CN112636972B - Method for optimizing network performance based on plug-in technology and QUIC protocol - Google Patents
Method for optimizing network performance based on plug-in technology and QUIC protocol Download PDFInfo
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Abstract
The invention provides a method for optimizing network performance on the basis of a plug-in technology and a QUIC protocol on a client side, which is used by an Android application program. The SDK realized by the invention is integrated into the corresponding APP, and the network request is sent by using the network library OKHTTP for the first time when the user uses and starts the mobile APP. After entering a main interface, the QUIC framework is downloaded and initialized from a CDN address of a server by adopting a self-developed plug-in scheme under the condition scenes of switching to other applications according to the current network environment and the network flow use condition or APP, and then the network request is intercepted by an interceptor (interrupt) mechanism of a network library OKHTTP and processed by the QUIC network request framework, wherein the QUIC request framework is customized and modified by a CRONET module based on a Chromium open source code and adopts a QUIC HINT mechanism. The invention realizes the capability of using QUIC protocol by client-side plug-in, and simultaneously reserves the installation package size of the original application program.
Description
Technical Field
The invention belongs to the technical field of APP, and relates to a plug-in mechanism and a QUIC protocol mechanism, wherein a platform model is realized based on OKHTTP, QUIC and Chromium, and specifically relates to a method for optimizing network performance based on a plug-in technology and a QUIC protocol at a client side.
Background
The QUIC protocol, known as Quick UDP Internet Connections, is a new generation of UDP-based Internet transport protocol developed by Google. As the name suggests, the representative characteristic is 'fast', QUIC has general improvement on the whole network experience, and especially the improvement space is more remarkable due to the lower baseline of the weak network scene. In addition, in the initial 5G popularization stage, under the condition that the base station deployment is not dense enough, how to ensure stable effective bandwidth rate is a major challenge to the mobile phone application in 2-3 years in the future.
When the QUIC protocol is accessed to realize application, the compatibility of a CPU needs to be fully considered, so that the size of an installation package of an application program is multiplied, the volume of a huge installation package occupies the storage space of a mobile phone, and the installation package with small volume is more favored by users. Therefore, how to reduce the influence of the size of the network library on the application volume when the access QUIC protocol is implemented to the application becomes a topic worthy of study. In order to reduce the influence of the size of the network library on the volume of the application, the invention uses a plug-in technology to load the QUIC framework in a dynamic loading mode.
Disclosure of Invention
The present invention is directed to the above-mentioned problems, and it is an object of the present invention to provide a plug-in technology based method for optimizing client-side network performance using QUIC protocol, enabling flexible customization capability in combination with OKHTTP framework request service, dynamically enabling application QUIC network protocol support, enabling application of APP QUIC protocol on mobile client side, and simultaneously enabling support for dynamically configuring domain name list supporting QUIC connection detection.
In order to achieve the aim, the invention adopts the technical proposal that,
a method for optimizing network performance based on a plug-in technology and a QUIC protocol specifically comprises the following steps:
1) Designing a Gradle Android Library;
2) Generating a dynamic link library to be connected with a Java library and introducing the dynamic link library to the module library;
3) An Interreceptor is designed based on an Interreceptor mechanism of the OKHTTP by using an open source OKHTTP network library.
Preferably, the module library in the step 1) provides an OKHTTP Client object through a lazy-to-Han singleton mode, and ensures that the designed CRONET Interceptor is at the bottom layer of all application interceptors; the interceptor carries out intermediate object conversion after intercepting the initiated Request during operation, creates a new Chromium UrlRequest object from the equivalent conversion of the Request object of the OKHTTP, sets a modified proxy customized callback object, and is responsible for executing callback distribution and Response object conversion of the process. In the creation of a new chroma UrlRequest object by the modules, a Connection Timeout mechanism is guaranteed by using a reflection technology, and efficient lazy-Han design is also used in a scene of initiating an uploading and downloading request, so that the uploading and downloading can be realized more efficiently. We reflect the implementation where the mmessagelloop object is replaced with us by customizing the broker CronetEngine class, which itself guarantees the Connection TimeOut for each request through a TimeOut mechanism similar to OKHTTP. When an upload request is initiated, a Source structure is designed and customized, and an UploadDataProvider is provided for a network to read and upload blocks when the network really needs to upload, so that concurrent IO is reduced, and the program execution efficiency is improved. Before downloading the request body, the request result is returned first for triggering the conversion writing of the downloaded object when the program really needs to use body reading when running, so that the concurrent IO is reduced, and the program execution efficiency is improved.
Preferably, the Android Library module is attached with Gradle configuration demo, a plug-in mode or an embedded mode can be selected to be started through Gradle configuration, and access selection of a host APP is enriched. The method can select plug-in mode access for APP with higher requirements on performance and size, such as news APP, and can select embedded module mode access for small-range internal users, such as office APPs. In both modes, a small part of module codes are accessed into the APP host for the host to call and control initialization opportunity and other configurations.
