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" |
phajdan.jr@chromium.org | 8376498 | 2012-11-21 10:34:54 +0900 | [diff] [blame] | 16 | |
| 17 | #if defined(USE_SYSTEM_PROTOBUF) |
| 18 | #include <google/protobuf/message_lite.h> |
| 19 | #else |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 20 | #include "third_party/protobuf/src/google/protobuf/message_lite.h" |
phajdan.jr@chromium.org | 8376498 | 2012-11-21 10:34:54 +0900 | [diff] [blame] | 21 | #endif |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 22 | |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 23 | namespace { |
| 24 | |
| 25 | // Appends the header name and the value to |output|, if the value is |
| 26 | // not empty. |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 27 | void AppendStringHeader(const std::string& header_name, |
| 28 | const std::string& header_value, |
| 29 | std::string* output) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 30 | if (!header_value.empty()) { |
| 31 | *output += header_name + ": " + header_value + "\n"; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | // Appends the header name and the value to |output|, if the value is |
| 36 | // nonzero. |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 37 | void AppendUint32Header(const std::string& header_name, |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 38 | uint32_t header_value, |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 39 | std::string* output) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 40 | if (header_value != 0) { |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 41 | *output += (header_name + ": " + base::UintToString(header_value) + "\n"); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 42 | } |
| 43 | } |
| 44 | |
| 45 | } // namespace |
| 46 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 47 | namespace dbus { |
| 48 | |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 49 | bool IsDBusTypeUnixFdSupported() { |
| 50 | int major = 0, minor = 0, micro = 0; |
| 51 | dbus_get_version(&major, &minor, µ); |
| 52 | return major >= 1 && minor >= 4; |
| 53 | } |
| 54 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 55 | Message::Message() |
| 56 | : raw_message_(NULL) { |
| 57 | } |
| 58 | |
| 59 | Message::~Message() { |
| 60 | if (raw_message_) |
| 61 | dbus_message_unref(raw_message_); |
| 62 | } |
| 63 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 64 | void Message::Init(DBusMessage* raw_message) { |
| 65 | DCHECK(!raw_message_); |
| 66 | raw_message_ = raw_message; |
| 67 | } |
| 68 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 69 | Message::MessageType Message::GetMessageType() { |
| 70 | if (!raw_message_) |
| 71 | return MESSAGE_INVALID; |
| 72 | const int type = dbus_message_get_type(raw_message_); |
| 73 | return static_cast<Message::MessageType>(type); |
| 74 | } |
| 75 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 76 | std::string Message::GetMessageTypeAsString() { |
| 77 | switch (GetMessageType()) { |
| 78 | case MESSAGE_INVALID: |
| 79 | return "MESSAGE_INVALID"; |
| 80 | case MESSAGE_METHOD_CALL: |
| 81 | return "MESSAGE_METHOD_CALL"; |
| 82 | case MESSAGE_METHOD_RETURN: |
| 83 | return "MESSAGE_METHOD_RETURN"; |
| 84 | case MESSAGE_SIGNAL: |
| 85 | return "MESSAGE_SIGNAL"; |
| 86 | case MESSAGE_ERROR: |
| 87 | return "MESSAGE_ERROR"; |
| 88 | } |
| 89 | NOTREACHED(); |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 90 | return std::string(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | std::string Message::ToStringInternal(const std::string& indent, |
| 94 | MessageReader* reader) { |
| 95 | const char* kBrokenMessage = "[broken message]"; |
| 96 | std::string output; |
| 97 | while (reader->HasMoreData()) { |
| 98 | const DataType type = reader->GetDataType(); |
| 99 | switch (type) { |
| 100 | case BYTE: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 101 | uint8_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 102 | if (!reader->PopByte(&value)) |
| 103 | return kBrokenMessage; |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 104 | output += indent + "byte " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 105 | break; |
| 106 | } |
| 107 | case BOOL: { |
| 108 | bool value = false; |
| 109 | if (!reader->PopBool(&value)) |
| 110 | return kBrokenMessage; |
| 111 | output += indent + "bool " + (value ? "true" : "false") + "\n"; |
| 112 | break; |
| 113 | } |
| 114 | case INT16: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 115 | int16_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 116 | if (!reader->PopInt16(&value)) |
| 117 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 118 | output += indent + "int16_t " + base::IntToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 119 | break; |
| 120 | } |
| 121 | case UINT16: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 122 | uint16_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 123 | if (!reader->PopUint16(&value)) |
| 124 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 125 | output += indent + "uint16_t " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 126 | break; |
| 127 | } |
| 128 | case INT32: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 129 | int32_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 130 | if (!reader->PopInt32(&value)) |
| 131 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 132 | output += indent + "int32_t " + base::IntToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 133 | break; |
| 134 | } |
| 135 | case UINT32: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 136 | uint32_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 137 | if (!reader->PopUint32(&value)) |
| 138 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 139 | output += indent + "uint32_t " + base::UintToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 140 | break; |
| 141 | } |
| 142 | case INT64: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 143 | int64_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 144 | if (!reader->PopInt64(&value)) |
| 145 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 146 | output += (indent + "int64_t " + base::Int64ToString(value) + "\n"); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 147 | break; |
| 148 | } |
| 149 | case UINT64: { |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 150 | uint64_t value = 0; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 151 | if (!reader->PopUint64(&value)) |
