CN114364056B - Control method, system, device and storage medium for LWM2M session of terminal - Google Patents
Control method, system, device and storage medium for LWM2M session of terminal Download PDFInfo
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- 238000004891 communication Methods 0.000 abstract description 5
- 230000003993 interaction Effects 0.000 description 9
- 230000005059 dormancy Effects 0.000 description 6
- 230000007958 sleep Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000008859 change Effects 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a control method, a system, a device and a storage medium for a terminal LWM2M session, which can be applied to the technical field of wireless communication. The method comprises the following steps: acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform; storing the first session data in a local flash memory; determining that a first starting signal is received, and judging the storage state of session data in the local flash memory according to the first starting signal; determining that second session data of a current terminal are stored in a local flash memory, and acquiring the second session data from the local flash memory; and establishing LWM2M session connection between the current terminal and the platform according to the second session data. According to the invention, after the current terminal wakes up in a dormant mode, stored session data can be obtained from the local flash memory, and LWM2M session connection between the current terminal and the platform is established, so that flow consumption is effectively reduced.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a control method, a system, a device and a storage medium for a terminal LWM2M session.
Background
In the related art, along with the development of the internet of things, the usage amount of NB terminals is expanding continuously, wherein a large number of NB terminals use the LwM2M protocol to perform data interaction with the LOT platform. After the NB terminal wakes up in deep dormancy, because the program needs to be restarted to run, the LwM2M session also needs to be reestablished, and after logging in the LOT platform again, the NB terminal can communicate with the LOT platform to perform normal data interaction, so that the flow consumption is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a control method, a system, a device and a storage medium for a terminal LWM2M session, which can effectively reduce the flow consumption.
In one aspect, an embodiment of the present invention provides a method for controlling a LWM2M session of a terminal, including the following steps:
acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform;
storing the first session data in a local flash memory;
determining that a first starting signal is received, judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after a current terminal wakes up in a dormant mode;
determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory;
and establishing LWM2M session connection between the current terminal and the platform according to the second session data.
In some embodiments, the method further comprises the steps of:
and determining that the second session data of the current terminal is not stored in the local flash memory, and controlling the current terminal to log in the platform again through an LWM2M protocol.
In some embodiments, after the step of controlling the current terminal to re-log into the platform through the LWM2M protocol, the method further comprises the steps of:
and storing the second session data in a local flash memory.
In some embodiments, in performing the LWM2M session, the method further comprises the steps of:
and determining that the LWM2M session data changes, and updating the LWM2M session data in the local flash memory according to the changed LWM2M session data.
In some embodiments, in performing the LWM2M session, the method further comprises the steps of:
and determining that the terminal exits the LWM2M server, and clearing LWM2M session data stored in the local flash memory.
In some embodiments, the LWM2M session data includes a server address, a port, a location path corresponding to the port, and a listening relationship of a usage object.
In another aspect, an embodiment of the present invention provides a control system for a LWM2M session of a terminal, including:
the first acquisition module is used for acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform;
the storage module is used for storing the first session data in a local flash memory;
the judging module is used for determining that a first starting signal is received, judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after a current terminal wakes up in a dormant mode;
the second acquisition module is used for determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory;
and the establishing module is used for establishing LWM2M session connection between the current terminal and the platform according to the second session data.
In some embodiments, the system further comprises:
and the control module is used for determining that the second session data of the current terminal are not stored in the local flash memory and controlling the current terminal to log in the platform again through an LWM2M protocol.
On the other hand, an embodiment of the present invention provides a control device for a terminal LWM2M session, including:
at least one memory for storing a program;
and the at least one processor is used for loading the program to execute the control method of the terminal LWM2M session.
In another aspect, an embodiment of the present invention provides a storage medium in which a computer-executable program is stored, the computer-executable program being for implementing the control method of the terminal LWM2M session when being executed by a processor.
