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Uses streams internally for ipc Get/Put Content

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This is done because libchan/spdystream does not currently support sending
serialzied objects of size larger than 16MB
See https://github.com/docker/libchan/issues/65
This commit is contained in:
Brian Bland 2014-10-24 18:33:23 -07:00
parent 3f95694180
commit 7c892deb1c
4 changed files with 37 additions and 26 deletions
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20
storagedriver/ipc/ipc.go
View file

@ -4,6 +4,7 @@ import (
"errors"
"fmt"
"io"
"io/ioutil"
"reflect"
"github.com/docker/libchan"
@ -23,8 +24,14 @@ func (r noWriteReadWriteCloser) Write(p []byte) (n int, err error) {
return 0, errors.New("Write unsupported")
}
func WrapReadCloser(readCloser io.ReadCloser) io.ReadWriteCloser {
return noWriteReadWriteCloser{readCloser}
func WrapReader(reader io.Reader) io.ReadWriteCloser {
if readWriteCloser, ok := reader.(io.ReadWriteCloser); ok {
return readWriteCloser
} else if readCloser, ok := reader.(io.ReadCloser); ok {
return noWriteReadWriteCloser{readCloser}
} else {
return noWriteReadWriteCloser{ioutil.NopCloser(reader)}
}
}
type responseError struct {
@ -46,15 +53,6 @@ func (err *responseError) Error() string {
return fmt.Sprintf("%s: %s", err.Type, err.Message)
}
type GetContentResponse struct {
Content []byte
Error *responseError
}
type PutContentResponse struct {
Error *responseError
}
type ReadStreamResponse struct {
Reader io.ReadWriteCloser
Error *responseError