void NetMessage::EnsureWritableBytes(size_t size)
{
if (Writeable() < size)
{
MakeSpace(size);
}
assert(Writeable() >= size);
}
void NetMessage::MakeSpace(size_t size)
{
if (Writeable() + Prependable() < size)
{
if (!IsDynamic())
{
SetDynamic();
}
dynamic_data_->resize(writer_pos_ + size);
}
else
{
const size_t readable_size = Readable();
if (!IsDynamic())
{
memcpy(static_data_.data(), static_data_.data() + reader_pos_, readable_size);
}
else
{
memcpy(dynamic_data_->data(), dynamic_data_->data() + reader_pos_, readable_size);
}
reader_pos_ = 0;
writer_pos_ = readable_size;
assert(readable_size == Readable());
}
}
void NetMessage::HasWritten(size_t size)
{
assert(Writeable() >= size);
writer_pos_ += size;
}
inline size_t WriteableBytes()
{
return Writeable() ? m_buffer_len - m_write_idx : 0;
}
