notify

package
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Published: Feb 16, 2016 License: Apache-2.0 Imports: 14 Imported by: 0

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Types

type Notifier

type Notifier interface {
	Start() error
	Stop() error
	// Channel gets a single item when something changes.
	Changed() chan int
}

A notifier provides a channel for when the Backend storage area has changed. Callers should then call their Storage engine with List().

func NewCloudFilesPoll

func NewCloudFilesPoll(conf *common.RackspaceCreds, bucketName string) (Notifier, error)

func NewFromConf

func NewFromConf(c *common.Conf) (Notifier, error)

func NewS3Poll

func NewS3Poll(conf *common.AwsCreds, bucketName string) (Notifier, error)

Polls the specified S3 bucket for a new .distsync file every 10 to 20 seconds.

$0.004 per 10,000 requests. 2.62974e6 seconds in a month. 175,316, 15 second periods. 17.5316, 10,000 requests bundles. 17.5316 * $0.0044 = $0.077 per month per watcher for request charges.

type Poller

type Poller interface {
	Poll() (bool, error)
}

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