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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()); |
| 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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