| 152 | return kBrokenMessage; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 153 | output += (indent + "uint64_t " + base::Uint64ToString(value) + "\n"); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 154 | break; |
| 155 | } |
| 156 | case DOUBLE: { |
| 157 | double value = 0; |
| 158 | if (!reader->PopDouble(&value)) |
| 159 | return kBrokenMessage; |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 160 | output += indent + "double " + base::DoubleToString(value) + "\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 161 | break; |
| 162 | } |
| 163 | case STRING: { |
| 164 | std::string value; |
| 165 | if (!reader->PopString(&value)) |
| 166 | return kBrokenMessage; |
satorux@chromium.org | 6a7aa37 | 2012-06-08 01:41:26 +0900 | [diff] [blame] | 167 | // Truncate if the string is longer than the limit. |
| 168 | const size_t kTruncateLength = 100; |
| 169 | if (value.size() < kTruncateLength) { |
| 170 | output += indent + "string \"" + value + "\"\n"; |
| 171 | } else { |
| 172 | std::string truncated; |
brettw@chromium.org | 1f044f3 | 2013-12-04 07:05:28 +0900 | [diff] [blame] | 173 | base::TruncateUTF8ToByteSize(value, kTruncateLength, &truncated); |
thakis@chromium.org | f3b469a | 2013-07-31 11:29:01 +0900 | [diff] [blame] | 174 | base::StringAppendF(&truncated, "... (%" PRIuS " bytes in total)", |
satorux@chromium.org | 6a7aa37 | 2012-06-08 01:41:26 +0900 | [diff] [blame] | 175 | value.size()); |
| 176 | output += indent + "string \"" + truncated + "\"\n"; |
| 177 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 178 | break; |
| 179 | } |
| 180 | case OBJECT_PATH: { |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 181 | ObjectPath value; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 182 | if (!reader->PopObjectPath(&value)) |
| 183 | return kBrokenMessage; |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 184 | output += indent + "object_path \"" + value.value() + "\"\n"; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 185 | break; |
| 186 | } |
| 187 | case ARRAY: { |
| 188 | MessageReader sub_reader(this); |
| 189 | if (!reader->PopArray(&sub_reader)) |
| 190 | return kBrokenMessage; |
| 191 | output += indent + "array [\n"; |
| 192 | output += ToStringInternal(indent + " ", &sub_reader); |
| 193 | output += indent + "]\n"; |
| 194 | break; |
| 195 | } |
| 196 | case STRUCT: { |
| 197 | MessageReader sub_reader(this); |
| 198 | if (!reader->PopStruct(&sub_reader)) |
| 199 | return kBrokenMessage; |
| 200 | output += indent + "struct {\n"; |
| 201 | output += ToStringInternal(indent + " ", &sub_reader); |
| 202 | output += indent + "}\n"; |
| 203 | break; |
| 204 | } |
| 205 | case DICT_ENTRY: { |
| 206 | MessageReader sub_reader(this); |
| 207 | if (!reader->PopDictEntry(&sub_reader)) |
| 208 | return kBrokenMessage; |
| 209 | output += indent + "dict entry {\n"; |
| 210 | output += ToStringInternal(indent + " ", &sub_reader); |
| 211 | output += indent + "}\n"; |
| 212 | break; |
| 213 | } |
| 214 | case VARIANT: { |
| 215 | MessageReader sub_reader(this); |
| 216 | if (!reader->PopVariant(&sub_reader)) |
| 217 | return kBrokenMessage; |
| 218 | output += indent + "variant "; |
| 219 | output += ToStringInternal(indent + " ", &sub_reader); |
| 220 | break; |
| 221 | } |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 222 | case UNIX_FD: { |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 223 | CHECK(IsDBusTypeUnixFdSupported()); |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 224 | |
| 225 | FileDescriptor file_descriptor; |
| 226 | if (!reader->PopFileDescriptor(&file_descriptor)) |
| 227 | return kBrokenMessage; |
| 228 | output += indent + "fd#" + |
ricea | 6d265ec | 2015-07-02 00:56:50 +0900 | [diff] [blame] | 229 | base::IntToString(file_descriptor.value()) + "\n"; |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 230 | break; |
| 231 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 232 | default: |
| 233 | LOG(FATAL) << "Unknown type: " << type; |
| 234 | } |
| 235 | } |
| 236 | return output; |
| 237 | } |
| 238 | |
| 239 | // The returned string consists of message headers such as |
| 240 | // destination if any, followed by a blank line, and the message |
| 241 | // payload. For example, a MethodCall's ToString() will look like: |
| 242 | // |
| 243 | // destination: com.example.Service |
| 244 | // path: /com/example/Object |
| 245 | // interface: com.example.Interface |
| 246 | // member: SomeMethod |
| 247 | // |
| 248 | // string \"payload\" |
| 249 | // ... |
| 250 | std::string Message::ToString() { |
| 251 | if (!raw_message_) |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 252 | return std::string(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 253 | |
| 254 | // Generate headers first. |
| 255 | std::string headers; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 256 | AppendStringHeader("message_type", GetMessageTypeAsString(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 257 | AppendStringHeader("destination", GetDestination(), &headers); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 258 | AppendStringHeader("path", GetPath().value(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 259 | AppendStringHeader("interface", GetInterface(), &headers); |
| 260 | AppendStringHeader("member", GetMember(), &headers); |
| 261 | AppendStringHeader("error_name", GetErrorName(), &headers); |
| 262 | AppendStringHeader("sender", GetSender(), &headers); |
benchan | befafc8 | 2014-08-25 20:16:56 +0900 | [diff] [blame] | 263 | AppendStringHeader("signature", GetSignature(), &headers); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 264 | AppendUint32Header("serial", GetSerial(), &headers); |
| 265 | AppendUint32Header("reply_serial", GetReplySerial(), &headers); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 266 | |
| 267 | // Generate the payload. |
| 268 | MessageReader reader(this); |
dcheng@chromium.org | 8164c2c | 2013-04-09 17:46:45 +0900 | [diff] [blame] | 269 | return headers + "\n" + ToStringInternal(std::string(), &reader); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 270 | } |
| 271 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 272 | bool Message::SetDestination(const std::string& destination) { |
| 273 | return dbus_message_set_destination(raw_message_, destination.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 274 | } |
| 275 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 276 | bool Message::SetPath(const ObjectPath& path) { |
| 277 | return dbus_message_set_path(raw_message_, path.value().c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 278 | } |
