Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 1 | // Copyright (c) 2013 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 "chrome/browser/devtools/adb_client_socket.h" |
| 6 | |
| 7 | #include "base/bind.h" |
| 8 | #include "base/compiler_specific.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 9 | #include "base/strings/string_number_conversions.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 10 | #include "base/strings/string_util.h" |
| 11 | #include "base/strings/stringprintf.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 12 | #include "net/base/address_list.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 13 | #include "net/base/completion_callback.h" |
| 14 | #include "net/base/net_errors.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 15 | #include "net/base/net_util.h" |
| 16 | #include "net/socket/tcp_client_socket.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 17 | |
| 18 | namespace { |
| 19 | |
| 20 | const int kBufferSize = 16 * 1024; |
| 21 | const int kResponseBufferSize = 16; |
| 22 | const char kOkayResponse[] = "OKAY"; |
| 23 | const char kHostTransportCommand[] = "host:transport:%s"; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 24 | const char kLocalhost[] = "127.0.0.1"; |
| 25 | |
| 26 | typedef base::Callback<void(int, const std::string&)> CommandCallback; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 27 | typedef base::Callback<void(int, net::StreamSocket*)> SocketCallback; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 28 | |
| 29 | std::string EncodeMessage(const std::string& message) { |
| 30 | static const char kHexChars[] = "0123456789ABCDEF"; |
| 31 | |
| 32 | size_t length = message.length(); |
| 33 | std::string result(4, '\0'); |
| 34 | char b = reinterpret_cast<const char*>(&length)[1]; |
| 35 | result[0] = kHexChars[(b >> 4) & 0xf]; |
| 36 | result[1] = kHexChars[b & 0xf]; |
| 37 | b = reinterpret_cast<const char*>(&length)[0]; |
| 38 | result[2] = kHexChars[(b >> 4) & 0xf]; |
| 39 | result[3] = kHexChars[b & 0xf]; |
| 40 | return result + message; |
| 41 | } |
| 42 | |
| 43 | class AdbTransportSocket : public AdbClientSocket { |
| 44 | public: |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 45 | AdbTransportSocket(int port, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 46 | const std::string& serial, |
| 47 | const std::string& socket_name, |
| 48 | const SocketCallback& callback) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 49 | : AdbClientSocket(port), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 50 | serial_(serial), |
| 51 | socket_name_(socket_name), |
| 52 | callback_(callback) { |
| 53 | Connect(base::Bind(&AdbTransportSocket::OnConnected, |
| 54 | base::Unretained(this))); |
| 55 | } |
| 56 | |
| 57 | private: |
| 58 | ~AdbTransportSocket() {} |
| 59 | |
| 60 | void OnConnected(int result) { |
| 61 | if (!CheckNetResultOrDie(result)) |
| 62 | return; |
| 63 | SendCommand(base::StringPrintf(kHostTransportCommand, serial_.c_str()), |
| 64 | true, base::Bind(&AdbTransportSocket::SendLocalAbstract, |
| 65 | base::Unretained(this))); |
| 66 | } |
| 67 | |
| 68 | void SendLocalAbstract(int result, const std::string& response) { |
| 69 | if (!CheckNetResultOrDie(result)) |
| 70 | return; |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 71 | SendCommand(socket_name_, true, |
| 72 | base::Bind(&AdbTransportSocket::OnSocketAvailable, |
| 73 | base::Unretained(this))); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | void OnSocketAvailable(int result, const std::string& response) { |
| 77 | if (!CheckNetResultOrDie(result)) |
| 78 | return; |
| 79 | callback_.Run(net::OK, socket_.release()); |
| 80 | delete this; |
| 81 | } |
| 82 | |
| 83 | bool CheckNetResultOrDie(int result) { |
| 84 | if (result >= 0) |
| 85 | return true; |
