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gosuv/old/serv_cmds.go

132 lines
3.1 KiB

package main
import (
"fmt"
"log"
"os"
"os/exec"
"time"
pb "github.com/codeskyblue/gosuv/gosuvpb"
. "github.com/codeskyblue/gosuv/program"
"golang.org/x/net/context"
)
func (s *PbSuvServer) Create(ctx context.Context, in *pb.ProgramInfo) (*pb.Response, error) {
pinfo := new(ProgramInfo)
pinfo.Name = in.Name
pinfo.Command = in.Command
pinfo.Dir = in.Directory
pinfo.Environ = in.Environ
pinfo.AutoStart = true
log.Println(in.Name)
program := NewProgram(pinfo)
if err := programTable.AddProgram(program); err != nil {
return nil, err
}
program.InputData(EVENT_START)
res := new(pb.Response)
res.Code = 200
res.Message = fmt.Sprintf("%s: created", pinfo.Name)
return res, nil
}
func (s *PbSuvServer) Shutdown(ctx context.Context, in *pb.NopRequest) (*pb.Response, error) {
go func() {
time.Sleep(50 * time.Millisecond)
s.lis.Close()
programTable.StopAll()
os.Exit(2)
}()
res := &pb.Response{}
res.Message = "gosuv shutdown"
return res, nil
}
func (s *PbSuvServer) Version(ctx context.Context, in *pb.NopRequest) (res *pb.Response, err error) {
res = &pb.Response{
Message: GOSUV_VERSION,
}
return
}
func (s *PbSuvServer) Status(ctx context.Context, in *pb.NopRequest) (res *pb.StatusResponse, err error) {
res = &pb.StatusResponse{}
for _, program := range programTable.Programs() {
ps := &pb.ProgramStatus{}
ps.Name = program.Info.Name
ps.Status = program.Status
ps.Extra = "..."
res.Programs = append(res.Programs, ps)
}
return
}
type PbProgram struct{}
func (this *PbProgram) Start(ctx context.Context, in *pb.Request) (res *pb.Response, err error) {
res = &pb.Response{}
program, err := programTable.Get(in.Name)
if err != nil {
return
}
program.InputData(EVENT_START)
if program.Status == ST_RUNNING {
res.Message = in.Name + ": already started"
} else {
res.Message = in.Name + ": started"
}
return res, nil
}
func (this *PbProgram) Stop(ctx context.Context, in *pb.Request) (res *pb.Response, err error) {
res = &pb.Response{}
program, err := programTable.Get(in.Name)
if err != nil {
return
}
program.InputData(EVENT_STOP)
res.Message = in.Name + ": stopped"
return res, nil
}
// Remove(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
func (s *PbProgram) Remove(ctx context.Context, in *pb.Request) (res *pb.Response, err error) {
res = &pb.Response{}
err = programTable.Remove(in.Name)
res.Message = fmt.Sprintf("Program %s removed.", in.Name)
return
}
//func (this *PbProgram) Tail(ctx context.Context, in *pb.Request)(stream
func (c *PbProgram) Tail(in *pb.TailRequest, stream pb.Program_TailServer) (err error) {
program, err := programTable.Get(in.Name)
if err != nil {
return
}
args := []string{"-n", fmt.Sprintf("%d", in.Number)}
if in.Follow {
args = append(args, "-f")
}
cmd := exec.Command("tail", append(args, program.LogFilePath())...)
rd, err := cmd.StdoutPipe()
go cmd.Run()
defer func() {
if cmd.Process != nil {
cmd.Process.Kill()
}
}()
buf := make([]byte, 1024)
for {
nr, err := rd.Read(buf)
if err != nil {
break
}
line := &pb.LogLine{Line: string(buf[:nr])}
if err = stream.Send(line); err != nil {
return err
}
}
return nil
}