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Add an ability to set the SSL read buffer size

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This capability is required for read pipelining. We will only read in as
many records as will fit in the read buffer (and the network can provide
in one go). The bigger the buffer the more records we can process in
parallel.

Reviewed-by: Tim Hudson <tjh@openssl.org>
This commit is contained in:
Matt Caswell
2016-01-13 14:20:25 +00:00
parent 0220fee47f
commit dad78fb13d
10 changed files with 53 additions and 10 deletions
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13
ssl/record/ssl3_buffer.c
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@@ -120,16 +120,13 @@ void SSL3_BUFFER_set_data(SSL3_BUFFER *b, const unsigned char *d, int n)
}
/*
* Clear the contents of an SSL3_BUFFER but retain any memory allocated
* Clear the contents of an SSL3_BUFFER but retain any memory allocated. Also
* retains the default_len setting
*/
void SSL3_BUFFER_clear(SSL3_BUFFER *b)
{
unsigned char *buf = b->buf;
size_t len = b->len;
memset(b, 0, sizeof(*b));
b->buf = buf;
b->len = len;
b->offset = 0;
b->left = 0;
}
void SSL3_BUFFER_release(SSL3_BUFFER *b)
@@ -162,6 +159,8 @@ int ssl3_setup_read_buffer(SSL *s)
if (ssl_allow_compression(s))
len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if (b->default_len > len)
len = b->default_len;
if ((p = OPENSSL_malloc(len)) == NULL)
goto err;
b->buf = p;