keybuk@chromium.org | e34b29e | 2012-02-08 08:48:35 +0900 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 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 "dbus/message.h" |
| 6 | |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 7 | #include <string> |
| 8 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 9 | #include "base/format_macros.h" |
| 10 | #include "base/logging.h" |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 11 | #include "base/numerics/safe_conversions.h" |
ricea | 6d265ec | 2015-07-02 00:56:50 +0900 | [diff] [blame] | 12 | #include "base/strings/string_number_conversions.h" |
avi@chromium.org | ffcdb95 | 2013-06-11 16:27:01 +0900 | [diff] [blame] | 13 | #include "base/strings/string_util.h" |
| 14 | #include "base/strings/stringprintf.h" |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 15 | #include "dbus/object_path.h" |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 16 | #include "third_party/protobuf/src/google/protobuf/message_lite.h" |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 17 | |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 18 | namespace { |
| 19 | |
| 20 | // Appends the header name and the value to |output|, if the value is |
| 21 | // not empty. |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 22 | void AppendStringHeader(const std::string& header_name, |
| 23 | const std::string& header_value, |
| 24 | std::string* output) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 25 | if (!header_value.empty()) { |
| 26 | *output += header_name + ": " + header_value + "\n"; |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | // Appends the header name and the value to |output|, if the value is |
| 31 | // nonzero. |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 32 | void AppendUint32Header(const std::string& header_name, |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 33 | uint32_t header_value, |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 34 | std::string* output) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 35 | if (header_value != 0) { |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 36 | *output += (header_name + ": " + base::UintToString(header_value) + "\n"); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 37 | } |
| 38 | } |
| 39 | |
| 40 | } // namespace |
| 41 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 42 | namespace dbus { |
| 43 | |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 44 | bool IsDBusTypeUnixFdSupported() { |
| 45 | int major = 0, minor = 0, micro = 0; |
| 46 | dbus_get_version(&major, &minor, µ); |
| 47 | return major >= 1 && minor >= 4; |
| 48 | } |
| 49 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 50 | Message::Message() : raw_message_(nullptr) {} |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 51 | |
| 52 | Message::~Message() { |
| 53 | if (raw_message_) |
| 54 | dbus_message_unref(raw_message_); |
| 55 | } |
| 56 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 57 | void Message::Init(DBusMessage* raw_message) { |
| 58 | DCHECK(!raw_message_); |
| 59 | raw_message_ = raw_message; |
| 60 | } |
| 61 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 62 | Message::MessageType Message::GetMessageType() { |
| 63 | if (!raw_message_) |
| 64 | return MESSAGE_INVALID; |
| 65 | const int type = dbus_message_get_type(raw_message_); |
| 66 | return static_cast<Message::MessageType>(type); |
| 67 | } |
| 68 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 69 | std::string Message::GetMessageTypeAsString() { |
| 70 | switch (GetMessageType()) { |
| 71 | case MESSAGE_INVALID: |
| 72 | return "MESSAGE_INVALID"; |
| 73 | case MESSAGE_METHOD_CALL: |
| 74 | return "MESSAGE_METHOD_CALL"; |
| 75 | case MESSAGE_METHOD_RETURN: |
| 76 | return "MESSAGE_METHOD_RETURN"; |
| 77 | case MESSAGE_SIGNAL: |
| 78 | return "MESSAGE_SIGNAL"; |
| 79 | case MESSAGE_ERROR: |
| 80 | return "MESSAGE_ERROR"; |
| 81 | } |
| 82 | NOTREACHED(); |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 83 | return std::string(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | std::string Message::ToStringInternal(const std::string& indent, |
| 87 | MessageReader* reader) { |
| 88 | const char* kBrokenMessage = "[broken message]"; |
| 89 | std::string output; |
| 90 | while (reader->HasMoreData()) { |
| 91 | const DataType type = reader->GetDataType(); |
| 92 | switch (type) { |
| 93 | case BYTE: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 94 | uint8_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 95 | if (!reader->PopByte(&value)) |
| 96 | return kBrokenMessage; |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 97 | output += indent + "byte " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 98 | break; |
| 99 | } |
| 100 | case BOOL: { |
| 101 | bool value = false; |
| 102 | if (!reader->PopBool(&value)) |
| 103 | return kBrokenMessage; |
| 104 | output += indent + "bool " + (value ? "true" : "false") + "\n"; |
| 105 | break; |
| 106 | } |
| 107 | case INT16: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 108 | int16_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 109 | if (!reader->PopInt16(&value)) |
| 110 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 111 | output += indent + "int16_t " + base::IntToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 112 | break; |
| 113 | } |
| 114 | case UINT16: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 115 | uint16_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 116 | if (!reader->PopUint16(&value)) |
| 117 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 118 | output += indent + "uint16_t " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 119 | break; |
| 120 | } |
| 121 | case INT32: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 122 | int32_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 123 | if (!reader->PopInt32(&value)) |
| 124 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 125 | output += indent + "int32_t " + base::IntToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 126 | break; |
| 127 | } |
| 128 | case UINT32: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 129 | uint32_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 130 | if (!reader->PopUint32(&value)) |
| 131 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 132 | output += indent + "uint32_t " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 133 | break; |
| 134 | } |
| 135 | case INT64: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 136 | int64_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 137 | if (!reader->PopInt64(&value)) |
| 138 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 139 | output += (indent + "int64_t " + base::Int64ToString(value) + "\n"); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 140 | break; |
