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reader.go
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/
reader.go
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package procio
import (
"io"
)
// MemoryReader provides capabilities to read and seek through
// another processes memory.
type MemoryReader interface {
io.ReadCloser
io.Seeker
}
// MemoryReaderFactory is a factory for MemoryReader.
type MemoryReaderFactory interface {
NewMemoryReader(proc Process, seg *MemorySegmentInfo) (MemoryReader, error)
}
// DefaultMemoryReaderFactory is the default MemoryReaderFactory.
type DefaultMemoryReaderFactory struct{}
// NewMemoryReader calls NewMemoryReader.
func (f *DefaultMemoryReaderFactory) NewMemoryReader(proc Process, seg *MemorySegmentInfo) (MemoryReader, error) {
return NewMemoryReader(proc, seg)
}
type memoryReaderImpl interface {
io.ReadCloser
io.Seeker
Process() Process
Segment() *MemorySegmentInfo
}
type memoryReader struct {
impl memoryReaderImpl
}
// NewMemoryReader creates a new MemoryReader to read the given
// segment of the given Process.
func NewMemoryReader(proc Process, seg *MemorySegmentInfo) (MemoryReader, error) {
impl, err := newMemoryReader(proc, seg)
return &memoryReader{
impl: impl,
}, err
}
func (rdr *memoryReader) Read(p []byte) (n int, err error) {
return rdr.impl.Read(p)
}
func (rdr *memoryReader) Close() error {
return rdr.impl.Close()
}
func (rdr *memoryReader) Seek(offset int64, whence int) (int64, error) {
return rdr.impl.Seek(offset, whence)
}