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a3f222dc1e
Implement the subscription in the mux on the qcs instance. Subscribe is now used by the h3 layer when receiving an incomplete frame on the H3 control stream. It is also used when attaching the remote uni-directional streams on the h3 layer. In the qc_send, the mux wakes up the qcs for each new transfer executed. This is done via the method qcs_notify_send(). The xprt wakes up the qcs when receiving data on unidirectional streams. This is done via the method qcs_notify_recv().
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
#ifndef _HAPROXY_MUX_QUIC_H
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#define _HAPROXY_MUX_QUIC_H
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#ifdef USE_QUIC
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#ifndef USE_OPENSSL
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#error "Must define USE_OPENSSL"
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#endif
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#include <haproxy/bug.h>
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#include <haproxy/mux_quic-t.h>
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void quic_mux_transport_params_update(struct qcc *qcc);
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struct qcs *qcs_new(struct qcc *qcc, uint64_t id, enum qcs_type type);
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void uni_qcs_free(struct qcs *qcs);
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struct buffer *qc_get_buf(struct qcs *qcs, struct buffer *bptr);
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int qcs_subscribe(struct qcs *qcs, int event_type, struct wait_event *es);
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void qcs_notify_recv(struct qcs *qcs);
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void qcs_notify_send(struct qcs *qcs);
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/* Bit shift to get the stream sub ID for internal use which is obtained
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* shifting the stream IDs by this value, knowing that the
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* QCS_ID_TYPE_SHIFT less significant bits identify the stream ID
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* types (client initiated bidirectional, server initiated bidirectional,
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* client initiated unidirectional, server initiated bidirectional).
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* Note that there is no reference to such stream sub IDs in the RFC.
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*/
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#define QCS_ID_TYPE_MASK 0x3
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#define QCS_ID_TYPE_SHIFT 2
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/* The less significant bit of a stream ID is set for a server initiated stream */
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#define QCS_ID_SRV_INTIATOR_BIT 0x1
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/* This bit is set for unidirectional streams */
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#define QCS_ID_DIR_BIT 0x2
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static inline enum qcs_type qcs_id_type(uint64_t id)
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{
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return id & QCS_ID_TYPE_MASK;
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}
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/* Return 1 if the stream with <id> as ID attached to <qcc> connection
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* has been locally initiated, 0 if not.
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*/
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static inline int qc_local_stream_id(struct qcc *qcc, uint64_t id)
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{
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return id & QCS_ID_SRV_INTIATOR_BIT;
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}
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static inline int qcs_get_next_id(struct qcc *qcc, enum qcs_type type)
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{
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BUG_ON(qcc->strms[type].nb_streams + 1 > qcc->strms[type].max_streams);
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return (qcc->strms[type].nb_streams++ << QCS_ID_TYPE_SHIFT) | type;
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}
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#endif /* USE_QUIC */
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#endif /* _HAPROXY_MUX_QUIC_H */
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