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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package api
import "path"
type Response struct {
MimeType string
Status int
Size int64
// Content []byte
Content string
}
// implements a service
//
// DEPRECATED: Use the HTTP API instead
type Storage struct {
api *Api
}
func NewStorage(api *Api) *Storage {
return &Storage{api}
}
// Put uploads the content to the swarm with a simple manifest speficying
// its content type
//
// DEPRECATED: Use the HTTP API instead
func (self *Storage) Put(content, contentType string) (string, error) {
key, err := self.api.Put(content, contentType)
if err != nil {
return "", err
}
return key.String(), err
}
// Get retrieves the content from bzzpath and reads the response in full
// It returns the Response object, which serialises containing the
// response body as the value of the Content field
// NOTE: if error is non-nil, sResponse may still have partial content
// the actual size of which is given in len(resp.Content), while the expected
// size is resp.Size
//
// DEPRECATED: Use the HTTP API instead
func (self *Storage) Get(bzzpath string) (*Response, error) {
uri, err := Parse(path.Join("bzz:/", bzzpath))
if err != nil {
return nil, err
}
key, err := self.api.Resolve(uri)
if err != nil {
return nil, err
}
reader, mimeType, status, err := self.api.Get(key, uri.Path)
if err != nil {
return nil, err
}
quitC := make(chan bool)
expsize, err := reader.Size(quitC)
if err != nil {
return nil, err
}
body := make([]byte, expsize)
size, err := reader.Read(body)
if int64(size) == expsize {
err = nil
}
return &Response{mimeType, status, expsize, string(body[:size])}, err
}
// Modify(rootHash, basePath, contentHash, contentType) takes th e manifest trie rooted in rootHash,
// and merge on to it. creating an entry w conentType (mime)
//
// DEPRECATED: Use the HTTP API instead
func (self *Storage) Modify(rootHash, path, contentHash, contentType string) (newRootHash string, err error) {
uri, err := Parse("bzz:/" + rootHash)
if err != nil {
return "", err
}
key, err := self.api.Resolve(uri)
if err != nil {
return "", err
}
key, err = self.api.Modify(key, path, contentHash, contentType)
if err != nil {
return "", err
}
return key.String(), nil
}
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