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https://github.com/tenox7/wrp.git
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rearrange functions to be groupped together
This commit is contained in:
Antoni Sawicki
parent
f05dde8188
commit
700c4aa495
177
wrp.go
177
wrp.go
@ -163,91 +163,6 @@ func printHTML(w wrpReq, p printParams) {
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}
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}
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// Process HTTP requests to WRP '/' url
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func pageServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s Page Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
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var w wrpReq
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w.req = req
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w.out = out
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parseForm(&w)
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if len(w.url) < 4 {
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printHTML(w, printParams{bgColor: "#FFFFFF"})
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return
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}
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navigate(w)
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capture(w)
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}
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// Process HTTP requests to ISMAP '/map/' url
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func mapServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s ISMAP Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
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w, ok := ismap[req.URL.Path]
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w.req = req
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w.out = out
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if !ok {
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fmt.Fprintf(out, "Unable to find map %s\n", req.URL.Path)
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log.Printf("Unable to find map %s\n", req.URL.Path)
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return
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}
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if !noDel {
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defer delete(ismap, req.URL.Path)
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}
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n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &w.mouseX, &w.mouseY)
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if err != nil || n != 2 {
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fmt.Fprintf(out, "n=%d, err=%s\n", n, err)
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log.Printf("%s ISMAP n=%d, err=%s\n", req.RemoteAddr, n, err)
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return
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}
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log.Printf("%s WrpReq from ISMAP: %+v\n", req.RemoteAddr, w)
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if len(w.url) < 4 {
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printHTML(w, printParams{bgColor: "#FFFFFF"})
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return
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}
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navigate(w)
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capture(w)
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}
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// Process HTTP requests for images '/img/' url
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func imgServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s IMG Request for %s\n", req.RemoteAddr, req.URL.Path)
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imgbuf, ok := img[req.URL.Path]
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if !ok || imgbuf.Bytes() == nil {
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fmt.Fprintf(out, "Unable to find image %s\n", req.URL.Path)
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log.Printf("%s Unable to find image %s\n", req.RemoteAddr, req.URL.Path)
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return
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}
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if !noDel {
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defer delete(img, req.URL.Path)
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}
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switch {
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case strings.HasPrefix(req.URL.Path, ".gif"):
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out.Header().Set("Content-Type", "image/gif")
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case strings.HasPrefix(req.URL.Path, ".png"):
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out.Header().Set("Content-Type", "image/png")
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}
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out.Header().Set("Content-Length", strconv.Itoa(len(imgbuf.Bytes())))
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out.Header().Set("Cache-Control", "max-age=0")
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out.Header().Set("Expires", "-1")
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out.Header().Set("Pragma", "no-cache")
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out.Write(imgbuf.Bytes())
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out.(http.Flusher).Flush()
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}
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// Process HTTP requests for Shutdown via '/shutdown/' url
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func haltServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s Shutdown Request for %s\n", req.RemoteAddr, req.URL.Path)
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out.Header().Set("Cache-Control", "max-age=0")
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out.Header().Set("Expires", "-1")
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out.Header().Set("Pragma", "no-cache")
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out.Header().Set("Content-Type", "text/plain")
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fmt.Fprintf(out, "Shutting down WRP...\n")
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out.(http.Flusher).Flush()
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time.Sleep(time.Second * 2)
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cancel()
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srv.Shutdown(context.Background())
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os.Exit(1)
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}
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// Determine what action to take
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func action(w wrpReq) chromedp.Action {
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// Mouse Click
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@ -397,6 +312,91 @@ func capture(w wrpReq) {
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log.Printf("%s Done with capture for %s\n", w.req.RemoteAddr, w.url)
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}
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// Process HTTP requests to WRP '/' url
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func pageServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s Page Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
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var w wrpReq
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w.req = req
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w.out = out
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parseForm(&w)
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if len(w.url) < 4 {
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printHTML(w, printParams{bgColor: "#FFFFFF"})
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return
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}
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navigate(w)
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capture(w)
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}