| 141 | } |
| 142 | case UINT64: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 143 | uint64_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 144 | if (!reader->PopUint64(&value)) |
| 145 | return kBrokenMessage; |
Daniel Cheng | 9b8647c | 2017-12-12 12:51:09 +0900 | [diff] [blame] | 146 | output += (indent + "uint64_t " + base::NumberToString(value) + "\n"); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 147 | break; |
| 148 | } |
| 149 | case DOUBLE: { |
| 150 | double value = 0; |
| 151 | if (!reader->PopDouble(&value)) |
| 152 | return kBrokenMessage; |
Brett Wilson | bd836f1 | 2017-12-01 10:25:11 +0900 | [diff] [blame] | 153 | output += indent + "double " + base::NumberToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 154 | break; |
| 155 | } |
| 156 | case STRING: { |
| 157 | std::string value; |
| 158 | if (!reader->PopString(&value)) |
| 159 | return kBrokenMessage; |
satorux@chromium.org | 6a7aa37 | 2012-06-08 01:41:26 +0900 | [diff] [blame] | 160 | // Truncate if the string is longer than the limit. |
| 161 | const size_t kTruncateLength = 100; |
| 162 | if (value.size() < kTruncateLength) { |
| 163 | output += indent + "string \"" + value + "\"\n"; |
| 164 | } else { |
| 165 | std::string truncated; |
brettw@chromium.org | 1f044f3 | 2013-12-04 07:05:28 +0900 | [diff] [blame] | 166 | base::TruncateUTF8ToByteSize(value, kTruncateLength, &truncated); |
thakis@chromium.org | f3b469a | 2013-07-31 11:29:01 +0900 | [diff] [blame] | 167 | base::StringAppendF(&truncated, "... (%" PRIuS " bytes in total)", |
satorux@chromium.org | 6a7aa37 | 2012-06-08 01:41:26 +0900 | [diff] [blame] | 168 | value.size()); |
| 169 | output += indent + "string \"" + truncated + "\"\n"; |
| 170 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 171 | break; |
| 172 | } |
| 173 | case OBJECT_PATH: { |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 174 | ObjectPath value; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 175 | if (!reader->PopObjectPath(&value)) |
| 176 | return kBrokenMessage; |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 177 | output += indent + "object_path \"" + value.value() + "\"\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 178 | break; |
| 179 | } |
| 180 | case ARRAY: { |
| 181 | MessageReader sub_reader(this); |
| 182 | if (!reader->PopArray(&sub_reader)) |
| 183 | return kBrokenMessage; |
| 184 | output += indent + "array [\n"; |
| 185 | output += ToStringInternal(indent + " ", &sub_reader); |
| 186 | output += indent + "]\n"; |
| 187 | break; |
| 188 | } |
| 189 | case STRUCT: { |
| 190 | MessageReader sub_reader(this); |
| 191 | if (!reader->PopStruct(&sub_reader)) |
| 192 | return kBrokenMessage; |
| 193 | output += indent + "struct {\n"; |
| 194 | output += ToStringInternal(indent + " ", &sub_reader); |
| 195 | output += indent + "}\n"; |
| 196 | break; |
| 197 | } |
| 198 | case DICT_ENTRY: { |
| 199 | MessageReader sub_reader(this); |
| 200 | if (!reader->PopDictEntry(&sub_reader)) |
| 201 | return kBrokenMessage; |
| 202 | output += indent + "dict entry {\n"; |
| 203 | output += ToStringInternal(indent + " ", &sub_reader); |
| 204 | output += indent + "}\n"; |
| 205 | break; |
| 206 | } |
| 207 | case VARIANT: { |
| 208 | MessageReader sub_reader(this); |
| 209 | if (!reader->PopVariant(&sub_reader)) |
| 210 | return kBrokenMessage; |
| 211 | output += indent + "variant "; |
| 212 | output += ToStringInternal(indent + " ", &sub_reader); |
| 213 | break; |
| 214 | } |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 215 | case UNIX_FD: { |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 216 | CHECK(IsDBusTypeUnixFdSupported()); |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 217 | |
hashimoto | 6550fcf | 2016-09-14 13:05:02 +0900 | [diff] [blame] | 218 | base::ScopedFD file_descriptor; |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 219 | if (!reader->PopFileDescriptor(&file_descriptor)) |
| 220 | return kBrokenMessage; |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 221 | output += |
| 222 | indent + "fd#" + base::IntToString(file_descriptor.get()) + "\n"; |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 223 | break; |
| 224 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 225 | default: |
| 226 | LOG(FATAL) << "Unknown type: " << type; |
| 227 | } |
| 228 | } |
| 229 | return output; |
| 230 | } |
| 231 | |
| 232 | // The returned string consists of message headers such as |
| 233 | // destination if any, followed by a blank line, and the message |
| 234 | // payload. For example, a MethodCall's ToString() will look like: |
| 235 | // |
| 236 | // destination: com.example.Service |
| 237 | // path: /com/example/Object |
| 238 | // interface: com.example.Interface |
| 239 | // member: SomeMethod |
| 240 | // |
| 241 | // string \"payload\" |
| 242 | // ... |
| 243 | std::string Message::ToString() { |
| 244 | if (!raw_message_) |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 245 | return std::string(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 246 | |
| 247 | // Generate headers first. |
| 248 | std::string headers; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 249 | AppendStringHeader("message_type", GetMessageTypeAsString(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 250 | AppendStringHeader("destination", GetDestination(), &headers); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 251 | AppendStringHeader("path", GetPath().value(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 252 | AppendStringHeader("interface", GetInterface(), &headers); |
| 253 | AppendStringHeader("member", GetMember(), &headers); |
| 254 | AppendStringHeader("error_name", GetErrorName(), &headers); |
| 255 | AppendStringHeader("sender", GetSender(), &headers); |
benchan | befafc8 | 2014-08-25 20:16:56 +0900 | [diff] [blame] | 256 | AppendStringHeader("signature", GetSignature(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 257 | AppendUint32Header("serial", GetSerial(), &headers); |
| 258 | AppendUint32Header("reply_serial", GetReplySerial(), &headers); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 259 | |
| 260 | // Generate the payload. |
| 261 | MessageReader reader(this); |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 262 | return headers + "\n" + ToStringInternal(std::string(), &reader); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 263 | } |
| 264 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 265 | bool Message::SetDestination(const std::string& destination) { |
| 266 | return dbus_message_set_destination(raw_message_, destination.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 267 | } |
