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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 #include <ostream> | |
14 | |
15 #include "net/base/net_export.h" | |
16 | |
17 namespace net { | |
18 | |
19 // A struct for functions which consume data payloads and fins. | |
20 struct NET_EXPORT_PRIVATE QuicConsumedData { | |
21 QuicConsumedData(size_t bytes_consumed, bool fin_consumed); | |
22 | |
23 // By default, gtest prints the raw bytes of an object. The bool data | |
24 // member causes this object to have padding bytes, which causes the | |
25 // default gtest object printer to read uninitialize memory. So we need | |
26 // to teach gtest how to print this object. | |
27 NET_EXPORT_PRIVATE friend std::ostream& operator<<( | |
28 std::ostream& os, const QuicConsumedData& s); | |
29 | |
30 // How many bytes were consumed. | |
31 size_t bytes_consumed; | |
32 | |
33 // True if an incoming fin was consumed. | |
34 bool fin_consumed; | |
35 }; | |
36 | |
37 // QuicAsyncStatus enumerates the possible results of an asynchronous | |
38 // operation. | |
39 enum QuicAsyncStatus { | |
40 QUIC_SUCCESS = 0, | |
41 QUIC_FAILURE = 1, | |
42 // QUIC_PENDING results from an operation that will occur asynchonously. When | |
43 // the operation is complete, a callback's |Run| method will be called. | |
44 QUIC_PENDING = 2, | |
45 }; | |
46 | |
47 // TODO(wtc): see if WriteStatus can be replaced by QuicAsyncStatus. | |
48 enum WriteStatus { | |
49 WRITE_STATUS_OK, | |
50 WRITE_STATUS_BLOCKED, | |
51 WRITE_STATUS_ERROR, | |
52 }; | |
53 | |
54 // A struct used to return the result of write calls including either the number | |
55 // of bytes written or the error code, depending upon the status. | |
56 struct NET_EXPORT_PRIVATE WriteResult { | |
57 WriteResult(WriteStatus status, int bytes_written_or_error_code); | |
58 WriteResult(); | |
59 | |
60 WriteStatus status; | |
61 union { | |
62 int bytes_written; // only valid when status is WRITE_STATUS_OK | |
63 int error_code; // only valid when status is WRITE_STATUS_ERROR | |
64 }; | |
65 }; | |
66 | |
67 } // namespace net | |
68 | |
69 #endif // NET_QUIC_QUIC_TYPES_H_ | |
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