| 279 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 280 | bool Message::SetInterface(const std::string& interface) { |
| 281 | return dbus_message_set_interface(raw_message_, interface.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 282 | } |
| 283 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 284 | bool Message::SetMember(const std::string& member) { |
| 285 | return dbus_message_set_member(raw_message_, member.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 286 | } |
| 287 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 288 | bool Message::SetErrorName(const std::string& error_name) { |
| 289 | 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] | 290 | } |
| 291 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 292 | bool Message::SetSender(const std::string& sender) { |
| 293 | return dbus_message_set_sender(raw_message_, sender.c_str()); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 294 | } |
| 295 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 296 | void Message::SetSerial(uint32_t serial) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 297 | dbus_message_set_serial(raw_message_, serial); |
| 298 | } |
| 299 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 300 | void Message::SetReplySerial(uint32_t reply_serial) { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 301 | dbus_message_set_reply_serial(raw_message_, reply_serial); |
| 302 | } |
| 303 | |
| 304 | std::string Message::GetDestination() { |
| 305 | const char* destination = dbus_message_get_destination(raw_message_); |
| 306 | return destination ? destination : ""; |
| 307 | } |
| 308 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 309 | ObjectPath Message::GetPath() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 310 | const char* path = dbus_message_get_path(raw_message_); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 311 | return ObjectPath(path ? path : ""); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | std::string Message::GetInterface() { |
| 315 | const char* interface = dbus_message_get_interface(raw_message_); |
| 316 | return interface ? interface : ""; |
| 317 | } |
| 318 | |
| 319 | std::string Message::GetMember() { |
| 320 | const char* member = dbus_message_get_member(raw_message_); |
| 321 | return member ? member : ""; |
| 322 | } |
| 323 | |
| 324 | std::string Message::GetErrorName() { |
| 325 | const char* error_name = dbus_message_get_error_name(raw_message_); |
| 326 | return error_name ? error_name : ""; |
| 327 | } |
| 328 | |
| 329 | std::string Message::GetSender() { |
| 330 | const char* sender = dbus_message_get_sender(raw_message_); |
| 331 | return sender ? sender : ""; |
| 332 | } |
| 333 | |
benchan | befafc8 | 2014-08-25 20:16:56 +0900 | [diff] [blame] | 334 | std::string Message::GetSignature() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 335 | const char* signature = dbus_message_get_signature(raw_message_); |
| 336 | return signature ? signature : ""; |
| 337 | } |
| 338 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 339 | uint32_t Message::GetSerial() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 340 | return dbus_message_get_serial(raw_message_); |
| 341 | } |
| 342 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 343 | uint32_t Message::GetReplySerial() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 344 | return dbus_message_get_reply_serial(raw_message_); |
| 345 | } |
| 346 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 347 | // |
| 348 | // MethodCall implementation. |
| 349 | // |
| 350 | |
| 351 | MethodCall::MethodCall(const std::string& interface_name, |
| 352 | const std::string& method_name) |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 353 | : Message() { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 354 | Init(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 355 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 356 | CHECK(SetInterface(interface_name)); |
| 357 | CHECK(SetMember(method_name)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 358 | } |
| 359 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 360 | MethodCall::MethodCall() : Message() { |
| 361 | } |
| 362 | |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 363 | MethodCall* MethodCall::FromRawMessage(DBusMessage* raw_message) { |
| 364 | 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] | 365 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 366 | MethodCall* method_call = new MethodCall; |
| 367 | method_call->Init(raw_message); |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 368 | return method_call; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 369 | } |
| 370 | |
| 371 | // |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 372 | // Signal implementation. |
| 373 | // |
| 374 | Signal::Signal(const std::string& interface_name, |
| 375 | const std::string& method_name) |
| 376 | : Message() { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 377 | Init(dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL)); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 378 | |
hashimoto@chromium.org | b030551 | 2012-05-23 15:55:22 +0900 | [diff] [blame] | 379 | CHECK(SetInterface(interface_name)); |
| 380 | CHECK(SetMember(method_name)); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 381 | } |
| 382 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 383 | Signal::Signal() : Message() { |
| 384 | } |
| 385 | |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 386 | Signal* Signal::FromRawMessage(DBusMessage* raw_message) { |
| 387 | DCHECK_EQ(DBUS_MESSAGE_TYPE_SIGNAL, dbus_message_get_type(raw_message)); |
| 388 | |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 389 | Signal* signal = new Signal; |
| 390 | signal->Init(raw_message); |
satorux@chromium.org | 7f0c451 | 2011-08-23 16:29:21 +0900 | [diff] [blame] | 391 | return signal; |
| 392 | } |
| 393 | |
| 394 | // |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 395 | // Response implementation. |
| 396 | // |
| 397 | |
| 398 | Response::Response() : Message() { |
| 399 | } |
| 400 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 401 | std::unique_ptr<Response> Response::FromRawMessage(DBusMessage* raw_message) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 402 | DCHECK_EQ(DBUS_MESSAGE_TYPE_METHOD_RETURN, |
| 403 | dbus_message_get_type(raw_message)); |
