CN114422436B - 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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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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Abstract
The present disclosure relates to a gateway, a gateway control method, an apparatus, an electronic device, and a storage medium. The gateway 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 lookup table, wherein the routing lookup table is used for storing the corresponding relation between the message and the forwarding attribute; the routing logic control module is used for detecting a message received by any channel of the transceiver, determining a forwarding channel corresponding to the target message based on the routing lookup table, and 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 higher updating frequency, the routing lookup table stores the forwarding rule of the message, the routing logic control module stores the forwarding logic of the message, and a specific gateway is not required to be specially developed and designed for each vehicle type, only the routing lookup table is required to be designed, the development period is short, the development speed is high, and the cost is low.
Description
Technical Field
The disclosure relates to the technical field of gateways, and in particular relates to a gateway, a gateway control method, a gateway control device, electronic equipment and a storage medium.
Background
The gateway is a hub node integrating communication between buses and is responsible for data forwarding of each bus segment. Taking a controller area network (Controller Area Network, CAN) as an example, a gateway transmits a message by identifying an identification number (Identity document, ID) of the received message, querying an internal routing policy to forward the message to a target network segment, and solidifying the current gateway routing logic in a chip in the gateway after development is completed.
However, with the use of a gateway, gateway routing logic within the gateway may be updated. Taking the example of message forwarding by a vehicle application gateway, the message disposition of vehicles of different models is different, the internal routing logic of the gateway is also different, and in order to meet the personalized requirements of the vehicles of different models, special gateways are required to be developed for the vehicles of different models respectively, the message and the identity number in the vehicles of each model are different, and the routing logic is also different. Therefore, in the gateway development process, specific gateways are required to be developed for vehicles with different models, the development is complicated, the development period is long, and secondly, when the gateway routing logic needs to be updated, the gateway controller is directly replaced, so that the cost is high.
Disclosure of Invention
In order to solve the technical problems, the present disclosure provides a gateway, a gateway control method, a gateway control device, an electronic device and a storage medium.
In a first aspect, embodiments of the present disclosure provide a gateway, the gateway including a main chip and a transceiver;
the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages through the 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 used for determining the forwarding attribute corresponding to the message based on the routing lookup table after detecting that any channel of the transceiver receives the message, determining the forwarding channel based on the forwarding attribute, and forwarding the message from the forwarding channel through the transceiver.
Optionally, the gateway further comprises 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 update module, where the update module is configured to receive the updated routing lookup table and overlay the updated routing lookup table with the routing lookup table.
Optionally, determining the forwarding attribute corresponding to the packet based on the routing lookup table includes:
reading a routing lookup table, and determining forwarding attributes corresponding to the message in the routing lookup table; or,
the method comprises the steps of sending the identification of a message to a routing lookup table, wherein the routing lookup table is used for determining forwarding attributes corresponding to the message according to the identification of the message; and receiving forwarding attributes corresponding to the messages sent by the routing lookup table.
In a second aspect, an embodiment of the present disclosure provides a gateway control method, including:
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 the forwarding attribute corresponding to the target message according to the target message and the routing lookup table includes:
Reading a routing lookup table, and determining forwarding attributes corresponding to the target message in the routing lookup table; or,
the identification of the target message is sent to a routing lookup table, and the routing lookup table is used for determining forwarding attributes corresponding to the target message according to the identification 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, the updated routing lookup table is covered with the routing lookup table.
Optionally, the method further comprises:
receiving an updated target message;
reading the updated route lookup table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated route lookup 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, including:
the receiving unit is used for receiving the target message;
the determining unit is used for determining forwarding attributes corresponding to the target message according to the target message and the routing lookup table, and determining forwarding channels corresponding to the message based on the forwarding attributes, wherein the routing lookup table is used for storing the corresponding relation between the message and the forwarding attributes, and the forwarding attributes comprise the forwarding channels 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 a memory and configured to be executed by a processor to implement the gateway control method as described above.
