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Module: API to block clients with threading support.

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Just a draft to align the main ideas, never executed code. Compiles.
This commit is contained in:
antirez
2016-10-07 11:55:35 +02:00
parent a5998d1fda
commit 8fadfe52a2
4 changed files with 187 additions and 13 deletions
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9
src/server.h
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@ -245,6 +245,7 @@ typedef long long mstime_t; /* millisecond time type. */
#define BLOCKED_NONE 0 /* Not blocked, no CLIENT_BLOCKED flag set. */
#define BLOCKED_LIST 1 /* BLPOP & co. */
#define BLOCKED_WAIT 2 /* WAIT for synchronous replication. */
#define BLOCKED_MODULE 3 /* Blocked by a loadable module. */
/* Client request types */
#define PROTO_REQ_INLINE 1
@ -619,6 +620,11 @@ typedef struct blockingState {
/* BLOCKED_WAIT */
int numreplicas; /* Number of replicas we are waiting for ACK. */
long long reploffset; /* Replication offset to reach. */
/* BLOCKED_MODULE */
void *module_blocked_handle; /* RedisModuleBlockedClient structure.
which is opaque for the Redis core, only
handled in module.c. */
} blockingState;
/* The following structure represents a node in the server.ready_keys list,
@ -1226,6 +1232,9 @@ int *moduleGetCommandKeysViaAPI(struct redisCommand *cmd, robj **argv, int argc,
moduleType *moduleTypeLookupModuleByID(uint64_t id);
void moduleTypeNameByID(char *name, uint64_t moduleid);
void moduleFreeContext(struct RedisModuleCtx *ctx);
void unblockClientFromModule(client *c);
void moduleHandleBlockedClients(void);
void moduleBlockedClientTimedOut(client *c);
/* Utils */
long long ustime(void);