CN110233894A - Link management method, device and the electronic equipment of TCP Client - Google Patents
Link management method, device and the electronic equipment of TCP Client Download PDFInfo
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- CN110233894A CN110233894A CN201910509933.6A CN201910509933A CN110233894A CN 110233894 A CN110233894 A CN 110233894A CN 201910509933 A CN201910509933 A CN 201910509933A CN 110233894 A CN110233894 A CN 110233894A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Computer And Data Communications (AREA)
Abstract
The present invention provides a kind of link management method of TCP Client, device and electronic equipments, are related to computer network communication technology field；This method comprises: obtaining the current link state of the state machine of TCP Client when the application program for getting TCP Client is when establishing the link demand；The driving event established the link is sent to state machine, so that the linking status of state machine is converted to the state of establishing the link according to current link state.Module by establishing a management TCP link is supplied to application program, applies so that application program need to only manage itself, simplifies the management of application program.
Description
Technical field
The present invention relates to computer network communication technology fields, more particularly, to a kind of url management side of TCP Client
Method, device and electronic equipment.
Background technique
TCP (Transmission Control Protocol, transmission control protocol) is a weight of transmitted data on network
Want agreement.That is two communication ends, a communication ends provide the monitoring service of TCP, another communication ends initiates TCP link.Two
Communication ends are established after TCP link, and application program can use this TCP link and carry out long-term communication.
But TCP is only responsible for the process that TCP links itself, that is, includes foundation, communication and termination that TCP links itself.Though
The service of TCP offer can be used in right application program, but the process and termination of TCP link are linked, established for initiating TCP
The events such as TCP link, need application program to be handled according to their own situation.
Based on the above situation, application program, which not only needs to manage, itself applies, but also needs to manage TCP link, causes using journey
The management of sequence is more chaotic, cannot only be absorbed in using itself.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of link management method of TCP Client, device and electronics to set
It is standby, to simplify the management of application program.
In a first aspect, the embodiment of the invention provides a kind of link management methods of TCP Client, this method comprises: working as
When establishing the link demand of the application program of TCP Client is got, the current link shape of the state machine of TCP Client is obtained
State；The driving event established the link is sent to state machine, so that the linking status of state machine is converted to according to current link state
Establish the link state.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein on
State method further include: when the termination linking request for the application program for getting TCP Client, send the driving thing for terminating link
Part is to state machine, so that the linking status of state machine is converted to termination linking status.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein on
It states and the driving event that establishes the link is sent to state machine according to current link state, comprising: when above-mentioned current link state is not
When having linking status, the driving event that establishes the link is sent to state machine.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein on
It states and the driving event that establishes the link is sent to state machine according to current link state, further includes: when above-mentioned current link state is
Just in linking status, after waiting preset time, the linking status of the state machine of TCP Client is obtained again, works as linking status
When not have linking status, the driving event that establishes the link is sent to state machine.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein on
State method further include: when above-mentioned current link state is to establish the link state, send read write command to application program, so as to answer
The operation of data is written and read by the link of TCP Client with program.
Second aspect, the embodiment of the invention provides a kind of url management device of TCP Client, which includes: to obtain
Modulus block, for obtaining the state machine of TCP Client when the application program for getting TCP Client is when establishing the link demand
Current link state；First sending module, for sending the driving event established the link to state according to current link state
Machine, so that the linking status of state machine is converted to the state of establishing the link.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein on
State device further include: the second sending module, for sending out when the termination linking request for the application program for getting TCP Client
The driving event only linked make arrangements for his funeral to state machine, so that the linking status of state machine is converted to termination linking status.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein on
It states the first sending module to be specifically used for: when above-mentioned current link state, which is, does not have linking status, sending the driving established the link
Event is to state machine.
The third aspect is deposited in memory the embodiment of the invention provides a kind of electronic equipment, including memory, processor
The computer program that can be run on a processor is contained, which realizes institute in above-mentioned first aspect when executing computer program
The method stated.
Fourth aspect, the embodiment of the invention provides a kind of meters of non-volatile program code that can be performed with processor
Calculation machine readable medium, the program code make processor execute method described in above-mentioned first aspect.
