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f3b9676416
Add a field to save the creation date of qc_stream_desc instance. This is useful to display QUIC stream age in "show quic stream" output.
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
#ifndef _HAPROXY_QUIC_STREAM_T_H_
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#define _HAPROXY_QUIC_STREAM_T_H_
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#ifdef USE_QUIC
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#include <import/ebtree-t.h>
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#include <haproxy/buf-t.h>
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#include <haproxy/list-t.h>
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#include <haproxy/quic_utils-t.h>
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/* A QUIC STREAM buffer used for Tx.
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*
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* Currently, no offset is associated with an offset. The qc_stream_desc must
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* store them in order and keep the offset of the oldest buffer. The buffers
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* can be freed in strict order.
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*/
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struct qc_stream_buf {
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struct eb_root ack_tree; /* storage for out-of-order ACKs */
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struct eb64_node offset_node; /* node for qc_stream_desc buf tree */
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struct buffer buf; /* STREAM payload */
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uint64_t room; /* room already notified from buffered ACKs */
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int sbuf;
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};
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#define QC_SD_FL_RELEASE 0x00000001 /* set when MUX has finished to use this stream */
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#define QC_SD_FL_WAIT_FOR_FIN 0x00000002 /* set if sent FIN is waiting for acknowledgement */
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/* QUIC STREAM descriptor.
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*
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* This structure is the low-level counterpart of the QUIC STREAM at the MUX
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* layer. It is stored in the quic-conn and provides facility for Tx buffering.
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*
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* Once the MUX has finished to transfer data on a STREAM, it must release its
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* QUIC STREAM descriptor. The descriptor will be kept by the quic_conn until
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* all acknowledgement has been received.
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*/
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struct qc_stream_desc {
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struct eb64_node by_id; /* node for quic_conn tree */
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struct quic_conn *qc;
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struct qc_stream_buf *buf; /* current buffer used by the MUX */
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uint64_t buf_offset; /* base offset of current buffer */
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uint64_t ack_offset; /* last acknowledged offset */
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struct eb_root buf_tree; /* list of active and released buffers */
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struct bdata_ctr data; /* data utilization counter */
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ullong origin_ts; /* timestamp for creation date of current stream instance */
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int flags; /* QC_SD_FL_* values */
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void (*notify_send)(struct qc_stream_desc *, uint64_t offset, uint64_t len);
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void (*notify_room)(struct qc_stream_desc *, uint64_t room);
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void *ctx; /* notify context */
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};
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/* Represents a range of acknowledged data that cannot be immediately deleted. */
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struct qc_stream_ack {
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struct eb64_node offset_node; /* range starting offset, used as attach point to streambuf <ack_tree>. */
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uint64_t len; /* length of the acknowledged range */
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int fin; /* set if the related STREAM frame had FIN bit set */
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};
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#endif /* USE_QUIC */
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#endif /* _HAPROXY_QUIC_STREAM_T_H_ */
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