1 /*
2  * Copyright (C) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #define MLOG_TAG "MtpPacketTool"
16 #include "mtp_packet_tools.h"
17 #include <codecvt>
18 #include <cctype>
19 #include <cinttypes>
20 #include <cstdlib>
21 #include <locale>
22 #include "media_log.h"
23 #include "mtp_packet.h"
24 #include "securec.h"
25 #include "parameters.h"
26 #include "media_mtp_utils.h"
27 namespace OHOS {
28 namespace Media {
29 namespace {
30     // these numbers are defined by protocol, have no exact meaning
31     static const int BUF_07 = 0x07;
32     static const int BUF_0F = 0x0F;
33 
34     static const int BEGIN_YEAR = 1900;
35     static const int DUMP_HEXBUF_MAX = 128;
36     static const int DUMP_TXTBUF_MAX = 32;
37     static const int MAX_LENGTH = 255;
38     static const int TIME_LENGTH = 20;
39     static const std::string BLANK_STR = "                                                                ";
40     static const std::string INDENT_BLANKSTR = "  ";
41     static const int INDENT_SIZE = INDENT_BLANKSTR.length();
42     static const std::string DATE_TIME_INIT = "19700101T080000";
43     static const std::string UNKNOWN_STR = "Unknown";
44     static const char *UTF16_CERROR = "__CONVERSION_ERROR__";
45     static const char16_t *UTF8_CERROR = u"__CONVERSION_ERROR__";
46     static const std::string KEY_MTP_SHOW_DUMP = "multimedia.medialibrary.mtp_show_dump";
47     static const std::string MTP_SHOW_DUMP_DEFAULT = "0";
48     static const std::string ALLOW_SHOW_DUMP = "1";
49 
50     static const std::map<uint32_t, std::string> AssociationMap = {
51         { MTP_ASSOCIATION_TYPE_UNDEFINED_CODE, "MTP_ASSOCIATION_TYPE_UNDEFINED" },
52         { MTP_ASSOCIATION_TYPE_GENERIC_FOLDER_CODE, "MTP_ASSOCIATION_TYPE_GENERIC_FOLDER" },
53     };
54 
55     static const std::map<uint32_t, std::string> OperationMap = {
56         { MTP_OPERATION_GET_DEVICE_INFO_CODE, "MTP_OPERATION_GET_DEVICE_INFO" },
57         { MTP_OPERATION_OPEN_SESSION_CODE, "MTP_OPERATION_OPEN_SESSION" },
58         { MTP_OPERATION_CLOSE_SESSION_CODE, "MTP_OPERATION_CLOSE_SESSION" },
59         { MTP_OPERATION_GET_STORAGE_IDS_CODE, "MTP_OPERATION_GET_STORAGE_IDS" },
60         { MTP_OPERATION_GET_STORAGE_INFO_CODE, "MTP_OPERATION_GET_STORAGE_INFO" },
61         { MTP_OPERATION_GET_NUM_OBJECTS_CODE, "MTP_OPERATION_GET_NUM_OBJECTS" },
62         { MTP_OPERATION_GET_OBJECT_HANDLES_CODE, "MTP_OPERATION_GET_OBJECT_HANDLES" },
63         { MTP_OPERATION_GET_OBJECT_INFO_CODE, "MTP_OPERATION_GET_OBJECT_INFO" },
64         { MTP_OPERATION_GET_OBJECT_CODE, "MTP_OPERATION_GET_OBJECT" },
65         { MTP_OPERATION_GET_THUMB_CODE, "MTP_OPERATION_GET_THUMB" },
66         { MTP_OPERATION_DELETE_OBJECT_CODE, "MTP_OPERATION_DELETE_OBJECT" },
67         { MTP_OPERATION_SEND_OBJECT_INFO_CODE, "MTP_OPERATION_SEND_OBJECT_INFO" },
68         { MTP_OPERATION_SEND_OBJECT_CODE, "MTP_OPERATION_SEND_OBJECT" },
69         { MTP_OPERATION_INITIATE_CAPTURE_CODE, "MTP_OPERATION_INITIATE_CAPTURE" },
70         { MTP_OPERATION_FORMAT_STORE_CODE, "MTP_OPERATION_FORMAT_STORE" },
71         { MTP_OPERATION_RESET_DEVICE_CODE, "MTP_OPERATION_RESET_DEVICE" },
72         { MTP_OPERATION_SELF_TEST_CODE, "MTP_OPERATION_SELF_TEST" },
73         { MTP_OPERATION_SET_OBJECT_PROTECTION_CODE, "MTP_OPERATION_SET_OBJECT_PROTECTION" },
74         { MTP_OPERATION_POWER_DOWN_CODE, "MTP_OPERATION_POWER_DOWN" },
75         { MTP_OPERATION_GET_DEVICE_PROP_DESC_CODE, "MTP_OPERATION_GET_DEVICE_PROP_DESC" },
76         { MTP_OPERATION_GET_DEVICE_PROP_VALUE_CODE, "MTP_OPERATION_GET_DEVICE_PROP_VALUE" },
77         { MTP_OPERATION_SET_DEVICE_PROP_VALUE_CODE, "MTP_OPERATION_SET_DEVICE_PROP_VALUE" },
78         { MTP_OPERATION_RESET_DEVICE_PROP_VALUE_CODE, "MTP_OPERATION_RESET_DEVICE_PROP_VALUE" },
79         { MTP_OPERATION_TERMINATE_OPEN_CAPTURE_CODE, "MTP_OPERATION_TERMINATE_OPEN_CAPTURE" },
80         { MTP_OPERATION_MOVE_OBJECT_CODE, "MTP_OPERATION_MOVE_OBJECT" },
81         { MTP_OPERATION_COPY_OBJECT_CODE, "MTP_OPERATION_COPY_OBJECT" },
82         { MTP_OPERATION_GET_PARTIAL_OBJECT_CODE, "MTP_OPERATION_GET_PARTIAL_OBJECT" },
83         { MTP_OPERATION_INITIATE_OPEN_CAPTURE_CODE, "MTP_OPERATION_INITIATE_OPEN_CAPTURE" },
84         { MTP_OPERATION_GET_OBJECT_PROPS_SUPPORTED_CODE, "MTP_OPERATION_GET_OBJECT_PROPS_SUPPORTED" },
85         { MTP_OPERATION_GET_OBJECT_PROP_DESC_CODE, "MTP_OPERATION_GET_OBJECT_PROP_DESC" },
86         { MTP_OPERATION_GET_OBJECT_PROP_VALUE_CODE, "MTP_OPERATION_GET_OBJECT_PROP_VALUE" },
87         { MTP_OPERATION_SET_OBJECT_PROP_VALUE_CODE, "MTP_OPERATION_SET_OBJECT_PROP_VALUE" },
88         { MTP_OPERATION_GET_OBJECT_PROP_LIST_CODE, "MTP_OPERATION_GET_OBJECT_PROP_LIST" },
89         { MTP_OPERATION_SET_OBJECT_PROP_LIST_CODE, "MTP_OPERATION_SET_OBJECT_PROP_LIST" },
90         { MTP_OPERATION_GET_INTERDEPENDENT_PROPDESC_CODE, "MTP_OPERATION_GET_INTERDEPENDENT_PROP_DESC" },
91         { MTP_OPERATION_SEND_OBJECT_PROP_LIST_CODE, "MTP_OPERATION_SEND_OBJECT_PROP_LIST" },
92         { MTP_OPERATION_GET_OBJECT_REFERENCES_CODE, "MTP_OPERATION_GET_OBJECT_REFERENCES" },
93         { MTP_OPERATION_SET_OBJECT_REFERENCES_CODE, "MTP_OPERATION_SET_OBJECT_REFERENCES" },
94         { MTP_OPERATION_SKIP_CODE, "MTP_OPERATION_SKIP" },
95     };
96 
97     static const std::map<uint32_t, std::string> FormatMap = {
98         { MTP_FORMAT_UNDEFINED_CODE, "MTP_FORMAT_UNDEFINED" },
99         { MTP_FORMAT_ASSOCIATION_CODE, "MTP_FORMAT_ASSOCIATION" },
100         { MTP_FORMAT_SCRIPT_CODE, "MTP_FORMAT_SCRIPT" },
101         { MTP_FORMAT_EXECUTABLE_CODE, "MTP_FORMAT_EXECUTABLE" },
102         { MTP_FORMAT_TEXT_CODE, "MTP_FORMAT_TEXT" },
103         { MTP_FORMAT_HTML_CODE, "MTP_FORMAT_HTML" },
104         { MTP_FORMAT_DPOF_CODE, "MTP_FORMAT_DPOF" },
105         { MTP_FORMAT_AIFF_CODE, "MTP_FORMAT_AIFF" },
106         { MTP_FORMAT_WAV_CODE, "MTP_FORMAT_WAV" },
107         { MTP_FORMAT_MP3_CODE, "MTP_FORMAT_MP3" },
108         { MTP_FORMAT_AVI_CODE, "MTP_FORMAT_AVI" },
109         { MTP_FORMAT_MPEG_CODE, "MTP_FORMAT_MPEG" },
110         { MTP_FORMAT_ASF_CODE, "MTP_FORMAT_ASF" },
111         { MTP_FORMAT_DEFINED_CODE, "MTP_FORMAT_DEFINED" },
112         { MTP_FORMAT_EXIF_JPEG_CODE, "MTP_FORMAT_EXIF_JPEG" },
113         { MTP_FORMAT_TIFF_EP_CODE, "MTP_FORMAT_TIFF_EP" },
114         { MTP_FORMAT_FLASHPIX_CODE, "MTP_FORMAT_FLASHPIX" },
115         { MTP_FORMAT_BMP_CODE, "MTP_FORMAT_BMP" },
116         { MTP_FORMAT_CIFF_CODE, "MTP_FORMAT_CIFF" },
117         { MTP_FORMAT_GIF_CODE, "MTP_FORMAT_GIF" },
118         { MTP_FORMAT_JFIF_CODE, "MTP_FORMAT_JFIF" },
119         { MTP_FORMAT_CD_CODE, "MTP_FORMAT_CD" },
120         { MTP_FORMAT_PICT_CODE, "MTP_FORMAT_PICT" },
121         { MTP_FORMAT_PNG_CODE, "MTP_FORMAT_PNG" },
122         { MTP_FORMAT_TIFF_CODE, "MTP_FORMAT_TIFF" },
123         { MTP_FORMAT_TIFF_IT_CODE, "MTP_FORMAT_TIFF_IT" },
124         { MTP_FORMAT_JP2_CODE, "MTP_FORMAT_JP2" },
125         { MTP_FORMAT_JPX_CODE, "MTP_FORMAT_JPX" },
126         { MTP_FORMAT_UNDEFINED_FIRMWARE_CODE, "MTP_FORMAT_UNDEFINED_FIRMWARE" },
127         { MTP_FORMAT_WINDOWS_IMAGE_FORMAT_CODE, "MTP_FORMAT_WINDOWS_IMAGE_FORMAT" },
128         { MTP_FORMAT_UNDEFINED_AUDIO_CODE, "MTP_FORMAT_UNDEFINED_AUDIO" },
129         { MTP_FORMAT_WMA_CODE, "MTP_FORMAT_WMA" },
