mirror of https://github.com/ethereum/go-ethereum
Péter Szilágyi
5 years ago
committed by
GitHub
commit
494f5d448a
File diff suppressed because it is too large
Load Diff
@ -1,85 +0,0 @@ |
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// Copyright 2016 The go-ethereum Authors
|
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
|
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// it under the terms of the GNU Lesser General Public License as published by
|
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// the Free Software Foundation, either version 3 of the License, or
|
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// (at your option) any later version.
|
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//
|
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// The go-ethereum library is distributed in the hope that it will be useful,
|
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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// GNU Lesser General Public License for more details.
|
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//
|
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// You should have received a copy of the GNU Lesser General Public License
|
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api |
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import ( |
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"context" |
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"path" |
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"github.com/ethereum/go-ethereum/swarm/storage" |
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) |
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type Response struct { |
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MimeType string |
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Status int |
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Size int64 |
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// Content []byte
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Content string |
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} |
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// implements a service
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//
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// DEPRECATED: Use the HTTP API instead
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type Storage struct { |
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api *API |
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} |
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func NewStorage(api *API) *Storage { |
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return &Storage{api} |
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} |
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// Put uploads the content to the swarm with a simple manifest speficying
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// its content type
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//
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// DEPRECATED: Use the HTTP API instead
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func (s *Storage) Put(ctx context.Context, content string, contentType string, toEncrypt bool) (storage.Address, func(context.Context) error, error) { |
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return s.api.Put(ctx, content, contentType, toEncrypt) |
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} |
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// Get retrieves the content from bzzpath and reads the response in full
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// It returns the Response object, which serialises containing the
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// response body as the value of the Content field
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// NOTE: if error is non-nil, sResponse may still have partial content
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// the actual size of which is given in len(resp.Content), while the expected
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// size is resp.Size
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//
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// DEPRECATED: Use the HTTP API instead
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func (s *Storage) Get(ctx context.Context, bzzpath string) (*Response, error) { |
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uri, err := Parse(path.Join("bzz:/", bzzpath)) |
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if err != nil { |
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return nil, err |
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} |
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addr, err := s.api.Resolve(ctx, uri.Addr) |
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if err != nil { |
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return nil, err |
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} |
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reader, mimeType, status, _, err := s.api.Get(ctx, nil, addr, uri.Path) |
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if err != nil { |
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return nil, err |
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} |
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quitC := make(chan bool) |
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expsize, err := reader.Size(ctx, quitC) |
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if err != nil { |
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return nil, err |
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} |
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body := make([]byte, expsize) |
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size, err := reader.Read(body) |
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if int64(size) == expsize { |
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err = nil |
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} |
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return &Response{mimeType, status, expsize, string(body[:size])}, err |
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} |
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@ -1,56 +0,0 @@ |
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// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
|
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// it under the terms of the GNU Lesser General Public License as published by
|
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// the Free Software Foundation, either version 3 of the License, or
|
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// (at your option) any later version.
|
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//
|
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// The go-ethereum library is distributed in the hope that it will be useful,
|
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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// GNU Lesser General Public License for more details.
|
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//
|
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// You should have received a copy of the GNU Lesser General Public License
|
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api |
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import ( |
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"context" |
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"testing" |
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) |
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func testStorage(t *testing.T, f func(*Storage, bool)) { |
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testAPI(t, func(api *API, toEncrypt bool) { |
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f(NewStorage(api), toEncrypt) |
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}) |
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} |
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func TestStoragePutGet(t *testing.T) { |
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testStorage(t, func(api *Storage, toEncrypt bool) { |
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content := "hello" |
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exp := expResponse(content, "text/plain", 0) |
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// exp := expResponse([]byte(content), "text/plain", 0)
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ctx := context.TODO() |
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bzzkey, wait, err := api.Put(ctx, content, exp.MimeType, toEncrypt) |
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if err != nil { |
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t.Fatalf("unexpected error: %v", err) |
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} |
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err = wait(ctx) |
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if err != nil { |
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t.Fatalf("unexpected error: %v", err) |
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} |
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bzzhash := bzzkey.Hex() |
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// to check put against the API#Get
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resp0 := testGet(t, api.api, bzzhash, "") |
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checkResponse(t, resp0, exp) |
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// check storage#Get
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resp, err := api.Get(context.TODO(), bzzhash) |
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if err != nil { |
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t.Fatalf("unexpected error: %v", err) |
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} |
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checkResponse(t, &testResponse{nil, resp}, exp) |
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}) |
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} |
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@ -0,0 +1,218 @@ |
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// Copyright 2019 The go-ethereum Authors
|
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// This file is part of the go-ethereum library.
|
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//
|
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// 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
|
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// (at your option) any later version.
|
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//
|
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// The go-ethereum library is distributed in the hope that it will be useful,
|
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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// GNU Lesser General Public License for more details.
|
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//
|
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// You should have received a copy of the GNU Lesser General Public License
|
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package chunk |
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import ( |
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"encoding/binary" |
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"errors" |
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"sync/atomic" |
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"time" |
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) |
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var ( |
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errExists = errors.New("already exists") |
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errNA = errors.New("not available yet") |
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errNoETA = errors.New("unable to calculate ETA") |
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errTagNotFound = errors.New("tag not found") |
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) |
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// State is the enum type for chunk states
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type State = uint32 |
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const ( |
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StateSplit State = iota // chunk has been processed by filehasher/swarm safe call
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StateStored // chunk stored locally
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StateSeen // chunk previously seen
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StateSent // chunk sent to neighbourhood
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StateSynced // proof is received; chunk removed from sync db; chunk is available everywhere
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) |
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// Tag represents info on the status of new chunks
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type Tag struct { |
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Uid uint32 // a unique identifier for this tag
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Name string // a name tag for this tag
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Address Address // the associated swarm hash for this tag
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total int64 // total chunks belonging to a tag
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split int64 // number of chunks already processed by splitter for hashing
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seen int64 // number of chunks already seen
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stored int64 // number of chunks already stored locally
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sent int64 // number of chunks sent for push syncing
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synced int64 // number of chunks synced with proof
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startedAt time.Time // tag started to calculate ETA
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} |
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// New creates a new tag, stores it by the name and returns it
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// it returns an error if the tag with this name already exists
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func NewTag(uid uint32, s string, total int64) *Tag { |
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t := &Tag{ |
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Uid: uid, |
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Name: s, |
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startedAt: time.Now(), |
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total: total, |
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} |
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return t |
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} |
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// Inc increments the count for a state
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func (t *Tag) Inc(state State) { |
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var v *int64 |
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switch state { |
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case StateSplit: |
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v = &t.split |
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case StateStored: |
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v = &t.stored |
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case StateSeen: |
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v = &t.seen |
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case StateSent: |
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v = &t.sent |
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case StateSynced: |
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v = &t.synced |
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} |
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atomic.AddInt64(v, 1) |
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} |
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// Get returns the count for a state on a tag
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func (t *Tag) Get(state State) int64 { |
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var v *int64 |
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switch state { |
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case StateSplit: |
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v = &t.split |
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case StateStored: |
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v = &t.stored |
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case StateSeen: |
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v = &t.seen |
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case StateSent: |
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v = &t.sent |
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case StateSynced: |
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v = &t.synced |
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} |
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return atomic.LoadInt64(v) |
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} |
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|
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// GetTotal returns the total count
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func (t *Tag) Total() int64 { |
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return atomic.LoadInt64(&t.total) |
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} |
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// DoneSplit sets total count to SPLIT count and sets the associated swarm hash for this tag
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// is meant to be called when splitter finishes for input streams of unknown size
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func (t *Tag) DoneSplit(address Address) int64 { |
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total := atomic.LoadInt64(&t.split) |
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atomic.StoreInt64(&t.total, total) |
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t.Address = address |
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return total |
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} |
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// Status returns the value of state and the total count
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func (t *Tag) Status(state State) (int64, int64, error) { |
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count, seen, total := t.Get(state), atomic.LoadInt64(&t.seen), atomic.LoadInt64(&t.total) |
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if total == 0 { |
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return count, total, errNA |
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} |
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switch state { |
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case StateSplit, StateStored, StateSeen: |
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return count, total, nil |
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case StateSent, StateSynced: |
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stored := atomic.LoadInt64(&t.stored) |
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if stored < total { |
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return count, total - seen, errNA |
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} |
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return count, total - seen, nil |
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} |
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return count, total, errNA |
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} |
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// ETA returns the time of completion estimated based on time passed and rate of completion
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func (t *Tag) ETA(state State) (time.Time, error) { |
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cnt, total, err := t.Status(state) |
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if err != nil { |
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return time.Time{}, err |
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} |
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if cnt == 0 || total == 0 { |
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return time.Time{}, errNoETA |
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} |
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diff := time.Since(t.startedAt) |
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dur := time.Duration(total) * diff / time.Duration(cnt) |
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return t.startedAt.Add(dur), nil |
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} |
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// MarshalBinary marshals the tag into a byte slice
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func (tag *Tag) MarshalBinary() (data []byte, err error) { |
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buffer := make([]byte, 4) |
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binary.BigEndian.PutUint32(buffer, tag.Uid) |
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encodeInt64Append(&buffer, tag.total) |
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encodeInt64Append(&buffer, tag.split) |
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encodeInt64Append(&buffer, tag.seen) |
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encodeInt64Append(&buffer, tag.stored) |
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encodeInt64Append(&buffer, tag.sent) |
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encodeInt64Append(&buffer, tag.synced) |
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intBuffer := make([]byte, 8) |
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n := binary.PutVarint(intBuffer, tag.startedAt.Unix()) |
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buffer = append(buffer, intBuffer[:n]...) |
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n = binary.PutVarint(intBuffer, int64(len(tag.Address))) |
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buffer = append(buffer, intBuffer[:n]...) |
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buffer = append(buffer, tag.Address[:]...) |
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buffer = append(buffer, []byte(tag.Name)...) |
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return buffer, nil |
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} |
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// UnmarshalBinary unmarshals a byte slice into a tag
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func (tag *Tag) UnmarshalBinary(buffer []byte) error { |
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if len(buffer) < 13 { |
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return errors.New("buffer too short") |
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} |
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tag.Uid = binary.BigEndian.Uint32(buffer) |
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buffer = buffer[4:] |
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|
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tag.total = decodeInt64Splice(&buffer) |
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tag.split = decodeInt64Splice(&buffer) |
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tag.seen = decodeInt64Splice(&buffer) |
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tag.stored = decodeInt64Splice(&buffer) |
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tag.sent = decodeInt64Splice(&buffer) |
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tag.synced = decodeInt64Splice(&buffer) |
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|
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t, n := binary.Varint(buffer) |
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tag.startedAt = time.Unix(t, 0) |
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buffer = buffer[n:] |
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|
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t, n = binary.Varint(buffer) |
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buffer = buffer[n:] |
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if t > 0 { |
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tag.Address = buffer[:t] |
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} |
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tag.Name = string(buffer[t:]) |
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return nil |
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} |
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|
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func encodeInt64Append(buffer *[]byte, val int64) { |
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intBuffer := make([]byte, 8) |
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n := binary.PutVarint(intBuffer, val) |
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*buffer = append(*buffer, intBuffer[:n]...) |
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} |
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|
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func decodeInt64Splice(buffer *[]byte) int64 { |
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val, n := binary.Varint((*buffer)) |
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*buffer = (*buffer)[n:] |
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return val |
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} |
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@ -0,0 +1,273 @@ |
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// Copyright 2019 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/>.