| 404 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 405 | std::unique_ptr<Response> response(new Response); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 406 | response->Init(raw_message); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 407 | return response; |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 408 | } |
| 409 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 410 | std::unique_ptr<Response> Response::FromMethodCall(MethodCall* method_call) { |
| 411 | std::unique_ptr<Response> response(new Response); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 412 | response->Init(dbus_message_new_method_return(method_call->raw_message())); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 413 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 414 | } |
| 415 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 416 | std::unique_ptr<Response> Response::CreateEmpty() { |
| 417 | std::unique_ptr<Response> response(new Response); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 418 | response->Init(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN)); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 419 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 420 | } |
yuki@chromium.org | d4eedf8 | 2013-02-07 18:46:24 +0900 | [diff] [blame] | 421 | |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 422 | // |
| 423 | // ErrorResponse implementation. |
| 424 | // |
| 425 | |
keybuk@chromium.org | b21d2b7 | 2012-03-11 10:12:00 +0900 | [diff] [blame] | 426 | ErrorResponse::ErrorResponse() : Response() { |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 427 | } |
| 428 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 429 | std::unique_ptr<ErrorResponse> ErrorResponse::FromRawMessage( |
yuki@chromium.org | d4eedf8 | 2013-02-07 18:46:24 +0900 | [diff] [blame] | 430 | DBusMessage* raw_message) { |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 431 | DCHECK_EQ(DBUS_MESSAGE_TYPE_ERROR, dbus_message_get_type(raw_message)); |
| 432 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 433 | std::unique_ptr<ErrorResponse> response(new ErrorResponse); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 434 | response->Init(raw_message); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 435 | return response; |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 436 | } |
| 437 | |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 438 | std::unique_ptr<ErrorResponse> ErrorResponse::FromMethodCall( |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 439 | MethodCall* method_call, |
| 440 | const std::string& error_name, |
| 441 | const std::string& error_message) { |
dcheng | 30c5a17 | 2016-04-09 07:55:04 +0900 | [diff] [blame^] | 442 | std::unique_ptr<ErrorResponse> response(new ErrorResponse); |
satorux@chromium.org | ffa83a9 | 2011-08-24 12:32:06 +0900 | [diff] [blame] | 443 | response->Init(dbus_message_new_error(method_call->raw_message(), |
| 444 | error_name.c_str(), |
| 445 | error_message.c_str())); |
dcheng | 6c1ffcf | 2015-12-28 11:24:50 +0900 | [diff] [blame] | 446 | return response; |
satorux@chromium.org | 8facb24 | 2011-08-11 07:34:02 +0900 | [diff] [blame] | 447 | } |
| 448 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 449 | // |
| 450 | // MessageWriter implementation. |
| 451 | // |
| 452 | |
thestig@chromium.org | f0b7eac | 2013-06-13 15:37:19 +0900 | [diff] [blame] | 453 | MessageWriter::MessageWriter(Message* message) |
| 454 | : message_(message), |
| 455 | container_is_open_(false) { |
jhawkins@chromium.org | 69bde42 | 2012-02-13 13:12:40 +0900 | [diff] [blame] | 456 | memset(&raw_message_iter_, 0, sizeof(raw_message_iter_)); |
keybuk@chromium.org | e34b29e | 2012-02-08 08:48:35 +0900 | [diff] [blame] | 457 | if (message) |
| 458 | dbus_message_iter_init_append(message_->raw_message(), &raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | MessageWriter::~MessageWriter() { |
| 462 | } |
| 463 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 464 | void MessageWriter::AppendByte(uint8_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 465 | AppendBasic(DBUS_TYPE_BYTE, &value); |
| 466 | } |
| 467 | |
| 468 | void MessageWriter::AppendBool(bool value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 469 | // The size of dbus_bool_t and the size of bool are different. The |
| 470 | // former is always 4 per dbus-types.h, whereas the latter is usually 1. |
| 471 | // dbus_message_iter_append_basic() used in AppendBasic() expects four |
| 472 | // bytes for DBUS_TYPE_BOOLEAN, so we must pass a dbus_bool_t, instead |
| 473 | // of a bool, to AppendBasic(). |
| 474 | dbus_bool_t dbus_value = value; |
| 475 | AppendBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 476 | } |
| 477 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 478 | void MessageWriter::AppendInt16(int16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 479 | AppendBasic(DBUS_TYPE_INT16, &value); |
| 480 | } |
| 481 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 482 | void MessageWriter::AppendUint16(uint16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 483 | AppendBasic(DBUS_TYPE_UINT16, &value); |
| 484 | } |
| 485 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 486 | void MessageWriter::AppendInt32(int32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 487 | AppendBasic(DBUS_TYPE_INT32, &value); |
| 488 | } |
| 489 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 490 | void MessageWriter::AppendUint32(uint32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 491 | AppendBasic(DBUS_TYPE_UINT32, &value); |
| 492 | } |
| 493 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 494 | void MessageWriter::AppendInt64(int64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 495 | AppendBasic(DBUS_TYPE_INT64, &value); |
| 496 | } |
| 497 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 498 | void MessageWriter::AppendUint64(uint64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 499 | AppendBasic(DBUS_TYPE_UINT64, &value); |
| 500 | } |
| 501 | |
| 502 | void MessageWriter::AppendDouble(double value) { |
| 503 | AppendBasic(DBUS_TYPE_DOUBLE, &value); |
| 504 | } |
| 505 | |
| 506 | void MessageWriter::AppendString(const std::string& value) { |
hashimoto@chromium.org | 5fdbcf7 | 2012-06-05 13:15:50 +0900 | [diff] [blame] | 507 | // 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] | 508 | CHECK(base::IsStringUTF8(value)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 509 | const char* pointer = value.c_str(); |
| 510 | AppendBasic(DBUS_TYPE_STRING, &pointer); |
