CN114422436A - Gateway, gateway control method, gateway control device, electronic equipment and storage medium - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- G—PHYSICS
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Abstract
The disclosure relates to a gateway, a gateway control method, a gateway control device, an electronic device, and a storage medium. The gateway comprises a main chip and a transceiver, the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages relatively independently through the channels; the main chip comprises a routing logic control module and a routing query table, wherein the routing query table is used for storing the corresponding relation between the message and the forwarding attribute; the routing logic control module is used for detecting the message received by any channel of the transceiver, determining a forwarding channel corresponding to the target message based on the routing lookup table, and then forwarding the message from the forwarding channel through the transceiver. The gateway provided by the disclosure is convenient for upgrading the routing lookup table with high updating frequency, the forwarding rule of the message is stored in the routing lookup table, the forwarding logic of the message is stored in the routing logic control module, a specific gateway is not required to be specially developed and designed for each vehicle type, only the routing lookup table is designed, the development period is short, the development speed is high, and the cost is low.
Description
Technical Field
The present disclosure relates to the field of gateway technologies, and in particular, to a gateway, a gateway control method, an apparatus, an electronic device, and a storage medium.
Background
The gateway is a junction node for integrating communication between buses and is responsible for data forwarding of each bus segment. Taking a Controller Area Network (CAN) transmission message as an example, the gateway queries an internal routing policy by identifying an Identity Document (ID) of the received message and forwards the message to a target Network segment, and the current gateway routing logic is solidified in a chip in the gateway after the development is completed.
However, as the gateway is used, the gateway routing logic within the gateway may be updated. Taking the example of forwarding the message by using the gateway for the vehicle, the deployment of the message for the vehicles of different models is different, and the internal routing logics of the gateways are also different from each other, and in order to meet the individual requirements of the vehicles of different models, it is usually necessary to develop specific gateways for the vehicles of different models, and the message and the identification number in each vehicle of different models are different, and the routing logics are also different from each other. Therefore, in the gateway development process, specific gateways need to be developed for vehicles of different models, development is complicated, development period is long, and secondly, when gateway routing logic needs to be updated, gateway controllers are often directly replaced, so that cost is high.
Disclosure of Invention
In order to solve the technical problem, the present disclosure provides a gateway, a gateway control method, an apparatus, an electronic device, and a storage medium.
In a first aspect, an embodiment of the present disclosure provides a gateway, where the gateway includes a main chip and a transceiver;
the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages through the plurality of channels;
the main chip comprises a routing logic control module and a routing query table, wherein the routing query table is used for storing the corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises a forwarding channel corresponding to the message; the routing logic control module is used for determining a forwarding attribute corresponding to the message based on the routing lookup table after detecting that any channel of the transceiver receives the message, determining a forwarding channel based on the forwarding attribute, and forwarding the message from the forwarding channel through the transceiver.
Optionally, the gateway further includes a power module;
the power module is respectively connected with the main chip and the transceiver and is used for providing electric signals for the main chip and the transceiver and monitoring the running state of the main chip.
Optionally, the routing lookup table is stored in a data storage area of the main chip;
the routing logic control module is stored in a code storage area of the main chip.
Optionally, the gateway further includes an updating module, where the updating module is configured to receive the updated routing lookup table and overlay the updated routing lookup table on the routing lookup table.
Optionally, determining a forwarding attribute corresponding to the packet based on the routing lookup table includes:
reading a routing lookup table, and determining a forwarding attribute corresponding to the message in the routing lookup table; alternatively, the first and second electrodes may be,
sending the identifier of the message to a routing lookup table, wherein the routing lookup table is used for determining the forwarding attribute corresponding to the message according to the identifier of the message; and receiving the forwarding attribute corresponding to the message sent by the routing lookup table.
In a second aspect, an embodiment of the present disclosure provides a gateway control method, where the method includes:
receiving a target message;
determining a forwarding attribute corresponding to the target message according to the target message and a routing lookup table, and determining a forwarding channel corresponding to the target message based on the forwarding attribute, wherein the routing lookup table is used for storing a corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises the forwarding channel corresponding to the message;
and forwarding the target message from the forwarding channel.