|
||||
|
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package chunk |
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|
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import ( |
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"bytes" |
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"sync" |
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"testing" |
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"time" |
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) |
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|
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var ( |
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allStates = []State{StateSplit, StateStored, StateSeen, StateSent, StateSynced} |
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) |
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|
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// TestTagSingleIncrements tests if Inc increments the tag state value
|
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func TestTagSingleIncrements(t *testing.T) { |
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tg := &Tag{total: 10} |
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|
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tc := []struct { |
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state uint32 |
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inc int |
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expcount int64 |
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exptotal int64 |
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}{ |
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{state: StateSplit, inc: 10, expcount: 10, exptotal: 10}, |
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{state: StateStored, inc: 9, expcount: 9, exptotal: 9}, |
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{state: StateSeen, inc: 1, expcount: 1, exptotal: 10}, |
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{state: StateSent, inc: 9, expcount: 9, exptotal: 9}, |
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{state: StateSynced, inc: 9, expcount: 9, exptotal: 9}, |
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} |
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|
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for _, tc := range tc { |
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for i := 0; i < tc.inc; i++ { |
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tg.Inc(tc.state) |
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} |
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} |
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|
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for _, tc := range tc { |
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if tg.Get(tc.state) != tc.expcount { |
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t.Fatalf("not incremented") |
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} |
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} |
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} |
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|
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// TestTagStatus is a unit test to cover Tag.Status method functionality
|
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func TestTagStatus(t *testing.T) { |
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tg := &Tag{total: 10} |
||||
tg.Inc(StateSeen) |
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tg.Inc(StateSent) |
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tg.Inc(StateSynced) |
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|
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for i := 0; i < 10; i++ { |
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tg.Inc(StateSplit) |
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tg.Inc(StateStored) |
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} |
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for _, v := range []struct { |
||||
state State |
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expVal int64 |
||||
expTotal int64 |
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}{ |
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{state: StateStored, expVal: 10, expTotal: 10}, |
||||
{state: StateSplit, expVal: 10, expTotal: 10}, |
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{state: StateSeen, expVal: 1, expTotal: 10}, |
||||
{state: StateSent, expVal: 1, expTotal: 9}, |
||||
{state: StateSynced, expVal: 1, expTotal: 9}, |
||||
} { |
||||
val, total, err := tg.Status(v.state) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
if val != v.expVal { |
||||
t.Fatalf("should be %d, got %d", v.expVal, val) |
||||
} |
||||
if total != v.expTotal { |
||||
t.Fatalf("expected total to be %d, got %d", v.expTotal, total) |
||||
} |
||||
} |
||||
} |
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|
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// tests ETA is precise
|
||||
func TestTagETA(t *testing.T) { |
||||
now := time.Now() |
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maxDiff := 100000 // 100 microsecond
|
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tg := &Tag{total: 10, startedAt: now} |
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time.Sleep(100 * time.Millisecond) |
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tg.Inc(StateSplit) |
||||
eta, err := tg.ETA(StateSplit) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
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diff := time.Until(eta) - 9*time.Since(now) |
||||
if int(diff) > maxDiff { |
||||
t.Fatalf("ETA is not precise, got diff %v > .1ms", diff) |
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} |
||||
} |
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|
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// TestTagConcurrentIncrements tests Inc calls concurrently
|
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func TestTagConcurrentIncrements(t *testing.T) { |
||||
tg := &Tag{} |
||||
n := 1000 |
||||
wg := sync.WaitGroup{} |
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wg.Add(5 * n) |
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for _, f := range allStates { |
||||
go func(f State) { |
||||
for j := 0; j < n; j++ { |
||||
go func() { |
||||
tg.Inc(f) |
||||
wg.Done() |
||||
}() |
||||
} |
||||
}(f) |
||||
} |
||||
wg.Wait() |
||||
for _, f := range allStates { |
||||
v := tg.Get(f) |
||||
if v != int64(n) { |
||||
t.Fatalf("expected state %v to be %v, got %v", f, n, v) |
||||
} |
||||
} |
||||
} |
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|
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// TestTagsMultipleConcurrentIncrements tests Inc calls concurrently
|
||||
func TestTagsMultipleConcurrentIncrementsSyncMap(t *testing.T) { |
||||
ts := NewTags() |
||||
n := 100 |
||||
wg := sync.WaitGroup{} |
||||
wg.Add(10 * 5 * n) |
||||
for i := 0; i < 10; i++ { |
||||
s := string([]byte{uint8(i)}) |
||||
tag, err := ts.New(s, int64(n)) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
for _, f := range allStates { |
||||
go func(tag *Tag, f State) { |
||||
for j := 0; j < n; j++ { |
||||
go func() { |
||||
tag.Inc(f) |
||||
wg.Done() |
||||
}() |
||||
} |
||||
}(tag, f) |
||||
} |
||||
} |
||||
wg.Wait() |
||||
i := 0 |
||||
ts.Range(func(k, v interface{}) bool { |
||||
i++ |
||||
uid := k.(uint32) |
||||
for _, f := range allStates { |
||||
tag, err := ts.Get(uid) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
stateVal := tag.Get(f) |
||||
if stateVal != int64(n) { |
||||
t.Fatalf("expected tag %v state %v to be %v, got %v", uid, f, n, v) |
||||
} |
||||
} |
||||
return true |
||||
|
||||
}) |
||||
if i != 10 { |
||||
t.Fatal("not enough tagz") |
||||
} |
||||
} |
||||
|
||||
// TestMarshallingWithAddr tests that marshalling and unmarshalling is done correctly when the
|
||||
// tag Address (byte slice) contains some arbitrary value
|
||||
func TestMarshallingWithAddr(t *testing.T) { |
||||
tg := NewTag(111, "test/tag", 10) |
||||
tg.Address = []byte{0, 1, 2, 3, 4, 5, 6} |
||||
|
||||
for _, f := range allStates { |
||||
tg.Inc(f) |
||||
} |
||||
|
||||
b, err := tg.MarshalBinary() |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
unmarshalledTag := &Tag{} |
||||
err = unmarshalledTag.UnmarshalBinary(b) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if unmarshalledTag.Uid != tg.Uid { |
||||
t.Fatalf("tag uids not equal. want %d got %d", tg.Uid, unmarshalledTag.Uid) |
||||
} |
||||
|
||||
if unmarshalledTag.Name != tg.Name { |
||||
t.Fatalf("tag names not equal. want %s got %s", tg.Name, unmarshalledTag.Name) |
||||
} |
||||
|
||||
for _, state := range allStates { |
||||
uv, tv := unmarshalledTag.Get(state), tg.Get(state) |
||||
if uv != tv { |
||||
t.Fatalf("state %d inconsistent. expected %d to equal %d", state, uv, tv) |
||||
} |
||||
} |
||||
|
||||
if unmarshalledTag.Total() != tg.Total() { |
||||
t.Fatalf("tag names not equal. want %d got %d", tg.Total(), unmarshalledTag.Total()) |
||||
} |
||||
|
||||
if len(unmarshalledTag.Address) != len(tg.Address) { |
||||
t.Fatalf("tag addresses length mismatch, want %d, got %d", len(tg.Address), len(unmarshalledTag.Address)) |
||||
} |
||||
|
||||
if !bytes.Equal(unmarshalledTag.Address, tg.Address) { |
||||
t.Fatalf("expected tag address to be %v got %v", unmarshalledTag.Address, tg.Address) |
||||
} |
||||
} |
||||
|
||||
// TestMarshallingNoAddress tests that marshalling and unmarshalling is done correctly
|
||||
// when the tag Address (byte slice) is empty in this case
|
||||
func TestMarshallingNoAddr(t *testing.T) { |
||||
tg := NewTag(111, "test/tag", 10) |
||||
for _, f := range allStates { |
||||
tg.Inc(f) |
||||
} |
||||
|
||||
b, err := tg.MarshalBinary() |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
unmarshalledTag := &Tag{} |
||||
err = unmarshalledTag.UnmarshalBinary(b) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if unmarshalledTag.Uid != tg.Uid { |
||||
t.Fatalf("tag uids not equal. want %d got %d", tg.Uid, unmarshalledTag.Uid) |
||||
} |
||||
|
||||
if unmarshalledTag.Name != tg.Name { |
||||
t.Fatalf("tag names not equal. want %s got %s", tg.Name, unmarshalledTag.Name) |
||||
} |
||||
|
||||
for _, state := range allStates { |
||||
uv, tv := unmarshalledTag.Get(state), tg.Get(state) |
||||
if uv != tv { |
||||
t.Fatalf("state %d inconsistent. expected %d to equal %d", state, uv, tv) |
||||
} |
||||
} |
||||
|
||||
if unmarshalledTag.Total() != tg.Total() { |
||||