| 86 | callback_.Run(result, NULL); |
| 87 | delete this; |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | std::string serial_; |
| 92 | std::string socket_name_; |
| 93 | SocketCallback callback_; |
| 94 | }; |
| 95 | |
| 96 | class HttpOverAdbSocket { |
| 97 | public: |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 98 | HttpOverAdbSocket(net::StreamSocket* socket, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 99 | const std::string& request, |
| 100 | const CommandCallback& callback) |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 101 | : socket_(socket), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 102 | command_callback_(callback), |
| 103 | body_pos_(0) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 104 | SendRequest(request); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 107 | HttpOverAdbSocket(net::StreamSocket* socket, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 108 | const std::string& request, |
| 109 | const SocketCallback& callback) |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 110 | : socket_(socket), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 111 | socket_callback_(callback), |
| 112 | body_pos_(0) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 113 | SendRequest(request); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | private: |
| 117 | ~HttpOverAdbSocket() { |
| 118 | } |
| 119 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 120 | void SendRequest(const std::string& request) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 121 | scoped_refptr<net::StringIOBuffer> request_buffer = |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 122 | new net::StringIOBuffer(request); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 123 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 124 | int result = socket_->Write( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 125 | request_buffer.get(), |
| 126 | request_buffer->size(), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 127 | base::Bind(&HttpOverAdbSocket::ReadResponse, base::Unretained(this))); |
| 128 | if (result != net::ERR_IO_PENDING) |
| 129 | ReadResponse(result); |
| 130 | } |
| 131 | |
| 132 | void ReadResponse(int result) { |
| 133 | if (!CheckNetResultOrDie(result)) |
| 134 | return; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 135 | scoped_refptr<net::IOBuffer> response_buffer = |
| 136 | new net::IOBuffer(kBufferSize); |
| 137 | |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 138 | result = socket_->Read(response_buffer.get(), |
| 139 | kBufferSize, |
| 140 | base::Bind(&HttpOverAdbSocket::OnResponseData, |
| 141 | base::Unretained(this), |
| 142 | response_buffer, |
| 143 | -1)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 144 | if (result != net::ERR_IO_PENDING) |
| 145 | OnResponseData(response_buffer, -1, result); |
| 146 | } |
| 147 | |
| 148 | void OnResponseData(scoped_refptr<net::IOBuffer> response_buffer, |
| 149 | int bytes_total, |
| 150 | int result) { |
| 151 | if (!CheckNetResultOrDie(result)) |
| 152 | return; |
| 153 | if (result == 0) { |
| 154 | CheckNetResultOrDie(net::ERR_CONNECTION_CLOSED); |
| 155 | return; |
| 156 | } |
| 157 | |
| 158 | response_ += std::string(response_buffer->data(), result); |
| 159 | int expected_length = 0; |
| 160 | if (bytes_total < 0) { |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 161 | // TODO(kaznacheev): Use net::HttpResponseHeader to parse the header. |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 162 | size_t content_pos = response_.find("Content-Length:"); |
| 163 | if (content_pos != std::string::npos) { |
| 164 | size_t endline_pos = response_.find("\n", content_pos); |
| 165 | if (endline_pos != std::string::npos) { |
| 166 | std::string len = response_.substr(content_pos + 15, |