Optionally, determining a forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table includes:
reading a routing query table, and determining a forwarding attribute corresponding to a target message in the routing query table; alternatively, the first and second electrodes may be,
sending the identifier of the target message to a routing lookup table, wherein the routing lookup table is used for determining the forwarding attribute corresponding to the target message according to the identifier of the target message; and receiving the forwarding attribute corresponding to the target message sent by the routing lookup table.
Optionally, the method further comprises:
receiving an updated routing lookup table;
acquiring position information corresponding to a routing lookup table;
and according to the position information, covering the updated routing query table with the routing query table.
Optionally, the method further comprises:
receiving an updated target message;
and reading the updated routing query table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated routing query table, and determining the forwarding channel corresponding to the updated target message based on the forwarding attribute.
In a third aspect, an embodiment of the present disclosure provides a gateway control apparatus, where the apparatus includes:
a receiving unit, configured to receive a target packet;
the device comprises a determining unit, a forwarding unit and a forwarding unit, wherein the determining unit is used for determining a forwarding attribute corresponding to a target message according to the target message and a routing lookup table, and determining a forwarding channel corresponding to the message based on the forwarding attribute, the routing lookup table is used for storing a corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises the forwarding channel corresponding to the message;
and the forwarding unit is used for forwarding the target message from the forwarding channel.
In a fourth aspect, an embodiment of the present disclosure provides an electronic device, including:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the gateway control method as described above.
In a fifth aspect, the present disclosure provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the gateway control method as described above.
The embodiment of the disclosure provides a gateway, which comprises a main chip and a transceiver, wherein the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages relatively independently through the channels; the main chip comprises a routing logic control module and a routing query table, wherein the routing query table is used for storing the corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises a forwarding channel corresponding to the message; the routing logic control module is used for reading the routing query table after detecting that any channel of the transceiver receives the message, determining the forwarding attribute corresponding to the message based on the routing query table, determining the forwarding channel based on the forwarding attribute, and forwarding the message from the forwarding channel through the transceiver. According to the gateway provided by the disclosure, the routing logic control module and the routing lookup table are respectively arranged in the main chip, so that the routing lookup table with high updating frequency can be conveniently upgraded, because the forwarding rule of the message is stored in the routing lookup table, and the routing logic control module is used for carrying out logic control of message forwarding according to the routing lookup table, different routing lookup tables can be arranged for each vehicle type, a specific gateway specially developed and designed for each vehicle type is not required, the development period is short, and the development speed is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a gateway according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another gateway provided in the embodiment of the present disclosure;
fig. 3 is a schematic flowchart of a gateway control method according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of a gateway control method according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating an update of a routing lookup table according to an embodiment of the disclosure;
fig. 6 is a schematic structural diagram of a gateway control apparatus according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Aiming at the technical problems that the production and development period is long, the matching with the vehicle model is required, and the updating and upgrading are difficult in the gateway, the embodiment of the disclosure provides a gateway, and specifically refer to fig. 1, wherein fig. 1 is a schematic structural diagram of the gateway provided by the embodiment of the disclosure. In fig. 1, the gateway 100 specifically includes a main chip 110 and a transceiver 120, where the main chip 110 includes a routing logic control module 111 and a routing lookup table 112, and the transceiver 120 includes a plurality of channels, such as channel 1, channel 2, channel 3, and channel 4.
The main chip 110 is responsible for routing policies inside the gateway 100, a program for implementing a function module is preset inside the main chip 110, the two function modules are a routing logic control module 111 and a routing lookup table 112, the routing logic control module 111 has an arbitration attribute, is responsible for monitoring messages received by each channel in the transceiver 120, is responsible for reading the routing lookup table 112, is responsible for receiving forwarding attributes sent by the routing lookup table, and is responsible for forwarding messages received by the transceiver 120 to a forwarding channel in the transceiver 120, it can be understood that a channel in the transceiver 120 that receives a message and a channel in the transceiver that forwards a message are not the same channel. The routing lookup table 112 stores forwarding rules that record multiple packets, where a forwarding rule refers to a forwarding attribute corresponding to a packet and is responsible for providing a packet forwarding basis for the routing logic control module 111, that is, determining a forwarding attribute corresponding to a packet, where a forwarding channel exists in the forwarding attribute, that is, a received packet is forwarded through that channel.
The transceiver 120 is used as a physical layer medium in the gateway 100 and is responsible for outputting a level signal conforming to a protocol standard, and may be specifically understood as providing a channel for receiving a message and forwarding the message, and the plurality of channels in the transceiver 120 may also transmit other data besides the message, which is not limited herein.
