811 lines
18 KiB
Go
811 lines
18 KiB
Go
// 构建、运行、go tool 操作.
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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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"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 严重级别：错误
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lintSeverityWarn = "warning" // Lint 严重级别：警告
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)
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// 代码 Lint 结构.
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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
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}
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// 建立输出通道.
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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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session.OutputWS[sid] = &wsChan
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ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-output"}
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wsChan.Conn.WriteJSON(&ret)
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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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// 运行一个可执行文件.
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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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return
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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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return
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}
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filePath := args["executable"].(string)
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curDir := filePath[:strings.LastIndex(filePath, conf.PathSeparator)]
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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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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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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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// 添加到用户进程集中
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processes.add(wSession, cmd.Process)
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channelRet := map[string]interface{}{}
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channelRet["pid"] = cmd.Process.Pid
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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(3).Infof("Session [%s] is running [id=%d, file=%s]", sid, runningId, filePath)
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// 在读取程序输出前先返回一次，使前端获取到 run 状态与 pid
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if nil != session.OutputWS[sid] {
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wsChannel := session.OutputWS[sid]
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channelRet["cmd"] = "run"
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channelRet["output"] = ""
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err := wsChannel.Conn.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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// 更新通道最近使用时间
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wsChannel.Time = time.Now()
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}
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for {
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buf, err := reader.ReadBytes('\n')
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if nil != err || 0 == len(buf) {
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// 从用户进程集中移除这个执行完毕（或是被主动停止）的进程
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processes.remove(wSession, cmd.Process)
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glog.V(3).Infof("Session [%s] 's running [id=%d, file=%s] has done", sid, runningId, filePath)
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if nil != session.OutputWS[sid] {
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wsChannel := session.OutputWS[sid]
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channelRet["cmd"] = "run-done"
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channelRet["output"] = "<pre>" + string(buf) + "</pre>"
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err := wsChannel.Conn.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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// 更新通道最近使用时间
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wsChannel.Time = time.Now()
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}
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break
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} else {
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if nil != session.OutputWS[sid] {
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wsChannel := session.OutputWS[sid]
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channelRet["cmd"] = "run"
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channelRet["output"] = "<pre>" + string(buf) + "</pre>"
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err := wsChannel.Conn.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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// 更新通道最近使用时间
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wsChannel.Time = time.Now()
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}
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}
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}
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}(rand.Int())
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}
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// 构建可执行文件.
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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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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[:strings.LastIndex(filePath, conf.PathSeparator)]
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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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executable := "main" + suffix
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argv := []string{"build", "-o", executable}
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cmd := exec.Command("go", argv...)
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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glog.V(5).Infof("go build -o %s", executable)
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executable = curDir + conf.PathSeparator + executable
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// 先把可执行文件删了
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err = os.RemoveAll(executable)
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if nil != err {
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glog.Info(err)
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data["succ"] = false
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return
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}
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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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// 在前端 output 中显示“开始构建”
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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.Conn.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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// 更新通道最近使用时间
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||
wsChannel.Time = time.Now()
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}
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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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||
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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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||
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glog.V(3).Infof("Session [%s] is building [id=%d, dir=%s]", sid, runningId, curDir)
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// 一次性读取
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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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||
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if 0 == len(buf) { // 说明构建成功，没有错误信息输出
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||
// 设置下一次执行命令（前端会根据该参数发送请求）
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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() { // 运行 go install，生成的库用于 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 { // 构建失败
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// 解析错误信息，返回给编辑器 gutter lint
|
||
errOut := string(buf)
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channelRet["output"] = "<span class='build-error'>" + i18n.Get(locale, "build-error").(string) + "</span>\n" + errOut
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|
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lines := strings.Split(errOut, "\n")
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if lines[0][0] == '#' {
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lines = lines[1:] // 跳过第一行
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}
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lints := []*Lint{}
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||
|
||
for _, line := range lines {
|
||
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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// 添加到上一个 lint 中
|
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last := len(lints)
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msg := lints[last-1].Msg
|
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msg += line
|
||
|
||
lints[last-1].Msg = msg
|
||
|
||
continue
|
||
}
|
||
|
||
file := line[:strings.Index(line, ":")]
|
||
left := line[strings.Index(line, ":")+1:]
|
||
lineNo, _ := strconv.Atoi(left[:strings.Index(left, ":")])
|
||
msg := left[strings.Index(left, ":")+2:]
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||
|
||
lint := &Lint{
|
||
File: file,
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LineNo: lineNo - 1,
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Severity: lintSeverityError,
|
||
Msg: msg,
|
||
}
|
||
|
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lints = append(lints, lint)
|
||
}
|
||
|
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channelRet["lints"] = lints
|
||
}
|
||
|
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if nil != session.OutputWS[sid] {
|
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glog.V(3).Infof("Session [%s] 's build [id=%d, dir=%s] has done", sid, runningId, curDir)
|
||
|
||
wsChannel := session.OutputWS[sid]
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
|
||
}(rand.Int())
|
||
}
|
||
|
||
// go test.