| 511 | // TODO(satorux): It may make sense to return an error here, as the |
| 512 | // input string can be large. If needed, we could add something like |
| 513 | // bool AppendStringWithErrorChecking(). |
| 514 | } |
| 515 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 516 | void MessageWriter::AppendObjectPath(const ObjectPath& value) { |
hashimoto@chromium.org | 5fdbcf7 | 2012-06-05 13:15:50 +0900 | [diff] [blame] | 517 | CHECK(value.IsValid()); |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 518 | const char* pointer = value.value().c_str(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 519 | AppendBasic(DBUS_TYPE_OBJECT_PATH, &pointer); |
| 520 | } |
| 521 | |
| 522 | // Ideally, client shouldn't need to supply the signature string, but |
| 523 | // the underlying D-Bus library requires us to supply this before |
| 524 | // appending contents to array and variant. It's technically possible |
| 525 | // for us to design API that doesn't require the signature but it will |
| 526 | // complicate the implementation so we decided to have the signature |
| 527 | // parameter. Hopefully, variants are less used in request messages from |
| 528 | // client side than response message from server side, so this should |
| 529 | // not be a big issue. |
| 530 | void MessageWriter::OpenArray(const std::string& signature, |
| 531 | MessageWriter* writer) { |
| 532 | DCHECK(!container_is_open_); |
| 533 | |
| 534 | const bool success = dbus_message_iter_open_container( |
| 535 | &raw_message_iter_, |
| 536 | DBUS_TYPE_ARRAY, |
| 537 | signature.c_str(), |
| 538 | &writer->raw_message_iter_); |
| 539 | CHECK(success) << "Unable to allocate memory"; |
| 540 | container_is_open_ = true; |
| 541 | } |
| 542 | |
| 543 | void MessageWriter::OpenVariant(const std::string& signature, |
| 544 | MessageWriter* writer) { |
| 545 | DCHECK(!container_is_open_); |
| 546 | |
| 547 | const bool success = dbus_message_iter_open_container( |
| 548 | &raw_message_iter_, |
| 549 | DBUS_TYPE_VARIANT, |
| 550 | signature.c_str(), |
| 551 | &writer->raw_message_iter_); |
| 552 | CHECK(success) << "Unable to allocate memory"; |
| 553 | container_is_open_ = true; |
| 554 | } |
| 555 | |
| 556 | void MessageWriter::OpenStruct(MessageWriter* writer) { |
| 557 | DCHECK(!container_is_open_); |
| 558 | |
| 559 | const bool success = dbus_message_iter_open_container( |
| 560 | &raw_message_iter_, |
| 561 | DBUS_TYPE_STRUCT, |
| 562 | NULL, // Signature should be NULL. |
| 563 | &writer->raw_message_iter_); |
| 564 | CHECK(success) << "Unable to allocate memory"; |
| 565 | container_is_open_ = true; |
| 566 | } |
| 567 | |
| 568 | void MessageWriter::OpenDictEntry(MessageWriter* writer) { |
| 569 | DCHECK(!container_is_open_); |
| 570 | |
| 571 | const bool success = dbus_message_iter_open_container( |
| 572 | &raw_message_iter_, |
| 573 | DBUS_TYPE_DICT_ENTRY, |
| 574 | NULL, // Signature should be NULL. |
| 575 | &writer->raw_message_iter_); |
| 576 | CHECK(success) << "Unable to allocate memory"; |
| 577 | container_is_open_ = true; |
| 578 | } |
| 579 | |
| 580 | void MessageWriter::CloseContainer(MessageWriter* writer) { |
| 581 | DCHECK(container_is_open_); |
| 582 | |
| 583 | const bool success = dbus_message_iter_close_container( |
| 584 | &raw_message_iter_, &writer->raw_message_iter_); |
| 585 | CHECK(success) << "Unable to allocate memory"; |
| 586 | container_is_open_ = false; |
| 587 | } |
| 588 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 589 | void MessageWriter::AppendArrayOfBytes(const uint8_t* values, size_t length) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 590 | DCHECK(!container_is_open_); |
| 591 | MessageWriter array_writer(message_); |
| 592 | OpenArray("y", &array_writer); |
| 593 | const bool success = dbus_message_iter_append_fixed_array( |
| 594 | &(array_writer.raw_message_iter_), |
| 595 | DBUS_TYPE_BYTE, |
| 596 | &values, |
| 597 | static_cast<int>(length)); |
| 598 | CHECK(success) << "Unable to allocate memory"; |
| 599 | CloseContainer(&array_writer); |
| 600 | } |
| 601 | |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 602 | void MessageWriter::AppendArrayOfDoubles(const double* values, size_t length) { |
| 603 | DCHECK(!container_is_open_); |
| 604 | MessageWriter array_writer(message_); |
| 605 | OpenArray("d", &array_writer); |
| 606 | const bool success = dbus_message_iter_append_fixed_array( |
| 607 | &(array_writer.raw_message_iter_), |
| 608 | DBUS_TYPE_DOUBLE, |
| 609 | &values, |
| 610 | static_cast<int>(length)); |
| 611 | CHECK(success) << "Unable to allocate memory"; |
| 612 | CloseContainer(&array_writer); |
| 613 | } |
| 614 | |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 615 | void MessageWriter::AppendArrayOfStrings( |
| 616 | const std::vector<std::string>& strings) { |
| 617 | DCHECK(!container_is_open_); |
| 618 | MessageWriter array_writer(message_); |
| 619 | OpenArray("s", &array_writer); |
| 620 | for (size_t i = 0; i < strings.size(); ++i) { |
| 621 | array_writer.AppendString(strings[i]); |
| 622 | } |
| 623 | CloseContainer(&array_writer); |
| 624 | } |
| 625 | |
satorux@chromium.org | f0ceb48 | 2011-08-23 03:28:42 +0900 | [diff] [blame] | 626 | void MessageWriter::AppendArrayOfObjectPaths( |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 627 | const std::vector<ObjectPath>& object_paths) { |
satorux@chromium.org | f0ceb48 | 2011-08-23 03:28:42 +0900 | [diff] [blame] | 628 | DCHECK(!container_is_open_); |
| 629 | MessageWriter array_writer(message_); |
| 630 | OpenArray("o", &array_writer); |
| 631 | for (size_t i = 0; i < object_paths.size(); ++i) { |
| 632 | array_writer.AppendObjectPath(object_paths[i]); |
| 633 | } |
| 634 | CloseContainer(&array_writer); |
| 635 | } |
| 636 | |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 637 | bool MessageWriter::AppendProtoAsArrayOfBytes( |
| 638 | const google::protobuf::MessageLite& protobuf) { |
| 639 | std::string serialized_proto; |
| 640 | if (!protobuf.SerializeToString(&serialized_proto)) { |
| 641 | LOG(ERROR) << "Unable to serialize supplied protocol buffer"; |
| 642 | return false; |
| 643 | } |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 644 | AppendArrayOfBytes(reinterpret_cast<const uint8_t*>(serialized_proto.data()), |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 645 | serialized_proto.size()); |
| 646 | return true; |
| 647 | } |
| 648 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 649 | void MessageWriter::AppendVariantOfByte(uint8_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 650 | AppendVariantOfBasic(DBUS_TYPE_BYTE, &value); |
