CN109039518A - The ntp server address intelligent management of Android television system - Google Patents
The ntp server address intelligent management of Android television system Download PDFInfo
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- CN109039518A CN109039518A CN201810955076.8A CN201810955076A CN109039518A CN 109039518 A CN109039518 A CN 109039518A CN 201810955076 A CN201810955076 A CN 201810955076A CN 109039518 A CN109039518 A CN 109039518A
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
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Abstract
The invention discloses a kind of ntp server address intelligent managements of Android television system, after system start-up, the common address of ntp server is added in a profile list and is managed, timing by starting running background detects ordered thread, ntp server address in list is rearranged by the length of Connection Time and the quality of delay performance, it finds out and connects the shortest ntp server address in available server address, the default address used when as NTP simultaneously operating, and the priority of ntp server address is set as highest.The ntp server address intelligent management of Android television system of the invention can realize find out response it is most fast, postpone the smallest optimal N TP server address, TV enabled to be synchronized to system time faster, the user experience being optimal.
Description
Technical field
The present invention relates to Internet technical field, in particular to the ntp server address of Android television system is intelligently managed
Reason method.
Background technique
With the fast development of smart machine, network connection has become its essential standard configuration function of each smart machine
Energy；Due to the presence of network function, there are many data that can all obtain in real time by network function, such as present television system, by
In not having RTC power management function, system time can not be saved after a loss of power, thus after booting powers on must by network come
NTP time synchronization is carried out, accurately to obtain the real-time system time.
Current smart television has the following problems and defect:
Since current tv product is not with the RTC chip of holding time information, therefore first after TV powers on every time
Thing is exactly to need to obtain present system time, it is therefore necessary to by, come acquisition time information, carrying out the time from ntp server
Synchronization action.But now with many ntp servers, there are domain name failures or Temporarily Closed state, so will lead to connection clothes
The phenomenon that business device failure, it is therefore desirable to the domain name that some common ntp servers are safeguarded by a kind of mechanism, thus to guarantee
Booting can successfully get system time information every time；
Simultaneously as when carrying out NTP network connection acquisition network time, or due to the ntp server address of connection
More mixed and disorderly, none official site fixed is managed, so the case where some websites can be often good or bad；Or
Some ntp server websites connection Network status is poor, and delay is big, it is also necessary to use other websites instead to carry out time synchronization.
It, can be within some time all when carrying out network time synchronization when such as there is the above problem, after electrically activating on TV
Can not successful connection, user cannot obtain accurate system time in time, seriously affect related to system time in television system
Module work normally；In terms of user perspective, if cannot show correct system time for a long time, also strong influence is used
Family experience.
Summary of the invention
It is insufficient in above-mentioned background technique the purpose of the present invention is overcoming, the ntp server of Android television system is provided
Location intelligent management detects ordered thread by the timing of running background, when to the ntp server address in list by connection
Between length and the quality of delay performance rearranged, so that NTP network time synchronization process is fast and accurately obtained
And system time is set, so that television terminal be made to be successfully connected to available ntp server website, and find the Connection Time most
Fast ntp server embodies the timeliness feature of NTP time synchronization, is conducive to promote user satisfaction.
In order to reach above-mentioned technical effect, the present invention takes following technical scheme:
The ntp server address intelligent management of Android television system, specifically includes: after system start-up,
The common address of ntp server is added in a profile list and is managed, and the timing by starting running background is examined
Ordered thread is surveyed, the ntp server address in list is arranged again by the length of Connection Time and the quality of delay performance
Column, find out and connect the shortest ntp server address in available server address, as NTP simultaneously operating
When the default address that uses, and the priority of ntp server address is set as highest；
The ntp server address intelligent management of Android television system of the invention can start in linux system
Cheng Hou completes the synchronization that the NTP time is carried out after the connecting moves of network, and this process is and android system task parallelism
Processing, meanwhile, it can also be achieved the ntp server default address saved in dynamic management data library, it, can be preferential after system boot
Start this timing detection ordered thread, thread can carry out the ntp server saved in the sqlite database in smart television
Connection Time optimal performance is detected and is sorted, i.e., starts timing detection ordered thread on backstage, periodically to ntp server
Address carries out the management of priority, and the Connection Time is short, postpones small server address and is saved in database, as priority
Highest default address；And external ntp server address configuration file is increased in NTP time management service, it is final real
It is most fast now to find out response, postpones the smallest optimal N TP server address, TV is enabled to be synchronized to system time faster,
The user experience being optimal, meanwhile, the list address of above-mentioned ntp server, user can be added or be modified manually, be checked
Best ntp server can be compared by the information of the system time got on observation television terminal interface.