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// Process HTTP requests to ISMAP '/map/' url
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func mapServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s ISMAP Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
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w, ok := ismap[req.URL.Path]
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w.req = req
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w.out = out
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if !ok {
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fmt.Fprintf(out, "Unable to find map %s\n", req.URL.Path)
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log.Printf("Unable to find map %s\n", req.URL.Path)
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return
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}
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if !noDel {
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defer delete(ismap, req.URL.Path)
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}
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n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &w.mouseX, &w.mouseY)
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if err != nil || n != 2 {
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fmt.Fprintf(out, "n=%d, err=%s\n", n, err)
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log.Printf("%s ISMAP n=%d, err=%s\n", req.RemoteAddr, n, err)
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return
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}
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log.Printf("%s WrpReq from ISMAP: %+v\n", req.RemoteAddr, w)
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if len(w.url) < 4 {
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printHTML(w, printParams{bgColor: "#FFFFFF"})
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return
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}
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navigate(w)
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capture(w)
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}
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// Process HTTP requests for images '/img/' url
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func imgServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s IMG Request for %s\n", req.RemoteAddr, req.URL.Path)
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imgbuf, ok := img[req.URL.Path]
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if !ok || imgbuf.Bytes() == nil {
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fmt.Fprintf(out, "Unable to find image %s\n", req.URL.Path)
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log.Printf("%s Unable to find image %s\n", req.RemoteAddr, req.URL.Path)
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return
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}
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if !noDel {
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defer delete(img, req.URL.Path)
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}
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switch {
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case strings.HasPrefix(req.URL.Path, ".gif"):
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out.Header().Set("Content-Type", "image/gif")
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case strings.HasPrefix(req.URL.Path, ".png"):
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out.Header().Set("Content-Type", "image/png")
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}
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out.Header().Set("Content-Length", strconv.Itoa(len(imgbuf.Bytes())))
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out.Header().Set("Cache-Control", "max-age=0")
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out.Header().Set("Expires", "-1")
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out.Header().Set("Pragma", "no-cache")
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out.Write(imgbuf.Bytes())
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out.(http.Flusher).Flush()
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}
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// Process HTTP requests for Shutdown via '/shutdown/' url
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func haltServer(out http.ResponseWriter, req *http.Request) {
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log.Printf("%s Shutdown Request for %s\n", req.RemoteAddr, req.URL.Path)
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out.Header().Set("Cache-Control", "max-age=0")
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out.Header().Set("Expires", "-1")
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out.Header().Set("Pragma", "no-cache")
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out.Header().Set("Content-Type", "text/plain")
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fmt.Fprintf(out, "Shutting down WRP...\n")
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out.(http.Flusher).Flush()
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time.Sleep(time.Second * 2)
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cancel()
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srv.Shutdown(context.Background())
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os.Exit(1)
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}
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// returns html template, either from html file or built-in
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func tmpl(t string) string {
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var tmpl []byte
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@ -450,6 +450,7 @@ func main() {
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if err != nil || n != 3 {
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log.Fatalf("Unable to parse -g geometry flag / %s", err)
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}
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opts := append(chromedp.DefaultExecAllocatorOptions[:],
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chromedp.Flag("headless", headless),
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chromedp.Flag("hide-scrollbars", false),
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@ -462,7 +463,9 @@ func main() {
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ctx, cancel = chromedp.NewContext(actx)
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}
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defer cancel()
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rand.Seed(time.Now().UnixNano())
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c := make(chan os.Signal)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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go func() {
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@ -472,18 +475,22 @@ func main() {
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srv.Shutdown(context.Background())
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os.Exit(1)
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}()
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http.HandleFunc("/", pageServer)
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http.HandleFunc("/map/", mapServer)
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http.HandleFunc("/img/", imgServer)
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http.HandleFunc("/shutdown/", haltServer)
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http.HandleFunc("/favicon.ico", http.NotFound)
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log.Printf("Web Rendering Proxy Version %s\n", version)
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log.Printf("Args: %q", os.Args)
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log.Printf("Default Img Type: %v, Geometry: %+v", defType, defGeom)
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htmlTmpl, err = template.New("wrp.html").Parse(tmpl(tHtml))
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("Starting WRP http server on %s\n", addr)
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srv.Addr = addr
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err = srv.ListenAndServe()
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