url_request_tracking.cc revision 21d179b334e59e9a3bfcaed4c4430bef1bc5759d 
1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/net/url_request_tracking.h"
6
7#include "base/basictypes.h"
8#include "net/url_request/url_request.h"
9
10namespace {
11
12// The value is not important, this address is used as the unique key for the
13// PID.
14const void* kOriginProcessUniqueIDKey = 0;
15
16class UniqueIDData : public net::URLRequest::UserData {
17 public:
18  explicit UniqueIDData(int id) : id_(id) {}
19  virtual ~UniqueIDData() {}
20
21  int id() const { return id_; }
22  void set_id(int id) { id_ = id; }
23
24 private:
25  int id_;
26
27  DISALLOW_COPY_AND_ASSIGN(UniqueIDData);
28};
29
30}  // namespace
31
32namespace chrome_browser_net {
33
34void SetOriginProcessUniqueIDForRequest(int id, net::URLRequest* request) {
35  // The request will take ownership.
36  request->SetUserData(&kOriginProcessUniqueIDKey, new UniqueIDData(id));
37}
38
39int GetOriginProcessUniqueIDForRequest(const net::URLRequest* request) {
40  const UniqueIDData* data = static_cast<const UniqueIDData*>(
41      request->GetUserData(&kOriginProcessUniqueIDKey));
42  if (!data)
43    return -1;
44  return data->id();
45}
46
47}  // namespace chrome_browser_net
48