| 167 | endline_pos - content_pos - 15); |
| 168 | TrimWhitespace(len, TRIM_ALL, &len); |
| 169 | if (!base::StringToInt(len, &expected_length)) { |
| 170 | CheckNetResultOrDie(net::ERR_FAILED); |
| 171 | return; |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | body_pos_ = response_.find("\r\n\r\n"); |
| 177 | if (body_pos_ != std::string::npos) { |
| 178 | body_pos_ += 4; |
| 179 | bytes_total = body_pos_ + expected_length; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | if (bytes_total == static_cast<int>(response_.length())) { |
| 184 | if (!command_callback_.is_null()) |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 185 | command_callback_.Run(net::OK, response_.substr(body_pos_)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 186 | else |
| 187 | socket_callback_.Run(net::OK, socket_.release()); |
| 188 | delete this; |
| 189 | return; |
| 190 | } |
| 191 | |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 192 | result = socket_->Read(response_buffer.get(), |
| 193 | kBufferSize, |
| 194 | base::Bind(&HttpOverAdbSocket::OnResponseData, |
| 195 | base::Unretained(this), |
| 196 | response_buffer, |
| 197 | bytes_total)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 198 | if (result != net::ERR_IO_PENDING) |
| 199 | OnResponseData(response_buffer, bytes_total, result); |
| 200 | } |
| 201 | |
| 202 | bool CheckNetResultOrDie(int result) { |
| 203 | if (result >= 0) |
| 204 | return true; |
| 205 | if (!command_callback_.is_null()) |
| 206 | command_callback_.Run(result, std::string()); |
| 207 | else |
| 208 | socket_callback_.Run(result, NULL); |
| 209 | delete this; |
| 210 | return false; |
| 211 | } |
| 212 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 213 | scoped_ptr<net::StreamSocket> socket_; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 214 | std::string response_; |
| 215 | CommandCallback command_callback_; |
| 216 | SocketCallback socket_callback_; |
| 217 | size_t body_pos_; |
| 218 | }; |
| 219 | |
| 220 | class AdbQuerySocket : AdbClientSocket { |
| 221 | public: |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 222 | AdbQuerySocket(int port, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 223 | const std::string& query, |
| 224 | const CommandCallback& callback) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 225 | : AdbClientSocket(port), |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 226 | current_query_(0), |
| 227 | callback_(callback) { |
| 228 | if (Tokenize(query, "|", &queries_) == 0) { |
| 229 | CheckNetResultOrDie(net::ERR_INVALID_ARGUMENT); |
| 230 | return; |
| 231 | } |
| 232 | Connect(base::Bind(&AdbQuerySocket::SendNextQuery, |
| 233 | base::Unretained(this))); |
| 234 | } |
| 235 | |
| 236 | private: |
| 237 | ~AdbQuerySocket() { |
| 238 | } |
| 239 | |
| 240 | void SendNextQuery(int result) { |
| 241 | if (!CheckNetResultOrDie(result)) |
| 242 | return; |
| 243 | std::string query = queries_[current_query_]; |
| 244 | if (query.length() > 0xFFFF) { |
| 245 | CheckNetResultOrDie(net::ERR_MSG_TOO_BIG); |
| 246 | return; |
| 247 | } |
| 248 | bool is_void = current_query_ < queries_.size() - 1; |
| 249 | SendCommand(query, is_void, |
| 250 | base::Bind(&AdbQuerySocket::OnResponse, base::Unretained(this))); |
| 251 | } |
| 252 | |
| 253 | void OnResponse(int result, const std::string& response) { |
| 254 | if (++current_query_ < queries_.size()) { |
| 255 | SendNextQuery(net::OK); |
| 256 | } else { |
| 257 | callback_.Run(result, response); |
| 258 | delete this; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | bool CheckNetResultOrDie(int result) { |
| 263 | if (result >= 0) |
| 264 | return true; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 265 | callback_.Run(result, std::string()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 266 | delete this; |
