CN116915712A - Data transmission method, device and system - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/245—Traffic characterised by specific attributes, e.g. priority or QoS using preemption
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
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Abstract
The invention relates to the technical field of communication and discloses a data transmission method, device and system. The data transmission method is applied to the first integrated circuit bus device, and comprises the following steps: acquiring first service data and a transmission priority of the first service data; if the transmission priority of the first service data is higher than that of the second service data, the transmission of a target block in the second service data is suspended, the first service data is transmitted to the second integrated circuit bus device, the second service data is currently transmitted on the first integrated circuit bus device, the second service data comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data. According to the scheme of the embodiment of the invention, the low-priority transmission service can be interrupted by the high-priority transmission service, and the priority transmission of service data with higher importance in the service data transmission process is ensured, so that the working stability of the IIC slave is ensured.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data transmission method, apparatus, and system.
Background
IIC (Inter-Integrated Circuit, integrated circuit bus) protocol is commonly used in the context of monitoring BMC (Baseboard Management Controller ) chip peripherals. For example, in a scenario where the peripheral device of the BMC chip is a RAID (Redundant Array of Independent Disks, redundant array of independent disks card), the BMC is used as an IIC host (i.e., a first integrated circuit bus device), the RAID is used as an IIC slave (i.e., a second integrated circuit bus device), and the IIC host needs to frequently transmit service data with the IIC slave, where the service data transmitted between the IIC host and the IIC slave includes instruction data and file data, but the instruction data and the file data cannot be transmitted simultaneously.
In the related art, since the file data transmission often occupies all IIC bandwidths in a certain period of time, when the file data transmission is performed, the instruction data often needs to be transmitted or directly discarded after waiting for the completion of the file data transmission, so that some important instruction data (such as a setting instruction) cannot be timely issued to the IIC slave when the file data transmission is performed, and the IIC slave cannot work. Therefore, how to preferentially transmit service data with higher importance in the service data transmission process so as to ensure the working stability of the IIC slave machine is a problem to be solved.
Disclosure of Invention
In view of this, the present invention provides a data transmission method, apparatus and system, which can support high priority transmission service to interrupt low priority transmission service, and ensure priority transmission of service data with higher importance during service data transmission, so as to ensure the stability of the operation of the IIC slave.
In a first aspect, the present invention provides a data transmission method applied to a first integrated circuit bus device, the method comprising:
acquiring first service data and a transmission priority of the first service data;
if the transmission priority of the first service data is higher than that of the second service data, the transmission of a target block in the second service data is suspended, the first service data is transmitted to the second integrated circuit bus device, the second service data is currently transmitted on the first integrated circuit bus device, the second service data comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data.
According to the data transmission method provided by the embodiment of the invention, the transmission importance of the service data can be determined by comparing the transmission priority of the first service data with the transmission priority of the second service data; when the transmission priority of the first service data is higher than that of the second service data, the transmission of the target block in the second service data can be suspended, and the first service data is transmitted to the second integrated circuit bus device, so that the transmission sequence of the service data can be adjusted and determined according to the transmission priority in the process of transmitting the data block of the service data, namely, the high-priority transmission service is supported to interrupt the low-priority transmission service, the priority transmission of the service data with higher importance in the service data transmission is ensured, the service data with higher importance can be timely issued to the IIC slave, and the stability of the work of the IIC slave is ensured. Further, the second service data which is suspended to be transmitted before can be continuously transmitted to the IIC slave machine by taking the target block as a transmission starting point after the first service data is transmitted, and the data block which is transmitted in the second service data is not required to be retransmitted, so that the data transmission efficiency is improved, and meanwhile, the integrity and the accuracy of the data transmission can be ensured.
In some alternative embodiments, the data transmission method further comprises:
and after the first service data transmission is completed, continuing to transmit the rest data blocks in the second service data to the second integrated circuit bus equipment according to the target blocks.
According to the data transmission method provided by the embodiment of the invention, after the first service data is transmitted, the rest data blocks in the second service data are continuously transmitted to the second integrated circuit bus equipment, so that the second service data with lower transmission priority can not be stopped from being transmitted, the transmission from the first data block of the second service data is not required to be restarted, and the repeated transmission of the transmitted data blocks is avoided.
In some alternative embodiments, continuing to transmit remaining data blocks in the second traffic data to the second integrated circuit bus device based on the target blocks, comprising:
and starting from the target block, continuing to transmit the target block and the data blocks subsequent to the target block in the second service data to the second integrated circuit bus device.
According to the data transmission method provided by the embodiment of the invention, the target block in the second service data and the data blocks subsequent to the target block are continuously transmitted to the second integrated circuit bus equipment from the target block, and the transmission from the first data block of the second service data is not required to be restarted, so that the repeated transmission of the transmitted data blocks is avoided.
In some alternative embodiments, the data transmission method further comprises:
if the transmission priority of the first service data is equal to that of the second service data, alternately transmitting the first service data and the second service data to the second integrated circuit bus device; or after the second service data transmission is completed, transmitting the first service data to the second integrated circuit bus device.
According to the data transmission method provided by the embodiment of the invention, the data block of each service data is not transmitted in a mode of monopolizing the whole transmission channel (namely IIC), but is alternatively transmitted or continuously transmitted with other service data which are being transmitted on the same transmission channel, so that the service data with the same transmission priority as the currently transmitted service data can not be put aside when the currently existing transmission task is ensured, and the currently transmitted service data can not be terminated.
