CN104660992B - Video goes offline reconnecting system and method - Google Patents
Video goes offline reconnecting system and method Download PDFInfo
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Abstract
The present invention provides a kind of video and gone offline reconnecting system, including：Message monitoring unit, timing reconnection unit, task scheduling unit and task executing units；Message monitoring unit is used to receive the message that video development SDK is sent and be parsed, when the message received is network preview failed message, then produce and the scheduler task of a preservation device numbering is sent to task scheduling unit, be put into and treated in preview queue by the task scheduling unit monitoring device numbering that will go offline；When the message received is alarm reconnection success message, then produces the scheduler task of an execution video reconnection and be sent to task scheduling unit；Timing reconnection unit is used to periodically perform video reconnection task, and reconnection schedule information is sent into task scheduling unit.Task scheduling unit is used to receive the mission bit stream that message monitoring unit is sent and performs corresponding operation task, receives the reconnection schedule information that timing reconnection unit is sent.The present invention improves video and gone offline the comprehensive and real-time of reconnection.
Description
Technical field
The present invention relates to field of video monitoring, more particularly to a kind of it can efficiently realize that video goes offline the side of reconnection comprehensively
Method.
Background technology
With the development of society, requirement of the people to safety precaution increasingly improves, video monitoring turns into most important peace
One of anti-means.With the increasingly increase and the gradual expansion of monitoring system of monitoring device, the stability of communication network is whole
Monitoring system is able to the important leverage of normal operation.Since however, being related to communication network, then asking for net drop is certainly existed
Topic, the particularly rapid popularization of various sexual development recently as communication network type, especially wireless communication technology, its is steady
The qualitative level for being still unable to reach conventional wireline communication.Therefore, how when communication network goes wrong, i.e., monitoring device goes offline
Afterwards, by providing efficient reconnection mechanism comprehensively in video monitoring system so that the video monitoring work(when network recovery is normal
Also it can automatically recover normal, so as to improve the abnormal restoring ability of monitoring system and Consumer's Experience, it has also become one need solve
Certainly the problem of.
For above-mentioned monitoring device disconnection, although most of video monitoring manufacturer is in its video development SDK
A kind of detection network abnormal situation is provided in (Software Development Kit SDKs) and is carried out certainly
The function of dynamic reconnection, but such way is only limitted to after just net drop is detected in the video monitoring equipment of preview, progress
Periodicity reconnection operation, until network recovery is normal.In the case of just suspension being had occurred and that before video preview operation is carried out,
The video that preview failure before being allowed to can be still able to after network recovery without preferable solution automatically turns on.For example, work as
After certain communication link net drop, user is attempted to open the camera in this link, and traditional video monitoring system is being examined
It will terminate this operation because of network connection failure after measuring connection time-out, this operation information can't be preserved and in network
Preview operation is re-executed after recovery.This can cause the abnormal restoring inferior capabilities of whole monitoring system, and then cause user's body
Test the problem of poor.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of comprehensively efficient video goes offline again
Video goes offline reconnection method used by linking system and the system, for ensureing that comprehensive efficient network of video monitoring system is different
Normal recovery capability.The technical solution adopted by the present invention is：
A kind of video goes offline reconnecting system, including：Message monitoring unit, timing reconnection unit, task scheduling unit and appoint
Business execution unit；
The message monitoring unit, for receiving message that video development SDK sends and being parsed, when the message received
When being network preview failed message, then produce and the scheduler task of a preservation device numbering is sent to task scheduling unit, by
The task scheduling unit monitoring device numbering that will go offline is put into and treated in preview queue；When the message received is alarm reconnection success message
When, then produce the scheduler task of an execution video reconnection and be sent to task scheduling unit；
The timing reconnection unit, for periodically performing video reconnection task, reconnection schedule information is sent to task
Scheduling unit, so as to which all monitoring devices treated in preview queue of task scheduling unit are carried out into reconnection operation；Timing reconnection
Unit, which is controlled by, treats preview queue, treats that preview queue is changed into sky from non-NULL described in task scheduling unit, then pause is fixed
Shi Chonglian units, it is changed into non-NULL from idle running, then starts this timing reconnection unit；
The task scheduling unit, for receiving video reconnection requests and judging the request whether comprising monitoring device volume
Number；If comprising, from treating to inquire about whether include this monitoring device numbering in preview queue, if being not present, terminate this subtask,
If in the presence of by task delivery task executing units progress video reconnection operation corresponding to video reconnection requests；If not including, time
Go through and treat preview queue, extract the corresponding reconnection of each monitoring device numbering and count, if reconnection counts the threshold for exceeding defined
Value, then ignore current monitor device numbering and continue traversal and treat preview queue, if reconnection is counted not less than threshold value, by reconnection meter
Number adds 1 and the video reconnection requests for being accompanied with current monitor device numbering is sent into task executing units, and it is straight to repeat this operation
Completion has been traveled through to all devices numbering treated in preview queue；
The task executing units, for carrying out video reconnection operation after receiving video reconnection requests；Judge what is generated
Operating result, if video reconnection fails, terminate this subtask, if video reconnection success, from treating to delete this in preview queue
Video equipment is numbered and terminates this subtask..
