mirror of
https://github.com/criyle/go-judge.git
synced 2025-11-04 14:50:02 +08:00
288 lines
6.8 KiB
Go
288 lines
6.8 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/creack/pty"
|
|
"github.com/criyle/go-judge/filestore"
|
|
"github.com/criyle/go-judge/pb"
|
|
"github.com/criyle/go-judge/worker"
|
|
)
|
|
|
|
const buffLen = 4096
|
|
|
|
var buffPool = sync.Pool{
|
|
New: func() interface{} {
|
|
return make([]byte, buffLen)
|
|
},
|
|
}
|
|
|
|
type execServer struct {
|
|
pb.UnimplementedExecutorServer
|
|
fs filestore.FileStore
|
|
srcPrefix string
|
|
}
|
|
|
|
func (e *execServer) Exec(ctx context.Context, req *pb.Request) (*pb.Response, error) {
|
|
r, si, so, err := convertPBRequest(req, e.srcPrefix)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(si) > 0 || len(so) > 0 {
|
|
return nil, fmt.Errorf("Stream in / out are not avaliable for exec request")
|
|
}
|
|
rt := <-work.Submit(ctx, r)
|
|
execObserve(rt)
|
|
if rt.Error != nil {
|
|
return nil, err
|
|
}
|
|
return convertPBResponse(rt), nil
|
|
}
|
|
|
|
func (e *execServer) FileList(c context.Context, n *pb.Empty) (*pb.FileListType, error) {
|
|
return &pb.FileListType{
|
|
FileIDs: e.fs.List(),
|
|
}, nil
|
|
}
|
|
|
|
func (e *execServer) FileGet(c context.Context, f *pb.FileID) (*pb.FileContent, error) {
|
|
file := e.fs.Get(f.GetFileID())
|
|
content, err := file.Content()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &pb.FileContent{
|
|
Name: file.Name(),
|
|
Content: content,
|
|
}, nil
|
|
}
|
|
|
|
func (e *execServer) FileAdd(c context.Context, fc *pb.FileContent) (*pb.FileID, error) {
|
|
fid, err := e.fs.Add(fc.GetName(), fc.GetContent())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &pb.FileID{
|
|
FileID: fid,
|
|
}, nil
|
|
}
|
|
|
|
func (e *execServer) FileDelete(c context.Context, f *pb.FileID) (*pb.Empty, error) {
|
|
ok := e.fs.Remove(f.GetFileID())
|
|
if !ok {
|
|
return nil, fmt.Errorf("file id does not exists for %v", f.GetFileID())
|
|
}
|
|
return &pb.Empty{}, nil
|
|
}
|
|
|
|
func convertPBResponse(r worker.Response) *pb.Response {
|
|
res := &pb.Response{
|
|
RequestID: r.RequestID,
|
|
Results: make([]*pb.Response_Result, 0, len(r.Results)),
|
|
}
|
|
for _, c := range r.Results {
|
|
res.Results = append(res.Results, convertPBResult(c))
|
|
}
|
|
if r.Error != nil {
|
|
res.Error = r.Error.Error()
|
|
}
|
|
return res
|
|
}
|
|
|
|
func convertPBResult(r worker.Result) *pb.Response_Result {
|
|
return &pb.Response_Result{
|
|
Status: pb.Response_Result_StatusType(r.Status),
|
|
ExitStatus: int32(r.ExitStatus),
|
|
Error: r.Error,
|
|
Time: r.Time,
|
|
RunTime: r.RunTime,
|
|
Memory: r.Memory,
|
|
Files: r.Files,
|
|
FileIDs: r.FileIDs,
|
|
}
|
|
}
|
|
|
|
func convertPBRequest(r *pb.Request, srcPrefix string) (req *worker.Request, streamIn []*fileStreamIn, streamOut []*fileStreamOut, err error) {
|
|
defer func() {
|
|
if err != nil {
|
|
for _, fi := range streamIn {
|
|
fi.Close()
|
|
}
|
|
streamIn = nil
|
|
for _, fi := range streamOut {
|
|
fi.Close()
|
|
}
|
|
streamOut = nil
|
|
}
|
|
}()
|
|
req = &worker.Request{
|
|
RequestID: r.RequestID,
|
|
Cmd: make([]worker.Cmd, 0, len(r.Cmd)),
|
|
PipeMapping: make([]worker.PipeMap, 0, len(r.PipeMapping)),
|
|
}
|
|
for _, c := range r.Cmd {
|
|
cm, si, so, err := convertPBCmd(c, srcPrefix)
|
|
streamIn = append(streamIn, si...)
|
|
streamOut = append(streamOut, so...)