In some alternative embodiments, acquiring the transmission priority of the first service data includes:
acquiring a data type of first service data;
and determining the transmission priority of the first service data according to the data type of the first service data.
According to the data transmission method provided by the embodiment of the invention, the transmission priority of the first service data is determined by the data type of the first service data, so that the urgency of different service data to the second integrated circuit bus equipment can be determined, the service data with higher importance can be preferentially transmitted in the service data transmission process, the working stability of the IIC slave (namely the second integrated circuit bus equipment) is further ensured, and meanwhile, the flexibility of data transmission in the system is improved.
In a second aspect, the present invention provides a data transmission method applied to a second integrated circuit bus device, the method comprising:
receiving a data block of second service data from the first integrated circuit bus device, wherein the second service data comprises a plurality of data blocks, and the data blocks are obtained by performing data blocking on the second service data;
receiving first service data, wherein the first service data is received after transmission of a target block of second service data is suspended under the condition that the transmission priority of the first service data is higher than that of the second service data;
and after the first service data is received, continuously receiving the rest data blocks in the second service data according to the target blocks, and combining the data blocks to obtain the second service data.
In a third aspect, the present invention provides a data transmission apparatus comprising:
the acquisition module is used for acquiring the first service data and the transmission priority of the first service data;
the first transmission module is used for suspending transmission of a target block in the second service data and transmitting the first service data to the second integrated circuit bus equipment if the transmission priority of the first service data is higher than that of the second service data, wherein the second service data is currently transmitted on the first integrated circuit bus equipment and comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data.
In some alternative embodiments, the data transmission device further includes:
and the second transmission module is used for continuously transmitting the rest data blocks in the second service data to the second integrated circuit bus equipment according to the target blocks after the transmission of the first service data is completed.
In some alternative embodiments, the second transmission module specifically includes:
and the transmission unit is used for continuously transmitting the target block and the data blocks subsequent to the target block in the second service data to the second integrated circuit bus equipment from the target block.
In some alternative embodiments, the data transmission device further includes:
the third transmission module is used for alternately transmitting the first service data and the second service data to the second integrated circuit bus equipment if the transmission priority of the first service data is equal to that of the second service data; or after the second service data transmission is completed, transmitting the first service data to the second integrated circuit bus device.
In some optional embodiments, the acquiring module specifically includes:
the acquisition unit is used for acquiring the data type of the first service data;
and the determining unit is used for determining the transmission priority of the first service data according to the data type of the first service data.
In a fourth aspect, the present invention provides a data transmission apparatus comprising:
the first receiving module is used for receiving a data block of second service data from the first integrated circuit bus equipment, the second service data comprises a plurality of data blocks, and the data block is obtained by carrying out data blocking on the second service data;
the second receiving module is used for receiving the first service data, wherein the first service data is received after the transmission of the target block of the second service data is suspended under the condition that the transmission priority of the first service data is higher than that of the second service data;
and the data block combining module is used for continuously receiving the rest data blocks in the second service data according to the target block after the first service data is received, and combining the data blocks to obtain the second service data.
In a fifth aspect, the present invention provides a data transfer system comprising a first integrated circuit bus device and a second integrated circuit bus device as in the first or second aspects, the first and second integrated circuit bus devices being communicatively coupled.
In a sixth aspect, the present invention provides a computer device comprising: the memory and the processor are in communication connection with each other, the memory stores computer instructions, and the processor executes the computer instructions to perform the data transmission method of the first aspect or any implementation manner corresponding to the second aspect.
In a seventh aspect, the present application provides a computer readable storage medium having stored thereon computer instructions for causing a computer to perform the above first aspect or any one of its corresponding embodiments, or the data transmission method of the above second aspect or any one of its corresponding embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an alternative data transmission system provided by an embodiment of the present application;
fig. 2 is a flow chart of a data transmission method according to an embodiment of the present application;
FIG. 3 is a flow chart of another data transmission method according to an embodiment of the present application;
fig. 4 is a flowchart of still another data transmission method according to an embodiment of the present application;
FIG. 5 is a flow chart of a data chunking stage provided by an embodiment of the present application;
FIG. 6 is a flow chart of a data transfer phase provided by an embodiment of the present application;
FIG. 7 is a flow chart of a data combining stage provided by an embodiment of the present application;
FIG. 8 is a flow chart of a business data execution phase provided by an embodiment of the present application;
fig. 9 is a schematic diagram of a data transmission device according to an embodiment of the present application;
fig. 10 is a schematic diagram of another data transmission device according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of an alternative computer device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, fig. 1 is a schematic diagram of an alternative data transmission system according to an embodiment of the present application, where the data transmission system 100 includes a first integrated circuit bus device 101 and a second integrated circuit bus device 102, and the first integrated circuit bus device 101 and the second integrated circuit bus device 102 are connected through an IIC.