| 651 | } |
| 652 | |
| 653 | void MessageWriter::AppendVariantOfBool(bool value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 654 | // See the comment at MessageWriter::AppendBool(). |
| 655 | dbus_bool_t dbus_value = value; |
| 656 | AppendVariantOfBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 657 | } |
| 658 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 659 | void MessageWriter::AppendVariantOfInt16(int16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 660 | AppendVariantOfBasic(DBUS_TYPE_INT16, &value); |
| 661 | } |
| 662 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 663 | void MessageWriter::AppendVariantOfUint16(uint16_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 664 | AppendVariantOfBasic(DBUS_TYPE_UINT16, &value); |
| 665 | } |
| 666 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 667 | void MessageWriter::AppendVariantOfInt32(int32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 668 | AppendVariantOfBasic(DBUS_TYPE_INT32, &value); |
| 669 | } |
| 670 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 671 | void MessageWriter::AppendVariantOfUint32(uint32_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 672 | AppendVariantOfBasic(DBUS_TYPE_UINT32, &value); |
| 673 | } |
| 674 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 675 | void MessageWriter::AppendVariantOfInt64(int64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 676 | AppendVariantOfBasic(DBUS_TYPE_INT64, &value); |
| 677 | } |
| 678 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 679 | void MessageWriter::AppendVariantOfUint64(uint64_t value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 680 | AppendVariantOfBasic(DBUS_TYPE_UINT64, &value); |
| 681 | } |
| 682 | |
| 683 | void MessageWriter::AppendVariantOfDouble(double value) { |
| 684 | AppendVariantOfBasic(DBUS_TYPE_DOUBLE, &value); |
| 685 | } |
| 686 | |
| 687 | void MessageWriter::AppendVariantOfString(const std::string& value) { |
| 688 | const char* pointer = value.c_str(); |
| 689 | AppendVariantOfBasic(DBUS_TYPE_STRING, &pointer); |
| 690 | } |
| 691 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 692 | void MessageWriter::AppendVariantOfObjectPath(const ObjectPath& value) { |
| 693 | const char* pointer = value.value().c_str(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 694 | AppendVariantOfBasic(DBUS_TYPE_OBJECT_PATH, &pointer); |
| 695 | } |
| 696 | |
| 697 | void MessageWriter::AppendBasic(int dbus_type, const void* value) { |
| 698 | DCHECK(!container_is_open_); |
| 699 | |
| 700 | const bool success = dbus_message_iter_append_basic( |
| 701 | &raw_message_iter_, dbus_type, value); |
| 702 | // dbus_message_iter_append_basic() fails only when there is not enough |
| 703 | // memory. We don't return this error as there is nothing we can do when |
| 704 | // it fails to allocate memory for a byte etc. |
| 705 | CHECK(success) << "Unable to allocate memory"; |
| 706 | } |
| 707 | |
| 708 | void MessageWriter::AppendVariantOfBasic(int dbus_type, const void* value) { |
ricea | 1bd48b9 | 2015-09-19 07:26:10 +0900 | [diff] [blame] | 709 | const std::string signature(1u, // length |
| 710 | base::checked_cast<char>(dbus_type)); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 711 | MessageWriter variant_writer(message_); |
| 712 | OpenVariant(signature, &variant_writer); |
| 713 | variant_writer.AppendBasic(dbus_type, value); |
| 714 | CloseContainer(&variant_writer); |
| 715 | } |
| 716 | |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 717 | void MessageWriter::AppendFileDescriptor(const FileDescriptor& value) { |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 718 | CHECK(IsDBusTypeUnixFdSupported()); |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 719 | |
sleffler@chromium.org | 48d575f | 2012-05-11 02:41:10 +0900 | [diff] [blame] | 720 | if (!value.is_valid()) { |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 721 | // NB: sending a directory potentially enables sandbox escape |
| 722 | LOG(FATAL) << "Attempt to pass invalid file descriptor"; |
| 723 | } |
sleffler@chromium.org | 48d575f | 2012-05-11 02:41:10 +0900 | [diff] [blame] | 724 | int fd = value.value(); |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 725 | AppendBasic(DBUS_TYPE_UNIX_FD, &fd); |
| 726 | } |
| 727 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 728 | // |
| 729 | // MessageReader implementation. |
| 730 | // |
| 731 | |
| 732 | MessageReader::MessageReader(Message* message) |
| 733 | : message_(message) { |
jhawkins@chromium.org | 69bde42 | 2012-02-13 13:12:40 +0900 | [diff] [blame] | 734 | memset(&raw_message_iter_, 0, sizeof(raw_message_iter_)); |
keybuk@chromium.org | e34b29e | 2012-02-08 08:48:35 +0900 | [diff] [blame] | 735 | if (message) |
| 736 | dbus_message_iter_init(message_->raw_message(), &raw_message_iter_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | |
| 740 | MessageReader::~MessageReader() { |
| 741 | } |
| 742 | |
| 743 | bool MessageReader::HasMoreData() { |
| 744 | const int dbus_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 745 | return dbus_type != DBUS_TYPE_INVALID; |
| 746 | } |
| 747 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 748 | bool MessageReader::PopByte(uint8_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 749 | return PopBasic(DBUS_TYPE_BYTE, value); |
| 750 | } |
| 751 | |
| 752 | bool MessageReader::PopBool(bool* value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 753 | // Like MessageWriter::AppendBool(), we should copy |value| to |
| 754 | // dbus_bool_t, as dbus_message_iter_get_basic() used in PopBasic() |
| 755 | // expects four bytes for DBUS_TYPE_BOOLEAN. |
| 756 | dbus_bool_t dbus_value = FALSE; |
| 757 | const bool success = PopBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
| 758 | *value = static_cast<bool>(dbus_value); |
| 759 | return success; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 760 | } |
| 761 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 762 | bool MessageReader::PopInt16(int16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 763 | return PopBasic(DBUS_TYPE_INT16, value); |
| 764 | } |
| 765 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 766 | bool MessageReader::PopUint16(uint16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 767 | return PopBasic(DBUS_TYPE_UINT16, value); |
| 768 | } |
