SSL_CTX_set_read_ahead
Section: OpenSSL (3)
Updated: 2017-05-25
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NAME
SSL_CTX_set_read_ahead, SSL_CTX_set_default_read_ahead, SSL_CTX_get_read_ahead,
SSL_CTX_get_default_read_ahead, SSL_set_read_ahead, SSL_get_read_ahead
- manage whether to read as many input bytes as possible
SYNOPSIS
#include <openssl/ssl.h>
int SSL_get_read_ahead(const SSL *s);
void SSL_set_read_ahead(SSL *s, int yes);
#define SSL_CTX_get_default_read_ahead(ctx)
#define SSL_CTX_set_default_read_ahead(ctx,m)
#define SSL_CTX_get_read_ahead(ctx)
#define SSL_CTX_set_read_ahead(ctx,m)
DESCRIPTION
SSL_CTX_set_read_ahead() and
SSL_set_read_ahead() set whether we should read as
many input bytes as possible (for non-blocking reads) or not. For example if
x bytes are currently required by OpenSSL, but
y bytes are available from
the underlying
BIO (where
y >
x), then OpenSSL will read all
y bytes
into its buffer (providing that the buffer is large enough) if reading ahead is
on, or
x bytes otherwise. The parameter
yes or
m should be 0 to ensure
reading ahead is off, or non zero otherwise.
SSL_CTX_set_default_read_ahead is a synonym for SSL_CTX_set_read_ahead, and
SSL_CTX_get_default_read_ahead is a synonym for SSL_CTX_get_read_ahead.
SSL_CTX_get_read_ahead() and SSL_get_read_ahead() indicate whether reading
ahead has been set or not.
NOTES
These functions have no impact when used with
DTLS. The return values for
SSL_CTX_get_read_head() and
SSL_get_read_ahead() are undefined for
DTLS.
RETURN VALUES
SSL_get_read_ahead and SSL_CTX_get_read_ahead return 0 if reading ahead is off,
and non zero otherwise.
SEE ALSO
ssl(3)
Index
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- SYNOPSIS
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- DESCRIPTION
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- NOTES
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- RETURN VALUES
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- SEE ALSO
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