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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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