43 lines
896 B
Go
43 lines
896 B
Go
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package replication
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import (
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"io/ioutil"
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"time"
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"gopkg.in/yaml.v2"
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)
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func NewChangesetDownloader(dest, url string, seq int, interval time.Duration) *downloader {
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dl := newDownloader(dest, url, seq, interval)
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dl.fileExt = ".osm.gz"
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dl.stateExt = ".state.txt"
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dl.stateTime = parseYamlTime
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go dl.fetchNextLoop()
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return dl
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}
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type changesetState struct {
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Time time.Time `yaml:"last_run"`
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Sequence int `yaml:"sequence"`
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}
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func parseYamlState(filename string) (changesetState, error) {
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b, err := ioutil.ReadFile(filename)
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if err != nil {
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return changesetState{}, err
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}
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state := changesetState{}
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if err := yaml.Unmarshal(b, &state); err != nil {
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return changesetState{}, err
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}
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return state, nil
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}
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func parseYamlTime(filename string) (time.Time, error) {
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state, err := parseYamlState(filename)
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if err != nil {
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return time.Time{}, err
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}
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return state.Time, nil
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}
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