// Forces nyfikend to check all pages immediately.
func force(bw *bufioutil.Writer) (err error) {
// Send nyfikend a query to force a recheck.
_, err = bw.WriteLine(settings.QueryForceRecheck)
if err != nil {
return errutil.Err(err)
}
fmt.Println("Pages will be checked immediately by your demand.")
return nil
}
// Receive updates from nyfikend.
func getUpdates(bw *bufioutil.Writer, conn net.Conn) (ups map[string]bool, err error) {
// Ask for updates.
_, err = bw.WriteLine(settings.QueryUpdates)
if err != nil {
return nil, errutil.Err(err)
}
// Will read from network.
dec := gob.NewDecoder(conn)
// Decode (receive) the value.
err = dec.Decode(&ups)
if err != nil {
return nil, errutil.Err(err)
}
return ups, nil
}
// Removes all updates.
func clearAll(bw *bufioutil.Writer, conn net.Conn) (err error) {
ups, err := getUpdates(bw, conn)
if err != nil {
return errutil.Err(err)
}
for up := range ups {
u, err := url.Parse(up)
if err != nil {
return errutil.Err(err)
}
urlAsFilename := u.Host + u.Path + u.RawQuery
fname, err := filename.Encode(urlAsFilename)
if err != nil {
return errutil.Err(err)
}
cacheFile, err := os.Open(settings.CacheRoot + fname + ".htm")
if err != nil {
return errutil.Err(err)
}
defer cacheFile.Close()
readFile, err := os.Create(settings.ReadRoot + fname + ".htm")
if err != nil {
return errutil.Err(err)
}
defer readFile.Close()
_, err = io.Copy(readFile, cacheFile)
if err != nil {
return errutil.Err(err)
}
// Debug
debugCacheFile, err := os.Open(settings.DebugCacheRoot + fname + ".htm")
if err != nil {
return errutil.Err(err)
}
defer cacheFile.Close()
debugReadFile, err := os.Create(settings.DebugReadRoot + fname + ".htm")
if err != nil {
return errutil.Err(err)
}
defer readFile.Close()
_, err = io.Copy(debugReadFile, debugCacheFile)
if err != nil {
return errutil.Err(err)
}
}
// Send nyfikend a query to clear updates.
_, err = bw.WriteLine(settings.QueryClearAll)
if err != nil {
return errutil.Err(err)
}
fmt.Println("Updates list has been cleared!")
return nil
}