The embodiment of the present invention bring it is following the utility model has the advantages that
The embodiment of the invention provides a kind of link management method of TCP Client, device and electronic equipment, this method packets
It includes: when the application program for getting TCP Client is when establishing the link demand, obtaining the current chain of the state machine of TCP Client
Connect state；The driving event established the link is sent according to current link state to state machine, so that the linking status of state machine turns
It is changed to the state of establishing the link.Module by establishing a management TCP link is supplied to application program, so that application program only needs
Management itself is applied, and the management of application program is simplified.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the disclosure to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the link management method of TCP Client provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of the state transfer of state machine provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the link management method of another TCP Client provided in an embodiment of the present invention；
Fig. 4 is the flow chart of the link management method of another TCP Client provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the url management device of another TCP Client provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, there is no one than more complete and clear using the application program of TCP Client when managing TCP link
Management framework, cause application program management more chaotic.Based on this, a kind of TCP Client provided in an embodiment of the present invention
Link management method, device and electronic equipment are applied to can simplify application during application program management TCP link
The management of program.
For the chain convenient for understanding the present embodiment, first to a kind of TCP Client disclosed in the embodiment of the present invention
Management method is connect to describe in detail.
Embodiment one
The embodiment of the invention provides a kind of link management methods of TCP Client, as shown in Figure 1, this method comprises:
Step S102 obtains TCP Client when the application program for getting TCP Client is when establishing the link demand
The current link state of state machine；
The present invention is applied to be supplied to application program to manage the module of the link of TCP Client, hereinafter referred to as manages
Module.It is understood that link includes obstruction link and the link of non-obstruction；Specifically, it by taking socket as an example, is linked in obstruction
Under, after application program has initiated a foundation obstruction linking request, if TCP Client establishes the link not yet, apply journey
Sequence will block waiting until TCP Client establishes the link；And under the link of non-obstruction, it is built if application program has initiated one
It after founding non-obstruction linking request, is just no longer waiting for, application program can be absorbed in itself and apply.And then under the link of non-obstruction, need
A management module is wanted to inform whether application program establishes non-obstruction link, so the present invention is applied to non-obstruction and links mould
Under formula.
The invention is not limited to clients to be communicated using Transmission Control Protocol, the present invention only with Transmission Control Protocol as an example
Explanation.As shown in Fig. 2, Fig. 2 is a kind of schematic diagram of the state transfer of state machine provided in an embodiment of the present invention, wherein TCP visitor
The linking status of the state machine at family end does not have linking status, establishing the link state and establishes the link state.We are known, right
It is a directed graph that the exact description of the extreme of state machine, which is it, is made of a group node and one group of corresponding transfer function.
State machine is by responding sequence of events " RUN ", control model of each event in the transfer function for belonging to " current " node
In enclosing, wherein the range of function is a subset of node.Function returns to " next " node, must at least have in these nodes
One is final state, and when reaching final state, state machine stops.
When application program needs to use the link of TCP Client, the request that one establishes the link can be sent and give management mould
Block, at this moment management module goes to obtain the current link state of the state machine of TCP Client, the current link state packet of the state machine
No linking status is included, state is being established the link and establishes the link state, management module is done next according to current link state
Step processing.
Step S104 sends the driving event that establishes the link to state machine according to current link state, so that state machine
Linking status is converted to the state of establishing the link.
As shown in figure 3, the step includes the following contents:
Step S302, if current link state is to send the driving event that establishes the link to shape when not having linking status
State machine.
If the current link state that management module gets state machine is when not having linking status, management module transmission is built
The driving event of vertical link is to state machine, and state machine starts to initiate non-obstruction link after receiving the driving event, so that shape
The linking status of state machine is converted to the state of establishing the link, if link is successfully established, the linking status of state machine is converted to
Establish the link state.But when the linking status of state machine is to establish the link state, there is link error, the mistake
No linking status will be converted to including link time-out or TCP link error, the linking status of state machine；Alternatively, working as state
The linking status of machine is link error occur when establishing the link state, and the linking status of state machine will be converted to no chain
Connect state.
Step S304, if current link state is when establishing the link state, after waiting preset time, to obtain again
The linking status of the state machine of TCP Client sends the driving event established the link when linking status, which is, does not have linking status
To state machine.
It, may at this moment state machine when the current link state that management module obtains state machine is to establish the link state
The conversion of the state of progress, after waiting preset time, depending on the specific time is by concrete condition, management module obtains state machine again
Linking status be when establishing the link state, not send any driving event.