In a fifth aspect, embodiments of the present disclosure provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of a 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 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 used for reading the routing lookup table after detecting that any channel of the transceiver receives the message, determining the forwarding attribute corresponding to the message based on the routing lookup 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 higher updating frequency is conveniently updated, and because the routing lookup table stores the forwarding rule of the message, the routing logic control module is used for carrying out logic control on forwarding of the message according to the routing lookup table, so that different routing lookup tables can be arranged for each vehicle type, a special gateway does not need to be specially developed and designed for each vehicle type, the development period is shorter, and the development speed is faster.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
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 according to an embodiment of the present disclosure;
fig. 3 is a schematic flow chart of a gateway control method according to an embodiment of the disclosure;
fig. 4 is a schematic flow chart of a gateway control method according to an embodiment of the disclosure;
fig. 5 is an update schematic diagram of a routing lookup table according to an embodiment of the present 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, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
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 otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
Aiming at the technical problems of long production and development period, need to be matched with the model of the vehicle and difficulty in updating and upgrading of the gateway, the embodiment of the disclosure provides a gateway, particularly referring to fig. 1, and fig. 1 is a schematic structural diagram of the gateway provided by the embodiment of the disclosure. Gateway 100 in fig. 1 specifically includes a main chip 110 and a transceiver 120, where main chip 110 includes a routing logic control module 111 and a routing lookup table 112, and transceiver 120 includes multiple channels, such as channel 1, channel 2, channel 3, and channel 4.
The main chip 110 is responsible for a routing policy in the gateway 100, a program for implementing a functional module is preset in the main chip 110, the two functional 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 a message received by each channel in the transceiver 120, is responsible for reading the routing lookup table 112, is responsible for receiving a forwarding attribute sent by the routing lookup table, and is responsible for forwarding the message received by the transceiver 120 to a forwarding channel in the transceiver 120. The routing lookup table 112 stores and records forwarding rules of a plurality of messages, where the forwarding rules refer to forwarding attributes corresponding to the messages, and are responsible for providing a packet forwarding basis for the routing logic control module 111, that is, determining the forwarding attribute corresponding to the messages, where a forwarding channel exists in the forwarding attribute, that is, forwarding a received message 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, which can be understood specifically as providing a channel for receiving a message and forwarding the message, and the multiple channels in the transceiver 120 can also transmit other data besides the message, which is not limited herein.
The flow inside the main chip 110 specifically includes: the routing logic control module 111 monitors that the channel 1 in the transceiver 120 receives a message, the channel 1 may receive a plurality of messages, for example, the channel 1 may receive 1 message, which may be recorded as a message 1, identify the ID of the message 1 and read the routing lookup table 112, compare and determine the forwarding attribute corresponding to the message 1 in the routing lookup table 112, or send the ID of the message to the routing lookup table after identifying the ID of the message 1, and the routing lookup table determines the forwarding attribute of the message according to the ID of the message, and returns the forwarding attribute of the message to the routing logic control module, where the forwarding attribute includes a forwarding channel, and a storage form of the routing lookup table 112 may be ID and a forwarding channel corresponding to the ID, for example, the ID of the message 1 is ID1, the corresponding forwarding channel is channel 2, if the ID of the message 1 is ID2, and the forwarding channel can be determined to be channel 2 by the routing lookup table 112, and then for the message 1, the receiving channel is channel 2. Message 1 is then forwarded from channel 2 by the routing logic control module 111 and sent by channel 2 to the connected domain controller or electronic control unit. It is understood that the domain controller or electronic control unit to which each channel in transceiver 120 is connected may be different to maximize the efficiency of data forwarding.
Illustratively, the process within 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 with the channel 2 requests to send the message 1, that is, the electronic control unit needs the message 1, 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 routing logic control module 111 can directly forward the message 1 received by the channel 1 to the channel 2 and then send the message 2 to the electronic control unit without operations of identifying the ID of the message 1 and reading the routing lookup table 112 to determine a forwarding channel.
