CN107708102B - System and method for inquiring node equipment information by ZigBee gateway - Google Patents
System and method for inquiring node equipment information by ZigBee gateway Download PDFInfo
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- CN107708102B CN107708102B CN201710863099.1A CN201710863099A CN107708102B CN 107708102 B CN107708102 B CN 107708102B CN 201710863099 A CN201710863099 A CN 201710863099A CN 107708102 B CN107708102 B CN 107708102B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention relates to the field of network gateways, and discloses a system for inquiring node equipment information by a ZigBee gateway, which comprises a queue to be inquired, an unfinished list, a finished list, a stored list, a protocol stack application thread and a node management thread, wherein the queue to be inquired is used for storing node equipment of the node equipment which is not inquired; the unfinished list is used for storing node equipment which is carrying out information inquiry; the protocol stack application thread is used for sending a command for inquiring information to the node equipment and extracting information from an inquiry response; and the node management thread is used for performing query flow skipping and result processing according to the query condition of the node equipment information, and interacting with the protocol stack application thread and the Internet side application program. The invention also discloses a method for inquiring the node equipment information by the ZigBee gateway. The invention can collect the node equipment information orderly and rapidly.
Description
Technical Field
The invention relates to the field of network gateways, in particular to a system for inquiring node equipment information by a ZigBee gateway and a method for inquiring node equipment information by the ZigBee gateway.
Background
With the development of the internet of things technology and the popularization of smart home devices, more and more smart home devices start to enter common families, wherein most of the smart home devices apply the ZigBee (ZigBee protocol) technology. The ZigBee gateway is the core of the ZigBee network, the ZigBee network is established through the ZigBee gateway, the intelligent home equipment is added into the ZigBee network and becomes node equipment of the ZigBee network, and the ZigBee gateway can control the node equipment.
However, the ZigBee has a limited network range, and cannot be directly connected to the internet, so that the user cannot remotely check and control the smart home device. In order to meet the requirements of remote viewing and control of users, conversion is required to be carried out through a ZigBee gateway. And on the ZigBee gateway, the ZigBee application program inquires the information of the node equipment, provides the information to the Internet side application program and receives the instruction of the Internet side application program to realize the control of the node equipment.
The information of the node equipment sequentially comprises a plurality of levels such as nodes, end points, clusters and attributes from outside to inside, the levels are in one-to-many relationship, the whole structure is similar to a tree structure, the ZigBee gateway inquires the node equipment information one by one according to the level relationship, but because the ZigBee transmission rate is low, when the number of the node equipment in the ZigBee network is large, the ZigBee gateway is limited by the transmission rate and is not timely enough for collecting the node equipment information, and the timeliness of the node equipment control is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system for inquiring node equipment information by a ZigBee gateway and a method for inquiring node equipment information by the ZigBee gateway, which can collect the node equipment information orderly and quickly.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the query queue is used for storing node equipment which is not queried for information;
an incomplete list for storing node devices which are performing information inquiry;
a completed list for storing node devices whose information has been queried;
the stored list is used for storing the node equipment of which the information is stored to the node file, and the node file is used for storing the information obtained by inquiring the node equipment;
the protocol stack application thread is used for sending a command for inquiring information to the node equipment and extracting information from an inquiry response;
and the node management thread is used for performing query flow skipping and result processing according to the query condition of the node equipment information, and interacting with the protocol stack application thread and the Internet side application program.
On the basis of the technical scheme, the node equipment information comprises nodes, endpoints, clusters and attributes, the nodes comprise IEEE addresses, network addresses, endpoint lists, manufacturer IDs and equipment names, the endpoints comprise equipment IDs, input cluster lists and output cluster lists, the clusters comprise cluster IDs and attribute lists, and the attributes comprise attribute IDs, attribute values, types of the attribute values and lengths of the attribute values.
