CN111917516A - Multi-domain signaling fast scheduling method - Google Patents
Multi-domain signaling fast scheduling method Download PDFInfo
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- CN111917516A CN111917516A CN202010782171.XA CN202010782171A CN111917516A CN 111917516 A CN111917516 A CN 111917516A CN 202010782171 A CN202010782171 A CN 202010782171A CN 111917516 A CN111917516 A CN 111917516A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
- H04L1/0031—Multiple signaling transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention discloses a multi-domain signaling fast scheduling method, and relates to the field of communication. Binding corresponding message processing entries to all accessed subordinate domains, setting a message processing mode of the subordinate domains as a slave mode, setting a message processing mode of the superior domains as a master mode, starting message rotation after setting domain IDs of the subordinate domains, and starting message receiving threads of the subordinate domains; the superior domain pre-analyzes the message after receiving the message, then processes different messages according to the type of the message, searches the environment required by the current signaling according to the parameters carried by the signaling, matches domain information according to the environment, judges a master-slave mode according to the domain-bound message processing entrance, and then processes the corresponding message. The invention intuitively improves the problem of unsmooth video playing caused by slow signaling execution; the efficiency of concurrent access of multi-domain parallel signaling is improved; under the condition of multiple domains and poor network conditions, the probability of occurrence of invalid signaling is effectively reduced.
Description
Technical Field
The invention relates to the field of communication, in particular to a multi-domain signaling fast scheduling method.
Background
With the continuous acceleration of the construction of the snow engineering, a plurality of development opportunities are brought to the development of the security industry, and a solid foundation is provided for promoting various police combat work of public security organs. New technologies such as internet of things, cloud computing and big data are gradually created and applied to the security industry, and public security video monitoring construction networking application provides basic information for more video-based deep applications, continuously promotes social management innovation, and has important strategic significance. The snow project is an important way for building a social security and prevention and control system under the 'Internet plus' environment, and is also consolidation and extension of video monitoring full-coverage projects such as skynet projects, safe cities and the like.
The interconnection and intercommunication of videos are realized, and usually, a remote video stream is transmitted to a village-town video networking platform through a network, then is forwarded to a county-level video networking platform, and finally is transmitted to a client for playing. The user realizes the scheduling signaling of real-time on-demand and control of video code streams, retrieval and playback of historical videos and the like, and the scheduling signaling is gradually issued for control. And (4) carrying out video convergence by taking villages and towns as domain units, and then uniformly converging the videos to a superior platform. Due to different infrastructure periods of each place, the network bandwidth load capacity and complexity are different, especially under the condition of a plurality of domains, the network of a single domain is not good, so that the scheduling signaling of the whole networking platform is delayed or even blocked, and the user experience effect is very poor.
When the single domain network environment is not good, the signaling of other domains is delayed and blocked; the time consumption duration is executed when multiple signaling is concurrent; the next signaling is timed out or invalid due to the delay of the previous signaling synchronization feedback result. Therefore, a fast scheduling method for multi-domain signaling is very important.
Therefore, those skilled in the art are dedicated to develop a multi-domain signaling fast scheduling method, which effectively solves the scheduling delay and blocking caused by the complexity of multi-domain and network environments, and has simple and understandable algorithm and wide application range.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to solve the problem that signaling transmission is not limited to a network environment of a certain domain; reducing the execution time of multi-signaling concurrence; the probability of invalid signaling due to signaling timeout is reduced.
In order to achieve the above object, the present invention provides a multi-domain signaling fast scheduling method, which comprises the following steps:
step 1, initialization: binding corresponding message processing entries to all accessed subordinate domains, setting message processing modes of all the subordinate domains as slave modes, setting message processing modes of the superior domains as master modes, starting message rotation after setting domain IDs of the subordinate domains, and starting message receiving threads of the subordinate domains;
step 2, message rotation: the superior domain pre-analyzes the message after receiving the message, then processes different messages according to the type of the message, searches the environment required by the current signaling according to the parameters carried by the signaling, matches domain information according to the environment, judges a master-slave mode according to the domain-bound message processing inlet, and then processes the corresponding message;
and 3, releasing the resources and ending.