The gateway 100 further includes a power module connected to the main chip 110 and the transceiver 120, respectively, for providing the main chip 110 and the transceiver 120 with electrical signals and for monitoring the operation 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 of fig. 2, and the configuration of a main chip 210 is the same as that of a main chip 110, and the configuration of a transceiver 120 is the same as that of a transceiver 220. The power module 230 is configured to supply power to the main chip 210 and the transceiver 220, and secondly, 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 further be powered on again to restart the main chip 210, thereby improving the usability of the gateway.
The gateway 200 operates in the following way: the power module 230 is started to start supplying power to the main chip 210 and the transceiver 220, the main chip 210 enters an operating state after supplying power, the operating state refers to a state that the main chip 210 processes according to the above flow, the transceiver 220 also enters an operating state after supplying power, and the operating state of the transceiver 220 refers to a state that the transceiver can receive and forward messages. When the gateway 200 is active through the bus externally connected to the transceiver 220, a channel in the transceiver 220 receives a message when detecting that a message is sent, for example, a channel 1 receives a message 1 when detecting that a message 1 is sent, a routing logic control module 211 in the main chip 210 starts working, acquires an ID of the message 1 after monitoring that the channel 1 receives the message 1, reads and queries a 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, and the main chip 210 can be divided into a plurality of storage areas, wherein the number of times of writing and reading of each storage area can be set according to the user requirement, and the plurality of storage areas can specifically include a data storage area and a code storage area. The number of times of writing or writing in the data storage area can be set to be higher, the higher number of times of writing can be understood as that the number of times of updating can be carried out on the file stored in the data storage area is relatively more, the number of times of writing can be set to be 10 ten thousand times, the routing lookup table 212 can be stored in the data storage area, the routing lookup table 212 is convenient to update, and the forwarding rule of the message is mainly stored in the routing lookup table 212, because the forwarding rule in the routing lookup table 212 needs to be updated along with the use and the upgrading of a vehicle, the routing lookup table 212 and the routing logic control module 211 in the related art are realized by one program, namely, the functions corresponding to the routing lookup table 212 and the routing logic control module 211 are realized by one program, but the development period of the realization mode is long, the updating program is difficult to realize, and the updating is difficult to realize by replacing a gateway, the operation is tedious, the resource waste is easy to be caused, so that the routing lookup table 212 and the routing logic control module 211 are stored separately, the updating iteration speed is convenient to update the routing lookup table 212 relatively fast, and the routing lookup table 212 and the routing logic control module 211 can not influence the updating speed of the routing lookup table 212 and the routing logic control module 211 and the routing lookup table can not update each other flexibly and each other, and the updating speed can not influence the updating speed and the routing logic control module and the updating speed; it should be understood that the data storage area may be understood as a nonvolatile memory, and the nonvolatile memory may 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, whether the data in the memory can be rewritten at any time when the computer is used as a standard, and the routing lookup table 212 may be understood as a file that can be rewritten at any time. The code storage area may store important core codes, the number of times of writing and reading of the code storage area may be set to be less, and may be set to be 2000 times, for example, the routing logic control module 211 may be stored in the code storage area, or may be understood that a program corresponding to the routing logic control module is solidified in the code storage area, the routing logic control module 211 implements logic of monitoring, reading and determining, and the number of times of updating is less, which may generally not need to update, and only needs to update the routing lookup table 212. When the routing logic control module 211 needs to be updated, the update can also be performed independently, so that the program in other storage areas is not affected, for example, the routing lookup table is not affected.
It can be understood that after the power module 200 supplies power to the main chip 210 and the trigger 220, the main chip 210 and the trigger 220 enter the working states respectively, the routing logic control module 211 in the main chip 210 also enters the working states, and the routing lookup table 212 in the main chip 210 also enters the working states according to preset default values.