Illustratively, the internal flow of the main chip 110 specifically includes: the routing logic control module 111 monitors that channel 1 in the transceiver 120 receives a packet, and channel 1 may receive multiple packets, taking channel 1 receives 1 packet as an example, a packet may be denoted as packet 1, identify an ID of the packet 1 and read the routing lookup table 112, compare and analyze the ID in the routing lookup table 112 to determine a forwarding attribute corresponding to the packet 1, or, after identifying the ID of the packet 1, send the ID of the packet to the routing lookup table, the routing lookup table determines the forwarding attribute of the packet according to the ID of the packet, and returns the forwarding attribute of the packet to the routing logic control module, where the forwarding attribute includes a forwarding channel, where the storage form of the routing lookup table 112 may be a forwarding channel corresponding to the ID and the ID, for example, the ID of the packet 1 is ID1, the corresponding forwarding channel is channel 1, the forwarding channel corresponding to ID2 is channel 2, if the ID of the packet 1 is ID2, it can be determined through the routing lookup table 112 that the forwarding path is path 2, and thus for packet 1, the receiving path is path 1 and the forwarding path is path 2. Then, the routing logic control module 111 forwards the packet 1 from the channel 2, and sends the packet to the connected domain controller or electronic control unit through the channel 2. It will be appreciated that the domain controller or electronic control unit connected to each channel in the transceiver 120 may be different to maximize the efficiency of data forwarding.
Illustratively, the flow inside the main chip 110 further includes: the routing logic control module 111 monitors that the channel 2 in the transceiver 120 receives the request information of the message 1, and the request signal of the message 1 can be understood as that the electronic control unit connected to the channel 2 requests to send the message 1, that is, the electronic control unit needs the message 1 and sends the request information of the request message 1 to the gateway, and after the routing logic control module 111 monitors that the channel 1 receives the message 1, the operations of identifying the ID of the message 1, reading the routing lookup table 112 to determine a forwarding channel and the like may not be performed, and the message 1 received by the channel 1 is directly forwarded to the channel 2, and then is sent to the electronic control unit by the channel 2.
The gateway 100 further includes a power module, which is respectively connected to the main chip 110 and the transceiver 120, and is configured to provide an electrical signal to the main chip 110 and the transceiver 120, and also to monitor an operating state of the main chip 110.
It can be understood that, referring to fig. 2, fig. 2 is a schematic structural diagram of another gateway provided in the embodiment of the present disclosure, in fig. 2, a power module 230 is added to the gateway 200 based on the gateway 100, the configurations of the main chip 210 and the main chip 110 are the same, and the configurations of the transceiver 120 and the transceiver 220 are the same. The power module 230 supplies power to the main chip 210 and the transceiver 220, and the power module 230 is further configured to monitor an operation state of the main chip 210, and when the operation of the main chip 210 fails, the power module may be powered on again to restart the main chip 210, thereby improving the availability of the gateway.
Illustratively, the operation mode inside the gateway 200 is as follows: the power module 230 is started to start supplying power to the main chip 210 and the transceiver 220, the main chip 210 enters a working state after supplying power, the working state refers to a state in which the main chip 210 processes according to the above-mentioned flow, the transceiver 220 also enters a working state after supplying power, and the working state of the transceiver 220 refers to a state in which a message can be received and forwarded. When a message is active on a bus externally connected to the gateway 200 through the transceiver 220, a channel in the transceiver 220 receives the message when detecting that the message is sent, for example, the channel 1 receives the message 1 when detecting that the message 1 is sent, the routing logic control module 211 in the main chip 210 starts to work, acquires the ID of the message 1 after monitoring that the channel 1 receives the message 1, reads and queries the routing lookup table 212 to obtain a forwarding attribute corresponding to the message 1, where the forwarding attribute includes a forwarding channel of the message 1, and then forwards the message 1 to the forwarding channel (channel 2).
