CN105791295B - A kind of application server based on Node.js - Google Patents
A kind of application server based on Node.js Download PDFInfo
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- CN105791295B CN105791295B CN201610124561.1A CN201610124561A CN105791295B CN 105791295 B CN105791295 B CN 105791295B CN 201610124561 A CN201610124561 A CN 201610124561A CN 105791295 B CN105791295 B CN 105791295B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
Abstract
The present invention relates to a kind of application servers based on Node.js comprising Node.js runs application service system, using data resource and external application servers；It includes application server engine, locally applied container and applications container that wherein Node.js, which runs application service system,；If application server engine includes host process and the subprocess container for carrying subprocess of working, each work subprocess is authorized to use HTTP server and using domain manager；Locally applied container carries several locally applied, and locally applied container includes locally applied interface unit and locally applied manager, and locally applied in locally applied manager is connect by locally applied interface unit with application data resource；Applications container carries several applications, and each applications are made of applications interface unit, is responsible for interacting with external application servers.Multiple user services can be supported to request simultaneously compared with prior art.
Description
Technical field
The present invention relates to a kind of application servers based on Node.js, for providing the server of building web application
System software environment.
Background technique
Node.js is born in May, 2009, is a kind of JavaScript running environment for being implemented in Chrome V8 engine,
Briefly Node.js is exactly the JavaScript for operating in server-side, it is built-in HTTP server, can be directly realized by net
It stands and server capability.The JavaScript technology of this server end significantly enhances the flexibility of system development.Using
Node.js can directly carry out the exploitation of server end logic and page script using JavaScript, relative to traditional
For the server-side programming language such as PHP, JSP, the biggish flexibility of web developers is given, without building Apache etc. in advance
A kind of HTTP server.However, excessively high flexibility also brings the excessive diversity of standard and programmed method, general website
The more difficult selection of developer is simultaneously found out similar to the server-side programming language such as PHP, JSP one kind conveniently development mode.Together
When, single thread asynchronous event treatment mechanism is used by the HTTP server that Node.js is directly created, although on treatment effeciency
Have certain advance, but in view of distributed extensive website apply system throughput, in terms of demand, merely
Processing capacity and means dependent on Node.js itself is more single, and common developer is more difficult to construct high-performance, high reliability
System.Importantly, 80 ports are used when Web server general online service, when multiple independent Webs will be simultaneously
When sharing a web server host, 80 ports can only be monopolized by a Web server, if directlying adopt at this time
Node.js the function supported of included HTTP server, then only serviced single website application, wasted 80 valuable ports
Resource.
Although the volume that Node.js belongs to a kind of great development prospect, represents future HTTP Website development technological development direction
The extensive concern of Cheng Yuyan and platform technology by countries in the world researcher and developer, Node.js technology allow by
Development language of the JavaScript as website background logic, but this but also general Websites application developer in addition to realize from
It applies except logic oneself website, it is necessary to establish HTTP server for the website of oneself, increase workload and complexity.Base
Belong to single thread structure in the website that Node.js is realized, is mainly used for single website application, for the concurrency largely requested
Processing is not strong, when an error occurs also without corresponding counter-measure.Therefore programming technique Node.js emerging as one kind,
There are also much need further perfect aspect for its corresponding method and development mode.
Application server is the software frame and platform for carrying the application and service logic such as Web site, constructs one kind
Application server based on Node.js can be convenient the exploitation that developer carries out the novel website Node.js and application, from system
Also it is more superior that the HTTP server having than single use Node.js itself is expected in terms of efficiency and fault-tolerance, while
Being expected to easily to access multiple websites Node.js makes it share the same web server host resource.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of application clothes based on Node.js for the above-mentioned prior art
Business device can support multiple applications for carrying the Web application based on Node.js simultaneously.
