CN108833562A - A kind of transmission and management system based on http traffic - Google Patents

A kind of transmission and management system based on http traffic Download PDF

Info

Publication number
CN108833562A
CN108833562A CN201810665715.7A CN201810665715A CN108833562A CN 108833562 A CN108833562 A CN 108833562A CN 201810665715 A CN201810665715 A CN 201810665715A CN 108833562 A CN108833562 A CN 108833562A
Authority
CN
China
Prior art keywords
transmission
data
module
task
definition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810665715.7A
Other languages
Chinese (zh)
Inventor
周春桂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Sen Ya Business Service Co Ltd
Original Assignee
Nantong Sen Ya Business Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Sen Ya Business Service Co Ltd filed Critical Nantong Sen Ya Business Service Co Ltd
Priority to CN201810665715.7A priority Critical patent/CN108833562A/en
Publication of CN108833562A publication Critical patent/CN108833562A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Abstract

The present invention provides a kind of transmission and management systems based on http traffic, reduce the development amount of each service sub-system, facilitate management and monitoring of the system managers at different levels to business data transmission.It is characterized in that:It includes that data transmit module, data transmission module, data processing module, monitoring data transmission module, the data transmit module, data transmission module, data processing module and are separately connected the monitoring data transmission module, module, data transmission module, the data processing module of transmitting is sequentially connected with, the data transmit module and are provided with transformation task defining interface, wire data type defining interface, and the data transmission module is provided with transmission channel defining interface, transformation task configuration definition interface.