The first integrated circuit bus device 101 acquires the first service data and the transmission priority of the first service data, if the transmission priority of the first service data is higher than the transmission priority of the second service data, pauses the transmission of the target block in the second service data, and transmits the first service data to the second integrated circuit bus device 102, so that in the process of transmitting the data block of the service data, the transmission sequence of the service data can be determined according to the transmission priority adjustment, i.e. the high-priority transmission service is supported to interrupt the low-priority transmission service, the priority transmission of the service data with higher importance is ensured during the transmission of the service data, and the service data with higher importance can be issued to the second integrated circuit bus device 102 in time, so as to ensure the stability of the operation of the second integrated circuit bus device 102. In addition, the first integrated circuit bus device 101 and the second integrated circuit bus device 102 utilize existing IIC connections, reducing the complexity of data transfer and the cost of data transfer. Moreover, the data transmission system 100 can be easily integrated into existing device firmware and host software, providing a seamless experience for the user.
The second service data is currently transmitted on the first integrated circuit bus device, and the second service data comprises a plurality of data blocks, wherein the data blocks are obtained by carrying out data blocking on the second service data.
Further, the data blocks are obtained by performing data blocking on the second service data, so that after the transmission of the first service data is completed, the second service data which is suspended to be transmitted before can be continuously transmitted to the second integrated circuit bus device 102 by taking the target block as the transmission starting point, and the data blocks which are transmitted in the second service data do not need to be retransmitted, thereby not only improving the transmission efficiency of the data, but also ensuring the integrity and the accuracy of the data transmission.
The number of the second integrated circuit bus devices 102 may be plural, each second integrated circuit bus device 102 is communicatively connected to the first integrated circuit bus device 101, and a data transmission manner between the first integrated circuit bus device 101 and the plurality of second integrated circuit bus devices 102 is the same as that between the first integrated circuit bus device 101 and one second integrated circuit bus device 102, which is not described herein again.
The second integrated circuit bus device 102 may be a BMC chip peripheral device, for example, the second integrated circuit bus device 102 may be a RAID; the first integrated circuit bus device 101 may be a BMC; RAID and BMC may be connected through IIC.
The data transmission system 100 may be disposed in a server, where the server may be an independent physical server, or may be a server cluster or a distributed system formed by a plurality of physical servers, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDN (Content Delivery Network ), and basic cloud computing services such as big data and an artificial intelligence platform. In addition, the server may also be a node server in a blockchain network.
In the related art, in the process of transmitting service data between the IIC host and the IIC slave, because the data size of file data is relatively large, and the transmission capability of IIC devices (i.e., the IIC host or the IIC slave) is relatively low, the transmission of file data often occupies all IIC bandwidths in a certain period of time, and command data needs to be transmitted after the completion of the transmission of file data, so that the transmission of command data can be completed only after the completion of the transmission of file data, which makes some important command data (such as a set command) unable to be issued to the IIC slave in time during the transmission of file data, and further causes the IIC slave to be unable to operate, for example, when the IIC slave is a RAID, all commands requiring RAID to respond in time, such as a RAID array hot standby disk command (i.e., a set command) are unable to be issued in time, and further causes the problems such as RAID to be unable to operate. Therefore, how to preferentially transmit service data with higher importance in the service data transmission process so as to ensure the working stability of the IIC slave machine is a problem to be solved.
Based on the above, the embodiment of the invention provides a data transmission method, a device and a system, which can support the interruption of a low-priority transmission service by a high-priority transmission service, ensure the priority transmission of service data with higher importance during the transmission of service data, and ensure the working stability of an IIC slave.
According to an embodiment of the present invention, there is provided a data transmission method embodiment, it being noted that the steps shown in the flowcharts of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that herein.
In this embodiment, a data transmission method is provided, which may be used for the first integrated circuit bus device, such as a BMC. Fig. 2 is a flowchart of a data transmission method according to an embodiment of the present invention, as shown in fig. 2, the flowchart including the steps of:
step S201, acquiring first service data and a transmission priority of the first service data.
In this step, the first service data information may be instruction data or file data, where the instruction data includes a setting instruction and a query instruction, where the setting instruction is generally used to set operations such as a state of the second integrated circuit bus device or an event processing policy, and the query instruction is generally used to query information such as a state of the second integrated circuit bus device or sensor data; the file data is usually firmware data for firmware upgrade, or file data required in the scenes of log export, configuration import, and the like. In addition, the data amount of the instruction data is smaller than the data amount of the file data.
The transmission priority is used for representing the importance or urgency of the service data, and the higher the transmission priority is, the higher the importance or urgency of the service data is; conversely, the lower the transmission priority, the lower the importance of the traffic data or the lower the urgency. For example, the transmission priority of the instruction data is higher than that of the file data; in another example, in the instruction data, the transmission priority of the instruction is set higher than the transmission priority of the inquiry instruction.
Step S202, if the transmission priority of the first service data is higher than the transmission priority of the second service data, suspending the transmission of the target block in the second service data, and transmitting the first service data to the second integrated circuit bus device.
In this step, the second service data is currently transmitted on the first integrated circuit bus device, where the second service data includes a plurality of data blocks, and the data blocks are obtained by performing data blocking on the second service data.
The second service data information may be instruction data or file data, where the instruction data includes a setting instruction and a query instruction. In the same second service data, the data amount of each data block is equal, for example, the data amount of each data block is 64 bytes. It is understood that the data amounts of the data blocks corresponding to different service data may be different. In addition, the target block is the interruption point (i.e., data block) of the suspended transmission.