| 769 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 770 | bool MessageReader::PopInt32(int32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 771 | return PopBasic(DBUS_TYPE_INT32, value); |
| 772 | } |
| 773 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 774 | bool MessageReader::PopUint32(uint32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 775 | return PopBasic(DBUS_TYPE_UINT32, value); |
| 776 | } |
| 777 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 778 | bool MessageReader::PopInt64(int64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 779 | return PopBasic(DBUS_TYPE_INT64, value); |
| 780 | } |
| 781 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 782 | bool MessageReader::PopUint64(uint64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 783 | return PopBasic(DBUS_TYPE_UINT64, value); |
| 784 | } |
| 785 | |
| 786 | bool MessageReader::PopDouble(double* value) { |
| 787 | return PopBasic(DBUS_TYPE_DOUBLE, value); |
| 788 | } |
| 789 | |
| 790 | bool MessageReader::PopString(std::string* value) { |
| 791 | char* tmp_value = NULL; |
| 792 | const bool success = PopBasic(DBUS_TYPE_STRING, &tmp_value); |
| 793 | if (success) |
| 794 | value->assign(tmp_value); |
| 795 | return success; |
| 796 | } |
| 797 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 798 | bool MessageReader::PopObjectPath(ObjectPath* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 799 | char* tmp_value = NULL; |
| 800 | const bool success = PopBasic(DBUS_TYPE_OBJECT_PATH, &tmp_value); |
| 801 | if (success) |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 802 | *value = ObjectPath(tmp_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 803 | return success; |
| 804 | } |
| 805 | |
| 806 | bool MessageReader::PopArray(MessageReader* sub_reader) { |
| 807 | return PopContainer(DBUS_TYPE_ARRAY, sub_reader); |
| 808 | } |
| 809 | |
| 810 | bool MessageReader::PopStruct(MessageReader* sub_reader) { |
| 811 | return PopContainer(DBUS_TYPE_STRUCT, sub_reader); |
| 812 | } |
| 813 | |
| 814 | bool MessageReader::PopDictEntry(MessageReader* sub_reader) { |
| 815 | return PopContainer(DBUS_TYPE_DICT_ENTRY, sub_reader); |
| 816 | } |
| 817 | |
| 818 | bool MessageReader::PopVariant(MessageReader* sub_reader) { |
| 819 | return PopContainer(DBUS_TYPE_VARIANT, sub_reader); |
| 820 | } |
| 821 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 822 | bool MessageReader::PopArrayOfBytes(const uint8_t** bytes, size_t* length) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 823 | MessageReader array_reader(message_); |
| 824 | if (!PopArray(&array_reader)) |
| 825 | return false; |
satorux@chromium.org | 39a0d9b | 2011-11-11 11:13:56 +0900 | [diff] [blame] | 826 | // An empty array is allowed. |
| 827 | if (!array_reader.HasMoreData()) { |
| 828 | *length = 0; |
| 829 | *bytes = NULL; |
| 830 | return true; |
| 831 | } |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 832 | if (!array_reader.CheckDataType(DBUS_TYPE_BYTE)) |
| 833 | return false; |
| 834 | int int_length = 0; |
| 835 | dbus_message_iter_get_fixed_array(&array_reader.raw_message_iter_, |
| 836 | bytes, |
| 837 | &int_length); |
warx | ef0f837 | 2016-03-31 06:27:41 +0900 | [diff] [blame] | 838 | *length = static_cast<size_t>(int_length); |
| 839 | return true; |
| 840 | } |
| 841 | |
| 842 | bool MessageReader::PopArrayOfDoubles(const double** doubles, size_t* length) { |
| 843 | MessageReader array_reader(message_); |
| 844 | if (!PopArray(&array_reader)) |
| 845 | return false; |
| 846 | if (!array_reader.HasMoreData()) { |
| 847 | *length = 0; |
| 848 | *doubles = nullptr; |
| 849 | return true; |
| 850 | } |
| 851 | if (!array_reader.CheckDataType(DBUS_TYPE_DOUBLE)) |
| 852 | return false; |
| 853 | int int_length = 0; |
| 854 | dbus_message_iter_get_fixed_array(&array_reader.raw_message_iter_, |
| 855 | doubles, |
| 856 | &int_length); |
| 857 | *length = static_cast<size_t>(int_length); |
satorux@chromium.org | 39a0d9b | 2011-11-11 11:13:56 +0900 | [diff] [blame] | 858 | return true; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 859 | } |
| 860 | |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 861 | bool MessageReader::PopArrayOfStrings( |
| 862 | std::vector<std::string> *strings) { |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 863 | strings->clear(); |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 864 | MessageReader array_reader(message_); |
| 865 | if (!PopArray(&array_reader)) |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 866 | return false; |
mdm@chromium.org | 3d2baf0 | 2011-09-20 03:22:14 +0900 | [diff] [blame] | 867 | while (array_reader.HasMoreData()) { |
| 868 | std::string string; |
| 869 | if (!array_reader.PopString(&string)) |
| 870 | return false; |
| 871 | strings->push_back(string); |
| 872 | } |
| 873 | return true; |
| 874 | } |
| 875 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 876 | bool MessageReader::PopArrayOfObjectPaths( |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 877 | std::vector<ObjectPath> *object_paths) { |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 878 | object_paths->clear(); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 879 | MessageReader array_reader(message_); |
| 880 | if (!PopArray(&array_reader)) |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 881 | return false; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 882 | while (array_reader.HasMoreData()) { |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 883 | ObjectPath object_path; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 884 | if (!array_reader.PopObjectPath(&object_path)) |
| 885 | return false; |
| 886 | object_paths->push_back(object_path); |
| 887 | } |
| 888 | return true; |
| 889 | } |
| 890 | |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 891 | bool MessageReader::PopArrayOfBytesAsProto( |
| 892 | google::protobuf::MessageLite* protobuf) { |
| 893 | DCHECK(protobuf != NULL); |
derat@chromium.org | 2bf9e5c | 2014-02-25 00:59:40 +0900 | [diff] [blame] | 894 | const char* serialized_buf = NULL; |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 895 | size_t buf_size = 0; |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 896 | if (!PopArrayOfBytes(reinterpret_cast<const uint8_t**>(&serialized_buf), |
| 897 | &buf_size)) { |
rharrison@chromium.org | 3d53035 | 2012-02-10 03:14:08 +0900 | [diff] [blame] | 898 | LOG(ERROR) << "Error reading array of bytes"; |
| 899 | return false; |
| 900 | } |
| 901 | if (!protobuf->ParseFromArray(serialized_buf, buf_size)) { |