Further, following below scheme is specifically included:
A. after system starting, available network environment is established by the quick connection scheme of network；
B. it enables timing detection ordered thread all ntp server addresses in list are tested and arranged；
C. it is saved in database shortest ntp server of taking time is connected in above-mentioned detection, so that next time carries out
It is used when time synchronization；
D. activation system network service processes, detect network state change and connect by when carry out NTP connection, with
The synchronizing network time.
Further, during the step D synchronizing network time, NTP service specifically is carried out by following step
The selection course of device；
S1. ntp server address is first obtained from database and carries out NTP connection, and successful connection carries out time synchronization；
If S2. connection failure in step S1, ntp server address list is obtained from exterior arrangement file and carries out NTP
Connection, successful connection carry out time synchronization；
If S3. connection failure in step S2, detects several ntp server locations column fixed in program and carries out NTP connection,
Successful connection carries out time synchronization；
S4. after success synchronization time, then the system time currently obtained is set, and the NTP being currently successfully connected is serviced
Device address is saved in database.
Further, the step A is specifically included:
A1. it after system starting, is driven by loading equipemtn, network is carried out according to network type and is quickly connected；
If A2. current network type is wireless network, A3 is entered step, otherwise, is directly entered step A4；
A3. loading equipemtn drives, and starting wpa_supplicant carries out wireless network authentication, enters step after authenticating successfully
A4；
A4. dhcp is carried out to obtain network IP and the successful system property of network connection is arranged.
Further, the step B is specifically included:
B1. the profile list is added in common ntp server address；
B2. the transmission of the ntp server address into above-mentioned the profile list is communicated by socket and follows Network Time Protocol
Message request packet, to judge the connectivity of this server address, to determine whether this server address can be used；
B3. it records and is connect with available server and response process the time it takes, and be compared, by configuration file
Spend the time by as little as more or by up to being arranged less when ntp server address in list is to connect.
Further, the step C is specifically included:
C1. it finds out the shortest ntp server is connected in the ntp server that can be connected in the profile list
Location；
C2. the ntp server address for meeting condition obtained in step C1 is recorded in database, is requested as NTP
Default address, and its highest priority is set.
Further, further include time management service in step E:Android system to NTP simultaneously operating:
E1. the broadcast of registered network state change just carries out NTP simultaneously operating after discovery is connected to the network successfully；
E2. it is connected to the network after successfully time management service receives broadcast, first inquires NTP network time synchronization state；
If E3. NTP network time, synchronized mistake or other processes synchronized, do not need to carry out the time again
It is synchronous；
If E4. NTP network time does not synchronize, return step D carries out time synchronization operation.
Compared with prior art, the present invention have it is below the utility model has the advantages that
The ntp server address intelligent management of Android television system of the invention starts simultaneously in linux system
The synchronization of NTP time is carried out after completing the connecting moves of network, and it is silent dynamically to manage the ntp server saved in database
Recognize address, while increasing external ntp server address configuration file in NTP time management service, is found out to play
Response is most fast, postpones the smallest optimal N TP server address, enables TV to be synchronized to system time faster, be optimal
User experience, it is final realize that television startup powers on after, be connected to the network in successful situation, network time can be synchronized to quickly,
Correct system time is obtained, previous NTP network time synchronization is compared, substantially increase the reliability of its connection and is shortened same
Walk the time obtained.
Detailed description of the invention
Fig. 1 is the system time synchronization processing flow schematic diagram carried out before intelligent management to ntp server address；
Fig. 2 is the flow diagram of the ntp server address intelligent management of Android television system of the invention.
Specific embodiment
Below with reference to the embodiment of the present invention, the invention will be further elaborated.
Embodiment:
As shown in Figure 1, carrying out the main flow of the synchronization of system time in the prior art are as follows:
Step 1: will start network service, and be connected to the network after android system starting；
Step 2: the successful state broadcast message of a network can be sent after being connected to the network successfully；
Step 3: receive after the successful message of network connection can be into for the system time management service in android system
The operation of row NTP time synchronization；
Step 4: the address of service NTP that can read default from database first carries out when carrying out NTP message request
Connection；
Step 5: the address of service default NTP read in above-mentioned database be always maintained at it is constant, if meeting after connection failure
Cured several addresses are attached trial from program；
Step 6: carrying out network time synchronization if successful connection, system time is changed；Next time is waited if failure
The operation of primary identical process is carried out after the variation of network state again.