The gateway 200 further includes an update module, which may be configured in the main chip 210, or may be directly in the gateway 200, where a specific configuration location is not limited. The updating module is specifically configured to receive the updated routing lookup table, and overlay 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 message ID and a corresponding forwarding channel on the basis of the original routing lookup table. The routing lookup table has specific position information in the data storage area, the position information refers to a specific address (fixed address) of the routing lookup table in the data storage area, the updating can be supported through unified diagnostic service (Unified diagnostic services, UDS), and the updated routing lookup table can be written into the address by an external calibration tool to cover the routing lookup table at the original address, so that the updating is completed. The external calibration tool may be a tool supporting updating a routing lookup table protocol (UDS protocol), and is used for writing a routing lookup table, and the routing lookup table 212 is specifically an independent file, so that the routing logic control module 211 stored in the code storage area is not affected when the routing lookup table 212 is updated.
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 message, and determines a forwarding channel of the new message according to the updated routing lookup table 211.
Optionally, determining the forwarding attribute corresponding to the message based on the routing lookup table specifically includes: reading a routing lookup table, and determining forwarding attributes corresponding to the message in the routing lookup table; or, the identification 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 identification of the message; and receiving forwarding attributes corresponding to the messages sent by the routing lookup table.
It can be appreciated that, when the routing logic control module 111 monitors that the channel 1 in the transceiver 120 receives a message, the channel 1 may receive a plurality of messages, and taking the channel 1 receives 1 message as an example, the message may be denoted as the message 1. The method for determining the forwarding attribute of the message by the routing logic control module 111 comprises the following steps: the ID of the message 1 is identified, a routing lookup table 112 is read, the forwarding attribute corresponding to the message 1 is determined by comparison and analysis in the routing lookup table 112, or the ID of the message 1 is identified and then sent to the routing lookup table 112, the routing lookup table 112 determines the forwarding attribute of the message according to the ID of the message, the forwarding attribute of the message is returned to the routing logic control module 111, and the routing logic control module 111 receives the forwarding attribute of the message.
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 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 used for determining the forwarding attribute corresponding to the message based on the routing lookup table after detecting that any channel of the transceiver receives the message, 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 higher updating frequency is conveniently updated, and because the routing lookup table stores the forwarding rule of the message, the routing logic control module is based on the routing lookup table and performs logic control of message forwarding, the routing lookup table can be arranged for each vehicle type, a specific gateway does not need to be specially developed and designed for each vehicle type, the development period is shorter, the development speed is faster, and the user experience is better.
On the basis of the foregoing embodiments, fig. 3 is a schematic diagram of a gateway control method according to an embodiment of the present disclosure, which is applied to the foregoing gateway 100 or gateway 200, where the following embodiments take the gateway 200 as an example for illustration, and specifically include steps S310 to S330 shown in fig. 3:
s310, receiving a target message.
It will be appreciated that a channel in the transceiver 220 in the gateway 200 receives a message, which may be referred to 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 will be appreciated that, the multiple channels of the transceiver may receive at least one message at the same time, for example, all of the channels 1 to 3 may receive a plurality of messages, and when a certain channel receives a plurality of messages, the channels may be sorted according to the time sequence of receiving the messages and stored in the to-be-processed list, and if a plurality of messages are received at the same time, the channels of receiving the messages may be sorted according to the time sequence of receiving the messages, for example, the messages received by the channel 1 are preferentially processed, the messages received by the channel 2 are reprocessed, or the channels are sorted according to the preset priority of the messages, for example, the messages with higher priority of the priority processing messages, or the messages may be processed in parallel.
S320, determining forwarding attributes corresponding to the target message according to the target message and the routing lookup table, and determining forwarding channels corresponding to the target message based on the forwarding attributes.
Optionally, the routing lookup table is used for storing a correspondence between the message and a forwarding attribute, and the forwarding attribute includes a forwarding channel corresponding to the target message.