On the basis of the technical proposal, the device comprises a shell,
the protocol stack application thread comprises a command execution module and a result return module;
the command execution module is used for sending a command for inquiring information to the node equipment;
and the result returning module is used for extracting the information of the node equipment from the callback of the query response.
On the basis of the technical proposal, the device comprises a shell,
the node management thread comprises an information management module, an information query module and an information storage module;
the information management module is used for processing the query result of the node equipment information and interacting with an application program on the Internet side;
the information query module is used for skipping the query process according to the query state and the information fed back by the result returning module;
the information storage module is used for accessing the node equipment information in the node file.
The invention also provides a method for inquiring the node equipment information by the ZigBee gateway, which is characterized by comprising the following steps:
s1: when the node equipment is added into the ZigBee network, judging whether the node equipment is in a queue to be queried, an uncompleted list, a completed list or a stored list before;
s2: if the node equipment is not in the queue to be queried, the unfinished list, the finished list and the stored list before, marking the node equipment as the equipment which is not queried and adding the equipment into the queue to be queried, if the node equipment is in the queue to be queried before, marking the node equipment as the equipment to be queried and adding the equipment into the queue to be queried, and if the node equipment is in the unfinished list, the finished list or the stored list before, marking the node equipment as the equipment which is unfinished, the finished equipment or the stored equipment correspondingly and adding the equipment into the queue to be queried;
s3: for node equipment in a queue to be queried, sequentially taking out the node equipment according to the adding time sequence of the node equipment;
s4: if the mark of the taken out node equipment is not inquired equipment, inquiring all information of the node equipment, if the mark of the taken out node equipment is not finished equipment, continuously inquiring the information which is not inquired by the node equipment, and if the mark of the taken out node equipment is finished equipment or stored equipment, only inquiring the attribute value information of the node equipment;
s5: and carrying out information inquiry on the next node device until all the node devices in the queue to be inquired carry out information inquiry.
On the basis of the technical proposal, the device comprises a shell,
the node equipment information comprises nodes, endpoints, clusters and attributes;
the nodes include IEEE addresses, network addresses, endpoint lists, vendor IDs, and device names;
the end point comprises a device ID, an input cluster list and an output cluster list;
the cluster includes a cluster ID and an attribute list;
the attribute comprises an attribute ID, an attribute value, a type of the attribute value and a length of the value of the attribute;
for devices marked as completed or stored, the queried information is the attribute value.
Based on the above technical solution, in S4, for the information query of the node device:
s401: taking out the node equipment from the queue to be queried, and querying information;
s402: if the information query of the current node equipment is successful, turning to S403; if the failure occurs, go to S404;
s403: transferring the current node equipment into a completed list, storing the inquired information of the current node equipment into a node file, transferring the current node equipment into a stored list, and ending;
s404: and transferring the current node equipment into an incomplete list.
On the basis of the technical scheme, a repeated query frequency is preset for each piece of information query of the node equipment, and the repeated query frequency is used for indicating the frequency of trying repeated query after one piece of information query fails;
if any piece of information to be queried of the current node equipment fails to be queried within the repeated query times, determining that the information query of the current node equipment fails, and turning to S404;
if each piece of information to be queried of the current node device is successfully queried within the repeated query times, the information query of the current node device is determined to be successful, and the process goes to S403.
On the basis of the above technical solution, for the node device marked as an inquired device, the inquiry process of the information is as follows:
s411: inquiring an endpoint list of the node equipment, simultaneously judging whether the node equipment has a next endpoint or not, if so, turning to S412, and if not, ending;
s412: query the cluster list of the endpoint, and then go to S413;
s413: judging whether the end point has a next input cluster, if so, turning to S414, and if not, ending;
s414: the attribute list and the value list of the attribute of the input class cluster are queried.
On the basis of the above technical solution, for a node device marked as a completed list device or a stored list device, the query process of information is as follows:
s421: judging whether the node equipment has a next endpoint or not, if so, turning to S422, and if not, ending;
s422: judging whether the end point has a next input cluster, if so, turning to S423, and if not, ending;
s423: the value list of the input class cluster attribute is queried and then goes to S422.
