func (db *searcherDB) PackageCrawlHistory(pkg string) *sppb.HistoryInfo {
site, path := utils.SplitPackage(pkg)
info, err := store.ReadPackageHistoryOf(db.storeDB, site, path)
if err != nil {
log.Printf("ReadPackageHistoryOf %s %s failed: %v", site, path, err)
return nil
}
return info
}
func doFill() error {
cDB := gcse.LoadCrawlerDB()
return cDB.PackageDB.Iterate(func(pkg string, val interface{}) error {
ent, ok := val.(gcse.CrawlingEntry)
if !ok {
log.Printf("Wrong entry, ignored: %+v", ent)
return nil
}
site, path := utils.SplitPackage(pkg)
return store.AppendPackageEvent(site, path, "unknown", ent.ScheduleTime.Add(-10*timep.Day), sppb.HistoryEvent_Action_None)
})
}
func appendNewPackage(pkg, foundWay string) {
cDB.AppendPackage(pkg, allDocsPkgs.Contain)
site, path := utils.SplitPackage(pkg)
if err := store.UpdatePackage(site, path, func(*stpb.PackageInfo) error {
return nil
}); err != nil {
log.Printf("UpdatePackage %s %s failed: %v", site, path, err)
}
if err := store.AppendPackageEvent(site, path, foundWay, time.Now(), sppb.HistoryEvent_Action_None); err != nil {
log.Printf("UpdatePackageHistory %s %s failed: %v", site, path, err)
}
}
func main() {
log.Println("Running tocrawl tool, to generate crawling list")
log.Println("NonCrawlHosts: ", configs.NonCrawlHosts)
log.Println("CrawlGithubUpdate: ", configs.CrawlGithubUpdate)
log.Println("CrawlByGodocApi: ", configs.CrawlByGodocApi)
log.Printf("Using personal: %v", configs.CrawlerGithubPersonal)
gcse.GithubSpider = github.NewSpiderWithToken(configs.CrawlerGithubPersonal)
// Load CrawlerDB
cDB = gcse.LoadCrawlerDB()
if configs.CrawlGithubUpdate || configs.CrawlByGodocApi {
// load pkgUTs
pkgUTs, err := loadPackageUpdateTimes(
sophie.LocalFsPath(configs.DocsDBPath().S()))
if err != nil {
log.Fatalf("loadPackageUpdateTimes failed: %v", err)
}
if configs.CrawlGithubUpdate {
touchByGithubUpdates(pkgUTs)
}
if configs.CrawlByGodocApi {
httpClient := gcse.GenHttpClient("")
pkgs, err := gcse.FetchAllPackagesInGodoc(httpClient)
if err != nil {
log.Fatalf("FetchAllPackagesInGodoc failed: %v", err)
}
gcse.AddBiValueAndProcess(bi.Max, "godoc.doc-count", len(pkgs))
log.Printf("FetchAllPackagesInGodoc returns %d entries", len(pkgs))
now := time.Now()
for _, pkg := range pkgs {
cDB.AppendPackage(pkg, func(pkg string) bool {
_, ok := pkgUTs[pkg]
return ok
})
site, path := utils.SplitPackage(pkg)
if err := store.AppendPackageEvent(site, path, "godoc", now, sppb.HistoryEvent_Action_None); err != nil {
log.Printf("UpdatePackageHistory %s %s failed: %v", site, path, err)
}
}
}
syncDatabases()
}
log.Printf("Package DB: %d entries", cDB.PackageDB.Count())
log.Printf("Person DB: %d entries", cDB.PersonDB.Count())
pathToCrawl := configs.DataRoot.Join(configs.FnToCrawl)
kvPackage := kv.DirOutput(sophie.LocalFsPath(
pathToCrawl.Join(configs.FnPackage).S()))
kvPackage.Clean()
if err := generateCrawlEntries(cDB.PackageDB, gcse.HostOfPackage, kvPackage); err != nil {
log.Fatalf("generateCrawlEntries %v failed: %v", kvPackage.Path, err)
}
kvPerson := kv.DirOutput(sophie.LocalFsPath(
pathToCrawl.Join(configs.FnPerson).S()))
kvPerson.Clean()
if err := generateCrawlEntries(cDB.PersonDB, func(id string) string {
site, _ := gcse.ParsePersonId(id)
return site
}, kvPerson); err != nil {
log.Fatalf("generateCrawlEntries %v failed: %v", kvPerson.Path, err)
}
}
// OnlyMapper.Map
func (pc *PackageCrawler) Map(key, val sophie.SophieWriter, c []sophie.Collector) error {
if time.Now().After(AppStopTime) {
log.Printf("[Part %d] Timeout(key = %v), PackageCrawler returns EOM",
pc.part, key)
return mr.EOM
}
pkg := string(*key.(*sophie.RawString))
ent := val.(*gcse.CrawlingEntry)
if ent.Version < gcse.CrawlerVersion {
// if gcse.CrawlerVersion is larger than Version, Etag is ignored.
