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set best compression for RouterInfo

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orignal 2020-05-03 09:27:17 -04:00
parent 1eead0e885
commit dff510c181
2 changed files with 5 additions and 1 deletions
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5
libi2pd/Gzip.cpp
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@ -107,7 +107,10 @@ namespace data
m_Deflator.avail_out = outLen; m_Deflator.avail_out = outLen;
int err; int err;
if ((err = deflate (&m_Deflator, Z_FINISH)) == Z_STREAM_END) if ((err = deflate (&m_Deflator, Z_FINISH)) == Z_STREAM_END)
{
out[9] = 0xff; // OS is always unknown
return outLen - m_Deflator.avail_out; return outLen - m_Deflator.avail_out;
}
// else // else
LogPrint (eLogError, "Gzip: Deflate error ", err); LogPrint (eLogError, "Gzip: Deflate error ", err);
return 0; return 0;
@ -115,7 +118,7 @@ namespace data
size_t GzipNoCompression (const uint8_t * in, uint16_t inLen, uint8_t * out, size_t outLen) size_t GzipNoCompression (const uint8_t * in, uint16_t inLen, uint8_t * out, size_t outLen)
{ {
static const uint8_t gzipHeader[11] = { 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x03, 0x01 }; static const uint8_t gzipHeader[11] = { 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xff, 0x01 };
if (outLen < (size_t)inLen + 23) return 0; if (outLen < (size_t)inLen + 23) return 0;
memcpy (out, gzipHeader, 11); memcpy (out, gzipHeader, 11);
htole16buf (out + 11, inLen); htole16buf (out + 11, inLen);

1
libi2pd/I2NPProtocol.cpp
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@ -250,6 +250,7 @@ namespace i2p
buf += 2; buf += 2;
m->len += (buf - payload); // payload size m->len += (buf - payload); // payload size
i2p::data::GzipDeflator deflator; i2p::data::GzipDeflator deflator;
deflator.SetCompressionLevel (Z_BEST_COMPRESSION);
size_t size = deflator.Deflate (router->GetBuffer (), router->GetBufferLen (), buf, m->maxLen -m->len); size_t size = deflator.Deflate (router->GetBuffer (), router->GetBufferLen (), buf, m->maxLen -m->len);
if (size) if (size)
{ {