The control method of the terminal LWM2M session provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment, the LWM2M session data of the terminal and the platform are stored in the local flash memory in advance, so that after receiving the starting signal of starting the LWM2M process after the current terminal wakes up in a dormant mode, the stored session data can be obtained from the local flash memory, and then the LWM2M session connection of the current terminal and the platform is established according to the session data, so that a series of operations for logging in the platform again after the current terminal is restarted in a dormant mode are not needed, and the flow consumption is effectively reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a flowchart of a control method of a terminal LWM2M session according to an embodiment of the invention;
FIG. 2 is a flowchart of recording corresponding session data in a local Flash according to an embodiment of the present invention;
fig. 3 is a session reestablishment flow chart after a NB terminal wakes up from sleep in an embodiment of the present invention;
fig. 4 is a data processing flow chart of an NB terminal when actively logging out according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present invention, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
NB-IOT is an emerging technology in the IOT field that supports cellular data connectivity of low power devices in a wide area network, also known as a low power wide area network. NB-IOT supports efficient connection of devices with long standby time and high network connection requirements. In the low-power-consumption wide area network, the NB terminal needs to communicate with the IOT platform, the communication can use LWM2M for session connection, LWM2M is lightweight M2M, and the low-power-consumption wide area network is proposed by a development mobile alliance, is a lightweight and standard universal equipment management protocol of the Internet of things, and can be used for rapidly deploying the business of the Internet of things in a client/server mode.
At present, after the NB terminal wakes up in deep dormancy, because the program needs to be restarted to run, the LWM2M session also needs to be reestablished, and after logging in the platform again, the NB terminal can communicate with the platform, so that normal data interaction is performed. However, reestablishing the LWM2M session must be re-logged, increasing the consumption of traffic.
Based on this, the embodiment provides a control method, a system, a device and a storage medium for a terminal LWM2M session, by storing LWM2M session data before dormancy; after the sleep and wake up, the LWM2M session is reconstructed by using the saved LWM2M session data, and the platform performs normal data interaction, so that a login process necessary for establishing the LWM2M session is omitted, and the flow is saved.
Embodiments of the present invention will be described in detail below with reference to the attached drawings:
referring to fig. 1, an embodiment of the present invention provides a control method for a terminal LWM2M session, including the following steps:
s11, acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform.
S12, storing the first session data in a local flash memory.
S13, determining that a first starting signal is received, and judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after the current terminal wakes up in a dormant mode.
S14, determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory.
S15, establishing LWM2M session connection between the current terminal and the platform according to the second session data.
In this embodiment, when the NB terminal successfully logs in to the LOT platform through the LWM2M protocol for the first time, LWM2M session data of the NB terminal may be obtained as first session data, for example, data such as a server address, a port, and a location path corresponding to the port, and a listening relationship using an object may be obtained as first session data. After the LWM2M session data is obtained, the LWM2M session data is stored in a local Flash memory Flash, so that the subsequent processing procedure can be conveniently invoked. If the current terminal is changed from the dormant state to the awake state and the corresponding LWM2M process is restarted, judging the storage state of session data in the local flash memory according to the corresponding restarting signal. If the local flash memory stores the session data corresponding to the current starting terminal, the corresponding session data is obtained from the local flash memory as second session data, and the LWM2M session connection between the current terminal and the platform is established according to the second session data, so that the platform does not need to be logged in again after the dormancy restarting, and the flow consumption is effectively reduced.
In this embodiment, if the second session data of the current terminal is not stored in the local flash memory, the current terminal is controlled to log in the platform again through the LWM2M protocol, so as to establish LWM2M session connection between the current terminal and the platform, and achieve normal data interaction. In the process, the second session data can be stored in the local flash memory, so that the session data in the local flash memory can be directly called to establish LWM2M session connection between the terminal and the platform when the terminal is restarted after waking up.
In this embodiment, when the LWM2M session is executed, if it is determined that the LWM2M session data changes, the LWM2M session data in the local flash memory is updated according to the changed LWM2M session data, that is, the updated LWM2M session data is saved to the local flash memory, and the LWM2M session data before the change is deleted from the local flash memory. And when the terminal is determined to exit the LWM2M server, cleaning LWM2M session data stored in the local flash memory.