The technical scheme of the invention to solve the technical problem is: a kind of application server based on Node.js,
It is characterized by comprising: Node.js runs application service system, using data resource and external application servers；Wherein
It includes application server engine, locally applied container and applications container that Node.js, which runs application service system,；Aforementioned applications
If server engine includes host process and the subprocess container for carrying subprocess of working, each work subprocess, which is authorized to, to be made
With HTTP server and apply domain manager；Locally applied container carry it is several locally applied, locally applied container include this
Ground application interface unit and locally applied manager, locally applied in locally applied manager pass through locally applied interface unit
It is connect with using data resource；Applications container carries several applications, and each applications are by applications interface
Unit is constituted, and is responsible for interacting with external application servers；
Wherein Node.js runs the application server engine monitoring users service request of application service system, when user sends out
Out after service request, handled by following below scheme:
S101, user initiate service request；
S102, application server engine, which receive user service, requests and carries out the following processing；
If S103, service request content be it is locally applied, be further processed, be otherwise transferred to step S107；
S104, according to user service request in http address information acquisition Apply Names, service request is sent into local
It is corresponding locally applied in application manager；
After the corresponding locally applied acquisition service request of S105, locally applied manager, pass through locally applied interface unit
It calls and carries out service request handling using data resource；
After the corresponding locally applied completion service request handling of S106, locally applied manager, processing result is fed back to
Application server engine；
S107, application server engine according to user service request in http address obtain Apply Names, service is asked
Signal is asked to be sent into corresponding applications in applications container；
Service request signal is forwarded to external application servers by applications interface unit by S108, applications；
Processing result is fed back to application server engine by applications container by S109, external application servers；
Processing result is fed back to user by S110, application server engine, realizes user response.
As an improvement, application server engine, which carries out user service request processing, depends on HTTP server and application domain pipe
Device is managed, and there are several work subprocess in subprocess container, each work subprocess has HTTP server and application domain
The specific course of work of the right to use of manager, application server engine includes the following steps:
S201, application server engine start, initially enter working condition；
S202, application server engine create HTTP server；
Domain manager is applied in S203, the creation of application server engine；
The configuration file that S204, application server engine reading service are requested, obtains the work of service request in configuration file
Make subprocess quantity N；
S205, Optimal Parameters N: N is first determined whether less than 1, if so, 1 will be assigned a value of N；If not, N will be assigned a value of
CPU quantity；
S206, creation service processes manager；
S207, starting host process；
S208, start N number of work subprocess in subprocess container and continued to execute into S209, each work subprocess
Step S211 is transferred to be handled；
S209, host process are monitored work subprocess state and are carried using domain manager, and application domain management is carried out；
If S210, there is work subprocess i failure, restarts work subprocess i, be transferred to step S209；
After N number of work subprocess starting in S211 subprocess container, each work subprocess obtain HTTP server and
Using the right to use of domain manager；
N number of work subprocess in S212, subprocess container enters idle state, monitors HTTP request；
S213, vacant working subprocess j is chosen from subprocess container if user initiates HTTP service request；
S214, work subprocess j complete HTTP service request and handle and be transferred to step S212, switch to idle state and continue to supervise
Listen service request.
It improves again, Node.js runs application service system and passes through the distribution using domain manager realization user service request
With distribute, and then realize application server to the support functions of multiple applications；The wherein host process work of application server engine
Process are as follows:
S301, host process starting；
S302, host process start work subprocess, and work subprocess, which obtains, applies domain manager；
S303, the application in locally applied container and applications container is retrieved using domain manager；
S304, list of application is established using domain manager, list of application is sent into all applications；
S305, host process monitor work subprocess state and carry out application domain management；
If a certain application exception S306, occurs, it is transferred to step S309；
S307, enter in next step if the failure of work subprocess occurs；
S308, host process restart failure work subprocess；
S309, exception application is deleted using domain manager, and be transferred in next step；
S310, list of application is adjusted if there is newly-increased or deletion application, and is transferred to step S304.
