CN105847184A - Network request method, device and processing system for android operation system - Google Patents
Network request method, device and processing system for android operation system Download PDFInfo
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- CN105847184A CN105847184A CN201610096521.0A CN201610096521A CN105847184A CN 105847184 A CN105847184 A CN 105847184A CN 201610096521 A CN201610096521 A CN 201610096521A CN 105847184 A CN105847184 A CN 105847184A
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- request
- network
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- network request
- caching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
- H04L47/765—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the end-points
Abstract
The invention discloses a network request method for an android operation system. The method comprises following steps of step 110, setting network timeout parameters, wherein the network timeout parameters comprises max Retry Num and initial timeout; step 120, sending a network request according to the network timeout parameters; step 130, determining that the network request of this time is time out if the request result of the network request is still not received when timeout of this time arrives; step 140, executing the step 120 when the network request of this time is time out and the current number of retries does not reach the max Retry Num. The invention also discloses a network request device. The device comprises a timeout parameter setting unit, a network request sending unit, a request timeout judging unit and a retry unit. The invention also provides a network request processing system. According to the method, the device and the system, the connection timeout network request of user equipment with the android operation system can be retransmitted, and stable and convenient network access in an instable network environment can be realized.
Description
Technical field
The present invention relates to network transmission technology, particularly relate to a kind of net for android operating system
Network requesting method and device.
Background technology
For using the smart machine of android operating system, access the server on network or other
Equipment is important user's request.
When carrying out network request, even if in the case of network state is reasonable, it is also possible to due to respectively
Plant the reason of various kinds, the reasons such as the most a certain particular moment unstable networks, server are unstable, go out
The situation that existing network request is abnormal, it is therefore desirable in the case of primary network is asked unsuccessfully, is spaced one
Short time repeats network request, to avoid because unstable networks causes obtaining data
Problem.
At present, use the subscriber equipment of android operating system for the access of network be all directly from
Network Capture, and do not have retry mechanism, once network goes wrong, and user can only refresh or again
Connect network so that request time extends, response speed is slow, and user operation is the most loaded down with trivial details.
It addition, after getting data by network request, many times, obtain same a
Data may need to be realized by repeatedly network request, so can cause subscriber equipment (such as hands
Machine) flow waste.
Summary of the invention
For the defect of prior art, it is an object of the invention to provide one can operate at android
The method and apparatus that network request repeats to send and cache request results is realized under system.
The invention provides a kind of network request method for android operating system, described method
Comprising the following steps: step 110, setting network timeout parameter, described network timeout parameter includes
Big request number of times, first time-out time;Step 120, according to network timeout parameter, sending network please
Ask;Step 130, when reaching this time-out time and not receiving yet the request results of network request, then this
Secondary network request timed out;Step 140, when this network request time-out and current number of retries are not up to
During largest request number of times, then perform step 120.
Preferably, described method also includes step 150: when the network request retransmitted obtains request knot
Really, described request results is stored in caching.
Preferably, in step 130, when request sender receive content that request recipient sends without
During change notification message, obtain request results the most in the buffer.
Preferably, step 150 includes:
When the size of request results obtained exceedes the free space in caching, remove in caching
The content of storage, stores new request results in caching.
Preferably, step 120 includes: calculate this time-out time according to previous time-out time, will
This time-out time adds this network request and sends this network request.
Present invention also offers a kind of network request device for android operating system, described dress
Put and include timeout parameter setup unit, network request transmitting element, request timed out judging unit, weight
Examination unit.Wherein: timeout parameter setup unit is used for setting network timeout parameter;Network request is sent out
Send unit for sending network request;Request timed out judging unit is for when exceeding this time-out time
The request results not receiving network request yet judges this network request time-out;Retry unit for working as
When this time network request time-out and current number of retries are not up to largest request number of times, then notify network
Request transmitting unit retransmits network request.
Preferably, described device also includes content caching unit, and described content caching unit is used for will
Described request results stores in caching.
Preferably, request timed out judging unit is for sending out when request sender receives request recipient
Request results is obtained in the buffer during the unchanged notification message of content sent.
Preferably, content caching unit is for exceeding in caching when the size of the request results obtained
Remove the content stored in caching during free space, and new request results is stored in caching.
Preferably, network request transmitting element includes Time Calculation module, described Time Calculation module
Calculate this time-out time according to previous time-out time, and this time-out time is added this network
Request.