130         { MTP_FORMAT_OGG_CODE, "MTP_FORMAT_OGG" },
131         { MTP_FORMAT_AAC_CODE, "MTP_FORMAT_AAC" },
132         { MTP_FORMAT_AUDIBLE_CODE, "MTP_FORMAT_AUDIBLE" },
133         { MTP_FORMAT_FLAC_CODE, "MTP_FORMAT_FLAC" },
134         { MTP_FORMAT_UNDEFINED_VIDEO_CODE, "MTP_FORMAT_UNDEFINED_VIDEO" },
135         { MTP_FORMAT_WMV_CODE, "MTP_FORMAT_WMV" },
136         { MTP_FORMAT_MP4_CONTAINER_CODE, "MTP_FORMAT_MP4_CONTAINER" },
137         { MTP_FORMAT_MP2_CODE, "MTP_FORMAT_MP2" },
138         { MTP_FORMAT_3GP_CONTAINER_CODE, "MTP_FORMAT_3GP_CONTAINER" },
139         { MTP_FORMAT_UNDEFINED_COLLECTION_CODE, "MTP_FORMAT_UNDEFINED_COLLECTION" },
140         { MTP_FORMAT_ABSTRACT_MULTIMEDIA_ALBUM_CODE, "MTP_FORMAT_ABSTRACT_MULTIMEDIA_ALBUM" },
141         { MTP_FORMAT_ABSTRACT_IMAGE_ALBUM_CODE, "MTP_FORMAT_ABSTRACT_IMAGE_ALBUM" },
142         { MTP_FORMAT_ABSTRACT_AUDIO_ALBUM_CODE, "MTP_FORMAT_ABSTRACT_AUDIO_ALBUM" },
143         { MTP_FORMAT_ABSTRACT_VIDEO_ALBUM_CODE, "MTP_FORMAT_ABSTRACT_VIDEO_ALBUM" },
144         { MTP_FORMAT_ABSTRACT_AUDIO_VIDEO_PLAYLIST_CODE, "MTP_FORMAT_ABSTRACT_AUDIO_VIDEO_PLAYLIST" },
145         { MTP_FORMAT_ABSTRACT_CONTACT_GROUP_CODE, "MTP_FORMAT_ABSTRACT_CONTACT_GROUP" },
146         { MTP_FORMAT_ABSTRACT_MESSAGE_FOLDER_CODE, "MTP_FORMAT_ABSTRACT_MESSAGE_FOLDER" },
147         { MTP_FORMAT_ABSTRACT_CHAPTERED_PRODUCTION_CODE, "MTP_FORMAT_ABSTRACT_CHAPTERED_PRODUCTION" },
148         { MTP_FORMAT_ABSTRACT_AUDIO_PLAYLIST_CODE, "MTP_FORMAT_ABSTRACT_AUDIO_PLAYLIST" },
149         { MTP_FORMAT_ABSTRACT_VIDEO_PLAYLIST_CODE, "MTP_FORMAT_ABSTRACT_VIDEO_PLAYLIST" },
150         { MTP_FORMAT_ABSTRACT_MEDIACAST_CODE, "MTP_FORMAT_ABSTRACT_MEDIACAST" },
151         { MTP_FORMAT_WPL_PLAYLIST_CODE, "MTP_FORMAT_WPL_PLAYLIST" },
152         { MTP_FORMAT_M3U_PLAYLIST_CODE, "MTP_FORMAT_M3U_PLAYLIST" },
153         { MTP_FORMAT_MPL_PLAYLIST_CODE, "MTP_FORMAT_MPL_PLAYLIST" },
154         { MTP_FORMAT_ASX_PLAYLIST_CODE, "MTP_FORMAT_ASX_PLAYLIST" },
155         { MTP_FORMAT_PLS_PLAYLIST_CODE, "MTP_FORMAT_PLS_PLAYLIST" },
156         { MTP_FORMAT_UNDEFINED_DOCUMENT_CODE, "MTP_FORMAT_UNDEFINED_DOCUMENT" },
157         { MTP_FORMAT_ABSTRACT_DOCUMENT_CODE, "MTP_FORMAT_ABSTRACT_DOCUMENT" },
158         { MTP_FORMAT_XML_DOCUMENT_CODE, "MTP_FORMAT_XML_DOCUMENT" },
159         { MTP_FORMAT_MICROSOFT_WORD_DOCUMENT_CODE, "MTP_FORMAT_MICROSOFT_WORD_DOCUMENT" },
160         { MTP_FORMAT_MHT_COMPILED_HTML_DOCUMENT_CODE, "MTP_FORMAT_MHT_COMPILED_HTML_DOCUMENT" },
161         { MTP_FORMAT_MICROSOFT_EXCEL_SPREADSHEET_CODE, "MTP_FORMAT_MICROSOFT_EXCEL_SPREADSHEET" },
162         { MTP_FORMAT_MICROSOFT_POWERPOINT_PRESENTATION_CODE, "MTP_FORMAT_MICROSOFT_POWERPOINT_PRESENTATION" },
163         { MTP_FORMAT_UNDEFINED_MESSAGE_CODE, "MTP_FORMAT_UNDEFINED_MESSAGE" },
164         { MTP_FORMAT_ABSTRACT_MESSAGE_CODE, "MTP_FORMAT_ABSTRACT_MESSAGE" },
165         { MTP_FORMAT_UNDEFINED_CONTACT_CODE, "MTP_FORMAT_UNDEFINED_CONTACT" },
166         { MTP_FORMAT_ABSTRACT_CONTACT_CODE, "MTP_FORMAT_ABSTRACT_CONTACT" },
167         { MTP_FORMAT_VCARD_2_CODE, "MTP_FORMAT_VCARD_2" },
168     };
169 
170     static const std::map<uint32_t, std::string> ObjectPropMap = {
171         { MTP_PROPERTY_STORAGE_ID_CODE, "MTP_PROPERTY_STORAGE_ID" },
172         { MTP_PROPERTY_OBJECT_FORMAT_CODE, "MTP_PROPERTY_OBJECT_FORMAT" },
173         { MTP_PROPERTY_PROTECTION_STATUS_CODE, "MTP_PROPERTY_PROTECTION_STATUS" },
174         { MTP_PROPERTY_OBJECT_SIZE_CODE, "MTP_PROPERTY_OBJECT_SIZE" },
175         { MTP_PROPERTY_ASSOCIATION_TYPE_CODE, "MTP_PROPERTY_ASSOCIATION_TYPE" },
176         { MTP_PROPERTY_ASSOCIATION_DESC_CODE, "MTP_PROPERTY_ASSOCIATION_DESC" },
177         { MTP_PROPERTY_OBJECT_FILE_NAME_CODE, "MTP_PROPERTY_OBJECT_FILE_NAME" },
178         { MTP_PROPERTY_DATE_CREATED_CODE, "MTP_PROPERTY_DATE_CREATED" },
179         { MTP_PROPERTY_DATE_MODIFIED_CODE, "MTP_PROPERTY_DATE_MODIFIED" },
180         { MTP_PROPERTY_KEYWORDS_CODE, "MTP_PROPERTY_KEYWORDS" },
181         { MTP_PROPERTY_PARENT_OBJECT_CODE, "MTP_PROPERTY_PARENT_OBJECT" },
182         { MTP_PROPERTY_ALLOWED_FOLDER_CONTENTS_CODE, "MTP_PROPERTY_ALLOWED_FOLDER_CONTENTS" },
183         { MTP_PROPERTY_HIDDEN_CODE, "MTP_PROPERTY_HIDDEN" },
184         { MTP_PROPERTY_SYSTEM_OBJECT_CODE, "MTP_PROPERTY_SYSTEM_OBJECT" },
185         { MTP_PROPERTY_PERSISTENT_UID_CODE, "MTP_PROPERTY_PERSISTENT_UID" },
186         { MTP_PROPERTY_SYNCID_CODE, "MTP_PROPERTY_SYNCID" },
187         { MTP_PROPERTY_PROPERTY_BAG_CODE, "MTP_PROPERTY_PROPERTY_BAG" },
188         { MTP_PROPERTY_NAME_CODE, "MTP_PROPERTY_NAME" },
189         { MTP_PROPERTY_CREATED_BY_CODE, "MTP_PROPERTY_CREATED_BY" },
190         { MTP_PROPERTY_ARTIST_CODE, "MTP_PROPERTY_ARTIST" },
191         { MTP_PROPERTY_DATE_AUTHORED_CODE, "MTP_PROPERTY_DATE_AUTHORED" },
192         { MTP_PROPERTY_DESCRIPTION_CODE, "MTP_PROPERTY_DESCRIPTION" },
193         { MTP_PROPERTY_URL_REFERENCE_CODE, "MTP_PROPERTY_URL_REFERENCE" },
194         { MTP_PROPERTY_LANGUAG_LOCALE_CODE, "MTP_PROPERTY_LANGUAG_LOCALE" },
195         { MTP_PROPERTY_COPYRIGHT_INFORMATION_CODE, "MTP_PROPERTY_COPYRIGHT_INFORMATION" },
196         { MTP_PROPERTY_SOURCE_CODE, "MTP_PROPERTY_SOURCE" },
197         { MTP_PROPERTY_ORIGIN_LOCATION_CODE, "MTP_PROPERTY_ORIGIN_LOCATION" },
198         { MTP_PROPERTY_DATE_ADDED_CODE, "MTP_PROPERTY_DATE_ADDED" },
199         { MTP_PROPERTY_NO_CONSUMABLE_CODE, "MTP_PROPERTY_NO_CONSUMABLE" },
200         { MTP_PROPERTY_CORRUP_UNPLAYABLE_CODE, "MTP_PROPERTY_CORRUP_UNPLAYABLE" },
201         { MTP_PROPERTY_PRODUCERSERIALNUMBER_CODE, "MTP_PROPERTY_PRODUCERSERIALNUMBER" },
202         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_FORMAT_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_FORMAT" },
203         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_SIZE_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_SIZE" },
204         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_HEIGHT_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_HEIGHT" },
205         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_WIDTH_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_WIDTH" },
206         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_DURATION_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_DURATION" },
207         { MTP_PROPERTY_REPRESENTATIVE_SAMPLE_DATA_CODE, "MTP_PROPERTY_REPRESENTATIVE_SAMPLE_DATA" },
208         { MTP_PROPERTY_WIDTH_CODE, "MTP_PROPERTY_WIDTH" },
209         { MTP_PROPERTY_HEIGHT_CODE, "MTP_PROPERTY_HEIGHT" },
210         { MTP_PROPERTY_DURATION_CODE, "MTP_PROPERTY_DURATION" },
211         { MTP_PROPERTY_RATING_CODE, "MTP_PROPERTY_RATING" },
212         { MTP_PROPERTY_TRACK_CODE, "MTP_PROPERTY_TRACK" },
213         { MTP_PROPERTY_GENRE_CODE, "MTP_PROPERTY_GENRE" },
214         { MTP_PROPERTY_CREDITS_CODE, "MTP_PROPERTY_CREDITS" },
215         { MTP_PROPERTY_LYRICS_CODE, "MTP_PROPERTY_LYRICS" },
216         { MTP_PROPERTY_SUBSCRIPTION_CONTENT_ID_CODE, "MTP_PROPERTY_SUBSCRIPTION_CONTENT_ID" },
217         { MTP_PROPERTY_PRODUCED_BY_CODE, "MTP_PROPERTY_PRODUCED_BY" },
218         { MTP_PROPERTY_USE_COUNT_CODE, "MTP_PROPERTY_USE_COUNT" },
219         { MTP_PROPERTY_SKIP_COUNT_CODE, "MTP_PROPERTY_SKIP_COUNT" },