t.Fatalf("tag names not equal. want %d got %d", tg.Total(), unmarshalledTag.Total()) |
||||
} |
||||
|
||||
if len(unmarshalledTag.Address) != len(tg.Address) { |
||||
t.Fatalf("expected tag addresses to be equal length") |
||||
} |
||||
} |
||||
@ -0,0 +1,96 @@ |
||||
// Copyright 2019 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 chunk |
||||
|
||||
import ( |
||||
"context" |
||||
"errors" |
||||
"math/rand" |
||||
"sync" |
||||
"time" |
||||
|
||||
"github.com/ethereum/go-ethereum/swarm/sctx" |
||||
) |
||||
|
||||
// Tags hold tag information indexed by a unique random uint32
|
||||
type Tags struct { |
||||
tags *sync.Map |
||||
rng *rand.Rand |
||||
} |
||||
|
||||
// NewTags creates a tags object
|
||||
func NewTags() *Tags { |
||||
return &Tags{ |
||||
tags: &sync.Map{}, |
||||
rng: rand.New(rand.NewSource(time.Now().Unix())), |
||||
} |
||||
} |
||||
|
||||
// New creates a new tag, stores it by the name and returns it
|
||||
// it returns an error if the tag with this name already exists
|
||||
func (ts *Tags) New(s string, total int64) (*Tag, error) { |
||||
t := &Tag{ |
||||
Uid: ts.rng.Uint32(), |
||||
Name: s, |
||||
startedAt: time.Now(), |
||||
total: total, |
||||
} |
||||
if _, loaded := ts.tags.LoadOrStore(t.Uid, t); loaded { |
||||
return nil, errExists |
||||
} |
||||
return t, nil |
||||
} |
||||
|
||||
// All returns all existing tags in Tags' sync.Map
|
||||
// Note that tags are returned in no particular order
|
||||
func (ts *Tags) All() (t []*Tag) { |
||||
ts.tags.Range(func(k, v interface{}) bool { |
||||
t = append(t, v.(*Tag)) |
||||
|
||||
return true |
||||
}) |
||||
|
||||
return t |
||||
} |
||||
|
||||
// Get returns the undelying tag for the uid or an error if not found
|
||||
func (ts *Tags) Get(uid uint32) (*Tag, error) { |
||||
t, ok := ts.tags.Load(uid) |
||||
if !ok { |
||||
return nil, errors.New("tag not found") |
||||
} |
||||
return t.(*Tag), nil |
||||
} |
||||
|
||||
// GetFromContext gets a tag from the tag uid stored in the context
|
||||
func (ts *Tags) GetFromContext(ctx context.Context) (*Tag, error) { |
||||
uid := sctx.GetTag(ctx) |
||||
t, ok := ts.tags.Load(uid) |
||||
if !ok { |
||||
return nil, errTagNotFound |
||||
} |
||||
return t.(*Tag), nil |
||||
} |
||||
|
||||
// Range exposes sync.Map's iterator
|
||||
func (ts *Tags) Range(fn func(k, v interface{}) bool) { |
||||
ts.tags.Range(fn) |
||||
} |
||||
|
||||
func (ts *Tags) Delete(k interface{}) { |
||||
ts.tags.Delete(k) |
||||
} |
||||
@ -0,0 +1,48 @@ |
||||
// Copyright 2019 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 chunk |
||||
|
||||
import "testing" |
||||
|
||||
func TestAll(t *testing.T) { |
||||
ts := NewTags() |
||||
|
||||
ts.New("1", 1) |
||||
ts.New("2", 1) |
||||
|
||||
all := ts.All() |
||||
|
||||
if len(all) != 2 { |
||||
t.Fatalf("expected length to be 2 got %d", len(all)) |
||||
} |
||||
|
||||
if n := all[0].Total(); n != 1 { |
||||
t.Fatalf("expected tag 0 total to be 1 got %d", n) |
||||
} |
||||
|
||||
if n := all[1].Total(); n != 1 { |
||||
t.Fatalf("expected tag 1 total to be 1 got %d", n) |
||||
} |
||||
|
||||
ts.New("3", 1) |
||||
all = ts.All() |
||||
|
||||
if len(all) != 3 { |
||||
t.Fatalf("expected length to be 3 got %d", len(all)) |
||||
} |
||||
|
||||
} |
||||
@ -0,0 +1,309 @@ |
||||
// Copyright 2019 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 stream |
||||
|
||||
import ( |
||||
"context" |
||||
"fmt" |
||||
"reflect" |
||||
"sort" |
||||
"sync" |
||||
"testing" |
||||
"time" |
||||
|
||||
"github.com/ethereum/go-ethereum/node" |
||||
"github.com/ethereum/go-ethereum/p2p/enode" |
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters" |
||||
"github.com/ethereum/go-ethereum/swarm/chunk" |
||||
"github.com/ethereum/go-ethereum/swarm/network" |
||||
"github.com/ethereum/go-ethereum/swarm/network/simulation" |
||||
"github.com/ethereum/go-ethereum/swarm/state" |
||||
) |
||||
|
||||
// TestSyncSubscriptionsDiff validates the output of syncSubscriptionsDiff
|
||||
// function for various arguments.
|
||||
func TestSyncSubscriptionsDiff(t *testing.T) { |
||||
max := network.NewKadParams().MaxProxDisplay |
||||
for _, tc := range []struct { |
||||
po, prevDepth, newDepth int |
||||
subBins, quitBins []int |
||||
}{ |
||||
{ |
||||
po: 0, prevDepth: -1, newDepth: 0, |
||||
subBins: []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 1, prevDepth: -1, newDepth: 0, |
||||
subBins: []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 2, prevDepth: -1, newDepth: 0, |
||||
subBins: []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 0, prevDepth: -1, newDepth: 1, |
||||
subBins: []int{0}, |
||||
}, |
||||
{ |
||||
po: 1, prevDepth: -1, newDepth: 1, |
||||
subBins: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 2, prevDepth: -1, newDepth: 2, |
||||
subBins: []int{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 3, prevDepth: -1, newDepth: 2, |
||||
subBins: []int{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 1, prevDepth: -1, newDepth: 2, |
||||
subBins: []int{1}, |
||||
}, |
||||
{ |
||||
po: 0, prevDepth: 0, newDepth: 0, // 0-16 -> 0-16
|
||||
}, |
||||
{ |
||||
po: 1, prevDepth: 0, newDepth: 0, // 0-16 -> 0-16
|
||||
}, |
||||
{ |
||||
po: 0, prevDepth: 0, newDepth: 1, // 0-16 -> 0
|
||||
quitBins: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 0, prevDepth: 0, newDepth: 2, // 0-16 -> 0
|
||||
quitBins: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 1, prevDepth: 0, newDepth: 1, // 0-16 -> 1-16
|
||||
quitBins: []int{0}, |
||||
}, |
||||
{ |
||||
po: 1, prevDepth: 1, newDepth: 0, // 1-16 -> 0-16
|
||||
subBins: []int{0}, |
||||
}, |
||||
{ |
||||
po: 4, prevDepth: 0, newDepth: 1, // 0-16 -> 1-16
|
||||
quitBins: []int{0}, |
||||
}, |
||||
{ |
||||
po: 4, prevDepth: 0, newDepth: 4, // 0-16 -> 4-16
|
||||
quitBins: []int{0, 1, 2, 3}, |
||||
}, |
||||
{ |
||||
po: 4, prevDepth: 0, newDepth: 5, // 0-16 -> 4
|
||||
quitBins: []int{0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 4, prevDepth: 5, newDepth: 0, // 4 -> 0-16
|
||||
subBins: []int{0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, |
||||
}, |
||||
{ |
||||
po: 4, prevDepth: 5, newDepth: 6, // 4 -> 4
|
||||
}, |
||||
} { |
||||
subBins, quitBins := syncSubscriptionsDiff(tc.po, tc.prevDepth, tc.newDepth, max) |
||||
if fmt.Sprint(subBins) != fmt.Sprint(tc.subBins) { |
||||
t.Errorf("po: %v, prevDepth: %v, newDepth: %v: got subBins %v, want %v", tc.po, tc.prevDepth, tc.newDepth, subBins, tc.subBins) |
||||
} |
||||
if fmt.Sprint(quitBins) != fmt.Sprint(tc.quitBins) { |
||||
t.Errorf("po: %v, prevDepth: %v, newDepth: %v: got quitBins %v, want %v", tc.po, tc.prevDepth, tc.newDepth, quitBins, tc.quitBins) |
||||
} |
||||
} |
||||
} |
||||
|
||||
// TestUpdateSyncingSubscriptions validates that syncing subscriptions are correctly
|
||||
// made on initial node connections and that subscriptions are correctly changed
|
||||
// when kademlia neighbourhood depth is changed by connecting more nodes.
|
||||
func TestUpdateSyncingSubscriptions(t *testing.T) { |
||||
sim := simulation.New(map[string]simulation.ServiceFunc{ |
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) { |
||||
addr, netStore, delivery, clean, err := newNetStoreAndDelivery(ctx, bucket) |
||||
if err != nil { |
||||
return nil, nil, err |
||||
} |
||||
r := NewRegistry(addr.ID(), delivery, netStore, state.NewInmemoryStore(), &RegistryOptions{ |
||||
SyncUpdateDelay: 100 * time.Millisecond, |
||||
Syncing: SyncingAutoSubscribe, |
||||
}, nil) |
||||
cleanup = func() { |
||||
r.Close() |
||||
clean() |
||||
} |
||||
bucket.Store("bzz-address", addr) |
||||
return r, cleanup, nil |
||||
}, |
||||
}) |
||||
defer sim.Close() |
||||
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Minute) |
||||
defer cancel() |
||||
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) (err error) { |
||||
// initial nodes, first one as pivot center of the start
|
||||
ids, err := sim.AddNodesAndConnectStar(10) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
|
||||
// pivot values
|
||||
pivotRegistryID := ids[0] |
||||
pivotRegistry := sim.Service("streamer", pivotRegistryID).(*Registry) |
||||
pivotKademlia := pivotRegistry.delivery.kad |
||||
// nodes proximities from the pivot node
|
||||
nodeProximities := make(map[string]int) |
||||
for _, id := range ids[1:] { |
||||
bzzAddr, ok := sim.NodeItem(id, "bzz-address") |
||||
if !ok { |
||||
t.Fatal("no bzz address for node") |
||||
} |
||||
nodeProximities[id.String()] = chunk.Proximity(pivotKademlia.BaseAddr(), bzzAddr.(*network.BzzAddr).Over()) |
||||
} |
||||
// wait until sync subscriptions are done for all nodes
|
||||
waitForSubscriptions(t, pivotRegistry, ids[1:]...) |
||||
|
||||
// check initial sync streams
|
||||
err = checkSyncStreamsWithRetry(pivotRegistry, nodeProximities) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
|
||||
// add more nodes until the depth is changed
|
||||
prevDepth := pivotKademlia.NeighbourhoodDepth() |
||||
var noDepthChangeChecked bool // true it there was a check when no depth is changed
|
||||
for { |
||||
ids, err := sim.AddNodes(5) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
// add new nodes to sync subscriptions check
|
||||
for _, id := range ids { |
||||
bzzAddr, ok := sim.NodeItem(id, "bzz-address") |
||||
if !ok { |
||||
t.Fatal("no bzz address for node") |
||||
} |
||||
nodeProximities[id.String()] = chunk.Proximity(pivotKademlia.BaseAddr(), bzzAddr.(*network.BzzAddr).Over()) |
||||
} |
||||
err = sim.Net.ConnectNodesStar(ids, pivotRegistryID) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
waitForSubscriptions(t, pivotRegistry, ids...) |
||||
|
||||
newDepth := pivotKademlia.NeighbourhoodDepth() |
||||
// depth is not changed, check if streams are still correct
|
||||
if newDepth == prevDepth { |
||||
err = checkSyncStreamsWithRetry(pivotRegistry, nodeProximities) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
noDepthChangeChecked = true |
||||
} |
||||
// do the final check when depth is changed and
|
||||
// there has been at least one check
|
||||
// for the case when depth is not changed
|
||||
if newDepth != prevDepth && noDepthChangeChecked { |
||||
// check sync streams for changed depth
|
||||
return checkSyncStreamsWithRetry(pivotRegistry, nodeProximities) |
||||
} |
||||
prevDepth = newDepth |
||||
} |
||||
}) |
||||
if result.Error != nil { |
||||
t.Fatal(result.Error) |
||||
} |
||||
} |
||||
|
||||
// waitForSubscriptions is a test helper function that blocks until
|
||||
// stream server subscriptions are established on the provided registry
|
||||
// to the nodes with provided IDs.
