CN106453288B - A kind of distributed micro services frame system that supporting asynchronous mode and its implementation - Google Patents
A kind of distributed micro services frame system that supporting asynchronous mode and its implementation Download PDFInfo
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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
- H04L67/01—Protocols
- H04L67/133—Protocols for remote procedure calls [RPC]
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5683—Storage of data provided by user terminals, i.e. reverse caching
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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
- H04L67/50—Network services
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Abstract
The invention discloses a kind of distributed micro services frame systems for supporting asynchronous mode, including gateway Agent layer, service providing end, service register center and service call end.Gateway Agent layer includes protocol converter and transmitter.In addition, the invention also discloses the implementation methods of the system.The present invention solves the problems, such as following several respects: 1) supporting asynchronous distributed service readjustment, solve the problems, such as occur response processing Single Point of Faliure in readjustment；2) it supports the conversion between different agreement and transport layer, gets through overall process micro services calling；3) the main programming model note mode realizing service publication, calling, improves and realizes efficiency, reduce maintenance complexity；4) pair buffers for calling end and service providing end are realized, service call efficiency is improved；5) uniform service registration center, all issuing services of centralized management are realized.
Description
Technical field
The invention belongs to computer fields, are related to a kind of micro services frame, and in particular to across agreement calling and asynchronous distribution
Formula services call back scheme more particularly to a kind of distributed micro services frame system for supporting asynchronous mode；For this purpose, the present invention also relates to
And the implementation method of the distributed micro services frame system of the support asynchronous mode.
Background technique
With the development of internet, the scale of application constantly expands, and conventional vertical applications framework can not cope with, distribution
Formula service architecture is imperative, and micro services framework is exactly one of practice.Micro services framework is single application dismantling to more carefully
The micro services of granularity, each service is can independently to dispose, independent operating, have complete contract of service, reaches system altitude solution
The purpose of coupling.Existing micro services frame (refering to fig. 1) realizes the key foundations functions such as service publication and calling, but in face of length
The service of time-triggered protocol, high frequency time service call, when the scenes such as cross-platform service call, there is also more problem, main body
Present following several respects:
1) do not support asynchronous distributed service readjustment: synchronization process can cope with common " request-response " mode, but long
The task processing service of time is necessarily required to call back scheme to support, and avoids long-time locked service thread resources, causes to call
The stopping state at end and ISP.Available frame realizes parameter call back scheme, that is, only supports processing locality program
Readjustment, will will appear after container collapse local after service call, ISP's readjustment can not find callback procedure, lose
There is the inconsistent situation of service data in service data.This is primarily due to available frame and only saves this when calling service
The object reference of ground program readjustment, does not account for the case where multinode Distributed Services at all, is unable to satisfy needs in this way
The distribution service demand of high stability.
2) do not support the micro services across agreement to call: the caller of micro services can be related to multi-platform, more communications conduits
Situation such as develops mobile Internet in application, the mobile end APP needs to call micro services, it is contemplated that the delay of mobile network and not
The characteristics such as stable need to transmit data using WEB SOCKET, and backstage micro services supplier is transmitted based on queue server
Data.This just needs the conversion of the agency between frame energy supported protocol and transmitter and message conversion, and available frame requires institute
There are calling and ISP using unified agreement and transmitter, is unable to satisfy Internet application cross-platform cross protocol mode
Exploitation.
3) lack the caching process mechanism to service: the realization of available frame caching mechanism is simpler, only considered and calls end
Local cache processing, consume larger when facing high frequency time service call, reduce the efficiency of service processing.
4) lack the unified management of service: existing frame lacks service management, only safeguards at service call end a local
Service list file, it is difficult to guarantee that the consistency of service, validity can not carry out United Dispatching and management to service, it is whole to take
The complexity of business frame maintenance steeply rises.
5) service call does not support the note mode of main programming model: all service calls of existing frame and exposure all need
It specific definition, the interface including calling service, method to adjust back and illustrate, cannot achieve in programming process in configuration file
In readme metaphor and the seamless insertion of main programming model, equal to need a service interface is redescribed in configuration file
Calling logic increases the complexity for calling the workload and maintenance realized.