Work subprocess in subprocess container is responsible for requesting user service to distribute specific application, specific works
Process is as follows:
S401, the progress of work i starting；
S402, progress of work i obtain the HTTP server right to use；
S403, progress of work i, which are obtained, applies the domain manager right to use；
S404, progress of work i enter idle process queue, wait in line user service request；
S405, user issue HTTP request；
S406, progress of work i dequeue obtain user's request；
S407, progress of work i read the Apply Names of user's request from http address；
Request is sent by the application domain manager in S408, progress of work i requests corresponding application；
S409, it is back to the HTTP server in progress of work i using completion request processing and by result, and then realizes and uses
The response of family request: it if this is applied with basing on practicality, requests to be sent into locally applied container, then carried out by locally applied container
Reason obtains and applies data resource, and then completes user response；If the application is applications, request to be sent into applications appearance
Device transfers external application servers by applications container and carries out user's request response, return response result；
Multiple work subprocess in subprocess container can different user service request corresponding simultaneously.
Compared with the prior art, the advantages of the present invention are as follows: the Web application based on Node.js is carried, can be supported simultaneously
Multiple user service requests.
Detailed description of the invention
Fig. 1 is the block diagram of the application server based on Node.js in the embodiment of the present invention；
Fig. 2 is the overview flow chart that user service requests response process in the embodiment of the present invention；
Fig. 3 is server engine work flow diagram in the embodiment of the present invention；
Fig. 4 is the work flow diagram of host process in the embodiment of the present invention；
Fig. 5 is the work flow diagram of subprocess of individually working in the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Application server based on Node.js as shown in Figure 1 runs application service system including Node.js, answers
With data resource and external application servers；It includes application server engine, local that wherein Node.js, which runs application service system,
Application container and applications container；If aforementioned applications server engine include host process and carrying work subprocess son into
Journey container, each work subprocess are authorized to use HTTP server and using domain managers；Locally applied container carries
Several locally applied, locally applied container includes locally applied interface unit and locally applied manager, locally applied manager
In locally applied connect by locally applied interface unit with using data resource；Applications container carries several outsides
Using each applications are made of applications interface unit, are responsible for interacting with external application servers；
Wherein Node.js runs the application server engine monitoring users service request of application service system, when user sends out
Out after service request, handled by following below scheme:
S101, user initiate service request；
S102, application server engine, which receive user service, requests and carries out the following processing；
If S103, service request content be it is locally applied, be further processed, be otherwise transferred to step S107；
S104, according to user service request in http address information acquisition Apply Names, service request is sent into local
It is corresponding locally applied in application manager；
After the corresponding locally applied acquisition service request of S105, locally applied manager, pass through locally applied interface unit
It calls and carries out service request handling using data resource；
After the corresponding locally applied completion service request handling of S106, locally applied manager, processing result is fed back to
Application server engine；
S107, application server engine according to user service request in http address obtain Apply Names, service is asked
Signal is asked to be sent into corresponding applications in applications container；
Service request signal is forwarded to external application servers by applications interface unit by S108, applications；
Processing result is fed back to application server engine by applications container by S109, external application servers；
Processing result is fed back to user by S110, application server engine, realizes user response.