The routing logic control module 211 and the routing lookup table 212 in the main chip 210 are separately stored in a storage area of the main chip 210, the main chip 210 may be divided into a plurality of storage areas, the number of times of writing and reading of each storage area may be set according to user requirements, and the plurality of storage areas may specifically include a data storage area and a code storage area. The writing or the brushing times of the data storage area can be set to be higher, the brushing times can be understood as that the number of times of updating files stored in the data storage area is more, the brushing times can be specifically set to be 10 ten thousand, the routing query table 212 can be stored in the data storage area, the routing query table 212 is convenient to update, the routing query table 212 mainly stores forwarding rules of messages, because the forwarding rules in the routing query table 212 need to be updated along with the use and the upgrade of vehicles, the routing query table 212 and the routing logic control module 211 in the related technology are mostly realized by one program, that is, one program realizes the functions corresponding to the routing query table 212 and the routing logic control module 211, but the realization method has long development cycle, is difficult to update the program and is difficult to realize, the method is mainly realized by replacing the gateway, is complex to operate and is easy to cause resource waste, so that the routing query table 212 and the routing logic control module 211 are separately stored, the routing query table 212 with higher iteration speed can be conveniently updated, the routing query table 212 and the routing logic control module 211 can be independently stored and updated respectively and do not influence each other, the updating speed is higher, and the subsequent updating of the routing query table 212 can be flexibly supported; it should be understood that the data storage area may be understood as a nonvolatile memory, and the nonvolatile memory may also be understood as a nonvolatile memory (NVM), which refers to a computer memory in which stored data does not disappear after the current is turned off, and in the nonvolatile memory, the routing lookup table 212 may be understood as a file that can be rewritten at any time, based on whether the data in the memory can be rewritten at any time when the computer is used. The code storage area may store important core codes, the number of times of flushing the code storage area may be set to be small, and may be set to 2000 times, for example, the routing logic control module 211 may be stored in the code storage area, and may also be understood as a program corresponding to the routing logic control module is solidified in the code storage area, the routing logic control module 211 implements monitoring, reading, and determining logic, the number of times of updating is small, generally, updating may not be needed, and only the routing lookup table 212 needs to be updated. When the routing logic control module 211 needs to be updated, the update may be performed separately without affecting programs in other storage areas, for example, without affecting the routing lookup table.
It can be understood that after the power module 200 supplies power to the main chip 210 and the flip-flop 220, the main chip 210 and the flip-flop 220 enter a working state respectively, the routing logic control module 211 in the main chip 210 also enters a working state, and the routing lookup table 212 in the main chip 210 also enters a working state according to a preset default value.
The gateway 200 further includes an update module, which may be configured in the main chip 210 or directly in the gateway 200, and the specific configuration location is not limited. The updating module is specifically configured to receive the updated routing lookup table, and cover the updated routing lookup table with the routing lookup table stored in the data storage area, that is, update the routing lookup table, where the updated routing lookup table may be added with a packet ID and a corresponding forwarding channel on the original basis. The routing lookup table has specific location information in the data storage area, where the location information refers to a specific address (fixed address) of the routing lookup table in the data storage area, and can support updating through a Unified Diagnostic Service (UDS), and specifically, the updated routing lookup table can be written to the address by using an external calibration tool to cover the routing lookup table at the original address, thereby completing updating. The external calibration tool may be a tool supporting update of a routing lookup table protocol (UDS protocol), and is used to write in the routing lookup table, where the routing lookup table 212 is specifically an independent file, and when the routing lookup table 212 is updated, the routing logic control module 211 stored in the code storage area is not affected.
It can be understood that after the routing lookup table 211 is updated, the routing logic control module 212 monitors the transceiver 220 again to receive a new packet, and determines a forwarding channel of the new packet according to the updated routing lookup table 211.
Optionally, determining a forwarding attribute corresponding to the packet based on the routing lookup table specifically includes: reading a routing lookup table, and determining a forwarding attribute corresponding to the message in the routing lookup table; or, the identifier of the message is sent to a routing lookup table, and the routing lookup table is used for determining the forwarding attribute corresponding to the message according to the identifier of the message; and receiving the forwarding attribute corresponding to the message sent by the routing lookup table.
It can be understood that the routing logic control module 111 monitors that the channel 1 in the transceiver 120 receives a message, and the channel 1 can receive a plurality of messages, and taking the example that the channel 1 receives 1 message, the message can be recorded as message 1. The method for determining the forwarding attribute of the packet by the routing logic control module 111 includes: identifying the ID of the packet 1 and reading the routing lookup table 112, comparing and analyzing the ID in the routing lookup table 112 to determine the forwarding attribute corresponding to the packet 1, or sending the ID of the packet to the routing lookup table 112 after identifying the ID of the packet 1, the routing lookup table 112 determining the forwarding attribute of the packet according to the ID of the packet and returning the forwarding attribute of the packet to the routing logic control module 111, and the routing logic control module 111 receiving the forwarding attribute of the packet.