220         { MTP_PROPERTY_LAST_ACCESSED_CODE, "MTP_PROPERTY_LAST_ACCESSED" },
221         { MTP_PROPERTY_PARENTAL_RATING_CODE, "MTP_PROPERTY_PARENTAL_RATING" },
222         { MTP_PROPERTY_META_GENRE_CODE, "MTP_PROPERTY_META_GENRE" },
223         { MTP_PROPERTY_COMPOSER_CODE, "MTP_PROPERTY_COMPOSER" },
224         { MTP_PROPERTY_EFFECTIVE_RATING_CODE, "MTP_PROPERTY_EFFECTIVE_RATING" },
225         { MTP_PROPERTY_SUBTITLE_CODE, "MTP_PROPERTY_SUBTITLE" },
226         { MTP_PROPERTY_ORIGINAL_RELEASE_DATE_CODE, "MTP_PROPERTY_ORIGINAL_RELEASE_DATE" },
227         { MTP_PROPERTY_ALBUM_NAME_CODE, "MTP_PROPERTY_ALBUM_NAME" },
228         { MTP_PROPERTY_ALBUM_ARTIST_CODE, "MTP_PROPERTY_ALBUM_ARTIST" },
229         { MTP_PROPERTY_MOOD_CODE, "MTP_PROPERTY_MOOD" },
230         { MTP_PROPERTY_DRM_STATUS_CODE, "MTP_PROPERTY_DRM_STATUS" },
231         { MTP_PROPERTY_SUB_DESCRIPTION_CODE, "MTP_PROPERTY_SUB_DESCRIPTION" },
232         { MTP_PROPERTY_IS_CROPPED_CODE, "MTP_PROPERTY_IS_CROPPED" },
233         { MTP_PROPERTY_IS_COLOUR_CORRECTED_CODE, "MTP_PROPERTY_IS_COLOUR_CORRECTED" },
234         { MTP_PROPERTY_IMAGE_BIT_DEPTH_CODE, "MTP_PROPERTY_IMAGE_BIT_DEPTH" },
235         { MTP_PROPERTY_FNUMBER_CODE, "MTP_PROPERTY_FNUMBER" },
236         { MTP_PROPERTY_EXPOSURE_TIME_CODE, "MTP_PROPERTY_EXPOSURE_TIME" },
237         { MTP_PROPERTY_EXPOSURE_INDEX_CODE, "MTP_PROPERTY_EXPOSURE_INDEX" },
238         { MTP_PROPERTY_TOTAL_BITRATE_CODE, "MTP_PROPERTY_TOTAL_BITRATE" },
239         { MTP_PROPERTY_BITRATE_TYPE_CODE, "MTP_PROPERTY_BITRATE_TYPE" },
240         { MTP_PROPERTY_SAMPLE_RATE_CODE, "MTP_PROPERTY_SAMPLE_RATE" },
241         { MTP_PROPERTY_NUMBER_OF_CHANNELS_CODE, "MTP_PROPERTY_NUMBER_OF_CHANNELS" },
242         { MTP_PROPERTY_AUDIO_BITDEPTH_CODE, "MTP_PROPERTY_AUDIO_BITDEPTH" },
243         { MTP_PROPERTY_SCAN_TYPE_CODE, "MTP_PROPERTY_SCAN_TYPE" },
244         { MTP_PROPERTY_AUDIO_WAVE_CODEC_CODE, "MTP_PROPERTY_AUDIO_WAVE_CODEC" },
245         { MTP_PROPERTY_AUDIO_BITRATE_CODE, "MTP_PROPERTY_AUDIO_BITRATE" },
246         { MTP_PROPERTY_VIDEO_FOURCC_CODEC_CODE, "MTP_PROPERTY_VIDEO_FOURCC_CODEC" },
247         { MTP_PROPERTY_VIDEO_BITRATE_CODE, "MTP_PROPERTY_VIDEO_BITRATE" },
248         { MTP_PROPERTY_FRAMES_PER_THOUSAND_SECONDS_CODE, "MTP_PROPERTY_FRAMES_PER_THOUSAND_SECONDS" },
249         { MTP_PROPERTY_KEYFRAME_DISTANCE_CODE, "MTP_PROPERTY_KEYFRAME_DISTANCE" },
250         { MTP_PROPERTY_BUFFER_SIZE_CODE, "MTP_PROPERTY_BUFFER_SIZE" },
251         { MTP_PROPERTY_ENCODING_QUALITY_CODE, "MTP_PROPERTY_ENCODING_QUALITY" },
252         { MTP_PROPERTY_ENCODING_PROFILE_CODE, "MTP_PROPERTY_ENCODING_PROFILE" },
253         { MTP_PROPERTY_DISPLAY_NAME_CODE, "MTP_PROPERTY_DISPLAY_NAME" },
254         { MTP_PROPERTY_BODY_TEXT_CODE, "MTP_PROPERTY_BODY_TEXT" },
255         { MTP_PROPERTY_SUBJECT_CODE, "MTP_PROPERTY_SUBJECT" },
256         { MTP_PROPERTY_PRIORITY_CODE, "MTP_PROPERTY_PRIORITY" },
257         { MTP_PROPERTY_GIVEN_NAME_CODE, "MTP_PROPERTY_GIVEN_NAME" },
258         { MTP_PROPERTY_MIDDLE_NAMES_CODE, "MTP_PROPERTY_MIDDLE_NAMES" },
259         { MTP_PROPERTY_FAMILY_NAME_CODE, "MTP_PROPERTY_FAMILY_NAME" },
260         { MTP_PROPERTY_PREFIX_CODE, "MTP_PROPERTY_PREFIX" },
261         { MTP_PROPERTY_SUFFIX_CODE, "MTP_PROPERTY_SUFFIX" },
262         { MTP_PROPERTY_PHONETIC_GIVEN_NAME_CODE, "MTP_PROPERTY_PHONETIC_GIVEN_NAME" },
263         { MTP_PROPERTY_PHONETIC_FAMILY_NAME_CODE, "MTP_PROPERTY_PHONETIC_FAMILY_NAME" },
264         { MTP_PROPERTY_EMAIL_PRIMARY_CODE, "MTP_PROPERTY_EMAIL_PRIMARY" },
265         { MTP_PROPERTY_EMAIL_PERSONAL_1_CODE, "MTP_PROPERTY_EMAIL_PERSONAL_1" },
266         { MTP_PROPERTY_EMAIL_PERSONAL_2_CODE, "MTP_PROPERTY_EMAIL_PERSONAL_2" },
267         { MTP_PROPERTY_EMAIL_BUSINESS_1_CODE, "MTP_PROPERTY_EMAIL_BUSINESS_1" },
268         { MTP_PROPERTY_EMAIL_BUSINESS_2_CODE, "MTP_PROPERTY_EMAIL_BUSINESS_2" },
269         { MTP_PROPERTY_EMAIL_OTHERS_CODE, "MTP_PROPERTY_EMAIL_OTHERS" },
270         { MTP_PROPERTY_PHONE_NUMBER_PRIMARY_CODE, "MTP_PROPERTY_PHONE_NUMBER_PRIMARY" },
271         { MTP_PROPERTY_PHONE_NUMBER_PERSONAL_CODE, "MTP_PROPERTY_PHONE_NUMBER_PERSONAL" },
272         { MTP_PROPERTY_PHONE_NUMBER_PERSONAL_2_CODE, "MTP_PROPERTY_PHONE_NUMBER_PERSONAL_2" },
273         { MTP_PROPERTY_PHONE_NUMBER_BUSINESS_CODE, "MTP_PROPERTY_PHONE_NUMBER_BUSINESS" },
274         { MTP_PROPERTY_PHONE_NUMBER_BUSINESS_2_CODE, "MTP_PROPERTY_PHONE_NUMBER_BUSINESS_2" },
275         { MTP_PROPERTY_PHONE_NUMBER_MOBILE_CODE, "MTP_PROPERTY_PHONE_NUMBER_MOBILE" },
276         { MTP_PROPERTY_PHONE_NUMBER_MOBILE_2_CODE, "MTP_PROPERTY_PHONE_NUMBER_MOBILE_2" },
277         { MTP_PROPERTY_FAX_NUMBER_PRIMARY_CODE, "MTP_PROPERTY_FAX_NUMBER_PRIMARY" },
278         { MTP_PROPERTY_FAX_NUMBER_PERSONAL_CODE, "MTP_PROPERTY_FAX_NUMBER_PERSONAL" },
279         { MTP_PROPERTY_FAX_NUMBER_BUSINESS_CODE, "MTP_PROPERTY_FAX_NUMBER_BUSINESS" },
280         { MTP_PROPERTY_PAGER_NUMBER_CODE, "MTP_PROPERTY_PAGER_NUMBER" },
281         { MTP_PROPERTY_PHONE_NUMBER_OTHERS_CODE, "MTP_PROPERTY_PHONE_NUMBER_OTHERS" },
282         { MTP_PROPERTY_PRIMARY_WEB_ADDRESS_CODE, "MTP_PROPERTY_PRIMARY_WEB_ADDRESS" },
283         { MTP_PROPERTY_PERSONAL_WEB_ADDRESS_CODE, "MTP_PROPERTY_PERSONAL_WEB_ADDRESS" },
284         { MTP_PROPERTY_BUSINESS_WEB_ADDRESS_CODE, "MTP_PROPERTY_BUSINESS_WEB_ADDRESS" },
285         { MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS_CODE, "MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS" },
286         { MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS_2_CODE, "MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS_2" },
287         { MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS_3_CODE, "MTP_PROPERTY_INSTANT_MESSENGER_ADDRESS_3" },
288         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_FULL_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_FULL" },
289         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_LINE_1_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_LINE_1" },
290         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_LINE_2_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_LINE_2" },
291         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_CITY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_CITY" },
292         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_REGION_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_REGION" },
293         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_POSTAL_CODE_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_POSTAL" },
294         { MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_COUNTRY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_PERSONAL_COUNTRY" },
295         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_FULL_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_FULL" },
296         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_LINE_1_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_LINE_1" },
297         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_LINE_2_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_LINE_2" },
298         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_CITY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_CITY" },