|
||||
func waitForSubscriptions(t *testing.T, r *Registry, ids ...enode.ID) { |
||||
t.Helper() |
||||
|
||||
for retries := 0; retries < 100; retries++ { |
||||
subs := r.api.GetPeerServerSubscriptions() |
||||
if allSubscribed(subs, ids) { |
||||
return |
||||
} |
||||
time.Sleep(50 * time.Millisecond) |
||||
} |
||||
t.Fatalf("missing subscriptions") |
||||
} |
||||
|
||||
// allSubscribed returns true if nodes with ids have subscriptions
|
||||
// in provided subs map.
|
||||
func allSubscribed(subs map[string][]string, ids []enode.ID) bool { |
||||
for _, id := range ids { |
||||
if s, ok := subs[id.String()]; !ok || len(s) == 0 { |
||||
return false |
||||
} |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// checkSyncStreamsWithRetry is calling checkSyncStreams with retries.
|
||||
func checkSyncStreamsWithRetry(r *Registry, nodeProximities map[string]int) (err error) { |
||||
for retries := 0; retries < 5; retries++ { |
||||
err = checkSyncStreams(r, nodeProximities) |
||||
if err == nil { |
||||
return nil |
||||
} |
||||
time.Sleep(500 * time.Millisecond) |
||||
} |
||||
return err |
||||
} |
||||
|
||||
// checkSyncStreams validates that registry contains expected sync
|
||||
// subscriptions to nodes with proximities in a map nodeProximities.
|
||||
func checkSyncStreams(r *Registry, nodeProximities map[string]int) error { |
||||
depth := r.delivery.kad.NeighbourhoodDepth() |
||||
maxPO := r.delivery.kad.MaxProxDisplay |
||||
for id, po := range nodeProximities { |
||||
wantStreams := syncStreams(po, depth, maxPO) |
||||
gotStreams := nodeStreams(r, id) |
||||
|
||||
if r.getPeer(enode.HexID(id)) == nil { |
||||
// ignore removed peer
|
||||
continue |
||||
} |
||||
|
||||
if !reflect.DeepEqual(gotStreams, wantStreams) { |
||||
return fmt.Errorf("node %s got streams %v, want %v", id, gotStreams, wantStreams) |
||||
} |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
// syncStreams returns expected sync streams that need to be
|
||||
// established between a node with kademlia neighbourhood depth
|
||||
// and a node with proximity order po.
|
||||
func syncStreams(po, depth, maxPO int) (streams []string) { |
||||
start, end := syncBins(po, depth, maxPO) |
||||
for bin := start; bin < end; bin++ { |
||||
streams = append(streams, NewStream("SYNC", FormatSyncBinKey(uint8(bin)), false).String()) |
||||
streams = append(streams, NewStream("SYNC", FormatSyncBinKey(uint8(bin)), true).String()) |
||||
} |
||||
return streams |
||||
} |
||||
|
||||
// nodeStreams returns stream server subscriptions on a registry
|
||||
// to the peer with provided id.
|
||||
func nodeStreams(r *Registry, id string) []string { |
||||
streams := r.api.GetPeerServerSubscriptions()[id] |
||||
sort.Strings(streams) |
||||
return streams |
||||
} |
||||
@ -1,82 +0,0 @@ |
||||
// 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 storage |
||||
|
||||
// this is a clone of an earlier state of the ethereum ethdb/database
|
||||
// no need for queueing/caching
|
||||
|
||||
import ( |
||||
"github.com/ethereum/go-ethereum/metrics" |
||||
"github.com/syndtr/goleveldb/leveldb" |
||||
"github.com/syndtr/goleveldb/leveldb/iterator" |
||||
"github.com/syndtr/goleveldb/leveldb/opt" |
||||
) |
||||
|
||||
const openFileLimit = 128 |
||||
|
||||
type LDBDatabase struct { |
||||
db *leveldb.DB |
||||
} |
||||
|
||||
func NewLDBDatabase(file string) (*LDBDatabase, error) { |
||||
// Open the db
|
||||
db, err := leveldb.OpenFile(file, &opt.Options{OpenFilesCacheCapacity: openFileLimit}) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
|
||||
database := &LDBDatabase{db: db} |
||||
|
||||
return database, nil |
||||
} |
||||
|
||||
func (db *LDBDatabase) Put(key []byte, value []byte) error { |
||||
metrics.GetOrRegisterCounter("ldbdatabase.put", nil).Inc(1) |
||||
|
||||
return db.db.Put(key, value, nil) |
||||
} |
||||
|
||||
func (db *LDBDatabase) Get(key []byte) ([]byte, error) { |
||||
metrics.GetOrRegisterCounter("ldbdatabase.get", nil).Inc(1) |
||||
|
||||
dat, err := db.db.Get(key, nil) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
return dat, nil |
||||
} |
||||
|
||||
func (db *LDBDatabase) Delete(key []byte) error { |
||||
return db.db.Delete(key, nil) |
||||
} |
||||
|
||||
func (db *LDBDatabase) NewIterator() iterator.Iterator { |
||||
metrics.GetOrRegisterCounter("ldbdatabase.newiterator", nil).Inc(1) |
||||
|
||||
return db.db.NewIterator(nil, nil) |
||||
} |
||||
|
||||
func (db *LDBDatabase) Write(batch *leveldb.Batch) error { |
||||
metrics.GetOrRegisterCounter("ldbdatabase.write", nil).Inc(1) |
||||
|
||||
return db.db.Write(batch, nil) |
||||
} |
||||
|
||||
func (db *LDBDatabase) Close() { |
||||
// Close the leveldb database
|
||||
db.db.Close() |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
@ -1,788 +0,0 @@ |
||||
// 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 storage |
||||
|
||||
import ( |
||||
"bytes" |
||||
"context" |
||||
"encoding/binary" |
||||
"fmt" |
||||
"io/ioutil" |
||||
"os" |
||||
"strconv" |
||||
"strings" |
||||
"testing" |
||||
|
||||
"github.com/ethereum/go-ethereum/common" |
||||
"github.com/ethereum/go-ethereum/swarm/chunk" |
||||
"github.com/ethereum/go-ethereum/swarm/log" |
||||
"github.com/ethereum/go-ethereum/swarm/storage/mock/mem" |
||||
"github.com/ethereum/go-ethereum/swarm/testutil" |
||||
ldberrors "github.com/syndtr/goleveldb/leveldb/errors" |
||||
) |
||||
|
||||
type testDbStore struct { |
||||
*LDBStore |
||||
dir string |
||||
} |
||||
|
||||
func newTestDbStore(mock bool, trusted bool) (*testDbStore, func(), error) { |
||||
dir, err := ioutil.TempDir("", "bzz-storage-test") |
||||
if err != nil { |
||||
return nil, func() {}, err |
||||
} |
||||
|
||||
var db *LDBStore |
||||
storeparams := NewDefaultStoreParams() |
||||
params := NewLDBStoreParams(storeparams, dir) |
||||
params.Po = testPoFunc |
||||
|
||||
if mock { |
||||
globalStore := mem.NewGlobalStore() |
||||
addr := common.HexToAddress("0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed") |
||||
mockStore := globalStore.NewNodeStore(addr) |
||||
|
||||
db, err = NewMockDbStore(params, mockStore) |
||||
} else { |
||||
db, err = NewLDBStore(params) |
||||
} |
||||
|
||||
cleanup := func() { |
||||
if db != nil { |
||||
db.Close() |
||||
} |
||||
err = os.RemoveAll(dir) |
||||
if err != nil { |
||||
panic(fmt.Sprintf("db cleanup failed: %v", err)) |
||||
} |
||||
} |
||||
|
||||
return &testDbStore{db, dir}, cleanup, err |
||||
} |
||||
|
||||
func testPoFunc(k Address) (ret uint8) { |
||||
basekey := make([]byte, 32) |
||||
return uint8(Proximity(basekey, k[:])) |
||||
} |
||||
|
||||
func testDbStoreRandom(n int, mock bool, t *testing.T) { |
||||
db, cleanup, err := newTestDbStore(mock, true) |
||||
defer cleanup() |
||||
if err != nil { |
||||
t.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
testStoreRandom(db, n, t) |
||||
} |
||||
|
||||
func testDbStoreCorrect(n int, mock bool, t *testing.T) { |
||||
db, cleanup, err := newTestDbStore(mock, false) |
||||
defer cleanup() |
||||
if err != nil { |
||||
t.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
testStoreCorrect(db, n, t) |
||||
} |
||||
|
||||
func TestMarkAccessed(t *testing.T) { |
||||
db, cleanup, err := newTestDbStore(false, true) |
||||
defer cleanup() |
||||
if err != nil { |
||||
t.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
|
||||
h := GenerateRandomChunk(chunk.DefaultSize) |
||||
|
||||
db.Put(context.Background(), h) |
||||
|
||||
var index dpaDBIndex |
||||
addr := h.Address() |
||||
idxk := getIndexKey(addr) |
||||
|
||||
idata, err := db.db.Get(idxk) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
decodeIndex(idata, &index) |
||||
|
||||
if index.Access != 0 { |
||||
t.Fatalf("Expected the access index to be %d, but it is %d", 0, index.Access) |
||||
} |
||||
|
||||
db.MarkAccessed(addr) |
||||
db.writeCurrentBatch() |
||||
|
||||
idata, err = db.db.Get(idxk) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
decodeIndex(idata, &index) |
||||
|
||||
if index.Access != 1 { |
||||
t.Fatalf("Expected the access index to be %d, but it is %d", 1, index.Access) |
||||
} |
||||
|
||||
} |
||||
|
||||
func TestDbStoreRandom_1(t *testing.T) { |
||||
testDbStoreRandom(1, false, t) |
||||
} |
||||
|
||||
func TestDbStoreCorrect_1(t *testing.T) { |
||||
testDbStoreCorrect(1, false, t) |
||||
} |
||||
|
||||
func TestDbStoreRandom_1k(t *testing.T) { |
||||
testDbStoreRandom(1000, false, t) |
||||
} |
||||
|
||||
func TestDbStoreCorrect_1k(t *testing.T) { |
||||
testDbStoreCorrect(1000, false, t) |
||||
} |
||||
|
||||
func TestMockDbStoreRandom_1(t *testing.T) { |
||||
testDbStoreRandom(1, true, t) |
||||
} |
||||
|
||||
func TestMockDbStoreCorrect_1(t *testing.T) { |
||||
testDbStoreCorrect(1, true, t) |
||||
} |
||||
|
||||
func TestMockDbStoreRandom_1k(t *testing.T) { |
||||