When the above embodiments are applied to a specific process, the following are included:
referring to fig. 2, after the NB terminal successfully logs in to the platform using the LWM2M protocol, the NB terminal stores corresponding session data, for example, key information such as an address, a port and a locationPath of a server, an observe relationship of a used object, and the like in the local Flash. I.e. recording session data in local Flash. While the LWM2M protocol may be employed to interact data.
Referring to fig. 3, after the NB terminal wakes up by sleep, when restarting the corresponding LWM2M process, if it is found that an LWM2M session exists before sleep, corresponding session data is read from the local Flash, and the data connection between the terminal and the platform is re-established using the session data, and then the data is interacted using the LWM2M protocol. If the LWM2M session exists before dormancy or the reestablishment session is unsuccessful, the NB terminal is controlled to log in the platform again, and corresponding session data are recorded in the local Flash.
Referring to fig. 4, when the NB terminal transmits an active logout request to the platform through the LWM2M protocol, session data corresponding to the NB terminal in the local Flash is actively cleared, and related data of the LWM2M session in the local process is cleared.
In the running process of the program, if key information, such as the relationship of the osserves, is changed, corresponding session data stored in the local Flash needs to be updated.
Specifically, the above embodiments can be summarized as follows:
after the NB terminal is started, starting an LWM2M communication program, and if LWM2M session data stored in the local Flash are not available, executing an operation of starting the LWM2M session to log in an LWM2M server; if the login is successful, LWM2M session information of the login is recorded in the local Flash, such as server address, port and locationPath, and session related information such as the Observe relation of the used Object.
In the process of executing the LWM2M session, if the session information of the LWM2M is changed, the changed information needs to be updated to the local Flash. For example, if the server issues instructions to establish, change and cancel the observant relationship of an Object, the corresponding content needs to be updated in the local Flash.
When the NB terminal wakes up from the deep dormancy, the boot process of the LWM2M is re-executed, at this time, if the LWM2M session information is judged to exist in the local Flash, the LWM2M session information in the Flash is read, then Socket connection between the terminal and the platform is established according to the server address and the port, and then the complete LWM2M session is restored according to the localpath and the Object's unserve relation. After the recovery is successful, the NB terminal can perform data interaction between the platform, so that the operation of logging in the platform is not required to be executed again. If the recovery fails, an operation of logging in the LwM2M platform needs to be performed. The Socket is an intermediate software abstraction layer for communication between an application layer and a TCP/IP protocol family, and divides complex communication logic in the TCP/IP protocol, so that network connection can be realized only by a group of simple APIs in the interaction process of the local terminal.
When the user at the NB terminal actively sends out the operation of logging out of the LWM2M server in the program running process, the LWM2M session data in the memory is cleared, and meanwhile the operation of clearing the LWM2M session data in the Flash is required to be executed.
In summary, after the current NB equipment is in deep sleep and wake-up, the program running the LWM2M protocol restarts to run, and because the LWM2M session data is lost during running, the interaction with the platform cannot be directly performed, and the data interaction with the platform can be performed only after a new LWM2M session login evaluation is required to be established. However, in this embodiment, the LWM2M session data of the terminal and the platform are stored in the local flash memory in advance, so that after receiving the start signal for starting the LWM2M process after the current terminal wakes up in a dormant state, the stored session data can be obtained from the local flash memory, and then the LWM2M session connection between the current terminal and the platform is established according to the session data, so that it is not necessary to log in the platform again after restarting in a dormant state to perform a series of operations, so as to effectively reduce traffic consumption.
The embodiment of the invention provides a control system of a terminal LWM2M session, which comprises the following steps:
the first acquisition module is used for acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform;
the storage module is used for storing the first session data in a local flash memory;
the judging module is used for determining that a first starting signal is received, judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after a current terminal wakes up in a dormant mode;
the second acquisition module is used for determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory;
and the establishing module is used for establishing LWM2M session connection between the current terminal and the platform according to the second session data.