Description

A kind of transmission and management system based on http traffic
Technical field
The present invention relates to the technical field of the data transfer management of Ministry of Public Security's traffic management information, specially one kind is based on The transmission and management system of http traffic.
Background technique
Whole nation public security at present is with the construction of public safety traffic management integrated application platform, and traffic control information system is to data money Source, hardware and software platform, operation flow, software function, information service, operation maintenance management etc. are integrated, simultaneously because traffic Management information system databases and system software are still distributed using existing portion, province and district city three-level structure.But not with application Disconnected to go deep into, traffic control information (including motor vehicle, driver, illegal, accident etc.) main service data need to be transmitted and be passed on, all Transmission is responsible for by each service sub-system, development amount is big, and also inconvenient system manager carries out pipe to the transmission of business datum Reason and maintenance.
Summary of the invention
In view of the above-mentioned problems, reducing each industry the present invention provides a kind of transmission and management system based on http traffic The development amount of business subsystem, facilitates management and monitoring of the system managers at different levels to business data transmission.
A kind of transmission and management system based on http traffic, it is characterised in that:It includes that data transmit module, number According to transmission module, data processing module, monitoring data transmission module, the data transmit module, data transmission module, number It is separately connected the monitoring data transmission module according to processing module, it is described to transmit module, data transmission module, data processing Module is sequentially connected with, and the data transmit module and are provided with transformation task defining interface, wire data type defining interface, The data transmission module is provided with transmission channel defining interface, transformation task configuration definition interface, after interface defines respectively, institute State data transmit module be successively packaged encapsulation of data transmission general object, compression encrypted object, send compression encrypted object To the data transmission module, the data transmission module is according to the transmission channel defined, the transmission operation service set Device is sequentially completed and sends data transmission http request, responder is decompressed and decrypted by transmission general object, request end authentication Verifying transmission end application server IP address obtains connection object and parses object acquisition transmission physical record, at the data Reason module receives the acquisition connection object and calls storing process after parsing object acquisition transmission physical record and will execute As a result it writes in connection object, finally returns to connection object and indicated to transmitting terminal and be transmitted, number described in entire transmission process Module, data transmission module, the data processing module of transmitting is monitored according to transmitting, monitoring module:Record transformation task, Data log information simultaneously generates the transformation task monitoring page.
It is further characterized by:
The transformation task is defined according to different class datas and same class data difference channel type Data transmission can define multiple transformation tasks, by transmitting, classification can be divided into upload and downloading two is big for transformation task definition Class, the task ID that transformation task defines must keep uniqueness, and each transformation task individually defines a task ID;
How the wire data type extracts the data that need to be transmitted when defining for describing and executing transformation task, how after The business datum of continuous processing transmission, mainly includes data type, task ID, native object title, major key set, major key set of types Conjunction, remote object title, transmission conditions, table column name set;
The transmission channel define mainly setting transmission receiving end address information, transmission channel according to channel type into Row class definition, it is different according to the destination of traffic administration business data transmission, different channel types can be set, it is same logical The transmission channel of road type also allows that multiple transmission channels are arranged, it is main its correspond to receiving terminal have more application servers when, The different transmission channel of same channel type can be used carry out data transmission for the application server pressure at balance reception end;
The transformation task configuration definition according to the transformation task information of the Application Server information and definition being locally registered, The specific transformation task of every application server and transmission channel are configured, allows concurrent multiple and different types in data transmission Transformation task allows the same data transfer task in different application servers using different transmission channels.Application service Different transformation tasks is loaded when device loading tasks according to transmission configuration, automatically according to the address application server ip dispensation machines name Claim, machine name allocation rule 01-99.
The monitoring data transmission module is according to the transformation task of definition, wire data type, transmission channel, transmission configuration The case where information unification output transformation task specifically executes summary information is held including the final time that specific tasks execute Capable state, the success or not of specific data transmission, the efficiency of transmission of transmission channel, facilitate system manager timely find with Solve the transmission process problem.
It is further characterized in that:
Upload in the transformation task, which is packaged mode according to data, can be divided into two kinds:One is have queue transmission definition i.e. There is fixed transmission queue table, another kind is no queue transmission definition i.e. without fixed transmission queue table;
Downloading in the transformation task, which is packaged mode according to data, can be divided into two kinds:One is have determining for downloading middle table Justice is single-point downloading, and traffic control systems at different levels are only downloaded the data information for belonging to the same level according to downloading condition, deleted automatically after having downloaded Except downloading middle table information;Another kind is that the definition i.e. multiple spot without downloading middle table is downloaded, when data are mainly according to updating Between or update date be downloaded, such data downloading is mainly used for the downloading of some basic information configuration informations.
