CN102014071A - Method or implementing synchronous deletion of message classification rules in software and hardware - Google Patents
Method or implementing synchronous deletion of message classification rules in software and hardware Download PDFInfo
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- CN102014071A CN102014071A CN2010105977895A CN201010597789A CN102014071A CN 102014071 A CN102014071 A CN 102014071A CN 2010105977895 A CN2010105977895 A CN 2010105977895A CN 201010597789 A CN201010597789 A CN 201010597789A CN 102014071 A CN102014071 A CN 102014071A
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- hardware
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- deletion
- message classification
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Abstract
The invention provides a method for implementing synchronous deletion of message classification rules in software and hardware. When the rules need deletion, the hardware sends a rule invalidity request to the software, and the software responds to the rule invalidity request of the hardware by starting a background thread at an application interface library to synchronously delete the rules in the software and the hardware so as to ensure the consistency of message classification rule tables of the software and the hardware.
Description
Technical field
The present invention relates to the network data management field, be specifically related to a kind of method that realizes message classification regular and synchronized deletion in the software and hardware.
Background technology
In hardware message classification system, hardware according to the message received, is dynamically deleted the message classification rule sometimes, if the rule list in the hardware is safeguarded that by software the direct deletion rule of hardware can cause the asynchronous of rule list in the software and hardware so.
In network environment, the different pieces of information bag adheres to separately different classes of according to some principles, and these principle of classification are exactly message classification rule.Some exists with static mode these rules in system, and this rule is generally permanently effective according to meeting, and also having some rules is DPs, and this rule is along with system requirements, real-time dynamic increase, deletion.
In traditional approach, software maintenance hardware rule, hardware is dynamically deleted message classification rule according to the message of receiving.But after the hardware deletion rule, owing to there be in time notice be responsible for the software that rule is safeguarded, perhaps notify not prompt enoughly, often cause the regular inconsistent of the rule of software end maintenance and hardware store.So after needing a kind of hardware deletion rule, in time notify software, guarantee the uniformity of software and hardware message classification rule table.
Realize the hardware deletion rule, the conventional method of software maintenance rule is, opens up a zone in software program, preserves a backup of hardware store rule, and when message arrived, the hardware deletion was corresponding regular.The then periodic scanning hardware of software is obtained up-to-date regular data.
Development along with application demand, the inconsistent shortcoming of soft or hard rule has appearred in the prior art scheme, because during the hardware deletion rule, the rule that software is failed to upgrade in time and safeguarded, if guarantee the rule and the hardware rule consistency of software, common mode is the rule of periodic scanning hardware, copies the storage area of software to.In the existing technical scheme, the scanning hardware of software cycle, the copy rule can't solve the inconsistent problem of software and hardware rule.
Summary of the invention
The objective of the invention is to solve the shortcoming of above-mentioned prior art scheme, by the hardware dynamic deletion rule, software is responsible for maintenance regulation.
A kind of method that realizes message classification regular and synchronized deletion in the software and hardware may further comprise the steps:
A, initialization internal memory, software application memory headroom, and return hardware regular domain pointer by the mmap function;
B, hardware are responsible for receiving network packet, if when having request to require dynamic deletion rule, then emit regular invalidation request to the backstage interface routine;
C, the formation of background program real time scan rule invalidation request after the discovery invalidation request, according to the invalidation request item, are searched rule corresponding to hash table, delete simultaneously the rule in the software and hardware.
A kind of optimal technical scheme of the present invention is: the memory headroom of applying in the described steps A is used for the hash list item of storage rule and this rule correspondence.
The present invention separates regular invalidation request and redundant rule elimination operation, how hardware need not to be concerned about specifically deletion rule, when message arrives, hardware dynamic sends regular invalidation request, background program is according to regular invalidation request formation, rule in deletion software, the hardware has guaranteed the uniformity of software, hardware rule.
Description of drawings
Fig. 1 is a work schematic diagram of the present invention
Embodiment
The present invention by hardware when the needs deletion rule, send regular invalidation request to software, by starting background thread in application interface library, by the regular invalidation request of software responses hardware, delete synchronously the rule in the software and hardware, guaranteed the uniformity of software and hardware message classification rule table.
