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Modules: block on keys: export APIs.

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antirez 2019-10-30 10:20:28 +01:00
parent 3649568ff2
commit fb6110ac20
2 changed files with 15 additions and 0 deletions
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11
src/module.c
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@ -4128,6 +4128,15 @@ RedisModuleBlockedClient *RM_BlockClientOnKeys(RedisModuleCtx *ctx, RedisModuleC
return moduleBlockClient(ctx,reply_callback,timeout_callback,free_privdata,timeout_ms, keys,numkeys,is_key_ready,privdata);
}
/* This function is used in order to potentially unblock a client blocked
* on keys with RedisModule_BlockClientOnKeys(). When this function is called,
* all the clients blocked for this key will get their is_key_ready callback,
* and if the callback returns non-zero the client will be unblocked and the
* reply callback will be called in order to reply to the client. */
void RM_SignalKeyAsReady(RedisModuleCtx *ctx, RedisModuleString *key) {
signalKeyAsReady(ctx->client->db, key);
}
/* Unblock a client blocked by `RedisModule_BlockedClient`. This will trigger
* the reply callbacks to be called in order to reply to the client.
* The 'privdata' argument will be accessible by the reply callback, so
@ -6634,4 +6643,6 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(InfoAddFieldULongLong);
REGISTER_API(GetClientInfoById);
REGISTER_API(SubscribeToServerEvent);
REGISTER_API(BlockClientOnKeys);
REGISTER_API(SignalKeyAsReady);
}

4
src/redismodule.h
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@ -492,6 +492,8 @@ int REDISMODULE_API_FUNC(RedisModule_InfoAddFieldDouble)(RedisModuleInfoCtx *ctx
int REDISMODULE_API_FUNC(RedisModule_InfoAddFieldLongLong)(RedisModuleInfoCtx *ctx, char *field, long long value);
int REDISMODULE_API_FUNC(RedisModule_InfoAddFieldULongLong)(RedisModuleInfoCtx *ctx, char *field, unsigned long long value);
int REDISMODULE_API_FUNC(RedisModule_SubscribeToServerEvent)(RedisModuleCtx *ctx, RedisModuleEvent event, RedisModuleEventCallback callback);
RedisModuleBlockedClient *REDISMODULE_API_FUNC(RedisModule_BlockClientOnKeys)(RedisModuleCtx *ctx, RedisModuleCmdFunc reply_callback, RedisModuleCmdFunc timeout_callback, void (*free_privdata)(RedisModuleCtx*,void*), long long timeout_ms, RedisModuleString **keys, int numkeys, int (*is_key_ready)(RedisModuleCtx*, RedisModuleString *keyname, void *privdata), void *privdata);
void REDISMODULE_API_FUNC(RedisModule_SignalKeyAsReady)(RedisModuleCtx *ctx, RedisModuleString *key);
/* Experimental APIs */
#ifdef REDISMODULE_EXPERIMENTAL_API
@ -688,6 +690,8 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
REDISMODULE_GET_API(InfoAddFieldULongLong);
REDISMODULE_GET_API(GetClientInfoById);
REDISMODULE_GET_API(SubscribeToServerEvent);
REDISMODULE_GET_API(BlockClientOnKeys);
REDISMODULE_GET_API(SignalKeyAsReady);
#ifdef REDISMODULE_EXPERIMENTAL_API
REDISMODULE_GET_API(GetThreadSafeContext);