891 lines
19 KiB
Go
891 lines
19 KiB
Go
// Copyright (c) 2014, B3log
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Build, run and go tool manipulations.
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package output
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import (
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"bufio"
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"encoding/json"
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"io"
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"io/ioutil"
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"math/rand"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/i18n"
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"github.com/b3log/wide/session"
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"github.com/b3log/wide/util"
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"github.com/golang/glog"
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"github.com/gorilla/websocket"
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)
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const (
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lintSeverityError = "error" // lint severity: error
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lintSeverityWarn = "warning" // lint severity: warning
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)
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// Code lint.
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type Lint struct {
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File string `json:"file"`
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LineNo int `json:"lineNo"`
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Severity string `json:"severity"`
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Msg string `json:"msg"`
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}
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// WSHandler handles request of creating output channel.
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func WSHandler(w http.ResponseWriter, r *http.Request) {
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sid := r.URL.Query()["sid"][0]
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conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
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wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
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ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-output"}
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err := wsChan.WriteJSON(&ret)
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if nil != err {
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return
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}
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session.OutputWS[sid] = &wsChan
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glog.V(4).Infof("Open a new [Output] with session [%s], %d", sid, len(session.OutputWS))
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}
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// RunHandler handles request of executing a binary file.
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func RunHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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glog.Error(err)
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data["succ"] = false
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}
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sid := args["sid"].(string)
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wSession := session.WideSessions.Get(sid)
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if nil == wSession {
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data["succ"] = false
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}
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filePath := args["executable"].(string)
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curDir := filepath.Dir(filePath)
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cmd := exec.Command(filePath)
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cmd.Dir = curDir
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stdout, err := cmd.StdoutPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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}
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stderr, err := cmd.StderrPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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}
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outReader := util.NewReader(stdout)
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errReader := util.NewReader(stderr)
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if err := cmd.Start(); nil != err {
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glog.Error(err)
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data["succ"] = false
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}
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wsChannel := session.OutputWS[sid]
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channelRet := map[string]interface{}{}
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if !data["succ"].(bool) {
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if nil != wsChannel {
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channelRet["cmd"] = "run-done"
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channelRet["output"] = ""
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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return
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}
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wsChannel.Refresh()
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}
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return
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}
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channelRet["pid"] = cmd.Process.Pid
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// add the process to user's process set
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processes.add(wSession, cmd.Process)
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go func(runningId int) {
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defer util.Recover()
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defer cmd.Wait()
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glog.V(5).Infof("Session [%s] is running [id=%d, file=%s]", sid, runningId, filePath)
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// push once for front-end to get the 'run' state and pid
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if nil != wsChannel {
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channelRet["cmd"] = "run"
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channelRet["output"] = ""
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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return
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}
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wsChannel.Refresh()
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}
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go func() {
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for {
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buf, err := outReader.ReadData()
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buf = strings.Replace(buf, "<", "<", -1)
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buf = strings.Replace(buf, ">", ">", -1)
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// TODO: fix the duplicated error
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if nil != err {
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// remove the exited process from user process set
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processes.remove(wSession, cmd.Process)
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glog.V(5).Infof("Session [%s] 's running [id=%d, file=%s] has done [stdout err]", sid, runningId, filePath)
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if nil != wsChannel {
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channelRet["cmd"] = "run-done"
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channelRet["output"] = buf
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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break
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}
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wsChannel.Refresh()
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}
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break
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} else {
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if nil != wsChannel {
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channelRet["cmd"] = "run"
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channelRet["output"] = buf
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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break
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}
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wsChannel.Refresh()
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}
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}
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}
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}()
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for {
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buf, err := errReader.ReadData()
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buf = strings.Replace(buf, "<", "<", -1)
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buf = strings.Replace(buf, ">", ">", -1)
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if nil == session.OutputWS[sid] {
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break
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}
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wsChannel := session.OutputWS[sid]
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if nil != err {
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// remove the exited process from user process set
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processes.remove(wSession, cmd.Process)
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glog.V(5).Infof("Session [%s] 's running [id=%d, file=%s] has done [stderr err]", sid, runningId, filePath)
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channelRet["cmd"] = "run-done"
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channelRet["output"] = "<span class='stderr'>" + buf + "</span>"
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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break
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}
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wsChannel.Refresh()
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break
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} else {
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channelRet["cmd"] = "run"
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channelRet["output"] = "<span class='stderr'>" + buf + "</span>"
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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break
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}
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wsChannel.Refresh()
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}
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}
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}(rand.Int())
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}
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// BuildHandler handles request of building.