After this transfer management frame, on the basis of the transmission of http traffic, transformation task and data class are determined The describing mode of each element of type establishes the dedicated description language of customized data transmission channel and transmission mechanism, realizes to not Business datum with business and data type is uploaded and is downloaded, and is realized to all transformation tasks, transmission channel and all kinds of industry The transmission for specific data of being engaged in is monitored, and reduces the development amount of each service sub-system, facilitates system managers at different levels to industry The management and monitoring of data of being engaged in transmission.
Detailed description of the invention
Fig. 1 is core of the invention algorithm logic figure.
Specific embodiment
See Fig. 1 comprising data transmit module, data transmission module, data processing module, monitoring data transmission mould Block, data transmit module, data transmission module, data processing module and are separately connected monitoring data transmission module, are packaged hair Send module, data transmission module, data processing module to be sequentially connected with, data transmit module be provided with transformation task definition connect Mouth, wire data type defining interface, data transmission module is provided with transmission channel defining interface, transformation task configuration definition connects Mouthful, after interface defines respectively, data transmit module and are successively packaged encapsulation of data transmission general object, compression encrypted object, Compression encrypted object is sent to data transmission module, data transmission module is according to the transmission channel defined, the transmission set Runtime server is sequentially completed and sends data transmission http request, responder is decompressed and decrypted by transmission general object, request end Authentication verifying sends end application server IP address, obtains connection object and parses object acquisition transmission physical record, number It is received according to processing module and obtains connection object and call storing process after parsing object acquisition transmission physical record and will hold Row result is write in connection object, finally returns to connection object and indicates to transmitting terminal and is transmitted, data in entire transmission process Transmitting, monitoring module is monitored to sending module, data transmission module, data processing module is packaged:Record transformation task, data day Will information simultaneously generates the transformation task monitoring page.
Transformation task defines the number according to different class datas and same class data difference channel type Multiple transformation tasks can be defined according to transmission, transformation task definition can be divided into upload and downloading two major classes by transmitting classification, pass The task ID of defeated task definition must keep uniqueness, and each transformation task individually defines a task ID.
Upload in transformation task, which is packaged mode according to data, can be divided into two kinds:It is solid one is there is queue transmission definition to have Fixed transmission queue table, another kind are no queue transmission definition i.e. without fixed transmission queue table, and the difference of both is that have team The defeated definition of biographies needs the data that will be uploaded write-in to upload queue table, need to be believed the major key of record by defining wire data type Breath and data type will delete queue table and record information after uploading successfully;No queue transmission definition is not necessarily to write biography queue table, but It need to indicate transmission label or transmission conditions.
Downloading in transformation task, which is packaged mode according to data, can be divided into two kinds:One is the definition for having downloading middle table i.e. Single-point downloading, traffic control systems at different levels are only downloaded the data information for belonging to the same level according to downloading condition, are automatically deleted down after having downloaded Carry middle table information;Another kind is that the definition i.e. multiple spot without downloading middle table is downloaded, data mainly according to renewal time or Update date is downloaded, and such data downloading is mainly used for the downloading of some basic information configuration informations.
How wire data type extracts the data that need to be transmitted when defining for describing and executing transformation task, how subsequent place Manage transmission business datum, mainly include data type, task ID, native object title, major key set, major key type set, Remote object title, transmission conditions, table column name set:
Data type (SJLX) is the major key field for defining wire data type and defining, the data for unique identification transmission Type passes queue table and then must be written into the field information for upload transfers task if you need to write;
Task ID refers to which transformation task wire data type belongs to, corresponding with transformation task definition, and same transmission is appointed Business ID may include multiple wire data types;
Native object title refers to the table name of local data to be packaged when transformation task classification is to upload;When transmission is appointed Business classification is the storing process name referred to when downloading for handling downloading data, if downloading is without downloading middle model, the field Refer to the table name for storing downloading data;
Major key set refers to the major key of native object table when transformation task classification is to upload;When transformation task classification is Refer to the major key of remote object table when downloading;
Major key type set is the type for defining each field of major key Set field, wherein " character types " use " V " It indicates, " value type " use " N " indicates, " date type " use " D " indicates.Major key type set defines when major key is multiple fields Format such as " V#D ", wherein with " # " number separation;
Remote object title refers to the storing process name for handling upload data when transformation task classification is to upload, It is no queue table schema as uploaded, which refers to the table name stored for long-range receiving end and upload data;When transformation task classification To refer to the long-range table name for being packaged downloading data when downloading;
Transmission conditions, when transformation task classification is to upload, if any queue upload, then no setting is required for the field, when no queue Then the field is set as needing the querying condition of the packaged data from native object title when upload, such as " csbj=0 ";Work as transmission Downloading condition field is then arranged in mode when task category is downloading if any downloading middle table, is being packaged downloading number if " FZJG " According to when sql condition be the local licence issuing authority code of where fzjg=' ', as downloading without the mode of middle table if support at present Data downloading is carried out according to renewal time and update date, specific setting such as " gxsj>=to_date (' 2010-06-08 20:13:20','YYYY-MM-DD HH24:MI:SS')";