| 268 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 269 | bool Message::SetPath(const ObjectPath& path) { |
| 270 | return dbus_message_set_path(raw_message_, path.value().c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 271 | } |
| 272 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 273 | bool Message::SetInterface(const std::string& interface) { |
| 274 | return dbus_message_set_interface(raw_message_, interface.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 275 | } |
| 276 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 277 | bool Message::SetMember(const std::string& member) { |
| 278 | return dbus_message_set_member(raw_message_, member.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 279 | } |
| 280 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 281 | bool Message::SetErrorName(const std::string& error_name) { |
| 282 | return dbus_message_set_error_name(raw_message_, error_name.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 283 | } |
| 284 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 285 | bool Message::SetSender(const std::string& sender) { |
| 286 | return dbus_message_set_sender(raw_message_, sender.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 287 | } |
| 288 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 289 | void Message::SetSerial(uint32_t serial) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 290 | dbus_message_set_serial(raw_message_, serial); |
| 291 | } |
| 292 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 293 | void Message::SetReplySerial(uint32_t reply_serial) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 294 | dbus_message_set_reply_serial(raw_message_, reply_serial); |
| 295 | } |
| 296 | |
| 297 | std::string Message::GetDestination() { |
| 298 | const char* destination = dbus_message_get_destination(raw_message_); |
| 299 | return destination ? destination : ""; |
| 300 | } |
| 301 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 302 | ObjectPath Message::GetPath() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 303 | const char* path = dbus_message_get_path(raw_message_); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 304 | return ObjectPath(path ? path : ""); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | std::string Message::GetInterface() { |
| 308 | const char* interface = dbus_message_get_interface(raw_message_); |
| 309 | return interface ? interface : ""; |
| 310 | } |
| 311 | |
| 312 | std::string Message::GetMember() { |
| 313 | const char* member = dbus_message_get_member(raw_message_); |
| 314 | return member ? member : ""; |
| 315 | } |
| 316 | |
| 317 | std::string Message::GetErrorName() { |
| 318 | const char* error_name = dbus_message_get_error_name(raw_message_); |
| 319 | return error_name ? error_name : ""; |
| 320 | } |
| 321 | |
| 322 | std::string Message::GetSender() { |
| 323 | const char* sender = dbus_message_get_sender(raw_message_); |
| 324 | return sender ? sender : ""; |
| 325 | } |
| 326 | |
benchan | befafc8 | 2014-08-25 20:16:56 +0900 | [diff] [blame] | 327 | std::string Message::GetSignature() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 328 | const char* signature = dbus_message_get_signature(raw_message_); |
| 329 | return signature ? signature : ""; |
| 330 | } |
| 331 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 332 | uint32_t Message::GetSerial() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 333 | return dbus_message_get_serial(raw_message_); |
| 334 | } |
| 335 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 336 | uint32_t Message::GetReplySerial() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 337 | return dbus_message_get_reply_serial(raw_message_); |
| 338 | } |
| 339 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 340 | // |
| 341 | // MethodCall implementation. |
| 342 | // |
| 343 | |
| 344 | MethodCall::MethodCall(const std::string& interface_name, |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 345 | const std::string& method_name) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 346 | Init(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 347 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 348 | CHECK(SetInterface(interface_name)); |
| 349 | CHECK(SetMember(method_name)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 350 | } |
| 351 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 352 | MethodCall::MethodCall() = default; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 353 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 354 | std::unique_ptr<MethodCall> MethodCall::FromRawMessage( |
| 355 | DBusMessage* raw_message) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 356 | DCHECK_EQ(DBUS_MESSAGE_TYPE_METHOD_CALL, dbus_message_get_type(raw_message)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 357 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 358 | std::unique_ptr<MethodCall> method_call(new MethodCall()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 359 | method_call->Init(raw_message); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 360 | return method_call; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | // |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 364 | // Signal implementation. |
| 365 | // |
| 366 | Signal::Signal(const std::string& interface_name, |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 367 | const std::string& method_name) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 368 | Init(dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL)); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 369 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 370 | CHECK(SetInterface(interface_name)); |
| 371 | CHECK(SetMember(method_name)); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 372 | } |
| 373 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 374 | Signal::Signal() = default; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 375 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 376 | std::unique_ptr<Signal> Signal::FromRawMessage(DBusMessage* raw_message) { |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 377 | DCHECK_EQ(DBUS_MESSAGE_TYPE_SIGNAL, dbus_message_get_type(raw_message)); |
| 378 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 379 | std::unique_ptr<Signal> signal(new Signal()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 380 | signal->Init(raw_message); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 381 | return signal; |
| 382 | } |
| 383 | |
| 384 | // |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 385 | // Response implementation. |
| 386 | // |