Present invention also offers a kind of network request processing system for android operating system, institute
The system of stating includes server, network request device for android operating system, wherein: service
Device is for receiving the network request that network request transmitting element sends.
Preferably, receive, when network request device, the unchanged notification message of content that server sends
Time, then in the caching of network request device, obtain request results.
Relative to prior art, use technical scheme, it is possible to having android operation
The subscriber equipment of system connects the network request of time-out and retransmits so that unstable in network environment
In the case of realize stable, easily network access.
And by the caching to network request result so that user can obtain the most quickly
Web content.
Accompanying drawing explanation
Fig. 1 is the network request in a kind of detailed description of the invention of the present invention for android operating system
The flow chart of method;
Fig. 2 is the network request in a kind of detailed description of the invention of the present invention for android operating system
The structured flowchart of device;
Fig. 3 is the network request in a kind of detailed description of the invention of the present invention for android operating system
The structured flowchart of system.
Detailed description of the invention
It is provided with retransmission mechanism in the present invention, retransmits for sending the network request of time-out,
Some networks produced due to network environment fluctuation so can be avoided to access unsuccessfully.Further, at this
The request results received can be deposited in the buffer by invention, such that it is able to more quickly to sending out
The user going out network request provides content.
Fig. 1 is the network request in a kind of detailed description of the invention of the present invention for android operating system
The flow chart of method.As shown in the figure:
Step 110: setting network timeout parameter, described network timeout parameter can include largest request
Number of times, first time-out time.Described network timeout parameter is at subsequent retransmissions net for subscriber equipment
Parameter required during network request.
Largest request number of times refers to that the recipient of the sending direction network request of network request retransmits network
The maximum times of request, the determination of described maximum times needs to take into account the stability obtaining data with fast
Victory.To obtaining the time that content is failed after time-out time refers to send network request for the first time first,
Time-out time could be arranged to reasonable time interval first, enough to connect network and to ask corresponding
Content.
Step 120: send network request according to network timeout parameter.Described network request generally by with
Certain in network of family equipment (such as mobile phone, PAD, intelligent router, intelligent television etc.)
Server sends, it is also possible to sent by other network equipments in network of subscriber equipment.
Network request can send based on relevant procotol, such as by HTTP, SSL,
The protocol transmission such as DHCP.As a example by user mobile phone terminal based on Android operation system, application
Often needing mutual with server end, cell-phone customer terminal needs to send network request, network request
Synchronization request, Asynchronous Request, GET request, POST request etc. can be included.
Step 130: when exceeding this time-out time and do not receive yet the request results of network request, then this
Secondary network request timed out.After sending network request, start to monitor whether to receive server end or other
The request results that request recipient returns.If received not yet beyond this time-out time set
Request results, then it is assumed that this time request timed out.Such as, this time-out time is 5 seconds, if then 5
Request results is not received, then it is assumed that this time request timed out in second.
In preferred embodiment, in the step 120, this is calculated according to previous time-out time
Secondary time-out time, sends network request.In this embodiment, if be provided with at request timed out
In the case of can repeatedly retransmit network request, then the time-out time of network request can be not every time
With.In one embodiment, in step 110, network timeout parameter can also include surpassing
Time time multiplying factor, i.e. after the time-out time of primary network request take advantage of equal to a front time-out time
With time-out time multiplying factor.Such as, arranging time-out time multiplying factor is 2, and previous network please
The time-out time asked is 5 seconds, then, after this time retransmitting network request, the time-out time of request is 10 seconds.
Step 140: when this network request time-out and current number of retries are not up to largest request number of times
Time, then perform step 120.After sending network request, it is required to record the number of times retried every time.
As it was previously stated, in the case of arranging and repeatedly can sending network request, occurring the network please every time
In the case of seeking time-out, need according to step 110 arrange largest request number of times, to the need of
Retransmit network request to judge.Such as, in step 110, already provided with largest request time
Number is 5 times, and current network request transmission times is 4 times, then can also carry out network request
Send.If having reached largest request number of times, then stop sending network request in step 145.
In a preferred embodiment, described network request method also includes step 150: work as transmission
Network request obtain request results, described request results is stored caching in.This area skill
Art personnel are appreciated that after subscriber equipment sends one or many network request, it is possible to receive
The request results (such as web page contents etc.) fed back to recipient's (such as server) of network request.