Table column name set is to be served only for data to upload or download the specific literary name section to be extracted from specific table when being packaged.Such as All fields of the table, which will be packaged, then to be indicated with " * " number, is wherein separated between different field with ", " number.
Transmission channel defines the address information of mainly setting transmission receiving end, and transmission channel is divided according to channel type Class definition, it is different according to the destination of traffic administration business data transmission, different channel types, same channel class can be set The transmission channel of type also allows that multiple transmission channels are arranged, it is main its correspond to receiving terminal have more application servers when, be flat The application server pressure of weighing apparatus receiving end can be used the different transmission channel of same channel type and carry out data transmission.
Transformation task information of the transformation task configuration definition according to the Application Server information and definition being locally registered, configuration The specific transformation task of every application server and transmission channel allow the transmission of concurrent multiple and different types in data transmission Task allows the same data transfer task in different application servers using different transmission channels.Application server adds Different transformation tasks is loaded when load task according to transmission configuration, automatically according to the address application server ip dispensation machines title, Machine name allocation rule 01-99.
The data transmission of data transmission module specifically includes upload and downloading, according to specific tasks ID when upload, from transmission All data types under the task are obtained in task particular content table, show first to be packaged the note for uploading that state is 1 in queue table Record.Group by is carried out according to the PH of transmission queue table when searching data, guarantees that the data of same lot number are complete in packing once At, it is packaged record strip number and is determined according to the packing of transformation task record number (DBJLS), the transmission log table number that then will be packaged It is updated to the machine title according to Machine Name field (JQMC), two step operation carries out commit operation after having updated immediately, guarantees Concurrent transmission.
The data of related service table are read according to the wire data type of definition, while the data of same lot number being packaged into One DataItem, every kind of data type are packaged into SjlxItem, it are compressed and is encrypted after the completion of data encapsulation;
Receiving end returns to request end after handling data, by data packet, and request end parses after receiving data packet DateItem object successfully directly deletes transmission queue table according to PH for upload, and data day is transmitted in the write-in for such as uploading failure Will detail, and the record zt field transmitted in queue table is updated to 0, each data type count and tie up quantity Shield carries out in transmission statistic table.
All records, which upload, successfully exits transformation task, and state is uploaded to the note for being 0 by the state of machine name in queue table State is corrected as 2 by record.Task daily record is written, executes task each time and only writes a log recording.
When downloading, according to specific tasks ID, all data class under the task are obtained from transformation task particular content table Type, every kind of data type carry out circulation downloading, and when each downloading data only downloads same type of data, first will be in data Hold Information encapsulation in object, and will downloading condition (work library is about set to licence issuing authority, is province head when army unit library is downloaded) one And be packaged, the Select sentence receiving terminal that transmitting terminal directly generates execution directly executes select sentence after receiving, It is then packaged as DataItem object.It is 1 that connection object parameter xzzt is first arranged when the first downloading simultaneously, and xzzt is first downloaded in guarantee For 1 data;
Identity legitimacy is verified after the downloading data request for receiving request in receiving end, while decompressing logical with decrypted transport With object, according to the content of object, encapsulation of data, packaging method upload together the format of queue table data from each downloading queue table Unanimously;
Request end is received by calling storing process to write data into database after downloading data, and implementing result is believed In breath write-in object.And execution result information is sent to receiving terminal, receiving terminal completes downloading queue table number after receiving data According to operation;
The xzzt record for being 0 is set to 2 after the completion of all records are all downloaded, for the downloading last time error of next downloading task Record, guarantee data completely download success.
The receive process of its specific receiving end and transmitting terminal are as follows:
Receiving end receives the request of transmitting terminal by specified servlet, and receiving end is right after receiving transmitting terminal request Data are decrypted, and by ergodic data object, write data into database, and return to operating result, the specific method is as follows:
The address ip of request end is judged, whether there is the IP of the application server when judgement according to white list information Unauthorized access log information is written for not meeting white list in address;
Connection object TmriTransObj is unziped it and decrypted, the transmission classification and transmission mould of connection object are read Formula, determination are to upload data with storing process format or sql Sentence format, and the data manipulation mode of two kinds of formats is different;
For using storing process format transmission, guarantee the data of same PH in the same database when parsing object It is operated in affairs, storing process is called directly after parsing.For mistake according to Format Object write error information, and return Back to transmitting terminal;
For using sql Sentence format to transmit, sql sentence is directly executed after parsing object, for also writing for mistake Enter error message, and returns to transmitting terminal;
The data write-in statistical result being subject to processing is docked into receiving terminal statistical result table.
Monitoring data transmission module is according to the transformation task of definition, wire data type, transmission channel, transmission of configuration information The case where unified output transformation task specifically executes summary information, including the final time that specific tasks execute, execution State, the success or not of specific data transmission, the efficiency of transmission of transmission channel facilitate system manager timely to find and solve The transmission process problem.

