Files
be.ems/lib/file/file.go
2023-08-14 17:02:50 +08:00

121 lines
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package file
import (
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"time"
"ems.agt/lib/dborm"
"ems.agt/lib/global"
"ems.agt/lib/log"
"ems.agt/lib/services"
"ems.agt/restagent/config"
"github.com/gorilla/mux"
)
const (
//经过测试linux下延时需要大于100ms
TIME_DELAY_AFTER_WRITE = 200
)
type Response struct {
Data []string `json:"data"`
}
type MMLRequest struct {
MML []string `json:"mml"`
}
func GetFile(w http.ResponseWriter, r *http.Request) {
log.Debug("PostMMLToNF processing... ")
vars := mux.Vars(r)
neType := vars["elementTypeValue"]
params := r.URL.Query()
neId := params["ne_id"]
log.Debug("neType:", neType, "neId", neId)
neInfo := new(dborm.NeInfo)
var err error
if len(neId) == 0 {
log.Error("ne_id NOT FOUND")
services.ResponseBadRequest400WrongParamValue(w)
return
}
neInfo, err = dborm.XormGetNeInfo(neType, neId[0])
if err != nil {
log.Error("dborm.XormGetNeInfo is failed:", err)
services.ResponseInternalServerError500DatabaseOperationFailed(w)
return
}
var buf [8192]byte
var n int
var mmlResult []string
if neInfo != nil {
hostMML := fmt.Sprintf("%s:%d", neInfo.Ip, config.GetYamlConfig().MML.Port)
conn, err := net.Dial("tcp", hostMML)
if err != nil {
errMsg := fmt.Sprintf("Failed to dial %s: %v", hostMML, err)
log.Error(errMsg)
mmlResult = append(mmlResult, errMsg)
response := Response{mmlResult}
services.ResponseWithJson(w, http.StatusOK, response)
return
}
loginStr := fmt.Sprintf("%s\n%s\n", config.GetYamlConfig().MML.User, config.GetYamlConfig().MML.Password)
n, err = conn.Write([]byte(loginStr))
if err != nil {
log.Errorf("Error: %s", err.Error())
return
}
time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
n, err = conn.Read(buf[0:])
if err != nil {
log.Errorf("Error: %s", err.Error())
return
}
log.Debug(string(buf[0:n]))
body, err := io.ReadAll(io.LimitReader(r.Body, global.RequestBodyMaxLen))
if err != nil {
log.Error("io.ReadAll is failed:", err)
services.ResponseNotFound404UriNotExist(w, r)
return
}
log.Debug("Body:", string(body))
mmlRequest := new(MMLRequest)
_ = json.Unmarshal(body, mmlRequest)
for _, mml := range mmlRequest.MML {
mmlCommand := fmt.Sprintf("%s\n", mml)
log.Debug("mml command:", mmlCommand)
n, err = conn.Write([]byte(mmlCommand))
if err != nil {
log.Errorf("Error: %s", err.Error())
return
}
time.Sleep(time.Millisecond * TIME_DELAY_AFTER_WRITE)
n, err = conn.Read(buf[0:])
if err != nil {
log.Errorf("Error: %s", err.Error())
return
}
log.Debug(string(buf[0 : n-len(neType)-2]))
mmlResult = append(mmlResult, string(buf[0:n-len(neType)-2]))
}
}
response := Response{mmlResult}
services.ResponseWithJson(w, http.StatusOK, response)
}