go-judge/worker/file.go

86 lines
2.1 KiB
Go

package worker
import (
"fmt"
"github.com/criyle/go-judge/envexec"
"github.com/criyle/go-judge/file"
"github.com/criyle/go-judge/filestore"
)
// CmdFile defines file used in the cmd
type CmdFile interface {
// EnvFile prepares file for envexec file
EnvFile(fs filestore.FileStore) (interface{}, error)
// Stringer to print debug infomation
String() string
}
var (
_ CmdFile = &LocalFile{}
_ CmdFile = &MemoryFile{}
_ CmdFile = &CachedFile{}
_ CmdFile = &PipeCollector{}
)
// LocalFile defines file stores on the local file system
type LocalFile struct {
Src string
}
// EnvFile prepares file for envexec file
func (f *LocalFile) EnvFile(fs filestore.FileStore) (interface{}, error) {
return file.NewLocalFile(f.Src, f.Src), nil
}
func (f *LocalFile) String() string {
return fmt.Sprintf("local:%s", f.Src)
}
// MemoryFile defines file stores in the memory
type MemoryFile struct {
Content []byte
}
// EnvFile prepares file for envexec file
func (f *MemoryFile) EnvFile(fs filestore.FileStore) (interface{}, error) {
return file.NewMemFile("", f.Content), nil
}
func (f *MemoryFile) String() string {
return fmt.Sprintf("memory:(len:%d)", len(f.Content))
}
// CachedFile defines file cached in the file store
type CachedFile struct {
FileID string
}
// EnvFile prepares file for envexec file
func (f *CachedFile) EnvFile(fs filestore.FileStore) (interface{}, error) {
fd := fs.Get(f.FileID)
if fd == nil {
return nil, fmt.Errorf("file not exists with id %v", f.FileID)
}
return fd, nil
}
func (f *CachedFile) String() string {
return fmt.Sprintf("cached:(fileId:%s)", f.FileID)
}
// PipeCollector defines on the output (stdout / stderr) to be collected over pipe
type PipeCollector struct {
Name string // pseudo name generated into copyOut
Max int64 // max size to be collected
}
// EnvFile prepares file for envexec file
func (f *PipeCollector) EnvFile(fs filestore.FileStore) (interface{}, error) {
return envexec.PipeCollector{Name: f.Name, SizeLimit: f.Max}, nil
}
func (f *PipeCollector) String() string {
return fmt.Sprintf("pipeCollector:(name:%s,max:%d)", f.Name, f.Max)
}