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feat(pubsub): support sharded pub/sub

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This commit is contained in:
jianghang
2022-08-03 23:10:03 +08:00
parent 084c0c8914
commit baa48a4415
8 changed files with 233 additions and 2 deletions
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13
ring.go
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@ -504,6 +504,19 @@ func (c *Ring) PSubscribe(ctx context.Context, channels ...string) *PubSub {
return shard.Client.PSubscribe(ctx, channels...)
}
// SSubscribe Subscribes the client to the specified shard channels.
func (c *Ring) SSubscribe(ctx context.Context, channels ...string) *PubSub {
if len(channels) == 0 {
panic("at least one channel is required")
}
shard, err := c.shards.GetByKey(channels[0])
if err != nil {
// TODO: return PubSub with sticky error
panic(err)
}
return shard.Client.SSubscribe(ctx, channels...)
}
// ForEachShard concurrently calls the fn on each live shard in the ring.
// It returns the first error if any.
func (c *Ring) ForEachShard(