Compared with the prior art, the invention has the advantages that: the node equipment added into the ZigBee network is correspondingly marked in various queues or lists, and the node equipment is sequentially added into the queue to be inquired, so that the ordering of the node equipment in information inquiry is ensured, when the node equipment is inquired, only the information which is not inquired in the node equipment is inquired according to the corresponding mark on the node equipment, the inquiry quantity of the node equipment information is reduced, and the inquiry speed is accelerated.
Drawings
Fig. 1 is a flowchart of a method for a ZigBee gateway to query node device information according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a system for inquiring node equipment information by a ZigBee gateway, which is used for inquiring and collecting node equipment information of node equipment such as intelligent home equipment by the ZigBee gateway so as to realize control and management of the intelligent home equipment. The system for inquiring the node equipment information by the ZigBee gateway comprises: the method comprises the steps of setting a plurality of lists or queues for storing node equipment which is subjected to different query progresses, and managing the node equipment more clearly when the node equipment inquires information of the node equipment.
The information of the node device includes information of a node, an endpoint, a cluster, an attribute and the like, specifically, the node includes an IEEE address, a network address (that is, a network address of the node device), an endpoint list (that is, a list of all endpoints or interfaces on the node device), a manufacturer ID and a device name, the IEEE address is 64 bits and is an address allocated to the device before the device joins the network, and the network address is allocated to the device when the device joins the network after the network is established; the endpoint comprises a device ID, an input cluster list and an output cluster list; the cluster includes a cluster ID and an attribute list; the attribute includes an attribute ID, an attribute value, a type of the attribute value, and a length of the attribute value.
Specifically, the queue to be queried is used for storing node devices which have not been subjected to information query, that is, storing node devices which are newly added to the ZigBee gateway or node devices which have been added to the ZigBee gateway before but have not been subjected to any node device information query; the unfinished list is used for storing node equipment which is carrying out information inquiry; the completed list is used for storing the node equipment of which the information is queried; the stored list is used for storing the node device of which the information is stored in the node file, that is, the node device of which the information is queried and the queried information is stored in the node file, and the node file is used for storing the information obtained by querying the node device.
The system for inquiring the information of the node equipment by the ZigBee gateway also comprises a protocol stack application thread and a node management thread, wherein the protocol stack application thread is used for sending an information inquiry command to the node equipment and extracting information from an inquiry response, namely sending the information inquiry command to the node equipment, and after the node equipment responds to the inquiry command, extracting the information from the node equipment. The information extracted from the node device is only information which is not queried before by a certain node device, and the information which is queried before by the node device is stored in a node file, such as: for the node devices distributed to the uncompleted list, the node devices are node devices which have been added into the ZigBee gateway before, namely, the query of partial information is carried out, and for the query of the information of the node devices in the uncompleted list, only the information which has not been queried before is needed to be queried and is extracted at the same time; the node management thread is used for carrying out inquiry flow skipping and result processing according to the inquiry condition of the node equipment information, and interacting with the protocol stack application thread and the Internet side application program, so that a user can remotely control the node equipment. Specifically, for the process jump and result processing of the query, the node devices are allocated to the corresponding queue to be queried, the incomplete list, the completed list and the stored list according to the current query state of the node devices, that is, the current information query progress of the node devices, and the extracted information of the node devices is stored in the node file.
The protocol stack application thread comprises a command execution module and a result return module; the command execution module is used for sending a command for inquiring information to the node equipment; and the result returning module is used for extracting the information of the node equipment from the callback of the query response. The node management thread comprises an information management module, an information query module and an information storage module; the information management module is used for processing the query result of the node equipment information and interacting with the application program on the Internet side; the information query module is used for skipping the query process according to the query state and the information fed back by the result return module, namely distributing the node equipment to the corresponding queue to be queried, the unfinished list, the finished list and the stored list according to the current query state of the node equipment information; the information storage module is used for accessing the node equipment information in the node file, namely storing the information of the node equipment obtained by query and extraction into the node file.
