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Streams: initial work to use blocking lists logic for streams XREAD.

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antirez
2017-09-06 15:43:28 +02:00
parent 439120c620
commit 4a377cecd8
6 changed files with 234 additions and 215 deletions
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11
src/server.h
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@ -256,6 +256,7 @@ typedef long long mstime_t; /* millisecond time type. */
#define BLOCKED_LIST 1 /* BLPOP & co. */
#define BLOCKED_WAIT 2 /* WAIT for synchronous replication. */
#define BLOCKED_MODULE 3 /* Blocked by a loadable module. */
#define BLOCKED_STREAM 4 /* XREAD. */
/* Client request types */
#define PROTO_REQ_INLINE 1
@ -641,9 +642,9 @@ typedef struct blockingState {
mstime_t timeout; /* Blocking operation timeout. If UNIX current time
* is > timeout then the operation timed out. */
/* BLOCKED_LIST */
/* BLOCKED_LIST and BLOCKED_STREAM */
dict *keys; /* The keys we are waiting to terminate a blocking
* operation such as BLPOP. Otherwise NULL. */
* operation such as BLPOP or XREAD. Or NULL. */
robj *target; /* The key that should receive the element,
* for BRPOPLPUSH. */
@ -1291,6 +1292,7 @@ typedef struct {
extern struct redisServer server;
extern struct sharedObjectsStruct shared;
extern dictType objectKeyPointerValueDictType;
extern dictType objectKeyHeapPointerValueDictType;
extern dictType setDictType;
extern dictType zsetDictType;
extern dictType clusterNodesDictType;
@ -1413,9 +1415,7 @@ int listTypeEqual(listTypeEntry *entry, robj *o);
void listTypeDelete(listTypeIterator *iter, listTypeEntry *entry);
void listTypeConvert(robj *subject, int enc);
void unblockClientWaitingData(client *c);
void handleClientsBlockedOnLists(void);
void popGenericCommand(client *c, int where);
void signalListAsReady(redisDb *db, robj *key);
/* Stream data type. */
stream *streamNew(void);
@ -1798,6 +1798,9 @@ void unblockClient(client *c);
void replyToBlockedClientTimedOut(client *c);
int getTimeoutFromObjectOrReply(client *c, robj *object, mstime_t *timeout, int unit);
void disconnectAllBlockedClients(void);
void handleClientsBlockedOnKeys(void);
void signalKeyAsReady(redisDb *db, robj *key);
void blockForKeys(client *c, robj **keys, int numkeys, mstime_t timeout, robj *target);
/* expire.c -- Handling of expired keys */
void activeExpireCycle(int type);