299         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_REGION_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_REGION" },
300         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_POSTAL_CODE_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_POSTAL" },
301         { MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_COUNTRY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_BUSINESS_COUNTRY" },
302         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_FULL_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_FULL" },
303         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_LINE_1_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_LINE_1" },
304         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_LINE_2_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_LINE_2" },
305         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_CITY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_CITY" },
306         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_REGION_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_REGION" },
307         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_POSTAL_CODE_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_POSTAL" },
308         { MTP_PROPERTY_POSTAL_ADDRESS_OTHER_COUNTRY_CODE, "MTP_PROPERTY_POSTAL_ADDRESS_OTHER_COUNTRY" },
309         { MTP_PROPERTY_ORGANIZATION_NAME_CODE, "MTP_PROPERTY_ORGANIZATION_NAME" },
310         { MTP_PROPERTY_PHONETIC_ORGANIZATION_NAME_CODE, "MTP_PROPERTY_PHONETIC_ORGANIZATION_NAME" },
311         { MTP_PROPERTY_ROLE_CODE, "MTP_PROPERTY_ROLE" },
312         { MTP_PROPERTY_BIRTHDATE_CODE, "MTP_PROPERTY_BIRTHDATE" },
313         { MTP_PROPERTY_MESSAGE_TO_CODE, "MTP_PROPERTY_MESSAGE_TO" },
314         { MTP_PROPERTY_MESSAGE_CC_CODE, "MTP_PROPERTY_MESSAGE_CC" },
315         { MTP_PROPERTY_MESSAGE_BCC_CODE, "MTP_PROPERTY_MESSAGE_BCC" },
316         { MTP_PROPERTY_MESSAGE_READ_CODE, "MTP_PROPERTY_MESSAGE_READ" },
317         { MTP_PROPERTY_MESSAGE_RECEIVED_TIME_CODE, "MTP_PROPERTY_MESSAGE_RECEIVED_TIME" },
318         { MTP_PROPERTY_MESSAGE_SENDER_CODE, "MTP_PROPERTY_MESSAGE_SENDER" },
319         { MTP_PROPERTY_ACTIVITY_BEGIN_TIME_CODE, "MTP_PROPERTY_ACTIVITY_BEGIN_TIME" },
320         { MTP_PROPERTY_ACTIVITY_END_TIME_CODE, "MTP_PROPERTY_ACTIVITY_END_TIME" },
321         { MTP_PROPERTY_ACTIVITY_LOCATION_CODE, "MTP_PROPERTY_ACTIVITY_LOCATION" },
322         { MTP_PROPERTY_ACTIVITY_REQUIRED_ATTENDEES_CODE, "MTP_PROPERTY_ACTIVITY_REQUIRED_ATTENDEES" },
323         { MTP_PROPERTY_ACTIVITY_OPTIONAL_ATTENDEES_CODE, "MTP_PROPERTY_ACTIVITY_OPTIONAL_ATTENDEES" },
324         { MTP_PROPERTY_ACTIVITY_RESOURCES_CODE, "MTP_PROPERTY_ACTIVITY_RESOURCES" },
325         { MTP_PROPERTY_ACTIVITY_ACCEPTED_CODE, "MTP_PROPERTY_ACTIVITY_ACCEPTED" },
326         { MTP_PROPERTY_ACTIVITY_TENTATIVE_CODE, "MTP_PROPERTY_ACTIVITY_TENTATIVE" },
327         { MTP_PROPERTY_ACTIVITY_DECLINED_CODE, "MTP_PROPERTY_ACTIVITY_DECLINED" },
328         { MTP_PROPERTY_ACTIVITY_REMINDER_TIME_CODE, "MTP_PROPERTY_ACTIVITY_REMINDER_TIME" },
329         { MTP_PROPERTY_ACTIVITY_OWNER_CODE, "MTP_PROPERTY_ACTIVITY_OWNER" },
330         { MTP_PROPERTY_ACTIVITY_STATUS_CODE, "MTP_PROPERTY_ACTIVITY_STATUS" },
331         { MTP_PROPERTY_OWNER_CODE, "MTP_PROPERTY_OWNER" },
332         { MTP_PROPERTY_EDITOR_CODE, "MTP_PROPERTY_EDITOR" },
333         { MTP_PROPERTY_WEBMASTER_CODE, "MTP_PROPERTY_WEBMASTER" },
334         { MTP_PROPERTY_URL_SOURCE_CODE, "MTP_PROPERTY_URL_SOURCE" },
335         { MTP_PROPERTY_URL_DESTINATION_CODE, "MTP_PROPERTY_URL_DESTINATION" },
336         { MTP_PROPERTY_TIME_BOOKMARK_CODE, "MTP_PROPERTY_TIME_BOOKMARK" },
337         { MTP_PROPERTY_OBJECT_BOOKMARK_CODE, "MTP_PROPERTY_OBJECT_BOOKMARK" },
338         { MTP_PROPERTY_BYTE_BOOKMARK_CODE, "MTP_PROPERTY_BYTE_BOOKMARK" },
339         { MTP_PROPERTY_LAST_BUILD_DATE_CODE, "MTP_PROPERTY_LAST_BUILD_DATE" },
340         { MTP_PROPERTY_TIME_TO_LIVE_CODE, "MTP_PROPERTY_TIME_TO_LIVE" },
341         { MTP_PROPERTY_MEDIA_GUID_CODE, "MTP_PROPERTY_MEDIA_GUID" },
342     };
343 
344     static const std::map<int, std::string> DataTypeMap = {
345         { MTP_TYPE_UNDEFINED_CODE, "MTP_TYPE_UNDEFINED" },
346         { MTP_TYPE_INT8_CODE, "MTP_TYPE_INT8" },
347         { MTP_TYPE_UINT8_CODE, "MTP_TYPE_UINT8" },
348         { MTP_TYPE_INT16_CODE, "MTP_TYPE_INT16" },
349         { MTP_TYPE_UINT16_CODE, "MTP_TYPE_UINT16" },
350         { MTP_TYPE_INT32_CODE, "MTP_TYPE_INT32" },
351         { MTP_TYPE_UINT32_CODE, "MTP_TYPE_UINT32" },
352         { MTP_TYPE_INT64_CODE, "MTP_TYPE_INT64" },
353         { MTP_TYPE_UINT64_CODE, "MTP_TYPE_UINT64" },
354         { MTP_TYPE_INT128_CODE, "MTP_TYPE_INT128" },
355         { MTP_TYPE_UINT128_CODE, "MTP_TYPE_UINT128" },
356         { MTP_TYPE_AINT8_CODE, "MTP_TYPE_AINT8" },
357         { MTP_TYPE_AUINT8_CODE, "MTP_TYPE_AUINT8" },
358         { MTP_TYPE_AINT16_CODE, "MTP_TYPE_AINT16" },
359         { MTP_TYPE_AUINT16_CODE, "MTP_TYPE_AUINT16" },
360         { MTP_TYPE_AINT32_CODE, "MTP_TYPE_AINT32" },
361         { MTP_TYPE_AUINT32_CODE, "MTP_TYPE_AUINT32" },
362         { MTP_TYPE_AINT64_CODE, "MTP_TYPE_AINT64" },
363         { MTP_TYPE_AUINT64_CODE, "MTP_TYPE_AUINT64" },
364         { MTP_TYPE_AINT128_CODE, "MTP_TYPE_AINT128" },
365         { MTP_TYPE_AUINT128_CODE, "MTP_TYPE_AUINT128" },
366         { MTP_TYPE_STRING_CODE, "MTP_TYPE_STRING" },
367     };
368 
369     static const std::map<uint32_t, std::string> EventMap = {
370         { MTP_EVENT_UNDEFINED_CODE, "MTP_EVENT_UNDEFINED" },
371         { MTP_EVENT_CANCEL_TRANSACTION_CODE, "MTP_EVENT_CANCEL_TRANSACTION" },
372         { MTP_EVENT_OBJECT_ADDED_CODE, "MTP_EVENT_OBJECT_ADDED" },
373         { MTP_EVENT_OBJECT_REMOVED_CODE, "MTP_EVENT_OBJECT_REMOVED" },
374         { MTP_EVENT_STORE_ADDED_CODE, "MTP_EVENT_STORE_ADDED" },
375         { MTP_EVENT_STORE_REMOVED_CODE, "MTP_EVENT_STORE_REMOVED" },
376         { MTP_EVENT_DEVICE_PROP_CHANGED_CODE, "MTP_EVENT_DEVICE_PROP_CHANGED" },
377         { MTP_EVENT_OBJECT_INFO_CHANGED_CODE, "MTP_EVENT_OBJECT_INFO_CHANGED" },
378         { MTP_EVENT_DEVICE_INFO_CHANGED_CODE, "MTP_EVENT_DEVICE_INFO_CHANGED" },
379         { MTP_EVENT_REQUEST_OBJECT_TRANSFER_CODE, "MTP_EVENT_REQUEST_OBJECT_TRANSFER" },
380         { MTP_EVENT_STORE_FULL_CODE, "MTP_EVENT_STORE_FULL" },
381         { MTP_EVENT_DEVICE_RESET_CODE, "MTP_EVENT_DEVICE_RESET" },
382         { MTP_EVENT_STORAGE_INFO_CHANGED_CODE, "MTP_EVENT_STORAGE_INFO_CHANGED" },
383         { MTP_EVENT_CAPTURE_COMPLETE_CODE, "MTP_EVENT_CAPTURE_COMPLETE" },
384         { MTP_EVENT_UNREPORTED_STATUS_CODE, "MTP_EVENT_UNREPORTED_STATUS" },
385         { MTP_EVENT_OBJECT_PROP_CHANGED_CODE, "MTP_EVENT_OBJECT_PROP_CHANGED" },
386         { MTP_EVENT_OBJECT_PROP_DESC_CHANGED_CODE, "MTP_EVENT_OBJECT_PROP_DESC_CHANGED" },
387         { MTP_EVENT_OBJECT_REFERENCES_CHANGED_CODE, "MTP_EVENT_OBJECT_REFERENCES_CHANGED" },
388     };
389 
390     static const std::map<uint16_t, int> ObjectPropTypeMap = {
391         { MTP_PROPERTY_STORAGE_ID_CODE, MTP_TYPE_UINT32_CODE },
392         { MTP_PROPERTY_OBJECT_FORMAT_CODE, MTP_TYPE_UINT16_CODE },
393         { MTP_PROPERTY_PROTECTION_STATUS_CODE, MTP_TYPE_UINT16_CODE },
394         { MTP_PROPERTY_OBJECT_SIZE_CODE, MTP_TYPE_UINT64_CODE },
