Golang Configuration.ConcurrentTransfers方法代碼示例

// LogHttpStats is intended to be called after all HTTP operations for the
// commmand have finished. It dumps k/v logs, one line per httpTransfer into
// a log file with the current timestamp.
func LogHttpStats(cfg *config.Configuration) {
	if !cfg.IsLoggingStats {
		return
	}

	file, err := statsLogFile()
	if err != nil {
		fmt.Fprintf(os.Stderr, "Error logging http stats: %s\n", err)
		return
	}

	fmt.Fprintf(file, "concurrent=%d batch=%v time=%d version=%s\n", cfg.ConcurrentTransfers(), cfg.BatchTransfer(), time.Now().Unix(), config.Version)

	for key, responses := range httpTransferBuckets {
		for _, response := range responses {
			stats := httpTransfers[response]
			fmt.Fprintf(file, "key=%s reqheader=%d reqbody=%d resheader=%d resbody=%d restime=%d status=%d url=%s\n",
				key,
				stats.requestStats.HeaderSize,
				stats.requestStats.BodySize,
				stats.responseStats.HeaderSize,
				stats.responseStats.BodySize,
				stats.responseStats.Stop.Sub(stats.responseStats.Start).Nanoseconds(),
				response.StatusCode,
				response.Request.URL)
		}
	}

	fmt.Fprintf(os.Stderr, "HTTP Stats logged to file %s\n", file.Name())
}

func Environ(cfg *config.Configuration, manifest *transfer.Manifest) []string {
	osEnviron := os.Environ()
	env := make([]string, 0, len(osEnviron)+7)

	dltransfers := manifest.GetDownloadAdapterNames()
	sort.Strings(dltransfers)
	ultransfers := manifest.GetUploadAdapterNames()
	sort.Strings(ultransfers)

	fetchPruneConfig := cfg.FetchPruneConfig()

	env = append(env,
		fmt.Sprintf("LocalWorkingDir=%s", config.LocalWorkingDir),
		fmt.Sprintf("LocalGitDir=%s", config.LocalGitDir),
		fmt.Sprintf("LocalGitStorageDir=%s", config.LocalGitStorageDir),
		fmt.Sprintf("LocalMediaDir=%s", LocalMediaDir()),
		fmt.Sprintf("LocalReferenceDir=%s", config.LocalReferenceDir),
		fmt.Sprintf("TempDir=%s", TempDir()),
		fmt.Sprintf("ConcurrentTransfers=%d", cfg.ConcurrentTransfers()),
		fmt.Sprintf("TusTransfers=%v", cfg.TusTransfersAllowed()),
		fmt.Sprintf("BasicTransfersOnly=%v", cfg.BasicTransfersOnly()),
		fmt.Sprintf("BatchTransfer=%v", cfg.BatchTransfer()),
		fmt.Sprintf("SkipDownloadErrors=%v", cfg.SkipDownloadErrors()),
		fmt.Sprintf("FetchRecentAlways=%v", fetchPruneConfig.FetchRecentAlways),
		fmt.Sprintf("FetchRecentRefsDays=%d", fetchPruneConfig.FetchRecentRefsDays),
		fmt.Sprintf("FetchRecentCommitsDays=%d", fetchPruneConfig.FetchRecentCommitsDays),
		fmt.Sprintf("FetchRecentRefsIncludeRemotes=%v", fetchPruneConfig.FetchRecentRefsIncludeRemotes),
		fmt.Sprintf("PruneOffsetDays=%d", fetchPruneConfig.PruneOffsetDays),
		fmt.Sprintf("PruneVerifyRemoteAlways=%v", fetchPruneConfig.PruneVerifyRemoteAlways),
		fmt.Sprintf("PruneRemoteName=%s", fetchPruneConfig.PruneRemoteName),
		fmt.Sprintf("AccessDownload=%s", cfg.Access("download")),
		fmt.Sprintf("AccessUpload=%s", cfg.Access("upload")),
		fmt.Sprintf("DownloadTransfers=%s", strings.Join(dltransfers, ",")),
		fmt.Sprintf("UploadTransfers=%s", strings.Join(ultransfers, ",")),
	)
	if len(cfg.FetchExcludePaths()) > 0 {
		env = append(env, fmt.Sprintf("FetchExclude=%s", strings.Join(cfg.FetchExcludePaths(), ", ")))
	}
	if len(cfg.FetchIncludePaths()) > 0 {
		env = append(env, fmt.Sprintf("FetchInclude=%s", strings.Join(cfg.FetchIncludePaths(), ", ")))
	}
	for _, ext := range cfg.Extensions() {
		env = append(env, fmt.Sprintf("Extension[%d]=%s", ext.Priority, ext.Name))
	}

	for _, e := range osEnviron {
		if !strings.Contains(e, "GIT_") {
			continue
		}
		env = append(env, e)
	}

	return env
}

// NewHttpClient returns a new HttpClient for the given host (which may be "host:port")
func NewHttpClient(c *config.Configuration, host string) *HttpClient {
	httpClientsMutex.Lock()
	defer httpClientsMutex.Unlock()

	if httpClients == nil {
		httpClients = make(map[string]*HttpClient)
	}
	if client, ok := httpClients[host]; ok {
		return client
	}

	dialtime := c.Git.Int("lfs.dialtimeout", 30)
	keepalivetime := c.Git.Int("lfs.keepalive", 1800) // 30 minutes
	tlstime := c.Git.Int("lfs.tlstimeout", 30)

	tr := &http.Transport{
		Proxy: ProxyFromGitConfigOrEnvironment(c),
		Dial: (&net.Dialer{
			Timeout:   time.Duration(dialtime) * time.Second,
			KeepAlive: time.Duration(keepalivetime) * time.Second,
		}).Dial,
		TLSHandshakeTimeout: time.Duration(tlstime) * time.Second,
		MaxIdleConnsPerHost: c.ConcurrentTransfers(),
	}

	tr.TLSClientConfig = &tls.Config{}
	if isCertVerificationDisabledForHost(c, host) {
		tr.TLSClientConfig.InsecureSkipVerify = true
	} else {
		tr.TLSClientConfig.RootCAs = getRootCAsForHost(c, host)
	}

	client := &HttpClient{
		Config: c,
		Client: &http.Client{Transport: tr, CheckRedirect: CheckRedirect},
	}
	httpClients[host] = client

	return client
}