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New ChecksumStorage and new PackagePool interfaces

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This commit is contained in:
Andrey Smirnov
2017-04-19 02:49:00 +03:00
parent 6994e35119
commit 5566111a7b
5 changed files with 238 additions and 14 deletions
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aptly/interfaces.go
+14 -1
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@@ -19,13 +19,18 @@ type ReadSeekerCloser interface {
//
// PackagePool stores all the package files, deduplicating them.
type PackagePool interface {
// Verify checks whether file exists in the pool and fills back checksum info
//
// if poolPath is empty, poolPath is generated automatically based on checksum info (if available)
// in any case, if function returns true, it also fills back checksums with complete information about the file in the pool
Verify(poolPath, basename string, checksums *utils.ChecksumInfo, checksumStorage ChecksumStorage) (bool, error)
// Import copies file into package pool
//
// - srcPath is full path to source file as it is now
// - basename is desired human-readable name (canonical filename)
// - checksums are used to calculate file placement
// - move indicates whether srcPath can be removed
Import(srcPath, basename string, checksums *utils.ChecksumInfo, move bool) (path string, err error)
Import(srcPath, basename string, checksums *utils.ChecksumInfo, move bool, storage ChecksumStorage) (path string, err error)
// LegacyPath returns legacy (pre 1.1) path to package file (relative to root)
LegacyPath(filename string, checksums *utils.ChecksumInfo) (string, error)
// Stat returns Unix stat(2) info
@@ -115,3 +120,11 @@ type Downloader interface {
// GetProgress returns Progress object
GetProgress() Progress
}
// ChecksumStorage is stores checksums in some (persistent) storage
type ChecksumStorage interface {
// Get finds checksums in DB by path
Get(path string) (*utils.ChecksumInfo, error)
// Update adds or updates information about checksum in DB
Update(path string, c *utils.ChecksumInfo) error
}