It can be understood that in the process of transmitting service data, the transmission priority of the service data can be determined, the transmission of the service data with low transmission priority (i.e. the second service data) can be temporarily interrupted by the service data with high transmission priority (i.e. the first service data), and after the transmission of the service data with high transmission priority is completed, the interrupted service data is continuously transmitted from the interrupted data block (i.e. the target block) as the transmission starting point, which not only can ensure that the transmission of the service data with low transmission priority is not terminated, but also does not need to restart the transmission from the first data block of the service data with low transmission priority, thereby avoiding the repeated transmission of the transmitted data block.
For example, if the first service data is instruction data and the second service data is file data, the transmission priority of the instruction data is higher than that of the file data, so that in the process of transmitting the file data, if the instruction data is acquired, the transmission of a target block in the file data is paused, the instruction data is transmitted to the second integrated circuit bus device, and after the instruction data transmission is completed, the rest data blocks in the file data are continuously transmitted from the target block, thereby solving the problem that other service data with higher transmission priority cannot be transmitted when the file data is transmitted in an IIC transmission-based system, improving the flexibility of the data transmission system, and effectively solving the problem that important service data cannot be transmitted to an IIC slave in time because the IIC bandwidth is occupied for a long time.
In some alternative embodiments, before the first service data is transmitted to the second integrated circuit bus device, the first service data may be subjected to data blocking, so as to obtain a data block of the first service data, and then the data block of the first service data is sequentially transmitted to the second integrated circuit bus device.
According to the data transmission method provided by the embodiment, the transmission importance of the service data can be determined by comparing the transmission priority of the first service data with the transmission priority of the second service data; when the transmission priority of the first service data is higher than that of the second service data, the transmission of the target block in the second service data can be suspended, and the first service data is transmitted to the second integrated circuit bus device, so that the transmission sequence of the service data can be adjusted and determined according to the transmission priority in the process of transmitting the data block of the service data, namely, the high-priority transmission service is supported to interrupt the low-priority transmission service, the priority transmission of the service data with higher importance in the service data transmission is ensured, the service data with higher importance can be timely issued to the IIC slave, and the stability of the work of the IIC slave is ensured. Further, the second service data which is suspended to be transmitted before can be continuously transmitted to the IIC slave machine by taking the target block as a transmission starting point after the first service data is transmitted, and the data block which is transmitted in the second service data is not required to be retransmitted, so that the data transmission efficiency is improved, and meanwhile, the integrity and the accuracy of the data transmission can be ensured.
In this embodiment, a data transmission method is provided, which may be used for the first integrated circuit bus device, such as a BMC. Fig. 3 is a flowchart of a data transmission method according to an embodiment of the present application, as shown in fig. 3, the flowchart including the steps of:
step S301, acquiring the first service data and a transmission priority of the first service data.
Specifically, the step S301 includes:
step S3011, obtain the data type of the first service data.
In this step, the data type of the first service data includes an instruction type and a file type, where the first service data of the instruction type is instruction data and the first service data of the file type is file data.
Step S3012, determining a transmission priority of the first service data according to the data type of the first service data.
In this step, the transmission priority of the first service data (i.e., instruction data) whose data type is the instruction type is higher than the transmission priority of the first service data (i.e., file data) whose data type is the file type; in the instruction type, the transmission priority of the instruction is set higher than that of the inquiry instruction.
In the embodiment of the application, the transmission priority of the first service data is determined by the data type of the first service data, so that the light and heavy urgency of different service data to the second integrated circuit bus equipment can be determined, the service data with higher importance can be preferentially transmitted in the service data transmission process, the working stability of the IIC slave (namely the second integrated circuit bus equipment) is further ensured, and meanwhile, the flexibility of data transmission in the system is improved.
In step S302, if the transmission priority of the first service data is higher than the transmission priority of the second service data, transmission of the target block in the second service data is suspended, and the first service data is transmitted to the second integrated circuit bus device.
Please refer to step S202 in the embodiment shown in fig. 2, which is not described herein.
In some alternative embodiments, before the service data (such as the second service data or the first service data) is subjected to data blocking, each service data may be further subjected to data numbering according to the transmission priority. After each service data is subjected to data blocking, each data block in the service data can be subjected to block numbering according to the sequence of the data blocks in the service data to obtain numbering information comprising the data numbers and the block numbers, so that each data block carries respective numbering information, the first integrated circuit bus equipment can also orderly transmit each data block according to the block numbers carried by each data block, and meanwhile, after the second integrated circuit bus equipment receives each data block, the second integrated circuit bus equipment can be used for distinguishing the service data according to the numbering information of the data block and recombining each data block to obtain complete service data, disorder during data block combination can be avoided, and the accuracy of subsequent data combination is ensured.
In some optional embodiments, after performing data blocking on each service data to obtain a data block, a block type of the data block may include a first block, an intermediate block, a tail block and an independent block, where the first block is a first data block in the service data, the first block includes a data number, a data start flag and a block number (such as number 0), and when the second integrated circuit bus device receives the first block, a service data storage area may be newly created according to the block type or the data start flag; the middle block is other data blocks except the head block and the tail block, the middle block comprises a data number and a block number, when the second integrated circuit bus equipment receives the middle block, the block number of the middle block can be determined, whether the block number of the middle block is continuous or not is checked according to the block number of the middle block, and the data information of the middle block is stored in a data storage area corresponding to the service data; the tail block is the last data block of the service data, the tail block comprises a data number, a data end mark and a block number, when the second integrated circuit bus equipment receives the tail block, the data transmission of the corresponding service data is determined to be completed according to the type of the block of the tail block, and finally the service data is combined; the independent block refers to a unique data block in the service data, and the independent block includes a data start flag and a data end flag, when the second integrated circuit bus device receives the independent block, the corresponding data information can be directly resolved according to the block type without combining the data blocks.
