libsystemd-bus: rename to libsystemd

[elogind.git] / src / libsystemd-bus / bus-bloom.c

diff --git a/src/libsystemd-bus/bus-bloom.c b/src/libsystemd-bus/bus-bloom.c
deleted file mode 100644 (file)
index 9e51334..0000000
--- a/src/libsystemd-bus/bus-bloom.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2013 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "util.h"
-#include "siphash24.h"
-#include "bus-bloom.h"
-
-static inline void set_bit(uint64_t filter[], unsigned b) {
-        filter[b >> 6] |= 1ULL << (b & 63);
-}
-
-#define HASH_KEY1 SD_ID128_MAKE(b9,66,0b,f0,46,70,47,c1,88,75,c4,9c,54,b9,bd,15)
-#define HASH_KEY2 SD_ID128_MAKE(aa,a1,54,a2,e0,71,4b,39,bf,e1,dd,2e,9f,c5,4a,3b)
-
-static void bloom_add_data(uint64_t filter[BLOOM_SIZE/8], const void *data, size_t n) {
-        uint8_t a[8], b[8];
-        unsigned k = 0;
-
-        /*
-         * Our bloom filter has the following parameters:
-         *
-         * m=512   (bits in the filter)
-         * k=8     (hash functions)
-         *
-         * We calculate a two 64bit SipHash values (for two fixed but
-         * randomly generated hash keys) of which we use 8 parts of 9 bits
-         * as individual hash functions.
-         *
-         */
-
-        siphash24(a, data, n, HASH_KEY1.bytes);
-        siphash24(b, data, n, HASH_KEY2.bytes);
-
-        assert_cc(BLOOM_SIZE*8 == 512);
-
-        for (k = 0; k < 8; k++)
-                set_bit(filter, ((uint16_t) a[k] << 1) ^ (uint16_t) b[k]);
-
-        /* log_debug("bloom: adding <%.*s>", (int) n, (char*) data); */
-}
-
-void bloom_add_pair(uint64_t filter[BLOOM_SIZE/8], const char *a, const char *b) {
-        size_t n;
-        char *c;
-
-        assert(filter);
-        assert(a);
-        assert(b);
-
-        n = strlen(a) + 1 + strlen(b);
-        c = alloca(n + 1);
-        strcpy(stpcpy(stpcpy(c, a), ":"), b);
-
-        bloom_add_data(filter, c, n);
-}
-
-void bloom_add_prefixes(uint64_t filter[BLOOM_SIZE/8], const char *a, const char *b, char sep) {
-        size_t n;
-        char *c, *p;
-
-        assert(filter);
-        assert(a);
-        assert(b);
-
-        n = strlen(a) + 1 + strlen(b);
-        c = alloca(n + 1);
-
-        p = stpcpy(stpcpy(c, a), ":");
-        strcpy(p, b);
-
-        for (;;) {
-                char *e;
-
-                e = strrchr(p, sep);
-                if (!e || e == p)
-                        break;
-
-                *e = 0;
-                bloom_add_data(filter, c, e - c);
-        }
-}