Application server engine carries out user service request processing dependent on HTTP server and applies domain manager, and sub
There are several work subprocess in Process Container, each work subprocess has HTTP server and makes using domain manager
Included the following steps: with the specific course of work of power, application server engine
S201, application server engine start, initially enter working condition；
S202, application server engine create HTTP server；
Domain manager is applied in S203, the creation of application server engine；
The configuration file that S204, application server engine reading service are requested, obtains the work of service request in configuration file
Make subprocess quantity N；
S205, Optimal Parameters N: N is first determined whether less than 1, if so, 1 will be assigned a value of N；If not, N will be assigned a value of
CPU quantity；
S206, creation service processes manager；
S207, starting host process；
S208, start N number of work subprocess in subprocess container and continued to execute into S209, each work subprocess
Step S211 is transferred to be handled；
S209, host process are monitored work subprocess state and are carried using domain manager, and application domain management is carried out；
If S210, there is work subprocess i failure, restarts work subprocess i, be transferred to step S209；
After N number of work subprocess starting in S211 subprocess container, each work subprocess obtain HTTP server and
Using the right to use of domain manager；
N number of work subprocess in S212, subprocess container enters idle state, monitors HTTP request；
S213, vacant working subprocess j is chosen from subprocess container if user initiates HTTP service request；
S214, work subprocess j complete HTTP service request and handle and be transferred to step S212, switch to idle state and continue to supervise
Listen service request.
Node.js operation application service system is by the distribution using domain manager realization user service request and distributes,
And then realize application server to the support function of multiple applications: being responsible for application management using domain manager, requested according to user
In address information determine the application that the service request is belonged to, to make requests the distribution of message and distribute, then by respective
Using handling respectively；The wherein host process workflow of application server engine are as follows:
S301, host process starting；
S302, host process start work subprocess, and work subprocess, which obtains, applies domain manager；
S303, the application in locally applied container and applications container is retrieved using domain manager；
S304, list of application is established using domain manager, list of application is sent into all applications；
S305, host process monitor work subprocess state and carry out application domain management；
If a certain application exception S306, occurs, it is transferred to step S309；
S307, enter in next step if the failure of work subprocess occurs；
S308, host process restart failure work subprocess；
S309, exception application is deleted using domain manager, and be transferred in next step；
S310, list of application is adjusted if there is newly-increased or deletion application, and is transferred to step S304.
Work subprocess in subprocess container is responsible for requesting user service to distribute specific application, specific works
Process is as follows:
S401, the progress of work i starting；
S402, progress of work i obtain the HTTP server right to use；
S403, progress of work i, which are obtained, applies the domain manager right to use；
S404, progress of work i enter idle process queue, wait in line user service request；
S405, user issue HTTP request；
S406, progress of work i dequeue obtain user's request；
S407, progress of work i read the Apply Names of user's request from http address；
Request is sent by the application domain manager in S408, progress of work i requests corresponding application；
S409, it is back to the HTTP server in progress of work i using completion request processing and by result, and then realizes and uses
The response of family request: if this is applied with basing on practicality, locally applied container is sent into request, then carried out by locally applied container
Processing obtains and applies data resource, and then completes user response；If the application is applications, external answer is sent into request
With container, external application servers are transferred by applications container and carry out user's request response, return response result；
Multiple work subprocess in subprocess container can different user service request corresponding simultaneously.
Claims (2)
1. a kind of application server based on Node.js, it is characterised in that: include: Node.js operation application service system, answer
With data resource and external application servers；It includes application server engine, local that wherein Node.js, which runs application service system,
Application container and applications container；If aforementioned applications server engine include host process and carrying work subprocess son into
Journey container, each work subprocess are authorized to use HTTP server and using domain managers；Locally applied container carries
Several locally applied, locally applied container includes locally applied interface unit and locally applied manager, locally applied manager
In locally applied connect by locally applied interface unit with using data resource；Applications container carries several outsides
Using each applications are made of applications interface unit, are responsible for interacting with external application servers；
Wherein Node.js runs the application server engine monitoring users service request of application service system, takes when user issues
After business request, handled by following below scheme:
S101, user initiate service request；
S102, application server engine, which receive user service, requests and carries out the following processing；