Summary of the invention
The technical problem to be solved in the present invention is that a kind of distributed micro services frame system for supporting asynchronous mode is provided,
Complexity problem is solved using for the method for multiple stand-alone services by decomposing huge monomer-type, in the situation that function is constant
Under, using multiple manageable services are broken down into, each service uses RPC (Remote Procedure Call
Protocol --- remote procedure call protocol) clearly boundary is defined, increase the letter of the manageability and calling of service
Easily efficiently, following several respects are solved the problems, such as:
1) it supports asynchronous distributed service readjustment, solves the problems, such as occur response processing Single Point of Faliure in readjustment；
2) it supports the conversion between different agreement and transport layer, gets through overall process micro services calling；
3) the main programming model note mode realizing service publication, calling, improves and realizes efficiency, reduce maintenance complexity；
4) pair buffers for calling end and service providing end are realized, service call efficiency is improved；
5) uniform service registration center, all issuing services of centralized management are realized.
In order to solve the above technical problems, the present invention provides a kind of distributed micro services frame system for supporting asynchronous mode,
Including gateway Agent layer, service providing end, service register center and service call end；
The gateway Agent layer includes protocol converter and transmitter, and the protocol converter is responsible for external request
Data and the protocol formatted data of internal services support are mutually converted, and the transmitter is responsible for the biography of request data and response data
It is defeated；
The service providing end is responsible for issuing service to service register center, carries out business processing after receiving service request；
The service register center is responsible for issuing service registration, the lookup processing of service；
The service call end service destination, hair are searched by service register center according to specified service invocation information
It plays the request of remote service and obtains service response data；
The transmitter is converted into protocol format after the request data for receiving far call end, through protocol converter
Then data send assembled service request to service providing end, service providing end publication clothes by service call end program
It is engaged in service register center, service call end is by service register center lookup service destination and obtains service response data,
The transmitter relays to far call end after receiving the service response data.
As currently preferred technical solution, the protocol converter mainly includes protocol processor and serializing processing
Device two parts are responsible for the assembling, serializing and unserializing of all service datas and response data, translate into main programming mould
The data that type can be handled directly；Protocol processor, serializing processor in the protocol converter can be plugged freely；It is described
Transmitter includes WEB SOCKET transmitter and HTTP transmitter；The far call end include IOS far call end,
Android far call end and WEB far call end.
As currently preferred technical solution, the service providing end, including distributed caching module, annotation model,
Ti-Lnk agreement adjusts back Stub processing module and RabbitMq processor；The distributed caching module is responsible for according to service
The parameter cache configuration of interface is provided, using distributed caching Storage Middleware Applying, provides data buffer storage processing；The annotation model
It is responsible for realizing service registration using main programming language, service call injection, service parameter, the note function of cached configuration；It is described
Readjustment Stub processing module is responsible for storing the description information of asynchronism callback service, including service name, the agreement used, service
Interface description, method signature allow service providing end to find destination service in asynchronism callback and receive address；It is described
RabbitMq processor is responsible for the operation of RabbitMq message queue, and assembled protocol data is sent out when being included in calling service
It is sent to the monitoring queue of the monitoring queue and service call end wait-for-response and asynchronism callback of service providing end；The Ti-Lnk association
Discuss the protocol groups installation and dismantling packet processing for being responsible for service request and response data；The local cache module is responsible for service invocation procedure
In local cache processing, mainly realize the other caching process of thread-level；
For the service providing end before business processing, service register center can search hit according to the buffer service of configuration
It is data cached, if hit, directly return, otherwise continues follow-up business processing；Asynchronous service is needed to return at service call end
Timing after the completion of service request handling, searches corresponding callback information by readjustment Stub information storage into buffer service,
And corresponding readjustment is searched by service register center and services destination, complete readjustment processing；
It can be the service registration for needing externally to issue to service register center, including service after all service providing end startings
Title, service destination addressing information, the interface name that service can call, the parameter type and content of service request, service
Callback information；When service call end needs to request, it will use service name and search corresponding addressing information, then remotely adjusted
With.