According to the current inquiry progress of the node equipment information, the node equipment with different inquiry progresses is correspondingly distributed to different queues or lists in a queue mode, the management of the node equipment is more orderly and clear, meanwhile, when the node equipment is inquired, only the information which is not inquired before the node equipment is required to be inquired, the inquiry amount of the node equipment information is effectively reduced, the speed of inquiring the node equipment information is indirectly improved, and the ZigBee gateway can inquire and collect the node equipment information in time.
Referring to fig. 1, the present invention further provides a method for a ZigBee gateway to query node device information based on the system for the ZigBee gateway to query node device information, including:
s1: when the node device is added into the ZigBee network, whether the node device is in a queue to be queried, an unfinished list, a finished list or a stored list before is judged, and the node device is possibly added into the ZigBee network for the first time or is added into the ZigBee network before and distributed into the queue to be queried, the unfinished list, the finished list or the stored list for the node device added into the ZigBee network because the queue to be queried, the unfinished list, the finished list and the stored list are established before. Node equipment can join and withdraw from the ZigBee network at any time, so that for the node equipment which joins the ZigBee network for the first time or again, all or part of information of the node equipment needs to be inquired and stored, and the subsequent control of the ZigBee gateway on the node equipment can be realized; the queue in which a certain node device is located before is judged, and the judgment can be obtained according to the IEEE address of the node device, and the node device is unique when the node device is added into the ZigBee network before and belongs to which list or queue, so that the ZigBee network can correspondingly record.
S2: if the node device is not in the queue to be queried, the unfinished list, the finished list and the stored list before, indicating that the node device is added to the ZigBee network for the first time, marking the node device as an unfinished device and adding the node device into the queue to be queried, if the node device is in the queue to be queried before, indicating that the node device is added to the ZigBee network before but does not query any node device information, marking the node device as a device to be queried and adding the node device into the queue to be queried, if the node device is in the unfinished list, the finished list or the stored list before, marking the node device as a device, a finished device or a stored device correspondingly and adding the node device into the queue to be queried, for example, marking the node device as a device before the unfinished list;
s3: for node equipment in a queue to be queried, sequentially taking out the node equipment according to the adding time sequence of the node equipment, namely taking out the node equipment which is added into the queue to be queried first;
s4: if the mark of the taken out node equipment is not inquired equipment, inquiring all information of the node equipment, if the mark of the taken out node equipment is not finished equipment, continuously inquiring the information which is not inquired by the node equipment, and if the mark of the taken out node equipment is finished equipment or stored equipment, only inquiring the attribute value information of the node equipment; the node equipment information comprises nodes, endpoints, clusters and attributes; the nodes include IEEE addresses, network addresses, endpoint lists, vendor IDs, and device names; the endpoint comprises a device ID, an input cluster list and an output cluster list; the cluster includes a cluster ID and an attribute list; the attribute comprises an attribute ID, an attribute value, a type of the attribute value and a length of the value of the attribute; for devices marked as completed or stored, the queried information is the attribute value.
S5: and performing information query on the next node device, namely sequentially taking out the next node device from the queue to be queried to perform information query until all the node devices in the queue to be queried perform information query.
In the above process, the information query for the node device:
s401: taking out the node equipment from the queue to be queried, and querying information;
s402: if the information query of the current node equipment is successful, turning to S403; if the node device information is not successfully queried, the process goes to S404, and the basis for determining that the node device information query is successful is to query all the information to be queried. Specifically, for each piece of information query of the node device, a repeated query frequency is preset, wherein the repeated query frequency is used for indicating the frequency of trying repeated query after one piece of information query fails; if any piece of information to be queried of the current node equipment fails to be queried within the repeated query times, determining that the information query of the current node equipment fails, and turning to S404; if each piece of information to be queried of the current node device is successfully queried within the repeated query times, the information query of the current node device is determined to be successful, and the process goes to S403.