| 387 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 388 | Response::Response() = default; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 389 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame] | 390 | std::unique_ptr<Response> Response::FromRawMessage(DBusMessage* raw_message) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 391 | DCHECK_EQ(DBUS_MESSAGE_TYPE_METHOD_RETURN, |
| 392 | dbus_message_get_type(raw_message)); |
| 393 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 394 | std::unique_ptr<Response> response(new Response()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 395 | response->Init(raw_message); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 396 | return response; |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 397 | } |
| 398 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame] | 399 | std::unique_ptr<Response> Response::FromMethodCall(MethodCall* method_call) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 400 | std::unique_ptr<Response> response(new Response()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 401 | response->Init(dbus_message_new_method_return(method_call->raw_message())); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 402 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 403 | } |
| 404 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame] | 405 | std::unique_ptr<Response> Response::CreateEmpty() { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 406 | std::unique_ptr<Response> response(new Response()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 407 | response->Init(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN)); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 408 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 409 | } |
yuki@chromium.org | d4eedf8 | 2013-02-07 18:46:24 +0900 | [diff] [blame] | 410 | |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 411 | // |
| 412 | // ErrorResponse implementation. |
| 413 | // |
| 414 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 415 | ErrorResponse::ErrorResponse() = default; |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 416 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame] | 417 | std::unique_ptr<ErrorResponse> ErrorResponse::FromRawMessage( |
yuki@chromium.org | d4eedf8 | 2013-02-07 18:46:24 +0900 | [diff] [blame] | 418 | DBusMessage* raw_message) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 419 | DCHECK_EQ(DBUS_MESSAGE_TYPE_ERROR, dbus_message_get_type(raw_message)); |
| 420 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 421 | std::unique_ptr<ErrorResponse> response(new ErrorResponse()); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 422 | response->Init(raw_message); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 423 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 424 | } |
| 425 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame] | 426 | std::unique_ptr<ErrorResponse> ErrorResponse::FromMethodCall( |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 427 | MethodCall* method_call, |
| 428 | const std::string& error_name, |
| 429 | const std::string& error_message) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 430 | std::unique_ptr<ErrorResponse> response(new ErrorResponse()); |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 431 | response->Init(dbus_message_new_error( |
| 432 | method_call->raw_message(), error_name.c_str(), error_message.c_str())); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 433 | return response; |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 434 | } |
| 435 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 436 | // |
| 437 | // MessageWriter implementation. |
| 438 | // |
| 439 | |
thestig@chromium.org | f0b7eac | 2013-06-13 15:37:19 +0900 | [diff] [blame] | 440 | MessageWriter::MessageWriter(Message* message) |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 441 | : message_(message), container_is_open_(false) { |
jhawkins@chromium.org | 69bde42 | 2012-02-13 13:12:40 +0900 | [diff] [blame] | 442 | memset(&raw_message_iter_, 0, sizeof(raw_message_iter_)); |
keybuk@chromium.org | e34b29e | 2012-02-08 08:48:35 +0900 | [diff] [blame] | 443 | if (message) |
| 444 | dbus_message_iter_init_append(message_->raw_message(), &raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 445 | } |
| 446 | |
Chris Watkins | 635e890 | 2017-11-29 16:44:11 +0900 | [diff] [blame] | 447 | MessageWriter::~MessageWriter() = default; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 448 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 449 | void MessageWriter::AppendByte(uint8_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 450 | AppendBasic(DBUS_TYPE_BYTE, &value); |
| 451 | } |
| 452 | |
| 453 | void MessageWriter::AppendBool(bool value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 454 | // The size of dbus_bool_t and the size of bool are different. The |
| 455 | // former is always 4 per dbus-types.h, whereas the latter is usually 1. |
| 456 | // dbus_message_iter_append_basic() used in AppendBasic() expects four |
| 457 | // bytes for DBUS_TYPE_BOOLEAN, so we must pass a dbus_bool_t, instead |
| 458 | // of a bool, to AppendBasic(). |
Ryo Hashimoto | 30ac237 | 2017-09-25 16:06:14 +0900 | [diff] [blame] | 459 | dbus_bool_t dbus_value = value ? 1 : 0; |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 460 | AppendBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 461 | } |
| 462 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 463 | void MessageWriter::AppendInt16(int16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 464 | AppendBasic(DBUS_TYPE_INT16, &value); |
| 465 | } |
| 466 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 467 | void MessageWriter::AppendUint16(uint16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 468 | AppendBasic(DBUS_TYPE_UINT16, &value); |
| 469 | } |
| 470 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 471 | void MessageWriter::AppendInt32(int32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 472 | AppendBasic(DBUS_TYPE_INT32, &value); |
| 473 | } |
| 474 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 475 | void MessageWriter::AppendUint32(uint32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 476 | AppendBasic(DBUS_TYPE_UINT32, &value); |
| 477 | } |
| 478 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 479 | void MessageWriter::AppendInt64(int64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 480 | AppendBasic(DBUS_TYPE_INT64, &value); |
| 481 | } |
| 482 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 483 | void MessageWriter::AppendUint64(uint64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 484 | AppendBasic(DBUS_TYPE_UINT64, &value); |
| 485 | } |
| 486 | |
| 487 | void MessageWriter::AppendDouble(double value) { |
| 488 | AppendBasic(DBUS_TYPE_DOUBLE, &value); |