Alternatively, after waiting preset time, the linking status that management module obtains state machine again is when not having linking status,
At this moment may be state machine has there is mistake establishing the link, which includes link time-out and TCP link error, then managing
Module sends the driving event established the link to state machine, so that state machine carries out state conversion.
In the embodiment of the present invention, the above method includes: to establish the link demand when the application program for getting TCP Client
When, obtain the current link state of the state machine of TCP Client；The driving event established the link is sent according to current link state
To state machine, so that state machine is converted to the state of establishing the link.Module by establishing a management TCP link is supplied to application
Program is applied so that application program need to only manage itself, simplifies the management of application program.
Embodiment two
The embodiment of the invention also provides the link management methods of another TCP Client, as shown in figure 4, the present embodiment
It realizes on the basis of example 1, method includes the following steps:
Step S402 obtains TCP Client when the application program for getting TCP Client is when establishing the link demand
The current link state of state machine.
Step S404 sends the driving event that establishes the link to state machine according to current link state, so that state machine
Linking status is converted to the state of establishing the link.
Step S406, if current link state is transmission read write command to application program when establishing the link state, so that
Application program is written and read the operation of data by the link of TCP Client.
Further, when TCP Client, which establishes TCP with another communication ends, to be linked, which can be server
End, can carry out mutually the operation of reading and writing data.The current link state of the state machine of TCP Client is to establish the link shape at this time
State, management module send a read write command to the application program for needing to carry out data read-write operation, and such application program can
With the operation for linking progress reading and writing data established by TCP Client with another communication ends.
Step S408 sends the drive for terminating link when the termination linking request for the application program for getting TCP Client
The event of moving is to state machine, so that the linking status of state machine is converted to termination linking status.
After the completion of some application program reads and writes data manipulation, management module can get the termination link of the application program
Request, the driving event that the termination of management module transmission at this time links to state machine；State machine receives the driving thing for terminating link
After part, the linking status of state machine is converted into termination linking status, the linking status i.e. above-mentioned described without linking
State.
In the embodiment of the present invention, when application program needs TCP to link, the automatic driving event that sends makes TCP Client
State machine be converted to the state of establishing the link；Another driving event can also be sent automatically when application program does not need TCP link
So that the state machine of TCP Client is converted to no linking status.So that application program need to only be paid close attention to using itself, so that work
Management that is more efficient and simplifying application program.
Embodiment three
Corresponding to above method embodiment, the present invention also provides a kind of url management device of TCP Client, such as Fig. 5
Shown, which includes:
Module 50 is obtained, for when the application program for getting TCP Client is when establishing the link demand, acquisition TCP to be objective
The current link state of the state machine at family end；
First sending module 51, for sending the driving event established the link to the state according to current link state
Machine, so that the linking status of state machine is converted to the state of establishing the link.
Above-mentioned apparatus further include: the second sending module 52, for the terminating chain when the application program for getting TCP Client
When connecing request, the driving event for terminating link is sent to state machine, so that the linking status of state machine is converted to termination link shape
State.
Above-mentioned first sending module 51 is specifically used for: if current link state is when not having linking status, to send and establish
The driving event of link is to state machine.
In the embodiment of the present invention, above-mentioned apparatus includes: acquisition module, for when the application program for getting TCP Client
When establishing the link demand, obtain the current link state of the state machine of TCP Client；First sending module is worked as basis
Preceding linking status sends the driving event established the link to state machine, so that the linking status of state machine is converted to and establishes the link shape
State.Module by establishing a management TCP link is supplied to application program, applies so that application program need to only manage itself,
Simplify the management of application program.
The url management device of TCP Client provided in an embodiment of the present invention, with TCP Client provided by the above embodiment
Link management method technical characteristic having the same reach identical technology effect so also can solve identical technical problem
Fruit.
Referring to Fig. 6, the embodiment of the present invention also provides a kind of electronic equipment, comprising: processor 400, memory 401, bus
402 and communication interface 403, processor 400, communication interface 403 and memory 401 are connected by bus 402；Processor 400 is used
In the method for executing the executable module realization embodiment one or embodiment two that store in memory 401, module can be performed for example
Computer program.
Wherein, memory 401 may include high-speed random access memory (RAM, Random Access Memory),
It may further include nonvolatile storage (non-volatile memory), for example, at least a magnetic disk storage.Pass through at least one
A communication interface 403 (can be wired or wireless) realizes the communication link between the system network element and at least one other network element
It connects, internet, wide area network, local network, Metropolitan Area Network (MAN) etc. can be used.