395         { MTP_PROPERTY_OBJECT_FILE_NAME_CODE, MTP_TYPE_STRING_CODE },
396         { MTP_PROPERTY_DATE_MODIFIED_CODE, MTP_TYPE_STRING_CODE },
397         { MTP_PROPERTY_PARENT_OBJECT_CODE, MTP_TYPE_UINT32_CODE },
398         { MTP_PROPERTY_PERSISTENT_UID_CODE, MTP_TYPE_UINT128_CODE },
399         { MTP_PROPERTY_NAME_CODE, MTP_TYPE_STRING_CODE },
400         { MTP_PROPERTY_DISPLAY_NAME_CODE, MTP_TYPE_STRING_CODE },
401         { MTP_PROPERTY_DATE_ADDED_CODE, MTP_TYPE_STRING_CODE },
402         { MTP_PROPERTY_ARTIST_CODE, MTP_TYPE_STRING_CODE },
403         { MTP_PROPERTY_ALBUM_NAME_CODE, MTP_TYPE_STRING_CODE },
404         { MTP_PROPERTY_ALBUM_ARTIST_CODE, MTP_TYPE_STRING_CODE },
405         { MTP_PROPERTY_TRACK_CODE, MTP_TYPE_UINT16_CODE },
406         { MTP_PROPERTY_ORIGINAL_RELEASE_DATE_CODE, MTP_TYPE_STRING_CODE },
407         { MTP_PROPERTY_GENRE_CODE, MTP_TYPE_STRING_CODE },
408         { MTP_PROPERTY_COMPOSER_CODE, MTP_TYPE_STRING_CODE },
409         { MTP_PROPERTY_DURATION_CODE, MTP_TYPE_UINT32_CODE },
410         { MTP_PROPERTY_DESCRIPTION_CODE, MTP_TYPE_STRING_CODE },
411         { MTP_PROPERTY_AUDIO_WAVE_CODEC_CODE, MTP_TYPE_UINT32_CODE },
412         { MTP_PROPERTY_BITRATE_TYPE_CODE, MTP_TYPE_UINT16_CODE },
413         { MTP_PROPERTY_AUDIO_BITRATE_CODE, MTP_TYPE_UINT32_CODE },
414         { MTP_PROPERTY_NUMBER_OF_CHANNELS_CODE, MTP_TYPE_UINT16_CODE },
415         { MTP_PROPERTY_SAMPLE_RATE_CODE, MTP_TYPE_UINT32_CODE },
416     };
417 }
418 
MtpPacketTool()419 MtpPacketTool::MtpPacketTool()
420 {
421 }
422 
~MtpPacketTool()423 MtpPacketTool::~MtpPacketTool()
424 {
425 }
426 
GetUInt16(uint8_t numFirst,uint8_t numSecond)427 uint16_t MtpPacketTool::GetUInt16(uint8_t numFirst, uint8_t numSecond)
428 {
429     return ((uint16_t)numSecond << BIT_8) | (uint16_t)numFirst;
430 }
431 
GetUInt32(uint8_t numFirst,uint8_t numSecond,uint8_t numThird,uint8_t numFourth)432 uint32_t MtpPacketTool::GetUInt32(uint8_t numFirst, uint8_t numSecond, uint8_t numThird, uint8_t numFourth)
433 {
434     return ((uint32_t)numFourth << BIT_24) | ((uint32_t)numThird << BIT_16) | ((uint32_t)numSecond << BIT_8) |
435         (uint32_t)numFirst;
436 }
437 
PutUInt8(std::vector<uint8_t> & outBuffer,uint16_t value)438 void MtpPacketTool::PutUInt8(std::vector<uint8_t> &outBuffer, uint16_t value)
439 {
440     outBuffer.push_back((uint8_t)(value & 0xFF));
441 }
442 
PutUInt16(std::vector<uint8_t> & outBuffer,uint16_t value)443 void MtpPacketTool::PutUInt16(std::vector<uint8_t> &outBuffer, uint16_t value)
444 {
445     outBuffer.push_back((uint8_t)(value & 0xFF));
446     outBuffer.push_back((uint8_t)((value >> BIT_8) & 0xFF));
447 }
448 
PutUInt32(std::vector<uint8_t> & outBuffer,uint32_t value)449 void MtpPacketTool::PutUInt32(std::vector<uint8_t> &outBuffer, uint32_t value)
450 {
451     outBuffer.push_back((uint8_t)(value & 0xFF));
452     outBuffer.push_back((uint8_t)((value >> BIT_8) & 0xFF));
453     outBuffer.push_back((uint8_t)((value >> BIT_16) & 0xFF));
454     outBuffer.push_back((uint8_t)((value >> BIT_24) & 0xFF));
455 }
456 
PutUInt64(std::vector<uint8_t> & outBuffer,uint64_t value)457 void MtpPacketTool::PutUInt64(std::vector<uint8_t> &outBuffer, uint64_t value)
458 {
459     outBuffer.push_back((uint8_t)(value & 0xFF));
460     outBuffer.push_back((uint8_t)((value >> BIT_8) & 0xFF));
461     outBuffer.push_back((uint8_t)((value >> BIT_16) & 0xFF));
462     outBuffer.push_back((uint8_t)((value >> BIT_24) & 0xFF));
463     outBuffer.push_back((uint8_t)((value >> BIT_32) & 0xFF));
464     outBuffer.push_back((uint8_t)((value >> BIT_40) & 0xFF));
465     outBuffer.push_back((uint8_t)((value >> BIT_48) & 0xFF));
466     outBuffer.push_back((uint8_t)((value >> BIT_56) & 0xFF));
467 }
468 
PutUInt128(std::vector<uint8_t> & outBuffer,uint64_t value)469 void MtpPacketTool::PutUInt128(std::vector<uint8_t> &outBuffer, uint64_t value)
470 {
471     PutUInt64(outBuffer, value);
472     PutUInt64(outBuffer, 0);
473 }
474 
PutUInt128(std::vector<uint8_t> & outBuffer,const uint128_t value)475 void MtpPacketTool::PutUInt128(std::vector<uint8_t> &outBuffer, const uint128_t value)
476 {
477     PutUInt32(outBuffer, value[OFFSET_0]);
478     PutUInt32(outBuffer, value[OFFSET_1]);
479     PutUInt32(outBuffer, value[OFFSET_2]);
480     PutUInt32(outBuffer, value[OFFSET_3]);
481 }
482 
PutAUInt16(std::vector<uint8_t> & outBuffer,const uint16_t * values,int count)483 void MtpPacketTool::PutAUInt16(std::vector<uint8_t> &outBuffer, const uint16_t *values, int count)
484 {
485     PutUInt32(outBuffer, count);
486     for (int i = 0; i < count; i++) {
487         PutUInt16(outBuffer, *values++);
488     }
489 }
490 
PutAUInt32(std::vector<uint8_t> & outBuffer,const uint32_t * values,int count)491 void MtpPacketTool::PutAUInt32(std::vector<uint8_t> &outBuffer, const uint32_t *values, int count)
492 {
493     PutUInt32(outBuffer, count);
494     for (int i = 0; i < count; i++) {
495         PutUInt32(outBuffer, *values++);
496     }
497 }
498 
PutInt8(std::vector<uint8_t> & outBuffer,int8_t value)499 void MtpPacketTool::PutInt8(std::vector<uint8_t> &outBuffer, int8_t value)
500 {
501     outBuffer.push_back(static_cast<uint8_t>(value));
502 }
503 
PutInt16(std::vector<uint8_t> & outBuffer,int16_t value)504 void MtpPacketTool::PutInt16(std::vector<uint8_t> &outBuffer, int16_t value)
505 {
506     PutUInt16(outBuffer, static_cast<uint16_t>(value));
507 }
508 
PutInt32(std::vector<uint8_t> & outBuffer,int32_t value)509 void MtpPacketTool::PutInt32(std::vector<uint8_t> &outBuffer, int32_t value)
510 {
511     PutUInt32(outBuffer, static_cast<uint32_t>(value));
512 }
513 
PutInt64(std::vector<uint8_t> & outBuffer,int64_t value)514 void MtpPacketTool::PutInt64(std::vector<uint8_t> &outBuffer, int64_t value)
515 {
516     PutUInt64(outBuffer, static_cast<uint64_t>(value));
517 }
518 
PutInt128(std::vector<uint8_t> & outBuffer,int64_t value)519 void MtpPacketTool::PutInt128(std::vector<uint8_t> &outBuffer, int64_t value)
520 {
521     PutUInt64(outBuffer, static_cast<uint64_t>(value));
522     PutUInt64(outBuffer, static_cast<uint64_t>(value < 0 ? -1 : 0));
523 }
524 
PutInt128(std::vector<uint8_t> & outBuffer,const int128_t value)525 void MtpPacketTool::PutInt128(std::vector<uint8_t> &outBuffer, const int128_t value)
526 {
527     PutUInt32(outBuffer, static_cast<uint32_t>(value[OFFSET_0]));
528     PutUInt32(outBuffer, static_cast<uint32_t>(value[OFFSET_1]));
529     PutUInt32(outBuffer, static_cast<uint32_t>(value[OFFSET_2]));
530     PutUInt32(outBuffer, static_cast<uint32_t>(value[OFFSET_3]));
531 }
532 
PutString(std::vector<uint8_t> & outBuffer,const std::string & string)533 void MtpPacketTool::PutString(std::vector<uint8_t> &outBuffer, const std::string &string)
534 {
535     std::u16string src16 = Utf8ToUtf16(string);
536 
537     uint16_t count = src16.length();
538     if (count == 0) {
539         PutUInt8(outBuffer, 0);
540         return;
541     }
542     PutUInt8(outBuffer, std::min(count + 1, MAX_LENGTH));
543 
544     int i = 0;
545     for (char16_t &c : src16) {
546         if (i == MAX_LENGTH - 1) {
547             break;
548         }
549         PutUInt16(outBuffer, c);
550         i++;
551     }
552     PutUInt16(outBuffer, 0);
553 }
554 
555 std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> gConvert(UTF16_CERROR, UTF8_CERROR);
