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client.go
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/
client.go
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// Copyright (C) 2017 Google Inc.
//
// 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 (
"bytes"
"context"
"fmt"
"strings"
"time"
"github.com/google/gapid/core/app/crash"
"github.com/google/gapid/core/app/layout"
"github.com/google/gapid/core/event/task"
"github.com/google/gapid/core/log"
"github.com/google/gapid/core/os/device"
"github.com/google/gapid/core/os/device/bind"
"github.com/google/gapid/core/os/device/host"
"github.com/google/gapid/core/os/file"
"github.com/google/gapid/core/os/shell"
"github.com/google/gapid/test/robot/job"
"github.com/google/gapid/test/robot/job/worker"
"github.com/google/gapid/test/robot/stash"
)
const (
replayTimeout = time.Hour
// this string is returned when GAPIT fails to connect to the GAPIS, particularly due to ETXTBSY
// look at https://github.com/google/gapid/pull/933 for more information
retryString = "Failed to connect to the GAPIS server"
)
type client struct {
store *stash.Client
manager Manager
tempDir file.Path
}
// Run starts new replay client if any hardware is available.
func Run(ctx context.Context, store *stash.Client, manager Manager, tempDir file.Path) error {
c := &client{store: store, manager: manager, tempDir: tempDir}
job.OnDeviceAdded(ctx, c.onDeviceAdded)
host := host.Instance(ctx)
return manager.Register(ctx, host, host, c.replay)
}
func (c *client) onDeviceAdded(ctx context.Context, host *device.Instance, target bind.Device) {
replayOnTarget := func(ctx context.Context, t *Task) error {
job.LockDevice(ctx, target)
defer func() {
// HACK: kill gapid.apk manually for now as subsequent reports/replays may freeze the app.
// Remove when https://github.com/google/gapid/issues/1666 is fixed.
target.Shell("am", "force-stop", "com.google.android.gapid.aarch64").Run(ctx)
target.Shell("am", "force-stop", "com.google.android.gapid.armeabi").Run(ctx)
}()
defer job.UnlockDevice(ctx, target)
if target.Status() != bind.Status_Online {
log.I(ctx, "Trying to replay %s on %s not started, device status %s",
t.Input.Trace, target.Instance().GetSerial(), target.Status().String())
return nil
}
return c.replay(ctx, t)
}
crash.Go(func() {
if err := c.manager.Register(ctx, host, target.Instance(), replayOnTarget); err != nil {
log.E(ctx, "Error running replay client: %v", err)
}
})
}
func (c *client) replay(ctx context.Context, t *Task) error {
if err := c.manager.Update(ctx, t.Action, job.Running, nil); err != nil {
return err
}
var output *Output
err := worker.RetryFunction(ctx, 4, time.Millisecond*100, func() (err error) {
ctx, cancel := task.WithTimeout(ctx, replayTimeout)
defer cancel()
output, err = doReplay(ctx, t.Action, t.Input, c.store, c.tempDir)
return err
})
status := job.Succeeded
if err != nil {
status = job.Failed
log.E(ctx, "Error running replay: %v", err)
} else if output.Err != "" {
status = job.Failed
log.E(ctx, "Error during replay: %v", output.Err)
}
return c.manager.Update(ctx, t.Action, status, output)
}
// doReplay extracts input files and runs `gapit video` on them, capturing the output. The output object will
// be partially filled in the event of an upload error from store in order to allow examination of the logs.
func doReplay(ctx context.Context, action string, in *Input, store *stash.Client, tempDir file.Path) (*Output, error) {
tracefile := tempDir.Join(action + ".gfxtrace")
videofile := tempDir.Join(action + "_replay.mp4")
extractedDir := tempDir.Join(action + "_tools")
extractedLayout, err := layout.NewPkgLayout(extractedDir, true)
if err != nil {
return nil, err
}
gapit, err := extractedLayout.Gapit(ctx)
if err != nil {
return nil, err
}
gapir, err := extractedLayout.Gapir(ctx)
if err != nil {
return nil, err
}
gapis, err := extractedLayout.Gapis(ctx)
if err != nil {
return nil, err
}
vscLib, err := extractedLayout.Json(ctx, layout.LibVirtualSwapChain)
if err != nil {
return nil, err
}
vscJson, err := extractedLayout.Json(ctx, layout.LibVirtualSwapChain)
if err != nil {
return nil, err
}
defer func() {
file.Remove(tracefile)
file.Remove(videofile)
file.RemoveAll(extractedDir)
}()
for _, file := range []struct {
in string
out file.Path
}{
{in.Trace, tracefile},
{in.Gapit, gapit},
{in.Gapis, gapis},
{in.Gapir, gapir},
{in.VirtualSwapChainLib, vscLib},
{in.VirtualSwapChainJson, vscJson},
} {
if err := store.GetFile(ctx, file.in, file.out); err != nil {
return nil, err
}
}
if in.GetToolingLayout() != nil {
gapidAPK, err := extractedLayout.GapidApk(ctx, in.GetToolingLayout().GetGapidAbi())
if err != nil {
return nil, err
}
if err := store.GetFile(ctx, in.GapidApk, gapidAPK); err != nil {
return nil, err
}
}
params := []string{
"video",
"-gapir-device", in.GetGapirDevice(),
"-frames-minimum", "10",
"-type", "sxs",
"-out", videofile.System(),
tracefile.System(),
}
cmd := shell.Command(gapit.System(), params...)
outBuf := &bytes.Buffer{}
errBuf := &bytes.Buffer{}
outputObj := &Output{}
errs := []string{}
log.I(ctx, "Running replay action %s", cmd)
if err := cmd.Capture(outBuf, errBuf).Run(ctx); err != nil {
if err := worker.NeedsRetry(err.Error()); err != nil {
return nil, err
}
errs = append(errs, err.Error())
}
errs = append(errs, strings.TrimSpace(errBuf.String()))
outputObj.Err = strings.Join(errs, "\n")
if err := worker.NeedsRetry(outputObj.Err, retryString); err != nil {
return nil, err
}
output := fmt.Sprintf("%s\n\n%s\n%s\n\n", cmd, strings.TrimSpace(outBuf.String()), strings.TrimSpace(errBuf.String()))
log.I(ctx, output)
logID, err := store.UploadString(ctx, stash.Upload{Name: []string{"replay.log"}, Type: []string{"text/plain"}}, output)
if err != nil {
return outputObj, err
}
outputObj.Log = logID
videoID, err := store.UploadFile(ctx, videofile)
if err != nil {
return outputObj, err
}
outputObj.Video = videoID
return outputObj, nil
}