In some alternative embodiments, after the first service data transmission is completed, the remaining data blocks in the second service data are continuously transmitted to the second integrated circuit bus device according to the target blocks.
Specifically, starting from the target block, the target block and the data blocks subsequent to the target block in the second service data are continuously transmitted to the second integrated circuit bus device.
In the embodiment of the application, after the transmission of the first service data is completed, the residual data blocks in the second service data are continuously transmitted to the second integrated circuit bus equipment, so that the second service data with lower transmission priority can not be stopped from being transmitted, the transmission from the first data block of the second service data is not required to be restarted, and the repeated transmission of the transmitted data blocks is avoided.
In some alternative embodiments, the transmission of the first traffic data and the second traffic data is alternately transmitted to the second integrated circuit bus device if the transmission priority of the first traffic data is equal to the transmission priority of the second traffic data.
For example, assuming that the first service data is file data a, the second service data is file data B, and the file data a and the file data B belong to the same data type, that is, the transmission priorities of the first service data and the second service data are equal, where the first service data is also divided into a plurality of data blocks, then the data blocks of the file data B and the data blocks of the file data a that are currently being transmitted may be alternately transmitted to the second integrated circuit bus device.
In the embodiment of the application, the data block of each service data is not transmitted in an exclusive IIC mode, but is alternatively transmitted with other service data being transmitted on the same IIC, so as to ensure that the service data with the same transmission priority as the currently transmitted service data is not put aside when the currently existing transmission task is performed, and the currently transmitted service data is not terminated.
In some alternative embodiments, if the transmission priority of the first service data is equal to the transmission priority of the second service data, the first service data may be further transmitted to the second integrated circuit bus device after the transmission of the second service data is completed.
For example, it is assumed that the first service data is instruction data a, the second service data is instruction data B, and the instruction data a and the instruction data B belong to the same data type, that is, the transmission priorities of the first service data and the second service data are equal, so that after the transmission of the instruction data B currently being transmitted is completed, the instruction data a can be transmitted to the second integrated circuit bus device.
In the embodiment of the present application, the data block of each service data is not transmitted in a manner of a single transmission channel (i.e., IIC), but is transmitted in succession with other service data being transmitted on the same transmission channel, so as to ensure that the service data having the same transmission priority as the currently transmitted service data is not put aside and the currently transmitted service data is not terminated.
In some alternative embodiments, if the transmission priority of the first service data is equal to the transmission priority of the second service data, the data amount of the first service data or the second service data may be determined first, and then whether to alternately transmit the first service data and the second service data to the second integrated circuit bus device or transmit the first service data to the second integrated circuit bus device after the transmission of the second service data is completed is determined according to the data amount. For example, if the data amount is greater than or equal to the preset threshold, alternately transmitting the first service data and the second service data to the second integrated circuit bus device; if the data amount is smaller than the preset threshold, the first service data can be transmitted to the second integrated circuit bus device after the second service data is transmitted.
In some alternative embodiments, if the transmission priority of the first service data is equal to the transmission priority of the second service data, the data type of the first service data or the second service data may be determined first, and then whether to alternately transmit the first service data and the second service data to the second integrated circuit bus device or transmit the first service data to the second integrated circuit bus device after the second service data is transmitted according to the data type. For example, if the data type is a file type, the first service data and the second service data may be alternately transmitted to the second integrated circuit bus device; or if the data type is the instruction type, the first service data can be transmitted to the second integrated circuit bus device after the second service data is transmitted.
In some alternative embodiments, the first data block of each service data (such as the first service data and the second service data) may include a data start flag, and the last data block may include a data end flag, so that the second integrated circuit bus device determines whether the transmission of the corresponding service data is completed through the data start flag and the data end flag.
In some optional embodiments, each data block carries a checksum, and the first integrated circuit bus device may further calculate a block check information for each data block, so that after the second integrated circuit bus device receives the data block or reorganizes the data block, the second integrated circuit bus device checks the corresponding data block through the checksum and the block check information, so as to ensure data integrity of service data, and prevent a data block loss or a disorder problem after the data block is combined.
In this embodiment, a data transmission method is provided, which may be used in the second integrated circuit bus device, such as RAID. Fig. 4 is a flowchart of a data transmission method according to an embodiment of the present invention, as shown in fig. 4, the flowchart including the steps of:
Step S401 receives a data block of second service data from the first integrated circuit bus device.
The second service data comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data.
Please refer to the corresponding embodiment of the data transmission method of the first integrated circuit bus device side in detail, and the detailed description is omitted herein.
In step S402, first service data is received after transmission of the target block of the second service data is suspended, if the transmission priority of the first service data is higher than the transmission priority of the second service data.
In some optional embodiments, in the case that the data blocks carry numbering information, the second integrated circuit bus device may determine the data number of a data block each time the data block is received, so when receiving the next data block of the current data block of the second service data, the second integrated circuit bus device may distinguish that the current data block and the next data block belong to different service data according to the data number, and at this time, may save the block number of the current data block and then receive the first service data.