As currently preferred technical solution, the service call end includes local cache module, annotation model, Ti-
Lnk agreement and RabbitMq transmitter；The local cache module is responsible for the processing of the local cache in service invocation procedure, main
Realize the other caching process of thread-level；The annotation model is responsible for realizing that service registration, service are adjusted using main programming language
With injection, service parameter, the note function of cached configuration；The RabbitMq processor is responsible for the behaviour of RabbitMq message queue
Make, monitoring queue and service call end etc. including assembled protocol data being sent to when calling service service providing end
Wait respond the monitoring queue with asynchronism callback；The Ti-Lnk agreement is responsible for the protocol groups installation and dismantling of service request and response data
Packet processing；The local cache module is responsible for the processing of the local cache in service invocation procedure, and it is other mainly to realize thread-level
Caching process；
The service call end can first search local cache according to call request information before the request for initiating remote service
With the presence or absence of the data cached of hit, if otherwise hit, direct return cache data continue subsequent remote service request.
As currently preferred technical solution, the protocol format of the internal services support is Ti-lnk agreement, described
Ti-Lnk agreement uses frame formula message structure, and every frame is mainly made of message length domain and message content domain, and message length domain makes
It is encoded with BIG_ENDIAN, occupies 4 bytes, message content domain uses JSON message format, and is more than in content-length
When 128k, compression transmission processing is carried out.
In addition, this method includes the realization of Ti-Lnk agreement the present invention also provides a kind of implementation method of above system, clothes
Registration center's function of being engaged in realizes that service invocation procedure is realized and gateway is realized.
As currently preferred technical solution, the realization of the Ti-Lnk agreement includes the following steps:
A) Ti-Lnk service request messages: heading includes the mark for calling service, and the service interface title of calling is called
Interface parameters signature, message body includes the parameters for needing to call service incoming, and each parameter is a frame；
B) Ti-Lnk service providing end response message: heading includes service client information, service release, acknowledgement type, clothes
Business session label information, the interior appearance of message body is service response result.
As currently preferred technical solution, the service register center function realization includes the following steps:
A) information on services can be submitted to service register center, including service name when starting service by service providing end,
Service interface, interface requests parameter and type, address of service information；
B) service register center brings registration service in heartbeat inspecting queue into after receiving service registration request, keep and
The connection of service providing end updates the service list of current service registration center once service is broken down immediately, and to all
Relevant service subscription person carries out information on services changing push；
C) service call end can calling in need service list to service register center send subscribe to request, service
Registration center can synchronize the detailed recalls information of service for returning to request, while maintaining a long-chain with called side and fetching push subscription
The change of service；
D) service call end can directly search corresponding destination service letter when active service is called from local service list
Breath, is such as dynamic call in program, does not subscribe in advance, can directly initiate new service search request；It is returned in lookup result
Hui Hou updates local service list.
As currently preferred technical solution, the service invocation procedure realization includes the following steps:
A) service call end initiates to search whether to exist in local cache first after calling effectively to hit data, such as
Then direct return cache is handled as a result, otherwise continuing subsequent calls for fruit hit；
B) service call end is not looked into such as according to calling service name to search service addressing information in local service list
It finds and directly initiates inquiry request to service register center, after getting service goal address information, first carry out Protocol layer data
Conversion, including data assembling and serializing operation, select corresponding transmitter to be sent to destination address after the completion, as call be
Asynchronism callback mode returns immediately after confirmation is sent to；
C) after service providing end receives the data of request by transmitter, first according to corresponding agreement carry out unserializing and
Then data de-packaging operation determines the mode this time called, adjusts back if it is asynchronous service, can save the Stub of readjustment service
In distributed caching storage, then generates agent object and enter method of servicing calling；
D) service providing end finds corresponding service routine according to request data, while according to the corresponding cached configuration of service
It is data cached to search；
E) it is not hit as data cached, service providing end will continue to the logical process inside service, after the completion of processing, sentence
Determine invocation pattern, is adjusted back if it is asynchronous service, the readjustment Stub stored at that time can be taken out, and request service register center, looked into
Effective service goal address is ask, then according to corresponding agreement and transmitter, executes data assembling, serializing and transmission behaviour
Make；
F) after service call end receives response data, the operation of data unpacking and unserializing is carried out according to corresponding agreement,
It is stored in the buffer memory of current thread rank, then carries out subsequent processing, calling process terminates.