Further, the step 1 comprises the following steps:
step 1.1, obtaining information of related services of a networking platform;
step 1.2, inserting the relevant service into a corresponding list after the relevant service is initialized successfully;
step 1.3, acquiring upper and lower level domain information from a database;
step 1.4, creating the lower domain formation according to the domain information, setting information such as IP, port, domain ID and the like, and initializing the lower domain;
step 1.5, inserting the subordinate domain into a domain management queue;
step 1.6, traversing all domains, setting heartbeat callback, linking subordinate domains and creating a signaling path;
step 1.7, creating a message processing module of the lower domain;
and step 1.8, obtaining the sip service information, initializing the sip service and setting parameters.
Further, the step 1.7 comprises the following steps:
step 1.7.1, creating a message processing object;
step 1.7.2, the subordinate domain binds the corresponding message processing object;
step 1.7.3, setting the working mode of the lower domain as a slave mode;
and step 1.7.4, starting message rotation and starting message receiving of the subordinate domain.
Further, the step 2 comprises the following steps:
step 2.1, checking a message receiving queue;
step 2.2, waiting for filling the message queue in a delayed manner;
step 2.3, receiving the signaling, and creating a receiving buffer;
step 2.4, obtaining the signaling from the signaling receiving buffer;
step 2.5, analyzing the signaling, checking whether the message is a stop message, and if so, executing the step 3;
step 2.6, the current message pointer is saved, data are copied, and subsequent message transmission is facilitated;
step 2.7, signaling distribution processing;
step 2.8, checking whether to play the signaling;
step 2.9, checking whether other signaling exists;
and 2.10, processing other signaling.
Further, said step 2.1 checks whether the message receiving queue is empty, if it is empty, said step 2.2 is executed, otherwise said step 2.3 is executed.
Further, the step 2.8 checks whether the signaling plays the signaling, if so, the playing processing flow is executed, otherwise, the signaling step 2.9 is executed.
Further, the playing processing flow includes the following steps:
step 2.8.1, detecting the parameter validity;
step 2.8.2, system clock checking, checking whether the client exists and whether the current equipment can operate;
step 2.8.3, acquiring camera information according to the camera ID, and acquiring the equipment ID and channel information corresponding to the camera;
step 2.8.4, acquiring the domain ID of the device;
step 2.8.5, checking the current working mode;
step 2.8.6, obtaining a domain object of the domain where the device is located;
step 2.8.7, inserting the deep copy of the current message into the corresponding lower domain message queue, and distributing the message;
step 2.8.8, establishing a current device path to obtain a forwarding address, and establishing a forwarding path;
step 2.8.9, update error status and return result, resource release.
Further, the step 2.8.1 parameter is detected for validity, and if the step 2.8.2 is executed legally, otherwise, the step 2.8.9 is executed.
Further, the step 2.8.5 checks whether the current operation mode is the master mode, if so, the step 2.8.6 is executed, otherwise, the step 2.8.8 is executed.
Further, the step 2.9 checks whether there is any other signaling, if so, the step 2.10 is executed, otherwise, the step 3 is executed.
In the preferred embodiment of the present invention, the message queue is entered and exited by a signaling type through a master-slave message queue design mode.
In another preferred embodiment of the present invention, the signaling is sent to the thread pool in a thread pool manner for fast execution.
Compared with the prior art, the invention has the following obvious substantive characteristics and obvious advantages:
1. the problem that video playing is not smooth due to slow signaling execution is intuitively solved.
