mirror of https://github.com/openssl/openssl
QUIC Documentation: Rename SSL_tick, SSL_get_tick_timeout
Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/20879)
This commit is contained in:
Hugo Landau
Tomas Mraz
parent
0bf7e94c10
commit
f8503ede86
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@ -2535,6 +2535,10 @@ DEPEND[html/man3/SSL_get_error.html]=man3/SSL_get_error.pod
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GENERATE[html/man3/SSL_get_error.html]=man3/SSL_get_error.pod
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DEPEND[man/man3/SSL_get_error.3]=man3/SSL_get_error.pod
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GENERATE[man/man3/SSL_get_error.3]=man3/SSL_get_error.pod
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DEPEND[html/man3/SSL_get_event_timeout.html]=man3/SSL_get_event_timeout.pod
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GENERATE[html/man3/SSL_get_event_timeout.html]=man3/SSL_get_event_timeout.pod
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DEPEND[man/man3/SSL_get_event_timeout.3]=man3/SSL_get_event_timeout.pod
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GENERATE[man/man3/SSL_get_event_timeout.3]=man3/SSL_get_event_timeout.pod
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DEPEND[html/man3/SSL_get_extms_support.html]=man3/SSL_get_extms_support.pod
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GENERATE[html/man3/SSL_get_extms_support.html]=man3/SSL_get_extms_support.pod
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DEPEND[man/man3/SSL_get_extms_support.3]=man3/SSL_get_extms_support.pod
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@ -2587,10 +2591,6 @@ DEPEND[html/man3/SSL_get_stream_read_state.html]=man3/SSL_get_stream_read_state.
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GENERATE[html/man3/SSL_get_stream_read_state.html]=man3/SSL_get_stream_read_state.pod
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DEPEND[man/man3/SSL_get_stream_read_state.3]=man3/SSL_get_stream_read_state.pod
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GENERATE[man/man3/SSL_get_stream_read_state.3]=man3/SSL_get_stream_read_state.pod
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DEPEND[html/man3/SSL_get_tick_timeout.html]=man3/SSL_get_tick_timeout.pod
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GENERATE[html/man3/SSL_get_tick_timeout.html]=man3/SSL_get_tick_timeout.pod
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DEPEND[man/man3/SSL_get_tick_timeout.3]=man3/SSL_get_tick_timeout.pod
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GENERATE[man/man3/SSL_get_tick_timeout.3]=man3/SSL_get_tick_timeout.pod
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DEPEND[html/man3/SSL_get_verify_result.html]=man3/SSL_get_verify_result.pod
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GENERATE[html/man3/SSL_get_verify_result.html]=man3/SSL_get_verify_result.pod
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DEPEND[man/man3/SSL_get_verify_result.3]=man3/SSL_get_verify_result.pod
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@ -2603,6 +2603,10 @@ DEPEND[html/man3/SSL_group_to_name.html]=man3/SSL_group_to_name.pod
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GENERATE[html/man3/SSL_group_to_name.html]=man3/SSL_group_to_name.pod
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DEPEND[man/man3/SSL_group_to_name.3]=man3/SSL_group_to_name.pod
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GENERATE[man/man3/SSL_group_to_name.3]=man3/SSL_group_to_name.pod
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DEPEND[html/man3/SSL_handle_events.html]=man3/SSL_handle_events.pod
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GENERATE[html/man3/SSL_handle_events.html]=man3/SSL_handle_events.pod
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DEPEND[man/man3/SSL_handle_events.3]=man3/SSL_handle_events.pod
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GENERATE[man/man3/SSL_handle_events.3]=man3/SSL_handle_events.pod
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DEPEND[html/man3/SSL_in_init.html]=man3/SSL_in_init.pod
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GENERATE[html/man3/SSL_in_init.html]=man3/SSL_in_init.pod
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DEPEND[man/man3/SSL_in_init.3]=man3/SSL_in_init.pod
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@ -2723,10 +2727,6 @@ DEPEND[html/man3/SSL_stream_reset.html]=man3/SSL_stream_reset.pod
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GENERATE[html/man3/SSL_stream_reset.html]=man3/SSL_stream_reset.pod
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DEPEND[man/man3/SSL_stream_reset.3]=man3/SSL_stream_reset.pod
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GENERATE[man/man3/SSL_stream_reset.3]=man3/SSL_stream_reset.pod
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DEPEND[html/man3/SSL_tick.html]=man3/SSL_tick.pod
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GENERATE[html/man3/SSL_tick.html]=man3/SSL_tick.pod
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DEPEND[man/man3/SSL_tick.3]=man3/SSL_tick.pod
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GENERATE[man/man3/SSL_tick.3]=man3/SSL_tick.pod
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DEPEND[html/man3/SSL_want.html]=man3/SSL_want.pod
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GENERATE[html/man3/SSL_want.html]=man3/SSL_want.pod
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DEPEND[man/man3/SSL_want.3]=man3/SSL_want.pod
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@ -3525,6 +3525,7 @@ html/man3/SSL_get_conn_close_info.html \
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html/man3/SSL_get_current_cipher.html \
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html/man3/SSL_get_default_timeout.html \
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html/man3/SSL_get_error.html \
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html/man3/SSL_get_event_timeout.html \