As currently preferred technical solution, the gateway realization includes the following steps:
A) service invocation request is initiated at far call end, sends request data to service network by WEB SOCKET transmitter
Close Agent layer；
B) after gateway Agent layer receives request data using WEB SOCKET transmitter, first the head of request data is believed
Breath is parsed, and after taking the information on services of request, carries out Map Searching in local agent service list；
C) after determining background service title and interface, target service requests address incoming service is called into end program, then
Start to execute service call；
D) after service call end program returns the result, gateway is rung again according to the agreement assembling that far call end uses
Data and corresponding WEB SOCKET transmitter are answered to send request response.
According to technical solution provided above, compared with prior art, support asynchronous mode provided by the invention is in incognito
Business frame, has the advantages that
1, the service callbacks in frame, support asynchronous distributed provided by the invention adjust back function compared with the existing technology
Can, it can solve the readjustment problem of long-time service processing, service call side can terminate to call after request confirmation is sent to, no
There can be any extra occupancy to the thread resources of service caller, largely improve calling efficiency, reduce the resource of calling
Consumption ensures the consistency of business datum, improves reliability of service.
2, gateway agent skill group provided by the invention, for across agreement, the service call scene across transmitter can be with
The calling of front and back end service is got through, synchronous, asynchronous call is supported, the complexity of front end services calling is thus reduced, front end
Service call is opened from rear end protocol layer, transport layer decoupling, has ensured the independence of service.
3, the caching technology in frame compared with the existing technology, service call end provided by the invention and service providing end
Dual-cache mechanism can improve the efficiency of high frequency time service call, reduce service flexibly according to various data cached hit strategies
The pressure at end is provided.
4, the service call of frame is realized compared with the existing technology, main programming annotation model provided by the invention, Ke Yijia
Fast service call and service provide realization, reduce the maintenance cost of configuration file.
5, the service management of frame compared with the prior art, service management center provided by the invention can obtain every in real time
The state of a service, and the corresponding subscription service state of real-time informing caller, ensure the consistency and stability of service.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is existing micro services frame system structure chart.
Fig. 2 is the structural schematic diagram for the distributed micro services frame system that the present invention supports asynchronous mode.
Fig. 3 is the message structure schematic diagram of Ti-Lnk agreement in the present invention.
Fig. 4 is the relation schematic diagram of service register center and service call end and service providing end in the present invention.
Fig. 5 is the flow chart of service call in the present invention.
Fig. 6 is the flow chart that gateway service is handled in the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
The present invention provides a kind of micro services frame (Ti-Lnk frame) systems for supporting asynchronous mode, not only realize in incognito
The basic synchronization of business calls, service registration management, moreover it is possible to realize the readjustment of asynchronous distributed service, and across agreement across transport layer
Calling.In addition, all service calls and processing all support the note mode of main programming model.
Whole system is broadly divided into gateway Agent layer, service providing end, service call end, and service register center is whole
Body frame is referring to fig. 2.
1) gateway Agent layer is mainly made of protocol converter and transmitter, and protocol converter is responsible for external request
Data and protocol format (Ti-lnk agreement) data of internal services support are mutually converted, transmitter (the WEB SOCKET in Fig. 2
Transmitter, HTTP transmitter) it is responsible for the transmission of request data and response data, receiving the far call end (IOS in Fig. 2
Far call end, Android far call end, WEB far call end) request data after, be converted by protocol converter
Then general Ti-Lnk protocol data sends assembled service request to service providing end by service call end program,
Far call end is relayed to after receiving service response.
2) service providing end, including distributed caching module, annotation model, Ti-Lnk agreement adjust back Stub processing module
And RabbitMq processor.
2.1) it distributed caching module: is configured according to the parameter cache of service provision interface, is stored using distributed caching
Middleware provides data buffer storage processing
2.2) annotation model: service registration, service call injection are realized using main programming language, service parameter, caching is matched
The note function of setting.