S403: transferring the current node equipment into a completed list, extracting the inquired information of the current node equipment, storing the inquired information of the current node equipment into a node file, transferring the current node equipment into the stored list, and ending;
s404: and transferring the current node equipment into an incomplete list.
For the node device marked as the non-queried device, the specific query process of the information is as follows:
s411: inquiring an endpoint list of the node equipment, simultaneously judging whether the node equipment has a next endpoint or not, if so, turning to S412, and if not, ending;
s412: query the cluster list of the endpoint, and then go to S413;
s413: judging whether the end point has a next input cluster, if so, turning to S414, and if not, ending;
s414: the attribute list and the value list of the attribute of the input class cluster are queried.
For the node device marked as a completed list device or a stored list device, the specific process of querying the node device information is as follows:
s421: judging whether the node equipment has a next endpoint or not, if so, turning to S422, and if not, ending;
s422: judging whether the end point has a next input cluster, if so, turning to S423, and if not, ending;
s423: the value list of the input class cluster attribute is queried and then goes to S422.
The principle of the method for inquiring the node equipment information by the ZigBee gateway is as follows: the node equipment which is added into the ZigBee network for the first time or the node equipment which is added into the ZigBee network before and is subjected to all or partial information query is correspondingly marked and added into the queue to be queried, the orderliness of the node equipment when the node equipment information query is carried out is ensured, then the node equipment is taken out from the queue to be queried in sequence, and the information which is not queried in the current node equipment is queried and stored, so that the query quantity of the node equipment information is effectively reduced, the query speed of the node equipment information is accelerated, the node equipment information is rapidly queried and collected by the ZigBee gateway, and the problem that the node equipment cannot be effectively controlled by the ZigBee gateway due to the timeliness problem during the node equipment information query is avoided.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A system for inquiring node equipment information by a ZigBee gateway is characterized by comprising:
the query queue is used for storing node equipment which is not queried for information;
an incomplete list for storing node devices which are performing information inquiry;
a completed list for storing node devices whose information has been queried;
the stored list is used for storing the node equipment of which the information is stored to the node file, and the node file is used for storing the information obtained by inquiring the node equipment;
the protocol stack application thread is used for sending a command for inquiring information to the node equipment and extracting information from an inquiry response;
the node management thread is used for carrying out inquiry flow skipping and result processing according to the inquiry condition of the node equipment information and interacting with the protocol stack application thread and the Internet side application program;
the process skipping and result processing of the query are carried out according to the query condition of the node equipment information, and the process skipping and result processing specifically comprise the following steps: and according to the current information query progress of the node equipment, distributing the node equipment to a corresponding queue to be queried, an incomplete list, a completed list and a stored list, and storing the extracted information of the node equipment to a node file.
2. The system for querying node device information by ZigBee gateway as claimed in claim 1, wherein: the node device information comprises nodes, endpoints, clusters and attributes, the nodes comprise IEEE addresses, network addresses, endpoint lists, manufacturer IDs and device names, the endpoints comprise device IDs, input cluster lists and output cluster lists, the clusters comprise cluster IDs and attribute lists, and the attributes comprise attribute IDs, attribute values, types of the attribute values and lengths of the attribute values.
3. The system for querying node device information by ZigBee gateway as claimed in claim 1, wherein:
the protocol stack application thread comprises a command execution module and a result return module;
the command execution module is used for sending a command for inquiring information to the node equipment;
and the result returning module is used for extracting the information of the node equipment from the callback of the query response.
4. The system for querying node device information by ZigBee gateway as claimed in claim 2, wherein:
the node management thread comprises an information management module, an information query module and an information storage module;
the information management module is used for processing the query result of the node equipment information and interacting with an application program on the Internet side;
the information query module is used for skipping the query process according to the query state and the information fed back by the result returning module;
the information storage module is used for accessing the node equipment information in the node file.
