5 SSL_CTX_set_read_ahead, SSL_CTX_set_default_read_ahead, SSL_CTX_get_read_ahead,
6 SSL_CTX_get_default_read_ahead, SSL_set_read_ahead, SSL_get_read_ahead
7 - manage whether to read as many input bytes as possible
11 #include <openssl/ssl.h>
13 int SSL_get_read_ahead(const SSL *s);
14 void SSL_set_read_ahead(SSL *s, int yes);
16 #define SSL_CTX_get_default_read_ahead(ctx)
17 #define SSL_CTX_set_default_read_ahead(ctx,m)
18 #define SSL_CTX_get_read_ahead(ctx)
19 #define SSL_CTX_set_read_ahead(ctx,m)
23 SSL_CTX_set_read_ahead() and SSL_set_read_ahead() set whether we should read as
24 many input bytes as possible (for non-blocking reads) or not. For example if
25 B<x> bytes are currently required by OpenSSL, but B<y> bytes are available from
26 the underlying BIO (where B<y> > B<x>), then OpenSSL will read all B<y> bytes
27 into its buffer (providing that the buffer is large enough) if reading ahead is
28 on, or B<x> bytes otherwise. The parameter B<yes> or B<m> should be 0 to ensure
29 reading ahead is off, or non zero otherwise.
31 SSL_CTX_set_default_read_ahead is a synonym for SSL_CTX_set_read_ahead, and
32 SSL_CTX_get_default_read_ahead is a synonym for SSL_CTX_get_read_ahead.
34 SSL_CTX_get_read_ahead() and SSL_get_read_ahead() indicate whether reading
35 ahead has been set or not.
39 These functions have no impact when used with DTLS. The return values for
40 SSL_CTX_get_read_head() and SSL_get_read_ahead() are undefined for DTLS.
44 SSL_get_read_ahead and SSL_CTX_get_read_ahead return 0 if reading ahead is off,
45 and non zero otherwise.