2.3) Stub processing module is adjusted back: the description information of storage asynchronism callback service, including service name, the association used
View, the interface description of service, method signature etc. allow service providing end to find destination service reception in asynchronism callback
Address.
2.4) RabbitMq processor: being responsible for the operation of RabbitMq message queue, assembling when being included in calling service
Good protocol data is sent to the monitoring team of the monitoring queue and service call end wait-for-response and asynchronism callback of service providing end
Column.
2.5) Ti-Lnk agreement: it is responsible for the protocol groups installation and dismantling packet processing of service request and response data.
2.6) service providing end is responsible for issuing service to service register center, carries out business processing after receiving service request.
Before business processing, service register center can search the data cached of hit according to the buffer service of configuration, if hit, directly
Return is connect, follow-up business processing is otherwise continued.When service call end needs asynchronous service to adjust back, by readjustment Stub information storage
Into buffer service, after the completion of service request handling, corresponding callback information is searched, and pass through service register center lookup pair
The readjustment service destination answered, completes readjustment processing.
3) service call end includes local cache module, annotation model, Ti-Lnk agreement and RabbitMq transmitter.
3.1) local cache module: the local cache processing being responsible in service invocation procedure mainly realizes thread rank
Caching process.
3.2) annotation model: with 2.2)
3.3) Ti-Lnk agreement: with 2.5)
3.4) RabbitMq transmitter: with 2.4)
3.5) service destination, hair are searched by service register center according to specified service invocation information in service call end
It plays the request of remote service and obtains service response data.Before the request for initiating remote service, service call end can be according to tune
Local cache is first searched with solicited message with the presence or absence of the data cached of hit, if hit, direct return cache data, otherwise
Continue subsequent remote service request.
4) service register center is responsible for issuing service registration, the lookup processing of service.Meeting after all service providing end startings
The service registration for needing externally to issue to service register center, including service name, destination addressing information is serviced, service can
The interface name of calling, the parameter type and content of service request, the callback information etc. of service.When service call end needs to request
When, it will use service name and search corresponding addressing information, then carry out far call.
5) protocol converter mainly includes protocol processor and serializing processor two parts, is responsible for all service request numbers
According to assembling, serializing and the unserializing with response data, the data that main programming model can be handled directly are translated into.In module
Protocol processor, serializing processor can be plugged freely.
6) service call end and service providing end can all be embedded in main programming annotation model, for executing service call, service
Publication, the functions such as service readjustment mark, so that entire processing can not need additional configuration file and fast implement.
Micro services frame specific implementation provided by the invention is largely divided into four major parts: the realization of Ti-Lnk agreement,
Service register center function realizes that service invocation procedure is realized, gateway is realized.
1) Ti-Lnk agreement: Ti-Lnk agreement is designed to realize the transmission of service call data, agreement it is whole
Body structure is referring to Fig. 3.
A) Protocol Design of Ti-Lnk uses frame formula message structure, and every frame is mainly by message length domain and message content domain
It constitutes.Message length domain is encoded using BIG_ENDIAN, occupies 4 bytes, and message content domain uses JSON message format, and
When content-length is more than 128k, compression transmission processing is carried out.
B) Ti-Lnk service request messages: heading includes the mark for calling service, and the service interface title of calling is called
Interface parameters signature, message body includes the parameters for needing to call service incoming, and each parameter is a frame.
C) Ti-Lnk service providing end response message: heading includes service client information, and service release, acknowledgement type is (just
Often response or exception response), service conversation identification information, the interior appearance of message body is service response result.
2) service register center: service register center mainly includes the service Active Registration of service providing end, service call
The active of information on services notice and information on services that end is subscribed to is searched, refering to Fig. 4.
A) information on services can be submitted to service register center, including service name when starting service by service providing end,
Service interface, interface requests parameter and type, address of service information.
B) service register center brings registration service in heartbeat inspecting queue into after receiving service registration request, keep and
The connection of service providing end updates the service list of current service registration center once service is broken down immediately, and to all
Relevant service subscription person carries out information on services changing push.