The request results received can be stored in by sender's (mobile phone of such as user) of network request
Among the caching of ustomer premises access equipment, described caching can be subscriber equipment its memory (such as hands
The memorizer of machine self) in buffer area, it is also possible to external memory storage (the such as hands of subscriber equipment
Extension storage card on machine) in memorizer.
Based on above-mentioned preferred implementation, in request sender receives request recipient's transmission
When holding unchanged notification message, obtain request results the most in the buffer.Such as, service is being obtained
After the web page contents of device feedback, described web page contents is stored in the caching of subscriber equipment.When asking
When asking sender to send network request to request recipient, request recipient records request sender
ID and this request time, between this request and last time request time, the content of request without
During change, described request recipient can send a notification message to request sender.Request sender
After receiving described notification message, then that directly inquires about from caching that last time, network request obtained please
Seek result, be the result of this network request requirement with this request results.
In a preferred embodiment, step 150 also includes:
When the size of request results obtained exceedes the free space in caching, remove in caching
The content of storage, stores new request results in caching.For the caching mentioned in the present invention,
Owing to it is that to have the access of certain capacity interval, it is therefore desirable to need storage request results and
The size of caching calculates, and before might have stored in caching, other data of caching, therefore can
Take certain capacity, if therefore the off-capacity of caching is to store this request results, then exist
This step removes the content stored in caching.The content removed can be whole interior in caching
Hold, it is also possible to the most only remove the request results of one or many earliest, and it is near to retain other
The request results of phase storage.
The network request for android operating system is specifically illustrated in following specific embodiment
Method:
First, three important parameter largest request number of times maxRetryNum are set, ask first
Time-out time initialTimeout, time-out time multiplying factor multiplier.Such as: initialTimeout
Being 5s, multiplier is 2, then time-out time when second time retries is exactly 10s.
2. when retrying every time, calculate current number of retries, contrast with maxRetryNum, to sentence
Whether disconnected this retries beyond maximum reattempt times, when this retries without departing from maximum reattempt times,
Retransmit network request.
3. before every time retransmitting network request, utilize first request timed out time and time-out time multiple because of
Son calculates the time-out time of this request.
4., when getting request results, call put (String key, the Entry of DiskBasedCache
Entry) method, joins request results in caching.
5., when cache size exceedes the upper limit, call the remove (String key) of DiskBasedCache
Method removes the content in caching.
6., when during request results is already in caching, call the get (String of DiskBasedCache
Key) method obtains request results.
In another embodiment, by following steps, record number of retries, and judge whether to need
Retry:
A. when request, during the request that arranged by time-out time connects, when beyond this time, request
Terminate;
B. read and retry request number of times, and make comparisons with current the most number of retries;
If c. current number of retries is less than the request number of times arranged, then re-start network request;
D. step a is repeated.
In another embodiment, through the following steps, it is achieved obtain response data, and will respond
Data buffer storage:
Request sender (such as user mobile phone) is if obtain network response within time-out time
Data (i.e. request results), the most then resolution response data;
Head response after resolving, response body store in the storage card caching of this locality;
Then carry out network request, and unique mark deviceID of request sender is passed to request
Recipient's (such as server);When receiving network request, request recipient can record request every time
Time;
If the content of service end does not change when primary network request and network request last time,
Return and represent the unconverted message of content;
If request sender receives message, then between explanation Twice requests, request recipient is upper corresponding
Data be not changed in, request sender can from caching read the data that previous request obtains;
If between twice network request, the request content on request recipient there occurs change, so
Then return new content to request sender;Request sender receives described new content, and updates
Request results in caching;
Display to the user that new request results.
In another embodiment, go size if data cached beyond caching, then pass through following steps
Remove old data:
When adding request results in caching, check current cache size every time;
If current cache size limits beyond caching plus this data cached size, then calculating should
When the buffer memory capacity removed;
Check the size of the oldest each bar caching, and remove the oldest caching of respective numbers, so that meet should
When the buffer memory capacity removed;
New request results is stored in caching.
Correspondingly, present invention also offers a kind of network request device for android operating system
200.As in figure 2 it is shown, described device includes that timeout parameter setup unit 210, network request send
Unit 220, request timed out judging unit 230, retry unit 240.Wherein:
Timeout parameter setup unit 210 is for setting network timeout parameter.Network request transmitting element
220 for sending network request according to network timeout parameter.Request timed out judging unit 230 is for working as
Reach this time-out time not receive the request results of network request yet and judge that this network request surpasses
Time.Retry unit 240 for when this network request time-out and current number of retries are not less than maximum
During request number of times, then perform step 120.
