git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
blob 331957011b12cd7f1a7c88e0617556bdb5c17a16 1957 bytes (raw)
name: t/helper/test-bloom.c 	 # note: path name is non-authoritative(*)

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
#include "test-tool.h"
#include "git-compat-util.h"
#include "bloom.h"
#include "test-tool.h"
#include "cache.h"
#include "commit-graph.h"
#include "commit.h"
#include "config.h"
#include "object-store.h"
#include "object.h"
#include "repository.h"
#include "tree.h"

struct bloom_filter_settings settings = DEFAULT_BLOOM_FILTER_SETTINGS;

static void print_bloom_filter(struct bloom_filter *filter) {
	int i;

	if (!filter) {
		printf("No filter.\n");
		return;
	}
	printf("Filter_Length:%d\n", filter->len);
	printf("Filter_Data:");
	for (i = 0; i < filter->len; i++){
		printf("%"PRIx64"|", filter->data[i]);
	}
	printf("\n");
}

static void add_string_to_filter(const char *data, struct bloom_filter *filter) {
		struct bloom_key key;
		int i;

		fill_bloom_key(data, strlen(data), &key, &settings);
		printf("Hashes:");
		for (i = 0; i < settings.num_hashes; i++){
			printf("%08x|", key.hashes[i]);
		}
		printf("\n");
		add_key_to_filter(&key, filter, &settings);
}

static void get_bloom_filter_for_commit(const struct object_id *commit_oid)
{
	struct commit *c;
	struct bloom_filter *filter;
	setup_git_directory();
	c = lookup_commit(the_repository, commit_oid);
	filter = get_bloom_filter(the_repository, c);
	print_bloom_filter(filter);
}

int cmd__bloom(int argc, const char **argv)
{
    if (!strcmp(argv[1], "generate_filter")) {
		struct bloom_filter filter;
		int i = 2;
		filter.len =  (settings.bits_per_entry + BITS_PER_WORD - 1) / BITS_PER_WORD;
		filter.data = xcalloc(filter.len, sizeof(uint64_t));

		if (!argv[2]){
			die("at least one input string expected");
		}

		while (argv[i]) {
			add_string_to_filter(argv[i], &filter);
			i++;
		}

		print_bloom_filter(&filter);
	}

	if (!strcmp(argv[1], "get_filter_for_commit")) {
		struct object_id oid;
		const char *end;
		if (parse_oid_hex(argv[2], &oid, &end))
			die("cannot parse oid '%s'", argv[2]);
		load_bloom_filters();
		get_bloom_filter_for_commit(&oid);
	}

	return 0;
}

debug log:

solving 331957011b ...
found 331957011b in https://public-inbox.org/git/02b16d94227470059dcee2781e29ae7ae010f602.1580943390.git.gitgitgadget@gmail.com/

applying [1/1] https://public-inbox.org/git/02b16d94227470059dcee2781e29ae7ae010f602.1580943390.git.gitgitgadget@gmail.com/
diff --git a/t/helper/test-bloom.c b/t/helper/test-bloom.c
new file mode 100644
index 0000000000..331957011b

Checking patch t/helper/test-bloom.c...
Applied patch t/helper/test-bloom.c cleanly.

index at:
100644 331957011b12cd7f1a7c88e0617556bdb5c17a16	t/helper/test-bloom.c

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).