| 489 | } |
| 490 | |
| 491 | void MessageWriter::AppendString(const std::string& value) { |
hashimoto@chromium.org | 5fdbcf7 | 2012-06-05 13:15:50 +0900 | [diff] [blame] | 492 | // D-Bus Specification (0.19) says a string "must be valid UTF-8". |
brettw@chromium.org | 89f697b | 2014-05-07 23:38:26 +0900 | [diff] [blame] | 493 | CHECK(base::IsStringUTF8(value)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 494 | const char* pointer = value.c_str(); |
| 495 | AppendBasic(DBUS_TYPE_STRING, &pointer); |
| 496 | // TODO(satorux): It may make sense to return an error here, as the |
| 497 | // input string can be large. If needed, we could add something like |
| 498 | // bool AppendStringWithErrorChecking(). |
| 499 | } |
| 500 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 501 | void MessageWriter::AppendObjectPath(const ObjectPath& value) { |
hashimoto@chromium.org | 5fdbcf7 | 2012-06-05 13:15:50 +0900 | [diff] [blame] | 502 | CHECK(value.IsValid()); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 503 | const char* pointer = value.value().c_str(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 504 | AppendBasic(DBUS_TYPE_OBJECT_PATH, &pointer); |
| 505 | } |
| 506 | |
| 507 | // Ideally, client shouldn't need to supply the signature string, but |
| 508 | // the underlying D-Bus library requires us to supply this before |
| 509 | // appending contents to array and variant. It's technically possible |
| 510 | // for us to design API that doesn't require the signature but it will |
| 511 | // complicate the implementation so we decided to have the signature |
| 512 | // parameter. Hopefully, variants are less used in request messages from |
| 513 | // client side than response message from server side, so this should |
| 514 | // not be a big issue. |
| 515 | void MessageWriter::OpenArray(const std::string& signature, |
| 516 | MessageWriter* writer) { |
| 517 | DCHECK(!container_is_open_); |
| 518 | |
| 519 | const bool success = dbus_message_iter_open_container( |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 520 | &raw_message_iter_, DBUS_TYPE_ARRAY, signature.c_str(), |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 521 | &writer->raw_message_iter_); |
| 522 | CHECK(success) << "Unable to allocate memory"; |
| 523 | container_is_open_ = true; |
| 524 | } |
| 525 | |
| 526 | void MessageWriter::OpenVariant(const std::string& signature, |
| 527 | MessageWriter* writer) { |
| 528 | DCHECK(!container_is_open_); |
| 529 | |
| 530 | const bool success = dbus_message_iter_open_container( |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 531 | &raw_message_iter_, DBUS_TYPE_VARIANT, signature.c_str(), |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 532 | &writer->raw_message_iter_); |
| 533 | CHECK(success) << "Unable to allocate memory"; |
| 534 | container_is_open_ = true; |
| 535 | } |
| 536 | |
| 537 | void MessageWriter::OpenStruct(MessageWriter* writer) { |
| 538 | DCHECK(!container_is_open_); |
| 539 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 540 | const bool success = |
| 541 | dbus_message_iter_open_container(&raw_message_iter_, DBUS_TYPE_STRUCT, |
| 542 | nullptr, // Signature should be nullptr. |
| 543 | &writer->raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 544 | CHECK(success) << "Unable to allocate memory"; |
| 545 | container_is_open_ = true; |
| 546 | } |
| 547 | |
| 548 | void MessageWriter::OpenDictEntry(MessageWriter* writer) { |
| 549 | DCHECK(!container_is_open_); |
| 550 | |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 551 | const bool success = |
| 552 | dbus_message_iter_open_container(&raw_message_iter_, DBUS_TYPE_DICT_ENTRY, |
| 553 | nullptr, // Signature should be nullptr. |
| 554 | &writer->raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 555 | CHECK(success) << "Unable to allocate memory"; |
| 556 | container_is_open_ = true; |
| 557 | } |
| 558 | |
| 559 | void MessageWriter::CloseContainer(MessageWriter* writer) { |
| 560 | DCHECK(container_is_open_); |
| 561 | |
| 562 | const bool success = dbus_message_iter_close_container( |
| 563 | &raw_message_iter_, &writer->raw_message_iter_); |
| 564 | CHECK(success) << "Unable to allocate memory"; |
| 565 | container_is_open_ = false; |
| 566 | } |
| 567 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 568 | void MessageWriter::AppendArrayOfBytes(const uint8_t* values, size_t length) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 569 | DCHECK(!container_is_open_); |
| 570 | MessageWriter array_writer(message_); |
| 571 | OpenArray("y", &array_writer); |
| 572 | const bool success = dbus_message_iter_append_fixed_array( |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 573 | &(array_writer.raw_message_iter_), DBUS_TYPE_BYTE, &values, |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 574 | static_cast<int>(length)); |
| 575 | CHECK(success) << "Unable to allocate memory"; |
| 576 | CloseContainer(&array_writer); |
| 577 | } |
| 578 | |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 579 | void MessageWriter::AppendArrayOfDoubles(const double* values, size_t length) { |
| 580 | DCHECK(!container_is_open_); |
| 581 | MessageWriter array_writer(message_); |
| 582 | OpenArray("d", &array_writer); |
| 583 | const bool success = dbus_message_iter_append_fixed_array( |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 584 | &(array_writer.raw_message_iter_), DBUS_TYPE_DOUBLE, &values, |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 585 | static_cast<int>(length)); |
| 586 | CHECK(success) << "Unable to allocate memory"; |
| 587 | CloseContainer(&array_writer); |
| 588 | } |
| 589 | |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 590 | void MessageWriter::AppendArrayOfStrings( |
| 591 | const std::vector<std::string>& strings) { |
| 592 | DCHECK(!container_is_open_); |
| 593 | MessageWriter array_writer(message_); |
| 594 | OpenArray("s", &array_writer); |
| 595 | for (size_t i = 0; i < strings.size(); ++i) { |
| 596 | array_writer.AppendString(strings[i]); |
| 597 | } |
| 598 | CloseContainer(&array_writer); |
| 599 | } |
| 600 | |
satorux@chromium.org | f0ceb48 | 2011-08-23 03:28:42 +0900 | [diff] [blame] | 601 | void MessageWriter::AppendArrayOfObjectPaths( |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 602 | const std::vector<ObjectPath>& object_paths) { |
satorux@chromium.org | f0ceb48 | 2011-08-23 03:28:42 +0900 | [diff] [blame] | 603 | DCHECK(!container_is_open_); |
| 604 | MessageWriter array_writer(message_); |
| 605 | OpenArray("o", &array_writer); |
| 606 | for (size_t i = 0; i < object_paths.size(); ++i) { |
| 607 | array_writer.AppendObjectPath(object_paths[i]); |
| 608 | } |
| 609 | CloseContainer(&array_writer); |
| 610 | } |