5. A method for a ZigBee gateway to inquire node device information based on the system of claim 1, which is characterized by comprising the following steps:
s1: when the node equipment is added into the ZigBee network, judging whether the node equipment is in a queue to be queried, an uncompleted list, a completed list or a stored list before;
s2: if the node equipment is not in the queue to be queried, the unfinished list, the finished list and the stored list before, marking the node equipment as the equipment which is not queried and adding the equipment into the queue to be queried, if the node equipment is in the queue to be queried before, marking the node equipment as the equipment to be queried and adding the equipment into the queue to be queried, and if the node equipment is in the unfinished list, the finished list or the stored list before, marking the node equipment as the equipment which is unfinished, the finished equipment or the stored equipment correspondingly and adding the equipment into the queue to be queried;
s3: for node equipment in a queue to be queried, sequentially taking out the node equipment according to the adding time sequence of the node equipment;
s4: if the mark of the taken out node equipment is not inquired equipment, inquiring all information of the node equipment, if the mark of the taken out node equipment is not finished equipment, continuously inquiring the information which is not inquired by the node equipment, and if the mark of the taken out node equipment is finished equipment or stored equipment, only inquiring the attribute value information of the node equipment;
s5: and carrying out information inquiry on the next node device until all the node devices in the queue to be inquired carry out information inquiry.
6. The method for the ZigBee gateway to inquire the node device information as claimed in claim 5, wherein:
the node equipment information comprises nodes, endpoints, clusters and attributes;
the nodes include IEEE addresses, network addresses, endpoint lists, vendor IDs, and device names;
the end point comprises a device ID, an input cluster list and an output cluster list;
the cluster includes a cluster ID and an attribute list;
the attribute comprises an attribute ID, an attribute value, a type of the attribute value and a length of the value of the attribute;
for devices marked as completed or stored, the queried information is the attribute value.
7. The method for querying node device information by ZigBee gateway according to claim 5, wherein in S4, for the node device information query:
s401: taking out the node equipment from the queue to be queried, and querying information;
s402: if the information query of the current node equipment is successful, turning to S403; if the failure occurs, go to S404;
s403: transferring the current node equipment into a completed list, storing the inquired information of the current node equipment into a node file, transferring the current node equipment into a stored list, and ending;
s404: and transferring the current node equipment into an incomplete list.
8. The method for the ZigBee gateway to query the node device information according to claim 7, wherein:
presetting a repeated query frequency for each piece of information query of node equipment, wherein the repeated query frequency is used for indicating the frequency of trying repeated query after one piece of information query fails;
if any piece of information to be queried of the current node equipment fails to be queried within the repeated query times, determining that the information query of the current node equipment fails, and turning to S404;
if each piece of information to be queried of the current node device is successfully queried within the repeated query times, the information query of the current node device is determined to be successful, and the process goes to S403.
9. The method for the ZigBee gateway to query the node device information according to claim 7, wherein for the node device marked as an unexquired device, the query procedure of the information is:
s411: inquiring an endpoint list of the node equipment, simultaneously judging whether the node equipment has a next endpoint or not, if so, turning to S412, and if not, ending;
s412: query the cluster list of the endpoint, and then go to S413;
s413: judging whether the end point has a next input cluster, if so, turning to S414, and if not, ending;
s414: the attribute list and the value list of the attribute of the input class cluster are queried.
10. The method for querying node device information of ZigBee gateway as claimed in claim 7, wherein for the node device marked as a completed list device or a stored list device, the query procedure of information is as follows:
s421: judging whether the node equipment has a next endpoint or not, if so, turning to S422, and if not, ending;
s422: judging whether the end point has a next input cluster, if so, turning to S423, and if not, ending;
s423: the value list of the input class cluster attribute is queried and then goes to S422.
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