testDbStoreRandom(1000, true, t) |
||||
} |
||||
|
||||
func TestMockDbStoreCorrect_1k(t *testing.T) { |
||||
testDbStoreCorrect(1000, true, t) |
||||
} |
||||
|
||||
func testDbStoreNotFound(t *testing.T, mock bool) { |
||||
db, cleanup, err := newTestDbStore(mock, false) |
||||
defer cleanup() |
||||
if err != nil { |
||||
t.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
|
||||
_, err = db.Get(context.TODO(), ZeroAddr) |
||||
if err != ErrChunkNotFound { |
||||
t.Errorf("Expected ErrChunkNotFound, got %v", err) |
||||
} |
||||
} |
||||
|
||||
func TestDbStoreNotFound(t *testing.T) { |
||||
testDbStoreNotFound(t, false) |
||||
} |
||||
func TestMockDbStoreNotFound(t *testing.T) { |
||||
testDbStoreNotFound(t, true) |
||||
} |
||||
|
||||
func testIterator(t *testing.T, mock bool) { |
||||
var i int |
||||
var poc uint |
||||
chunkcount := 32 |
||||
chunkkeys := NewAddressCollection(chunkcount) |
||||
chunkkeysResults := NewAddressCollection(chunkcount) |
||||
|
||||
db, cleanup, err := newTestDbStore(mock, false) |
||||
defer cleanup() |
||||
if err != nil { |
||||
t.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
|
||||
chunks := GenerateRandomChunks(chunk.DefaultSize, chunkcount) |
||||
|
||||
for i = 0; i < len(chunks); i++ { |
||||
chunkkeys[i] = chunks[i].Address() |
||||
err := db.Put(context.TODO(), chunks[i]) |
||||
if err != nil { |
||||
t.Fatalf("dbStore.Put failed: %v", err) |
||||
} |
||||
} |
||||
|
||||
for i = 0; i < len(chunkkeys); i++ { |
||||
log.Trace(fmt.Sprintf("Chunk array pos %d/%d: '%v'", i, chunkcount, chunkkeys[i])) |
||||
} |
||||
i = 0 |
||||
for poc = 0; poc <= 255; poc++ { |
||||
err := db.SyncIterator(0, uint64(chunkkeys.Len()), uint8(poc), func(k Address, n uint64) bool { |
||||
log.Trace(fmt.Sprintf("Got key %v number %d poc %d", k, n, uint8(poc))) |
||||
chunkkeysResults[n] = k |
||||
i++ |
||||
return true |
||||
}) |
||||
if err != nil { |
||||
t.Fatalf("Iterator call failed: %v", err) |
||||
} |
||||
} |
||||
|
||||
for i = 0; i < chunkcount; i++ { |
||||
if !bytes.Equal(chunkkeys[i], chunkkeysResults[i]) { |
||||
t.Fatalf("Chunk put #%d key '%v' does not match iterator's key '%v'", i, chunkkeys[i], chunkkeysResults[i]) |
||||
} |
||||
} |
||||
|
||||
} |
||||
|
||||
func TestIterator(t *testing.T) { |
||||
testIterator(t, false) |
||||
} |
||||
func TestMockIterator(t *testing.T) { |
||||
testIterator(t, true) |
||||
} |
||||
|
||||
func benchmarkDbStorePut(n int, mock bool, b *testing.B) { |
||||
db, cleanup, err := newTestDbStore(mock, true) |
||||
defer cleanup() |
||||
if err != nil { |
||||
b.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
benchmarkStorePut(db, n, b) |
||||
} |
||||
|
||||
func benchmarkDbStoreGet(n int, mock bool, b *testing.B) { |
||||
db, cleanup, err := newTestDbStore(mock, true) |
||||
defer cleanup() |
||||
if err != nil { |
||||
b.Fatalf("init dbStore failed: %v", err) |
||||
} |
||||
benchmarkStoreGet(db, n, b) |
||||
} |
||||
|
||||
func BenchmarkDbStorePut_500(b *testing.B) { |
||||
benchmarkDbStorePut(500, false, b) |
||||
} |
||||
|
||||
func BenchmarkDbStoreGet_500(b *testing.B) { |
||||
benchmarkDbStoreGet(500, false, b) |
||||
} |
||||
|
||||
func BenchmarkMockDbStorePut_500(b *testing.B) { |
||||
benchmarkDbStorePut(500, true, b) |
||||
} |
||||
|
||||
func BenchmarkMockDbStoreGet_500(b *testing.B) { |
||||
benchmarkDbStoreGet(500, true, b) |
||||
} |
||||
|
||||
// TestLDBStoreWithoutCollectGarbage tests that we can put a number of random chunks in the LevelDB store, and
|
||||
// retrieve them, provided we don't hit the garbage collection
|
||||
func TestLDBStoreWithoutCollectGarbage(t *testing.T) { |
||||
capacity := 50 |
||||
n := 10 |
||||
|
||||
ldb, cleanup := newLDBStore(t) |
||||
ldb.setCapacity(uint64(capacity)) |
||||
defer cleanup() |
||||
|
||||
chunks, err := mputRandomChunks(ldb, n) |
||||
if err != nil { |
||||
t.Fatal(err.Error()) |
||||
} |
||||
|
||||
log.Info("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
|
||||
for _, ch := range chunks { |
||||
ret, err := ldb.Get(context.TODO(), ch.Address()) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if !bytes.Equal(ret.Data(), ch.Data()) { |
||||
t.Fatal("expected to get the same data back, but got smth else") |
||||
} |
||||
} |
||||
|
||||
if ldb.entryCnt != uint64(n) { |
||||
t.Fatalf("expected entryCnt to be equal to %v, but got %v", n, ldb.entryCnt) |
||||
} |
||||
|
||||
if ldb.accessCnt != uint64(2*n) { |
||||
t.Fatalf("expected accessCnt to be equal to %v, but got %v", 2*n, ldb.accessCnt) |
||||
} |
||||
} |
||||
|
||||
// TestLDBStoreCollectGarbage tests that we can put more chunks than LevelDB's capacity, and
|
||||
// retrieve only some of them, because garbage collection must have partially cleared the store
|
||||
// Also tests that we can delete chunks and that we can trigger garbage collection
|
||||
func TestLDBStoreCollectGarbage(t *testing.T) { |
||||
|
||||
// below max ronud
|
||||
initialCap := defaultMaxGCRound / 100 |
||||
cap := initialCap / 2 |
||||
t.Run(fmt.Sprintf("A/%d/%d", cap, cap*4), testLDBStoreCollectGarbage) |
||||
|
||||
if testutil.RaceEnabled { |
||||
t.Skip("only the simplest case run as others are flaky with race") |
||||
// Note: some tests fail consistently and even locally with `-race`
|
||||
} |
||||
|
||||
t.Run(fmt.Sprintf("B/%d/%d", cap, cap*4), testLDBStoreRemoveThenCollectGarbage) |
||||
|
||||
// at max round
|
||||
cap = initialCap |
||||
t.Run(fmt.Sprintf("A/%d/%d", cap, cap*4), testLDBStoreCollectGarbage) |
||||
t.Run(fmt.Sprintf("B/%d/%d", cap, cap*4), testLDBStoreRemoveThenCollectGarbage) |
||||
|
||||
// more than max around, not on threshold
|
||||
cap = initialCap + 500 |
||||
t.Run(fmt.Sprintf("A/%d/%d", cap, cap*4), testLDBStoreCollectGarbage) |
||||
t.Run(fmt.Sprintf("B/%d/%d", cap, cap*4), testLDBStoreRemoveThenCollectGarbage) |
||||
|
||||
} |
||||
|
||||
func testLDBStoreCollectGarbage(t *testing.T) { |
||||
params := strings.Split(t.Name(), "/") |
||||
capacity, err := strconv.Atoi(params[2]) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
n, err := strconv.Atoi(params[3]) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
ldb, cleanup := newLDBStore(t) |
||||
ldb.setCapacity(uint64(capacity)) |
||||
defer cleanup() |
||||
|
||||
// retrieve the gc round target count for the db capacity
|
||||
ldb.startGC(capacity) |
||||
roundTarget := ldb.gc.target |
||||
|
||||
// split put counts to gc target count threshold, and wait for gc to finish in between
|
||||
var allChunks []Chunk |
||||
remaining := n |
||||
for remaining > 0 { |
||||
var putCount int |
||||
if remaining < roundTarget { |
||||
putCount = remaining |
||||
} else { |
||||
putCount = roundTarget |
||||
} |
||||
remaining -= putCount |
||||
chunks, err := mputRandomChunks(ldb, putCount) |
||||
if err != nil { |
||||
t.Fatal(err.Error()) |
||||
} |
||||
allChunks = append(allChunks, chunks...) |
||||
ldb.lock.RLock() |
||||
log.Debug("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt, "cap", capacity, "n", n) |
||||
ldb.lock.RUnlock() |
||||
|
||||
waitGc(ldb) |
||||
} |
||||
|
||||
// attempt gets on all put chunks
|
||||
var missing int |
||||
for _, ch := range allChunks { |
||||
ret, err := ldb.Get(context.TODO(), ch.Address()) |
||||
if err == ErrChunkNotFound || err == ldberrors.ErrNotFound { |
||||
missing++ |
||||
continue |
||||
} |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if !bytes.Equal(ret.Data(), ch.Data()) { |
||||
t.Fatal("expected to get the same data back, but got smth else") |
||||
} |
||||
|
||||
log.Trace("got back chunk", "chunk", ret) |
||||
} |
||||
|
||||
// all surplus chunks should be missing
|
||||
expectMissing := roundTarget + (((n - capacity) / roundTarget) * roundTarget) |
||||
if missing != expectMissing { |
||||
t.Fatalf("gc failure: expected to miss %v chunks, but only %v are actually missing", expectMissing, missing) |
||||
} |
||||
|
||||
log.Info("ldbstore", "total", n, "missing", missing, "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
} |
||||
|
||||
// TestLDBStoreAddRemove tests that we can put and then delete a given chunk
|
||||
func TestLDBStoreAddRemove(t *testing.T) { |
||||
ldb, cleanup := newLDBStore(t) |
||||
ldb.setCapacity(200) |
||||
defer cleanup() |
||||
|
||||
n := 100 |
||||
chunks, err := mputRandomChunks(ldb, n) |
||||
if err != nil { |
||||
t.Fatalf(err.Error()) |
||||
} |
||||
|
||||
for i := 0; i < n; i++ { |
||||
// delete all even index chunks
|
||||
if i%2 == 0 { |
||||
ldb.Delete(chunks[i].Address()) |
||||
} |
||||
} |
||||
|
||||
log.Info("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
|
||||
for i := 0; i < n; i++ { |
||||
ret, err := ldb.Get(context.TODO(), chunks[i].Address()) |
||||
|
||||
if i%2 == 0 { |
||||
// expect even chunks to be missing
|
||||
if err == nil { |
||||
t.Fatal("expected chunk to be missing, but got no error") |
