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subprocess.go
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subprocess.go
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package utils
import (
"context"
"io"
"os/exec"
"time"
)
type SubProcess struct {
Ctx context.Context
Cmd *exec.Cmd
StderrTickReader, StdoutTickReader io.Reader
stderrTickCallback func(interface{})
stdoutTickCallback func(interface{})
stdout, stderr []byte
}
func (s *SubProcess) Start() error {
return s.Cmd.Start()
}
func (s *SubProcess) Run() error {
return s.Cmd.Run()
}
func (s *SubProcess) CombinedOutput() ([]byte, error) {
return s.Cmd.CombinedOutput()
}
func NewSubProcess(ctx context.Context, name string, args ...string) *SubProcess {
process := &SubProcess{
Ctx: ctx,
Cmd: exec.CommandContext(ctx, name, args...),
}
// 设置 StdoutPipe
reader, err := process.Cmd.StdoutPipe()
if err != nil {
panic(err)
}
process.StdoutTickReader = reader
go ReadWithContextTickCallback(process.Ctx, process.StdoutTickReader, func(i []byte) bool {
if process.stdoutTickCallback != nil {
process.stdoutTickCallback(i)
}
process.stdout = i
return true
}, 2*time.Second)
reader, err = process.Cmd.StderrPipe()
if err != nil {
panic(err)
}
process.StderrTickReader = reader
go ReadWithContextTickCallback(process.Ctx, process.StderrTickReader, func(i []byte) bool {
if process.stderrTickCallback != nil {
process.stderrTickCallback(i)
}
process.stderr = i
return true
}, 2*time.Second)
return process
}
func (s *SubProcess) SetStdoutTickCallback(cb func(raws interface{})) {
s.stdoutTickCallback = cb
}
func (s *SubProcess) SetStderrTickCallback(cb func(raws interface{})) {
s.stderrTickCallback = cb
}
func (s *SubProcess) GetStdout() []byte {
return s.stdout
}
func (s *SubProcess) GetStderr() []byte {
return s.stderr
}