A kind of video goes offline reconnection method, comprises the steps：
Step S101, message monitoring unit receive the message that video development SDK is reported；
Step S102, when what is received is network preview failed message, message monitoring unit obtains correspondingly from the message
The monitoring device that goes offline number and be sent to task scheduling unit, task scheduling unit will go offline monitoring device numbering be put into treat it is pre-
Look in queue；
Step S103, when what is received is alarm reconnection success message, message monitoring unit inquires institute from the message
Corresponding monitoring device numbering；And the video reconnection requests for being accompanied with monitoring device numbering are sent to task scheduling unit；
Step S104, task scheduling unit receive video reconnection requests and judge that the request bag is numbered containing monitoring device；
Step S105, task scheduling unit is from treating to inquire about whether include this monitoring device numbering in preview queue, if not depositing
Then terminating this subtask, if in the presence of by task delivery task executing units progress video weight corresponding to video reconnection requests
Even operate；
Step S106, task executing units judge generated operating result, if video reconnection fails, terminate this
Business, if video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask；
During above-mentioned steps S101~S106 is carried out, following steps are carried out simultaneously：
Step S201, treat that preview queue is changed into sky from non-NULL described in task scheduling unit, then pause timing weight
Even unit, is changed into non-NULL from idle running, then starts this timing reconnection unit；Reconnection schedule information is sent to task scheduling unit,
So as to which all monitoring devices treated in preview queue of task scheduling unit are carried out into reconnection operation；
Step S202, timing reconnection unit periodically send video reconnection requests to task scheduling unit；
Step S203, task scheduling unit receive video reconnection requests and judge not including device numbering in the request；
Step S204, task scheduling unit traversal treat preview queue, extract the corresponding reconnection of each monitoring device numbering
Count, if reconnection counts the threshold value for exceeding defined, ignore current monitor device numbering and continue traversal and treat preview queue,
If reconnection is counted not less than threshold value, by reconnection, count is incremented and will be accompanied with the video reconnection requests of current monitor device numbering
Task executing units are sent to, repeat this operation until treating that the numbering of all devices in preview queue has traveled through completion；
Step S205, task executing units carry out video reconnection operation after receiving video reconnection requests；
Step S206, task executing units judge generated operating result, if video reconnection fails, terminate this
Business, if video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask.
Further, the threshold value in step S204 takes 3 or 4.
The advantage of the invention is that：The reconnection Mechanism Design that the present invention is combined using message-driven and timed task, is carried
High video goes offline the comprehensive and real-time of reconnection, has fully ensured that the Network Abnormal recovery capability of system.In addition, timing weight
The setting of threshold value is performed in the setup rule on demand and reconnection task of company's unit, avoids system task expansion, at utmost
Ground reduces meaningless overhead.
Brief description of the drawings
Fig. 1 is the structure composition schematic diagram of the present invention.
Fig. 2 is flow chart of the method for the present invention.
Embodiment
With reference to specific drawings and examples, the invention will be further described.
The present invention provides a kind of comprehensively efficient video video used by reconnecting system and the system that goes offline and gone offline reconnection
Method, for ensureing comprehensive efficient Network Abnormal recovery capability of video monitoring system.Monitoring device as described herein is refered in particular to
Video monitoring equipment.
The video reconnecting system that goes offline is held including message monitoring unit, timing reconnection unit, task scheduling unit and task
Row unit.