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func BuildHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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glog.Error(err)
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data["succ"] = false
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return
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}
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sid := args["sid"].(string)
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filePath := args["file"].(string)
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curDir := filepath.Dir(filePath)
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fout, err := os.Create(filePath)
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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code := args["code"].(string)
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fout.WriteString(code)
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if err := fout.Close(); nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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suffix := ""
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if util.OS.IsWindows() {
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suffix = ".exe"
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}
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cmd := exec.Command("go", "build")
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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executable := filepath.Base(curDir) + suffix
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glog.V(5).Infof("go build for [%s]", executable)
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executable = filepath.Join(curDir, executable)
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stdout, err := cmd.StdoutPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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stderr, err := cmd.StderrPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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if !data["succ"].(bool) {
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return
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}
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channelRet := map[string]interface{}{}
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if nil != session.OutputWS[sid] {
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// display "START [go build]" in front-end browser
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channelRet["output"] = "<span class='start-build'>" + i18n.Get(locale, "start-build").(string) + "</span>\n"
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channelRet["cmd"] = "start-build"
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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return
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}
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wsChannel.Refresh()
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}
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reader := bufio.NewReader(io.MultiReader(stdout, stderr))
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if err := cmd.Start(); nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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go func(runningId int) {
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defer util.Recover()
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defer cmd.Wait()
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glog.V(5).Infof("Session [%s] is building [id=%d, dir=%s]", sid, runningId, curDir)
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// read all
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buf, _ := ioutil.ReadAll(reader)
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channelRet := map[string]interface{}{}
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channelRet["cmd"] = "build"
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channelRet["executable"] = executable
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if 0 == len(buf) { // build success
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channelRet["nextCmd"] = args["nextCmd"]
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channelRet["output"] = "<span class='build-succ'>" + i18n.Get(locale, "build-succ").(string) + "</span>\n"
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go func() { // go install, for subsequent gocode lib-path
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cmd := exec.Command("go", "install")
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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out, _ := cmd.CombinedOutput()
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if len(out) > 0 {
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glog.Warning(string(out))
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}
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}()
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} else { // build error
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// build gutter lint
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errOut := string(buf)
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channelRet["output"] = "<span class='build-error'>" + i18n.Get(locale, "build-error").(string) + "</span>\n" +
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"<span class='stderr'>" + errOut + "</span>"
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lines := strings.Split(errOut, "\n")
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if lines[0][0] == '#' {
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lines = lines[1:] // skip the first line
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}
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lints := []*Lint{}
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for _, line := range lines {
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if len(line) < 1 {
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continue
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}
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if line[0] == '\t' {
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// append to the last lint
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last := len(lints)
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msg := lints[last-1].Msg
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msg += line
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lints[last-1].Msg = msg
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continue
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}
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file := line[:strings.Index(line, ":")]
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left := line[strings.Index(line, ":")+1:]
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index := strings.Index(left, ":")
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lineNo := 0
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msg := left
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if index >= 0 {
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lineNo, _ = strconv.Atoi(left[:index])
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msg = left[index+2:]
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}
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lint := &Lint{
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File: file,
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LineNo: lineNo - 1,
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Severity: lintSeverityError,
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Msg: msg,
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}
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lints = append(lints, lint)
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}
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channelRet["lints"] = lints
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}
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if nil != session.OutputWS[sid] {
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glog.V(5).Infof("Session [%s] 's build [id=%d, dir=%s] has done", sid, runningId, curDir)
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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}
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wsChannel.Refresh()
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}
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}(rand.Int())
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}
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// GoTestHandler handles request of go test.
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func GoTestHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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glog.Error(err)
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data["succ"] = false
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return
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}
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sid := args["sid"].(string)
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filePath := args["file"].(string)
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curDir := filepath.Dir(filePath)
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cmd := exec.Command("go", "test", "-v")
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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stdout, err := cmd.StdoutPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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stderr, err := cmd.StderrPipe()
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if nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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if !data["succ"].(bool) {
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return
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}
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channelRet := map[string]interface{}{}
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if nil != session.OutputWS[sid] {
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// display "START [go test]" in front-end browser
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channelRet["output"] = "<span class='start-test'>" + i18n.Get(locale, "start-test").(string) + "</span>\n"
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channelRet["cmd"] = "start-test"
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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return
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}
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wsChannel.Refresh()
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}
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reader := bufio.NewReader(io.MultiReader(stdout, stderr))
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if err := cmd.Start(); nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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go func(runningId int) {
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defer util.Recover()
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glog.V(5).Infof("Session [%s] is running [go test] [runningId=%d]", sid, runningId)
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channelRet := map[string]interface{}{}
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channelRet["cmd"] = "go test"
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// read all
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buf, _ := ioutil.ReadAll(reader)
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// waiting for go test finished
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cmd.Wait()
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if !cmd.ProcessState.Success() {
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glog.V(5).Infof("Session [%s] 's running [go test] [runningId=%d] has done (with error)", sid, runningId)
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channelRet["output"] = "<span class='test-error'>" + i18n.Get(locale, "test-error").(string) + "</span>\n" + string(buf)
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} else {
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glog.V(5).Infof("Session [%s] 's running [go test] [runningId=%d] has done", sid, runningId)
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channelRet["output"] = "<span class='test-succ'>" + i18n.Get(locale, "test-succ").(string) + "</span>\n" + string(buf)
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}
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if nil != session.OutputWS[sid] {
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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}
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wsChannel.Refresh()
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}
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}(rand.Int())
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}
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// GoInstallHandler handles request of go install.