2. The efficiency of concurrent access of multi-domain parallel signaling is improved.
3. Under the condition of multiple domains and poor network conditions, the probability of occurrence of invalid signaling is effectively reduced.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is an initialization flow diagram of a preferred embodiment of the present invention;
FIG. 2 is a diagram of creating a lower domain message process in accordance with a preferred embodiment of the present invention;
FIG. 3 is a message rotation flow diagram of a preferred embodiment of the present invention;
fig. 4 is a flow chart of the playing process according to a preferred embodiment of the present invention.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
The invention provides a method for rapidly scheduling multi-domain signaling. The method for rapidly scheduling the multi-domain signaling is mainly provided, and meanwhile, a certain foundation is laid for subsequent signaling processing.
And adopting a master-slave mode message queue mode, analyzing and judging the type of the signaling after receiving the signaling, and directly executing the signaling if the signaling is the local domain signaling. If not, the signaling is quickly routed to the lower level domain, thus realizing a multi-domain signaling quick scheduling method.
Step 1, initialization.
Fig. 1 shows a flowchart of initialization.
1.1) acquiring information of related services of the networking platform;
1.2) inserting the relevant service into a corresponding list after the relevant service is initialized successfully;
1.3) acquiring upper and lower level domain information from a database;
1.4) creating a lower domain formation according to the domain information, setting information such as IP, ports, domain ID and the like, and initializing a lower domain;
1.5) inserting the subordinate domain into a domain management queue;
1.6) traversing all domains, setting heartbeat callback, linking subordinate domains and creating a signaling path;
1.7) creating a message processing module of the lower domain;
the main flow of creating the lower domain message processing module as shown in fig. 2 is as follows:
1.7.1) creating a message processing object;
1.7.2) binding the corresponding message processing object in the lower domain;
1.7.3) setting the working mode of the lower domain as a slave mode;
1.7.4) message rotation, and starting message reception of the lower domain.
1.8) obtaining the sip service information, initializing the sip service and setting parameters.
And step 2, message rotation.
The flow of message rotation as shown in fig. 3 is as follows:
2.1) checking whether the message receiving queue is empty, if so, executing the step 2.2, otherwise, executing the step 2.3;
2.2) delaying to wait for filling the message queue;
2.3) signaling receiving, and creating a receiving buffer;
2.4) obtaining the signaling from the signaling receiving buffer;
2.5) analyzing the signaling, checking whether the message is a stop message, if so, executing the step 3, otherwise, executing the step 2.6;
2.6) the current message pointer is stored, data are copied, and subsequent message transmission is facilitated;
2.7) signaling distribution processing;
2.8) checking whether to play the signaling, if so, executing the step 2.8.1, otherwise, executing the step 2.9;
the flow of the playing process shown in fig. 4 is as follows:
2.8.1) parameter validity detection, if the parameter validity detection is legal, executing the step 2.8.2, otherwise executing the step 2.8.9;
2.8.2) checking a system clock, and checking whether a client exists and whether the current equipment can operate;
2.8.3) acquiring camera information according to the camera ID, and acquiring the equipment ID and channel information corresponding to the camera;
2.8.4) obtaining the domain ID of the device;
2.8.5) checking whether the current operating mode is the master mode, if so, executing step 2.8.6, otherwise, executing step 2.8.8;
2.8.6) obtaining a domain object of a domain where the device is located;
2.8.7) inserting a deep copy of the current message into the corresponding lower domain message queue (message distribution);
2.8.8) establishing a current device path to obtain a forwarding address and establishing a forwarding path;
2.8.9) updates the error status and returns the result, the resource is released.
2.9) checking whether other signaling exists, if so, executing the step 2.10, otherwise, executing the step 3;
2.10) other signaling processes.
And 3, releasing the resources and ending.
The scheme realizes the input and output of the message queue through a master-slave message queue design mode and a signaling type. The signaling is sent to the thread pool in a thread pool mode to be quickly executed.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A multi-domain signaling fast scheduling method is characterized by comprising the following steps:
step 1, initialization: binding corresponding message processing entries to all accessed subordinate domains, setting message processing modes of all the subordinate domains as slave modes, setting message processing modes of the superior domains as master modes, starting message rotation after setting domain IDs of the subordinate domains, and starting message receiving threads of the subordinate domains;
step 2, message rotation: the superior domain pre-analyzes the message after receiving the message, then processes different messages according to the type of the message, searches the environment required by the current signaling according to the parameters carried by the signaling, matches domain information according to the environment, judges a master-slave mode according to the domain-bound message processing inlet, and then processes the corresponding message;
and 3, releasing the resources and ending.
