Beispiel #1
0
static xdr::msg_ptr
duplicateMessage(xdr::msg_ptr const& msg)
{
    xdr::msg_ptr msg2 = xdr::message_t::alloc(msg->size());
    memcpy(msg2->raw_data(), msg->raw_data(), msg->raw_size());
    return std::move(msg2);
}
Beispiel #2
0
static bool
damageMessage(default_random_engine& gen, xdr::msg_ptr& msg)
{
    size_t bitsFlipped = 0;
    char* d = msg->raw_data();
    char* e = msg->end();
    size_t sz = e - d;
    if (sz > 0)
    {
        auto dist = uniform_int_distribution<size_t>(0, sz - 1);
        auto byteDist = uniform_int_distribution<int>(0, 7);
        size_t nDamage = dist(gen);
        while (nDamage != 0)
        {
            --nDamage;
            auto pos = dist(gen);
            d[pos] ^= 1 << byteDist(gen);
            bitsFlipped++;
        }
    }
    return bitsFlipped != 0;
}
Beispiel #3
0
void
Peer::recvMessage(xdr::msg_ptr const& msg)
{
    LoadManager::PeerContext loadCtx(mApp, mPeerID);
    mLastRead = mApp.getClock().now();
    mMessageRead.Mark();
    mByteRead.Mark(msg->raw_size());

    CLOG(TRACE, "Overlay") << "received xdr::msg_ptr";
    try
    {
        AuthenticatedMessage am;
        xdr::xdr_from_msg(msg, am);
        recvMessage(am);
    }
    catch (xdr::xdr_runtime_error& e)
    {
        CLOG(ERROR, "Overlay") << "received corrupt xdr::msg_ptr " << e.what();
        mDropInRecvMessageDecodeMeter.Mark();
        drop();
        return;
    }
}