|
|
if err != nil {
|
|
return nil, streamIn, streamOut, err
|
|
}
|
|
req.Cmd = append(req.Cmd, cm)
|
|
}
|
|
for _, p := range r.PipeMapping {
|
|
pm := convertPBPipeMap(p)
|
|
req.PipeMapping = append(req.PipeMapping, pm)
|
|
}
|
|
return req, streamIn, streamOut, nil
|
|
}
|
|
|
|
func convertPBPipeMap(p *pb.Request_PipeMap) worker.PipeMap {
|
|
return worker.PipeMap{
|
|
In: worker.PipeIndex{
|
|
Index: int(p.GetIn().GetIndex()),
|
|
Fd: int(p.GetIn().GetFd()),
|
|
},
|
|
Out: worker.PipeIndex{
|
|
Index: int(p.GetOut().GetIndex()),
|
|
Fd: int(p.GetOut().GetFd()),
|
|
},
|
|
}
|
|
}
|
|
|
|
func convertPBCmd(c *pb.Request_CmdType, srcPrefix string) (cm worker.Cmd, streamIn []*fileStreamIn, streamOut []*fileStreamOut, err error) {
|
|
defer func() {
|
|
if err != nil {
|
|
for _, fi := range streamIn {
|
|
fi.Close()
|
|
}
|
|
streamIn = nil
|
|
for _, fi := range streamOut {
|
|
fi.Close()
|
|
}
|
|
streamOut = nil
|
|
}
|
|
}()
|
|
cm = worker.Cmd{
|
|
Args: c.GetArgs(),
|
|
Env: c.GetEnv(),
|
|
TTY: c.GetTty(),
|
|
CPULimit: c.GetCPULimit(),
|
|
RealCPULimit: c.GetRealCPULimit(),
|
|
MemoryLimit: c.GetMemoryLimit(),
|
|
StackLimit: c.GetStackLimit(),
|
|
ProcLimit: c.GetProcLimit(),
|
|
CopyOut: c.GetCopyOut(),
|
|
CopyOutCached: c.GetCopyOutCached(),
|
|
CopyOutMax: c.GetCopyOutMax(),
|
|
CopyOutDir: c.GetCopyOutDir(),
|
|
}
|
|
var (
|
|
fPty, fTty *os.File
|
|
ttyOut *fileStreamOut
|
|
)
|
|
for _, f := range c.GetFiles() {
|
|
var cf worker.CmdFile
|
|
switch fi := f.File.(type) {
|
|
case *pb.Request_File_StreamIn:
|
|
var si *fileStreamIn
|
|
if fi.StreamIn.Tty {
|
|
fPty, fTty, err = pty.Open()
|
|
if err != nil {
|
|
return cm, streamIn, streamOut, err
|
|
}
|
|
si = &fileStreamIn{
|
|
name: fi.StreamIn.GetName(),
|
|
w: fPty,
|
|
r: fTty,
|
|
}
|
|
streamIn = append(streamIn, si)
|
|
} else {
|
|
si, err = newFileStreamIn(fi.StreamIn.GetName())
|
|
if err == nil {
|
|
streamIn = append(streamIn, si)
|
|
}
|
|
}
|
|
cf = si
|
|
|
|
case *pb.Request_File_StreamOut:
|
|
var so *fileStreamOut
|
|
if fPty != nil {
|
|
if ttyOut == nil {
|
|
ttyOut = &fileStreamOut{
|
|
name: fi.StreamOut.GetName(),
|
|
w: fTty,
|
|
r: fPty,
|
|
}
|
|
streamOut = append(streamOut, ttyOut)
|
|
}
|
|
so = ttyOut
|
|
} else {
|
|
so, err = newFileStreamOut(fi.StreamOut.GetName())
|
|
if err == nil {
|
|
streamOut = append(streamOut, so)
|
|
}
|
|
}
|
|
cf = so
|
|
|
|
default:
|
|
cf, err = convertPBFile(f, srcPrefix)
|
|
}
|
|
if err != nil {
|
|
return cm, streamIn, streamOut, err
|
|
}
|
|
cm.Files = append(cm.Files, cf)
|
|
}
|
|
if copyIn := c.GetCopyIn(); copyIn != nil {
|
|
cm.CopyIn = make(map[string]worker.CmdFile)
|
|
for k, f := range copyIn {
|
|
cf, err := convertPBFile(f, srcPrefix)
|
|
if err != nil {
|
|
return cm, streamIn, streamOut, err
|
|
}
|
|
cm.CopyIn[k] = cf
|
|
}
|
|
}
|
|
return cm, streamIn, streamOut, nil
|
|
}
|
|
|
|
func convertPBFile(c *pb.Request_File, srcPrefix string) (worker.CmdFile, error) {
|
|
switch c := c.File.(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case *pb.Request_File_Local:
|
|
if srcPrefix != "" {
|
|
ok, err := checkPathPrefix(c.Local.GetSrc(), srcPrefix)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if !ok {
|
|
return nil, fmt.Errorf("file (%s) does not under (%s)", c.Local.GetSrc(), srcPrefix)
|
|
}
|
|
}
|
|
return &worker.LocalFile{Src: c.Local.GetSrc()}, nil
|
|
case *pb.Request_File_Memory:
|
|
return &worker.MemoryFile{Content: c.Memory.GetContent()}, nil
|
|
case *pb.Request_File_Cached:
|
|
return &worker.CachedFile{FileID: c.Cached.GetFileID()}, nil
|
|
case *pb.Request_File_Pipe:
|
|
return &worker.PipeCollector{Name: c.Pipe.GetName(), Max: c.Pipe.GetMax()}, nil
|
|
}
|
|
return nil, fmt.Errorf("request file type not supported yet %v", c)
|
|
}
|
|
|
|
func checkPathPrefix(path, prefix string) (bool, error) {
|
|
if filepath.IsAbs(path) {
|
|
return strings.HasPrefix(filepath.Clean(path), prefix), nil
|
|
}
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return strings.HasPrefix(filepath.Join(wd, path), prefix), nil
|
|
}
|