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| 1 // Copyright (c) 2011 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 #include "net/ftp/ftp_ctrl_response_buffer.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/strings/string_number_conversions.h" | |
| 10 #include "base/strings/string_piece.h" | |
| 11 #include "base/values.h" | |
| 12 #include "net/base/net_errors.h" | |
| 13 | |
| 14 namespace net { | |
| 15 | |
| 16 // static | |
| 17 const int FtpCtrlResponse::kInvalidStatusCode = -1; | |
| 18 | |
| 19 FtpCtrlResponse::FtpCtrlResponse() : status_code(kInvalidStatusCode) {} | |
| 20 | |
| 21 FtpCtrlResponse::~FtpCtrlResponse() {} | |
| 22 | |
| 23 FtpCtrlResponseBuffer::FtpCtrlResponseBuffer(const BoundNetLog& net_log) | |
| 24 : multiline_(false), | |
| 25 net_log_(net_log) { | |
| 26 } | |
| 27 | |
| 28 FtpCtrlResponseBuffer::~FtpCtrlResponseBuffer() {} | |
| 29 | |
| 30 int FtpCtrlResponseBuffer::ConsumeData(const char* data, int data_length) { | |
| 31 buffer_.append(data, data_length); | |
| 32 ExtractFullLinesFromBuffer(); | |
| 33 | |
| 34 while (!lines_.empty()) { | |
| 35 ParsedLine line = lines_.front(); | |
| 36 lines_.pop(); | |
| 37 | |
| 38 if (multiline_) { | |
| 39 if (!line.is_complete || line.status_code != response_buf_.status_code) { | |
| 40 line_buf_.append(line.raw_text); | |
| 41 continue; | |
| 42 } | |
| 43 | |
| 44 response_buf_.lines.push_back(line_buf_); | |
| 45 | |
| 46 line_buf_ = line.status_text; | |
| 47 DCHECK_EQ(line.status_code, response_buf_.status_code); | |
| 48 | |
| 49 if (!line.is_multiline) { | |
| 50 response_buf_.lines.push_back(line_buf_); | |
| 51 responses_.push(response_buf_); | |
| 52 | |
| 53 // Prepare to handle following lines. | |
| 54 response_buf_ = FtpCtrlResponse(); | |
| 55 line_buf_.clear(); | |
| 56 multiline_ = false; | |
| 57 } | |
| 58 } else { | |
| 59 if (!line.is_complete) | |
| 60 return ERR_INVALID_RESPONSE; | |
| 61 | |
| 62 response_buf_.status_code = line.status_code; | |
| 63 if (line.is_multiline) { | |
| 64 line_buf_ = line.status_text; | |
| 65 multiline_ = true; | |
| 66 } else { | |
| 67 response_buf_.lines.push_back(line.status_text); | |
| 68 responses_.push(response_buf_); | |
| 69 | |
| 70 // Prepare to handle following lines. | |
| 71 response_buf_ = FtpCtrlResponse(); | |
| 72 line_buf_.clear(); | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 return OK; | |
| 78 } | |
| 79 | |
| 80 namespace { | |
| 81 | |
| 82 base::Value* NetLogFtpCtrlResponseCallback(const FtpCtrlResponse* response, | |
| 83 NetLog::LogLevel log_level) { | |
| 84 base::ListValue* lines = new base::ListValue(); | |
| 85 lines->AppendStrings(response->lines); | |
| 86 | |
| 87 base::DictionaryValue* dict = new base::DictionaryValue(); | |
| 88 dict->SetInteger("status_code", response->status_code); | |
| 89 dict->Set("lines", lines); | |
| 90 return dict; | |
| 91 } | |
| 92 | |
| 93 } // namespace | |
| 94 | |
| 95 FtpCtrlResponse FtpCtrlResponseBuffer::PopResponse() { | |
| 96 FtpCtrlResponse result = responses_.front(); | |
| 97 responses_.pop(); | |
| 98 | |
| 99 net_log_.AddEvent(NetLog::TYPE_FTP_CONTROL_RESPONSE, | |
| 100 base::Bind(&NetLogFtpCtrlResponseCallback, &result)); | |
| 101 | |
| 102 return result; | |
| 103 } | |
| 104 | |
| 105 FtpCtrlResponseBuffer::ParsedLine::ParsedLine() | |
| 106 : has_status_code(false), | |
| 107 is_multiline(false), | |
| 108 is_complete(false), | |
| 109 status_code(FtpCtrlResponse::kInvalidStatusCode) { | |
| 110 } | |
| 111 | |
| 112 // static | |
| 113 FtpCtrlResponseBuffer::ParsedLine FtpCtrlResponseBuffer::ParseLine( | |
| 114 const std::string& line) { | |
| 115 ParsedLine result; | |
| 116 | |
| 117 if (line.length() >= 3) { | |
| 118 if (base::StringToInt(base::StringPiece(line.begin(), line.begin() + 3), | |
| 119 &result.status_code)) | |
| 120 result.has_status_code = (100 <= result.status_code && | |
| 121 result.status_code <= 599); | |
| 122 if (result.has_status_code && line.length() >= 4 && line[3] == ' ') { | |
| 123 result.is_complete = true; | |
| 124 } else if (result.has_status_code && line.length() >= 4 && line[3] == '-') { | |
| 125 result.is_complete = true; | |
| 126 result.is_multiline = true; | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 if (result.is_complete) { | |
| 131 result.status_text = line.substr(4); | |
| 132 } else { | |
| 133 result.status_text = line; | |
| 134 } | |
| 135 | |
| 136 result.raw_text = line; | |
| 137 | |
| 138 return result; | |
| 139 } | |
| 140 | |
| 141 void FtpCtrlResponseBuffer::ExtractFullLinesFromBuffer() { | |
| 142 int cut_pos = 0; | |
| 143 for (size_t i = 0; i < buffer_.length(); i++) { | |
| 144 if (i >= 1 && buffer_[i - 1] == '\r' && buffer_[i] == '\n') { | |
| 145 lines_.push(ParseLine(buffer_.substr(cut_pos, i - cut_pos - 1))); | |
| 146 cut_pos = i + 1; | |
| 147 } | |
| 148 } | |
| 149 buffer_.erase(0, cut_pos); | |
| 150 } | |
| 151 | |
| 152 } // namespace net | |
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Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master