ent.Etag = ""
}
log.Printf("[Part %d] Crawling package %v with etag %s\n", pc.part, pkg, ent.Etag)
p, flds, err := gcse.CrawlPackage(pc.httpClient, pkg, ent.Etag)
for _, fld := range flds {
if spider.LikeGoSubFolder(fld.Name) {
appendNewPackage(pkg+"/"+fld.Path, "parent")
}
}
site, path := utils.SplitPackage(pkg)
if err != nil && errorsp.Cause(err) != gcse.ErrPackageNotModifed {
log.Printf("[Part %d] Crawling pkg %s failed: %v", pc.part, pkg, err)
if gcse.IsBadPackage(err) {
utils.LogError(store.AppendPackageEvent(site, path, "", time.Now(), sppb.HistoryEvent_Action_Invalid), "AppendPackageEvent %v %v failed", site, path)
bi.AddValue(bi.Sum, "crawler.package.wrong-package", 1)
// a wrong path
nda := gcse.NewDocAction{
Action: gcse.NDA_DEL,
}
c[0].Collect(sophie.RawString(pkg), &nda)
cDB.PackageDB.Delete(pkg)
log.Printf("[Part %d] Remove wrong package %s", pc.part, pkg)
} else {
utils.LogError(store.AppendPackageEvent(site, path, "", time.Now(), sppb.HistoryEvent_Action_Failed), "AppendPackageEvent %v %v failed", site, path)
bi.Inc("crawler.package.failed")
if strings.HasPrefix(pkg, "github.com/") {
bi.Inc("crawler.package.failed.github")
}
pc.failCount++
cDB.SchedulePackage(pkg, time.Now().Add(12*time.Hour), ent.Etag)
if pc.failCount >= 10 || strings.Contains(err.Error(), "403") {
durToSleep := 10 * time.Minute
if time.Now().Add(durToSleep).After(AppStopTime) {
log.Printf("[Part %d] Timeout(key = %v), PackageCrawler returns EOM",
pc.part, key)
return mr.EOM
}
log.Printf("[Part %d] Last ten crawling packages failed, sleep for a while...(current: %s)",
pc.part, pkg)
time.Sleep(durToSleep)
pc.failCount = 0
}
}
return nil
}
utils.LogError(store.AppendPackageEvent(site, path, "", time.Now(), sppb.HistoryEvent_Action_Success), "AppendPackageEvent %v %v failed", site, path)
pc.failCount = 0
if errorsp.Cause(err) == gcse.ErrPackageNotModifed {
// TODO crawling stars for unchanged project
log.Printf("[Part %d] Package %s unchanged!", pc.part, pkg)
schedulePackageNextCrawl(pkg, ent.Etag)
bi.AddValue(bi.Sum, "crawler.package.not-modified", 1)
return nil
}
bi.AddValue(bi.Sum, "crawler.package.success", 1)
if strings.HasPrefix(pkg, "github.com/") {
bi.AddValue(bi.Sum, "crawler.package.success.github", 1)
}
log.Printf("[Part %d] Crawled package %s success!", pc.part, pkg)
var pkgInfo *stpb.PackageInfo
if err := store.UpdatePackage(site, path, func(pi *stpb.PackageInfo) error {
fillPackageInfo(p, pi)
pkgInfo = pi
return nil
}); err != nil {
log.Printf("UpdatePackage %v %v failed: %v", site, path, err)
}
saveRelatedInfo(pkgInfo)
nda := gcse.NewDocAction{
Action: gcse.NDA_UPDATE,
DocInfo: packageToDoc(p),
}
c[0].Collect(sophie.RawString(pkg), &nda)
log.Printf("[Part %d] Package %s saved!", pc.part, pkg)
if !strings.HasPrefix(pkg, "github.com/") {
// github.com throttling is done within the GithubSpider.
time.Sleep(10 * time.Second)
}
return nil
}