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Nick Mathewson
bc91808c47
This module's job is to remember old consensus documents, to calculate their diffs on demand, and to . There are some incomplete points in this code; I've marked them with "XXXX". I intend to fix them in separate commits, since I believe doing it in separate commits will make the branch easier to review.
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* Copyright (c) 2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef TOR_CONSDIFFMGR_H
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#define TOR_CONSDIFFMGR_H
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/**
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* Possible outcomes from trying to look up a given consensus diff.
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*/
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typedef enum consdiff_status_t {
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CONSDIFF_AVAILABLE,
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CONSDIFF_NOT_FOUND,
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CONSDIFF_IN_PROGRESS,
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} consdiff_status_t;
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typedef struct consdiff_cfg_t {
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uint32_t cache_max_age_hours;
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uint32_t cache_max_num;
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} consdiff_cfg_t;
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struct consensus_cache_entry_t; // from conscache.h
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int consdiffmgr_add_consensus(const char *consensus,
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const networkstatus_t *as_parsed);
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consdiff_status_t consdiffmgr_find_diff_from(
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struct consensus_cache_entry_t **entry_out,
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consensus_flavor_t flavor,
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int digest_type,
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const uint8_t *digest,
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size_t digestlen);
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void consdiffmgr_rescan(void);
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int consdiffmgr_cleanup(void);
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void consdiffmgr_configure(const consdiff_cfg_t *cfg);
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void consdiffmgr_free_all(void);
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#endif
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