| 611 | |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 612 | bool MessageWriter::AppendProtoAsArrayOfBytes( |
| 613 | const google::protobuf::MessageLite& protobuf) { |
| 614 | std::string serialized_proto; |
| 615 | if (!protobuf.SerializeToString(&serialized_proto)) { |
| 616 | LOG(ERROR) << "Unable to serialize supplied protocol buffer"; |
| 617 | return false; |
| 618 | } |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 619 | AppendArrayOfBytes(reinterpret_cast<const uint8_t*>(serialized_proto.data()), |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 620 | serialized_proto.size()); |
| 621 | return true; |
| 622 | } |
| 623 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 624 | void MessageWriter::AppendVariantOfByte(uint8_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 625 | AppendVariantOfBasic(DBUS_TYPE_BYTE, &value); |
| 626 | } |
| 627 | |
| 628 | void MessageWriter::AppendVariantOfBool(bool value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 629 | // See the comment at MessageWriter::AppendBool(). |
| 630 | dbus_bool_t dbus_value = value; |
| 631 | AppendVariantOfBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 632 | } |
| 633 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 634 | void MessageWriter::AppendVariantOfInt16(int16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 635 | AppendVariantOfBasic(DBUS_TYPE_INT16, &value); |
| 636 | } |
| 637 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 638 | void MessageWriter::AppendVariantOfUint16(uint16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 639 | AppendVariantOfBasic(DBUS_TYPE_UINT16, &value); |
| 640 | } |
| 641 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 642 | void MessageWriter::AppendVariantOfInt32(int32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 643 | AppendVariantOfBasic(DBUS_TYPE_INT32, &value); |
| 644 | } |
| 645 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 646 | void MessageWriter::AppendVariantOfUint32(uint32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 647 | AppendVariantOfBasic(DBUS_TYPE_UINT32, &value); |
| 648 | } |
| 649 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 650 | void MessageWriter::AppendVariantOfInt64(int64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 651 | AppendVariantOfBasic(DBUS_TYPE_INT64, &value); |
| 652 | } |
| 653 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 654 | void MessageWriter::AppendVariantOfUint64(uint64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 655 | AppendVariantOfBasic(DBUS_TYPE_UINT64, &value); |
| 656 | } |
| 657 | |
| 658 | void MessageWriter::AppendVariantOfDouble(double value) { |
| 659 | AppendVariantOfBasic(DBUS_TYPE_DOUBLE, &value); |
| 660 | } |
| 661 | |
| 662 | void MessageWriter::AppendVariantOfString(const std::string& value) { |
| 663 | const char* pointer = value.c_str(); |
| 664 | AppendVariantOfBasic(DBUS_TYPE_STRING, &pointer); |
| 665 | } |
| 666 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 667 | void MessageWriter::AppendVariantOfObjectPath(const ObjectPath& value) { |
| 668 | const char* pointer = value.value().c_str(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 669 | AppendVariantOfBasic(DBUS_TYPE_OBJECT_PATH, &pointer); |
| 670 | } |
| 671 | |
| 672 | void MessageWriter::AppendBasic(int dbus_type, const void* value) { |
| 673 | DCHECK(!container_is_open_); |
| 674 | |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 675 | const bool success = |
| 676 | dbus_message_iter_append_basic(&raw_message_iter_, dbus_type, value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 677 | // dbus_message_iter_append_basic() fails only when there is not enough |
| 678 | // memory. We don't return this error as there is nothing we can do when |
| 679 | // it fails to allocate memory for a byte etc. |
| 680 | CHECK(success) << "Unable to allocate memory"; |
| 681 | } |
| 682 | |
| 683 | void MessageWriter::AppendVariantOfBasic(int dbus_type, const void* value) { |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 684 | const std::string signature(1u, // length |
| 685 | base::checked_cast<char>(dbus_type)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 686 | MessageWriter variant_writer(message_); |
| 687 | OpenVariant(signature, &variant_writer); |
| 688 | variant_writer.AppendBasic(dbus_type, value); |
| 689 | CloseContainer(&variant_writer); |
| 690 | } |
| 691 | |
hashimoto | dac22fb | 2016-08-25 01:51:38 +0900 | [diff] [blame] | 692 | void MessageWriter::AppendFileDescriptor(int value) { |
| 693 | CHECK(IsDBusTypeUnixFdSupported()); |
| 694 | AppendBasic(DBUS_TYPE_UNIX_FD, &value); // This duplicates the FD. |
| 695 | } |
| 696 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 697 | // |
| 698 | // MessageReader implementation. |
| 699 | // |
| 700 | |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 701 | MessageReader::MessageReader(Message* message) : message_(message) { |
jhawkins@chromium.org | 69bde42 | 2012-02-13 13:12:40 +0900 | [diff] [blame] | 702 | memset(&raw_message_iter_, 0, sizeof(raw_message_iter_)); |
keybuk@chromium.org | e34b29e | 2012-02-08 08:48:35 +0900 | [diff] [blame] | 703 | if (message) |
| 704 | dbus_message_iter_init(message_->raw_message(), &raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 705 | } |
| 706 | |
Chris Watkins | 635e890 | 2017-11-29 16:44:11 +0900 | [diff] [blame] | 707 | MessageReader::~MessageReader() = default; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 708 | |
| 709 | bool MessageReader::HasMoreData() { |
| 710 | const int dbus_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 711 | return dbus_type != DBUS_TYPE_INVALID; |
| 712 | } |
| 713 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 714 | bool MessageReader::PopByte(uint8_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 715 | return PopBasic(DBUS_TYPE_BYTE, value); |
| 716 | } |
| 717 | |
| 718 | bool MessageReader::PopBool(bool* value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 719 | // Like MessageWriter::AppendBool(), we should copy |value| to |
| 720 | // dbus_bool_t, as dbus_message_iter_get_basic() used in PopBasic() |
| 721 | // expects four bytes for DBUS_TYPE_BOOLEAN. |
| 722 | dbus_bool_t dbus_value = FALSE; |
| 723 | const bool success = PopBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
| 724 | *value = static_cast<bool>(dbus_value); |
| 725 | return success; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 726 | } |
| 727 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 728 | bool MessageReader::PopInt16(int16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 729 | return PopBasic(DBUS_TYPE_INT16, value); |
| 730 | } |
