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Index ¶
Constants ¶
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const ( // Default block size to use for all generated payloads. BlockSize = 4096 // Default data size limit to process in a single operation. ChunkSize = BlockSize * 256 )
Variables ¶
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var ( // ErrProcedureExists indicates that a given procedure type has // already been added to the Generator. ErrProcedureExists = errors.New("generator: procedure already exists") )
Functions ¶
func NewBzip2Writer ¶
func NewBzip2Writer(w io.Writer) (io.WriteCloser, error)
NewBzip2Writer wraps a writer, compressing all data written to it.
func NewInstallInfo ¶
func NewInstallInfo(r io.ReadSeeker) (*metadata.InstallInfo, error)
Types ¶
type Generator ¶
type Generator struct {
destructor.MultiDestructor
// contains filtered or unexported fields
}
Generator assembles an update payload from a number of sources. Each of its methods must only be called once, ending with Write.
type Procedure ¶
type Procedure struct {
metadata.InstallProcedure
io.ReadCloser
}
Procedure represent independent update within a payload.
func FullUpdate ¶
FullUpdate generates an update Procedure for the given file, embedding its entire contents in the payload so it does not depend any previous state.
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