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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_NET_STREAM_PACKET_READER_H_ | 5 #ifndef BLIMP_NET_STREAM_PACKET_READER_H_ |
6 #define BLIMP_NET_STREAM_PACKET_READER_H_ | 6 #define BLIMP_NET_STREAM_PACKET_READER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "blimp/net/blimp_net_export.h" | 13 #include "blimp/net/blimp_net_export.h" |
14 #include "blimp/net/packet_reader.h" | 14 #include "blimp/net/packet_reader.h" |
15 #include "net/base/completion_callback.h" | 15 #include "net/base/completion_callback.h" |
16 #include "net/base/net_errors.h" | 16 #include "net/base/net_errors.h" |
17 | 17 |
18 namespace net { | 18 namespace net { |
19 class GrowableIOBuffer; | 19 class GrowableIOBuffer; |
20 class StreamSocket; | 20 class StreamSocket; |
21 } // namespace net | 21 } // namespace net |
22 | 22 |
23 namespace blimp { | 23 namespace blimp { |
24 class BlimpConnectionStatistics; | |
25 | 24 |
26 // Reads opaque length-prefixed packets of bytes from a StreamSocket. | 25 // Reads opaque length-prefixed packets of bytes from a StreamSocket. |
27 // The header segment is 32-bit, encoded in network byte order. | 26 // The header segment is 32-bit, encoded in network byte order. |
28 // The body segment length is specified in the header (capped at | 27 // The body segment length is specified in the header (capped at |
29 // kMaxPacketPayloadSizeBytes). | 28 // kMaxPacketPayloadSizeBytes). |
30 class BLIMP_NET_EXPORT StreamPacketReader : public PacketReader { | 29 class BLIMP_NET_EXPORT StreamPacketReader : public PacketReader { |
31 public: | 30 public: |
32 // |socket|: The socket to read packets from. The caller must ensure |socket| | 31 // |socket|: The socket to read packets from. The caller must ensure |socket| |
33 // is valid while the reader is in-use (see ReadPacket below). | 32 // is valid while the reader is in-use (see ReadPacket below). |
34 // |statistics|: Statistics collector to keep track of number of bytes read. | 33 explicit StreamPacketReader(net::StreamSocket* socket); |
35 // |statistics| is expected to outlive |this|. | |
36 StreamPacketReader(net::StreamSocket* socket, | |
37 BlimpConnectionStatistics* statistics); | |
38 | 34 |
39 ~StreamPacketReader() override; | 35 ~StreamPacketReader() override; |
40 | 36 |
41 // PacketReader implementation. | 37 // PacketReader implementation. |
42 void ReadPacket(const scoped_refptr<net::GrowableIOBuffer>& buf, | 38 void ReadPacket(const scoped_refptr<net::GrowableIOBuffer>& buf, |
43 const net::CompletionCallback& cb) override; | 39 const net::CompletionCallback& cb) override; |
44 | 40 |
45 private: | 41 private: |
46 enum class ReadState { | 42 enum class ReadState { |
47 IDLE, | 43 IDLE, |
(...skipping 21 matching lines...) Expand all Loading... |
69 ReadState read_state_; | 65 ReadState read_state_; |
70 | 66 |
71 net::StreamSocket* socket_; | 67 net::StreamSocket* socket_; |
72 | 68 |
73 // The size of the payload, in bytes. | 69 // The size of the payload, in bytes. |
74 size_t payload_size_; | 70 size_t payload_size_; |
75 | 71 |
76 scoped_refptr<net::GrowableIOBuffer> header_buffer_; | 72 scoped_refptr<net::GrowableIOBuffer> header_buffer_; |
77 scoped_refptr<net::GrowableIOBuffer> payload_buffer_; | 73 scoped_refptr<net::GrowableIOBuffer> payload_buffer_; |
78 net::CompletionCallback callback_; | 74 net::CompletionCallback callback_; |
79 BlimpConnectionStatistics* statistics_; | |
80 | 75 |
81 base::WeakPtrFactory<StreamPacketReader> weak_factory_; | 76 base::WeakPtrFactory<StreamPacketReader> weak_factory_; |
82 | 77 |
83 DISALLOW_COPY_AND_ASSIGN(StreamPacketReader); | 78 DISALLOW_COPY_AND_ASSIGN(StreamPacketReader); |
84 }; | 79 }; |
85 | 80 |
86 } // namespace blimp | 81 } // namespace blimp |
87 | 82 |
88 #endif // BLIMP_NET_STREAM_PACKET_READER_H_ | 83 #endif // BLIMP_NET_STREAM_PACKET_READER_H_ |
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