| 731 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 732 | bool MessageReader::PopUint16(uint16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 733 | return PopBasic(DBUS_TYPE_UINT16, value); |
| 734 | } |
| 735 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 736 | bool MessageReader::PopInt32(int32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 737 | return PopBasic(DBUS_TYPE_INT32, value); |
| 738 | } |
| 739 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 740 | bool MessageReader::PopUint32(uint32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 741 | return PopBasic(DBUS_TYPE_UINT32, value); |
| 742 | } |
| 743 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 744 | bool MessageReader::PopInt64(int64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 745 | return PopBasic(DBUS_TYPE_INT64, value); |
| 746 | } |
| 747 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 748 | bool MessageReader::PopUint64(uint64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 749 | return PopBasic(DBUS_TYPE_UINT64, value); |
| 750 | } |
| 751 | |
| 752 | bool MessageReader::PopDouble(double* value) { |
| 753 | return PopBasic(DBUS_TYPE_DOUBLE, value); |
| 754 | } |
| 755 | |
| 756 | bool MessageReader::PopString(std::string* value) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 757 | char* tmp_value = nullptr; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 758 | const bool success = PopBasic(DBUS_TYPE_STRING, &tmp_value); |
| 759 | if (success) |
| 760 | value->assign(tmp_value); |
| 761 | return success; |
| 762 | } |
| 763 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 764 | bool MessageReader::PopObjectPath(ObjectPath* value) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 765 | char* tmp_value = nullptr; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 766 | const bool success = PopBasic(DBUS_TYPE_OBJECT_PATH, &tmp_value); |
| 767 | if (success) |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 768 | *value = ObjectPath(tmp_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 769 | return success; |
| 770 | } |
| 771 | |
| 772 | bool MessageReader::PopArray(MessageReader* sub_reader) { |
| 773 | return PopContainer(DBUS_TYPE_ARRAY, sub_reader); |
| 774 | } |
| 775 | |
| 776 | bool MessageReader::PopStruct(MessageReader* sub_reader) { |
| 777 | return PopContainer(DBUS_TYPE_STRUCT, sub_reader); |
| 778 | } |
| 779 | |
| 780 | bool MessageReader::PopDictEntry(MessageReader* sub_reader) { |
| 781 | return PopContainer(DBUS_TYPE_DICT_ENTRY, sub_reader); |
| 782 | } |
| 783 | |
| 784 | bool MessageReader::PopVariant(MessageReader* sub_reader) { |
| 785 | return PopContainer(DBUS_TYPE_VARIANT, sub_reader); |
| 786 | } |
| 787 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 788 | bool MessageReader::PopArrayOfBytes(const uint8_t** bytes, size_t* length) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 789 | MessageReader array_reader(message_); |
| 790 | if (!PopArray(&array_reader)) |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 791 | return false; |
satorux@chromium.org | 39a0d9b | 2011-11-11 11:13:56 +0900 | [diff] [blame] | 792 | // An empty array is allowed. |
| 793 | if (!array_reader.HasMoreData()) { |
| 794 | *length = 0; |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 795 | *bytes = nullptr; |
satorux@chromium.org | 39a0d9b | 2011-11-11 11:13:56 +0900 | [diff] [blame] | 796 | return true; |
| 797 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 798 | if (!array_reader.CheckDataType(DBUS_TYPE_BYTE)) |
| 799 | return false; |
| 800 | int int_length = 0; |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 801 | dbus_message_iter_get_fixed_array(&array_reader.raw_message_iter_, bytes, |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 802 | &int_length); |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 803 | *length = static_cast<size_t>(int_length); |
| 804 | return true; |
| 805 | } |
| 806 | |
| 807 | bool MessageReader::PopArrayOfDoubles(const double** doubles, size_t* length) { |
| 808 | MessageReader array_reader(message_); |
| 809 | if (!PopArray(&array_reader)) |
| 810 | return false; |
| 811 | if (!array_reader.HasMoreData()) { |
| 812 | *length = 0; |
| 813 | *doubles = nullptr; |
| 814 | return true; |
| 815 | } |
| 816 | if (!array_reader.CheckDataType(DBUS_TYPE_DOUBLE)) |
| 817 | return false; |
| 818 | int int_length = 0; |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 819 | dbus_message_iter_get_fixed_array(&array_reader.raw_message_iter_, doubles, |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 820 | &int_length); |
| 821 | *length = static_cast<size_t>(int_length); |
satorux@chromium.org | 39a0d9b | 2011-11-11 11:13:56 +0900 | [diff] [blame] | 822 | return true; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 823 | } |
| 824 | |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 825 | bool MessageReader::PopArrayOfStrings(std::vector<std::string>* strings) { |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 826 | strings->clear(); |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 827 | MessageReader array_reader(message_); |
| 828 | if (!PopArray(&array_reader)) |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 829 | return false; |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 830 | while (array_reader.HasMoreData()) { |
| 831 | std::string string; |
| 832 | if (!array_reader.PopString(&string)) |
| 833 | return false; |
| 834 | strings->push_back(string); |
| 835 | } |
| 836 | return true; |
| 837 | } |
| 838 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 839 | bool MessageReader::PopArrayOfObjectPaths( |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 840 | std::vector<ObjectPath>* object_paths) { |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 841 | object_paths->clear(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 842 | MessageReader array_reader(message_); |
| 843 | if (!PopArray(&array_reader)) |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 844 | return false; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 845 | while (array_reader.HasMoreData()) { |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 846 | ObjectPath object_path; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 847 | if (!array_reader.PopObjectPath(&object_path)) |
| 848 | return false; |
| 849 | object_paths->push_back(object_path); |
| 850 | } |
| 851 | return true; |
| 852 | } |
| 853 | |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 854 | bool MessageReader::PopArrayOfBytesAsProto( |
| 855 | google::protobuf::MessageLite* protobuf) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 856 | DCHECK(protobuf); |