556 
Utf8ToUtf16(const std::string & inputStr)557 std::u16string MtpPacketTool::Utf8ToUtf16(const std::string &inputStr)
558 {
559     std::u16string conversion = gConvert.from_bytes(inputStr);
560     if (conversion == UTF8_CERROR) {
561         return u"";
562     } else {
563         return conversion;
564     }
565 }
566 
Utf16ToUtf8(const std::u16string & inputStr)567 std::string MtpPacketTool::Utf16ToUtf8(const std::u16string &inputStr)
568 {
569     std::string conversion = gConvert.to_bytes(inputStr);
570     if (conversion == UTF16_CERROR) {
571         return "";
572     } else {
573         return conversion;
574     }
575 }
576 
GetUInt8(const std::vector<uint8_t> & buffer,size_t & offset)577 uint8_t MtpPacketTool::GetUInt8(const std::vector<uint8_t> &buffer, size_t &offset)
578 {
579     uint8_t value = (uint16_t)buffer[offset];
580     offset += sizeof(uint8_t);
581     return value;
582 }
583 
GetUInt16(const std::vector<uint8_t> & buffer,size_t & offset)584 uint16_t MtpPacketTool::GetUInt16(const std::vector<uint8_t> &buffer, size_t &offset)
585 {
586     uint16_t value = (uint16_t)buffer[offset] | ((uint16_t)buffer[offset + OFFSET_1] << BIT_8);
587     offset += sizeof(uint16_t);
588     return value;
589 }
590 
GetUInt32(const std::vector<uint8_t> & buffer,size_t & offset)591 uint32_t MtpPacketTool::GetUInt32(const std::vector<uint8_t> &buffer, size_t &offset)
592 {
593     uint32_t value = (uint32_t)buffer[offset] | ((uint32_t)buffer[offset + OFFSET_1] << BIT_8) |
594         ((uint32_t)buffer[offset + OFFSET_2] << BIT_16) | ((uint32_t)buffer[offset + OFFSET_3] << BIT_24);
595     offset += sizeof(uint32_t);
596     return value;
597 }
598 
GetUInt8(const std::vector<uint8_t> & buffer,size_t & offset,uint8_t & value)599 bool MtpPacketTool::GetUInt8(const std::vector<uint8_t> &buffer, size_t &offset, uint8_t &value)
600 {
601     if (buffer.size() < sizeof(uint8_t) + offset) {
602         MEDIA_ERR_LOG("MtpPacketTool::GetUInt8, size incorrect");
603         return false;
604     }
605 
606     value = buffer[offset];
607     offset += sizeof(uint8_t);
608     return true;
609 }
610 
GetUInt16(const std::vector<uint8_t> & buffer,size_t & offset,uint16_t & value)611 bool MtpPacketTool::GetUInt16(const std::vector<uint8_t> &buffer, size_t &offset, uint16_t &value)
612 {
613     if (buffer.size() < sizeof(uint16_t) + offset) {
614         MEDIA_ERR_LOG("MtpPacketTool::GetUInt16, size incorrect");
615         return false;
616     }
617 
618     value = (uint32_t)buffer[offset] | ((uint32_t)buffer[offset + OFFSET_1] << BIT_8);
619     offset += sizeof(uint16_t);
620     return true;
621 }
622 
GetUInt32(const std::vector<uint8_t> & buffer,size_t & offset,uint32_t & value)623 bool MtpPacketTool::GetUInt32(const std::vector<uint8_t> &buffer, size_t &offset, uint32_t &value)
624 {
625     if (buffer.size() < sizeof(uint32_t) + offset) {
626         MEDIA_ERR_LOG("MtpPacketTool::GetUInt32, size incorrect");
627         return false;
628     }
629 
630     value = (uint32_t)buffer[offset] | ((uint32_t)buffer[offset + OFFSET_1] << BIT_8) |
631         ((uint32_t)buffer[offset + OFFSET_2] << BIT_16) | ((uint32_t)buffer[offset + OFFSET_3] << BIT_24);
632     offset += sizeof(uint32_t);
633     return true;
634 }
635 
GetUInt64(const std::vector<uint8_t> & buffer,size_t & offset,uint64_t & value)636 bool MtpPacketTool::GetUInt64(const std::vector<uint8_t> &buffer, size_t &offset, uint64_t &value)
637 {
638     if (buffer.size() < sizeof(uint64_t) + offset) {
639         MEDIA_ERR_LOG("MtpPacketTool::GetUInt64, size incorrect");
640         return false;
641     }
642 
643     value = buffer[offset] | (buffer[offset + OFFSET_1] << BIT_8) | (buffer[offset + OFFSET_2] << BIT_16) |
644         (buffer[offset + OFFSET_3] << BIT_24) | (static_cast<uint64_t>(buffer[offset + OFFSET_4]) << BIT_32) |
645         (static_cast<uint64_t>(buffer[offset + OFFSET_5]) << BIT_40) |
646         (static_cast<uint64_t>(buffer[offset + OFFSET_6]) << BIT_48) |
647         (static_cast<uint64_t>(buffer[offset + OFFSET_7]) << BIT_56);
648     offset += sizeof(uint64_t);
649     return true;
650 }
651 
GetUInt128(const std::vector<uint8_t> & buffer,size_t & offset,uint128_t & value)652 bool MtpPacketTool::GetUInt128(const std::vector<uint8_t> &buffer, size_t &offset, uint128_t &value)
653 {
654     bool cond = (!GetUInt32(buffer, offset, value[OFFSET_0]) || !GetUInt32(buffer, offset, value[OFFSET_1]) ||
655         !GetUInt32(buffer, offset, value[OFFSET_2]) || !GetUInt32(buffer, offset, value[OFFSET_3]));
656     CHECK_AND_RETURN_RET(!cond, false);
657     return true;
658 }
659 
GetInt8(const std::vector<uint8_t> & buffer,size_t & offset,int8_t & value)660 bool MtpPacketTool::GetInt8(const std::vector<uint8_t> &buffer, size_t &offset, int8_t &value)
661 {
662     uint8_t uValue = 0;
663     if (!GetUInt8(buffer, offset, uValue)) {
664         return false;
665     }
666     value = static_cast<int8_t>(uValue);
667     return true;
668 }
669 
GetInt16(const std::vector<uint8_t> & buffer,size_t & offset,int16_t & value)670 bool MtpPacketTool::GetInt16(const std::vector<uint8_t> &buffer, size_t &offset, int16_t &value)
671 {
672     uint16_t uValue = 0;
673     if (!GetUInt16(buffer, offset, uValue)) {
674         return false;
675     }
676     value = static_cast<int16_t>(uValue);
677     return true;
678 }
679 
GetInt32(const std::vector<uint8_t> & buffer,size_t & offset,int32_t & value)680 bool MtpPacketTool::GetInt32(const std::vector<uint8_t> &buffer, size_t &offset, int32_t &value)
681 {
682     uint32_t uValue = 0;
683     if (!GetUInt32(buffer, offset, uValue)) {
684         return false;
685     }
686     value = static_cast<int32_t>(uValue);
687     return true;
688 }
GetInt64(const std::vector<uint8_t> & buffer,size_t & offset,int64_t & value)689 bool MtpPacketTool::GetInt64(const std::vector<uint8_t> &buffer, size_t &offset, int64_t &value)
690 {
691     uint64_t uValue = 0;
692     if (!GetUInt64(buffer, offset, uValue)) {
693         return false;
694     }
695     value = static_cast<int64_t>(uValue);
696     return true;
697 }
698 
GetInt128(const std::vector<uint8_t> & buffer,size_t & offset,int128_t & value)699 bool MtpPacketTool::GetInt128(const std::vector<uint8_t> &buffer, size_t &offset, int128_t &value)
700 {
701     uint128_t uValue = {0};
702     bool cond = (!GetUInt32(buffer, offset, uValue[OFFSET_0]) || !GetUInt32(buffer, offset, uValue[OFFSET_1]) ||
703         !GetUInt32(buffer, offset, uValue[OFFSET_2]) || !GetUInt32(buffer, offset, uValue[OFFSET_3]));
704     CHECK_AND_RETURN_RET(!cond, false);
705 
706     value[OFFSET_0] = static_cast<int32_t>(uValue[OFFSET_0]);
707     value[OFFSET_1] = static_cast<int32_t>(uValue[OFFSET_1]);
708     value[OFFSET_2] = static_cast<int32_t>(uValue[OFFSET_2]);
709     value[OFFSET_3] = static_cast<int32_t>(uValue[OFFSET_3]);
710     return true;
711 }
712 
GetAUInt16(const std::vector<uint8_t> & buffer,size_t & offset)713 std::shared_ptr<UInt16List> MtpPacketTool::GetAUInt16(const std::vector<uint8_t> &buffer, size_t &offset)
714 {
715     std::shared_ptr<UInt16List> result = std::make_shared<UInt16List>();
716 
717     uint32_t count = GetUInt32(buffer, offset);