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html/man3/SSL_get_extms_support.html \
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html/man3/SSL_get_fd.html \
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html/man3/SSL_get_peer_cert_chain.html \
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@ -3538,10 +3539,10 @@ html/man3/SSL_get_session.html \
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html/man3/SSL_get_shared_sigalgs.html \
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html/man3/SSL_get_stream_id.html \
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html/man3/SSL_get_stream_read_state.html \
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html/man3/SSL_get_tick_timeout.html \
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html/man3/SSL_get_verify_result.html \
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html/man3/SSL_get_version.html \
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html/man3/SSL_group_to_name.html \
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html/man3/SSL_handle_events.html \
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html/man3/SSL_in_init.html \
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html/man3/SSL_inject_net_dgram.html \
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html/man3/SSL_key_update.html \
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@ -3572,7 +3573,6 @@ html/man3/SSL_shutdown.html \
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html/man3/SSL_state_string.html \
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html/man3/SSL_stream_conclude.html \
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html/man3/SSL_stream_reset.html \
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html/man3/SSL_tick.html \
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html/man3/SSL_want.html \
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html/man3/SSL_write.html \
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html/man3/TS_RESP_CTX_new.html \
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@ -4160,6 +4160,7 @@ man/man3/SSL_get_conn_close_info.3 \
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man/man3/SSL_get_current_cipher.3 \
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man/man3/SSL_get_default_timeout.3 \
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man/man3/SSL_get_error.3 \
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man/man3/SSL_get_event_timeout.3 \
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man/man3/SSL_get_extms_support.3 \
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man/man3/SSL_get_fd.3 \
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man/man3/SSL_get_peer_cert_chain.3 \
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@ -4173,10 +4174,10 @@ man/man3/SSL_get_session.3 \
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man/man3/SSL_get_shared_sigalgs.3 \
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man/man3/SSL_get_stream_id.3 \
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man/man3/SSL_get_stream_read_state.3 \
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man/man3/SSL_get_tick_timeout.3 \
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man/man3/SSL_get_verify_result.3 \
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man/man3/SSL_get_version.3 \
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man/man3/SSL_group_to_name.3 \
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man/man3/SSL_handle_events.3 \
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man/man3/SSL_in_init.3 \
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man/man3/SSL_inject_net_dgram.3 \
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man/man3/SSL_key_update.3 \
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@ -4207,7 +4208,6 @@ man/man3/SSL_shutdown.3 \
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man/man3/SSL_state_string.3 \
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man/man3/SSL_stream_conclude.3 \
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man/man3/SSL_stream_reset.3 \
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man/man3/SSL_tick.3 \
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man/man3/SSL_want.3 \
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man/man3/SSL_write.3 \
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man/man3/TS_RESP_CTX_new.3 \
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@ -92,7 +92,7 @@ not pollable for readability or writeability respectively.
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=head1 SEE ALSO
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L<SSL_tick(3)>, L<SSL_get_tick_timeout(3)>, L<SSL_get_rpoll_descriptor(3)>,
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L<SSL_handle_events(3)>, L<SSL_get_event_timeout(3)>, L<SSL_get_rpoll_descriptor(3)>,
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L<SSL_get_wpoll_descriptor(3)>, L<bio(7)>
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=head1 HISTORY
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@ -32,7 +32,7 @@ Once the timeout expires, DTLSv1_handle_timeout() should be called to handle any
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internal processing which is due; for more information, see
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L<DTLSv1_handle_timeout(3)>.
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L<SSL_get_tick_timeout(3)> supersedes all use cases for this this function and
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L<SSL_get_event_timeout(3)> supersedes all use cases for this this function and
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may be used instead of it.
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=head1 RETURN VALUES
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@ -43,7 +43,7 @@ Returns 0 on failure, or if no timeout is currently active.
