func (s *server) processIncoming(conn *printserver.ServerConn, msg *stomp.Message) error {
var job tickets.BinaryJob
if err := proto.Unmarshal(msg.Body, &job); err != nil {
log4go.Error("Received malformed job: %s", err)
return err
}
jobDir := filepath.Join(s.Workdir, job.GetJobId())
os.MkdirAll(jobDir, os.ModePerm) // err?
sourceName := fmt.Sprintf("%s.tex", job.GetJobId())
buf, err := job.GetData().Bytes()
if err != nil {
return err
}
if err = ioutil.WriteFile(filepath.Join(jobDir, sourceName), buf, os.ModePerm); err != nil {
return err
}
cmd := exec.Command("latex", "-interaction=batchmode", sourceName)
cmd.Dir, cmd.Stdin, cmd.Stdout, cmd.Stderr = jobDir, os.Stdin, os.Stdout, os.Stderr
if err = cmd.Run(); err != nil {
log.Printf("Latex error: %s\n", err)
return nil
}
cmd = exec.Command("latex", "-interaction=batchmode", sourceName)
cmd.Dir, cmd.Stdin, cmd.Stdout, cmd.Stderr = jobDir, os.Stdin, os.Stdout, os.Stderr
if err = cmd.Run(); err != nil {
log.Printf("Latex error: %s\n", err)
return nil
}
dviName := fmt.Sprintf("%s.dvi", job.GetJobId())
cmd = exec.Command("dvips", "-t", "a4", dviName)
cmd.Dir, cmd.Stdin, cmd.Stdout, cmd.Stderr = jobDir, os.Stdin, os.Stdout, os.Stderr
if err = cmd.Run(); err != nil {
log.Printf("Dvips error: %s\n", err)
return nil
}
psName := fmt.Sprintf("%s.ps", job.GetJobId())
content, err := ioutil.ReadFile(filepath.Join(jobDir, psName))
if err != nil {
log.Printf("Where's my file? %s\n", err)
return nil
}
cBlob, err := tickets.NewBlob(content)
if err != nil {
return err
}
result := tickets.BinaryJob{
JobId: job.JobId,
Printer: job.Printer,
Data: cBlob,
}
content, err = proto.Marshal(&result)
if err != nil {
return err
}
return conn.Send(&result)
}