In a preferred embodiment, described device also includes request results buffer unit 250, please
Ask result cache unit 250 for getting request results when the network request retransmitted, ask described
Result is asked to store in caching.
In a preferred embodiment, described device also includes content caching unit 260, described interior
Hold buffer unit 260 for described request results being stored in caching.
In a preferred embodiment, request timed out judging unit is for receiving as request sender
To request recipient send content unchanged notification message time obtain request results in the buffer.
In a preferred embodiment, content caching unit is for working as the big of the request results of acquisition
Little exceed in caching free space time remove the content stored in caching, and by new request knot
Fruit stores in caching.
In a preferred embodiment, network request transmitting element includes Time Calculation module, institute
State Time Calculation module and calculate this time-out time according to previous time-out time, and during by this time-out
Between add this network request.
It will be understood by those skilled in the art that the unit in network request device 200, mould
Block office can be realized by the software program performing correlation method step.
Correspondingly, present invention also offers a kind of network request for android operating system to process
System.As it is shown on figure 3, described system includes server 300, for android operating system
Network request device 200, wherein: server 300 is for receiving what network request transmitting element sent
Network request.The described network request device for android operating system has been described above carrying out
Describe, do not repeat them here.
Wherein, server is the equipment sending network request for receiving network request device, service
Device is communicated to connect with network request device by wired or wireless network.
In a kind of wired implementations, when network request device receives the content that server sends
During unchanged notification message, then in the caching of network request device, obtain request results.Described please
Seeking result is the result obtained in front primary network is asked, owing to counting accordingly on server
Be not changed between twice network request according to content, therefore network request device directly from self
Caching reads.Substantially increase processing speed and convenience.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all
Within protection scope of the present invention should being included in.
Claims (12)
1. the network request method for android operating system, it is characterised in that described
Method comprises the following steps:
Step 110, setting network timeout parameter, described network timeout parameter include largest request number of times,
Time-out time first;
Step 120, according to network timeout parameter, sends network request;
Step 130, when reaching this time-out time and not receiving yet the request results of network request, then this
Secondary network request timed out;
Step 140, when this network request time-out and current number of retries are not up to largest request number of times
Time, then perform step 120.
Method the most according to claim 1, described method also includes step 150: work as repeating transmission
Network request obtain request results, described request results is stored caching in.
Method the most according to claim 2, it is characterised in that in step 130, works as request
When sender receives the content unchanged notification message that request recipient sends, obtain the most in the buffer
Take request results.
Method the most according to claim 3, it is characterised in that step 150 includes:
When the size of request results obtained exceedes the free space in caching, remove in caching
The content of storage, stores new request results in caching.
Method the most according to claim 4, it is characterised in that step 120 includes: according to
Previous time-out time calculates this time-out time, and this time-out time is added this network request also
Send this network request.
6. the network request device for android operating system, it is characterised in that described
Device include timeout parameter setup unit, network request transmitting element, request timed out judging unit,
Retry unit, wherein:
Timeout parameter setup unit is used for setting network timeout parameter;
Network request transmitting element is used for sending network request;
Request timed out judging unit does not receives asking of network request yet for exceeding this time-out time
Result is asked to judge this network request time-out;
Retry unit for being not up to largest request when this network request time-out and current number of retries
During number of times, then notice network request transmitting element retransmits network request.
Device the most according to claim 6, it is characterised in that described device also includes content
Buffer unit, described content caching unit is for storing described request results in caching.
Device the most according to claim 7, it is characterised in that request timed out judging unit is used
At caching when receive the unchanged notification message of content of request recipient's transmission as request sender
Middle acquisition request results.
Device the most according to claim 8, it is characterised in that content caching unit is for working as
The size of request results obtained removes stored in caching interior when exceeding the free space in caching
Hold, and new request results is stored in caching.
Device the most according to claim 9, it is characterised in that network request transmitting element
Including Time Calculation module, described Time Calculation module calculates this time-out according to previous time-out time
Time, and this time-out time is added this network request.
11. 1 kinds of network request processing systems for android operating system, it is characterised in that
Described system include server, as described in claim 6-10 for android operating system
Network request device, wherein: the network that server sends for receiving network request transmitting element please
Ask.
12. systems according to claim 11, it is characterised in that when network request device connects
When receiving the unchanged notification message of content that server sends, then in the caching of network request device
Obtain request results.
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