It is mainly had the problem that in above-mentioned process flow
First, in above-mentioned process, the movement due to carrying out network time synchronization is the clothes in android system time management
It carries out in business, so the opportunity of NTP service synchronization time only waits android system process just to can be carried out after the completion, opens
The overlong time of NTP time synchronization is carried out after machine, opportunity is improper.
Second, ntp server address to be connected is always maintained at constant, will not dynamically update；Once if server
If address failure or network condition difference, it also will do it unnecessary connection and attempt, waste the time of a fixed length.
As shown in Fig. 2, the detailed reality of the ntp server address intelligent management of Android television system of the invention
Apply step.
A. it is connected to the network after system boot powers on:
It after A1.Linux system start completion, is driven by loading equipemtn, network is carried out according to network type and is quickly connected:
If A2. current network type is wireless network, A3 is entered step, otherwise, is directly entered step A4；
A3. loading equipemtn drives, and starting wpa_supplicant carries out wireless network authentication, enters step after authenticating successfully
A4；
A4. dhcp is carried out to obtain network IP and the successful system property of network connection is arranged；
B. ordered thread is detected on starting periodically backstage:
After being connected to the network successfully, (this thread is cycling service to starting backstage detection ordered thread, and the settable period is
1 day or 1 week)；
B1. the profile list is added in some common ntp server addresses；
B2. the ntp server address (fixed port 123) into above-mentioned the profile list is communicated by socket,
The message request packet for following Network Time Protocol is sent, to judge the connectivity of this server address, whether to determine this server address
It can use；
B3. it re-records down and is connect with available server and response process the time it takes, and be compared, it will configuration text
Spend the time by as little as more or by up to being arranged less when ntp server address in part list is to connect.
C. it is saved in database shortest ntp server of taking time is connected in above-mentioned detection, so that next time carries out
It is used when time synchronization
C1. it finds out and connects that the shortest ntp server address in the ntp server that can be connected to；
C2. the ntp server address for meeting condition in upper step C1 is recorded in database, the default as NTP request
Address, and its highest priority is set；
D carries out the operation of NTP time synchronization, changes system time
D1. the ntp server address that default is first taken out from database, carries out network time synchronization operation；
If D2. synchronizing success, system time is modified；NTP network time synchronization result；And correlated condition is modified, so as to
With other Process Synchronizations；
If D3. synchronization failure, the connection carried out one by one is read from the profile list and is attempted, until synchronizing success
After terminate；NTP that successful address NTP is synchronized simultaneously to be saved in as new default address in database, so as to next time
Connection synchronization time；
If D4. the profile list synchronization failure, it tries fixed several ntp server addresses in linker, directly
Successfully terminate afterwards to synchronizing；NTP that successful address NTP is synchronized simultaneously to be saved in database as newly acquiescently
Location, so as to connection next synchronization time；
Time management service is to NTP simultaneously operating in E.Android system
E1. the broadcast of registered network state change just carries out NTP simultaneously operating after being connected to the network successfully with consequence discovery；
E2. after being connected to the network successfully, after this service receives broadcast, the current operation of nNtpStatus NTP is first inquired
State:
If E3. nNtpStatus==0, then it represents that NTP network time is synchronized have been crossed or other processes are carrying out
It is synchronous, it does not need to carry out time synchronization again；
If E4. nNtpStatus==-1, then it represents that NTP network time does not synchronize, then carries out time synchronization operation；
E5. the process of time synchronization is carried out in step E4 with specific reference to step D.
From the foregoing, it will be observed that the main improvement of the ntp server address intelligent management of Android television system of the invention
Point includes the following:
First, after linux system start completion, the synchronization that the NTP time is carried out after the connecting moves of network is completed, and
This process is handled with android system task parallelism；
Second, the ntp server default address saved in dynamic management data library.
After system boot, it can preferentially start this timing detection ordered thread, thread can be to the sqlite number in smart television
It is attached time optimal performance according to the ntp server saved in library to be detected and sorted, this database is android system
What system carried, and also save the other configurations parameter of system.
Start timing detection ordered thread on backstage, the management of priority is periodically carried out to ntp server address, even
It connects that the time is short, postpones small server address and be saved in database.
