Method SetMessageToSend

src/net.cpp:848–871

}

bool V1Transport::SetMessageToSend(CSerializedNetMsg& msg) noexcept
{
    AssertLockNotHeld(m_send_mutex);
    // Determine whether a new message can be set.
    LOCK(m_send_mutex);
    if (m_sending_header || m_bytes_sent < m_message_to_send.data.size()) return false;

    // create dbl-sha256 checksum
    uint256 hash = Hash(msg.data);

    // create header
    CMessageHeader hdr(m_magic_bytes, msg.m_type.c_str(), msg.data.size());
    memcpy(hdr.pchChecksum, hash.begin(), CMessageHeader::CHECKSUM_SIZE);

    // serialize header
    m_header_to_send.clear();
    VectorWriter{m_header_to_send, 0, hdr};

    // update state
    m_message_to_send = std::move(msg);
    m_sending_header = true;
    m_bytes_sent = 0;
    return true;
}

Transport::BytesToSend V1Transport::GetBytesToSend(bool have_next_message) const noexcept
{