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Import nbdkit-1.21.4

This commit is contained in:
Matthew Arnold 2020-09-28 20:00:52 +00:00
parent 345ee4e38b
commit d18a6d0297
1 changed files with 20 additions and 18 deletions
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38
nbdkit.go
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@ -103,42 +103,44 @@ const (
// The plugin interface.
type PluginInterface interface {
// Open is required for all plugins.
// Other methods are optional.
Load()
Unload()
DumpPlugin()
Config(key string, value string) error
ConfigComplete() error
GetReady() error
PreConnect(readonly bool) error
Open(readonly bool) (ConnectionInterface, error)
Open(readonly bool) (ConnectionInterface, error) // required
}
// The client connection interface.
type ConnectionInterface interface {
// GetSize and PRead are required for all plugins.
// Other methods are optional.
Close()
GetSize() (uint64, error)
CanWrite() (bool, error)
CanFlush() (bool, error)
GetSize() (uint64, error) // required
IsRotational() (bool, error)
CanTrim() (bool, error)
CanZero() (bool, error)
CanMultiConn() (bool, error)
PRead(buf []byte, offset uint64, flags uint32) error
// NB: This will NOT be called unless CanWrite returns true.
PRead(buf []byte, offset uint64, flags uint32) error // required
// NB: PWrite will NOT be called unless CanWrite returns true.
CanWrite() (bool, error)
PWrite(buf []byte, offset uint64, flags uint32) error
// NB: This will NOT be called unless CanFlush returns true.
// NB: Flush will NOT be called unless CanFlush returns true.
CanFlush() (bool, error)
Flush(flags uint32) error
// NB: This will NOT be called unless CanTrim returns true.
// NB: Trim will NOT be called unless CanTrim returns true.
CanTrim() (bool, error)
Trim(count uint32, offset uint64, flags uint32) error
// NB: This will NOT be called unless CanZero returns true.
// NB: Zero will NOT be called unless CanZero returns true.
CanZero() (bool, error)
Zero(count uint32, offset uint64, flags uint32) error
Close()
}
// Default implementations for plugin interface methods.