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[gzip] do not initialize deflator if gzip is not enabled for tunnel

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2021-09-14 14:48:21 +03:00
parent e5c773a3eb
commit d2faec70be
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GPG key ID: 66F6C87B98EBCFE2
5 changed files with 60 additions and 46 deletions
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14
libi2pd/Datagram.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, The PurpleI2P Project
* Copyright (c) 2013-2021, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -21,6 +21,9 @@ namespace datagram
DatagramDestination::DatagramDestination (std::shared_ptr<i2p::client::ClientDestination> owner, bool gzip):
m_Owner (owner), m_Receiver (nullptr), m_RawReceiver (nullptr), m_Gzip (gzip)
{
if (m_Gzip)
m_Deflator.reset (new i2p::data::GzipDeflator);
auto identityLen = m_Owner->GetIdentity ()->GetFullLen ();
m_From.resize (identityLen);
m_Owner->GetIdentity ()->ToBuffer (m_From.data (), identityLen);
@ -152,11 +155,16 @@ namespace datagram
const std::vector<std::pair<const uint8_t *, size_t> >& payloads,
uint16_t fromPort, uint16_t toPort, bool isRaw, bool checksum)
{
size_t size;
auto msg = m_I2NPMsgsPool.AcquireShared ();
uint8_t * buf = msg->GetPayload ();
buf += 4; // reserve for length
size_t size = m_Gzip ? m_Deflator.Deflate (payloads, buf, msg->maxLen - msg->len) :
i2p::data::GzipNoCompression (payloads, buf, msg->maxLen - msg->len);
if (m_Gzip && m_Deflator)
size = m_Deflator->Deflate (payloads, buf, msg->maxLen - msg->len);
else
size = i2p::data::GzipNoCompression (payloads, buf, msg->maxLen - msg->len);
if (size)
{
htobe32buf (msg->GetPayload (), size); // length