Claims (8)

1. a kind of transmission and management system based on http traffic, it is characterised in that:It includes that data transmit module, data Transmission module, data processing module, monitoring data transmission module, the data transmit module, data transmission module, data Processing module is separately connected the monitoring data transmission module, described to transmit module, data transmission module, data processing mould Block is sequentially connected with, and the data transmit module and are provided with transformation task defining interface, wire data type defining interface, institute It states data transmission module and is provided with transmission channel defining interface, transformation task configuration definition interface, it is described after interface defines respectively Data transmit module and are successively packaged encapsulation of data transmission general object, compression encrypted object, send compression encrypted object extremely The data transmission module, the data transmission module is according to the transmission channel defined, the transmission runtime server set It is sequentially completed and sends data transmission http request, responder is decompressed and decrypted by transmission general object, request end authentication is tested Card sends end application server IP address, obtains connection object and parses object acquisition transmission physical record, the data processing Module receives the acquisition connection object and calls storing process after parsing object acquisition transmission physical record and will execute knot Fruit is write in connection object, finally returns to connection object and indicates to transmitting terminal and is transmitted, data described in entire transmission process Transmitting, monitoring module monitors module, data transmission module, the data processing module of transmitting:Record transformation task, number According to log information and generate the transformation task monitoring page.
2. a kind of transmission and management system based on http traffic according to claim 1, it is characterised in that:The transmission Task definition defines more according to the data transmission of different class datas and same class data difference channel type A transformation task, transformation task definition can be divided into upload and downloading two major classes, the task that transformation task defines by transmitting classification ID must keep uniqueness, and each transformation task individually defines a task ID.
3. a kind of transmission and management system based on http traffic according to claim 1, it is characterised in that:The transmission How to extract the data that need to be transmitted when dtd--data type definition is for describe and executing transformation task, how the business that subsequent processing is transmitted Data, mainly include data type, task ID, native object title, major key set, major key type set, remote object title, Transmission conditions, table column name set.
4. a kind of transmission and management system based on http traffic according to claim 1, it is characterised in that:The transmission Channel defines the address information of mainly setting transmission receiving end, and transmission channel carries out class definition according to channel type, according to The destination of traffic administration business data transmission is different, sets different channel types, the transmission channel of same channel type Allow to be arranged multiple transmission channels, it is main its correspond to receiving terminal have more application servers when, be the application at balance reception end Server stress is carried out data transmission using the different transmission channel of same channel type.
5. a kind of transmission and management system based on http traffic according to claim 1, it is characterised in that:The transmission Task configuration definition configures every application service according to the transformation task information for the Application Server information and definition being locally registered The transformation task and transmission channel of implement body allow the transformation task of concurrent multiple and different types in data transmission, allow same One data transfer task uses different transmission channels in different application servers, when application server loading tasks according to Transmission configuration loads different transformation tasks, automatically according to the address application server ip dispensation machines title, machine name distribution Regular 01-99.
6. a kind of transmission and management system based on http traffic according to claim 1, it is characterised in that:The data Transmitting, monitoring module is according to the transformation task of definition, wire data type, transmission channel, the unified output transmission of transmission of configuration information The case where task specifically executes summary information, including the final time that specific tasks execute, the state of execution, specific data The success or not of transmission, the efficiency of transmission of transmission channel facilitate system manager timely to find and solve transmission process appearance The problem of.
7. a kind of transmission and management system based on http traffic according to claim 2, it is characterised in that:The transmission Upload in task, which is packaged mode according to data, can be divided into two kinds:One is have queue transmission definition to have fixed transmission queue Table, another kind are no queue transmission definition i.e. without fixed transmission queue table.
8. a kind of transmission and management system based on http traffic according to claim 2, it is characterised in that:The transmission Downloading in task, which is packaged mode according to data, can be divided into two kinds:One is there is the definition i.e. single-point of downloading middle table to download, respectively Grade traffic control system only downloads the data information for belonging to the same level according to downloading condition, and downloading middle table letter is automatically deleted after having downloaded Breath;Another kind be without downloading middle table definition i.e. multiple spot download, data mainly according to renewal time or update date come It is downloaded, such data downloading is mainly used for the downloading of some basic information configuration informations.
CN201810665715.7A 2018-06-26 2018-06-26 A kind of transmission and management system based on http traffic Withdrawn CN108833562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810665715.7A CN108833562A (en) 2018-06-26 2018-06-26 A kind of transmission and management system based on http traffic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810665715.7A CN108833562A (en) 2018-06-26 2018-06-26 A kind of transmission and management system based on http traffic