||||
} |
||||
} else { |
||||
// expect odd chunks to be retrieved successfully
|
||||
if err != nil { |
||||
t.Fatalf("expected no error, but got %s", err) |
||||
} |
||||
|
||||
if !bytes.Equal(ret.Data(), chunks[i].Data()) { |
||||
t.Fatal("expected to get the same data back, but got smth else") |
||||
} |
||||
} |
||||
} |
||||
} |
||||
|
||||
func testLDBStoreRemoveThenCollectGarbage(t *testing.T) { |
||||
t.Skip("flaky with -race flag") |
||||
|
||||
params := strings.Split(t.Name(), "/") |
||||
capacity, err := strconv.Atoi(params[2]) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
n, err := strconv.Atoi(params[3]) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
ldb, cleanup := newLDBStore(t) |
||||
defer cleanup() |
||||
ldb.setCapacity(uint64(capacity)) |
||||
|
||||
// put capacity count number of chunks
|
||||
chunks := make([]Chunk, n) |
||||
for i := 0; i < n; i++ { |
||||
c := GenerateRandomChunk(chunk.DefaultSize) |
||||
chunks[i] = c |
||||
log.Trace("generate random chunk", "idx", i, "chunk", c) |
||||
} |
||||
|
||||
for i := 0; i < n; i++ { |
||||
err := ldb.Put(context.TODO(), chunks[i]) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
} |
||||
|
||||
waitGc(ldb) |
||||
|
||||
// delete all chunks
|
||||
// (only count the ones actually deleted, the rest will have been gc'd)
|
||||
deletes := 0 |
||||
for i := 0; i < n; i++ { |
||||
if ldb.Delete(chunks[i].Address()) == nil { |
||||
deletes++ |
||||
} |
||||
} |
||||
|
||||
log.Info("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
|
||||
if ldb.entryCnt != 0 { |
||||
t.Fatalf("ldb.entrCnt expected 0 got %v", ldb.entryCnt) |
||||
} |
||||
|
||||
// the manual deletes will have increased accesscnt, so we need to add this when we verify the current count
|
||||
expAccessCnt := uint64(n) |
||||
if ldb.accessCnt != expAccessCnt { |
||||
t.Fatalf("ldb.accessCnt expected %v got %v", expAccessCnt, ldb.accessCnt) |
||||
} |
||||
|
||||
// retrieve the gc round target count for the db capacity
|
||||
ldb.startGC(capacity) |
||||
roundTarget := ldb.gc.target |
||||
|
||||
remaining := n |
||||
var puts int |
||||
for remaining > 0 { |
||||
var putCount int |
||||
if remaining < roundTarget { |
||||
putCount = remaining |
||||
} else { |
||||
putCount = roundTarget |
||||
} |
||||
remaining -= putCount |
||||
for putCount > 0 { |
||||
ldb.Put(context.TODO(), chunks[puts]) |
||||
ldb.lock.RLock() |
||||
log.Debug("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt, "cap", capacity, "n", n, "puts", puts, "remaining", remaining, "roundtarget", roundTarget) |
||||
ldb.lock.RUnlock() |
||||
puts++ |
||||
putCount-- |
||||
} |
||||
|
||||
waitGc(ldb) |
||||
} |
||||
|
||||
// expect first surplus chunks to be missing, because they have the smallest access value
|
||||
expectMissing := roundTarget + (((n - capacity) / roundTarget) * roundTarget) |
||||
for i := 0; i < expectMissing; i++ { |
||||
_, err := ldb.Get(context.TODO(), chunks[i].Address()) |
||||
if err == nil { |
||||
t.Fatalf("expected surplus chunk %d to be missing, but got no error", i) |
||||
} |
||||
} |
||||
|
||||
// expect last chunks to be present, as they have the largest access value
|
||||
for i := expectMissing; i < n; i++ { |
||||
ret, err := ldb.Get(context.TODO(), chunks[i].Address()) |
||||
if err != nil { |
||||
t.Fatalf("chunk %v: expected no error, but got %s", i, err) |
||||
} |
||||
if !bytes.Equal(ret.Data(), chunks[i].Data()) { |
||||
t.Fatal("expected to get the same data back, but got smth else") |
||||
} |
||||
} |
||||
} |
||||
|
||||
// TestLDBStoreCollectGarbageAccessUnlikeIndex tests garbage collection where accesscount differs from indexcount
|
||||
func TestLDBStoreCollectGarbageAccessUnlikeIndex(t *testing.T) { |
||||
|
||||
capacity := defaultMaxGCRound / 100 * 2 |
||||
n := capacity - 1 |
||||
|
||||
ldb, cleanup := newLDBStore(t) |
||||
ldb.setCapacity(uint64(capacity)) |
||||
defer cleanup() |
||||
|
||||
chunks, err := mputRandomChunks(ldb, n) |
||||
if err != nil { |
||||
t.Fatal(err.Error()) |
||||
} |
||||
log.Info("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
|
||||
// set first added capacity/2 chunks to highest accesscount
|
||||
for i := 0; i < capacity/2; i++ { |
||||
_, err := ldb.Get(context.TODO(), chunks[i].Address()) |
||||
if err != nil { |
||||
t.Fatalf("fail add chunk #%d - %s: %v", i, chunks[i].Address(), err) |
||||
} |
||||
} |
||||
_, err = mputRandomChunks(ldb, 2) |
||||
if err != nil { |
||||
t.Fatal(err.Error()) |
||||
} |
||||
|
||||
// wait for garbage collection to kick in on the responsible actor
|
||||
waitGc(ldb) |
||||
|
||||
var missing int |
||||
for i, ch := range chunks[2 : capacity/2] { |
||||
ret, err := ldb.Get(context.TODO(), ch.Address()) |
||||
if err == ErrChunkNotFound || err == ldberrors.ErrNotFound { |
||||
t.Fatalf("fail find chunk #%d - %s: %v", i, ch.Address(), err) |
||||
} |
||||
|
||||
if !bytes.Equal(ret.Data(), ch.Data()) { |
||||
t.Fatal("expected to get the same data back, but got smth else") |
||||
} |
||||
log.Trace("got back chunk", "chunk", ret) |
||||
} |
||||
|
||||
log.Info("ldbstore", "total", n, "missing", missing, "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt) |
||||
} |
||||
|
||||
func TestCleanIndex(t *testing.T) { |
||||
if testutil.RaceEnabled { |
||||
t.Skip("disabled because it times out with race detector") |
||||
} |
||||
|
||||
capacity := 5000 |
||||
n := 3 |
||||
|
||||
ldb, cleanup := newLDBStore(t) |
||||
ldb.setCapacity(uint64(capacity)) |
||||
defer cleanup() |
||||
|
||||
chunks, err := mputRandomChunks(ldb, n) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
// remove the data of the first chunk
|
||||
po := ldb.po(chunks[0].Address()[:]) |
||||
dataKey := make([]byte, 10) |
||||
dataKey[0] = keyData |
||||
dataKey[1] = byte(po) |
||||
// dataKey[2:10] = first chunk has storageIdx 0 on [2:10]
|
||||
if _, err := ldb.db.Get(dataKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
if err := ldb.db.Delete(dataKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
// remove the gc index row for the first chunk
|
||||
gcFirstCorrectKey := make([]byte, 9) |
||||
gcFirstCorrectKey[0] = keyGCIdx |
||||
if err := ldb.db.Delete(gcFirstCorrectKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
// warp the gc data of the second chunk
|
||||
// this data should be correct again after the clean
|
||||
gcSecondCorrectKey := make([]byte, 9) |
||||
gcSecondCorrectKey[0] = keyGCIdx |
||||
binary.BigEndian.PutUint64(gcSecondCorrectKey[1:], uint64(1)) |
||||
gcSecondCorrectVal, err := ldb.db.Get(gcSecondCorrectKey) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
warpedGCVal := make([]byte, len(gcSecondCorrectVal)+1) |
||||
copy(warpedGCVal[1:], gcSecondCorrectVal) |
||||
if err := ldb.db.Delete(gcSecondCorrectKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
if err := ldb.db.Put(gcSecondCorrectKey, warpedGCVal); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if err := ldb.CleanGCIndex(); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
// the index without corresponding data should have been deleted
|
||||
idxKey := make([]byte, 33) |
||||
idxKey[0] = keyIndex |
||||
copy(idxKey[1:], chunks[0].Address()) |
||||
if _, err := ldb.db.Get(idxKey); err == nil { |
||||
t.Fatalf("expected chunk 0 idx to be pruned: %v", idxKey) |
||||
} |
||||
|
||||
// the two other indices should be present
|
||||
copy(idxKey[1:], chunks[1].Address()) |
||||
if _, err := ldb.db.Get(idxKey); err != nil { |
||||
t.Fatalf("expected chunk 1 idx to be present: %v", idxKey) |
||||
} |
||||
|
||||
copy(idxKey[1:], chunks[2].Address()) |
||||
if _, err := ldb.db.Get(idxKey); err != nil { |
||||
t.Fatalf("expected chunk 2 idx to be present: %v", idxKey) |
||||
} |
||||
|
||||
// first gc index should still be gone
|
||||
if _, err := ldb.db.Get(gcFirstCorrectKey); err == nil { |
||||
t.Fatalf("expected gc 0 idx to be pruned: %v", idxKey) |
||||
} |
||||
|
||||
// second gc index should still be fixed
|
||||
if _, err := ldb.db.Get(gcSecondCorrectKey); err != nil { |
||||
t.Fatalf("expected gc 1 idx to be present: %v", idxKey) |
||||
} |
||||
|
||||
// third gc index should be unchanged
|
||||
binary.BigEndian.PutUint64(gcSecondCorrectKey[1:], uint64(2)) |
||||
if _, err := ldb.db.Get(gcSecondCorrectKey); err != nil { |
||||
t.Fatalf("expected gc 2 idx to be present: %v", idxKey) |
||||
} |
||||
|
||||
c, err := ldb.db.Get(keyEntryCnt) |
||||
if err != nil { |
||||
t.Fatalf("expected gc 2 idx to be present: %v", idxKey) |
||||
} |
||||
|
||||
// entrycount should now be one less
|
||||
entryCount := binary.BigEndian.Uint64(c) |
||||
if entryCount != 2 { |
||||
t.Fatalf("expected entrycnt to be 2, was %d", c) |
||||
} |
||||
|
||||
// the chunks might accidentally be in the same bin
|
||||
// if so that bin counter will now be 2 - the highest added index.