The message monitoring unit, for receiving message that video development SDK sends and being parsed, when the message received
When being network preview failed message, then produce and the scheduler task of a preservation device numbering is sent to task scheduling unit, by
The task scheduling unit monitoring device numbering that will go offline is put into and treated in preview queue；When the message received is alarm reconnection success message
When, then produce the scheduler task of an execution video reconnection and be sent to task scheduling unit；
Video development SDK, can be regularly to message monitoring unit reporting message according to the network state of video monitoring system.Than
Such as when the monitoring device in network goes offline, send network preview failed message, message monitoring unit according to preview handle, from regarding
Extraction equipment is numbered in the caching of frequency monitoring system.(because can all generate a preview sentence after each preview success before
Handle, then this preview handle is put into caching together with device numbering by programmer, for extraction later.) message prison
Listen unit that the monitoring device numbering corresponding to the network preview failed message just is sent into task scheduling unit to be preserved.When
When detecting that network recovers normal again, video development SDK can then send alarm reconnection success message, and message monitoring unit is received
To after the alarm reconnection success message, just corresponding monitoring device numbering in parsing alarm reconnection success message, and finding
Monitoring device numbering be sent to task scheduling unit be used for recover preview.
The timing reconnection unit, for periodically performing video reconnection task, reconnection schedule information is sent to task
Scheduling unit, so as to which all monitoring devices treated in preview queue of task scheduling unit are carried out into reconnection operation；Timing reconnection
Unit, which is controlled by, treats preview queue, treats that preview queue is changed into sky from non-NULL described in task scheduling unit, then pause is fixed
Shi Chonglian units, it is changed into non-NULL from idle running, then starts this timing reconnection unit；
What that is whether timing reconnection unit starting depended in the task scheduling unit described treats preview queue
Whether it is empty, is changed into sky if detecting from non-NULL, suspends timing reconnection unit, be changed into non-NULL if detecting from idle running,
Start this element.
The task scheduling unit, for receiving video reconnection requests and judging the request whether comprising monitoring device volume
Number；If comprising, from treating to inquire about whether include this monitoring device numbering in preview queue, if being not present, terminate this subtask,
If in the presence of by task delivery task executing units progress video reconnection operation corresponding to video reconnection requests；If not including, time
Go through and treat preview queue, extract the corresponding reconnection of each monitoring device numbering and count, if reconnection counts the threshold for exceeding defined
Value, then ignore current monitor device numbering and continue traversal and treat preview queue, if reconnection is counted not less than threshold value, by reconnection meter
Number adds 1 and the video reconnection requests for being accompanied with current monitor device numbering is sent into task executing units, and it is straight to repeat this operation
Completion has been traveled through to all devices numbering treated in preview queue
Task scheduling unit performs different operation tasks according to the different scheduling types received.Such as when receiving video
After reconnection requests, send relevant information to task executing units and carry out video reconnection operation.Again for example when receive message prison
During the request for preserving network preview failure device numbering for listening unit to send, just this numbering is put into and treated in preview queue.Treat pre-
Queue of looking at is to wait for re-starting the monitoring device list of preview, the mapping relations that to be device numbering count with reconnection, institute
It is the reconnection number that current monitor equipment had been carried out to state reconnection counting, is initially 0.
The task executing units, the reconnection schedule information for being sent according to the task scheduling unit carry out specific
Tasks carrying is operated, and operating result is returned into task scheduling unit, that is, carries out video reconnection after receiving video reconnection requests
Operation；Judge generated operating result, if video reconnection fails, terminate this subtask, if video reconnection success, from treating
This video equipment is deleted in preview queue to number and terminate this subtask.
Such as task executing units perform the reconnection task of video and operating result are returned into the task scheduling unit.
In addition, if the reconnection task that timing reconnection unit is initiated, then in the process of implementation, to ensure that the tasks carrying of system is opened
Because of the accumulation of substantial amounts of reconnection task meaningless expansion will not occur for pin, need to be before tasks carrying from treating to look into preview queue
The reconnection for asking current device counts the threshold value for exceeding defined whether, if exceeding, this reconnection for skipping current device is appointed
Business, if without departing from count is incremented and performs reconnection task by reconnection.