C) service call end can calling in need service list to service register center send subscribe to request, service
Registration center can synchronize the detailed recalls information of service for returning to request, while maintaining a long-chain with called side and fetching push subscription
The change of service, such as the interface of subscription service increase, the failure etc. of subscription service.
D) service call end can directly search corresponding destination service letter when active service is called from local service list
Breath, is such as dynamic call in program, does not subscribe in advance, can directly initiate new service search request.It is returned in lookup result
Hui Hou updates local service list.
From the above process it can be seen that service register center unified management service, the accuracy of information on services and reachable is ensured
Property, important support is provided for subsequent service dispatch.
3) service call: the calling realization of service is the core of micro services frame, and the main calling comprising service is initiated, and is taken
The caching process for calling of being engaged in, the synchronization call processing of service and the asynchronism callback of service handle several piths, refering to Fig. 5.
It is the complete procedure of service call below:
A) service call end initiates to search whether to exist in local cache first after calling effectively to hit data, such as
Then direct return cache is handled as a result, otherwise continuing subsequent calls for fruit hit.The sphere of action of local cache is only limitted to thread-level
Not, the multiple number initiated long-range application and access same service data that can reduce same thread in this way, promotes access efficiency.
B) service call end is not looked into such as according to calling service name to search service addressing information in local service list
It finds and directly initiates inquiry request to service register center.After getting service goal address information, Protocol layer data is first carried out
Conversion, including data assembling and serializing operation, select corresponding transmitter to be sent to destination address after the completion.It is as called
Asynchronism callback mode returns immediately after confirmation is sent to.
C) after service providing end receives the data of request by transmitter, first according to corresponding agreement carry out unserializing and
Then data de-packaging operation determines the mode this time called, adjusts back if it is asynchronous service, can save the Stub of readjustment service
In distributed caching storage, then generates agent object and enter method of servicing calling.
D) service providing end finds corresponding service routine according to request data, while according to the corresponding cached configuration of service
It is data cached to search.Cached configuration can be cached according to JXPATH, interface parameters or combination parameter index to hit to search, this
Sample can define cache hit strategy according to different data access scenario, improve high frequency time service access efficiency.
E) it is not hit as data cached, service providing end will continue to the logical process inside service, after the completion of processing, sentence
Determine invocation pattern, is adjusted back if it is asynchronous service, the readjustment Stub stored at that time can be taken out, and request service register center, looked into
Ask effective service goal address.Then according to corresponding agreement and transmitter, data assembling, serializing and transmission behaviour are executed
Make.
F) after service call end receives response data, the operation of data unpacking and unserializing is carried out according to corresponding agreement,
It is stored in the buffer memory of current thread rank, then carries out subsequent processing, calling process terminates.
Entire calling process not only realizes basic synchronization call, in combination with the thread-level local cache for calling end and
The Distributed Cache Mechanism of service providing end improves and calls efficiency.Furthermore the mode support of asynchronous service readjustment, when solving long
Between batch processing service readjustment problem, utmostly ensure reliability of service and stability.
4) gateway is acted on behalf of: the purpose of realization of gateway is to need for external call using being different from internal services
The case where transmitter of calling, agreement, can smoothly transfer and handle service invocation request, and it is logical to reach uniform service tune.Gateway master
It to be realized by transmitter, protocol realization, protocol conversion, four parts of service call form, referring to Fig. 6.It is gateway processes below
Complete interaction flow:
A) service invocation request is initiated at far call end, sends request data to service network by WEB SOCKET transmitter
Close Agent layer；
B) after gateway Agent layer receives request data using WEB SOCKET transmitter, first the head of request data is believed
Breath is parsed, and after taking the information on services of request, carries out Map Searching in local agent service list；
C) after determining background service title and interface, target service requests address incoming service is called into end program, then
Start to execute calling, subsequent service call interaction describes process referring to the specific implementation of service call；
D) after service call end program returns the result, gateway is rung again according to the agreement assembling that far call end uses
Data and corresponding WEB SOCKET transmitter are answered to send request response.