718     uint16_t value = 0;
719     for (uint32_t i = 0; i < count; i++) {
720         if (!GetUInt16(buffer, offset, value)) {
721             MEDIA_ERR_LOG("MtpPacketTool::GetAUInt16, count=%{public}d, i=%{public}d", count, i);
722             break;
723         }
724         result->push_back(value);
725     }
726 
727     return result;
728 }
729 
GetAUInt32(const std::vector<uint8_t> & buffer,size_t & offset)730 std::shared_ptr<UInt32List> MtpPacketTool::GetAUInt32(const std::vector<uint8_t> &buffer, size_t &offset)
731 {
732     std::shared_ptr<UInt32List> result = std::make_shared<UInt32List>();
733 
734     uint32_t count = GetUInt32(buffer, offset);
735     uint32_t value = 0;
736     for (uint32_t i = 0; i < count; i++) {
737         if (!GetUInt32(buffer, offset, value)) {
738             MEDIA_ERR_LOG("MtpPacketTool::GetAUInt32, count=%{public}d, i=%{public}d", count, i);
739             break;
740         }
741         result->push_back(value);
742     }
743 
744     return result;
745 }
746 
GetString(const std::vector<uint8_t> & buffer,size_t & offset)747 std::string MtpPacketTool::GetString(const std::vector<uint8_t> &buffer, size_t &offset)
748 {
749     uint8_t count = GetUInt8(buffer, offset);
750     if (count < 1) {
751         return std::string();
752     }
753     std::vector<char16_t> tmpbuf(count);
754     uint16_t ch = 0;
755     for (int i = 0; i < count; i++) {
756         ch = GetUInt16(buffer, offset);
757         tmpbuf[i] = ch;
758     }
759     std::string String = Utf16ToUtf8(std::u16string(tmpbuf.data()));
760     return String;
761 }
762 
GetString(const std::vector<uint8_t> & buffer,size_t & offset,std::string & str)763 bool MtpPacketTool::GetString(const std::vector<uint8_t> &buffer, size_t &offset, std::string &str)
764 {
765     uint8_t count = 0;
766     if (!GetUInt8(buffer, offset, count)) {
767         return false;
768     }
769 
770     if (count < 1) {
771         str = std::string();
772         return true;
773     }
774 
775     std::vector<char16_t> tmpbuf(count);
776     uint16_t ch = 0;
777     for (int i = 0; ((i < count) && ((offset + sizeof(uint16_t) - 1) < buffer.size())); i++) {
778         if (!GetUInt16(buffer, offset, ch)) {
779             return false;
780         }
781         tmpbuf[i] = ch;
782     }
783 
784     str = Utf16ToUtf8(std::u16string(tmpbuf.data()));
785     return true;
786 }
787 
FormatDateTime(time_t sec)788 std::string MtpPacketTool::FormatDateTime(time_t sec)
789 {
790     struct tm tm;
791     char buffer[TIME_LENGTH] = {0};
792     localtime_r(&sec, &tm);
793     if (sprintf_s(buffer, sizeof(buffer), "%04d%02d%02dT%02d%02d%02d", tm.tm_year + BEGIN_YEAR, tm.tm_mon + 1,
794         tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec) == -1) {
795         return "";
796     }
797     return std::string(buffer);
798 }
799 
GetOperationName(uint16_t code)800 const std::string &MtpPacketTool::GetOperationName(uint16_t code)
801 {
802     return CodeToStrByMap(code, OperationMap);
803 }
804 
GetFormatName(uint16_t code)805 const std::string &MtpPacketTool::GetFormatName(uint16_t code)
806 {
807     return CodeToStrByMap(code, FormatMap);
808 }
809 
GetObjectPropName(uint16_t code)810 const std::string &MtpPacketTool::GetObjectPropName(uint16_t code)
811 {
812     return CodeToStrByMap(code, ObjectPropMap);
813 }
814 
GetDataTypeName(int type)815 const std::string &MtpPacketTool::GetDataTypeName(int type)
816 {
817     return CodeToStrByMap(type, DataTypeMap);
818 }
819 
GetEventName(uint16_t code)820 const std::string &MtpPacketTool::GetEventName(uint16_t code)
821 {
822     return CodeToStrByMap(code, EventMap);
823 }
824 
GetAssociationName(int type)825 const std::string &MtpPacketTool::GetAssociationName(int type)
826 {
827     return CodeToStrByMap(type, AssociationMap);
828 }
829 
CodeToStrByMap(int type,const std::map<int,std::string> & theMap)830 const std::string &MtpPacketTool::CodeToStrByMap(int type, const std::map<int, std::string> &theMap)
831 {
832     auto codeSearch = theMap.find(type);
833     return (codeSearch != theMap.end()) ? codeSearch->second : UNKNOWN_STR;
834 }
835 
CodeToStrByMap(uint32_t code,const std::map<uint32_t,std::string> & theMap)836 const std::string &MtpPacketTool::CodeToStrByMap(uint32_t code, const std::map<uint32_t, std::string> &theMap)
837 {
838     auto codeSearch = theMap.find(code);
839     return (codeSearch != theMap.end()) ? codeSearch->second : UNKNOWN_STR;
840 }
841 
GetObjectPropTypeByPropCode(uint16_t propCode)842 int MtpPacketTool::GetObjectPropTypeByPropCode(uint16_t propCode)
843 {
844     auto propCodeSearch = ObjectPropTypeMap.find(propCode);
845     return (propCodeSearch != ObjectPropTypeMap.end()) ? propCodeSearch->second : MTP_TYPE_UNDEFINED_CODE;
846 }
847 
Int8ToString(const int8_t & value,std::string & outStr)848 bool MtpPacketTool::Int8ToString(const int8_t &value, std::string &outStr)
849 {
850     char tmpbuf[BIT_32] = {0};
851     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%02x, dec=%d", value, value) != -1, false);
852     outStr.assign(tmpbuf);
853     return true;
854 }
855 
UInt8ToString(const uint8_t & value,std::string & outStr)856 bool MtpPacketTool::UInt8ToString(const uint8_t &value, std::string &outStr)
857 {
858     char tmpbuf[BIT_32] = {0};
859     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%02x, dec=%u", value, value) != -1, false);
860     outStr.assign(tmpbuf);
861     return true;
862 }
863 
Int16ToString(const int16_t & value,std::string & outStr)864 bool MtpPacketTool::Int16ToString(const int16_t &value, std::string &outStr)
865 {
866     char tmpbuf[BIT_32] = {0};
867     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%04x, dec=%d", value, value) != -1,  false);
868     outStr.assign(tmpbuf);
869     return true;
870 }
871 
UInt16ToString(const uint16_t & value,std::string & outStr)872 bool MtpPacketTool::UInt16ToString(const uint16_t &value, std::string &outStr)
873 {
874     char tmpbuf[BIT_32] = {0};
875     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%04x, dec=%u", value, value) != -1, false);
876     outStr.assign(tmpbuf);
877     return true;
878 }
879 
Int32ToString(const int32_t & value,std::string & outStr)880 bool MtpPacketTool::Int32ToString(const int32_t &value, std::string &outStr)
881 {
882     char tmpbuf[BIT_64] = {0};
883     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%08x, dec=%d", value, value) != -1, false);
884     outStr.assign(tmpbuf);
885     return true;
886 }
887 
UInt32ToString(const uint32_t & value,std::string & outStr)888 bool MtpPacketTool::UInt32ToString(const uint32_t &value, std::string &outStr)
889 {
890     char tmpbuf[BIT_64] = {0};
891     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%08x, dec=%u", value, value) != -1, false);
892     outStr.assign(tmpbuf);
893     return true;
894 }
895 
Int64ToString(const int64_t & value,std::string & outStr)896 bool MtpPacketTool::Int64ToString(const int64_t &value, std::string &outStr)
897 {
898     char tmpbuf[BIT_64] = {0};
899     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%016" PRIx64 ", dec=%" PRIi64 "",
900         value, value) != -1, false);
901     outStr.assign(tmpbuf);
902     return true;
903 }
904 