| 902 | LOG(ERROR) << "Failed to parse protocol buffer from array"; |
| 903 | return false; |
| 904 | } |
| 905 | return true; |
| 906 | } |
| 907 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 908 | bool MessageReader::PopVariantOfByte(uint8_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 909 | return PopVariantOfBasic(DBUS_TYPE_BYTE, value); |
| 910 | } |
| 911 | |
| 912 | bool MessageReader::PopVariantOfBool(bool* value) { |
satorux@chromium.org | a566a2c | 2011-08-05 06:57:21 +0900 | [diff] [blame] | 913 | // See the comment at MessageReader::PopBool(). |
| 914 | dbus_bool_t dbus_value = FALSE; |
| 915 | const bool success = PopVariantOfBasic(DBUS_TYPE_BOOLEAN, &dbus_value); |
| 916 | *value = static_cast<bool>(dbus_value); |
| 917 | return success; |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 918 | } |
| 919 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 920 | bool MessageReader::PopVariantOfInt16(int16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 921 | return PopVariantOfBasic(DBUS_TYPE_INT16, value); |
| 922 | } |
| 923 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 924 | bool MessageReader::PopVariantOfUint16(uint16_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 925 | return PopVariantOfBasic(DBUS_TYPE_UINT16, value); |
| 926 | } |
| 927 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 928 | bool MessageReader::PopVariantOfInt32(int32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 929 | return PopVariantOfBasic(DBUS_TYPE_INT32, value); |
| 930 | } |
| 931 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 932 | bool MessageReader::PopVariantOfUint32(uint32_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 933 | return PopVariantOfBasic(DBUS_TYPE_UINT32, value); |
| 934 | } |
| 935 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 936 | bool MessageReader::PopVariantOfInt64(int64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 937 | return PopVariantOfBasic(DBUS_TYPE_INT64, value); |
| 938 | } |
| 939 | |
avi | 0ad0ce0 | 2015-12-23 03:12:45 +0900 | [diff] [blame] | 940 | bool MessageReader::PopVariantOfUint64(uint64_t* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 941 | return PopVariantOfBasic(DBUS_TYPE_UINT64, value); |
| 942 | } |
| 943 | |
| 944 | bool MessageReader::PopVariantOfDouble(double* value) { |
| 945 | return PopVariantOfBasic(DBUS_TYPE_DOUBLE, value); |
| 946 | } |
| 947 | |
| 948 | bool MessageReader::PopVariantOfString(std::string* value) { |
| 949 | char* tmp_value = NULL; |
| 950 | const bool success = PopVariantOfBasic(DBUS_TYPE_STRING, &tmp_value); |
| 951 | if (success) |
| 952 | value->assign(tmp_value); |
| 953 | return success; |
| 954 | } |
| 955 | |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 956 | bool MessageReader::PopVariantOfObjectPath(ObjectPath* value) { |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 957 | char* tmp_value = NULL; |
| 958 | const bool success = PopVariantOfBasic(DBUS_TYPE_OBJECT_PATH, &tmp_value); |
| 959 | if (success) |
keybuk@google.com | bf4649a | 2012-02-15 06:29:06 +0900 | [diff] [blame] | 960 | *value = ObjectPath(tmp_value); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 961 | return success; |
| 962 | } |
| 963 | |
| 964 | Message::DataType MessageReader::GetDataType() { |
| 965 | const int dbus_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 966 | return static_cast<Message::DataType>(dbus_type); |
| 967 | } |
| 968 | |
benchan | 464afff | 2014-08-25 15:50:29 +0900 | [diff] [blame] | 969 | std::string MessageReader::GetDataSignature() { |
| 970 | std::string signature; |
| 971 | char* raw_signature = dbus_message_iter_get_signature(&raw_message_iter_); |
| 972 | if (raw_signature) { |
| 973 | signature = raw_signature; |
| 974 | dbus_free(raw_signature); |
| 975 | } |
| 976 | return signature; |
| 977 | } |
| 978 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 979 | bool MessageReader::CheckDataType(int dbus_type) { |
| 980 | const int actual_type = dbus_message_iter_get_arg_type(&raw_message_iter_); |
| 981 | if (actual_type != dbus_type) { |
| 982 | VLOG(1) << "Type " << dbus_type << " is expected but got " |
| 983 | << actual_type; |
| 984 | return false; |
| 985 | } |
| 986 | return true; |
| 987 | } |
| 988 | |
| 989 | bool MessageReader::PopBasic(int dbus_type, void* value) { |
| 990 | if (!CheckDataType(dbus_type)) |
| 991 | return false; |
| 992 | // dbus_message_iter_get_basic() here should always work, as we have |
| 993 | // already checked the next item's data type in CheckDataType(). Note |
| 994 | // that dbus_message_iter_get_basic() is a void function. |
| 995 | dbus_message_iter_get_basic(&raw_message_iter_, value); |
| 996 | DCHECK(value); |
| 997 | dbus_message_iter_next(&raw_message_iter_); |
| 998 | return true; |
| 999 | } |
| 1000 | |
| 1001 | bool MessageReader::PopContainer(int dbus_type, MessageReader* sub_reader) { |
| 1002 | DCHECK_NE(this, sub_reader); |
| 1003 | |
| 1004 | if (!CheckDataType(dbus_type)) |
| 1005 | return false; |
| 1006 | dbus_message_iter_recurse(&raw_message_iter_, |
| 1007 | &sub_reader->raw_message_iter_); |
| 1008 | dbus_message_iter_next(&raw_message_iter_); |
| 1009 | return true; |
| 1010 | } |
| 1011 | |
| 1012 | bool MessageReader::PopVariantOfBasic(int dbus_type, void* value) { |
thestig@chromium.org | f0b7eac | 2013-06-13 15:37:19 +0900 | [diff] [blame] | 1013 | MessageReader variant_reader(message_); |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 1014 | if (!PopVariant(&variant_reader)) |
| 1015 | return false; |
| 1016 | return variant_reader.PopBasic(dbus_type, value); |
| 1017 | } |
| 1018 | |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 1019 | bool MessageReader::PopFileDescriptor(FileDescriptor* value) { |
davemoore@chromium.org | b8ebdc6 | 2012-07-26 04:29:57 +0900 | [diff] [blame] | 1020 | CHECK(IsDBusTypeUnixFdSupported()); |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 1021 | |
| 1022 | int fd = -1; |
| 1023 | const bool success = PopBasic(DBUS_TYPE_UNIX_FD, &fd); |
| 1024 | if (!success) |
| 1025 | return false; |
| 1026 | |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 1027 | value->PutValue(fd); |
sleffler@chromium.org | 48d575f | 2012-05-11 02:41:10 +0900 | [diff] [blame] | 1028 | // NB: the caller must check validity before using the value |
sleffler@chromium.org | 22fab40 | 2012-03-30 15:46:20 +0900 | [diff] [blame] | 1029 | return true; |
| 1030 | } |
| 1031 | |
satorux@chromium.org | b684e27 | 2011-07-31 04:13:31 +0900 | [diff] [blame] | 1032 | } // namespace dbus |