func (this *SrcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
tmaster := time.Now()
switch r.Method { // Likely faster not to use a map[string]func.
case "GET":
if strings.Index(r.URL.Path, common.SrcsPath) != 0 {
handlerutils.HttpError(w, "Bad path: "+r.URL.Path, http.StatusBadRequest)
return
}
this.getHandler(w, r)
case "POST":
if strings.Index(r.URL.Path, common.SrcPath) != 0 {
handlerutils.HttpError(w, "Bad path: "+r.URL.Path, http.StatusBadRequest)
return
}
src := r.URL.Path[len(common.SrcPath):]
this.postHandler(w, r, src)
case "PUT":
if strings.Index(r.URL.Path, common.SrcPath) != 0 {
handlerutils.HttpError(w, "Bad path: "+r.URL.Path, http.StatusBadRequest)
return
}
src := r.URL.Path[len(common.SrcPath):]
this.putHandler(w, r, src)
default:
handlerutils.HttpError(w, "Bad method: "+r.Method, http.StatusBadRequest)
return
}
glog.V(2).Infof("PERF: total service time: %v\n", time.Now().Sub(tmaster))
}
func (this *SrcHandler) postHandler(w http.ResponseWriter, r *http.Request, src string) {
glog.V(2).Infoln("src POST handler")
inputPayload, err := getPayload(r)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
var rec db.WriteRecord
if len(inputPayload) > 0 {
err = json.Unmarshal(inputPayload, &rec)
if err != nil {
handlerutils.HttpError(w, "Malformed POST data.", http.StatusBadRequest)
return
}
}
if rec.RecordTimestamp == nil {
timestamp := time.Now().UnixNano() / 1e6 // Millis.
rec.RecordTimestamp = ×tamp
}
rowId, err := this.D.WriteRow(rec, src)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
fmt.Fprintf(w, `{"id":"%s"}`, rowId)
}
func (this *SearchHandler) getHandler(w http.ResponseWriter, r *http.Request) {
q := r.URL.Query()
searchStr := q.Get("q") + "*"
sInfo, err := readDir(this.D, q, searchStr)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
w.Header().Set("Cache-Control", fmt.Sprintf("private, max-age=%d", 20))
w.Header().Set("Content-Type", "text/html")
var b bytes.Buffer
tTemplate := time.Now()
err = templateloader.Templates.ExecuteTemplate(&b, "search.template-html", struct {
Title string
Names []string
}{
Title: searchStr,
Names: sInfo.Names,
})
glog.V(2).Infof("PERF: template generation time: %v\n", time.Now().Sub(tTemplate))
contents := b.Bytes()
if handlerutils.EtagMatch(w, r, contents) {
return
}
w.Write(contents)
}
func (this *FileHandler) getHandler(w http.ResponseWriter, r *http.Request, filePath string) {
switch {
case filePath == "":
filePath = "tsviewdb.html"
case filePath == "v":
filePath = "viz.html"
}
if this.notModifiedSince(w, r) {
return
}
sFile, ok := this.files[filePath]
if !ok {
handlerutils.HttpError(w, "Resource not found: "+filePath, http.StatusBadRequest)
return
}
w.Header().Set("Content-Length", strconv.Itoa(len(sFile.Contents)))
w.Header().Set("Content-Type", sFile.ContentType)
handlerutils.SetGzipContentHeader(w, r)
w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%d", 3600*24*7))
w.Header().Set("Last-Modified", this.startTimeRFC1123)
w.Write(sFile.Contents)
}
func (this *RecordHandler) deleteHandler(w http.ResponseWriter, id string) {
glog.V(3).Infof("Deleting id: %s", id)
if err := this.D.DeleteRow(id); err != nil {
handlerutils.HttpError(w, fmt.Sprintf("An error occured deleting id: %s", id),
http.StatusInternalServerError)
return
}
}
// HandleWithCache is called from a handler to either respond with a cached value
// or generate a new one.