It can be understood that, on the basis of S310, after a channel in the transceiver receives the target message, the routing lookup table is read, and the forwarding attribute corresponding to the target message is determined according to the target message and the routing lookup table, that is, the forwarding attribute corresponding to the ID of the target message is queried in the routing lookup table, and finally the forwarding channel corresponding to the target message is determined based on the forwarding attribute, where the forwarding attribute includes the forwarding channel. For example, when the channel 1 receives the target message (message 1), the forwarding channel corresponding to the ID of the message 1 is determined by reading the routing lookup table, and the forwarding channel corresponding to the ID1 of the message 1 is the channel 2.
Optionally, in S320, determining a forwarding attribute corresponding to the target packet according to the target packet and the routing lookup table, which specifically includes: reading a routing lookup table, and determining forwarding attributes corresponding to the target message in the routing lookup table; or, the identification 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 identification 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, when the routing logic control module in the gateway monitors that the channel 1 in the transceiver receives a message, the channel 1 may receive a plurality of messages, and taking the channel 1 receives 1 message as an example, the message may be denoted as the 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 and 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, forwarding the target message from the forwarding channel.
It can be understood that, on the basis of S320, after determining the forwarding channel of the target packet, the target packet is forwarded from the forwarding channel to the electronic control unit or the domain controller connected to the forwarding channel. For example, message 1 is forwarded from channel 2 to the electronic control unit or domain controller to which channel 2 is connected. It will be appreciated that the channels for receiving and forwarding the same message are different, i.e. 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 than the channel 1. For example, the message 1 received by the channel 1 is generated by the user pressing the wiper on button, and the channel 2 for forwarding the message 1 should be an electronic control unit connected to the wiper, that is, a control command for opening the wiper is sent to the wiper, so as to control the wiper to slide up and down, instead of returning from the original channel to the wiper on button.
According to the gateway control method provided by the embodiment of the disclosure, through receiving the target message, determining the forwarding attribute corresponding to the target message according to the target message and the routing lookup table, and then determining the forwarding channel corresponding to the target message based on the forwarding attribute, wherein the routing lookup table is used for storing the 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, so that the received message can be accurately sent to the corresponding forwarding channel, and the operation is simple and convenient, but the implementation is strong.
On the basis of the foregoing embodiments, fig. 4 shows a gateway control method according to an embodiment of the present disclosure, which is applied to the foregoing gateway 100 or gateway 200, where the following embodiments take the gateway 200 as an example for illustration, and specifically include steps S410 to S420 shown in fig. 4:
s410, receiving the updated routing lookup table.
It can be appreciated that the gateway receives the updated routing lookup table, which 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 correspondence between the message ID and the corresponding forwarding attribute may be increased, for example, the correspondence between the message ID5 and the channel 5 may be increased, or the channel 4 corresponding to the message ID4 may be modified into the channel 3, etc., and the specific modification form of the forwarding rule in the updated routing lookup table is not limited, and may be modified according to the user requirement, so long as the routing logic control module can read the routing lookup table and determine the forwarding channel of the message.
S420, obtaining the position information corresponding to the routing lookup table.
S430, according to the position information, the updated routing lookup table is covered with the routing lookup table.
It can be understood that, based on S410, the location information of the data storage area of the routing lookup table in 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 covers 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, since the routing logic control module and the routing look-up table are separately and independently stored in the main chip, the two functional modules of the routing logic control module and the routing look-up table can be developed by different developers respectively or not at the same time, and the routing logic control module mainly performs the steps of monitoring the transceiver, reading the routing look-up table, determining the forwarding channel, forwarding the message to the forwarding channel and the like, so long as the steps are performed in sequence, the execution sequence in the routing logic control module is unchanged regardless of the information of the message and the change of the routing look-up table, the compatibility is relatively strong, and the routing logic control module can be developed in batch at one time based on the reasons, thereby reducing the development period. And secondly, only storing the corresponding relation between the message and the forwarding attribute in the routing lookup table, designing an independent file according to the vehicle type without influencing the development of the routing logic control module, for example, a user A can be responsible for the basic part of the gateway, the entry of the working state of the gateway and the design of the routing logic control module, a user B designs the routing lookup table according to the actual use requirement, and the designed routing lookup table generates a file format meeting the requirement and then writes the file format 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 lookup 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 route control module can be designed and generated in advance, the route lookup table can be set by a user according to the format of the route lookup table, and the designed route lookup table is written into the gateway, so that the development period of the gateway can be greatly shortened, the gateway is convenient to update, a large amount 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; reading the updated route lookup table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated route lookup table, and determining the forwarding channel corresponding to the updated target message based on the forwarding attribute.
