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22 lines
730 B
C
22 lines
730 B
C
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#ifndef STREAM_H
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#define STREAM_H
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#include "rax.h"
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/* Stream item ID: a 128 bit number composed of a milliseconds time and
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* a sequence counter. IDs generated in the same millisecond (or in a past
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* millisecond if the clock jumped backward) will use the millisecond time
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* of the latest generated ID and an incremented sequence. */
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typedef struct streamID {
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uint64_t ms; /* Unix time in milliseconds. */
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uint64_t seq; /* Sequence number. */
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} streamID;
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typedef struct stream {
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rax *rax; /* The radix tree holding the stream. */
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uint64_t length; /* Number of elements inside this stream. */
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streamID last_id; /* Zero if there are yet no items. */
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} stream;
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#endif
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