CN112799705A - Simulation structure system upgrading method - Google Patents
Simulation structure system upgrading method Download PDFInfo
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- CN112799705A CN112799705A CN202110174280.8A CN202110174280A CN112799705A CN 112799705 A CN112799705 A CN 112799705A CN 202110174280 A CN202110174280 A CN 202110174280A CN 112799705 A CN112799705 A CN 112799705A
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Abstract
The invention provides a method for upgrading a mimicry construction system, which comprises the following steps: constructing a UDP broadcast data packet containing an upgrading program; the upgrading server sends a UDP broadcast data packet to the mimicry construction system through a service interface, and the UDP broadcast data packet is transmitted in the input/output agent module, the heterogeneous executive body, the arbitration module and the feedback scheduling module in sequence; and after the mimic component and the heterogeneous executive body receive the UDP broadcast data packet, verifying the UDP broadcast data packet, if the verification is successful, starting a software upgrading process of the corresponding component, otherwise, transmitting the UDP broadcast data packet. The method adopts an upgrading method of 'step-by-step transmission, step-by-step matching and signature verification' by means of the single linearity of the internal communication of the mimicry construction system, and realizes the safe upgrading of the mimicry assembly and the heterogeneous executive body by means of the service interface of the mimicry construction system.
Description
Technical Field
The invention belongs to the technical field of mimicry security, and particularly relates to an upgrading method of a mimicry construction system.
Background
Due to the introduction of new functions or the repair of certain BUGs, the system often needs to upgrade software to meet new service requirements. The mimicry structure system is composed of a mimicry component and a heterogeneous executive body, due to the unidirectional property of internal communication of the mimicry structure system and the complexity of an internal software module, the upgrade is carried out in a traditional mode of directly uploading an upgrade package, the mimicry structure system is only suitable for the condition that the mimicry structure system has a single upgrade management interface, and the upgrade of the system is completed through a system reserved interface. In some cases, the upgrade needs to be completed by the service interface of the mimicry construction system, and at this time, a new upgrade method is needed to meet the software upgrade requirements of the mimicry component and the executive.
Disclosure of Invention
The invention aims to provide a method for upgrading a pseudo-configuration system, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a method for upgrading a pseudo-configuration system in a first aspect, which comprises the following steps:
constructing a UDP broadcast data packet containing an upgrading program;
the upgrading server sends a UDP broadcast data packet to the mimicry construction system through a service interface, and the UDP broadcast data packet is transmitted in the input/output agent module, the heterogeneous executive body, the arbitration module and the feedback scheduling module in sequence;
and after the mimic component and the heterogeneous executive body receive the UDP broadcast data packet, verifying the UDP broadcast data packet, if the verification is successful, starting a software upgrading process of the corresponding component, otherwise, transmitting the UDP broadcast data packet.
Based on the above, the transmission format of the data packet of the UDP broadcast packet is type, untype, Sversion, Ulen, Udata, and Ucheck, which are arranged in sequence; wherein the content of the first and second substances,
type represents software upgrading type, 0x10 represents input agent module for upgrading, 0x11 represents output agent module for upgrading, 0x12 represents arbitration module for upgrading, and 0x13 represents feedback scheduling module for upgrading; 0x2n represents the heterogeneous executant n to upgrade;
utype represents the initial stage of the upgrading process, 0x01 represents the start of upgrading, 0x02 represents the progress of upgrading, and 0x03 represents the end of upgrading;
sversion represents the version number of the upgrading software, and the version numbers are sequentially increased from 0x 01;
ulen represents the data length of Udata;
udata represents upgrade data, and when the Utype is 0x01 or 0x03, the Udata is represented by all 0;
ucheck is the checksum of Udata.
Based on the above, after the input/output proxy module receives the complete UDP broadcast data packet, the signature verification is performed on the UDP broadcast data packet, if the verification is successful, the update process of the system is started, otherwise, the update is abandoned.
Based on the above, the mimicry component and the heterogeneous executive body do not feed back whether the upgrade is successful or not to the upgrade server; and the upgrade server checks whether the upgrade is successful or not by acquiring the highest authority of the mimicry construction system.
Based on the above, the arbitration module arbitrates the UDP broadcast data packet sent by each heterogeneous executive first after receiving the UDP broadcast data packet, and if the arbitration is successful, one part of the UDP broadcast data packet is reserved for continuous transmission or for self use; if the judgment fails, a dynamic scheduling process is started to clean the heterogeneous executives.
The invention provides a mimicry construction system, which comprises an input/output agent module, a heterogeneous executive body, a judgment module, a feedback scheduling module and an upgrading server, wherein when the mimicry construction system needs to be upgraded, the mimicry construction system upgrading method is executed.
Compared with the prior art, the method has outstanding substantive characteristics and remarkable progress, and particularly, the method realizes the safe upgrade of the mimicry component and the heterogeneous executive body by the service interface of the mimicry construction system by means of the single linearity of the internal communication of the mimicry construction system and adopting an upgrade method of 'step-by-step transmission, step-by-step matching and signature verification'.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a method for upgrading a pseudo configuration system according to a first aspect of the present invention, including:
constructing a UDP broadcast data packet containing an upgrading program;
in order to ensure the single linearity of an upgrading link, an upgrading server sends a UDP broadcast data packet to a mimicry construction system through a service interface, and the UDP broadcast data packet is transmitted in an input/output agent module, a heterogeneous executive body, a decision module and a feedback scheduling module in sequence.