| 267 | return false; |
| 268 | } |
| 269 | |
| 270 | std::vector<std::string> queries_; |
| 271 | size_t current_query_; |
| 272 | CommandCallback callback_; |
| 273 | }; |
| 274 | |
| 275 | } // namespace |
| 276 | |
| 277 | // static |
| 278 | void AdbClientSocket::AdbQuery(int port, |
| 279 | const std::string& query, |
| 280 | const CommandCallback& callback) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 281 | new AdbQuerySocket(port, query, callback); |
| 282 | } |
| 283 | |
| 284 | #if defined(DEBUG_DEVTOOLS) |
| 285 | static void UseTransportQueryForDesktop(const SocketCallback& callback, |
| 286 | net::StreamSocket* socket, |
| 287 | int result) { |
| 288 | callback.Run(result, socket); |
| 289 | } |
| 290 | #endif // defined(DEBUG_DEVTOOLS) |
| 291 | |
| 292 | // static |
| 293 | void AdbClientSocket::TransportQuery(int port, |
| 294 | const std::string& serial, |
| 295 | const std::string& socket_name, |
| 296 | const SocketCallback& callback) { |
| 297 | #if defined(DEBUG_DEVTOOLS) |
| 298 | if (serial.empty()) { |
| 299 | // Use plain socket for remote debugging on Desktop (debugging purposes). |
| 300 | net::IPAddressNumber ip_number; |
| 301 | net::ParseIPLiteralToNumber(kLocalhost, &ip_number); |
| 302 | |
| 303 | int tcp_port = 0; |
| 304 | if (!base::StringToInt(socket_name, &tcp_port)) |
| 305 | tcp_port = 9222; |
| 306 | |
| 307 | net::AddressList address_list = |
| 308 | net::AddressList::CreateFromIPAddress(ip_number, tcp_port); |
| 309 | net::TCPClientSocket* socket = new net::TCPClientSocket( |
| 310 | address_list, NULL, net::NetLog::Source()); |
| 311 | socket->Connect(base::Bind(&UseTransportQueryForDesktop, callback, socket)); |
| 312 | return; |
| 313 | } |
| 314 | #endif // defined(DEBUG_DEVTOOLS) |
| 315 | new AdbTransportSocket(port, serial, socket_name, callback); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | // static |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 319 | void AdbClientSocket::HttpQuery(net::StreamSocket* socket, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 320 | const std::string& request_path, |
| 321 | const CommandCallback& callback) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 322 | new HttpOverAdbSocket(socket, request_path, callback); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | // static |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 326 | void AdbClientSocket::HttpQuery(net::StreamSocket* socket, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 327 | const std::string& request_path, |
| 328 | const SocketCallback& callback) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 329 | new HttpOverAdbSocket(socket, request_path, callback); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 330 | } |
| 331 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 332 | AdbClientSocket::AdbClientSocket(int port) |
| 333 | : host_(kLocalhost), port_(port) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | AdbClientSocket::~AdbClientSocket() { |
| 337 | } |
| 338 | |
| 339 | void AdbClientSocket::Connect(const net::CompletionCallback& callback) { |
| 340 | net::IPAddressNumber ip_number; |
| 341 | if (!net::ParseIPLiteralToNumber(host_, &ip_number)) { |
| 342 | callback.Run(net::ERR_FAILED); |
| 343 | return; |
| 344 | } |
| 345 | |
| 346 | net::AddressList address_list = |
| 347 | net::AddressList::CreateFromIPAddress(ip_number, port_); |
| 348 | socket_.reset(new net::TCPClientSocket(address_list, NULL, |
| 349 | net::NetLog::Source())); |
| 350 | int result = socket_->Connect(callback); |
| 351 | if (result != net::ERR_IO_PENDING) |
| 352 | callback.Run(result); |
| 353 | } |
| 354 | |
| 355 | void AdbClientSocket::SendCommand(const std::string& command, |
| 356 | bool is_void, |
| 357 | const CommandCallback& callback) { |
| 358 | scoped_refptr<net::StringIOBuffer> request_buffer = |