Step S403, after the first service data is received, the remaining data blocks in the second service data are continuously received according to the target block, and the data blocks are combined to obtain the second service data.
Specifically, the remaining data blocks in the second service data are continuously received according to the target block, and specifically, after the target block is received, the target block and the data blocks subsequent to the target block in the second service data are continuously received according to the block number of the target block.
Further, when the last data block (i.e. the tail block) of the second service data is received, the data blocks having the same data number as the target block received before can be combined according to the data number of the target block (or the data number of the tail block) to obtain the complete second service data.
In some optional embodiments, after the first service data is received, the second integrated circuit bus device may determine whether the received data block carries a data end flag, analyze the number information of each data block after determining that the currently received data block carries a data end flag, determine the service data to which the data block belongs according to the data number in the number information, and then combine the data blocks with the same data number according to the block number to obtain the complete second service data.
In some alternative embodiments, during the combining of the data blocks, the second integrated circuit bus device may verify from the checksum carried by each data block to ensure that no data is lost or corrupted during transmission.
Illustratively, the second integrated circuit bus device should interrupt the current reception task and temporarily store the received data block when receiving the first data block (i.e., the first block) of a new set of service data (i.e., the first service data), and record breakpoint information of the original service data (i.e., the second service data), which should include at least the block number and the data number of the current received data block, all the received data amounts of the current service data, and verification information of the received data block. After that, the second integrated circuit bus device starts to process new service data, after the new service data is received and processed, the interrupted receiving task is restarted (namely, the rest data blocks in the second service data are continuously received according to the target block), after the new data block corresponding to the service data which is interrupted to be received is received, the block number and the data number contained in the new data block, all the received data volume of the current service data, the verification information of the received data block and the like are verified, and the correct transmission breakpoint is ensured.
According to the data transmission method provided by the embodiment, the data block of the second service data from the first integrated circuit bus equipment is received, and when the transmission priority of the first service data is higher than that of the second service data, the first service data is received after the transmission of the target block of the second service data is suspended, so that the service data with higher importance can be received in time, and the working stability of the second integrated circuit bus equipment is further ensured; and then, after the first service data is received, continuously receiving the rest data blocks in the second service data according to the target blocks, and combining the data blocks to obtain the second service data, thereby avoiding repeated transmission of the transmitted data blocks, improving the data transmission efficiency, and ensuring the integrity and accuracy of data transmission.
In some alternative embodiments, after the second integrated circuit bus device completes combining the data blocks to obtain the second service data, the second integrated circuit bus device may perform subsequent processing according to the service information carried by the second service data. For example, if the second service data is firmware data, the second integrated circuit bus device may perform firmware upgrade according to the firmware data; for another example, if the second service data is a setting instruction for setting an operation state, the second integrated circuit bus device may change state information of the corresponding device according to the setting instruction. It will be appreciated that the specific implementation manner of the subsequent processing is related to the service scenario, and the corresponding processing manner may be determined according to the specific service scenario, which is not limited herein.
In order to more clearly illustrate the procedure of the data transmission method, a specific example will be described below.
Referring to fig. 5, fig. 5 is a flowchart of a data blocking stage provided by an embodiment of the present application, first, when a first integrated circuit bus device receives a new service, it may determine whether a service pool is saturated, if yes, an error message is returned, where the error message is used to indicate that the service pool cannot store the new service; if not, acquiring first service data in the service, wherein the first service data carries transmission priority. And then, carrying out data numbering on the first service data through the numbering pool, and adding the first service data after the data numbering into the service pool. And then extracting service data with higher transmission priority from the service pool according to the transmission priority. And if the service data with higher transmission priority is the first service data, carrying out data blocking on the first service data to obtain a plurality of data blocks, and carrying out block numbering on each data block to obtain the data block carrying the data number and the block number. Next, calculating the blocking verification information of each data block, and adding the blocking verification information into the block information of the corresponding data block, wherein the block information also comprises a data number and a block number. And finally, caching each data block corresponding to the first service data into a transmission queue, and transmitting the data block to the second integrated circuit bus equipment through the transmission queue.
In the data blocking stage, a linked list structure may be used to store the block information of each data block, where the linked list structure is specifically shown as follows:
typedef struct DATA_INFO_{
uint32_t dataNum；
uint8_t data[256]；
uint8_t crc；
}DATA_INFO；
typedef struct BLOCK_INFO_{
uint8_t priority；
uint8_t workTag；
uint32_t blockNum；
DATA_INFO*next；
}BLOCK_INFO；
the priority represents the transmission priority of the service data, and the parameter is only used for designating the transmission priority of the service data at the side of the first integrated circuit bus equipment and is not used as the data interacted with the second integrated circuit bus equipment; the work tag indicates the service to which the data block belongs, the parameter should be placed in the data header (i.e. the block header) of the service data, and after being issued to the second integrated circuit bus device to which the data block belongs, the second integrated circuit bus device is used for distinguishing the data blocks of different service data; dataNum represents the block number that should be placed in the data header, and after issuing to the second integrated circuit bus device to which it belongs, the second integrated circuit bus device is configured to distinguish the block order of each data block; the crc indicates the block check information, and the parameter should be placed at the head or tail (i.e. the tail of the block), and after being issued to the second integrated circuit bus device, the second integrated circuit bus device is used to determine whether the current data block is correct, i.e. whether the data block changes during transmission.
