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// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package model
import (
"bytes"
"context"
"sync"
"time"
"github.com/syncthing/syncthing/lib/protocol"
protocolmocks "github.com/syncthing/syncthing/lib/protocol/mocks"
"github.com/syncthing/syncthing/lib/rand"
"github.com/syncthing/syncthing/lib/scanner"
)
type downloadProgressMessage struct {
folder string
updates []protocol.FileDownloadProgressUpdate
}
func newFakeConnection(id protocol.DeviceID, model Model) *fakeConnection {
f := &fakeConnection{
Connection: new(protocolmocks.Connection),
id: id,
model: model,
closed: make(chan struct{}),
}
f.RequestCalls(func(ctx context.Context, folder, name string, blockNo int, offset int64, size int, hash []byte, weakHash uint32, fromTemporary bool) ([]byte, error) {
return f.fileData[name], nil
})
f.DeviceIDReturns(id)
f.ConnectionIDReturns(rand.String(16))
f.CloseCalls(func(err error) {
f.closeOnce.Do(func() {
close(f.closed)
model.Closed(f, err)
})
f.ClosedReturns(f.closed)
})
f.StringReturns(rand.String(8))
return f
}
type fakeConnection struct {
*protocolmocks.Connection
id protocol.DeviceID
downloadProgressMessages []downloadProgressMessage
files []protocol.FileInfo
fileData map[string][]byte
folder string
model Model
closed chan struct{}
closeOnce sync.Once
mut sync.Mutex
}
func (f *fakeConnection) setIndexFn(fn func(_ context.Context, folder string, fs []protocol.FileInfo) error) {
f.IndexCalls(fn)
f.IndexUpdateCalls(fn)
}
func (f *fakeConnection) DownloadProgress(_ context.Context, folder string, updates []protocol.FileDownloadProgressUpdate) {
f.downloadProgressMessages = append(f.downloadProgressMessages, downloadProgressMessage{
folder: folder,
updates: updates,
})
}
func (f *fakeConnection) addFileLocked(name string, flags uint32, ftype protocol.FileInfoType, data []byte, version protocol.Vector, localFlags uint32) {
blockSize := protocol.BlockSize(int64(len(data)))
blocks, _ := scanner.Blocks(context.TODO(), bytes.NewReader(data), blockSize, int64(len(data)), nil, true)
file := protocol.FileInfo{
Name: name,
Type: ftype,
Version: version,
Sequence: time.Now().UnixNano(),
LocalFlags: localFlags,
}
switch ftype {
case protocol.FileInfoTypeFile, protocol.FileInfoTypeDirectory:
file.ModifiedS = time.Now().Unix()
file.Permissions = flags
if ftype == protocol.FileInfoTypeFile {
file.Size = int64(len(data))
file.RawBlockSize = blockSize
file.Blocks = blocks
}
default: // Symlink
file.Name = name
file.Type = ftype
file.Version = version
file.SymlinkTarget = string(data)
file.NoPermissions = true
}
f.files = append(f.files, file)
if f.fileData == nil {
f.fileData = make(map[string][]byte)
}
f.fileData[name] = data
}
func (f *fakeConnection) addFileWithLocalFlags(name string, ftype protocol.FileInfoType, localFlags uint32) {
f.mut.Lock()
defer f.mut.Unlock()
var version protocol.Vector
version = version.Update(f.id.Short())
f.addFileLocked(name, 0, ftype, nil, version, localFlags)
}
func (f *fakeConnection) addFile(name string, flags uint32, ftype protocol.FileInfoType, data []byte) {
f.mut.Lock()
defer f.mut.Unlock()
var version protocol.Vector
version = version.Update(f.id.Short())
f.addFileLocked(name, flags, ftype, data, version, 0)
}
func (f *fakeConnection) updateFile(name string, flags uint32, ftype protocol.FileInfoType, data []byte) {
f.mut.Lock()
defer f.mut.Unlock()
for i, fi := range f.files {
if fi.Name == name {
f.files = append(f.files[:i], f.files[i+1:]...)
f.addFileLocked(name, flags, ftype, data, fi.Version.Update(f.id.Short()), 0)
return
}
}
}
func (f *fakeConnection) deleteFile(name string) {
f.mut.Lock()
defer f.mut.Unlock()
for i, fi := range f.files {
if fi.Name == name {
fi.Deleted = true
fi.ModifiedS = time.Now().Unix()
fi.Version = fi.Version.Update(f.id.Short())
fi.Sequence = time.Now().UnixNano()
fi.Blocks = nil
f.files = append(append(f.files[:i], f.files[i+1:]...), fi)
return
}
}
}
func (f *fakeConnection) sendIndexUpdate() {
toSend := make([]protocol.FileInfo, len(f.files))
for i := range f.files {
toSend[i] = prepareFileInfoForIndex(f.files[i])
}
f.model.IndexUpdate(f, &protocol.IndexUpdate{Folder: f.folder, Files: toSend})
}
func addFakeConn(m *testModel, dev protocol.DeviceID, folderID string) *fakeConnection {
fc := newFakeConnection(dev, m)
fc.folder = folderID
m.AddConnection(fc, protocol.Hello{})
m.ClusterConfig(fc, &protocol.ClusterConfig{
Folders: []protocol.Folder{
{
ID: folderID,
Devices: []protocol.Device{
{ID: myID},
{ID: dev},
},
},
},
})
return fc
}
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