Bus 402 can be isa bus, pci bus or eisa bus etc..It is total that bus can be divided into address bus, data
Line, control bus etc..Only to be indicated with a four-headed arrow in Fig. 6, it is not intended that an only bus or one convenient for indicating
The bus of seed type.
Wherein, memory 401 is for storing program, and processor 400 executes program after receiving and executing instruction, aforementioned
Method performed by the device that the stream process that any embodiment of the embodiment of the present invention discloses defines can be applied to processor 400
In, or realized by processor 400.
Processor 400 may be a kind of IC chip, the processing capacity with signal.It is above-mentioned during realization
Each step of method can be completed by the integrated logic circuit of the hardware in processor 400 or the instruction of software form.On
The processor 400 stated can be general processor, including central processing unit (Central Processing Unit, abbreviation
CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital
Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific Integrated
Circuit, abbreviation ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or
Person other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute sheet
Disclosed each method, step and logic diagram in inventive embodiments.General processor can be microprocessor or the processing
Device is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in
Hardware decoding processor executes completion, or in decoding processor hardware and software module combination execute completion.Software mould
Block can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable storage
In the storage medium of this fields such as device, register maturation.The storage medium is located at memory 401, and processor 400 reads memory
Information in 401, in conjunction with the step of its hardware completion above method.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The calculating of the link management method, device and electronic equipment of TCP Client is carried out provided by the embodiment of the present invention
Machine program product, the computer readable storage medium including storing the executable non-volatile program code of processor are described
The instruction that program code includes can be used for executing previous methods method as described in the examples, and specific implementation can be found in method and implement
Example, details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
It with the specific work process of electronic equipment, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed electronic equipment, device and method,
It may be implemented in other ways.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some communication interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of link management method of TCP Client, which is characterized in that the described method includes:
When the application program for getting the TCP Client is when establishing the link demand, the state machine of the TCP Client is obtained
Current link state；
The driving event established the link is sent to the state machine, so that the chain of the state machine according to the current link state
The state of connecing is converted to the state of establishing the link.
2. the method according to claim 1, wherein the method also includes:
When the termination linking request for the application program for getting the TCP Client, the driving event for terminating and linking is sent extremely
The state machine, so that the linking status of the state machine is converted to termination linking status.
3. the method according to claim 1, wherein described establish the link according to current link state transmission
Driving event to the state machine, comprising:
When the current link state, which is, does not have linking status, the driving event that establishes the link is sent to the state machine.
4. the method according to claim 1, wherein described establish the link according to current link state transmission
Driving event to the state machine, further includes:
When the current link state is to establish the link state, after waiting preset time, the TCP client is obtained again
The linking status of the state machine at end sends the driving event established the link extremely when the linking status, which is, does not have linking status
The state machine.
5. the method according to claim 1, wherein the method also includes:
When the current link state is to establish the link state, read write command is sent to the application program, so that described answer
The operation of data is written and read by the link of the TCP Client with program.
6. a kind of url management device of TCP Client, which is characterized in that described device includes:
Module is obtained, for obtaining the TCP when the application program for getting the TCP Client is when establishing the link demand
The current link state of the state machine of client；
First sending module, for sending the driving event that establishes the link to the state machine according to the current link state,
So that the linking status of the state machine is converted to the state of establishing the link.
7. device according to claim 6, which is characterized in that described device further include:
Second sending module, for sending and terminating when the termination linking request for the application program for getting the TCP Client
The driving event of link is to the state machine, so that the linking status of the state machine is converted to termination linking status.
8. device according to claim 6, which is characterized in that first sending module is specifically used for:
When the current link state, which is, does not have linking status, the driving event that establishes the link is sent to the state machine.
9. a kind of electronic equipment, including memory, processor, be stored in the memory to run on the processor
Computer program, which is characterized in that the processor realizes that the claim 1 to 5 is any when executing the computer program
Method described in.
10. a kind of computer-readable medium for the non-volatile program code that can be performed with processor, which is characterized in that described
Program code makes the processor execute any method of the claim 1-5.
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| CN201910509933.6A CN110233894A (en) | 2019-06-13 | 2019-06-13 | Link management method, device and the electronic equipment of TCP Client |
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Application publication date: 20190913 |