It can be understood that after updating the routing lookup table stored in the data storage area in the main chip, the power module supplies power again, and the gateway executes the forwarding rule in the updated routing lookup table. Specifically, after the update of the routing lookup table is completed, a channel (channel 1) in the transceiver receives an updated target message, the updated target message may be denoted as a message 2, the updated routing lookup table is read, a forwarding attribute corresponding to the message 2 is determined according to the message 2 and the updated routing lookup table, the forwarding attribute includes a forwarding channel corresponding to the message 2, for example, an ID of the message 2 is ID2, a forwarding channel corresponding to the ID2 in the updated routing lookup table is channel 2, and then the message 2 is forwarded from the channel 2.
Referring to fig. 5, an exemplary embodiment of the present disclosure is shown in fig. 5, where fig. 5 specifically includes a gateway 500, a calibration tool 510, and an updated routing lookup table 520, and since the routing lookup table is updated independently, there is no effect on other components in the gateway 500, and therefore only the main chip 501 and the routing lookup table 502 in the main chip 501 are shown 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, thereby completing independent updating 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, so that the update of the routing logic in the gateway is completed, the method is simple and convenient, the influence on other functional modules in the gateway is avoided, the update speed is high, the forwarding rule of the routing lookup table can be set by the user according to the user requirement, the update is performed for multiple times, and the user experience is improved.
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 embodiments of the present disclosure may execute the processing flow provided in the embodiments of the gateway control method, and apply to the gateway 100 or the gateway 200 described above, 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 correspondence between the packet and the forwarding attribute, and the forwarding attribute includes the forwarding channel corresponding to the packet;
forwarding unit 630 is configured to forward the target packet from the forwarding channel.
Optionally, the determining unit 620 determines, according to the target packet and the routing lookup table, a forwarding attribute corresponding to the target packet, which is specifically configured to:
reading a routing lookup table, and determining forwarding attributes corresponding to the target message in the routing lookup table; or,
the identification of the target message is sent to a routing lookup table, and the routing lookup table is used for determining forwarding attributes corresponding to the target message according to the identification 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, the updated routing lookup table is covered with the routing lookup table.
Optionally, the apparatus 600 further comprises a usage unit, where the usage unit is specifically configured to:
receiving an updated target message;
reading the updated route lookup table, determining the forwarding attribute corresponding to the updated target message according to the updated target message and the updated route lookup table, and determining the forwarding channel corresponding to the updated target message based on the forwarding attribute.
The gateway control apparatus of the embodiment shown in fig. 6 may be used to implement the technical solution of the foregoing method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure. Referring now in particular 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 embodiments of the present disclosure may include, but is not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), wearable electronic devices, and the like, and fixed terminals such as digital TVs, desktop computers, smart home devices, and the like. The electronic device shown in fig. 7 is merely an example and should not be construed to limit the functionality and scope of use of the disclosed embodiments.
As shown in fig. 7, the electronic device 700 may include a processing means (e.g., a central processor, a graphic processor, etc.) 701, which may perform various suitable 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 a multimedia information processing method of an embodiment as described in the present disclosure. In the RAM 703, various programs and data required for the operation of the electronic device 700 are also stored. The processing device 701, the ROM 702, and the RAM 703 are connected to each other through a bus 704. An input/output (I/O) interface 705 is also connected to bus 704.