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=head1 SEE ALSO
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L<DTLSv1_handle_timeout(3)>, L<SSL_get_tick_timeout(3)>, L<ssl(7)>
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L<DTLSv1_handle_timeout(3)>, L<SSL_get_event_timeout(3)>, L<ssl(7)>
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=head1 COPYRIGHT
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@ -15,14 +15,14 @@ DTLSv1_handle_timeout - handle a pending timeout event for a DTLS SSL object
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DTLSv1_handle_timeout() handles any timeout events which have become pending
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on a DTLS SSL object.
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Use L<DTLSv1_get_timeout(3)> or L<SSL_get_tick_timeout(3)> to determine
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Use L<DTLSv1_get_timeout(3)> or L<SSL_get_event_timeout(3)> to determine
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when to call DTLSv1_handle_timeout().
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This function is only applicable to DTLS objects. It returns 0 if called on
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any other kind of SSL object.
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L<SSL_tick(3)> supersedes all use cases for this this function and may be used
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instead of it.
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L<SSL_handle_events(3)> supersedes all use cases for this this function and may
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be used instead of it.
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=head1 RETURN VALUES
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@ -36,7 +36,7 @@ successfully.
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=head1 SEE ALSO
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L<DTLSv1_get_timeout(3)>, L<SSL_tick(3)>, L<ssl(7)>
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L<DTLSv1_get_timeout(3)>, L<SSL_handle_events(3)>, L<ssl(7)>
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=head1 COPYRIGHT
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@ -2,20 +2,20 @@
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=head1 NAME
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SSL_get_tick_timeout - determine when an SSL object next needs to be ticked
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SSL_get_event_timeout - determine when an SSL object next needs to be ticked
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_get_tick_timeout(SSL *s, struct timeval *tv);
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int SSL_get_event_timeout(SSL *s, struct timeval *tv);
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=head1 DESCRIPTION
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SSL_get_tick_timeout() determines when the SSL object next needs to perform
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SSL_get_event_timeout() determines when the SSL object next needs to perform
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internal processing due to the passage of time.
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Calling SSL_get_tick_timeout() results in I<*tv> being written with an amount of
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Calling SSL_get_event_timeout() results in I<*tv> being written with an amount of
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time left before the SSL object needs to be ticked. If the SSL object needs to
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be ticked immediately, it is set to zero; if the SSL object currently does not
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need to be ticked at any point in the future, I<tv->tv_sec> is set to -1,
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@ -30,13 +30,14 @@ L<DTLSv1_get_timeout(3)> function. Note that this function differs from
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L<DTLSv1_get_timeout(3)> in that the case where no timeout is active is
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considered a success condition.
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Note that the value output by a call to SSL_get_tick_timeout() may change as a
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Note that the value output by a call to SSL_get_event_timeout() may change as a
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result of other calls to the SSL object.
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Once the timeout expires, SSL_tick() should be called to handle any internal
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processing which is due; for more information, see L<SSL_tick(3)>.
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Once the timeout expires, SSL_handle_events() should be called to handle any
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internal processing which is due; for more information, see
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L<SSL_handle_events(3)>.
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Note that SSL_get_tick_timeout() supersedes the older L<DTLSv1_get_timeout(3)>
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Note that SSL_get_event_timeout() supersedes the older L<DTLSv1_get_timeout(3)>
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function for all use cases.
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=head1 RETURN VALUES
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@ -45,11 +46,11 @@ Returns 1 on success and 0 on failure.
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=head1 SEE ALSO
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L<SSL_tick(3)>, L<DTLSv1_get_timeout(3)>, L<ssl(7)>
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L<SSL_handle_events(3)>, L<DTLSv1_get_timeout(3)>, L<ssl(7)>
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=head1 HISTORY
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The SSL_get_tick_timeout() function was added in OpenSSL 3.2.
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The SSL_get_event_timeout() function was added in OpenSSL 3.2.
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=head1 COPYRIGHT
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@ -20,7 +20,7 @@ network I/O can be performed
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The functions SSL_get_rpoll_descriptor() and SSL_get_wpoll_descriptor() can be
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used to determine when an SSL object which represents a QUIC connection can
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perform useful network I/O, so that an application using a QUIC connection SSL
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object in nonblocking mode can determine when it should call SSL_tick().
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object in nonblocking mode can determine when it should call SSL_handle_events().
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On success, these functions output poll descriptors. For more information on
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poll descriptors, see L<BIO_get_rpoll_descriptor(3)>.
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@ -34,9 +34,9 @@ not interested in writing data to the network at the current time,
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SSL_net_write_desired() will return 0.
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The intention is that an application using QUIC in nonblocking mode can use
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these calls, in conjunction with L<SSL_get_tick_timeout(3)> to wait for network
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these calls, in conjunction with L<SSL_get_event_timeout(3)> to wait for network
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I/O conditions which allow the SSL object to perform useful work. When such a
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condition arises, L<SSL_tick(3)> should be called.
