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51 lines
1.1 KiB
51 lines
1.1 KiB
package ctlcmd
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import (
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"io"
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"os"
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"os/exec"
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"strings"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/platform"
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)
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//go:generate go run v2ray.com/core/common/errors/errorgen
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func Run(args []string, input io.Reader) (buf.MultiBuffer, error) {
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v2ctl := platform.GetToolLocation("v2ctl")
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if _, err := os.Stat(v2ctl); err != nil {
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return nil, newError("v2ctl doesn't exist").Base(err)
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}
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var errBuffer buf.MultiBufferContainer
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var outBuffer buf.MultiBufferContainer
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cmd := exec.Command(v2ctl, args...)
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cmd.Stderr = &errBuffer
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cmd.Stdout = &outBuffer
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cmd.SysProcAttr = getSysProcAttr()
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if input != nil {
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cmd.Stdin = input
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}
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if err := cmd.Start(); err != nil {
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return nil, newError("failed to start v2ctl").Base(err)
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}
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if err := cmd.Wait(); err != nil {
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msg := "failed to execute v2ctl"
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if errBuffer.Len() > 0 {
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msg += ": \n" + strings.TrimSpace(errBuffer.MultiBuffer.String())
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}
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return nil, newError(msg).Base(err)
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}
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// log stderr, info message
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if !errBuffer.IsEmpty() {
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newError("<v2ctl message> \n", strings.TrimSpace(errBuffer.MultiBuffer.String())).AtInfo().WriteToLog()
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}
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return outBuffer.MultiBuffer, nil
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}
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