The embodiment of the disclosure provides a gateway, which comprises a main chip and a transceiver, wherein the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages relatively independently through the channels; the main chip comprises a routing logic control module and a routing query table, wherein the routing query table is used for storing the corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises a forwarding channel corresponding to the message; the routing logic control module is used for determining a forwarding attribute corresponding to the message based on the routing lookup table after detecting that any channel of the transceiver receives the message, determining a forwarding channel based on the forwarding attribute, and forwarding the message from the forwarding channel through the transceiver. According to the gateway provided by the disclosure, the routing logic control module and the routing lookup table are respectively arranged in the main chip, so that the routing lookup table with high updating frequency can be conveniently upgraded, the routing lookup table stores forwarding rules of messages, and the routing logic control module performs logic control of message forwarding based on the routing lookup table, so that the routing lookup table can be arranged for each vehicle type, a specific gateway specially designed for each vehicle type is not required to be developed, the development period is short, the development speed is high, and the user experience is good.
On the basis of the foregoing embodiment, fig. 3 is a gateway control method provided by the embodiment of the present disclosure, which is applied to the gateway 100 or the gateway 200, and the following embodiment takes the gateway 200 as an example for explanation, and specifically includes steps S310 to S330 shown in fig. 3:
s310, receiving the target message.
It can be understood that a channel in the transceiver 220 in the gateway 200 receives a message, and the message may be denoted as a target message, and the target message may be understood as a received but not yet forwarded message, that is, a message to be processed. It can be understood that a plurality of channels of the transceiver may receive at least one message at the same time, for example, all of the channels 1 to 3 receive one message, a certain channel may also receive a plurality of messages, the plurality of messages may be received and sorted according to the time sequence of the received messages and stored in the to-be-processed list, if the plurality of messages are received at the same time, the plurality of messages may be sorted according to the channel sequence of the received messages, for example, the message received by the channel 1 is preferentially processed, the message received by the channel 2 is processed, or sorted according to the preset priority of the message, for example, the message with higher priority of the message is preferentially processed, or the plurality of messages may be processed in parallel.
S320, determining the forwarding attribute corresponding to the target message according to the target message and the routing lookup table, and determining the forwarding channel corresponding to the target message based on the forwarding attribute.
Optionally, the routing lookup table is configured to store a corresponding relationship between the packet and a forwarding attribute, where the forwarding attribute includes a forwarding channel corresponding to the target packet.
It can be understood that, on the basis of the above S310, after receiving the target packet, a certain channel in the transceiver reads the routing lookup table, and determines a forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table, that is, a forwarding attribute corresponding to an ID of the target packet is queried in the routing lookup table, and finally determines a forwarding channel corresponding to the target packet based on the forwarding attribute, where the forwarding attribute includes the forwarding channel. For example, the channel 1 receives the target packet (packet 1), reads the routing lookup table to determine the forwarding channel corresponding to the ID of the packet 1, and the forwarding channel corresponding to the ID1 of the packet 1 is the channel 2.
Optionally, the determining, in S320, the forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table specifically includes: reading a routing query table, and determining a forwarding attribute corresponding to a target message in the routing query table; or, the identifier of the target message is sent to a routing lookup table, and the routing lookup table is used for determining the forwarding attribute corresponding to the target message according to the identifier of the target message; and receiving the forwarding attribute corresponding to the target message sent by the routing lookup table.
It can be understood that, the routing logic control module in the gateway monitors that the channel 1 in the transceiver receives the message, and the channel 1 can receive a plurality of messages, and taking the example that the channel 1 receives 1 message, the message can be recorded as message 1. The method for determining the forwarding attribute of the message by the routing logic control module comprises the following steps: and identifying the ID of the message 1, reading a routing lookup table, comparing and analyzing the ID in the routing lookup table to determine the forwarding attribute corresponding to the message 1, or sending the ID of the message to the routing lookup table after identifying the ID of the message 1, determining the forwarding attribute of the message according to the ID of the message by the routing lookup table, returning the forwarding attribute of the message to a routing logic control module, and receiving the forwarding attribute of the message by the routing logic control module.