Video proposed by the present invention goes offline reconnection method, and whole flow process is as shown in Fig. 2 comprise the steps：
Step S101, message monitoring unit receive the message that video development SDK is reported；
Step S102, when what is received is network preview failed message, message monitoring unit is incidental according to the message
Preview handle therefrom obtains the corresponding monitoring device that goes offline and numbers and be sent to task scheduling unit, and task scheduling unit will go offline
Monitoring device numbering, which is put into, to be treated in preview queue；
Step S103, when what is received is alarm reconnection success message, message monitoring unit is incidental according to the message
Preview handle therefrom inquires corresponding monitoring device numbering；And sent to task scheduling unit and be accompanied with monitoring device numbering
Video reconnection requests；
Step S104, task scheduling unit receive video reconnection requests and judge that the request bag is numbered containing monitoring device；
Step S105, task scheduling unit is from treating to inquire about whether include this monitoring device numbering in preview queue, if not depositing
Then terminating this subtask, if in the presence of by task delivery task executing units progress video weight corresponding to video reconnection requests
Even operate；
Step S106, task executing units judge generated operating result, if video reconnection fails, terminate this
Business, if video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask；
During above-mentioned steps S101~S106 is carried out, following steps are carried out simultaneously：
Step S201, treat that preview queue is changed into sky from non-NULL described in task scheduling unit, then pause timing weight
Even unit, is changed into non-NULL from idle running, then starts this timing reconnection unit；Reconnection schedule information is sent to task scheduling unit,
So as to which all monitoring devices treated in preview queue of task scheduling unit are carried out into reconnection operation；
Step S202, timing reconnection unit periodically send video reconnection requests, such as every 10 seconds to task scheduling unit
Clock performs once；
Step S203, task scheduling unit receive video reconnection requests and judge not including device numbering in the request；
Step S204, task scheduling unit traversal treat preview queue, extract the corresponding reconnection of each monitoring device numbering
Count, if reconnection counts the threshold value for exceeding defined, ignore current monitor device numbering and continue traversal and treat preview queue,
If reconnection is counted not less than threshold value, by reconnection, count is incremented and will be accompanied with the video reconnection requests of current monitor device numbering
Task executing units are sent to, repeat this operation until treating that the numbering of all devices in preview queue has traveled through completion；This step
In the threshold value desirable 3 or 4 that counts of reconnection.
Step S205, task executing units carry out video reconnection operation after receiving video reconnection requests；
Step S206, task executing units judge generated operating result, if video reconnection fails, terminate this
Business, if video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask.
In the above-mentioned technical solutions, the successful message of reconnection is alarmed by monitoring device to trigger holding for video reconnection task
OK, the accuracy of reconnection task in time is performed so as to improve.In addition, recover after net drop and in very short time
In the case of normal, video SDK is that will not send the successful message of alarm reconnection (because SDK does not have after network recovery
Detect that network fell line), and if just carried out the preview operation of video during this period, it is clear that no message is driven this
Monitoring device is restarted, therefore present invention adds timing reconnection unit, for solving this problem, it is this using message-driven and
The design that timed task is combined, the comprehensive and real-time of reconnection is improved, ensure that the Network Abnormal recovery capability of system.
Furthermore it is if task scheduling unit, which detects, treats that preview queue is space-time, notice timing reconnection unit is out of service, it is to be checked to measure
Treat preview queue and do not reinform its startup optimization for space-time, expense is run so as to reduce meaningless process.It is in addition, fixed to avoid
The accumulation for a large amount of reconnection tasks that Shi Chonglian units are initiated makes system can't bear the heavy load, need to be before tasks carrying from treating preview team
The reconnection that current monitor equipment is inquired about in row counts the threshold value for exceeding defined whether, if exceeding, skips current monitor and sets
Why this standby reconnection task, can make this design, be because the time that just illustrates to go offline when reconnection number is many has reached
Certain time, can conclude that this reconnection is not because being gone offline in very short time and caused by recovering, and therefore, treats that network is real
During recovery, video SDK obviously can send the alarm successful message of reconnection, carry out video reconnection again at that time, thus for
Treat that each equipment in preview queue only needs before periodicity reconnection several times, so as to avoid system task expansion, to enter
One step reduces meaningless overhead.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail bright, should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, and without the guarantor with limiting the present invention
Scope is protected, for those skilled in the art, it can still be repaiied to the involved technical scheme of this embodiment
Change, or equivalent substitution is carried out to which part technical characteristic, therefore, within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (3)
