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base.go
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base.go
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/*
Nging is a toolbox for webmasters
Copyright (C) 2018-present Wenhui Shen <swh@admpub.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package collector
import (
"strconv"
"strings"
"time"
"github.com/webx-top/com"
"github.com/webx-top/echo"
)
type Base struct {
Proxy string
Timeout int
RandomDelay string
minWait, maxWait int
}
func (s *Base) Start(opt echo.Store) (err error) {
s.Proxy = opt.String(`proxy`)
s.Timeout = opt.Int(`timeout`)
s.RandomDelay = opt.String(`delay`)
if len(s.RandomDelay) > 0 {
waits := strings.SplitN(s.RandomDelay, `-`, 2)
switch len(waits) {
case 2:
s.maxWait, _ = strconv.Atoi(waits[1])
fallthrough
case 1:
s.minWait, _ = strconv.Atoi(waits[0])
}
}
return nil
}
func (s *Base) Close() error {
return nil
}
func (s *Base) Name() string {
return `undefined`
}
func (s *Base) Description() string {
return ``
}
func (s *Base) Transcoded() bool {
return true
}
func (s *Base) Do(pageURL string, data echo.Store) ([]byte, error) {
return nil, nil
}
func (s *Base) SleepSeconds() int {
if s.minWait > 0 || s.maxWait > 0 {
return com.RandRangeInt(s.minWait, s.maxWait)
}
return 0
}
func (s *Base) Sleep() Browser {
if s.minWait > 0 || s.maxWait > 0 {
delay := com.RandRangeInt(s.minWait, s.maxWait)
if delay > 0 {
time.Sleep(time.Duration(delay) * time.Second)
}
}
return s
}