The principle for specifically determining that the Connection Time is short, delay is small in the present embodiment is: by sending to ntp server
The connection of UDP packet, calculates the length of time that ntp server responds UDP packet, most fast ntp server is responded to compare, as excellent
The first highest default address of grade.
Third increases external ntp server address configuration file in NTP time management service.
Only there are two types of sources for current ntp server address: one is the default address in database, the other is in journey
The several addresses being fixed in sequence, these all lack flexibility, and dynamic does not update, and can realize by means of the present invention pair
The flexible management dynamic of ntp server address updates.
And the list address of above-mentioned ntp server, user can be added or be modified manually, check best NTP service
Device can be compared by the information of the system time got on observation television terminal interface.
Method of the invention can realize find out response it is most fast, postpone the smallest optimal N TP server address, so that TV
It can be synchronized to system time faster, the user experience being optimal after improvement through the invention, is powered in television startup
Afterwards, it is connected to the network in successful situation, network time can be synchronized to quickly, obtain correct system time, compare previous NTP net
Network time synchronization substantially increases the time of the reliability acquisition synchronous with shortening of its connection.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (7)
- The ntp server address intelligent management of 1.Android television system, which is characterized in that specifically include: being opened in system After dynamic, the common address of ntp server is added in a profile list and is managed, passes through starting running background Timing detection ordered thread is carried out the ntp server address in list by the length of Connection Time and the quality of delay performance It rearranges, finds out and connect the shortest ntp server address in available server address, it is same as NTP The default address used when step operation, and the priority of ntp server address is set as highest.
- 2. the ntp server address intelligent management of Android television system according to claim 1, feature exist In specifically including following below scheme:A. after system starting, available network environment is established by the quick connection scheme of network；B. it enables timing detection ordered thread all ntp server addresses in list are tested and arranged；C. it is saved in database shortest ntp server of taking time is connected in above-mentioned detection, so that next time carries out the time It is used when synchronous；D. activation system network service processes, detect network state change and connect by when carry out NTP connection, with synchronization Network time.
- 3. the ntp server address intelligent management of Android television system according to claim 2, feature exist During the step D synchronizing network time, specifically by the selection course of following step progress ntp server；S1. ntp server address is first obtained from database and carries out NTP connection, and successful connection carries out time synchronization；If S2. connection failure in step S1, ntp server address list is obtained from exterior arrangement file and carries out NTP connection, Successful connection carries out time synchronization；If S3. connection failure in step S2, detects several ntp server locations column fixed in program and carry out NTP connection, connection Success carries out time synchronization；S4. after success synchronization time, then the system time currently obtained is set, and the ntp server being currently successfully connected Location is saved in database.
- 4. the ntp server address intelligent management of Android television system according to claim 2, feature exist In the step A is specifically included:A1. it after system starting, is driven by loading equipemtn, network is carried out according to network type and is quickly connected；If A2. current network type is wireless network, A3 is entered step, otherwise, is directly entered step A4；A3. loading equipemtn drives, and starting wpa_supplicant carries out wireless network authentication, and step A4 is entered after authenticating successfully；A4. dhcp is carried out to obtain network IP and the successful system property of network connection is arranged.
- 5. the ntp server address intelligent management of Android television system according to claim 4, feature exist In the step B is specifically included:B1. the profile list is added in common ntp server address；B2. the message that the transmission of the ntp server address into above-mentioned the profile list follows Network Time Protocol is communicated by socket Request packet, to judge the connectivity of this server address, to determine whether this server address can be used；B3. it records and is connect with available server and response process the time it takes, and be compared, by the profile list In ntp server address to connect when spend the time by as little as more or by up to being arranged less.
- 6. the ntp server address intelligent management of Android television system according to claim 5, feature exist In the step C is specifically included:C1. it finds out and connects the shortest ntp server address in the ntp server that can be connected in the profile list；C2. the ntp server address for meeting condition obtained in step C1 is recorded in database, as the silent of NTP request Recognize address, and its highest priority is set.
- 7. the ntp server address intelligent management of Android television system according to claim 2, feature exist In further including the time management service in step E:Android system to NTP simultaneously operating:E1. the broadcast of registered network state change just carries out NTP simultaneously operating after discovery is connected to the network successfully；E2. it is connected to the network after successfully time management service receives broadcast, first inquires NTP network time synchronization state；If E3. NTP network time, synchronized mistake or other processes synchronized, do not need to carry out the time again same Step；If E4. NTP network time does not synchronize, return step D carries out time synchronization operation.
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| CN109039518B (en) | 2019-11-05 |
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