+/*
+ * 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_H
#define __REDIS_H
#define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */
#define REDIS_CMD_LOADING 512 /* "l" flag */
#define REDIS_CMD_STALE 1024 /* "t" flag */
+#define REDIS_CMD_SKIP_MONITOR 2048 /* "M" flag */
/* Object types */
#define REDIS_STRING 0
#define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */
#define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */
+/* MDB states */
+#define REDIS_MDB_OFF 0 /* MDB is off */
+#define REDIS_MDB_ON 1 /* MDB is on */
+
/* AOF states */
#define REDIS_AOF_OFF 0 /* AOF is off */
#define REDIS_AOF_ON 1 /* AOF is on */
#define REDIS_AOF_WAIT_REWRITE 2 /* AOF waits rewrite to start appending */
/* Client flags */
-#define REDIS_SLAVE 1 /* This client is a slave server */
-#define REDIS_MASTER 2 /* This client is a master server */
-#define REDIS_MONITOR 4 /* This client is a slave monitor, see MONITOR */
-#define REDIS_MULTI 8 /* This client is in a MULTI context */
-#define REDIS_BLOCKED 16 /* The client is waiting in a blocking operation */
-#define REDIS_DIRTY_CAS 64 /* Watched keys modified. EXEC will fail. */
-#define REDIS_CLOSE_AFTER_REPLY 128 /* Close after writing entire reply. */
-#define REDIS_UNBLOCKED 256 /* This client was unblocked and is stored in
- server.unblocked_clients */
-#define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
-#define REDIS_ASKING 1024 /* Client issued the ASKING command */
-#define REDIS_CLOSE_ASAP 2048 /* Close this client ASAP */
+#define REDIS_SLAVE (1<<0) /* This client is a slave server */
+#define REDIS_MASTER (1<<1) /* This client is a master server */
+#define REDIS_MONITOR (1<<2) /* This client is a slave monitor, see MONITOR */
+#define REDIS_MULTI (1<<3) /* This client is in a MULTI context */
+#define REDIS_BLOCKED (1<<4) /* The client is waiting in a blocking operation */
+#define REDIS_DIRTY_CAS (1<<5) /* Watched keys modified. EXEC will fail. */
+#define REDIS_CLOSE_AFTER_REPLY (1<<6) /* Close after writing entire reply. */
+#define REDIS_UNBLOCKED (1<<7) /* This client was unblocked and is stored in
+ server.unblocked_clients */
+#define REDIS_LUA_CLIENT (1<<8) /* This is a non connected client used by Lua */
+#define REDIS_ASKING (1<<9) /* Client issued the ASKING command */
+#define REDIS_CLOSE_ASAP (1<<10)/* Close this client ASAP */
+#define REDIS_UNIX_SOCKET (1<<11) /* Client connected via Unix domain socket */
+#define REDIS_DIRTY_EXEC (1<<12) /* EXEC will fail for errors while queueing */
/* Client request types */
#define REDIS_REQ_INLINE 1
#define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */
typedef struct redisObject {
unsigned type:4;
- unsigned notused:2; /* Not used */
+ unsigned archived:1;
+ unsigned notused:1; /* Not used */
unsigned encoding:4;
unsigned lru:22; /* lru time (relative to server.lruclock) */
int refcount;
} multiState;
typedef struct blockingState {
- robj **keys; /* The key we are waiting to terminate a blocking
+ dict *keys; /* The keys we are waiting to terminate a blocking
* operation such as BLPOP. Otherwise NULL. */
- int count; /* Number of blocking keys */
time_t timeout; /* Blocking operation timeout. If UNIX current time
* is >= timeout then the operation timed out. */
robj *target; /* The key that should receive the element,
*colon, *nullbulk, *nullmultibulk, *queued,
*emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
*outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
- *masterdownerr, *roslaveerr,
+ *masterdownerr, *roslaveerr, *execaborterr,
*oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
*lpush,
struct redisServer {
/* General */
redisDb *db;
- dict *commands; /* Command table hahs table */
+ dict *commands; /* Command table hash table */
aeEventLoop *el;
unsigned lruclock:22; /* Clock incrementing every minute, for LRU */
unsigned lruclock_padding:10;
time_t rdb_save_time_start; /* Current RDB save start time. */
int lastbgsave_status; /* REDIS_OK or REDIS_ERR */
int stop_writes_on_bgsave_err; /* Don't allow writes if can't BGSAVE */
+ /* MDB archival */
+ int mdb_state; /* REDIS_MDB_(ON|OFF) */
+ char *mdb_environment; /* Name of the MDB file */
+ size_t mdb_mapsize; /* Map size for use with MDB */
/* Propagation of commands in AOF / replication */
redisOpArray also_propagate; /* Additional command to propagate. */
/* Logging */
extern dictType setDictType;
extern dictType zsetDictType;
extern dictType dbDictType;
+extern dictType shaScriptObjectDictType;
extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
extern dictType hashDictType;
void touchWatchedKey(redisDb *db, robj *key);
void touchWatchedKeysOnFlush(int dbid);
void discardTransaction(redisClient *c);
+void flagTransaction(redisClient *c);
/* Redis object implementation */
void decrRefCount(void *o);
void setKey(redisDb *db, robj *key, robj *val);
int dbExists(redisDb *db, robj *key);
robj *dbRandomKey(redisDb *db);
+int dbDeleteSoft(redisDb *db, robj *key);
int dbDelete(redisDb *db, robj *key);
long long emptyDb();
int selectDb(redisClient *c, int id);
void signalFlushedDb(int dbid);
unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
+/* external database archival */
+void stopKeyArchive(void);
+int startKeyArchive(void);
+robj *recover(redisDb *db, robj *key);
+int archive(redisDb *db, robj *key);
+void purge(robj *key);
+
/* API to get key arguments from commands */
#define REDIS_GETKEYS_ALL 0
#define REDIS_GETKEYS_PRELOAD 1
projects / redis.git / blobdiff