If S103, service request content be it is locally applied, be further processed, be otherwise transferred to step S107；
S104, according to user service request in http address information acquisition Apply Names, service request is sent into locally applied
It is corresponding locally applied in manager；
After the corresponding locally applied acquisition service request of S105, locally applied manager, called by locally applied interface unit
Service request handling is carried out using data resource；
After the corresponding locally applied completion service request handling of S106, locally applied manager, processing result is fed back into application
Then server engine executes step S110；
S107, application server engine according to user service request in http address obtain Apply Names, service request is believed
Number be sent into applications container in corresponding applications；
Service request signal is forwarded to external application servers by applications interface unit by S108, applications；
Processing result is fed back to application server engine by applications container by S109, external application servers；
Processing result is fed back to user by S110, application server engine, realizes user response；
Application server engine carries out user service request processing dependent on HTTP server and applies domain manager, and subprocess
There are several work subprocess in container, each work subprocess has the use of HTTP server and application domain manager
Power, the specific course of work of application server engine include the following steps:
S201, application server engine start, initially enter working condition；
S202, application server engine create HTTP server；
Domain manager is applied in S203, the creation of application server engine；
The configuration file that S204, application server engine reading service are requested obtains work of service request in configuration file
Number of processes N；
S205, Optimal Parameters N: N is first determined whether less than 1, if so, N is assigned a value of 1；If not, N is assigned a value of CPU quantity；
S206, creation service processes manager；
S207, starting host process；
S208, start N number of work subprocess in subprocess container and continued to execute into S209, each work subprocess is transferred to
Step S211 is handled；
S209, host process are monitored work subprocess state and are carried using domain manager, and application domain management is carried out；
If S210, there is work subprocess i failure, restarts work subprocess i, be transferred to step S209；
After N number of work subprocess starting in S211, subprocess container, each work subprocess obtains HTTP server and answers
With the right to use of domain manager；
N number of work subprocess in S212, subprocess container enters idle state, monitors HTTP request；
S213, vacant working subprocess j is chosen from subprocess container if user initiates HTTP service request；
S214, work subprocess j complete HTTP service request and handle and be transferred to step S212, switch to idle state and continue to monitor clothes
Business request.
2. application server according to claim 1, it is characterised in that: Node.js operation application service system is by answering
The distribution of user service request is realized with domain manager and is distributed, and then support of the realization application server engine to multiple applications
Function, wherein the host process workflow of application server engine are as follows:
S301, host process starting；
S302, host process start work subprocess, and work subprocess, which obtains, applies domain manager；
S303, the application in locally applied container and applications container is retrieved using domain manager；
S304, list of application is established using domain manager, list of application is sent into all applications；
S305, host process monitor work subprocess state and carry out application domain management；
If a certain application exception S306, occurs, it is transferred to step S309；
S307, enter in next step if the failure of work subprocess occurs；
S308, host process restart failure work subprocess；
S309, locally applied container and applications container are retrieved using domain manager, reloads the application, and be transferred to next
Step；
S310, list of application is adjusted if there is newly-increased or deletion application, and is transferred to step S304；
Work subprocess in subprocess container is responsible for requesting user service to distribute specific application, specific workflow
It is as follows:
S401, work subprocess i starting；
S402, work subprocess i obtain the HTTP server right to use；
S403, work subprocess i are obtained and are applied the domain manager right to use；
S404, work subprocess i enter idle process queue, wait in line user service request；
S405, user issue HTTP request；
S406, work subprocess i dequeue, obtain user's request；
S407, work subprocess i read the Apply Names of user's request from http address；
Request is sent by the application domain manager in S408, work subprocess i requests corresponding application；
S409, it is back to the HTTP server in work subprocess i using completion request processing and by result, and then realizes user
The response of request: if this is applied with basing on practicality, locally applied container is sent into request, then carried out by locally applied container
Reason obtains and applies data resource, and then completes user response；If the application is applications, applications are sent into request
Container transfers external application servers by applications container and carries out user's request response, return response result；
Multiple work subprocess in subprocess container can respond different user service requests simultaneously.
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| US10257316B2 (en) * | 2014-03-30 | 2019-04-09 | Cisco Technology, Inc. | Monitoring of node.js applications |
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