In general, the following devices may be connected to the I/O interface 705: input devices 706 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, and the like; 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 shows an electronic device 700 having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a non-transitory computer readable medium, the computer program containing program code for performing the method shown in the flowcharts, thereby implementing the multimedia information processing method as described above. In such an embodiment, the computer program may be downloaded and installed from a network via communication device 709, or installed from storage 708, or installed from ROM 702. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 701.
It should be noted that the computer readable medium described in the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any 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 context of this 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 the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. 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, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
In some implementations, the clients, servers may communicate using any currently known or future developed network protocol, such as HTTP (HyperText Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication 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 networks.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device.
Alternatively, the electronic device may perform other steps described in the above embodiments when the above one or more programs are executed by the electronic device.
Computer program code for carrying out operations of the present disclosure may be written in 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 kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts 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 involved in the embodiments of the present disclosure may be implemented by means of software, or may be implemented by means of hardware. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
The functions described above herein 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: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), 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. The 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 should be noted that in this document, relational terms such as "first" and "second" and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or gateway comprising the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the 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 and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A gateway comprising a main chip and a transceiver;
the transceiver comprises a plurality of channels, and the transceiver receives and transmits messages through the 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 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;
wherein, the route lookup table is stored in the data storage area of the main chip;
the routing logic control module is stored in a code storage area of the main chip.
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 gateway of claim 1, further comprising an update module configured to receive an updated routing lookup table and overlay the updated routing lookup table with the routing lookup table.
4. The gateway of claim 1, wherein the determining, based on the routing lookup table, a forwarding attribute for the packet comprises:
reading the routing lookup table, and determining forwarding attributes corresponding to the message in the routing lookup table; or,
the identification of the message is sent to the routing lookup table, and the routing lookup table is used for determining the forwarding attribute corresponding to the message according to the identification of the message; and receiving the forwarding attribute corresponding to the message sent by the routing lookup table.
5. A gateway control method, the method comprising:
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;
Forwarding the target message from the forwarding channel;
the routing lookup table is stored in a data storage area of a main chip, and the main chip further comprises a routing logic control module; the routing logic control module is stored in a code storage area of the main chip.
6. The method of claim 5, wherein determining the forwarding attribute corresponding to the target message according to the target message and the routing lookup table comprises:
reading a routing lookup table, and determining forwarding attributes corresponding to the target message in the routing lookup table; or,
the identification of the target message is sent to the routing lookup table, and the routing lookup table is used for determining the forwarding attribute corresponding to the target message according to the identification of the target message; and receiving the forwarding attribute corresponding to the target message sent by the routing lookup table.
7. The method of claim 5, wherein the method further comprises:
receiving an updated routing lookup table;
acquiring position information corresponding to the routing lookup table;
and according to the position information, covering the updated routing lookup table with the routing lookup table.
8. A gateway control apparatus, the apparatus comprising:
the receiving unit is used for receiving the target message;
the determining unit is used for determining forwarding attributes corresponding to the target message according to the target message and a routing lookup table, and determining forwarding channels corresponding to the target message based on the forwarding attributes, wherein the routing lookup table is used for storing the corresponding relation between the message and the forwarding attributes, and the forwarding attributes comprise the forwarding channels corresponding to the message; the routing lookup table is stored in a data storage area of a main chip, and the main chip further comprises a routing logic control module; the routing logic control module is stored in a code storage area of the main chip;
and the forwarding unit is used for forwarding the target message from the forwarding channel.
9. 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 5 to 7.
10. A computer readable storage medium having stored thereon a computer program, which when executed by a processor performs the steps of the gateway control method according to any of claims 5 to 7.
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| CN116232962A (en) * | 2023-02-15 | 2023-06-06 | 一汽解放汽车有限公司 | Method, device, equipment and medium for detecting routing relation of vehicle controller |
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