- The reconnecting system 1. a kind of video goes offline, it is characterised in that including：Message monitoring unit, timing reconnection unit, task scheduling Unit and task executing units；The message monitoring unit, for receiving message that video development SDK sends and being parsed, when the message received is net During network preview failed message, then produce and the scheduler task of a preservation device numbering is sent to task scheduling unit, by task The scheduling unit monitoring device numbering that will go offline is put into and treated in preview queue；When the message received is alarm reconnection success message, Then produce the scheduler task of an execution video reconnection and be sent to task scheduling unit；The timing reconnection unit, for periodically performing video reconnection task, reconnection schedule information is sent to task scheduling Unit, so as to which all monitoring devices treated in preview queue of task scheduling unit are carried out into reconnection operation；Timing reconnection unit It is controlled by and treats preview queue, treat that preview queue is changed into sky from non-NULL described in task scheduling unit, then pause timing weight Even unit, is changed into non-NULL from idle running, then starts this timing reconnection unit；The task scheduling unit, for receiving video reconnection requests and judging the request whether comprising monitoring device numbering； If comprising, from treating to inquire about whether include this monitoring device numbering in preview queue, if being not present, terminate this subtask, if In the presence of then by task delivery task executing units progress video reconnection operation corresponding to video reconnection requests；If not including, traversal Preview queue is treated, the corresponding reconnection of each monitoring device numbering is extracted and counts, if reconnection counts the threshold value for exceeding defined, Then ignore current monitor device numbering and continue traversal and treat preview queue, if reconnection is counted not less than threshold value, reconnection is counted Add 1 and the video reconnection requests for being accompanied with current monitor device numbering be sent to task executing units, repeat this operation until Treat that the numbering of all devices in preview queue has traveled through completion；The task executing units, for carrying out video reconnection operation after receiving video reconnection requests；Judge generated operation As a result, if video reconnection fails, this subtask is terminated, if video reconnection success, from treating to delete this video in preview queue Device numbering simultaneously terminates this subtask.
- The reconnection method 2. a kind of video goes offline, it is characterised in that comprise the steps：Step S101, message monitoring unit receive the message that video development SDK is reported；Step S102, when what is received is network preview failed message, message monitoring unit obtained from the message corresponding to fall Line monitoring device is numbered and is sent to task scheduling unit, and the task scheduling unit monitoring device numbering that will go offline is put into and treats preview team In row；Step S103, when what is received is alarm reconnection success message, message monitoring unit inquires corresponding from the message Monitoring device numbering；And the video reconnection requests for being accompanied with monitoring device numbering are sent to task scheduling unit；Step S104, task scheduling unit receive video reconnection requests and judge that the request bag is numbered containing monitoring device；Step S105, task scheduling unit is from treating to inquire about whether include this monitoring device numbering in preview queue, if being not present, Terminate this subtask, if in the presence of by task delivery task executing units progress video reconnection behaviour corresponding to video reconnection requests Make；Step S106, task executing units judge generated operating result, if video reconnection fails, terminate this subtask, If video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask；During above-mentioned steps S101~S106 is carried out, following steps are carried out simultaneously：Step S201, treat that preview queue is changed into sky from non-NULL described in task scheduling unit, then suspend timing reconnection list Member, it is changed into non-NULL from idle running, then starts this timing reconnection unit；Reconnection schedule information is sent to task scheduling unit, so as to All monitoring devices treated in preview queue of task scheduling unit are subjected to reconnection operation；Step S202, timing reconnection unit Periodically video reconnection requests are sent to task scheduling unit；Step S203, task scheduling unit receive video reconnection requests and judge not including device numbering in the request；Step S204, task scheduling unit traversal treat preview queue, extract the corresponding reconnection of each monitoring device numbering and count, If reconnection counts the threshold value for exceeding defined, ignore current monitor device numbering and continue traversal and treat preview queue, if weight Even count not less than threshold value, then by reconnection, count is incremented and sends the video reconnection requests for being accompanied with current monitor device numbering To task executing units, this operation is repeated until treating that the numbering of all devices in preview queue has traveled through completion；Step S205, task executing units carry out video reconnection operation after receiving video reconnection requests；Step S206, task executing units judge generated operating result, if video reconnection fails, terminate this subtask, If video reconnection success, deleted from when preview queue this video equipment numbering and to the end of this subtask.
- The reconnection method 3. video as claimed in claim 2 goes offline, it is characterised in thatThreshold value in step S204 takes 3 or 4.
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| CN111240859A (en) * | 2020-01-07 | 2020-06-05 | 北京达佳互联信息技术有限公司 | Data processing method, device, server and storage medium |
| CN112948600B (en) * | 2021-01-26 | 2023-06-02 | 四川天翼网络股份有限公司 | High-performance multi-protocol audio and video storage system |
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| CN103761157A (en) * | 2014-01-21 | 2014-04-30 | 国家电网公司 | Method for implementing system fault-tolerant mechanism on basis of multitask patrol strategy |
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