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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/Streaming.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
*
@ -1040,6 +1040,8 @@ namespace stream
m_Owner (owner), m_LocalPort (localPort), m_Gzip (gzip),
m_PendingIncomingTimer (m_Owner->GetService ())
{
if (m_Gzip)
m_Deflator.reset (new i2p::data::GzipDeflator);
}
StreamingDestination::~StreamingDestination ()
@ -1296,13 +1298,17 @@ namespace stream
std::shared_ptr<I2NPMessage> StreamingDestination::CreateDataMessage (
const uint8_t * payload, size_t len, uint16_t toPort, bool checksum)
{
size_t size;
auto msg = m_I2NPMsgsPool.AcquireShared ();
uint8_t * buf = msg->GetPayload ();
buf += 4; // reserve for lengthlength
msg->len += 4;
size_t size = (!m_Gzip || len <= i2p::stream::COMPRESSION_THRESHOLD_SIZE)?
i2p::data::GzipNoCompression (payload, len, buf, msg->maxLen - msg->len):
m_Deflator.Deflate (payload, len, buf, msg->maxLen - msg->len);
if (m_Gzip && m_Deflator)
size = m_Deflator->Deflate (payload, len, buf, msg->maxLen - msg->len);
else
size = i2p::data::GzipNoCompression (payload, len, buf, msg->maxLen - msg->len);
if (size)
{
htobe32buf (msg->GetPayload (), size); // length