Preferably, when the initialization method of the module is called during the running of the APP, whether the decompressed plug-in exists in the local security directory or not is checked, and if the decompressed plug-in exists in the local security directory, the safe loading is carried out; and if the verification is passed, decompressing to a safe file directory, and loading the plug-in. In a plug-in access mode, the characteristic of high stability requirement of a client side is fully considered, and a mechanism for updating plug-in is realized. The latest plug-in is guaranteed to be sent and replaced as soon as possible by checking and comparing the version of the plug-in, checking and the like under the conditions of starting, entering idle, entering a desktop and the like.
Preferably, the access introduction manner in step 2) is as follows: and when the user returns to the desktop or the APP enters an idle state, the module receives the notification callback of the APP. And downloading the APK packet carrying the signature through the CDN address of the server, and verifying the validity through consistent comparison with the current host signature, decompressing to an application security directory and loading.
Preferably, the generation of the dynamic link library and the Java library in step 2) is: based on a Stable branch of an open source Chromium source code, an environment is built, a configuration dependency is installed, reasonable configuration is customized, a target environment is suitable for operation of an android client, and a dynamic link library and a Java library of a development and release mode are generated through a construction packaging tool in the source code.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the SDK realized by the invention is integrated into the corresponding APP, and the network request can be sent by using the network library OKHTTP for the first time when the user uses and starts the mobile APP. After entering a main interface, the QUIC framework is downloaded and initialized from a CDN address of a server by adopting a self-developed plug-in scheme under the condition scenes of switching to other applications according to the current network environment and the network flow use condition or APP, and then the network request is intercepted by an interceptor (interrupt) mechanism of a network library OKHTTP and processed by the QUIC network request framework, wherein the QUIC request framework is customized and modified by a CRONET module based on a Chromium open source code and adopts a QUIC HINT mechanism. The invention realizes the capability of using the QUIC protocol in a plug-in mode at the client side, and simultaneously reserves the size of the installation package of the original application program.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a flow diagram of a method for optimizing network performance based on plug-in technology and QUIC protocol.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1, the object of the present invention is to provide a method for implementing QUIC protocol based on plug-in technology, i.e. optimizing client-side network performance, implementing flexible customization capability in combination with OKHTTP framework request service, dynamically enabling application QUIC network protocol support, implementing application of APP QUIC protocol on mobile client side, and also implementing support for dynamically configuring domain name list supporting QUIC connection detection, the implementation of the present invention includes the following steps:
1. based on a Stable branch of an open source chroma source code, an environment is built, configuration dependence is installed, reasonable configuration is customized, a target environment is suitable for running of an android client, and a dynamic link library (.so) and a Java library (.jar) in a development and release mode are generated through a construction packaging tool in the source code.
2. Firstly, a Gradle Android Library module is designed, and the dynamic link Library and the Java Library in the step 1 are accessed and introduced into the module Library. And an Interreceptor is designed based on an Interreceptor mechanism of the OKHTTP by using an open-source OKHTTP network library. The module provides an OKHTTP Client object through a lazy-Chinese singleton mode, and ensures that the designed CRONET Interceptor is at the bottommost layer of all application interceptors. The interceptor carries out intermediate object conversion after intercepting the initiated Request during operation, creates a new Chromium UrlRequest object from the equivalent conversion of the Request object of the OKHTTP, sets a modified proxy customized callback object, and is responsible for executing callback distribution and Response object conversion of the process.
3. In the creation of a new chroma UrlRequest object by the modules, a Connection Timeout mechanism is guaranteed by using a reflection technology, and efficient lazy-type design is used in a scene of initiating an upload request and a download request, so that the upload request and the download request can be more efficiently realized. We reflect the implementation where the mMessageLoop object is replaced by us by customizing the proxy CronetEngine class, which is itself guaranteed per-request Connection TimeOut by a Timeout mechanism similar to OKHTTP. When an uploading request is initiated, a Source structure is designed and customized, and an UploadDataProvider is provided for a network to read and upload blocks when the network really needs to upload the blocks, so that concurrent IO is reduced, and the program execution efficiency is improved. Before downloading the request body, the request result is returned first for triggering the conversion writing of the downloaded object when the program really needs to use body reading when running, so that the concurrent IO is reduced, and the program execution efficiency is improved.
4. The Android Library module is attached with a Gradle configuration demo, a plug-in mode or an embedded mode can be selected to be started through the Gradle configuration, and access selection of a host APP is enriched. The method can be used for accessing the APP with higher requirements on performance and size, such as a news APP, in a plug-in mode, and can be used for accessing the APP facing a small-range internal user, such as an office APP, in a mode of selecting an embedded module. In both modes, a small part of module codes are accessed into the APP host for the host to call and control initialization time and other configurations.