Publications (1)

Publication Number Publication Date
CN108833562A true CN108833562A (en) 2018-11-16

Family

ID=64138627

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810665715.7A Withdrawn CN108833562A (en) 2018-06-26 2018-06-26 A kind of transmission and management system based on http traffic

Country Status (1)

Country Link
CN (1) CN108833562A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935250A (en) * 2020-07-24 2020-11-13 上海轩邑新能源发展有限公司 Automatic driving data classification transmission method and system
CN113312394A (en) * 2021-06-15 2021-08-27 中国科学技术大学 Method and device for constructing data acquisition system
CN115297191A (en) * 2022-09-30 2022-11-04 成都云智北斗科技有限公司 Multi-data-stream server

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935250A (en) * 2020-07-24 2020-11-13 上海轩邑新能源发展有限公司 Automatic driving data classification transmission method and system
CN111935250B (en) * 2020-07-24 2022-11-01 上海轩邑新能源发展有限公司 Automatic driving data classification transmission method and system
CN113312394A (en) * 2021-06-15 2021-08-27 中国科学技术大学 Method and device for constructing data acquisition system
CN113312394B (en) * 2021-06-15 2022-09-06 中国科学技术大学 Method and device for constructing data acquisition system
CN115297191A (en) * 2022-09-30 2022-11-04 成都云智北斗科技有限公司 Multi-data-stream server
CN115297191B (en) * 2022-09-30 2022-12-16 成都云智北斗科技有限公司 Multi-data-stream server

Similar Documents

Publication Publication Date Title
CN102420872B (en) Hyper text transfer protocol (HTTP)-data-stream-based transmission management framework
US9864868B2 (en) Method and apparatus for process enforced configuration management
CN108833562A (en) A kind of transmission and management system based on http traffic
CN106874461A (en) A kind of workflow engine supports multi-data source configuration security access system and method
CN101932997A (en) Method and apparatus for loadable software airplane parts (lsap) distribution
CN104574537B (en) Hand-held issuing equipment, the online publishing system of board units and method
CN107194794B (en) Enterprise tax declaration management system and method
CN110569298A (en) data docking and visualization method and system
US11722583B2 (en) System and method for asset management and integration
US8332473B1 (en) System and method for managing multiple message format communication
CN117044184A (en) Vehicle data extraction service
GB2363226A (en) Device for linking information processing systems
CN113259411B (en) Article tracking method based on RFID and mixed block chain-edge architecture
CN111045928B (en) Interface data testing method, device, terminal and storage medium
CN110532313A (en) DEU data exchange unit
CN109740328A (en) A kind of right authentication method, device, computer equipment and storage medium
US11748496B1 (en) Data jurisdiction management
CN109039427A (en) A kind of ship monitor managing device
CN108053076A (en) Logistics is with optimizing and combining system
CN110502478B (en) Data interaction method and system between offline systems
CN113220727A (en) Cloud platform based electric power internet of things data visualization display system and display method thereof
CN112995188A (en) Message conversion method, intermediate adaptation device, storage medium and electronic equipment
CN117472617B (en) Message processing method and device, electronic equipment and readable storage medium
CN112463265B (en) Agricultural product Internet of things information uplink method based on alliance chain
US11663216B2 (en) Delta database data provisioning

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20181116

WW01 Invention patent application withdrawn after publication