151 lines
3.5 KiB
Go
151 lines
3.5 KiB
Go
// Copyright 2018 Google Inc. All rights reserved.
|
|
//
|
|
// 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 status
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
"android/soong/ui/logger"
|
|
"android/soong/ui/status/ninja_frontend"
|
|
)
|
|
|
|
// NinjaReader reads the protobuf frontend format from ninja and translates it
|
|
// into calls on the ToolStatus API.
|
|
func NinjaReader(ctx logger.Logger, status ToolStatus, fifo string) {
|
|
os.Remove(fifo)
|
|
|
|
err := syscall.Mkfifo(fifo, 0666)
|
|
if err != nil {
|
|
ctx.Fatalf("Failed to mkfifo(%q): %v", fifo, err)
|
|
}
|
|
|
|
go ninjaReader(status, fifo)
|
|
}
|
|
|
|
func ninjaReader(status ToolStatus, fifo string) {
|
|
f, err := os.Open(fifo)
|
|
if err != nil {
|
|
status.Error(fmt.Sprintf("Failed to open fifo: %v", err))
|
|
}
|
|
defer f.Close()
|
|
|
|
r := bufio.NewReader(f)
|
|
|
|
running := map[uint32]*Action{}
|
|
|
|
for {
|
|
size, err := readVarInt(r)
|
|
if err != nil {
|
|
if err != io.EOF {
|
|
status.Error(fmt.Sprintf("Got error reading from ninja: %s", err))
|
|
}
|
|
return
|
|
}
|
|
|
|
buf := make([]byte, size)
|
|
_, err = io.ReadFull(r, buf)
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
status.Print(fmt.Sprintf("Missing message of size %d from ninja\n", size))
|
|
} else {
|
|
status.Error(fmt.Sprintf("Got error reading from ninja: %s", err))
|
|
}
|
|
return
|
|
}
|
|
|
|
msg := &ninja_frontend.Status{}
|
|
err = proto.Unmarshal(buf, msg)
|
|
if err != nil {
|
|
status.Print(fmt.Sprintf("Error reading message from ninja: %v", err))
|
|
continue
|
|
}
|
|
|
|
// Ignore msg.BuildStarted
|
|
if msg.TotalEdges != nil {
|
|
status.SetTotalActions(int(msg.TotalEdges.GetTotalEdges()))
|
|
}
|
|
if msg.EdgeStarted != nil {
|
|
action := &Action{
|
|
Description: msg.EdgeStarted.GetDesc(),
|
|
Outputs: msg.EdgeStarted.Outputs,
|
|
Command: msg.EdgeStarted.GetCommand(),
|
|
}
|
|
status.StartAction(action)
|
|
running[msg.EdgeStarted.GetId()] = action
|
|
}
|
|
if msg.EdgeFinished != nil {
|
|
if started, ok := running[msg.EdgeFinished.GetId()]; ok {
|
|
delete(running, msg.EdgeFinished.GetId())
|
|
|
|
var err error
|
|
exitCode := int(msg.EdgeFinished.GetStatus())
|
|
if exitCode != 0 {
|
|
err = fmt.Errorf("exited with code: %d", exitCode)
|
|
}
|
|
|
|
status.FinishAction(ActionResult{
|
|
Action: started,
|
|
Output: msg.EdgeFinished.GetOutput(),
|
|
Error: err,
|
|
})
|
|
}
|
|
}
|
|
if msg.Message != nil {
|
|
message := "ninja: " + msg.Message.GetMessage()
|
|
switch msg.Message.GetLevel() {
|
|
case ninja_frontend.Status_Message_INFO:
|
|
status.Status(message)
|
|
case ninja_frontend.Status_Message_WARNING:
|
|
status.Print("warning: " + message)
|
|
case ninja_frontend.Status_Message_ERROR:
|
|
status.Error(message)
|
|
default:
|
|
status.Print(message)
|
|
}
|
|
}
|
|
if msg.BuildFinished != nil {
|
|
status.Finish()
|
|
}
|
|
}
|
|
}
|
|
|
|
func readVarInt(r *bufio.Reader) (int, error) {
|
|
ret := 0
|
|
shift := uint(0)
|
|
|
|
for {
|
|
b, err := r.ReadByte()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
ret += int(b&0x7f) << (shift * 7)
|
|
if b&0x80 == 0 {
|
|
break
|
|
}
|
|
shift += 1
|
|
if shift > 4 {
|
|
return 0, fmt.Errorf("Expected varint32 length-delimited message")
|
|
}
|
|
}
|
|
|
|
return ret, nil
|
|
}
|