mirror of https://github.com/perkeep/perkeep.git
122 lines
2.6 KiB
Go
122 lines
2.6 KiB
Go
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package client
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import (
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"fmt"
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"http"
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"log"
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"os"
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"sync"
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)
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type Stats struct {
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// The number of uploads that were requested, but perhaps
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// not actually performed if the server already had the items.
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UploadRequests ByCountAndBytes
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// The uploads which were actually sent to the blobserver
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// due to the server not having the blobs
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Uploads ByCountAndBytes
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}
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func (s *Stats) String() string {
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return "[uploadRequests=" + s.UploadRequests.String() + " uploads=" + s.Uploads.String() + "]"
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}
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type Client struct {
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server string // URL prefix before "/camli/"
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password string
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httpClient *http.Client
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statsMutex sync.Mutex
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stats Stats
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log *log.Logger // not nil
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}
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type ByCountAndBytes struct {
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Blobs int
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Bytes int64
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}
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func (bb *ByCountAndBytes) String() string {
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return fmt.Sprintf("[blobs=%d bytes=%d]", bb.Blobs, bb.Bytes)
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}
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func New(server, password string) *Client {
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return &Client{
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server: server,
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password: password,
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httpClient: http.DefaultClient,
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}
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}
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func (c *Client) SetHttpClient(client *http.Client) {
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c.httpClient = client
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}
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func NewOrFail() *Client {
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log := log.New(os.Stderr, "", log.Ldate|log.Ltime)
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return &Client{
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server: blobServerOrDie(),
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password: passwordOrDie(),
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httpClient: http.DefaultClient,
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log: log,
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}
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}
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type devNullWriter struct{}
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func (_ *devNullWriter) Write(p []byte) (int, os.Error) {
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return len(p), nil
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}
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func (c *Client) SetLogger(logger *log.Logger) {
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if logger == nil {
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c.log = log.New(&devNullWriter{}, "", 0)
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} else {
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c.log = logger
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}
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}
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func (c *Client) Stats() Stats {
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c.statsMutex.Lock()
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defer c.statsMutex.Unlock()
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return c.stats // copy
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}
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func (c *Client) HasAuthCredentials() bool {
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return c.password != ""
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}
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func (c *Client) newRequest(method, url string) *http.Request {
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req, err := http.NewRequest(method, url, nil)
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if err != nil {
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panic(err.String())
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}
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c.addAuthHeader(req)
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return req
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}
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func (c *Client) addAuthHeader(req *http.Request) {
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if c.HasAuthCredentials() {
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req.SetBasicAuth("username", c.password)
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}
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}
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