| 359 | new net::StringIOBuffer(EncodeMessage(command)); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 360 | int result = socket_->Write(request_buffer.get(), |
| 361 | request_buffer->size(), |
| 362 | base::Bind(&AdbClientSocket::ReadResponse, |
| 363 | base::Unretained(this), |
| 364 | callback, |
| 365 | is_void)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 366 | if (result != net::ERR_IO_PENDING) |
| 367 | ReadResponse(callback, is_void, result); |
| 368 | } |
| 369 | |
| 370 | void AdbClientSocket::ReadResponse(const CommandCallback& callback, |
| 371 | bool is_void, |
| 372 | int result) { |
| 373 | if (result < 0) { |
| 374 | callback.Run(result, "IO error"); |
| 375 | return; |
| 376 | } |
| 377 | scoped_refptr<net::IOBuffer> response_buffer = |
| 378 | new net::IOBuffer(kBufferSize); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 379 | result = socket_->Read(response_buffer.get(), |
| 380 | kBufferSize, |
| 381 | base::Bind(&AdbClientSocket::OnResponseHeader, |
| 382 | base::Unretained(this), |
| 383 | callback, |
| 384 | is_void, |
| 385 | response_buffer)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 386 | if (result != net::ERR_IO_PENDING) |
| 387 | OnResponseHeader(callback, is_void, response_buffer, result); |
| 388 | } |
| 389 | |
| 390 | void AdbClientSocket::OnResponseHeader( |
| 391 | const CommandCallback& callback, |
| 392 | bool is_void, |
| 393 | scoped_refptr<net::IOBuffer> response_buffer, |
| 394 | int result) { |
| 395 | if (result <= 0) { |
| 396 | callback.Run(result == 0 ? net::ERR_CONNECTION_CLOSED : result, |
| 397 | "IO error"); |
| 398 | return; |
| 399 | } |
| 400 | |
| 401 | std::string data = std::string(response_buffer->data(), result); |
| 402 | if (result < 4) { |
| 403 | callback.Run(net::ERR_FAILED, "Response is too short: " + data); |
| 404 | return; |
| 405 | } |
| 406 | |
| 407 | std::string status = data.substr(0, 4); |
| 408 | if (status != kOkayResponse) { |
| 409 | callback.Run(net::ERR_FAILED, data); |
| 410 | return; |
| 411 | } |
| 412 | |
| 413 | data = data.substr(4); |
| 414 | |
| 415 | if (!is_void) { |
| 416 | int payload_length = 0; |
| 417 | int bytes_left = -1; |
| 418 | if (data.length() >= 4 && |
| 419 | base::HexStringToInt(data.substr(0, 4), &payload_length)) { |
| 420 | data = data.substr(4); |
| 421 | bytes_left = payload_length - result + 8; |
| 422 | } else { |
| 423 | bytes_left = -1; |
| 424 | } |
| 425 | OnResponseData(callback, data, response_buffer, bytes_left, 0); |
| 426 | } else { |
| 427 | callback.Run(net::OK, data); |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | void AdbClientSocket::OnResponseData( |
| 432 | const CommandCallback& callback, |
| 433 | const std::string& response, |
| 434 | scoped_refptr<net::IOBuffer> response_buffer, |
| 435 | int bytes_left, |
| 436 | int result) { |
| 437 | if (result < 0) { |
| 438 | callback.Run(result, "IO error"); |
| 439 | return; |
| 440 | } |
| 441 | |
| 442 | bytes_left -= result; |
| 443 | std::string new_response = |
| 444 | response + std::string(response_buffer->data(), result); |
| 445 | if (bytes_left == 0) { |
| 446 | callback.Run(net::OK, new_response); |
| 447 | return; |
| 448 | } |
| 449 | |
| 450 | // Read tail |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 451 | result = socket_->Read(response_buffer.get(), |
| 452 | kBufferSize, |
| 453 | base::Bind(&AdbClientSocket::OnResponseData, |
| 454 | base::Unretained(this), |
| 455 | callback, |
| 456 | new_response, |
| 457 | response_buffer, |
| 458 | bytes_left)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 459 | if (result > 0) |
| 460 | OnResponseData(callback, new_response, response_buffer, bytes_left, result); |
| 461 | else if (result != net::ERR_IO_PENDING) |
| 462 | callback.Run(net::OK, new_response); |
| 463 | } |