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func GoInstallHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
sid := args["sid"].(string)
|
|
|
|
filePath := args["file"].(string)
|
|
curDir := filepath.Dir(filePath)
|
|
|
|
cmd := exec.Command("go", "install")
|
|
cmd.Dir = curDir
|
|
|
|
setCmdEnv(cmd, username)
|
|
|
|
glog.V(5).Infof("go install %s", curDir)
|
|
|
|
stdout, err := cmd.StdoutPipe()
|
|
if nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
stderr, err := cmd.StderrPipe()
|
|
if nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
if !data["succ"].(bool) {
|
|
return
|
|
}
|
|
|
|
channelRet := map[string]interface{}{}
|
|
|
|
if nil != session.OutputWS[sid] {
|
|
// display "START [go install]" in front-end browser
|
|
|
|
channelRet["output"] = "<span class='start-install'>" + i18n.Get(locale, "start-install").(string) + "</span>\n"
|
|
channelRet["cmd"] = "start-install"
|
|
|
|
wsChannel := session.OutputWS[sid]
|
|
|
|
err := wsChannel.WriteJSON(&channelRet)
|
|
if nil != err {
|
|
glog.Error(err)
|
|
return
|
|
}
|
|
|
|
wsChannel.Refresh()
|
|
}
|
|
|
|
reader := bufio.NewReader(io.MultiReader(stdout, stderr))
|
|
|
|
if err := cmd.Start(); nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
go func(runningId int) {
|
|
defer util.Recover()
|
|
defer cmd.Wait()
|
|
|
|
glog.V(5).Infof("Session [%s] is running [go install] [id=%d, dir=%s]", sid, runningId, curDir)
|
|
|
|
// read all
|
|
buf, _ := ioutil.ReadAll(reader)
|
|
|
|
channelRet := map[string]interface{}{}
|
|
channelRet["cmd"] = "go install"
|
|
|
|
if 0 != len(buf) { // build error
|
|
// build gutter lint
|
|
|
|
errOut := string(buf)
|
|
lines := strings.Split(errOut, "\n")
|
|
|
|
if lines[0][0] == '#' {
|
|
lines = lines[1:] // skip the first line
|
|
}
|
|
|
|
lints := []*Lint{}
|
|
|
|
for _, line := range lines {
|
|
if len(line) < 1 {
|
|
continue
|
|
}
|
|
|
|
if line[0] == '\t' {
|
|
// append to the last lint
|
|
last := len(lints)
|
|
msg := lints[last-1].Msg
|
|
msg += line
|
|
|
|
lints[last-1].Msg = msg
|
|
|
|
continue
|
|
}
|
|
|
|
file := line[:strings.Index(line, ":")]
|
|
left := line[strings.Index(line, ":")+1:]
|
|
index := strings.Index(left, ":")
|
|
lineNo := 0
|
|
msg := left
|
|
if index >= 0 {
|
|
lineNo, _ = strconv.Atoi(left[:index])
|
|
msg = left[index+2:]
|
|
}
|
|
|
|
lint := &Lint{
|
|
File: file,
|
|
LineNo: lineNo - 1,
|
|
Severity: lintSeverityError,
|
|
Msg: msg,
|
|
}
|
|
|
|
lints = append(lints, lint)
|
|
}
|
|
|
|
channelRet["lints"] = lints
|
|
|
|
channelRet["output"] = "<span class='install-error'>" + i18n.Get(locale, "install-error").(string) + "</span>\n" + errOut
|
|
} else {
|
|
channelRet["output"] = "<span class='install-succ'>" + i18n.Get(locale, "install-succ").(string) + "</span>\n"
|
|
}
|
|
|
|
if nil != session.OutputWS[sid] {
|
|
glog.V(5).Infof("Session [%s] 's running [go install] [id=%d, dir=%s] has done", sid, runningId, curDir)
|
|
|
|
wsChannel := session.OutputWS[sid]
|
|
err := wsChannel.WriteJSON(&channelRet)
|
|
if nil != err {
|
|
glog.Error(err)
|
|
}
|
|
|
|
wsChannel.Refresh()
|
|
}
|
|
|
|
}(rand.Int())
|
|
}
|
|
|
|
// GoGetHandler handles request of go get.
