348 lines
7.2 KiB
Go
348 lines
7.2 KiB
Go
package output
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import (
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"encoding/json"
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"io"
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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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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/user"
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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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var outputWS = map[string]*websocket.Conn{}
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func WSHandler(w http.ResponseWriter, r *http.Request) {
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session, _ := user.Session.Get(r, "wide-session")
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sid := session.Values["id"].(string)
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outputWS[sid], _ = websocket.Upgrade(w, r, nil, 1024, 1024)
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ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-output"}
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outputWS[sid].WriteJSON(&ret)
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glog.V(4).Infof("Open a new [Output] with session [%s], %d", sid, len(outputWS))
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}
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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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session, _ := user.Session.Get(r, "wide-session")
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sid := session.Values["id"].(string)
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decoder := json.NewDecoder(r.Body)
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var args map[string]interface{}
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if err := decoder.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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filePath := args["executable"].(string)
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curDir := filePath[:strings.LastIndex(filePath, string(os.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 := io.MultiReader(stdout, stderr)
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cmd.Start()
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channelRet := map[string]interface{}{}
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go func(runningId int) {
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glog.V(3).Infof("Session [%s] is running [id=%d, file=%s]", sid, runningId, filePath)
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for {
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buf := make([]byte, 1024)
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count, err := reader.Read(buf)
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if nil != err || 0 == count {
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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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break
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} else {
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channelRet["output"] = string(buf[:count])
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channelRet["cmd"] = "run"
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if nil != outputWS[sid] {
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err := outputWS[sid].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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}
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}
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}
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}(rand.Int())
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}
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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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session, _ := user.Session.Get(r, "wide-session")
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sid := session.Values["id"].(string)
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username := session.Values["username"].(string)
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decoder := json.NewDecoder(r.Body)
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var args map[string]interface{}
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if err := decoder.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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filePath := args["file"].(string)
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curDir := filePath[:strings.LastIndex(filePath, string(os.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 "windows" == runtime.GOOS {
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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, filePath}
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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 %s", executable, filePath)
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executable = curDir + string(os.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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reader := io.MultiReader(stdout, stderr)
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cmd.Start()
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go func(runningId int) {
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glog.V(3).Infof("Session [%s] is building [id=%d, file=%s]", sid, runningId, filePath)
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// 一次性读取
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buf := make([]byte, 1024*8)
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count, _ := reader.Read(buf)
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channelRet := map[string]interface{}{}
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channelRet["output"] = string(buf[:count])
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channelRet["cmd"] = "build"
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channelRet["nextCmd"] = "run"
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channelRet["executable"] = executable
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if 0 == count { // 说明构建成功，没有错误信息输出
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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
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lines := strings.Split(string(buf[:count]), "\n")[1:]
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lints := []map[string]interface{}{}
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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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file := line[:strings.Index(line, ":")]
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left := line[strings.Index(line, ":")+1:]
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lineNo, _ := strconv.Atoi(left[:strings.Index(left, ":")])
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msg := left[strings.Index(left, ":")+2:]
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lint := map[string]interface{}{}
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lint["file"] = file
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lint["lineNo"] = lineNo - 1
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lint["msg"] = msg
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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 != outputWS[sid] {
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glog.V(3).Infof("Session [%s] 's build [id=%d, file=%s] has done", sid, runningId, filePath)
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err := outputWS[sid].WriteJSON(&channelRet)
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if nil != err {
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glog.Error(err)
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}
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}
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}(rand.Int())
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}
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}
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func GoGetHandler(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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session, _ := user.Session.Get(r, "wide-session")
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sid := session.Values["id"].(string)
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username := session.Values["username"].(string)
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decoder := json.NewDecoder(r.Body)
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var args map[string]interface{}
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if err := decoder.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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filePath := args["file"].(string)
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curDir := filePath[:strings.LastIndex(filePath, string(os.PathSeparator))]
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cmd := exec.Command("go", "get")
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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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reader := io.MultiReader(stdout, stderr)
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cmd.Start()
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channelRet := map[string]interface{}{}
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go func(runningId int) {
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glog.V(3).Infof("Session [%s] is running [go get] [runningId=%d]", sid, runningId)
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for {
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buf := make([]byte, 1024)
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count, err := reader.Read(buf)
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if nil != err || 0 == count {
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glog.V(3).Infof("Session [%s] 's running [go get] [runningId=%d] has done", sid, runningId)
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break
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} else {
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channelRet["output"] = string(buf[:count])
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channelRet["cmd"] = "go get"
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if nil != outputWS[sid] {
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err := outputWS[sid].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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}
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}
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}
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}(rand.Int())
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}
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func setCmdEnv(cmd *exec.Cmd, username string) {
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userWorkspace := conf.Wide.GetUserWorkspace(username)
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cmd.Env = append(cmd.Env,
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"GOPATH="+userWorkspace,
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"GOOS="+runtime.GOOS,
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"GOARCH="+runtime.GOARCH,
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"GOROOT="+runtime.GOROOT(),
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"PATH="+os.Getenv("PATH"))
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//"TERM="+os.Getenv("COMSPEC"),
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//"ComSpec="+os.Getenv("ComSpec")
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}
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