UInt64ToString(const uint64_t & value,std::string & outStr)905 bool MtpPacketTool::UInt64ToString(const uint64_t &value, std::string &outStr)
906 {
907     char tmpbuf[BIT_64] = {0};
908     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=%016" PRIx64 ", dec=%" PRIu64 "",
909         value, value) != -1, false);
910     outStr.assign(tmpbuf);
911     return true;
912 }
913 
Int128ToString(const int128_t & value,std::string & outStr)914 bool MtpPacketTool::Int128ToString(const int128_t &value, std::string &outStr)
915 {
916     char tmpbuf[BIT_128] = {0};
917     CHECK_AND_RETURN_RET(sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=(%08x,%08x,%08x,%08x), dec=(%d,%d,%d,%d)",
918         value[OFFSET_0], value[OFFSET_1], value[OFFSET_2], value[OFFSET_3], value[OFFSET_0], value[OFFSET_1],
919         value[OFFSET_2], value[OFFSET_3]) != -1, false);
920     outStr.assign(tmpbuf);
921     return true;
922 }
923 
UInt128ToString(const uint128_t & value,std::string & outStr)924 bool MtpPacketTool::UInt128ToString(const uint128_t &value, std::string &outStr)
925 {
926     char tmpbuf[BIT_128] = {0};
927     if (sprintf_s(tmpbuf, sizeof(tmpbuf), "hex=(%08x,%08x,%08x,%08x), dec=(%u,%u,%u,%u)", value[OFFSET_0],
928         value[OFFSET_1], value[OFFSET_2], value[OFFSET_3], value[OFFSET_0], value[OFFSET_1], value[OFFSET_2],
929         value[OFFSET_3]) == -1) {
930         return false;
931     }
932     outStr.assign(tmpbuf);
933     return true;
934 }
935 
StrToString(const std::string & value)936 std::string MtpPacketTool::StrToString(const std::string &value)
937 {
938     std::string str;
939     str.append("length:");
940     str.append(std::to_string(value.length()));
941     str.append(", content:[");
942     str.append(value);
943     str.append("]");
944     return str;
945 }
946 
GetIndentBlank()947 const std::string &MtpPacketTool::GetIndentBlank()
948 {
949     return INDENT_BLANKSTR;
950 }
951 
GetIndentBlank(size_t indent)952 std::string MtpPacketTool::GetIndentBlank(size_t indent)
953 {
954     size_t maxNum = BLANK_STR.length();
955     size_t num = indent * INDENT_SIZE;
956 
957     std::string indentStr = BLANK_STR.substr(0, ((num > maxNum) ? maxNum : num));
958     return indentStr;
959 }
960 
CanDump()961 bool MtpPacketTool::CanDump()
962 {
963     std::string mtpShowDump = OHOS::system::GetParameter(KEY_MTP_SHOW_DUMP, MTP_SHOW_DUMP_DEFAULT);
964     return mtpShowDump.compare(ALLOW_SHOW_DUMP) == 0;
965 }
966 
DumpPacket(const std::vector<uint8_t> & outBuffer)967 void MtpPacketTool::DumpPacket(const std::vector<uint8_t> &outBuffer)
968 {
969     if (!MtpPacketTool::CanDump()) {
970         MEDIA_DEBUG_LOG("MtpPacketTool::CanDump return false");
971         return;
972     }
973     int offset = 0;
974     uint32_t containerLength = MtpPacketTool::GetUInt32(outBuffer[offset], outBuffer[offset + OFFSET_1],
975         outBuffer[offset + OFFSET_2], outBuffer[offset + OFFSET_3]);
976     uint16_t containerType = MtpPacketTool::GetUInt16(outBuffer[offset + OFFSET_4],
977         outBuffer[offset + OFFSET_5]);
978     if (containerType == DATA_CONTAINER_TYPE) {
979         MEDIA_DEBUG_LOG("Packet type: %{public}d, Payload Size: %{public}d",
980             DATA_CONTAINER_TYPE, containerLength - PACKET_HEADER_LENGETH);
981         MtpPacketTool::Dump(outBuffer, 0, PACKET_HEADER_LENGETH);
982     } else {
983         MEDIA_DEBUG_LOG("Packet type: %{public}d, Packet size: %{public}d",
984             containerType, containerLength);
985         MtpPacketTool::Dump(outBuffer);
986     }
987 }
988 
Dump(const std::vector<uint8_t> & data,uint32_t offset,uint32_t sum)989 void MtpPacketTool::Dump(const std::vector<uint8_t> &data, uint32_t offset, uint32_t sum)
990 {
991     CHECK_AND_RETURN_LOG(data.size() > 0, "Dump data is empty");
992 
993     std::unique_ptr<char[]> hexBuf = std::make_unique<char[]>(DUMP_HEXBUF_MAX);
994     std::unique_ptr<char[]> txtBuf = std::make_unique<char[]>(DUMP_TXTBUF_MAX);
995     if (!DumpClear(offset, hexBuf, DUMP_HEXBUF_MAX, txtBuf, DUMP_TXTBUF_MAX)) {
996         return;
997     }
998     const size_t datasize = data.size();
999     for (size_t loc = 0, cur = offset; ((loc < sum) && (cur < datasize)); loc++, cur++) {
1000         if (!DumpChar(data[cur], hexBuf, DUMP_HEXBUF_MAX, txtBuf, DUMP_TXTBUF_MAX)) {
1001             return;
1002         }
1003         size_t idx = (loc & BUF_0F);
1004         if (strcat_s(hexBuf.get(), DUMP_HEXBUF_MAX, ((idx != BUF_07) ? " " : "-")) != EOK) {
1005             return;
1006         }
1007         if (idx != BUF_0F) {
1008             continue;
1009         }
1010         DumpShow(hexBuf, DUMP_HEXBUF_MAX, txtBuf, DUMP_TXTBUF_MAX);
1011         if (!DumpClear(loc + 1, hexBuf, DUMP_HEXBUF_MAX, txtBuf, DUMP_TXTBUF_MAX)) {
1012             return;
1013         }
1014     }
1015     DumpShow(hexBuf, DUMP_HEXBUF_MAX, txtBuf, DUMP_TXTBUF_MAX);
1016 }
1017 
DumpClear(size_t loc,std::unique_ptr<char[]> & hexBuf,int hexBufSize,std::unique_ptr<char[]> & txtBuf,int txtBufSize)1018 bool MtpPacketTool::DumpClear(size_t loc, std::unique_ptr<char[]> &hexBuf, int hexBufSize,
1019     std::unique_ptr<char[]> &txtBuf, int txtBufSize)
1020 {
1021     if ((hexBuf == nullptr) || (txtBuf == nullptr)) {
1022         return false;
1023     }
1024 
1025     if (sprintf_s(hexBuf.get(), hexBufSize, "%08X : ", static_cast<uint32_t>(loc)) == -1) {
1026         return false;
1027     }
1028     if (sprintf_s(txtBuf.get(), txtBufSize, "%s", "") == -1) {
1029         return false;
1030     }
1031     return true;
1032 }
1033 
DumpChar(uint8_t u8,std::unique_ptr<char[]> & hexBuf,int hexBufSize,std::unique_ptr<char[]> & txtBuf,int txtBufSize)1034 bool MtpPacketTool::DumpChar(uint8_t u8, std::unique_ptr<char[]> &hexBuf, int hexBufSize,
1035     std::unique_ptr<char[]> &txtBuf, int txtBufSize)
1036 {
1037     if ((hexBuf == nullptr) || (txtBuf == nullptr)) {
1038         return false;
1039     }
1040 
1041     char hexTmp[BIT_4] = {0};
1042     if (sprintf_s(hexTmp, sizeof(hexTmp), "%02X", u8) == -1) {
1043         return false;
1044     }
1045 
1046     int intData = static_cast<int>(u8);
1047     char txtTmp[BIT_4] = {0};
1048     if (isprint(intData)) {
1049         if (sprintf_s(txtTmp, sizeof(txtTmp), "%d", intData) == -1) {
1050             return false;
1051         }
1052     } else {
1053         if (sprintf_s(txtTmp, sizeof(txtTmp), "%c", '.') == -1) {
1054             return false;
1055         }
1056     }
1057 
1058     if (strcat_s(hexBuf.get(), hexBufSize, hexTmp) != EOK) {
1059         return false;
1060     }
1061     if (strcat_s(txtBuf.get(), txtBufSize, txtTmp) != EOK) {
1062         return false;
1063     }
1064     return true;
1065 }
1066 
DumpShow(const std::unique_ptr<char[]> & hexBuf,int hexBufSize,const std::unique_ptr<char[]> & txtBuf,int txtBufSize)1067 void MtpPacketTool::DumpShow(const std::unique_ptr<char[]> &hexBuf, int hexBufSize,
1068     const std::unique_ptr<char[]> &txtBuf, int txtBufSize)
1069 {
1070     if ((hexBuf == nullptr) || (txtBuf == nullptr)) {
1071         return;
1072     }
1073     if ((hexBuf[OFFSET_0] == '\0') || (txtBuf[OFFSET_0] == '\0')) {
1074         return;
1075     }
1076 
1077     MEDIA_DEBUG_LOG("%-60s %s", hexBuf.get(), txtBuf.get());
1078 }
1079 } // namespace Media
1080 } // namespace OHOS