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Implements [B]Z[REV]POP and the respective unit tests

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An implementation of the
[Ze POP Redis Module](https://github.com/itamarhaber/zpop) as core
Redis commands.

Fixes #1861.
This commit is contained in:
Itamar Haber
2018-04-30 02:10:42 +03:00
parent e6b0e8d9ec
commit 438125b47c
6 changed files with 380 additions and 20 deletions
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16
src/server.h
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@ -258,7 +258,8 @@ typedef long long mstime_t; /* millisecond time type. */
#define BLOCKED_WAIT 2 /* WAIT for synchronous replication. */
#define BLOCKED_MODULE 3 /* Blocked by a loadable module. */
#define BLOCKED_STREAM 4 /* XREAD. */
#define BLOCKED_NUM 5 /* Number of blocked states. */
#define BLOCKED_ZSET 5 /* BZPOP et al. */
#define BLOCKED_NUM 6 /* Number of blocked states. */
/* Client request types */
#define PROTO_REQ_INLINE 1
@ -646,7 +647,7 @@ typedef struct blockingState {
mstime_t timeout; /* Blocking operation timeout. If UNIX current time
* is > timeout then the operation timed out. */
/* BLOCKED_LIST and BLOCKED_STREAM */
/* BLOCKED_LIST, BLOCKED_ZSET and BLOCKED_STREAM */
dict *keys; /* The keys we are waiting to terminate a blocking
* operation such as BLPOP or XREAD. Or NULL. */
robj *target; /* The key that should receive the element,
@ -762,7 +763,7 @@ struct sharedObjectsStruct {
*masterdownerr, *roslaveerr, *execaborterr, *noautherr, *noreplicaserr,
*busykeyerr, *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *unlink,
*rpop, *lpop, *lpush, *emptyscan,
*rpop, *lpop, *lpush, *zpop, *zrevpop, *emptyscan,
*select[PROTO_SHARED_SELECT_CMDS],
*integers[OBJ_SHARED_INTEGERS],
*mbulkhdr[OBJ_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
@ -960,8 +961,8 @@ struct redisServer {
off_t loading_process_events_interval_bytes;
/* Fast pointers to often looked up command */
struct redisCommand *delCommand, *multiCommand, *lpushCommand, *lpopCommand,
*rpopCommand, *sremCommand, *execCommand,
*expireCommand, *pexpireCommand, *xclaimCommand;
*rpopCommand, *zpopCommand, *zrevpopCommand, *sremCommand,
*execCommand, *expireCommand, *pexpireCommand, *xclaimCommand;
/* Fields used only for stats */
time_t stat_starttime; /* Server start time */
long long stat_numcommands; /* Number of processed commands */
@ -1628,6 +1629,7 @@ unsigned long zslGetRank(zskiplist *zsl, double score, sds o);
int zsetAdd(robj *zobj, double score, sds ele, int *flags, double *newscore);
long zsetRank(robj *zobj, sds ele, int reverse);
int zsetDel(robj *zobj, sds ele);
void genericZpopCommand(client *c, robj **keyv, int keyc, int reverse);
sds ziplistGetObject(unsigned char *sptr);
int zslValueGteMin(double value, zrangespec *spec);
int zslValueLteMax(double value, zrangespec *spec);
@ -1968,6 +1970,10 @@ void zremCommand(client *c);
void zscoreCommand(client *c);
void zremrangebyscoreCommand(client *c);
void zremrangebylexCommand(client *c);
void zpopCommand(client *c);
void zrevpopCommand(client *c);
void bzpopCommand(client *c);
void bzrevpopCommand(client *c);
void multiCommand(client *c);
void execCommand(client *c);
void discardCommand(client *c);