Concrete scheme is as follows:
(1) when initialization, opens up an internal memory, respectively as the hash list item of storage rule and this rule list correspondence.And, return hardware regular domain pointer by the mmap function.
(2) hardware is received network packet, as requested, when needing dynamic deletion rule, sends a regular invalidation request to interface routine position, backstage.
(3) background program real time scan rule invalidation request formation according to invalid rule request item, is searched rule corresponding to hash table, the rule in the deletion software, and the rule in the hardware.
The present invention uses in the network security private server of dawn production, proves to realize that hardware sends regular invalidation request to the software background thread, and the rule by in the software deletion hardware guarantees the rule list uniformity.
Claims (2)
1. method that realizes the deletion of message classification regular and synchronized in the software and hardware is characterized in that: may further comprise the steps:
A, initialization internal memory, software application memory headroom, and return hardware regular domain pointer by the mmap function;
B, hardware are responsible for receiving network packet, if when having request to require dynamic deletion rule, then emit regular invalidation request to the backstage interface routine;
C, the formation of background program real time scan rule invalidation request after the discovery invalidation request, according to the invalidation request item, are searched rule corresponding to hash table, delete simultaneously the rule in the software and hardware.
2. a kind of synchronously method of deletion of message classification rule in the software and hardware that realizes as claimed in claim 1 is characterized in that: the memory headroom of applying in the described steps A is used for the hash list item of storage rule and this rule correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105977895A CN102014071A (en) | 2010-12-17 | 2010-12-17 | Method or implementing synchronous deletion of message classification rules in software and hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105977895A CN102014071A (en) | 2010-12-17 | 2010-12-17 | Method or implementing synchronous deletion of message classification rules in software and hardware |
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| CN102014071A true CN102014071A (en) | 2011-04-13 |
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| CN2010105977895A Pending CN102014071A (en) | 2010-12-17 | 2010-12-17 | Method or implementing synchronous deletion of message classification rules in software and hardware |
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| CN101232447A (en) * | 2008-02-28 | 2008-07-30 | 中兴通讯股份有限公司 | Method for controlling learning MAC address preaging |
| CN101309216A (en) * | 2008-07-03 | 2008-11-19 | 中国科学院计算技术研究所 | IP packet classification method and apparatus |
| CN101588299A (en) * | 2009-07-07 | 2009-11-25 | 杭州华三通信技术有限公司 | The veneer of the message forwarding method of distributed apparatus and distributed apparatus and this equipment |
| CN101616194A (en) * | 2009-07-23 | 2009-12-30 | 中国科学技术大学 | The optimizing host network performance system and method |
| CN101702726A (en) * | 2009-11-13 | 2010-05-05 | 曙光信息产业(北京)有限公司 | Method and device for updating quintuple rules for IP packet sorting device |
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2010
- 2010-12-17 CN CN2010105977895A patent/CN102014071A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7120644B1 (en) * | 2002-03-26 | 2006-10-10 | Software Engineering Corporation | Digital image storage and management system |
| CN101115017A (en) * | 2007-09-10 | 2008-01-30 | 杭州华三通信技术有限公司 | Method and device for deleting MAC address |
| CN101232447A (en) * | 2008-02-28 | 2008-07-30 | 中兴通讯股份有限公司 | Method for controlling learning MAC address preaging |
| CN101309216A (en) * | 2008-07-03 | 2008-11-19 | 中国科学院计算技术研究所 | IP packet classification method and apparatus |
| CN101588299A (en) * | 2009-07-07 | 2009-11-25 | 杭州华三通信技术有限公司 | The veneer of the message forwarding method of distributed apparatus and distributed apparatus and this equipment |
| CN101616194A (en) * | 2009-07-23 | 2009-12-30 | 中国科学技术大学 | The optimizing host network performance system and method |
| CN101702726A (en) * | 2009-11-13 | 2010-05-05 | 曙光信息产业(北京)有限公司 | Method and device for updating quintuple rules for IP packet sorting device |
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Application publication date: 20110413 |