Further, referring to fig. 6, fig. 6 is a flowchart of a data transmission stage according to an embodiment of the present application. Before the transmission queue transmits service information, the first integrated circuit bus device can determine whether first service data exists in the transmission queue, if so, acquire the transmission priority of the first service data, compare the transmission priority of the first service data with the transmission priority of second service data, wherein the second service data is currently transmitting service data, then judge whether the transmission priority of the first service data is higher than the transmission priority of the second service data, if so, save the block number of a target block of the second service data, set the transmission state of the second service data as interrupt, set the transmission state of the first service data as start, update the block number of a data block to be transmitted, and finally finish the transmission of the service data; and if the transmission priority of the first service data is lower than that of the second service data, transmitting the target block, updating the block number of the data block to be transmitted, and finally completing the transmission of the service data.
If the first service data does not exist in the sending queue, a target block to be sent of the second service data is obtained, the target block is sent, meanwhile, the block number of the data block to be sent is updated, and finally, the transmission of the service data is completed.
After the transmission of the service data is completed, whether the transmission queue has the first service data is determined again, so that the cycle is completed.
Next, referring to fig. 7, fig. 7 is a flowchart of a data combining stage according to an embodiment of the present application. After the second integrated circuit bus equipment receives the data block, acquiring the data number of the data block, judging whether the data block is a data block in new service data or not through a service number pool, if so, storing the data block and breakpoint information of the received original service data (namely second service data), then judging whether the second service data is complete service data or not, if so, checking the data integrity of the second service data, and meanwhile analyzing the data information in the second service data to execute subsequent processing; if not (i.e. the second service data is not complete service data), checking the data block of the second service data, checking whether the data block in transmission has data errors, and storing the data information in the data block.
If the data block is not required to be a data block in the new service data, acquiring a block number of the data block, determining whether the data block is a tail block, if so, checking the service data, storing the data block into a corresponding service data storage area, performing data integrity check on second service data corresponding to the data block, and executing subsequent processing; if the data block is not the tail block, the data block is checked and stored in the corresponding business data storage area.
Finally, referring to fig. 8, fig. 8 is a flowchart of a service data execution phase provided in an embodiment of the present application. The second integrated circuit bus equipment analyzes the data head (i.e. the block head) of the received service data (such as the first service data or the second service data) to obtain the data type of the service data, and if the data type is the file type, i.e. the service data is the file data, the file data is written into the flash or the file data is stored; if the data type is the instruction type, namely the service data is the instruction data, continuing to judge the instruction type of the instruction data, and if the instruction type is the setting type, namely the instruction data is the setting instruction, executing the operation corresponding to the setting instruction; if the instruction type is the query type, that is, the instruction data is the query instruction, executing the operation corresponding to the query instruction, and finally counting the query result.
Referring to fig. 9, an embodiment of the present application further provides a data transmission apparatus, including:
an acquiring module 901, configured to acquire first service data and a transmission priority of the first service data;
the first transmission module 902 is configured to suspend transmission of the target block in the second service data and transmit the first service data to the second integrated circuit bus device if the transmission priority of the first service data is higher than the transmission priority of the second service data, where the second service data is currently being transmitted on the first integrated circuit bus device, and the second service data includes a plurality of data blocks, and the data blocks are obtained by performing data blocking on the second service data.
In some alternative embodiments, the data transmission device further includes:
and the second transmission module is used for continuously transmitting the rest data blocks in the second service data to the second integrated circuit bus equipment according to the target blocks after the transmission of the first service data is completed.
In some alternative embodiments, the second transmission module specifically includes:
and the transmission unit is used for continuously transmitting the target block and the data blocks subsequent to the target block in the second service data to the second integrated circuit bus equipment from the target block.
In some alternative embodiments, the data transmission device further includes:
the third transmission module is used for alternately transmitting the first service data and the second service data to the second integrated circuit bus equipment if the transmission priority of the first service data is equal to that of the second service data; or after the second service data transmission is completed, transmitting the first service data to the second integrated circuit bus device.
In some optional embodiments, the acquiring module 901 specifically includes:
the acquisition unit is used for acquiring the data type of the first service data;
and the determining unit is used for determining the transmission priority of the first service data according to the data type of the first service data.
Referring to fig. 10, an embodiment of the present application further provides a data transmission apparatus, including:
a first receiving module 1001, configured to receive a data block of second service data from the first integrated circuit bus device, where the second service data includes a plurality of data blocks, and the data block is obtained by performing data blocking on the second service data;
a second receiving module 1002, configured to receive first service data, where the first service data is received after transmission of a target block of the second service data is suspended when a transmission priority of the first service data is higher than a transmission priority of the second service data;
And the data block combining module 1003 is configured to continuously receive the remaining data blocks in the second service data according to the target block after the first service data is received, and combine the data blocks to obtain the second service data.
The data transmission device in this embodiment is presented in the form of functional modules, where the modules refer to application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), processors and memories that execute one or more software or firmware programs, and/or other devices that provide the described functionality.
Further functional descriptions of the above respective modules and units are the same as those of the above corresponding embodiments, and are not repeated here.
The embodiment of the invention also provides computer equipment, which is provided with the data transmission device shown in the figures 9 and 10.
