Add Dockerfile for prod container. Reorganize source tree to be docker-build friendly.

src/redis/util.h

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+/*
+ * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __REDIS_UTIL_H
+#define __REDIS_UTIL_H
+
+#include <stdint.h>
+#include <time.h>
+#include <unistd.h>
+
+
+/* The maximum number of characters needed to represent a long double
+ * as a string (long double has a huge range).
+ * This should be the size of the buffer given to ld2string */
+#define MAX_LONG_DOUBLE_CHARS 5*1024
+
+/* long double to string convertion options */
+typedef enum {
+    LD_STR_AUTO,     /* %.17Lg */
+    LD_STR_HUMAN,    /* %.17Lf + Trimming of trailing zeros */
+    LD_STR_HEX       /* %La */
+} ld2string_mode;
+
+int stringmatchlen(const char *p, int plen, const char *s, int slen, int nocase);
+int stringmatch(const char *p, const char *s, int nocase);
+int stringmatchlen_fuzz_test(void);
+long long memtoll(const char *p, int *err);
+const char *mempbrk(const char *s, size_t len, const char *chars, size_t charslen);
+char *memmapchars(char *s, size_t len, const char *from, const char *to, size_t setlen);
+uint32_t digits10(uint64_t v);
+uint32_t sdigits10(int64_t v);
+int ll2string(char *s, size_t len, long long value);
+int string2ll(const char *s, size_t slen, long long *value);
+int string2ull(const char *s, unsigned long long *value);
+int string2l(const char *s, size_t slen, long *value);
+int string2ld(const char *s, size_t slen, long double *dp);
+int string2d(const char *s, size_t slen, double *dp);
+int d2string(char *buf, size_t len, double value);
+int ld2string(char *buf, size_t len, long double value, ld2string_mode mode);
+
+long getTimeZone(void);
+int pathIsBaseName(char *path);
+
+#define LOG_MAX_LEN    1024 /* Default maximum length of syslog messages.*/
+
+/* Log levels */
+#define LL_DEBUG 0
+#define LL_VERBOSE 1
+#define LL_NOTICE 2
+#define LL_WARNING 3
+#define LL_RAW (1<<10) /* Modifier to log without timestamp */
+
+
+#define LRU_BITS 24
+#define LRU_CLOCK_MAX ((1<<LRU_BITS)-1) /* Max value of obj->lru */
+#define LRU_CLOCK_RESOLUTION 1000 /* LRU clock resolution in ms */
+
+void serverLog(int level, const char *fmt, ...);
+void _serverPanic(const char *file, int line, const char *msg, ...);
+void _serverAssert(const char *estr, const char *file, int line);
+void serverLogHexDump(int level, char *descr, void *value, size_t len);
+
+#define serverPanic(...) _serverPanic(__FILE__,__LINE__,__VA_ARGS__),_exit(1)
+#define serverAssert(_e) ((_e)?(void)0 : (_serverAssert(#_e,__FILE__,__LINE__),_exit(1)))
+
+extern int verbosity;
+
+typedef long long mstime_t; /* millisecond time type. */
+unsigned int LRU_CLOCK(void);
+void debugDelay(int usec);
+long long ustime(void);
+
+/* Return the current time in minutes, just taking the least significant
+ * 16 bits. The returned time is suitable to be stored as LDT (last decrement
+ * time) for the LFU implementation. */
+static inline unsigned long LFUGetTimeInMinutesT(size_t sec) {
+    return (sec / 60) & 65535;
+}
+
+static inline unsigned long LFUGetTimeInMinutes() {
+    return LFUGetTimeInMinutesT(time(NULL));
+}
+
+/* Given an object last access time, compute the minimum number of minutes
+ * that elapsed since the last access. Handle overflow (ldt greater than
+ * the current 16 bits minutes time) considering the time as wrapping
+ * exactly once. */
+static inline unsigned long LFUTimeElapsed(time_t sec, unsigned long ldt) {
+    unsigned long now = LFUGetTimeInMinutesT(sec);
+    if (now >= ldt) return now-ldt;
+    return 65535-ldt+now;
+}
+
+
+/* Return the UNIX time in milliseconds */
+static inline mstime_t mstime(void) {
+  return ustime()/1000;
+}
+
+/* Return the LRU clock, based on the clock resolution. This is a time
+ * in a reduced-bits format that can be used to set and check the
+ * object->lru field of redisObject structures. */
+static inline unsigned int getLRUClock(void) {
+    int64_t t = time(NULL);
+    return t & LRU_CLOCK_MAX;
+}
+
+#ifdef REDIS_TEST
+int utilTest(int argc, char **argv, int accurate);
+#endif
+
+#endif