|
||||
// if not, the total of them will be 3
|
||||
poBins := []uint8{ldb.po(chunks[1].Address()), ldb.po(chunks[2].Address())} |
||||
if poBins[0] == poBins[1] { |
||||
poBins = poBins[:1] |
||||
} |
||||
|
||||
var binTotal uint64 |
||||
var currentBin [2]byte |
||||
currentBin[0] = keyDistanceCnt |
||||
if len(poBins) == 1 { |
||||
currentBin[1] = poBins[0] |
||||
c, err := ldb.db.Get(currentBin[:]) |
||||
if err != nil { |
||||
t.Fatalf("expected gc 2 idx to be present: %v", idxKey) |
||||
} |
||||
binCount := binary.BigEndian.Uint64(c) |
||||
if binCount != 2 { |
||||
t.Fatalf("expected entrycnt to be 2, was %d", binCount) |
||||
} |
||||
} else { |
||||
for _, bin := range poBins { |
||||
currentBin[1] = bin |
||||
c, err := ldb.db.Get(currentBin[:]) |
||||
if err != nil { |
||||
t.Fatalf("expected gc 2 idx to be present: %v", idxKey) |
||||
} |
||||
binCount := binary.BigEndian.Uint64(c) |
||||
binTotal += binCount |
||||
|
||||
} |
||||
if binTotal != 3 { |
||||
t.Fatalf("expected sum of bin indices to be 3, was %d", binTotal) |
||||
} |
||||
} |
||||
|
||||
// check that the iterator quits properly
|
||||
chunks, err = mputRandomChunks(ldb, 4100) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
po = ldb.po(chunks[4099].Address()[:]) |
||||
dataKey = make([]byte, 10) |
||||
dataKey[0] = keyData |
||||
dataKey[1] = byte(po) |
||||
binary.BigEndian.PutUint64(dataKey[2:], 4099+3) |
||||
if _, err := ldb.db.Get(dataKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
if err := ldb.db.Delete(dataKey); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
if err := ldb.CleanGCIndex(); err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
|
||||
// entrycount should now be one less of added chunks
|
||||
c, err = ldb.db.Get(keyEntryCnt) |
||||
if err != nil { |
||||
t.Fatalf("expected gc 2 idx to be present: %v", idxKey) |
||||
} |
||||
entryCount = binary.BigEndian.Uint64(c) |
||||
if entryCount != 4099+2 { |
||||
t.Fatalf("expected entrycnt to be 2, was %d", c) |
||||
} |
||||
} |
||||
|
||||
// Note: waitGc does not guarantee that we wait 1 GC round; it only
|
||||
// guarantees that if the GC is running we wait for that run to finish
|
||||
// ticket: https://github.com/ethersphere/go-ethereum/issues/1151
|
||||
func waitGc(ldb *LDBStore) { |
||||
<-ldb.gc.runC |
||||
ldb.gc.runC <- struct{}{} |
||||
} |
||||
@ -1,251 +0,0 @@ |
||||
// 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 storage |
||||
|
||||
import ( |
||||
"context" |
||||
"path/filepath" |
||||
"sync" |
||||
|
||||
"github.com/ethereum/go-ethereum/metrics" |
||||
"github.com/ethereum/go-ethereum/swarm/log" |
||||
"github.com/ethereum/go-ethereum/swarm/storage/mock" |
||||
) |
||||
|
||||
type LocalStoreParams struct { |
||||
*StoreParams |
||||
ChunkDbPath string |
||||
Validators []ChunkValidator `toml:"-"` |
||||
} |
||||
|
||||
func NewDefaultLocalStoreParams() *LocalStoreParams { |
||||
return &LocalStoreParams{ |
||||
StoreParams: NewDefaultStoreParams(), |
||||
} |
||||
} |
||||
|
||||
//this can only finally be set after all config options (file, cmd line, env vars)
|
||||
//have been evaluated
|
||||
func (p *LocalStoreParams) Init(path string) { |
||||
if p.ChunkDbPath == "" { |
||||
p.ChunkDbPath = filepath.Join(path, "chunks") |
||||
} |
||||
} |
||||
|
||||
// LocalStore is a combination of inmemory db over a disk persisted db
|
||||
// implements a Get/Put with fallback (caching) logic using any 2 ChunkStores
|
||||
type LocalStore struct { |
||||
Validators []ChunkValidator |
||||
memStore *MemStore |
||||
DbStore *LDBStore |
||||
mu sync.Mutex |
||||
} |
||||
|
||||
// This constructor uses MemStore and DbStore as components
|
||||
func NewLocalStore(params *LocalStoreParams, mockStore *mock.NodeStore) (*LocalStore, error) { |
||||
ldbparams := NewLDBStoreParams(params.StoreParams, params.ChunkDbPath) |
||||
dbStore, err := NewMockDbStore(ldbparams, mockStore) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
return &LocalStore{ |
||||
memStore: NewMemStore(params.StoreParams, dbStore), |
||||
DbStore: dbStore, |
||||
Validators: params.Validators, |
||||
}, nil |
||||
} |
||||
|
||||
func NewTestLocalStoreForAddr(params *LocalStoreParams) (*LocalStore, error) { |
||||
ldbparams := NewLDBStoreParams(params.StoreParams, params.ChunkDbPath) |
||||
dbStore, err := NewLDBStore(ldbparams) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
localStore := &LocalStore{ |
||||
memStore: NewMemStore(params.StoreParams, dbStore), |
||||
DbStore: dbStore, |
||||
Validators: params.Validators, |
||||
} |
||||
return localStore, nil |
||||
} |
||||
|
||||
// isValid returns true if chunk passes any of the LocalStore Validators.
|
||||
// isValid also returns true if LocalStore has no Validators.
|
||||
func (ls *LocalStore) isValid(chunk Chunk) bool { |
||||
// by default chunks are valid. if we have 0 validators, then all chunks are valid.
|
||||
valid := true |
||||
|
||||
// ls.Validators contains a list of one validator per chunk type.
|
||||
// if one validator succeeds, then the chunk is valid
|
||||
for _, v := range ls.Validators { |
||||
if valid = v.Validate(chunk); valid { |
||||
break |
||||
} |
||||
} |
||||
return valid |
||||
} |
||||
|
||||
// Put is responsible for doing validation and storage of the chunk
|
||||
// by using configured ChunkValidators, MemStore and LDBStore.
|
||||
// If the chunk is not valid, its GetErrored function will
|
||||
// return ErrChunkInvalid.
|
||||
// This method will check if the chunk is already in the MemStore
|
||||
// and it will return it if it is. If there is an error from
|
||||
// the MemStore.Get, it will be returned by calling GetErrored
|
||||
// on the chunk.
|
||||
// This method is responsible for closing Chunk.ReqC channel
|
||||
// when the chunk is stored in memstore.
|
||||
// After the LDBStore.Put, it is ensured that the MemStore
|
||||
// contains the chunk with the same data, but nil ReqC channel.
|
||||
func (ls *LocalStore) Put(ctx context.Context, chunk Chunk) error { |
||||
if !ls.isValid(chunk) { |
||||
return ErrChunkInvalid |
||||
} |
||||
|
||||
log.Trace("localstore.put", "key", chunk.Address()) |
||||
ls.mu.Lock() |
||||
defer ls.mu.Unlock() |
||||
|
||||
_, err := ls.memStore.Get(ctx, chunk.Address()) |
||||
if err == nil { |
||||
return nil |
||||
} |
||||
if err != nil && err != ErrChunkNotFound { |
||||
return err |
||||
} |
||||
ls.memStore.Put(ctx, chunk) |
||||
err = ls.DbStore.Put(ctx, chunk) |
||||
return err |
||||
} |
||||
|
||||
// Has queries the underlying DbStore if a chunk with the given address
|
||||
// is being stored there.
|
||||
// Returns true if it is stored, false if not
|
||||
func (ls *LocalStore) Has(ctx context.Context, addr Address) bool { |
||||
return ls.DbStore.Has(ctx, addr) |
||||
} |
||||
|
||||
// Get(chunk *Chunk) looks up a chunk in the local stores
|
||||
// This method is blocking until the chunk is retrieved
|
||||
// so additional timeout may be needed to wrap this call if
|
||||
// ChunkStores are remote and can have long latency
|
||||
func (ls *LocalStore) Get(ctx context.Context, addr Address) (chunk Chunk, err error) { |
||||
ls.mu.Lock() |
||||
defer ls.mu.Unlock() |
||||
|
||||
return ls.get(ctx, addr) |
||||
} |
||||
|
||||
func (ls *LocalStore) get(ctx context.Context, addr Address) (chunk Chunk, err error) { |
||||
chunk, err = ls.memStore.Get(ctx, addr) |
||||
|
||||
if err != nil && err != ErrChunkNotFound { |
||||
metrics.GetOrRegisterCounter("localstore.get.error", nil).Inc(1) |
||||
return nil, err |
||||
} |
||||
|
||||
if err == nil { |
||||
metrics.GetOrRegisterCounter("localstore.get.cachehit", nil).Inc(1) |
||||
go ls.DbStore.MarkAccessed(addr) |
||||
return chunk, nil |
||||
} |
||||
|
||||
metrics.GetOrRegisterCounter("localstore.get.cachemiss", nil).Inc(1) |
||||
chunk, err = ls.DbStore.Get(ctx, addr) |
||||
if err != nil { |
||||
metrics.GetOrRegisterCounter("localstore.get.error", nil).Inc(1) |
||||
return nil, err |
||||
} |
||||
|
||||
ls.memStore.Put(ctx, chunk) |
||||
return chunk, nil |
||||
} |
||||
|
||||
func (ls *LocalStore) FetchFunc(ctx context.Context, addr Address) func(context.Context) error { |
||||
ls.mu.Lock() |
||||
defer ls.mu.Unlock() |
||||
|
||||
_, err := ls.get(ctx, addr) |
||||
if err == nil { |
||||
return nil |
||||
} |
||||
return func(context.Context) error { |
||||
return err |
||||
} |
||||
} |
||||
|
||||
func (ls *LocalStore) BinIndex(po uint8) uint64 { |
||||
return ls.DbStore.BinIndex(po) |
||||
} |
||||
|
||||
func (ls *LocalStore) Iterator(from uint64, to uint64, po uint8, f func(Address, uint64) bool) error { |
||||
return ls.DbStore.SyncIterator(from, to, po, f) |
||||
} |
||||
|
||||
// Close the local store
|
||||
func (ls *LocalStore) Close() { |
||||
ls.DbStore.Close() |
||||
} |
||||
|
||||
// Migrate checks the datastore schema vs the runtime schema and runs
|
||||
// migrations if they don't match
|
||||
func (ls *LocalStore) Migrate() error { |
||||
actualDbSchema, err := ls.DbStore.GetSchema() |
||||
if err != nil { |
||||
log.Error(err.Error()) |
||||
return err |
||||
} |
||||
|
||||
if actualDbSchema == CurrentDbSchema { |
||||
return nil |
||||
} |
||||
|
||||
log.Debug("running migrations for", "schema", actualDbSchema, "runtime-schema", CurrentDbSchema) |
||||
|
||||
if actualDbSchema == DbSchemaNone { |
||||
ls.migrateFromNoneToPurity() |
||||
actualDbSchema = DbSchemaPurity |
||||
} |
||||
|
||||
if err := ls.DbStore.PutSchema(actualDbSchema); err != nil { |
||||
return err |
||||
} |
||||
|
||||
if actualDbSchema == DbSchemaPurity { |
||||
if err := ls.migrateFromPurityToHalloween(); err != nil { |
||||
return err |
||||
} |
||||
actualDbSchema = DbSchemaHalloween |
||||
} |
||||
|
||||
if err := ls.DbStore.PutSchema(actualDbSchema); err != nil { |
||||
return err |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
func (ls *LocalStore) migrateFromNoneToPurity() { |
||||
// delete chunks that are not valid, i.e. chunks that do not pass
|
||||
// any of the ls.Validators
|
||||
ls.DbStore.Cleanup(func(c Chunk) bool { |
||||
return !ls.isValid(c) |
||||
}) |
||||
} |
||||
|
||||
func (ls *LocalStore) migrateFromPurityToHalloween() error { |
||||
return ls.DbStore.CleanGCIndex() |
||||
} |
||||
@ -0,0 +1,204 @@ |
||||
// Copyright 2019 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 localstore |
||||
|
||||
import ( |
||||
"archive/tar" |
||||
"context" |
||||
"encoding/hex" |
||||
"fmt" |
||||
"io" |
||||
"io/ioutil" |
||||
"sync" |
||||
|
||||
"github.com/ethereum/go-ethereum/swarm/chunk" |
||||
"github.com/ethereum/go-ethereum/swarm/log" |
||||
"github.com/ethereum/go-ethereum/swarm/shed" |
||||
) |
||||
|
||||
const ( |
||||
// filename in tar archive that holds the information
|
||||
// about exported data format version
|
||||
exportVersionFilename = ".swarm-export-version" |
||||
// legacy version for previous LDBStore
|
||||
legacyExportVersion = "1" |
||||
// current export format version
|
||||
currentExportVersion = "2" |
||||
) |
||||
|
||||
// Export writes a tar structured data to the writer of
|
||||
// all chunks in the retrieval data index. It returns the
|
||||
// number of chunks exported.
