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Side by Side Diff: blimp/client/session/assignment_source.h

Issue 1687393002: Add assigner support to Blimp (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_ 5 #ifndef BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
6 #define BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_ 6 #define BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
11 #include "blimp/client/blimp_client_export.h" 11 #include "blimp/client/blimp_client_export.h"
12 #include "net/base/ip_endpoint.h" 12 #include "net/base/ip_endpoint.h"
13 #include "net/url_request/url_fetcher.h"
14 #include "net/url_request/url_fetcher_delegate.h"
13 15
14 namespace base { 16 namespace base {
15 class SingleThreadTaskRunner; 17 class SingleThreadTaskRunner;
16 } 18 }
17 19
20 namespace net {
21 class URLFetcher;
22 class URLRequestContextGetter;
23 }
24
18 namespace blimp { 25 namespace blimp {
19 namespace client { 26 namespace client {
20 27
28 // A Java counterpart will be generated for this enum.
29 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.blimp
Kevin M 2016/02/12 19:45:27 You can move this enum into AssignmentSource and j
David Trainor- moved to gerrit 2016/02/17 21:09:48 Done. The java classname is a little odd but I ad
30 enum AssignmentSourceResult {
31 ASSIGNMENT_SOURCE_RESULT_UNKNOWN = 0,
32 ASSIGNMENT_SOURCE_RESULT_OKAY = 1,
33 ASSIGNMENT_SOURCE_RESULT_BAD_REQUEST = 2,
34 ASSIGNMENT_SOURCE_RESULT_BAD_RESPONSE = 3,
35 ASSIGNMENT_SOURCE_RESULT_INVALID_PROTOCOL_VERSION = 4,
36 ASSIGNMENT_SOURCE_RESULT_EXPIRED_ACCESS_TOKEN = 5,
37 ASSIGNMENT_SOURCE_RESULT_USER_INVALID = 6,
38 ASSIGNMENT_SOURCE_RESULT_OUT_OF_VMS = 7,
39 ASSIGNMENT_SOURCE_RESULT_SERVER_ERROR = 8,
40 ASSIGNMENT_SOURCE_RESULT_SERVER_INTERRUPTED = 9,
41 ASSIGNMENT_SOURCE_RESULT_NETWORK_FAILURE = 10
42 };
43
21 // An Assignment contains the configuration data needed for a client 44 // An Assignment contains the configuration data needed for a client
22 // to connect to the engine. 45 // to connect to the engine.
23 struct BLIMP_CLIENT_EXPORT Assignment { 46 struct BLIMP_CLIENT_EXPORT Assignment {
24 net::IPEndPoint ip_endpoint; 47 net::IPEndPoint ip_endpoint;
25 std::string client_token; 48 std::string client_token;
49 std::string certificate;
50 std::string certificate_fingerprint;
26 }; 51 };
27 52
28 // AssignmentSource provides functionality to find out how a client should 53 // AssignmentSource provides functionality to find out how a client should
29 // connect to an engine. 54 // connect to an engine.
30 class BLIMP_CLIENT_EXPORT AssignmentSource { 55 class BLIMP_CLIENT_EXPORT AssignmentSource : public net::URLFetcherDelegate {
31 public: 56 public:
32 typedef const base::Callback<void(const Assignment&)> AssignmentCallback; 57 typedef const base::Callback<void(AssignmentSourceResult, const Assignment&)>
58 AssignmentCallback;
33 59
34 // The |main_task_runner| should be the task runner for the UI thread because 60 // The |main_task_runner| should be the task runner for the UI thread because
35 // this will in some cases be used to trigger user interaction on the UI 61 // this will in some cases be used to trigger user interaction on the UI
36 // thread. 62 // thread.
37 AssignmentSource( 63 AssignmentSource(
38 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner); 64 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
65 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
39 virtual ~AssignmentSource(); 66 virtual ~AssignmentSource();
40 67
41 // Retrieves a valid assignment for the client and posts the result to the 68 // Retrieves a valid assignment for the client and posts the result to the
42 // given callback. 69 // given callback. |token| is the authentication token to send to the
43 void GetAssignment(const AssignmentCallback& callback); 70 // assigner when requesting an assignment.
71 void GetAssignment(const std::string& token,
72 const AssignmentCallback& callback);
73
74 // net::URLFetcherDelegate implementation:
75 void OnURLFetchComplete(const net::URLFetcher* source) override;
44 76
45 private: 77 private:
78 void RespondWithAssignment(const Assignment& assignment);
79 void RespondWithError(AssignmentSourceResult result);
80
46 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; 81 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
47 82
83 scoped_refptr<net::URLRequestContextGetter> url_request_context_;
84 scoped_ptr<net::URLFetcher> url_fetcher_;
85
86 scoped_ptr<AssignmentCallback> callback_;
Kevin M 2016/02/12 19:45:27 No need to put it in a scoped ptr
David Trainor- moved to gerrit 2016/02/17 21:09:48 Done.
87
48 DISALLOW_COPY_AND_ASSIGN(AssignmentSource); 88 DISALLOW_COPY_AND_ASSIGN(AssignmentSource);
49 }; 89 };
50 90
51 } // namespace client 91 } // namespace client
52 } // namespace blimp 92 } // namespace blimp
53 93
54 #endif // BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_ 94 #endif // BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
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