5. And calling an initialization method of the module when the APP runs, starting to check whether the local security directory has a decompressed plug-in, and if so, safely loading. And if the verification is passed, decompressing to a safe file directory, and loading the plug-in.
6. In the plug-in access mode, the plug-in module is cached to the application security directory through the following steps. And when the user returns to the desktop or the APP enters an idle state, the module receives a notification callback of the APP. And downloading the APK packet carrying the signature through the CDN address of the server, and verifying the validity through consistent comparison with the current host signature, decompressing to an application security directory and loading.
7. In a plug-in access mode, the characteristic of high stability requirement of a client side is fully considered, and a mechanism for updating plug-in is realized. The latest plug-in is guaranteed to be sent and replaced as soon as possible by checking and comparing the version of the plug-in, checking and the like under the conditions of starting, entering idle, entering a desktop and the like.
8. The QUIC network request framework has the function of QUIT HINT configuration, can support the configuration of HOST domain names and corresponding ports which need to support the connectivity check of the QUIC protocol, and designs a set of modes for dynamically issuing a QUIT HINT strategy in order to more flexibly control the configuration. The dynamic configuration is obtained from the CDN interface of the server side to determine which QUIC HINTs are started, and the local security file cache is added to ensure the bottom-of-pocket configuration of the QUIT HINT configuration. When the APP is started, firstly, configuration is obtained through a cache and is used as an initial configuration bottom, meanwhile, a request is initiated to request the latest server side configuration, and a QUIT-enabled dynamic mechanism is realized for different users according to the configuration field values of the user equipment system version, the type, the equipment number matching, the province city and the like. The subsequent server can dynamically update QUIC HINT configuration according to factors such as the compatibility of the server and the equipment, and the like, thereby realizing a QUIC HINT gray configuration mechanism.
QUIC build and negotiate process, which we have not for the time being custom designed on the basis of the Chromium source code. The current version is that when the request matches in the HOST domain name or IP under the quit hit configuration, the client will compete simultaneously with the TCP connection, send the request using the quit protocol once the quit established the connection wins, if the network or server does not support quit/UDP, the client marks quit as broken, the request in transit is retransmitted over TCP, try to retry QUIC after 5 minutes, next try increases to 10 minutes, once again succeed in using QUIC and cancel the broken mark.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (2)
1. A method for optimizing network performance based on a plug-in technology and a QUIC protocol is characterized by comprising the following steps:
1) Designing a Gradle Android Library;
2) Generating a dynamic link library and a Java library, and introducing the dynamic link library and the Java library into the module library in an access way;
3) Designing an Interreceptor based on an Interreceptor mechanism of OKHTTP by using an open-source OKHTTP network library;
the module library in the step 1) provides an OKHTTP Client object through a lazy-to-Han single-case mode, and ensures that the designed CRONET Interceptor is at the bottom layer of all application interceptors; the interceptor intercepts the initiated Request during operation and then performs intermediate object conversion, creates a new chroma UrlRequest object by equivalently converting the Request object of the OKHTTP, sets a modified proxy customized callback object and is responsible for callback distribution and Response object conversion of the execution process;
the Gradle Android Library is attached with Gradle configuration demo, a plug-in mode or an embedded mode can be selected to be started through Gradle configuration, and access selection of a host APP is enriched;
calling an initialization method of a module when the APP runs, and starting to check whether the local security directory has a decompressed plug-in or not, and if yes, safely loading; if the verification is passed, decompressing to a safe file directory, and loading the plug-in;
the access introduction mode in the step 2) is as follows: when the user returns to the desktop or the APP enters an idle state, the module receives a notification callback of the APP; downloading an APK packet carrying the signature through a CDN address of a server side, and identifying the validity through consistent comparison and verification with the current host signature, decompressing to an application security directory and loading;
the QUIC HINT gray level configuration is realized, namely a QUIC HINT strategy is dynamically issued by using the function of QUIC network request frame QUIT HINT configuration, the preset QUIC HINT is determined to be started by acquiring the dynamically issued configuration from a CDN interface of a server side, the local security file cache is added, the configuration bottom can be acquired by the cache at the starting time, and the effect of dynamically updating the QUIC HINT configuration is achieved.
2. The method for optimizing network performance based on plug-in technology and QUIC protocol as claimed in claim 1, wherein the step 2) of generating dynamic link library and Java library is: based on a Stable branch of an open source chroma source code, environment and installation configuration dependence is built, reasonable configuration is customized, a target environment of the system is suitable for operation of an android client, and a dynamic link library and a Java library of a development and release mode are generated through a construction packaging tool in the source code.
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