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condition arises, L<SSL_handle_events(3)> should be called.
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In particular, the expected usage is as follows:
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@ -44,18 +44,18 @@ In particular, the expected usage is as follows:
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=item *
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SSL_tick() should be called whenever the timeout returned by
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SSL_get_tick_timeout(3) (if any) expires
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SSL_handle_events() should be called whenever the timeout returned by
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SSL_get_event_timeout(3) (if any) expires
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=item *
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If the last call to SSL_net_read_desired() returned 1, SSL_tick() should be called
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If the last call to SSL_net_read_desired() returned 1, SSL_handle_events() should be called
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whenever the poll descriptor output by SSL_get_rpoll_descriptor() becomes
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readable.
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=item *
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If the last call to SSL_net_write_desired() returned 1, SSL_tick() should be called
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If the last call to SSL_net_write_desired() returned 1, SSL_handle_events() should be called
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whenever the poll descriptor output by SSL_get_wpoll_descriptor() becomes
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writable.
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@ -64,7 +64,7 @@ writable.
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The return values of the SSL_net_read_desired() and SSL_net_write_desired() functions
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may change in response to any call to the SSL object other than
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SSL_net_read_desired(), SSL_net_write_desired(), SSL_get_rpoll_descriptor(),
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SSL_get_wpoll_descriptor() and SSL_get_tick_timeout().
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SSL_get_wpoll_descriptor() and SSL_get_event_timeout().
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These functions are not supported on non-QUIC SSL objects.
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@ -74,7 +74,7 @@ These functions return 1 on success and 0 on failure.
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=head1 SEE ALSO
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L<SSL_tick(3)>, L<SSL_get_tick_timeout(3)>, L<ssl(7)>
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L<SSL_handle_events(3)>, L<SSL_get_event_timeout(3)>, L<ssl(7)>
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=head1 HISTORY
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@ -2,66 +2,67 @@
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=head1 NAME
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SSL_tick - advance asynchronous state machine and perform network I/O
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SSL_handle_events - advance asynchronous state machine and perform network I/O
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_tick(SSL *ssl);
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int SSL_handle_events(SSL *ssl);
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=head1 DESCRIPTION
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SSL_tick() performs any internal processing which is due on a SSL object. The
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exact operations performed by SSL_tick() vary depending on what kind of protocol
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is being used with the given SSL object. For example, SSL_tick() may handle
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SSL_handle_events() performs any internal processing which is due on a SSL object. The
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exact operations performed by SSL_handle_events() vary depending on what kind of protocol
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is being used with the given SSL object. For example, SSL_handle_events() may handle
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timeout events which have become due, or may attempt, to the extent currently
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possible, to perform network I/O operations on one of the BIOs underlying the
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SSL object.
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The primary use case for SSL_tick() is to allow an application which uses
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The primary use case for SSL_handle_events() is to allow an application which uses
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OpenSSL in nonblocking mode to give OpenSSL an opportunity to handle timer
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events, or to respond to the availability of new data to be read from an
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underlying BIO, or to respond to the opportunity to write pending data to an
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underlying BIO.
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SSL_tick() can be used only with the following types of SSL object:
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SSL_handle_events() can be used only with the following types of SSL object:
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=over 4
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=item DTLS SSL objects
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Using SSL_tick() on an SSL object being used with a DTLS method allows timeout
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Using SSL_handle_events() on an SSL object being used with a DTLS method allows timeout
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events to be handled properly. This is equivalent to a call to
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L<DTLSv1_handle_timeout(3)>. Since SSL_tick() handles a superset of the use
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L<DTLSv1_handle_timeout(3)>. Since SSL_handle_events() handles a superset of the use
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cases of L<DTLSv1_handle_timeout(3)>, it should be preferred for new
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applications which do not require support for OpenSSL 3.1 or older.
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When using DTLS, an application must call SSL_tick() as indicated by calls to
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L<SSL_get_tick_timeout(3)>; ticking is not performed automatically by calls to
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other SSL functions such as L<SSL_read(3)> or L<SSL_write(3)>. Note that this is
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different to QUIC which also performs ticking implicitly; see below.
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When using DTLS, an application must call SSL_handle_events() as indicated by
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calls to L<SSL_get_event_timeout(3)>; ticking is not performed automatically by
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calls to other SSL functions such as L<SSL_read(3)> or L<SSL_write(3)>. Note
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that this is different to QUIC which also performs ticking implicitly; see
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below.