From the point of view of above-mentioned realization, gateway Agent layer passes through a series of transmission for realizing suitable distal end difference channels requests
The request of all distal ends is flexibly mapped and is transferred by device and protocol converter, and remote service is enabled to call end smooth
Back-end services are called, service is reduced and realizes and integrate complexity.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (8)
1. a kind of distributed micro services frame system for supporting asynchronous mode, which is characterized in that including gateway Agent layer, clothes
Business provides end, service register center and service call end；
The gateway Agent layer includes protocol converter and transmitter, and the protocol converter is responsible for the data of external request
It is mutually converted with the protocol formatted data of internal services support, the transmitter is responsible for the transmission of request data and response data；
The service providing end is responsible for issuing service to service register center, carries out business processing after receiving service request；
The service register center is responsible for issuing service registration, the lookup processing of service；
Service destination is searched by service register center according to specified service invocation information in the service call end, initiates remote
The request of journey service simultaneously obtains service response data；The service call end includes local cache module, annotation model, Ti-Lnk
Agreement and RabbitMq transmitter；The local cache module is responsible for the processing of the local cache in service invocation procedure, mainly
Realize the other caching process of thread-level；The annotation model is responsible for realizing service registration, service call using main programming language
Injection, service parameter, the note function of cached configuration；The RabbitMq processor is responsible for the behaviour of RabbitMq message queue
Make, monitoring queue and service call end etc. including assembled protocol data being sent to when calling service service providing end
Wait respond the monitoring queue with asynchronism callback；The Ti-Lnk agreement is responsible for the protocol groups installation and dismantling of service request and response data
Packet processing；The local cache module is responsible for the processing of the local cache in service invocation procedure, and it is other mainly to realize thread-level
Caching process；The service call end can first search local slow before the request for initiating remote service according to call request information
It deposits with the presence or absence of the data cached of hit, if otherwise hit, direct return cache data continue subsequent remote service and ask
It asks；
The transmitter is converted into protocol format number after the request data for receiving far call end, through protocol converter
According to then by the assembled service request of service call end program transmission to service providing end, service providing end issuing service
To service register center, service call end searches service destination by service register center and obtains service response data, institute
It states transmitter and relays to far call end after receiving the service response data.
2. the system as claimed in claim 1, which is characterized in that the protocol converter mainly includes protocol processor and sequence
Change processor two parts, is responsible for the assembling, serializing and unserializing of all service datas and response data, translates into master
The data that programming model can be handled directly；Protocol processor, serializing processor in the protocol converter can be inserted freely
It pulls out；The transmitter includes WEB SOCKET transmitter and HTTP transmitter；The far call end includes IOS far call
End, Android far call end and WEB far call end.
3. the system as claimed in claim 1, which is characterized in that the service providing end, including distributed caching module are explained
Model, Ti-Lnk agreement adjust back Stub processing module and RabbitMq processor；The distributed caching module is responsible for basis
The parameter cache of service provision interface configures, and using distributed caching Storage Middleware Applying, provides data buffer storage processing；The note
Model is responsible for realizing service registration using main programming language, service call injection, service parameter, the note function of cached configuration；
The readjustment Stub processing module is responsible for storing the description information of asynchronism callback service, including service name, the agreement used, clothes
The interface of business describes, method signature, allows service providing end to find destination service in asynchronism callback and receives address；Institute
The operation that RabbitMq processor is responsible for RabbitMq message queue is stated, assembled protocol data when being included in calling service
It is sent to the monitoring queue of the monitoring queue and service call end wait-for-response and asynchronism callback of service providing end；The Ti-Lnk
Agreement is responsible for the protocol groups installation and dismantling packet processing of service request and response data；
For the service providing end before business processing, service register center can search the caching of hit according to the buffer service of configuration
Data directly return if hit, otherwise continue follow-up business processing；When service call end needs asynchronous service to adjust back,
Readjustment Stub information is stored into buffer service, after the completion of service request handling, searches corresponding callback information, and pass through
Service register center searches corresponding readjustment and services destination, completes readjustment processing；
It can be the service registration for needing externally to issue to service register center, including Service name after all service providing end startings
Claim, services destination addressing information, the interface name that service can call, the parameter type and content of service request, time of service
Adjust information；When service call end needs to request, it will use service name and search corresponding addressing information, then remotely adjusted
With.