|
|
func GoGetHandler(w http.ResponseWriter, r *http.Request) {
|
|
data := map[string]interface{}{"succ": true}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
httpSession, _ := session.HTTPSession.Get(r, "wide-session")
|
|
if httpSession.IsNew {
|
|
http.Error(w, "Forbidden", http.StatusForbidden)
|
|
|
|
return
|
|
}
|
|
username := httpSession.Values["username"].(string)
|
|
locale := conf.Wide.GetUser(username).Locale
|
|
|
|
var args map[string]interface{}
|
|
|
|
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
sid := args["sid"].(string)
|
|
|
|
filePath := args["file"].(string)
|
|
curDir := filepath.Dir(filePath)
|
|
|
|
cmd := exec.Command("go", "get")
|
|
cmd.Dir = curDir
|
|
|
|
setCmdEnv(cmd, username)
|
|
|
|
stdout, err := cmd.StdoutPipe()
|
|
if nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
stderr, err := cmd.StderrPipe()
|
|
if nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
if !data["succ"].(bool) {
|
|
return
|
|
}
|
|
|
|
channelRet := map[string]interface{}{}
|
|
|
|
if nil != session.OutputWS[sid] {
|
|
// display "START [go get]" in front-end browser
|
|
|
|
channelRet["output"] = "<span class='start-get'>" + i18n.Get(locale, "start-get").(string) + "</span>\n"
|
|
channelRet["cmd"] = "start-get"
|
|
|
|
wsChannel := session.OutputWS[sid]
|
|
|
|
err := wsChannel.WriteJSON(&channelRet)
|
|
if nil != err {
|
|
glog.Error(err)
|
|
return
|
|
}
|
|
|
|
wsChannel.Refresh()
|
|
}
|
|
|
|
reader := bufio.NewReader(io.MultiReader(stdout, stderr))
|
|
|
|
if err := cmd.Start(); nil != err {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
go func(runningId int) {
|
|
defer util.Recover()
|
|
defer cmd.Wait()
|
|
|
|
glog.V(5).Infof("Session [%s] is running [go get] [runningId=%d]", sid, runningId)
|
|
|
|
channelRet := map[string]interface{}{}
|
|
channelRet["cmd"] = "go get"
|
|
|
|
// read all
|
|
buf, _ := ioutil.ReadAll(reader)
|
|
|
|
if 0 != len(buf) {
|
|
glog.V(5).Infof("Session [%s] 's running [go get] [runningId=%d] has done (with error)", sid, runningId)
|
|
|
|
channelRet["output"] = "<span class='get-error'>" + i18n.Get(locale, "get-error").(string) + "</span>\n" + string(buf)
|
|
} else {
|
|
glog.V(5).Infof("Session [%s] 's running [go get] [runningId=%d] has done", sid, runningId)
|
|
|
|
channelRet["output"] = "<span class='get-succ'>" + i18n.Get(locale, "get-succ").(string) + "</span>\n"
|
|
|
|
}
|
|
|
|
if nil != session.OutputWS[sid] {
|
|
wsChannel := session.OutputWS[sid]
|
|
|
|
err := wsChannel.WriteJSON(&channelRet)
|
|
if nil != err {
|
|
glog.Error(err)
|
|
}
|
|
|
|
wsChannel.Refresh()
|
|
}
|
|
}(rand.Int())
|
|
}
|
|
|
|
// StopHandler handles request of stoping a running process.
|
|
func StopHandler(w http.ResponseWriter, r *http.Request) {
|
|
data := map[string]interface{}{"succ": true}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
var args map[string]interface{}
|
|
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
|
|
glog.Error(err)
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
sid := args["sid"].(string)
|
|
pid := int(args["pid"].(float64))
|
|
|
|
wSession := session.WideSessions.Get(sid)
|
|
if nil == wSession {
|
|
data["succ"] = false
|
|
|
|
return
|
|
}
|
|
|
|
processes.kill(wSession, pid)
|
|
}
|
|
|
|
func setCmdEnv(cmd *exec.Cmd, username string) {
|
|
userWorkspace := conf.Wide.GetUserWorkspace(username)
|
|
|
|
cmd.Env = append(cmd.Env,
|
|
"GOPATH="+userWorkspace,
|
|
"GOOS="+runtime.GOOS,
|
|
"GOARCH="+runtime.GOARCH,
|
|
"GOROOT="+runtime.GOROOT(),
|
|
"PATH="+os.Getenv("PATH"))
|
|
}
|