S330, the target message is forwarded from the forwarding channel.
Understandably, after the forwarding channel of the target packet is determined based on the above S320, the target packet is forwarded from the forwarding channel and forwarded to the electronic control unit or the domain controller connected to the forwarding channel. For example, the packet 1 is forwarded from the channel 2 to an electronic control unit or a domain controller connected to the channel 2. It can be understood that, for the same message, the channels for receiving and forwarding are different, that is, the message 1 received by the channel 1 cannot be forwarded through the channel 1, and can be forwarded by other channels in the transceiver except the channel 1. For example, the message 1 received by the channel 1 is generated by a user pressing a wiper opening key, and the channel 2 for forwarding the message 1 should be an electronic control unit connected with the wiper, that is, a control command for opening the wiper is sent to the wiper, so that the wiper is controlled to slide up and down, rather than being returned to the wiper opening key from the original channel.
According to the gateway control method provided by the embodiment of the disclosure, a target message is received, a forwarding attribute corresponding to the target message is determined according to the target message and a routing lookup table, and then a forwarding channel corresponding to the target message is determined based on the forwarding attribute, wherein the routing lookup table is used for storing a corresponding relation between the message and the forwarding attribute, the forwarding attribute comprises the forwarding channel corresponding to the message, and finally the target message is forwarded from the forwarding channel to complete the receiving and sending of the message.
On the basis of the foregoing embodiment, fig. 4 is a gateway control method provided by the embodiment of the present disclosure, which is applied to the gateway 100 or the gateway 200, and the following embodiment takes the gateway 200 as an example to describe, and specifically includes steps S410 to S420 shown in fig. 4:
s410, receiving the updated routing lookup table.
It can be understood that the gateway receives the updated routing lookup table, and the updated routing lookup table may be sent by the calibration tool, or the calibration tool directly writes the updated routing lookup table into the gateway. The forwarding rule may be added or modified in the updated routing lookup table, that is, the packet ID and the corresponding forwarding attribute may be modified, for example, the correspondence between the packet ID5 and the channel 5 may be added, or the channel 4 corresponding to the packet ID4 may be modified to be the channel 3, etc., and the modification form of the forwarding rule in the specific updated routing lookup table is not limited, and may be modified by itself according to the user requirement, as long as the routing logic control module can read the routing lookup table and determine the forwarding channel of the packet.
And S420, acquiring the position information corresponding to the routing lookup table.
And S430, according to the position information, covering the updated routing query table with the routing query table.
Understandably, on the basis of the above S410, the location information of the routing lookup table in the data storage area of the main chip is obtained, where the location information also refers to a specific address stored in the data storage area, and then the updated routing lookup table is written into the data storage area according to the address of the current routing lookup table, that is, the updated routing lookup table is overlaid on the original routing lookup table, so as to complete the independent update of the routing lookup table.
It can be understood that, when the gateway is developed, because the routing logic control module and the routing lookup table are separately and independently stored in the main chip, the two function modules, namely the routing logic control module and the routing lookup table, can be developed by different developers respectively, or not developed at the same time, the routing logic control module mainly executes the steps of monitoring the transceiver, reading the routing lookup table, determining the forwarding channel, forwarding the packet to the forwarding channel, and the like, as long as the steps are executed in sequence, the execution sequence in the routing logic control module is unchanged no matter how the information of the packet and the routing lookup table change, the compatibility is strong, and the routing logic control module can be developed in batch at one time based on the reasons, so that the development period is reduced. Secondly, the routing lookup table only stores the corresponding relationship between the message and the forwarding attribute, independent files can be designed according to vehicle types, development of the routing logic control module is not affected, for example, a user a can be responsible for basic parts of the gateway, entry of the working state of the gateway and design of the routing logic control module, a user B designs the routing lookup table according to actual use requirements, and the designed routing lookup table generates a file format meeting requirements and then is written into a data storage area of the main chip through a calibration tool. When the routing strategy of the gateway needs to be adjusted, only the routing query table needs to be updated, so that the compiling, integrating and purchasing periods of the program in the main chip are greatly reduced. The gateway only comprising the routing control module can be designed and generated in advance, the routing query table can be set by a user according to the format of the routing query table, the designed routing query table is written into the gateway, the development period of the gateway can be greatly shortened, the gateway is convenient to update, a large number of manpower and material resources are saved, and the availability of the gateway is improved.