func HandleWithCache(w http.ResponseWriter, r *http.Request, groupName, key string) {
content, timestamp, err := getContentUsingCache(groupName, key)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
cInfo := contentInfos[groupName]
returnWithContentType(w, r, content, cInfo.contentType, timestamp, cInfo.zip)
}
func (this *DirHandler) deleteHandler(w http.ResponseWriter, src string) {
glog.V(2).Infoln("search DELETE handler")
path, file := common.GetSrcComponents(src)
glog.V(2).Infof("Deleting path: %s, file:%s", path, file)
if err := this.D.DeleteDir(path, file); err != nil {
handlerutils.HttpError(w, fmt.Sprintf("An error occured deleting path: %s, file: %s", path, file),
http.StatusInternalServerError)
return
}
}
func (this *SearchHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
tmaster := time.Now()
switch r.Method {
case "GET":
this.getHandler(w, r)
default:
handlerutils.HttpError(w, "Bad method: "+r.Method, http.StatusBadRequest)
return
}
glog.V(2).Infof("PERF: total service time: %v\n", time.Now().Sub(tmaster))
}
func (this *SrcHandler) putHandler(w http.ResponseWriter, r *http.Request, src string) {
glog.V(2).Infoln("src PUT handler")
inputPayload, err := getPayload(r)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
var sInfo db.SourceInfoUncomp
if len(inputPayload) > 0 {
err = json.Unmarshal(inputPayload, &sInfo)
if err != nil {
handlerutils.HttpError(w, "Malformed PUT data.", http.StatusBadRequest)
return
}
}
if err = this.D.WriteDir(sInfo, src); err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
}
func (this *DirHandler) getHandler(w http.ResponseWriter, r *http.Request, s string) {
q := r.URL.Query()
sInfo, err := readDir(this.D, q, s)
if err != nil {
handlerutils.HttpError(w, err.Error(), http.StatusBadRequest)
return
}
w.Header().Set("Cache-Control", fmt.Sprintf("private, max-age=%d", 20))
var b bytes.Buffer
w.Header().Set("Content-Type", "application/json")
if err := json.NewEncoder(&b).Encode(sInfo); err != nil {
handlerutils.HttpError(w, "An error occured during JSON marshalling.", http.StatusInternalServerError)
return
}
contents := b.Bytes()
if handlerutils.EtagMatch(w, r, contents) {
return
}
w.Write(contents)
}
func (this *FileHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
tmaster := time.Now()
filePath := r.URL.Path[1:]
glog.V(3).Infoln("filePath", filePath)
switch r.Method {
case "GET":
this.getHandler(w, r, filePath)
default:
handlerutils.HttpError(w, "Bad method: "+r.Method, http.StatusBadRequest)
return
}
glog.V(2).Infof("PERF: total service time: %v\n", time.Now().Sub(tmaster))
}
func (this *DirHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
tmaster := time.Now()
searchPath := r.URL.Path[len(common.DirPath):]
glog.V(2).Infoln("searchPath", searchPath)
switch r.Method {
case "GET":
this.getHandler(w, r, searchPath)
case "DELETE":
this.deleteHandler(w, searchPath)
default:
handlerutils.HttpError(w, "Bad method: "+r.Method, http.StatusBadRequest)
return
}
glog.V(2).Infof("PERF: total service time: %v\n", time.Now().Sub(tmaster))
}
func (this *SrcHandler) getHandler(w http.ResponseWriter, r *http.Request) {
glog.V(2).Infoln("src GET handler")
rawQuery := r.URL.RawQuery
q, _ := url.ParseQuery(rawQuery)
t := q.Get("type")
if t == "" {
t = "json"
}
switch t { // Likely faster not to use a map[string]func.
case "png":
cachinghandler.HandleWithCache(w, r, "srcs-png", rawQuery)
case "inline-graph":
cachinghandler.HandleWithCache(w, r, "srcs-inline-graph", rawQuery)
case "json":
cachinghandler.HandleWithCache(w, r, "srcs-json", rawQuery)
default:
handlerutils.HttpError(w, "Bad srcs 'type' parameter: "+t, http.StatusBadRequest)
}
}
func (this *RecordHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
tmaster := time.Now()
id := r.URL.Path[len(common.RecordPath):]
glog.V(2).Infoln("id", id)
switch r.Method {
case "GET":
q := r.URL.Query()
q.Add("id", id)
newQS := q.Encode()
this.getHandler(w, r, newQS)
case "DELETE":
this.deleteHandler(w, id)
default:
handlerutils.HttpError(w, "Bad method: "+r.Method, http.StatusBadRequest)
return
}
glog.V(2).Infof("PERF: total service time: %v\n", time.Now().Sub(tmaster))
}