In some embodiments, the system further comprises a control module for determining that the second session data of the current terminal is not stored in the local flash memory, and controlling the current terminal to log on the platform again through the LWM2M protocol.
The content of the method embodiment of the invention is suitable for the system embodiment, the specific function of the system embodiment is the same as that of the method embodiment, and the achieved beneficial effects are the same as those of the method.
The embodiment of the invention provides a control device for a terminal LWM2M session, which comprises the following components:
at least one memory for storing a program;
at least one processor for loading the program to perform the control method of the terminal LWM2M session shown in fig. 1.
The content of the method embodiment of the invention is suitable for the device embodiment, the specific function of the device embodiment is the same as that of the method embodiment, and the achieved beneficial effects are the same as those of the method.
An embodiment of the present invention provides a storage medium in which a computer-executable program is stored, which when executed by a processor is configured to implement a control method of a terminal LWM2M session shown in fig. 1.
Embodiments of the present invention also disclose a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device may read the computer instructions from the computer-readable storage medium, and execute the computer instructions, so that the computer device performs the control method of the terminal LWM2M session shown in fig. 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention. Furthermore, embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Claims (5)
1. A method for controlling a terminal LWM2M session, comprising the steps of:
acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform;
storing the first session data in a local flash memory;
determining that a first starting signal is received, judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after a current terminal wakes up in a dormant mode;
determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory;
establishing LWM2M session connection between the current terminal and a platform according to the second session data;
the method further comprises the steps of:
determining that second session data of the current terminal are not stored in the local flash memory, and controlling the current terminal to log in a platform again through an LWM2M protocol;
after the step of controlling the current terminal to log in to the platform again through the LWM2M protocol, the method further includes the steps of:
storing the second session data in a local flash memory;
in performing the LWM2M session, the method further comprises the steps of:
determining that the LWM2M session data changes, and updating the LWM2M session data in the local flash memory according to the changed LWM2M session data;
the LWM2M session data comprises a server address, a port, a position path corresponding to the port and a monitoring relation of a using object.
2. The method for controlling a terminal LWM2M session according to claim 1, wherein when the LWM2M session is performed, the method further comprises the steps of:
and determining that the terminal exits the LWM2M server, and clearing LWM2M session data stored in the local flash memory.
3. A control system for a terminal LWM2M session, comprising:
the first acquisition module is used for acquiring first session data, wherein the first session data comprises LWM2M session data of a preset terminal and a platform;
the storage module is used for storing the first session data in a local flash memory;
the judging module is used for determining that a first starting signal is received, judging the storage state of session data in the local flash memory according to the first starting signal, wherein the first starting signal comprises a signal for starting an LWM2M process after a current terminal wakes up in a dormant mode;
the second acquisition module is used for determining that second session data of the current terminal are stored in the local flash memory, and acquiring the second session data from the local flash memory;
the establishing module is used for establishing LWM2M session connection between the current terminal and the platform according to the second session data;
the system further comprises:
the control module is used for determining that the second session data of the current terminal are not stored in the local flash memory, and controlling the current terminal to log in the platform again through an LWM2M protocol; after the step of controlling the current terminal to log in the platform again through the LWM2M protocol, the system is further configured to store the second session data in a local flash memory;
when the LWM2M session is executed, the system is further used for determining that the LWM2M session data changes, and updating the LWM2M session data in the local flash memory according to the changed LWM2M session data;
the LWM2M session data comprises a server address, a port, a position path corresponding to the port and a monitoring relation of a using object.
4. A control apparatus for a terminal LWM2M session, comprising:
at least one memory for storing a program;
at least one processor for loading the program to perform the control method of the terminal LWM2M session according to any of claims 1-2.
5. A storage medium, characterized in that a computer executable program is stored therein, which computer executable program, when being executed by a processor, is adapted to implement the control method of the terminal LWM2M session according to any one of claims 1-2.
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