Optionally, the gateway control method further includes: receiving an updated target message; and reading the updated routing query table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated routing query table, and determining the forwarding channel corresponding to the updated target message based on the forwarding attribute.
Understandably, after the routing lookup table stored in the data storage area in the main chip is updated, the power module supplies power again, and the gateway executes the forwarding rule in the updated routing lookup table. Specifically, after the routing lookup table is updated, a certain channel (channel 1) in the transceiver receives an updated target packet, the updated target packet may be denoted as packet 2, the updated routing lookup table is read, a forwarding attribute corresponding to packet 2 is determined according to packet 2 and the updated routing lookup table, the forwarding attribute includes a forwarding channel corresponding to packet 2, for example, the ID of packet 2 is ID2, the forwarding channel corresponding to ID2 in the updated routing lookup table is channel 2, and then packet 2 is forwarded from channel 2.
For example, referring to fig. 5, fig. 5 is a schematic diagram illustrating an update of a routing lookup table provided by an embodiment of the present disclosure, and fig. 5 specifically includes a gateway 500, a calibration tool 510, and an updated routing lookup table 520, because the routing lookup table is updated independently and has no influence on other components in the gateway 500, only the main chip 501 and the routing lookup table 502 in the main chip 501 are displayed in the gateway 500, the calibration tool 510 may directly write the updated routing lookup table 520 into the main chip 501, and the updated routing lookup table 520 covers the routing lookup table 502 to complete the independent update of the routing lookup table in the gateway.
The gateway control method provided by the embodiment of the disclosure can provide a calibration tool to update the routing lookup table only, and then complete the update of the routing logic in the gateway, the method is simple and convenient, does not affect other functional modules in the gateway, has a fast update speed, can set the forwarding rule of the routing lookup table according to the user requirement, and performs multiple updates, thereby improving the user experience.
Fig. 6 is a schematic structural diagram of a gateway control apparatus according to an embodiment of the present disclosure. The gateway control apparatus provided in the embodiment of the present disclosure may execute the processing procedure provided in the embodiment of the gateway control method, and is applied to the gateway 100 or the gateway 200, as shown in fig. 6, the gateway control apparatus 600 includes:
a receiving unit 610, configured to receive a target packet;
a determining unit 620, configured to determine a forwarding attribute corresponding to the target packet according to the target packet and a routing lookup table, and determine a forwarding channel corresponding to the target packet based on the forwarding attribute, where the routing lookup table is used to store a corresponding relationship between the packet and the forwarding attribute, and the forwarding attribute includes the forwarding channel corresponding to the packet;
a forwarding unit 630, configured to forward the target packet from the forwarding channel.
Optionally, the determining unit 620 determines a forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table, and is specifically configured to:
reading a routing query table, and determining a forwarding attribute corresponding to a target message in the routing query table; alternatively, the first and second electrodes may be,
sending the identifier of the target message to a routing lookup table, wherein the routing lookup table is used for determining the forwarding attribute corresponding to the target message according to the identifier of the target message; and receiving the forwarding attribute corresponding to the target message sent by the routing lookup table.
Optionally, the apparatus 600 further includes an updating unit, where the updating unit is specifically configured to:
receiving an updated routing lookup table;
acquiring position information corresponding to a routing lookup table;
and according to the position information, covering the updated routing query table with the routing query table.
Optionally, the apparatus 600 further includes a using unit, where the using unit is specifically configured to:
receiving an updated target message;
and reading the updated routing query table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated routing query table, and determining the forwarding channel corresponding to the updated target message based on the forwarding attribute.
The gateway control apparatus in the embodiment shown in fig. 6 may be used to implement the technical solutions in the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. Referring now specifically to fig. 7, a schematic diagram of an electronic device 700 suitable for use in implementing embodiments of the present disclosure is shown. The electronic device 700 in the disclosed embodiment may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), a wearable electronic device, and the like, and a stationary terminal such as a digital TV, a desktop computer, a smart home device, and the like. The electronic device shown in fig. 7 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 7, the electronic device 700 may include a processing means (e.g., a central processing unit, a graphic processor, etc.) 701, which may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)702 or a program loaded from a storage means 708 into a Random Access Memory (RAM)703 to implement the multimedia information processing method according to the embodiments described in the present disclosure. In the RAM 703, various programs and data necessary for the operation of the electronic apparatus 700 are also stored. The processing device 701, the ROM 702, and the RAM 703 are connected to each other by a bus 704. An input/output (I/O) interface 705 is also connected to bus 704.