|
||||
func (db *DB) Export(w io.Writer) (count int64, err error) { |
||||
tw := tar.NewWriter(w) |
||||
defer tw.Close() |
||||
|
||||
if err := tw.WriteHeader(&tar.Header{ |
||||
Name: exportVersionFilename, |
||||
Mode: 0644, |
||||
Size: int64(len(currentExportVersion)), |
||||
}); err != nil { |
||||
return 0, err |
||||
} |
||||
if _, err := tw.Write([]byte(currentExportVersion)); err != nil { |
||||
return 0, err |
||||
} |
||||
|
||||
err = db.retrievalDataIndex.Iterate(func(item shed.Item) (stop bool, err error) { |
||||
hdr := &tar.Header{ |
||||
Name: hex.EncodeToString(item.Address), |
||||
Mode: 0644, |
||||
Size: int64(len(item.Data)), |
||||
} |
||||
if err := tw.WriteHeader(hdr); err != nil { |
||||
return false, err |
||||
} |
||||
if _, err := tw.Write(item.Data); err != nil { |
||||
return false, err |
||||
} |
||||
count++ |
||||
return false, nil |
||||
}, nil) |
||||
|
||||
return count, err |
||||
} |
||||
|
||||
// Import reads a tar structured data from the reader and
|
||||
// stores chunks in the database. It returns the number of
|
||||
// chunks imported.
|
||||
func (db *DB) Import(r io.Reader, legacy bool) (count int64, err error) { |
||||
tr := tar.NewReader(r) |
||||
|
||||
ctx, cancel := context.WithCancel(context.Background()) |
||||
defer cancel() |
||||
|
||||
errC := make(chan error) |
||||
doneC := make(chan struct{}) |
||||
tokenPool := make(chan struct{}, 100) |
||||
var wg sync.WaitGroup |
||||
go func() { |
||||
var ( |
||||
firstFile = true |
||||
// if exportVersionFilename file is not present
|
||||
// assume legacy version
|
||||
version = legacyExportVersion |
||||
) |
||||
for { |
||||
hdr, err := tr.Next() |
||||
if err != nil { |
||||
if err == io.EOF { |
||||
break |
||||
} |
||||
select { |
||||
case errC <- err: |
||||
case <-ctx.Done(): |
||||
} |
||||
} |
||||
if firstFile { |
||||
firstFile = false |
||||
if hdr.Name == exportVersionFilename { |
||||
data, err := ioutil.ReadAll(tr) |
||||
if err != nil { |
||||
select { |
||||
case errC <- err: |
||||
case <-ctx.Done(): |
||||
} |
||||
} |
||||
version = string(data) |
||||
continue |
||||
} |
||||
} |
||||
|
||||
if len(hdr.Name) != 64 { |
||||
log.Warn("ignoring non-chunk file", "name", hdr.Name) |
||||
continue |
||||
} |
||||
|
||||
keybytes, err := hex.DecodeString(hdr.Name) |
||||
if err != nil { |
||||
log.Warn("ignoring invalid chunk file", "name", hdr.Name, "err", err) |
||||
continue |
||||
} |
||||
|
||||
data, err := ioutil.ReadAll(tr) |
||||
if err != nil { |
||||
select { |
||||
case errC <- err: |
||||
case <-ctx.Done(): |
||||
} |
||||
} |
||||
key := chunk.Address(keybytes) |
||||
|
||||
var ch chunk.Chunk |
||||
switch version { |
||||
case legacyExportVersion: |
||||
// LDBStore Export exported chunk data prefixed with the chunk key.
|
||||
// That is not necessary, as the key is in the chunk filename,
|
||||
// but backward compatibility needs to be preserved.
|
||||
ch = chunk.NewChunk(key, data[32:]) |
||||
case currentExportVersion: |
||||
ch = chunk.NewChunk(key, data) |
||||
default: |
||||
select { |
||||
case errC <- fmt.Errorf("unsupported export data version %q", version): |
||||
case <-ctx.Done(): |
||||
} |
||||
} |
||||
tokenPool <- struct{}{} |
||||
wg.Add(1) |
||||
|
||||
go func() { |
||||
_, err := db.Put(ctx, chunk.ModePutUpload, ch) |
||||
select { |
||||
case errC <- err: |
||||
case <-ctx.Done(): |
||||
wg.Done() |
||||
<-tokenPool |
||||
default: |
||||
_, err := db.Put(ctx, chunk.ModePutUpload, ch) |
||||
if err != nil { |
||||
errC <- err |
||||
} |
||||
wg.Done() |
||||
<-tokenPool |
||||
} |
||||
}() |
||||
|
||||
count++ |
||||
} |
||||
wg.Wait() |
||||
close(doneC) |
||||
}() |
||||
|
||||
// wait for all chunks to be stored
|
||||
for { |
||||
select { |
||||
case err := <-errC: |
||||
if err != nil { |
||||
return count, err |
||||
} |
||||
case <-ctx.Done(): |
||||
return count, ctx.Err() |
||||
default: |
||||
select { |
||||
case <-doneC: |
||||
return count, nil |
||||
default: |
||||
} |
||||
} |
||||
} |
||||
} |
||||
@ -0,0 +1,80 @@ |
||||
// Copyright 2019 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 localstore |
||||
|
||||
import ( |
||||
"bytes" |
||||
"context" |
||||
"testing" |
||||
|
||||
"github.com/ethereum/go-ethereum/swarm/chunk" |
||||
) |
||||
|
||||
// TestExportImport constructs two databases, one to put and export
|
||||
// chunks and another one to import and validate that all chunks are
|
||||
// imported.
|
||||
func TestExportImport(t *testing.T) { |
||||
db1, cleanup1 := newTestDB(t, nil) |
||||
defer cleanup1() |
||||
|
||||
var chunkCount = 100 |
||||
|
||||
chunks := make(map[string][]byte, chunkCount) |
||||
for i := 0; i < chunkCount; i++ { |
||||
ch := generateTestRandomChunk() |
||||
|
||||
_, err := db1.Put(context.Background(), chunk.ModePutUpload, ch) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
chunks[string(ch.Address())] = ch.Data() |
||||
} |
||||
|
||||
var buf bytes.Buffer |
||||
|
||||
c, err := db1.Export(&buf) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
wantChunksCount := int64(len(chunks)) |
||||
if c != wantChunksCount { |
||||
t.Errorf("got export count %v, want %v", c, wantChunksCount) |
||||
} |
||||
|
||||
db2, cleanup2 := newTestDB(t, nil) |
||||
defer cleanup2() |
||||
|
||||
c, err = db2.Import(&buf, false) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
if c != wantChunksCount { |
||||
t.Errorf("got import count %v, want %v", c, wantChunksCount) |
||||
} |
||||
|
||||
for a, want := range chunks { |
||||
addr := chunk.Address([]byte(a)) |
||||
ch, err := db2.Get(context.Background(), chunk.ModeGetRequest, addr) |
||||
if err != nil { |
||||
t.Fatal(err) |
||||
} |
||||
got := ch.Data() |
||||
if !bytes.Equal(got, want) { |
||||
t.Fatalf("chunk %s: got data %x, want %x", addr.Hex(), got, want) |
||||
} |
||||
} |
||||
} |
||||
@ -0,0 +1,52 @@ |
||||
package localstore |
||||
|
||||
import ( |
||||
"github.com/ethereum/go-ethereum/swarm/log" |
||||
"github.com/syndtr/goleveldb/leveldb" |
||||
"github.com/syndtr/goleveldb/leveldb/opt" |
||||
) |
||||
|
||||
// The DB schema we want to use. The actual/current DB schema might differ
|
||||
// until migrations are run.
|
||||
const CurrentDbSchema = DbSchemaSanctuary |
||||
|
||||
// There was a time when we had no schema at all.
|
||||
const DbSchemaNone = "" |
||||
|
||||
// "purity" is the first formal schema of LevelDB we release together with Swarm 0.3.5
|
||||
const DbSchemaPurity = "purity" |
||||
|
||||
// "halloween" is here because we had a screw in the garbage collector index.
|
||||
// Because of that we had to rebuild the GC index to get rid of erroneous
|
||||
// entries and that takes a long time. This schema is used for bookkeeping,
|
||||
// so rebuild index will run just once.
|
||||
const DbSchemaHalloween = "halloween" |
||||
|
||||
const DbSchemaSanctuary = "sanctuary" |
||||
|
||||
// returns true if legacy database is in the datadir
|
||||
func IsLegacyDatabase(datadir string) bool { |
||||
|
||||
var ( |
||||
legacyDbSchemaKey = []byte{8} |
||||
) |
||||
|
||||
db, err := leveldb.OpenFile(datadir, &opt.Options{OpenFilesCacheCapacity: 128}) |
||||
if err != nil { |
||||
log.Error("got an error while trying to open leveldb path", "path", datadir, "err", err) |
||||
return false |
||||
} |
||||
defer db.Close() |
||||
|
||||
data, err := db.Get(legacyDbSchemaKey, nil) |
||||
if err != nil { |
||||
if err == leveldb.ErrNotFound { |
||||
// if we haven't found anything under the legacy db schema key- we are not on legacy
|
||||
return false |
||||
} |
||||
|
||||
log.Error("got an unexpected error fetching legacy name from the database", "err", err) |
||||
} |
||||
log.Trace("checking if database scheme is legacy", "schema name", string(data)) |
||||
return string(data) == DbSchemaHalloween || string(data) == DbSchemaPurity |
||||
} |
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue