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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 #ifndef NET_QUIC_QUIC_TYPES_H_ | |
6 #define NET_QUIC_QUIC_TYPES_H_ | |
7 | |
8 // This header defines some basic types that don't depend on quic_protocol.h, | |
9 // so that classes not directly related to the protocol wire format can avoid | |
10 // including quic_protocol.h. | |
11 | |
12 #include <stddef.h> | |
13 | |
14 #include <ostream> | |
15 | |
16 #include "net/base/net_export.h" | |
17 | |
18 namespace net { | |
19 | |
20 // A struct for functions which consume data payloads and fins. | |
21 struct NET_EXPORT_PRIVATE QuicConsumedData { | |
22 QuicConsumedData(size_t bytes_consumed, bool fin_consumed); | |
23 | |
24 // By default, gtest prints the raw bytes of an object. The bool data | |
25 // member causes this object to have padding bytes, which causes the | |
26 // default gtest object printer to read uninitialize memory. So we need | |
27 // to teach gtest how to print this object. | |
28 NET_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& os, | |
29 const QuicConsumedData& s); | |
30 | |
31 // How many bytes were consumed. | |
32 size_t bytes_consumed; | |
33 | |
34 // True if an incoming fin was consumed. | |
35 bool fin_consumed; | |
36 }; | |
37 | |
38 // QuicAsyncStatus enumerates the possible results of an asynchronous | |
39 // operation. | |
40 enum QuicAsyncStatus { | |
41 QUIC_SUCCESS = 0, | |
42 QUIC_FAILURE = 1, | |
43 // QUIC_PENDING results from an operation that will occur asynchonously. When | |
44 // the operation is complete, a callback's |Run| method will be called. | |
45 QUIC_PENDING = 2, | |
46 }; | |
47 | |
48 // TODO(wtc): see if WriteStatus can be replaced by QuicAsyncStatus. | |
49 enum WriteStatus { | |
50 WRITE_STATUS_OK, | |
51 WRITE_STATUS_BLOCKED, | |
52 WRITE_STATUS_ERROR, | |
53 }; | |
54 | |
55 // A struct used to return the result of write calls including either the number | |
56 // of bytes written or the error code, depending upon the status. | |
57 struct NET_EXPORT_PRIVATE WriteResult { | |
58 WriteResult(WriteStatus status, int bytes_written_or_error_code); | |
59 WriteResult(); | |
60 | |
61 WriteStatus status; | |
62 union { | |
63 int bytes_written; // only valid when status is WRITE_STATUS_OK | |
64 int error_code; // only valid when status is WRITE_STATUS_ERROR | |
65 }; | |
66 }; | |
67 | |
68 } // namespace net | |
69 | |
70 #endif // NET_QUIC_QUIC_TYPES_H_ | |
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