Generally, the following devices may be connected to the I/O interface 705: input devices 706 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 707 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 708 including, for example, magnetic tape, hard disk, etc.; and a communication device 709. The communication means 709 may allow the electronic device 700 to communicate wirelessly or by wire with other devices to exchange data. While fig. 7 illustrates an electronic device 700 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer readable medium, the computer program containing program code for performing the method illustrated in the flow chart, thereby implementing the multimedia information processing method as described above. In such embodiments, the computer program may be downloaded and installed from a network via the communication means 709, or may be installed from the storage means 708, or may be installed from the ROM 702. The computer program, when executed by the processing device 701, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
Optionally, when the one or more programs are executed by the electronic device, the electronic device may further perform other steps described in the above embodiments.
Computer program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including but not limited to an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or gateway that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or gateway. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or gateway that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A gateway, characterized in that the gateway comprises a master chip and a transceiver;
the transceiver comprises a plurality of channels, and the transceiver transmits and receives messages through the plurality of channels;
the main chip comprises a routing logic control module and a routing lookup table, wherein the routing lookup table is used for storing the corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises a forwarding channel corresponding to the message; the routing logic control module is configured to determine a forwarding attribute corresponding to the packet based on the routing lookup table after detecting that any channel of the transceiver receives the packet, determine a forwarding channel based on the forwarding attribute, and forward the packet from the forwarding channel through the transceiver.
2. The gateway of claim 1, further comprising a power module;
the power module is respectively connected with the main chip and the transceiver, and is used for providing electric signals for the main chip and the transceiver and monitoring the running state of the main chip.
3. The method of claim 1, wherein the routing lookup table is stored in a data storage area of the master chip;
the routing logic control module is stored in a code storage area of the main chip.
4. The method of claim 1, wherein the gateway further comprises an update module configured to receive an updated routing lookup table and overlay the updated routing lookup table with the routing lookup table.
5. The method of claim 1, wherein the determining the forwarding attribute corresponding to the packet based on the routing lookup table comprises:
reading the routing lookup table, and determining a forwarding attribute corresponding to the message in the routing lookup table; alternatively, the first and second electrodes may be,
sending the identifier of the message to the routing lookup table, wherein the routing lookup table is used for determining the forwarding attribute corresponding to the message according to the identifier of the message; and receiving the forwarding attribute corresponding to the message sent by the routing lookup table.
6. A gateway control method, characterized in that the method comprises:
receiving a target message;
determining a forwarding attribute corresponding to the target message according to the target message and a routing lookup table, and determining a forwarding channel corresponding to the target message based on the forwarding attribute, wherein the routing lookup table is used for storing a corresponding relation between the message and the forwarding attribute, and the forwarding attribute comprises the forwarding channel corresponding to the message;
and forwarding the target message from the forwarding channel.
7. The method of claim 6, wherein determining the forwarding attribute corresponding to the target packet according to the target packet and a routing lookup table comprises:
reading a routing query table, and determining a forwarding attribute corresponding to the target message in the routing query table; alternatively, the first and second electrodes may be,
sending the identifier of the target message to the routing lookup table, wherein the routing lookup table is used for determining the forwarding attribute corresponding to the target message according to the identifier of the target message; and receiving the forwarding attribute corresponding to the target message sent by the routing lookup table.
8. The method of claim 6, further comprising:
receiving an updated routing lookup table;
acquiring position information corresponding to the routing lookup table;
and covering the updated routing query table with the routing query table according to the position information.
9. An apparatus for gateway control, the apparatus comprising:
a receiving unit, configured to receive a target packet;
a determining unit, configured to determine a forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table, and determine a forwarding channel corresponding to the target packet based on the forwarding attribute, where the routing lookup table is used to store a correspondence between a packet and the forwarding attribute, and the forwarding attribute includes the forwarding channel corresponding to the packet;
and the forwarding unit is used for forwarding the target message from the forwarding channel.
10. An electronic device, comprising:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the gateway control method of any of claims 6 to 8.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the gateway control method according to any one of claims 6 to 8.
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