2. The multi-domain signaling fast scheduling method of claim 1, wherein the step 1 comprises the steps of:
step 1.1, obtaining information of related services of a networking platform;
step 1.2, inserting the relevant service into a corresponding list after the relevant service is initialized successfully;
step 1.3, acquiring upper and lower level domain information from a database;
step 1.4, creating the lower domain formation according to the domain information, setting IP, port and domain ID information, and initializing the lower domain;
step 1.5, inserting the subordinate domain into a domain management queue;
step 1.6, traversing all domains, setting heartbeat callback, linking the subordinate domains and creating a signaling path;
step 1.7, creating a message processing module of the lower domain;
and step 1.8, obtaining the sip service information, initializing the sip service and setting parameters.
3. The multi-domain signaling fast scheduling method of claim 2, wherein said step 1.7 comprises the steps of:
step 1.7.1, creating a message processing object;
step 1.7.2, the subordinate domain binds the corresponding message processing object;
step 1.7.3, setting the working mode of the lower domain as a slave mode;
and step 1.7.4, starting message rotation and starting message receiving of the subordinate domain.
4. The multi-domain signaling fast scheduling method of claim 1, wherein said step 2 comprises the steps of:
step 2.1, checking a message receiving queue;
step 2.2, waiting for filling the message queue in a delayed manner;
step 2.3, receiving the signaling, and creating a receiving buffer;
step 2.4, obtaining the signaling from the signaling receiving buffer;
step 2.5, analyzing the signaling, checking whether the message is a stop message, and if the message is the stop message, executing the step 3;
step 2.6, the current message pointer is saved, data are copied, and subsequent message transmission is facilitated;
step 2.7, signaling distribution processing;
step 2.8, checking whether to play the signaling;
step 2.9, checking whether other signaling exists;
and 2.10, processing other signaling.
5. The multi-domain signaling fast scheduling method of claim 4 wherein said step 2.1 checks to see if the message receive queue is empty, if it is empty said step 2.2 is performed, otherwise said step 2.3 is performed.
6. The fast scheduling method of multi-domain signaling in claim 4, wherein the step 2.8 checks whether the signaling plays the signaling, if it is, the playing process flow is executed, otherwise, the signaling step 2.9 is executed.
7. The multi-domain signaling fast scheduling method of claim 6, wherein said playing process flow comprises the following steps:
step 2.8.1, detecting the parameter validity;
step 2.8.2, system clock checking, checking whether the client exists and whether the current equipment can operate;
step 2.8.3, acquiring camera information according to the camera ID, and acquiring the equipment ID and channel information corresponding to the camera;
step 2.8.4, acquiring the domain ID of the device;
step 2.8.5, checking the current working mode;
step 2.8.6, obtaining a domain object of the domain where the device is located;
step 2.8.7, inserting the deep copy of the current message into the corresponding lower domain message queue, and distributing the message;
step 2.8.8, establishing a current device path to obtain a forwarding address, and establishing a forwarding path;
step 2.8.9, update error status and return result, resource release.
8. The multi-domain signaling fast scheduling method of claim 7 wherein said step 2.8.1 parameter is legality detecting, if it is legal to perform said step 2.8.2, otherwise said step 2.8.9 is performed.
9. The multi-domain signaling fast scheduling method of claim 7 wherein said step 2.8.5 checks whether the current operation mode is the master mode, if so, said step 2.8.6 is performed, otherwise said step 2.8.8 is performed.
10. The multi-domain signaling fast scheduling method of claim 4 wherein said step 2.9 checks to see if there is other signaling, if it is to perform said step 2.10, otherwise said step 3 is performed.
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