|
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func GoTestHandler(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")
|
||
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)
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curDir := filePath[:strings.LastIndex(filePath, conf.PathSeparator)]
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||
|
||
cmd := exec.Command("go", "test", "-v")
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||
cmd.Dir = curDir
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||
|
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setCmdEnv(cmd, username)
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||
|
||
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] {
|
||
// 在前端 output 中显示“开始 go test
|
||
|
||
channelRet["output"] = "<span class='start-test'>" + i18n.Get(locale, "start-test").(string) + "</span>\n"
|
||
channelRet["cmd"] = "start-test"
|
||
|
||
wsChannel := session.OutputWS[sid]
|
||
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
return
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
|
||
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()
|
||
|
||
glog.V(3).Infof("Session [%s] is running [go test] [runningId=%d]", sid, runningId)
|
||
|
||
channelRet := map[string]interface{}{}
|
||
channelRet["cmd"] = "go test"
|
||
|
||
// 一次性读取
|
||
buf, _ := ioutil.ReadAll(reader)
|
||
|
||
// 同步点，等待 go test 执行完成
|
||
cmd.Wait()
|
||
|
||
if !cmd.ProcessState.Success() {
|
||
glog.V(3).Infof("Session [%s] 's running [go test] [runningId=%d] has done (with error)", sid, runningId)
|
||
|
||
channelRet["output"] = "<span class='test-error'>" + i18n.Get(locale, "test-error").(string) + "</span>\n" + string(buf)
|
||
} else {
|
||
glog.V(3).Infof("Session [%s] 's running [go test] [runningId=%d] has done", sid, runningId)
|
||
|
||
channelRet["output"] = "<span class='test-succ'>" + i18n.Get(locale, "test-succ").(string) + "</span>\n" + string(buf)
|
||
}
|
||
|
||
if nil != session.OutputWS[sid] {
|
||
wsChannel := session.OutputWS[sid]
|
||
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
}(rand.Int())
|
||
}
|
||
|
||
// go install.
|
||
func GoInstallHandler(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")
|
||
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[:strings.LastIndex(filePath, conf.PathSeparator)]
|
||
|
||
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] {
|
||
// 在前端 output 中显示“开始 go install”
|
||
|
||
channelRet["output"] = "<span class='start-install'>" + i18n.Get(locale, "start-install").(string) + "</span>\n"
|
||
channelRet["cmd"] = "start-install"
|
||
|
||
wsChannel := session.OutputWS[sid]
|
||
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
return
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
|
||
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(3).Infof("Session [%s] is running [go install] [id=%d, dir=%s]", sid, runningId, curDir)
|
||
|
||
// 一次性读取
|
||
buf, _ := ioutil.ReadAll(reader)
|
||
|
||
channelRet := map[string]interface{}{}
|
||
channelRet["cmd"] = "go install"
|
||
|
||
if 0 != len(buf) { // 构建失败
|
||
// 解析错误信息，返回给编辑器 gutter lint
|
||
errOut := string(buf)
|
||
lines := strings.Split(errOut, "\n")
|
||
|
||
if lines[0][0] == '#' {
|
||
lines = lines[1:] // 跳过第一行
|
||
}
|
||
|
||
lints := []*Lint{}
|
||
|
||
for _, line := range lines {
|
||
if len(line) < 1 {
|
||
continue
|
||
}
|
||
|
||
if line[0] == '\t' {
|
||
// 添加到上一个 lint 中
|
||
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:]
|
||
lineNo, _ := strconv.Atoi(left[:strings.Index(left, ":")])
|
||
msg := left[strings.Index(left, ":")+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(3).Infof("Session [%s] 's running [go install] [id=%d, dir=%s] has done", sid, runningId, curDir)
|
||
|
||
wsChannel := session.OutputWS[sid]
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
|
||
}(rand.Int())
|
||
}
|
||
|
||
// 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")
|
||
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[:strings.LastIndex(filePath, conf.PathSeparator)]
|
||
|
||
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] {
|
||
// 在前端 output 中显示“开始 go get
|
||
|
||
channelRet["output"] = "<span class='start-get'>" + i18n.Get(locale, "start-get").(string) + "</span>\n"
|
||
channelRet["cmd"] = "start-get"
|
||
|
||
wsChannel := session.OutputWS[sid]
|
||
|
||
err := wsChannel.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
return
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
|
||
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(3).Infof("Session [%s] is running [go get] [runningId=%d]", sid, runningId)
|
||
|
||
channelRet := map[string]interface{}{}
|
||
channelRet["cmd"] = "go get"
|
||
|
||
// 一次性读取
|
||
buf, _ := ioutil.ReadAll(reader)
|
||
|
||
if 0 != len(buf) {
|
||
glog.V(3).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(3).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.Conn.WriteJSON(&channelRet)
|
||
if nil != err {
|
||
glog.Error(err)
|
||
}
|
||
|
||
// 更新通道最近使用时间
|
||
wsChannel.Time = time.Now()
|
||
}
|
||
}(rand.Int())
|
||
}
|
||
|
||
// 结束正在运行的进程.
|
||
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)
|
||
masterWorkspace := conf.Wide.GetWorkspace()
|
||
|
||
cmd.Env = append(cmd.Env,
|
||
"GOPATH="+userWorkspace+conf.PathListSeparator+masterWorkspace,
|
||
"GOOS="+runtime.GOOS,
|
||
"GOARCH="+runtime.GOARCH,
|
||
"GOROOT="+runtime.GOROOT(),
|
||
"PATH="+os.Getenv("PATH"))
|
||
}
|