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100 lines
2.1 KiB
100 lines
2.1 KiB
package main
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import (
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"net"
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"os"
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"os/exec"
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"time"
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pb "github.com/codeskyblue/gosuv/gosuvpb"
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"golang.org/x/net/context"
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)
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type PbProgram struct {
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}
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func (this *PbProgram) Start(ctx context.Context, in *pb.Request) (res *pb.Response, err error) {
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res = &pb.Response{}
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program, err := programTable.Get(in.Name)
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if err != nil {
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return
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}
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program.InputData(EVENT_START)
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res.Message = in.Name + ": started"
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return res, nil
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}
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func (this *PbProgram) Stop(ctx context.Context, in *pb.Request) (res *pb.Response, err error) {
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res = &pb.Response{}
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program, err := programTable.Get(in.Name)
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if err != nil {
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return
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}
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program.InputData(EVENT_STOP)
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res.Message = in.Name + ": stopped"
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return res, nil
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}
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//func (this *PbProgram) Tail(ctx context.Context, in *pb.Request)(stream
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func (c *PbProgram) Tail(in *pb.Request, stream pb.Program_TailServer) (err error) {
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program, err := programTable.Get(in.Name)
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if err != nil {
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return
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}
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cmd := exec.Command("tail", "-n5", "-f", program.logFilePath())
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rd, err := cmd.StdoutPipe()
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go cmd.Run()
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defer func() {
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if cmd.Process != nil {
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cmd.Process.Kill()
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}
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}()
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buf := make([]byte, 1024)
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for {
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nr, err := rd.Read(buf)
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if err != nil {
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break
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}
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line := &pb.LogLine{Line: string(buf[:nr])}
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if err = stream.Send(line); err != nil {
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return err
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}
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}
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return nil
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}
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type PbSuvServer struct {
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lis net.Listener
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}
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func (s *PbSuvServer) Shutdown(ctx context.Context, in *pb.NopRequest) (*pb.Response, error) {
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go func() {
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time.Sleep(50 * time.Millisecond)
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s.lis.Close()
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programTable.StopAll()
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os.Exit(2)
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}()
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res := &pb.Response{}
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res.Message = "gosuv shutdown"
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return res, nil
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}
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func (s *PbSuvServer) Version(ctx context.Context, in *pb.NopRequest) (res *pb.Response, err error) {
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res = &pb.Response{
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Message: GOSUV_VERSION,
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}
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return
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}
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func (s *PbSuvServer) Status(ctx context.Context, in *pb.NopRequest) (res *pb.StatusResponse, err error) {
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res = &pb.StatusResponse{}
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for _, program := range programTable.Programs() {
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ps := &pb.ProgramStatus{}
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ps.Name = program.Info.Name
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ps.Status = program.Status
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ps.Extra = "..."
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res.Programs = append(res.Programs, ps)
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}
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return
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}
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