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Side by Side Diff: blimp/net/compressed_packet_writer.cc

Issue 1962393004: Added a debug info UI for Blimp (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Changed implementation to receive synchronous calls Created 4 years, 7 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 #include "blimp/net/compressed_packet_writer.h" 5 #include "blimp/net/compressed_packet_writer.h"
6 6
7 #include <vector> 7 #include <vector>
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "base/numerics/safe_conversions.h" 10 #include "base/numerics/safe_conversions.h"
11 #include "base/sys_byteorder.h" 11 #include "base/sys_byteorder.h"
12 #include "blimp/net/blimp_connection_statistics.h"
12 #include "blimp/net/common.h" 13 #include "blimp/net/common.h"
13 #include "net/base/io_buffer.h" 14 #include "net/base/io_buffer.h"
14 #include "third_party/zlib/zlib.h" 15 #include "third_party/zlib/zlib.h"
15 16
16 namespace blimp { 17 namespace blimp {
17 namespace { 18 namespace {
18 19
19 // Allocate the maxmimum amount of memory to deflate (512KB) for higher 20 // Allocate the maxmimum amount of memory to deflate (512KB) for higher
20 // compression. (See zconf.h for details on memLevel semantics.) 21 // compression. (See zconf.h for details on memLevel semantics.)
21 const int kZlibMemoryLevel = 9; 22 const int kZlibMemoryLevel = 9;
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after
66 callback.Run(net::ERR_FILE_TOO_BIG); 67 callback.Run(net::ERR_FILE_TOO_BIG);
67 return; 68 return;
68 } 69 }
69 70
70 int compress_result = Compress(write_buffer, compressed_buf_); 71 int compress_result = Compress(write_buffer, compressed_buf_);
71 if (compress_result < 0) { 72 if (compress_result < 0) {
72 callback.Run(compress_result); 73 callback.Run(compress_result);
73 return; 74 return;
74 } 75 }
75 76
77 if (blimp_connection_statistics_) {
78 blimp_connection_statistics_->Add(BlimpConnectionStatistics::BYTES_SENT,
79 compress_result);
80 }
81
76 #if !defined(NDEBUG) 82 #if !defined(NDEBUG)
77 uncompressed_size_total_ += uncompressed_size; 83 uncompressed_size_total_ += uncompressed_size;
78 compressed_size_total_ += compress_result; 84 compressed_size_total_ += compress_result;
79 #endif // !defined(NDEBUG) 85 #endif // !defined(NDEBUG)
80 86
81 scoped_refptr<net::DrainableIOBuffer> compressed_outbuf( 87 scoped_refptr<net::DrainableIOBuffer> compressed_outbuf(
82 new net::DrainableIOBuffer(compressed_buf_.get(), compress_result)); 88 new net::DrainableIOBuffer(compressed_buf_.get(), compress_result));
83 sink_->WritePacket(compressed_outbuf, callback); 89 sink_->WritePacket(compressed_outbuf, callback);
84 DVLOG(4) << "deflate packet: " << uncompressed_size << " in, " 90 DVLOG(4) << "deflate packet: " << uncompressed_size << " in, "
85 << compress_result << " out."; 91 << compress_result << " out.";
(...skipping 28 matching lines...) Expand all
114 if (zlib_stream_.avail_in > 0) { 120 if (zlib_stream_.avail_in > 0) {
115 DLOG(ERROR) << "deflate() did not consume all data, remainder: " 121 DLOG(ERROR) << "deflate() did not consume all data, remainder: "
116 << zlib_stream_.avail_in << " bytes."; 122 << zlib_stream_.avail_in << " bytes.";
117 return net::ERR_UNEXPECTED; 123 return net::ERR_UNEXPECTED;
118 } 124 }
119 125
120 return zlib_output_ubound - zlib_stream_.avail_out; 126 return zlib_output_ubound - zlib_stream_.avail_out;
121 } 127 }
122 128
123 } // namespace blimp 129 } // namespace blimp
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