4. the system as claimed in claim 1, which is characterized in that the protocol format of the internal services support is Ti-lnk association
View, the Ti-Lnk agreement use frame formula message structure, and every frame is mainly made of message length domain and message content domain, and message is long
Degree domain is encoded using BIG_ENDIAN, occupies 4 bytes, and message content domain uses JSON message format, and in content-length
When more than 128k, compression transmission processing is carried out.
5. a kind of implementation method of system according to any one of claims 1-4, which is characterized in that including Ti-Lnk agreement
It realizes, service register center function is realized, service invocation procedure is realized and gateway is realized；The service invocation procedure is real
Now include the following steps:
A) service call end initiates to search whether to exist in local cache first after calling effectively to hit data, if life
In then direct return cache as a result, otherwise continue subsequent calls processing；
B) service call end is not found such as according to calling service name to search service addressing information in local service list
Inquiry request directly is initiated to service register center, after getting service goal address information, first carries out turning for Protocol layer data
It changes, including data assembling and serializing operation, selects corresponding transmitter to be sent to destination address after the completion, be asynchronous as called
Call back scheme returns immediately after confirmation is sent to；
C) after service providing end receives the data of request by transmitter, unserializing and data are first carried out according to corresponding agreement
Then de-packaging operation determines the mode this time called, adjusts back if it is asynchronous service, can be stored in the Stub of readjustment service point
In cloth buffer memory, then generates agent object and enter method of servicing calling；
D) service providing end finds corresponding service routine according to request data, while looking into according to corresponding cached configuration is serviced
It looks for data cached；
E) it is not hit as data cached, service providing end will continue to the logical process inside service, after the completion of processing, determine to adjust
With mode, is adjusted back if it is asynchronous service, the readjustment Stub stored at that time can be taken out, and request service register center, inquired
Effective service goal address executes data assembling, serializing and transmission operation then according to corresponding agreement and transmitter；
F) after service call end receives response data, the operation of data unpacking and unserializing is carried out according to corresponding agreement, is saved
In the buffer memory of current thread rank, then subsequent processing is carried out, calling process terminates.
6. method as claimed in claim 5, which is characterized in that the realization of the Ti-Lnk agreement includes the following steps:
A) Ti-Lnk service request messages: heading includes calling the mark serviced, and the service interface title of calling, calling connects
Mouth parameters signatures, message body include the parameters for needing to call service incoming, and each parameter is a frame；
B) Ti-Lnk service providing end response message: heading includes service client information, service release, acknowledgement type, service meeting
Identification information is talked about, holding in message body is service response result.
7. method as claimed in claim 5, which is characterized in that the service register center function realization includes the following steps:
A) information on services can be submitted to service register center, including service name when starting service by service providing end, be serviced
Interface, interface requests parameter and type, address of service information；
B) service register center brings registration service in heartbeat inspecting queue into after receiving service registration request, keeps and services
The connection at end is provided, once service is broken down, updates the service list of current service registration center immediately, and to all correlations
Service subscription person carry out information on services changing push；
C) service call end can calling in need service list to service register center send subscribe to request, service registration
Center can synchronize the detailed recalls information of service for returning to request, while maintaining a long-chain with called side and fetching push subscription service
Change；
D) service call end can directly search corresponding destination service information from local service list when active service is called,
It is such as dynamic call in program, does not subscribe in advance, can directly initiates new service search request；It is returned in lookup result
Afterwards, local service list is updated.
8. method as claimed in claim 5, which is characterized in that the gateway realization includes the following steps:
A) service invocation request is initiated at far call end, sends request data to gateway generation by WEB SOCKET transmitter
Manage layer；
B) after gateway Agent layer receives request data using WEB SOCKET transmitter, first to the head information of request data into
Row parsing after taking the information on services of request, carries out Map Searching in local agent service list；
C) after determining background service title and interface, target service requests address incoming service is called into end program, is then started
Execute service call；
D) after service call end program returns the result, gateway assembles number of responses again according to the agreement that far call end uses
Request response is sent according to corresponding WEB SOCKET transmitter.
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