Specifically, the transmission format of the data packet of the UDP broadcast packet is:
| Stype | Utype | Sversion | Ulen | Udata | Ucheck |
type represents software upgrading type, 0x10 represents input agent module for upgrading, 0x11 represents output agent module for upgrading, 0x12 represents arbitration module for upgrading, and 0x13 represents feedback scheduling module for upgrading; 0x2n represents the heterogeneous executant n to upgrade;
utype represents the initial stage of the upgrading process, 0x01 represents the start of upgrading, 0x02 represents the progress of upgrading, and 0x03 represents the end of upgrading;
sversion represents the version number of the upgrading software, and the version numbers are sequentially increased from 0x 01;
ulen represents the data length of Udata;
udata represents upgrade data, and when the Utype is 0x01 or 0x03, the Udata is represented by all 0;
ucheck is the checksum of Udata.
After the input/output agent module receives the complete UDP broadcast data packet, firstly, signature verification is carried out on the UDP broadcast data packet, if the verification is successful, the updating process of the system is started, otherwise, the updating is abandoned; after the updating process of the system is started, after the mimic component and the heterogeneous executive body receive the UDP broadcast data packet, the UDP broadcast data packet is verified, if the verification is successful, the software upgrading process of the corresponding component is started, otherwise, the UDP broadcast data packet is transmitted.
Specifically, after receiving the UDP broadcast packet, the input/output proxy module first takes out a type from the UDP broadcast packet, determines whether the type is 0x10 or 0x12, and if not, distributes and transmits the UDP broadcast packet; if yes, taking out Sversion from the UDP broadcast data packet, comparing with local Sversion, if the value of Sversion is larger than the value of local Sversion, starting the upgrading process of the input/output agent module, otherwise, canceling the upgrading process of the input/output agent module.
Similarly, the heterogeneous executives, the arbitration module and the feedback scheduling module are upgraded in sequence, upgrade messages (UDP broadcast data packets) are transmitted layer by layer, and each mimicry component or heterogeneous executives are adapted according to the types of the messages. Due to the single linearity of the upgrading link, each component cannot feed back a message whether the upgrading is successful to the upgrading server, and whether the upgrading is successful can be checked by means of the highest authority of the system.
In particular, the upgrade data package is an upgrade package of the heterogeneous executable itself, and is not transmitted to the arbitration module any more. If the upgrade data is the upgrade data of the arbitration module or the feedback scheduling module, the arbitration module arbitrates the UDP broadcast data packets sent by each heterogeneous executive body, if the arbitration is successful, one UDP broadcast data packet is reserved to be continuously transmitted or used by the heterogeneous executive body, and if the arbitration is failed, a dynamic scheduling process is started to clean the heterogeneous executive bodies.
Example 2
The embodiment provides a pseudo-configuration system, which comprises an input/output agent module, a heterogeneous executive body, a arbitration module, a feedback scheduling module and an upgrade server, wherein when the pseudo-configuration system needs to be upgraded, the pseudo-configuration system upgrading method of the embodiment 1 is executed.
Those of ordinary skill in the art will appreciate that the various illustrative elements and method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (6)
1. A method for upgrading a pseudo-structured system, comprising:
constructing a UDP broadcast data packet containing an upgrading program;
the upgrading server sends a UDP broadcast data packet to the mimicry construction system through a service interface, and the UDP broadcast data packet is transmitted in the input/output agent module, the heterogeneous executive body, the arbitration module and the feedback scheduling module in sequence;
and after the mimic component and the heterogeneous executive body receive the UDP broadcast data packet, verifying the UDP broadcast data packet, if the verification is successful, starting a software upgrading process of the corresponding component, otherwise, transmitting the UDP broadcast data packet.
2. The pseudo-structured system upgrade method according to claim 1, characterized in that: the transmission format of the data message of the UDP broadcast data packet is Stype, Utype, Sversion, Ulen, Udata and Ucheck which are arranged in sequence; wherein the content of the first and second substances,
type represents software upgrading type, 0x10 represents input agent module for upgrading, 0x11 represents output agent module for upgrading, 0x12 represents arbitration module for upgrading, and 0x13 represents feedback scheduling module for upgrading; 0x2n represents the heterogeneous executant n to upgrade;
utype represents the initial stage of the upgrading process, 0x01 represents the start of upgrading, 0x02 represents the progress of upgrading, and 0x03 represents the end of upgrading;
sversion represents the version number of the upgrading software, and the version numbers are sequentially increased from 0x 01;
ulen represents the data length of Udata;
udata represents upgrade data, and when the Utype is 0x01 or 0x03, the Udata is represented by all 0;
ucheck is the checksum of Udata.
3. The pseudo-structured system upgrade method according to claim 2, characterized in that: and after the input/output agent module receives the complete UDP broadcast data packet, firstly, carrying out signature verification on the UDP broadcast data packet, if the verification is successful, starting the updating process of the system, and if not, giving up the updating.
4. The pseudo-structured system upgrade method according to claim 1, characterized in that: the mimicry component and the heterogeneous executive body do not feed back whether the upgrade is successful or not to the upgrade server; and the upgrade server checks whether the upgrade is successful or not by acquiring the highest authority of the mimicry construction system.
5. The pseudo-structured system upgrade method according to claim 1, characterized in that: the arbitration module arbitrates UDP broadcast data packets sent by each heterogeneous executive body first after receiving the UDP broadcast data packets, and if the arbitration is successful, one part of the UDP broadcast data packets is reserved to be continuously transmitted or used by the UDP broadcast data packets; if the judgment fails, a dynamic scheduling process is started to clean the heterogeneous executives.
6. A mimicry construction system comprises an input/output agent module, a heterogeneous executive body, a sanction module and a feedback scheduling module, and is characterized in that: the upgrade server is further used for executing the simulation construction system upgrading method of any one of claims 1-5 when the simulation construction system is required to be upgraded.
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| CN114363051A (en) * | 2021-12-31 | 2022-04-15 | 河南信大网御科技有限公司 | Mimic switch and mimic system internal one-way communication method |
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