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d1a9fb85a4
Avoid separate declarations and definitions for so-called 'global' objects.
* nix/libstore/derivations.{cc, hh} (drvHashes): Use inline instead of separate
declaration and definition.
* nix/libstore/globals.{cc, hh} (settings, nixVersion): Same.
* nix/libstore/local-store.hh (drvsLogDir, deduplicationMinSize): Same.
* nix/libstore/optimise-store.cc (deduplicationMinSize): Same.
* nix/libstore/store-api.{cc, hh} (store): Same.
* nix/libutil/archive.{cc, hh} (defaultPathFilter): Same.
* nix/libutil/hash.{cc, hh} (base32Chars): Same and modify header files.
* nix/libutil/util.{cc, hh} (logType, verbosity, _writeToStderr,
_isInterrupted): Same.
* nix/local.mk: Modified according to the rename of shared.hh.
* nix/nix-daemon/guix-daemon.cc (blockInt, argvSaved, run): Same and
modify header files.
* nix/nix-daemon/nix-daemon.cc: Modify header files.
* nix/nix-daemon/shared.hh: Renamed to nix-daemon.hh
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
#pragma once
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#include <gcrypt.h>
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#include "archive.hh"
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#include "types.hh"
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#include "serialise.hh"
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namespace nix {
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// omitted: E O U T
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inline const string base32Chars {"0123456789abcdfghijklmnpqrsvwxyz"};
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typedef enum {
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htUnknown = 0,
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htMD5 = GCRY_MD_MD5,
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htSHA1 = GCRY_MD_SHA1,
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htSHA256 = GCRY_MD_SHA256,
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htSHA512 = GCRY_MD_SHA512,
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htSHA3_256 = GCRY_MD_SHA3_256,
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htSHA3_512 = GCRY_MD_SHA3_512,
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htBLAKE2s_256 = GCRY_MD_BLAKE2S_256
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} HashType;
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struct Hash
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{
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static const unsigned int maxHashSize = 64;
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unsigned int hashSize;
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unsigned char hash[maxHashSize];
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HashType type;
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/* Create an unusable hash object. */
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Hash();
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/* Create a zero-filled hash object. */
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Hash(HashType type);
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/* Check whether two hash are equal. */
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bool operator == (const Hash & h2) const;
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/* Check whether two hash are not equal. */
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bool operator != (const Hash & h2) const;
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/* For sorting. */
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bool operator < (const Hash & h) const;
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};
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/* Convert a hash to a hexadecimal representation. */
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string printHash(const Hash & hash);
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/* Parse a hexadecimal representation of a hash code. */
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Hash parseHash(HashType ht, std::string_view s);
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/* Returns the length of a base-32 hash representation. */
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unsigned int hashLength32(const Hash & hash);
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/* Convert a hash to a base-32 representation. */
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string printHash32(const Hash & hash);
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/* Print a hash in base-16 if it's MD5, or base-32 otherwise. */
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string printHash16or32(const Hash & hash);
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/* Parse a base-32 representation of a hash code. */
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Hash parseHash32(HashType ht, std::string_view s);
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/* Parse a base-16 or base-32 representation of a hash code. */
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Hash parseHash16or32(HashType ht, std::string_view s);
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/* Verify that the given string is a valid hash code. */
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bool isHash(std::string_view s);
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/* Compute the hash of the given string. */
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Hash hashString(HashType ht, const string & s);
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/* Compute the hash of the given file. */
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Hash hashFile(HashType ht, const Path & path);
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/* Compute the hash of the given path. The hash is defined as
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(essentially) hashString(ht, dumpPath(path)). */
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typedef std::pair<Hash, unsigned long long> HashResult;
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HashResult hashPath(HashType ht, const Path & path,
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PathFilter & filter = defaultPathFilter);
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/* Compress a hash to the specified number of bytes by cyclically
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XORing bytes together. */
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Hash compressHash(const Hash & hash, unsigned int newSize);
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/* Parse a string representing a hash type. */
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HashType parseHashType(const string & s);
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/* And the reverse. */
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string printHashType(HashType ht);
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struct Ctx;
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class HashSink : public BufferedSink
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{
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private:
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HashType ht;
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Ctx * ctx;
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unsigned long long bytes;
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public:
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HashSink(HashType ht);
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HashSink(const HashSink & h);
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~HashSink();
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void write(const unsigned char * data, size_t len);
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HashResult finish();
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HashResult currentHash();
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};
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}
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