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Problem: excessive memory allocations around blob_t (#2796)

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* Problem: excessive memory allocations around blob_t

Solution: redefine blob_t as a custom type, and use reference/move
semantics where possible
This commit is contained in:
Simon Giesecke
2017-10-21 13:19:51 +02:00
committed by Luca Boccassi
parent cfef04035c
commit 0897b3e07b
33 changed files with 207 additions and 159 deletions
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8
src/xpub.cpp
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@@ -324,11 +324,11 @@ void zmq::xpub_t::send_unsubscription (unsigned char *data_, size_t size_,
if (self->options.type != ZMQ_PUB) {
// Place the unsubscription to the queue of pending (un)subscriptions
// to be retrieved by the user later on.
blob_t unsub (size_ + 1, 0);
unsub [0] = 0;
blob_t unsub (size_ + 1);
*unsub.data() = 0;
if (size_ > 0)
memcpy (&unsub [1], data_, size_);
self->pending_data.push_back (unsub);
memcpy (unsub.data() + 1, data_, size_);
self->pending_data.ZMQ_PUSH_OR_EMPLACE_BACK (ZMQ_MOVE(unsub));
self->pending_metadata.push_back (NULL);
self->pending_flags.push_back (0);