57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package store
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import (
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"github.com/lbryio/lbry.go/v2/stream"
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)
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// CloudFrontRWStore combines a Cloudfront and an S3 store. Reads go to Cloudfront, writes go to S3.
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type CloudFrontRWStore struct {
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cf *CloudFrontROStore
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s3 *S3Store
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}
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// NewCloudFrontRWStore returns an initialized CloudFrontRWStore store pointer.
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// NOTE: It panics if either argument is nil.
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func NewCloudFrontRWStore(cf *CloudFrontROStore, s3 *S3Store) *CloudFrontRWStore {
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if cf == nil || s3 == nil {
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panic("both stores must be set")
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}
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return &CloudFrontRWStore{cf: cf, s3: s3}
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}
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const nameCloudFrontRW = "cloudfront_rw"
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// Name is the cache type name
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func (c *CloudFrontRWStore) Name() string { return nameCloudFrontRW }
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// Has checks if the hash is in the store.
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func (c *CloudFrontRWStore) Has(hash string) (bool, error) {
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return c.cf.Has(hash)
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}
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// Get gets the blob from Cloudfront.
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func (c *CloudFrontRWStore) Get(hash string) (stream.Blob, error) {
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return c.cf.Get(hash)
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}
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// Put stores the blob on S3
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func (c *CloudFrontRWStore) Put(hash string, blob stream.Blob) error {
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return c.s3.Put(hash, blob)
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}
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// PutSD stores the sd blob on S3
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func (c *CloudFrontRWStore) PutSD(hash string, blob stream.Blob) error {
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return c.s3.PutSD(hash, blob)
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}
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// Delete deletes the blob from S3
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func (c *CloudFrontRWStore) Delete(hash string) error {
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return c.s3.Delete(hash)
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}
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// Shutdown shuts down the store gracefully
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func (c *CloudFrontRWStore) Shutdown() {
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c.s3.Shutdown()
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c.cf.Shutdown()
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return
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}
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