is empty");
}
}
// now assign correct block
m_buffer = os.buf();
m_begin = m_buffer->begin();
m_end = m_buffer->end();
m_size = m_end - m_begin;
m_value_begin = m_buffer->begin();
m_value_end = m_buffer->end();
Tlv::readType(m_value_begin, m_value_end);
Tlv::readVarNumber(m_value_begin, m_value_end);
}
void
SegmentFetcher::finalizeFetch()
{
// Combine segments into final buffer
OBufferStream buf;
// We may have received more segments than exist in the object.
BOOST_ASSERT(m_receivedSegments.size() >= static_cast<uint64_t>(m_nSegments));
for (int64_t i = 0; i < m_nSegments; i++) {
buf.write(m_receivedSegments[i].get<const char>(), m_receivedSegments[i].size());
}
onComplete(buf.buf());
stop();
}
