bsc/swarm/api/storage.go
Anton Evangelatov b3711af051 swarm: ctx propagation; bmt fixes; pss generic notification framework (#17150)
* cmd/swarm: minor cli flag text adjustments

* swarm/api/http: sticky footer for swarm landing page using flex

* swarm/api/http: sticky footer for error pages and fix for multiple choices

* cmd/swarm, swarm/storage, swarm: fix  mingw on windows test issues

* cmd/swarm: update description of swarm cmd

* swarm: added network ID test

* cmd/swarm: support for smoke tests on the production swarm cluster

* cmd/swarm/swarm-smoke: simplify cluster logic as per suggestion

* swarm: propagate ctx to internal apis (#754)

* swarm/metrics: collect disk measurements

* swarm/bmt: fix io.Writer interface

  * Write now tolerates arbitrary variable buffers
  * added variable buffer tests
  * Write loop and finalise optimisation
  * refactor / rename
  * add tests for empty input

* swarm/pss: (UPDATE) Generic notifications package (#744)

swarm/pss: Generic package for creating pss notification svcs

* swarm: Adding context to more functions

* swarm/api: change colour of landing page in templates

* swarm/api: change landing page to react to enter keypress
2018-07-09 14:11:49 +02:00

106 lines
3.1 KiB
Go

// 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 (
"context"
"path"
"github.com/ethereum/go-ethereum/swarm/storage"
)
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 (s *Storage) Put(ctx context.Context, content string, contentType string, toEncrypt bool) (storage.Address, func(context.Context) error, error) {
return s.api.Put(ctx, content, contentType, toEncrypt)
}
// 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 (s *Storage) Get(ctx context.Context, bzzpath string) (*Response, error) {
uri, err := Parse(path.Join("bzz:/", bzzpath))
if err != nil {
return nil, err
}
addr, err := s.api.Resolve(ctx, uri)
if err != nil {
return nil, err
}
reader, mimeType, status, _, err := s.api.Get(ctx, addr, 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 (s *Storage) Modify(ctx context.Context, rootHash, path, contentHash, contentType string) (newRootHash string, err error) {
uri, err := Parse("bzz:/" + rootHash)
if err != nil {
return "", err
}
addr, err := s.api.Resolve(ctx, uri)
if err != nil {
return "", err
}
addr, err = s.api.Modify(ctx, addr, path, contentHash, contentType)
if err != nil {
return "", err
}
return addr.Hex(), nil
}