| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package replay |
| |
| import ( |
| "fmt" |
| "sync" |
| |
| "android.googlesource.com/platform/tools/gpu/binary" |
| "android.googlesource.com/platform/tools/gpu/binary/endian" |
| "android.googlesource.com/platform/tools/gpu/binary/flat" |
| "android.googlesource.com/platform/tools/gpu/database" |
| "android.googlesource.com/platform/tools/gpu/log" |
| "android.googlesource.com/platform/tools/gpu/replay/protocol" |
| "android.googlesource.com/platform/tools/gpu/service" |
| ) |
| |
| // discovery is used to find replay devices on the local machine and connected |
| // Android devices. |
| type discovery struct { |
| sync.Mutex |
| devices []Device |
| logger log.Logger |
| } |
| |
| func newDiscovery(db database.Database, logger log.Logger) *discovery { |
| m := &discovery{logger: logger} |
| go m.discoverLocalDevices(db) |
| go m.discoverAndroidDevices(db) |
| |
| return m |
| } |
| |
| func (d *discovery) device(id binary.ID) Device { |
| d.Lock() |
| defer d.Unlock() |
| for _, d := range d.devices { |
| if d.ID() == id { |
| return d |
| } |
| } |
| return nil |
| } |
| |
| func (d *discovery) getDevices() []Device { |
| d.Lock() |
| defer d.Unlock() |
| |
| return d.devices |
| } |
| |
| func (d *discovery) discoverAndroidDevices(db database.Database) { |
| dev := &androidDevice{deviceBase{device: &service.Device{ |
| Name: "Android device", |
| Model: "Unknown", |
| }}} |
| |
| if err := loadDeviceConfig(dev, db, d.logger); err == nil { |
| id, err := database.Store(dev.device, db, log.Nop{}) |
| if err != nil { |
| panic(err) |
| } |
| dev.id = id |
| |
| d.Lock() |
| defer d.Unlock() |
| d.devices = append(d.devices, dev) |
| } else { |
| log.Infof(d.logger, "Failed to communicate with Android device '%s': %v", dev.Info().Name, err) |
| } |
| } |
| |
| func (d *discovery) discoverLocalDevices(db database.Database) { |
| dev := &localDevice{deviceBase{device: &service.Device{ |
| Name: "Local machine", |
| Model: "Unknown", |
| }}} |
| |
| if err := loadDeviceConfig(dev, db, d.logger); err == nil { |
| id, err := database.Store(dev.device, db, log.Nop{}) |
| if err != nil { |
| panic(err) |
| } |
| dev.id = id |
| |
| d.Lock() |
| defer d.Unlock() |
| d.devices = append(d.devices, dev) |
| } else { |
| log.Warningf(d.logger, "Failed to communicate with local device '%s': %v", dev.Info().Name, err) |
| } |
| } |
| |
| func loadDeviceConfig(d Device, db database.Database, logger log.Logger) error { |
| connection, err := d.Connect() |
| if err != nil { |
| return err |
| } |
| defer connection.Close() |
| |
| // Endianness has yet to be discovered - we use Little for the hand-shaking. |
| enc := flat.Encoder(endian.Writer(connection, endian.Little)) |
| dec := flat.Decoder(endian.Reader(connection, endian.Little)) |
| |
| if err := enc.Uint8(uint8(protocol.ConnectionTypeDeviceInfo)); err != nil { |
| return err |
| } |
| |
| protocolVersion, err := dec.Uint32() |
| if err != nil { |
| return err |
| } |
| |
| td := d.Info() |
| |
| switch protocolVersion { |
| case 1: |
| td.PointerSize, err = dec.Uint8() |
| if err != nil { |
| return err |
| } |
| |
| td.PointerAlignment, err = dec.Uint8() |
| if err != nil { |
| return err |
| } |
| |
| // TODO: Integer size |
| // TODO: Endianness |
| |
| td.MaxMemorySize, err = dec.Uint64() |
| if err != nil { |
| return err |
| } |
| |
| var os deviceOS |
| if val, err := dec.Uint8(); err == nil { |
| os = deviceOS(val) |
| } else { |
| return err |
| } |
| td.OS = os.String() |
| |
| if td.Extensions, err = dec.String(); err != nil { |
| return err |
| } |
| if td.Renderer, err = dec.String(); err != nil { |
| return err |
| } |
| if td.Vendor, err = dec.String(); err != nil { |
| return err |
| } |
| if td.Version, err = dec.String(); err != nil { |
| return err |
| } |
| |
| default: |
| return fmt.Errorf("Unsupported device protocol version: %d", protocolVersion) |
| } |
| return nil |
| } |