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1 // Copyright 2014 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 "components/cert_database/public/cert_database_service.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/bind_helpers.h" | |
9 #include "base/callback.h" | |
10 #include "base/location.h" | |
11 #include "base/single_thread_task_runner.h" | |
12 #include "base/thread_task_runner_handle.h" | |
13 #include "components/cert_database/public/cert_database_service_io_part.h" | |
14 #include "net/cert/nss_cert_database.h" | |
15 | |
16 namespace cert_database { | |
17 | |
18 namespace { | |
19 | |
20 void CallBackOnTaskRunner( | |
21 const scoped_refptr<base::TaskRunner>& task_runner, | |
22 const CertDatabaseService::GetCertDBCallback& callback, | |
23 net::NSSCertDatabase* cert_db) { | |
24 task_runner->PostTask(FROM_HERE, base::Bind(callback, cert_db)); | |
25 } | |
26 | |
27 void GetNSSCertDBOnIOThread( | |
28 base::WeakPtr<CertDatabaseServiceIOPart> io_part, | |
29 const CertDatabaseService::GetCertDBCallback& callback) { | |
30 if (!io_part) | |
31 return; | |
32 net::NSSCertDatabase* db = io_part->GetNSSCertDatabase(callback); | |
33 if (db) | |
34 callback.Run(db); | |
35 } | |
36 | |
37 void DestroyIOPart(const base::WeakPtr<CertDatabaseServiceIOPart>& io_part) { | |
38 if (!io_part) { | |
39 LOG(WARNING) << "CertDatabaseServiceIOPart already destructed."; | |
40 return; | |
41 } | |
42 delete io_part.get(); | |
43 } | |
44 | |
45 } // namespace | |
46 | |
47 CertDatabaseService::CertDatabaseService( | |
48 const scoped_refptr<base::SequencedTaskRunner>& io_task_runner) | |
49 : io_task_runner_(io_task_runner), is_io_part_set_(false) { | |
50 } | |
51 | |
52 CertDatabaseService::~CertDatabaseService() { | |
53 io_task_runner_->PostTask(FROM_HERE, base::Bind(&DestroyIOPart, io_part_)); | |
54 } | |
55 | |
56 void CertDatabaseService::GetNSSCertDatabase( | |
57 const GetCertDBCallback& callback) { | |
58 CHECK(is_io_part_set_); | |
59 GetCertDBCallback callback_on_origin_thread = base::Bind( | |
60 &CallBackOnTaskRunner, base::ThreadTaskRunnerHandle::Get(), callback); | |
61 io_task_runner_->PostTask( | |
62 FROM_HERE, | |
63 base::Bind(&GetNSSCertDBOnIOThread, io_part_, callback_on_origin_thread)); | |
64 } | |
65 | |
66 void CertDatabaseService::SetIOPart( | |
67 scoped_ptr<CertDatabaseServiceIOPart> io_part) { | |
68 DCHECK(!is_io_part_set_); | |
69 is_io_part_set_ = true; | |
70 io_part_ = io_part->GetWeakPtr(); | |
71 ignore_result(io_part.release()); | |
mmenke
2014/11/04 20:02:18
Who owns the io_part_ after this? It's not at all
pneubeck (no reviews)
2014/11/05 14:53:38
Added a comment to clarify (there was one in the h
| |
72 | |
73 // Must immediatly post to IO for initialization, so that subsequent accesses | |
74 // hit the IO thread after Init() was called. | |
75 io_task_runner_->PostTask( | |
76 FROM_HERE, base::Bind(&CertDatabaseServiceIOPart::Init, io_part_)); | |
77 } | |
78 | |
79 base::WeakPtr<CertDatabaseServiceIOPart> CertDatabaseService::GetIOPart() { | |
80 CHECK(is_io_part_set_); | |
81 return io_part_; | |
82 } | |
83 | |
84 } // namespace cert_database | |
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