| 857 | const char* serialized_buf = nullptr; |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 858 | size_t buf_size = 0; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 859 | if (!PopArrayOfBytes(reinterpret_cast<const uint8_t**>(&serialized_buf), |
| 860 | &buf_size)) { |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 861 | LOG(ERROR) << "Error reading array of bytes"; |
| 862 | return false; |
| 863 | } |
| 864 | if (!protobuf->ParseFromArray(serialized_buf, buf_size)) { |
| 865 | LOG(ERROR) << "Failed to parse protocol buffer from array"; |
| 866 | return false; |
| 867 | } |
| 868 | return true; |
| 869 | } |
| 870 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 871 | bool MessageReader::PopVariantOfByte(uint8_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 872 | return PopVariantOfBasic(DBUS_TYPE_BYTE, value); |
| 873 | } |
| 874 | |
| 875 | bool MessageReader::PopVariantOfBool(bool* value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 876 | // See the comment at MessageReader::PopBool(). |
| 877 | dbus_bool_t dbus_value = FALSE; |
| 878 | const bool success = PopVariantOfBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
| 879 | *value = static_cast<bool>(dbus_value); |
| 880 | return success; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 881 | } |
| 882 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 883 | bool MessageReader::PopVariantOfInt16(int16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 884 | return PopVariantOfBasic(DBUS_TYPE_INT16, value); |
| 885 | } |
| 886 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 887 | bool MessageReader::PopVariantOfUint16(uint16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 888 | return PopVariantOfBasic(DBUS_TYPE_UINT16, value); |
| 889 | } |
| 890 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 891 | bool MessageReader::PopVariantOfInt32(int32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 892 | return PopVariantOfBasic(DBUS_TYPE_INT32, value); |
| 893 | } |
| 894 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 895 | bool MessageReader::PopVariantOfUint32(uint32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 896 | return PopVariantOfBasic(DBUS_TYPE_UINT32, value); |
| 897 | } |
| 898 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 899 | bool MessageReader::PopVariantOfInt64(int64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 900 | return PopVariantOfBasic(DBUS_TYPE_INT64, value); |
| 901 | } |
| 902 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 903 | bool MessageReader::PopVariantOfUint64(uint64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 904 | return PopVariantOfBasic(DBUS_TYPE_UINT64, value); |
| 905 | } |
| 906 | |
| 907 | bool MessageReader::PopVariantOfDouble(double* value) { |
| 908 | return PopVariantOfBasic(DBUS_TYPE_DOUBLE, value); |
| 909 | } |
| 910 | |
| 911 | bool MessageReader::PopVariantOfString(std::string* value) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 912 | char* tmp_value = nullptr; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 913 | const bool success = PopVariantOfBasic(DBUS_TYPE_STRING, &tmp_value); |
| 914 | if (success) |
| 915 | value->assign(tmp_value); |
| 916 | return success; |
| 917 | } |
| 918 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 919 | bool MessageReader::PopVariantOfObjectPath(ObjectPath* value) { |
Hidehiko Abe | 1f025e6 | 2017-09-12 12:55:06 +0900 | [diff] [blame] | 920 | char* tmp_value = nullptr; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 921 | const bool success = PopVariantOfBasic(DBUS_TYPE_OBJECT_PATH, &tmp_value); |
| 922 | if (success) |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 923 | *value = ObjectPath(tmp_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 924 | return success; |
| 925 | } |
| 926 | |
| 927 | Message::DataType MessageReader::GetDataType() { |
| 928 | const int dbus_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 929 | return static_cast<Message::DataType>(dbus_type); |
| 930 | } |
| 931 | |
benchan | 464afff | 2014-08-25 15:50:29 +0900 | [diff] [blame] | 932 | std::string MessageReader::GetDataSignature() { |
| 933 | std::string signature; |
| 934 | char* raw_signature = dbus_message_iter_get_signature(&raw_message_iter_); |
| 935 | if (raw_signature) { |
| 936 | signature = raw_signature; |
| 937 | dbus_free(raw_signature); |
| 938 | } |
| 939 | return signature; |
| 940 | } |
| 941 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 942 | bool MessageReader::CheckDataType(int dbus_type) { |
| 943 | const int actual_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 944 | if (actual_type != dbus_type) { |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 945 | VLOG(1) << "Type " << dbus_type << " is expected but got " << actual_type; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 946 | return false; |
| 947 | } |
| 948 | return true; |
| 949 | } |
| 950 | |
| 951 | bool MessageReader::PopBasic(int dbus_type, void* value) { |
| 952 | if (!CheckDataType(dbus_type)) |
| 953 | return false; |
| 954 | // dbus_message_iter_get_basic() here should always work, as we have |
| 955 | // already checked the next item's data type in CheckDataType(). Note |
| 956 | // that dbus_message_iter_get_basic() is a void function. |
| 957 | dbus_message_iter_get_basic(&raw_message_iter_, value); |
| 958 | DCHECK(value); |
| 959 | dbus_message_iter_next(&raw_message_iter_); |
| 960 | return true; |
| 961 | } |
| 962 | |
| 963 | bool MessageReader::PopContainer(int dbus_type, MessageReader* sub_reader) { |
| 964 | DCHECK_NE(this, sub_reader); |
| 965 | |
| 966 | if (!CheckDataType(dbus_type)) |
| 967 | return false; |
Abhishek Bhardwaj | 76f3652 | 2018-05-23 16:22:19 +0900 | [diff] [blame^] | 968 | dbus_message_iter_recurse(&raw_message_iter_, &sub_reader->raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 969 | dbus_message_iter_next(&raw_message_iter_); |
| 970 | return true; |
| 971 | } |
| 972 | |
| 973 | bool MessageReader::PopVariantOfBasic(int dbus_type, void* value) { |
thestig@chromium.org | f0b7eac | 2013-06-13 15:37:19 +0900 | [diff] [blame] | 974 | MessageReader variant_reader(message_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 975 | if (!PopVariant(&variant_reader)) |
| 976 | return false; |
| 977 | return variant_reader.PopBasic(dbus_type, value); |
| 978 | } |
| 979 | |
hashimoto | dac22fb | 2016-08-25 01:51:38 +0900 | [diff] [blame] | 980 | bool MessageReader::PopFileDescriptor(base::ScopedFD* value) { |
| 981 | CHECK(IsDBusTypeUnixFdSupported()); |
| 982 | |
| 983 | int fd = -1; |
| 984 | const bool success = PopBasic(DBUS_TYPE_UNIX_FD, &fd); |
| 985 | if (!success) |
| 986 | return false; |
| 987 | |
| 988 | *value = base::ScopedFD(fd); |
| 989 | return true; |
| 990 | } |
| 991 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 992 | } // namespace dbus |