Referring to fig. 11, fig. 11 is a schematic structural diagram of a computer device according to an alternative embodiment of the present invention, as shown in fig. 11, the computer device includes: one or more processors 10, memory 20, and interfaces for connecting the various components, including high-speed interfaces and low-speed interfaces. The various components are communicatively coupled to each other using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions executing within the computer device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface. In some alternative embodiments, multiple processors and/or multiple buses may be used, if desired, along with multiple memories and multiple memories. Also, multiple computer devices may be connected, each providing a portion of the necessary operations (e.g., as a server array, a set of blade servers, or a multiprocessor system). One processor 10 is illustrated in fig. 11.
The processor 10 may be a central processor, a network processor, or a combination thereof. The processor 10 may further include a hardware chip, among others. The hardware chip may be an application specific integrated circuit, a programmable logic device, or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general-purpose array logic, or any combination thereof.
Wherein the memory 20 stores instructions executable by the at least one processor 10 to cause the at least one processor 10 to perform a method for implementing the embodiments described above.
The memory 20 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created from the use of the computer device of the presentation of a sort of applet landing page, and the like. In addition, the memory 20 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. In some alternative embodiments, memory 20 may optionally include memory located remotely from processor 10, which may be connected to the computer device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Memory 20 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk, or solid state disk; the memory 20 may also comprise a combination of the above types of memories.
The computer device also includes a communication interface 30 for the computer device to communicate with other devices or communication networks.
The embodiments of the present invention also provide a computer readable storage medium, and the method according to the embodiments of the present invention described above may be implemented in hardware, firmware, or as a computer code which may be recorded on a storage medium, or as original stored in a remote storage medium or a non-transitory machine readable storage medium downloaded through a network and to be stored in a local storage medium, so that the method described herein may be stored on such software process on a storage medium using a general purpose computer, a special purpose processor, or programmable or special purpose hardware. The storage medium can be a magnetic disk, an optical disk, a read-only memory, a random access memory, a flash memory, a hard disk, a solid state disk or the like; further, the storage medium may also comprise a combination of memories of the kind described above. It will be appreciated that a computer, processor, microprocessor controller or programmable hardware includes a storage element that can store or receive software or computer code that, when accessed and executed by the computer, processor or hardware, implements the methods illustrated by the above embodiments.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (11)
1. A method of data transfer applied to a first integrated circuit bus device, the method comprising:
acquiring first service data and a transmission priority of the first service data;
and if the transmission priority of the first service data is higher than that of the second service data, suspending the transmission of the target block in the second service data, and transmitting the first service data to a second integrated circuit bus device, wherein the second service data is currently transmitted on the first integrated circuit bus device, and comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data.
2. The method according to claim 1, wherein the method further comprises:
and after the first service data transmission is completed, continuing to transmit the rest data blocks in the second service data to the second integrated circuit bus equipment according to the target blocks.
3. The method of claim 2, wherein continuing to transmit remaining blocks of the second traffic data to the second integrated circuit bus device based on the target blocks comprises:
and starting from the target block, continuing to transmit the target block and the data blocks subsequent to the target block in the second service data to the second integrated circuit bus device.
4. A method according to any one of claims 1 to 3, wherein the data transmission method further comprises:
if the transmission priority of the first service data is equal to the transmission priority of the second service data, alternately transmitting the first service data and the second service data to the second integrated circuit bus device; or after the second service data transmission is completed, transmitting the first service data to the second integrated circuit bus device.
5. The method of claim 1, wherein the obtaining the transmission priority of the first service data comprises:
acquiring the data type of the first service data;
and determining the transmission priority of the first service data according to the data type of the first service data.
6. A method of data transfer applied to a second integrated circuit bus device, the method comprising:
receiving a data block of second service data from the first integrated circuit bus device, wherein the second service data comprises a plurality of data blocks, and the data blocks are obtained by performing data blocking on the second service data;
receiving first service data, wherein the first service data is received after transmission of a target block of the second service data is suspended under the condition that the transmission priority of the first service data is higher than that of the second service data;
and after the first service data is received, continuously receiving the rest data blocks in the second service data according to the target blocks, and combining the data blocks to obtain the second service data.
7. A data transmission apparatus, comprising:
the acquisition module is used for acquiring the first service data and the transmission priority of the first service data;
and the first transmission module is used for suspending the transmission of a target block in the second service data and transmitting the first service data to the second integrated circuit bus equipment if the transmission priority of the first service data is higher than that of the second service data, wherein the second service data is currently transmitted on the first integrated circuit bus equipment and comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data.
8. A data transmission apparatus, comprising:
the first receiving module is used for receiving a data block of second service data from the first integrated circuit bus equipment, wherein the second service data comprises a plurality of data blocks, and the data blocks are obtained by carrying out data blocking on the second service data;
the second receiving module is used for receiving first service data, wherein the first service data is received after transmission of a target block of the second service data is suspended under the condition that the transmission priority of the first service data is higher than that of the second service data;
and the data block combining module is used for continuously receiving the rest data blocks in the second service data according to the target block after the first service data is received, and combining the data blocks to obtain the second service data.
9. A data transmission system comprising a first integrated circuit bus device and a second integrated circuit bus device according to any one of claims 1 to 6, said first integrated circuit bus device and said second integrated circuit bus device being communicatively coupled.
10. A computer device, comprising:
a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the data transmission method of any of claims 1 to 6.
11. A computer-readable storage medium having stored thereon computer instructions for causing a computer to perform the data transmission method of any one of claims 1 to 6.
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