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Limit maximum size ATS can read from net at a time in SSL read loop #2247

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Limit maximum size ATS can read from net at a time in SSL read loop #2247

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3 changes: 3 additions & 0 deletions iocore/net/SSLNetVConnection.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,9 @@ ssl_read_from_net(SSLNetVConnection *sslvc, EThread *lthread, int64_t &ret)

bytes_read = 0;
while (sslErr == SSL_ERROR_NONE) {
if (bytes_read / (4 * 1024 * 1024) > 0) {
break;
}
int64_t block_write_avail = buf.writer()->block_write_avail();
if (block_write_avail <= 0) {
buf.writer()->add_block();
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@oknet oknet Jul 7, 2017

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Whether or not add a new block , It is controlled by the watermark of MIOBuffer.
Just break out here if buf.write_avail() less than 0.

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