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=item QUIC connection SSL objects
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Using SSL_tick() on an SSL object which represents a QUIC connection allows
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Using SSL_handle_events() on an SSL object which represents a QUIC connection allows
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timeout events to be handled properly, as well as incoming network data to be
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processed, and queued outgoing network data to be written, if the underlying BIO
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has the capacity to accept it.
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Ordinarily, when an application uses an SSL object in blocking mode, it does not
|
||||
need to call SSL_tick() because OpenSSL performs ticking internally on an
|
||||
need to call SSL_handle_events() because OpenSSL performs ticking internally on an
|
||||
automatic basis. However, if an application uses a QUIC connection in
|
||||
nonblocking mode, it must at a minimum ensure that SSL_tick() is called
|
||||
nonblocking mode, it must at a minimum ensure that SSL_handle_events() is called
|
||||
periodically to allow timeout events to be handled. An application can find out
|
||||
when it next needs to call SSL_tick() for this purpose (if at all) by calling
|
||||
L<SSL_get_tick_timeout(3)>.
|
||||
when it next needs to call SSL_handle_events() for this purpose (if at all) by calling
|
||||
L<SSL_get_event_timeout(3)>.
|
||||
|
||||
Calling SSL_tick() on a QUIC connection SSL object being used in blocking mode
|
||||
Calling SSL_handle_events() on a QUIC connection SSL object being used in blocking mode
|
||||
is not necessary unless no I/O calls (such as L<SSL_read(3)> or L<SSL_write(3)>)
|
||||
will be made to the object for a substantial period of time. So long as at least
|
||||
one call to the SSL object is blocking, no such call is needed. However,
|
||||
SSL_tick() may optionally be used on a QUIC connection object if desired.
|
||||
SSL_handle_events() may optionally be used on a QUIC connection object if desired.
|
||||
|
||||
=begin comment
|
||||
|
||||
|
|
@ -71,10 +72,10 @@ TODO(QUIC): Update the above paragraph once we support thread assisted mode.
|
|||
|
||||
=back
|
||||
|
||||
Calling SSL_tick() on any other kind of SSL object is a no-op. This is
|
||||
Calling SSL_handle_events() on any other kind of SSL object is a no-op. This is
|
||||
considered a success case.
|
||||
|
||||
Note that SSL_tick() supersedes the older L<DTLSv1_handle_timeout(3)> function
|
||||
Note that SSL_handle_events() supersedes the older L<DTLSv1_handle_timeout(3)> function
|
||||
for all use cases.
|
||||
|
||||
=head1 RETURN VALUES
|
||||
|
|
@ -83,11 +84,11 @@ Returns 1 on success and 0 on failure.
|
|||
|
||||
=head1 SEE ALSO
|
||||
|
||||
L<SSL_get_tick_timeout(3)>, L<DTLSv1_handle_timeout(3)>, L<ssl(7)>
|
||||
L<SSL_get_event_timeout(3)>, L<DTLSv1_handle_timeout(3)>, L<ssl(7)>
|
||||
|
||||
=head1 HISTORY
|
||||
|
||||
The SSL_tick() function was added in OpenSSL 3.2.
|
||||
The SSL_handle_events() function was added in OpenSSL 3.2.
|
||||
|
||||
=head1 COPYRIGHT
|
||||
|
||||
|
|
@ -37,7 +37,7 @@ on a SSL object which is not a QUIC connection SSL object.
|
|||
|
||||
=head1 SEE ALSO
|
||||
|
||||
L<OSSL_QUIC_client_method(3)>, L<SSL_tick(3)>, L<SSL_set_blocking_mode(3)>
|
||||
L<OSSL_QUIC_client_method(3)>, L<SSL_handle_events(3)>, L<SSL_set_blocking_mode(3)>
|
||||
|
||||
=head1 HISTORY
|
||||
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@ provided to the SSL object are themselves configured in nonblocking mode.
|
|||
|
||||
Where a QUIC connection SSL object is used in nonblocking mode, an application
|
||||
is responsible for ensuring that the SSL object is ticked regularly; see
|
||||
L<SSL_tick(3)>.
|
||||
L<SSL_handle_events(3)>.
|
||||
|
||||
Blocking mode is disabled automatically if the application provides a QUIC
|
||||
connection SSL object with a network BIO which cannot support blocking mode. To
|
||||
|
|
@ -55,7 +55,7 @@ SSL_get_blocking_mode() returns 1 if blocking is currently enabled. It returns
|
|||
|
||||
=head1 SEE ALSO
|
||||
|
||||
L<SSL_tick(3)>, L<ssl(7)>
|
||||
L<SSL_handle_events(3)>, L<ssl(7)>
|
||||
|
||||
=head1 HISTORY
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue