CN102546363A - Message processing method, device and equipment - Google Patents
Message processing method, device and equipment Download PDFInfo
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- CN102546363A CN102546363A CN2010105988777A CN201010598877A CN102546363A CN 102546363 A CN102546363 A CN 102546363A CN 2010105988777 A CN2010105988777 A CN 2010105988777A CN 201010598877 A CN201010598877 A CN 201010598877A CN 102546363 A CN102546363 A CN 102546363A
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Abstract
The invention is applied in the field of network communication, and provides a message processing method, a message processing device and equipment. The method comprises the following steps of: when an input message is received, extracting the quintuple information of the input message; matching the quintuple information of the input message and session table entries of a stored session table, and updating the session table according to a matching result, wherein the session table is used for recording the quintuple information of messages and the statuses of the session table entries; and correspondingly processing the input message according to the status of a session table entry which is matched with the input message. The quintuple information of the input message is matched with the session table comprising the quintuple information of the messages to realize the identification of an application protocol; and moreover, the message is processed according to the status of a corresponding session table entry, so that the polling detection of each application protocol content feature code is avoided, and system resources are saved.
Description
Technical field
The invention belongs to network communication field, relate in particular to a kind of message processing method, device and equipment.
Background technology
In the network service process, incoming message is handled, needed the identification application protocol that this message adopted.High speed development along with Internet technology; Characteristic informations such as those protocol-identifiers, port numbers are positioned at the traditional standard agreement of message fixed position; For example network layer IP agreement, transport layer TCP/UDP agreement and application layer have SMTP, the DNS Protocol of fixed port; Or the like, ratio occupied in whole network traffics is more and more lower, and the kind of novel application protocol is more and more.Than the traditional standard agreement, novel application protocol has characteristics such as agreement complicacy, port be fixing, and for example, 80 ports of traditional Transmission Control Protocol generally are meant http protocol, but present many application protocols also with 80 ports as its COM1; In addition, present many HTTP websites are not could visit through 80 ports yet, and the difficulty that above problem has all caused utilizing traditional approach to carry out application protocol identification increases, and the accuracy of identification reduces.
The key method that improves application protocol identification accuracy is exactly the content characteristic sign indicating number detection of each message that is input to network communication equipment being carried out application protocol.In the prior protocols recognition technology; When facing novel application protocol, the position and the shared byte space that are arranged in message owing to its content characteristic sign indicating number all can be different, and the traversal that therefore need all carry out full message byte space to each message of input detects; Its identifying has taken bigger system resource; Reduced the handling property of network communication equipment largely, under the serious situation even cause the abnormal state of equipment, up to systemic breakdown to incoming message.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of message processing method, is intended to solve in the prior art in the message processing procedure, and application protocol recognition methods system resource occupancy is big, causes the low problem of message handling property.
The embodiment of the invention is achieved in that a kind of message processing method, and said method comprises the steps:
When receiving incoming message, extract the five-tuple information of said incoming message;
The session entry of the conversational list of the five-tuple information of said incoming message and storage is mated, and upgrade said conversational list according to matching result, said conversational list is used for the five-tuple information of recorded message and the state of said session entry;
According to the state of the session entry of said incoming message coupling, said incoming message is carried out handled.
Another purpose of the embodiment of the invention is to provide a kind of message process device, and said device comprises:
The conversational list unit is used for the store session table, and said conversational list is used for the five-tuple information of recorded message and the state of session entry;
The message information extraction unit is used for when receiving incoming message, extracts the five-tuple information of incoming message;
Matching unit is used for the five-tuple information of said incoming message and the conversational list of storage are mated;
The conversational list updating block is used for upgrading the session entry of said conversational list according to the result of coupling;
Message process unit is used for the state according to the said session entry of coupling, and said incoming message is carried out handled.
Another purpose of the embodiment of the invention is to provide a kind of equipment that comprises above-mentioned message process device.
The embodiment of the invention is through mating the five-tuple information of incoming message with the conversational list that comprises message five-tuple information; Realization is to using the identification of agreement; And message is handled according to the state of corresponding session entry; Avoided the traversal of each application protocol content characteristic sign indicating number is detected, saved system resource.
Description of drawings
Fig. 1 is the realization flow figure of the message processing method that provides of the embodiment of the invention;
Fig. 2 is the realization flow figure that the conversational list that provides of the embodiment of the invention upgrades;
Fig. 3 is the structure chart of the message process device that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention is through mating the five-tuple information of incoming message with the conversational list that comprises message five-tuple information; Realization is to using the identification of agreement; And message is handled according to the state of corresponding session entry; Avoided the traversal of each application protocol content characteristic sign indicating number is detected, saved system resource.
Fig. 1 shows the realization flow of the message processing method that the embodiment of the invention provides, and details are as follows:
In step S101, when receiving incoming message, extract the five-tuple information of said incoming message, this five-tuple information comprises source IP address, IP address, place, protocol type, source port and the place port of message.
In step S102, the session entry of the conversational list of the five-tuple information of said incoming message and storage is mated, and upgrade said conversational list according to matching result, said conversational list is used for the five-tuple information of recorded message and the state of said session entry.
In embodiments of the present invention, conversational list is the ensemble space with more than one hundred million session entries, and wherein, the bar number of session entry is not limited at this by the storage capacity decision of heterogeneous networks communication equipment.In above-mentioned conversational list; Each bar session entry has all write down a kind of five-tuple information of message of application protocol type; And in its life cycle, have four kinds of states: i.e. initial condition, forwarding state, discarding state and dismounting state, above-mentioned four kinds of states under certain condition can be from a kind of state transition to another kind of state.In step S102, the concrete steps of upgrading said conversational list according to matching result are as shown in Figure 2, repeat no more at this.
In step S103, the state according to the said session entry that matees carries out handled to incoming message.
In embodiments of the present invention, when a session entry is in forwarding state, then all messages that mate this session entry are transmitted output; When a session entry is in discarding state, then abandon all messages of this session entry of coupling.
In embodiments of the present invention; State according to the session entry that matees carries out handled to incoming message, under the prerequisite that need not detect the protocol contents condition code; Completion has improved the accuracy of agreement identification and the efficient that message is handled to the processing of incoming message.
The concrete realization flow that the conversational list that Fig. 2 shows the embodiment of the invention to be provided upgrades, details are as follows:
In step S201, judge whether the five-tuple information of incoming message and conversational list mate success, if successful, then conversational list is not upgraded, if failure, then execution in step S202.
In step S202, a newly-built session entry with the five-tuple information matches of incoming message in conversational list, and the state that said session entry is set is an initial condition.
In embodiments of the present invention; When incoming message is searched less than the session entry that matches in conversational list; Then pass through the five-tuple information of this incoming message of extraction; A newly-built session entry with the five-tuple information matches of this incoming message in conversational list, and it is set is in initial condition.
In embodiments of the present invention, when a session entry is in initial condition, represent that then this session entry is newly-built session entry, this moment, conversational list carried out buffer memory with the incoming message that receives.
In step S203, the preceding preset incoming message with newly-built session entry coupling is carried out application protocol identification.
In embodiments of the present invention, detect through the preceding preset incoming message with newly-built session entry coupling is carried out the content characteristic sign indicating number, and, identify the application protocol that above-mentioned incoming message adopts through configured application protocol contents characteristic in the system is compared.
In embodiments of the present invention; Carrying out the incoming message quantity of application protocol identification confirms through default value N; Wherein, numerical value of N is confirmed according to the identification complexity of different application agreement for what can join; If the current application protocol that needs identification only need through first or before several a spot of messages can discern exactly, then the Configuration Values of numerical value of N is less; Otherwise if the current application protocol of identification that needs need can be discerned through preceding tens perhaps more messages exactly, then the Configuration Values of numerical value of N is bigger.As a realization example of the present invention, can N be set at 5.
As one embodiment of the present of invention; In the time can't carrying out agreement identification to incoming message, can numerical value of N be configured to bigger numerical value through upgrading numerical value of N through the N value of current configuration; Discern once more, realize the flexibility and the extensibility of application protocol identification.
In step S204,, corresponding message processing mode is fed back to conversational list according to the application protocol recognition result.
In embodiments of the present invention, according to the result who among the step S203 application protocol that incoming message adopted is discerned, find out the pairing processing mode of this application protocol message, and feed back to conversational list.
In step S205, conversational list carries out state transition according to the message processing mode of feedback to corresponding session entry.
At this moment, if the processing mode of current incoming message is forwarding, then conversational list is moved to forwarding state with the state of corresponding session entry by initial condition after receiving feedback information; If the processing mode of current incoming message is for abandoning, then conversational list is moved to discarding state with the state of corresponding session entry by initial condition after receiving feedback information.According to the state of session entry in the conversational list, all messages that mate this session entry are handled accordingly.
As one embodiment of the present of invention, the state transition of session entry can also be accomplished through receiving the migration instruction.Through to conversational list feedback states migration information, make the session entry in the conversational list move to discarding state by forwarding state, perhaps move to forwarding state by discarding state.For example, when a session entry migrates to forwarding state by discarding state, then all subsequent packets with this session entry coupling will no longer carry out discard processing, transmit output and transfer to; Otherwise when a session entry migrates to discarding state by forwarding state, then all subsequent packets with this session entry coupling will be dropped.
In embodiments of the present invention; Through only detect in the application flow before some messages; Can realize not mating the agreement identification of incoming message; Avoided all will carrying out the loaded down with trivial details step that the content characteristic sign indicating number detects, reduced the workload of agreement identification largely, improved the message treatment effeciency every message in the application flow.
As one embodiment of the present of invention, when having mated the message of dismounting link on the session entry, the state that this session entry then is set is the dismounting state, in conversational list, this session entry is removed.For example; Received that about the session entry of Transmission Control Protocol flag bit is the dismounting link message of FIN or RST in the Transmission Control Protocol; One of client or service end of then representing this TCP link initiated to remove the request of this TCP link; To the dismounting state, this session entry is by removing in the conversational list by other state transitions for the state of this session entry at this moment.
As another embodiment of the present invention,, when a session entry has no message to match in this ageing time, then in conversational list, this session entry is removed through the ageing time of configuration session list item.In embodiments of the present invention; When a session entry runs into the incoming message that matches, promptly begin this session entry is carried out timing, in the ageing time of setting; When in case this session entry runs into the incoming message that matches once more, timing result zero clearing and restart timing; If incoming message and this session entry coupling is not arranged when timing result arrives the ageing time of setting yet, the state that this session entry then is set is the dismounting state, in conversational list, this session entry is removed.
As another embodiment of the present invention; When the network communication equipment storage capacity limited; During the conversational list memory space inadequate, can also be through screening, ageing time wherein is near or remove at the session entry of session entry life span matching message negligible amounts; To realize effective utilization of system resources space, optimization process performance.
In embodiments of the present invention; Through the ageing time of configuration session list item, the session entry that in this ageing time, does not have incoming message to match is removed, dynamically the maintain sessions table; Avoid the existence of a large amount of invalid session entries, realized effective utilization system resource.
Fig. 3 shows the structure of the message process device that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with present embodiment.
With reference to Fig. 3, this message process device can be applied to network communication equipments such as computer, palmtop PC, mobile phone, can be software unit, hardware cell or the software and hardware combining unit that runs on these network communication equipments, wherein:
Message information extraction unit 32 when receiving incoming message, extracts the said five-tuple information of incoming message.
Matching unit 33 matees the conversational list of storage in the five-tuple information of the incoming message that extracts in the message information extraction unit 32 and the session table unit 31.
Conversational list updating block 34 upgrades the session entry of said conversational list according to the result of coupling.
Wherein, conversational list updating block 34 comprises:
Matching result judging unit 341 judges whether the five-tuple information of said incoming message and the said conversational list of storage mate.
Session entry is set up unit 342, when not having session entry and incoming message coupling in the conversational list unit 31, according to the five-tuple information of incoming message, sets up a session entry that matees with incoming message.
In embodiments of the present invention, the state of newly-established session entry is an initial condition, and at this moment, this message process device also comprises:
Numerical value dispensing unit 36, preset said incoming message quantity of carrying out application protocol identification.
Processing mode feedback unit 38, the result according to said application protocol identification feeds back to conversational list unit 31 with corresponding message processing mode.
In addition, conversational list updating block 34 also comprises:
Ageing time dispensing unit 343 through the ageing time of configuration session list item, when a session entry has no message to match in this ageing time, is then removed this session entry in conversational list unit 31.
Session entry is removed unit 344, is used to remove the session entry of handling the dismounting state.
In embodiments of the present invention, through comprising the conversational list of message five-tuple information dynamically, according to the state of session entry wherein; Incoming message to matching carries out handled, simultaneously, and when not having the session entry that matees with incoming message to exist; Only need some incoming messages of this application flow are carried out the detection of content characteristic sign indicating number; Can realize agreement identification, reduce the processing flow of agreement identification, improve the accuracy of agreement identification; Promote the message processing performance, and saved system resource.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a message processing method is characterized in that, said method comprises the steps:
When receiving incoming message, extract the five-tuple information of said incoming message;
The session entry of the conversational list of the five-tuple information of said incoming message and storage is mated, and upgrade said conversational list according to matching result, said conversational list is used for the five-tuple information of recorded message and the state of said session entry;
According to the state of the session entry of said incoming message coupling, said incoming message is carried out handled.
2. the method for claim 1 is characterized in that, the state of said session entry comprises forwarding state, discarding state, initial condition and dismounting state.
3. the method for claim 1 is characterized in that, the said step of upgrading said conversational list according to matching result is specially:
When the five-tuple information of said incoming message and said conversational list mate successfully, said conversational list is not upgraded;
When the five-tuple information of said incoming message and the failure of said conversational list coupling, a newly-built session entry with the five-tuple information matches of said incoming message in said conversational list, and the state that said session entry is set is an initial condition.
4. according to claim 1 or claim 2 method is characterized in that, the state of said basis and the session entry of said incoming message coupling, and the step of said incoming message being carried out handled is specially:
When the state with the session entry of said incoming message coupling is forwarding state, transmit said incoming message;
When the state with the session entry of said incoming message coupling is discarding state, abandon said incoming message.
5. according to claim 1 or claim 2 method is characterized in that, the state of said basis and the session entry of said incoming message coupling is specially the step of carrying out handled with said incoming message:
When the state with the session entry of said incoming message coupling is initial condition, the preceding preset said incoming message with said session entry coupling is carried out application protocol identification;
Result according to said application protocol identification feeds back to said session entry with corresponding message processing mode;
According to said message processing mode, said session entry is carried out state transition.
6. the method for claim 1 is characterized in that, said method also comprises the steps:
Dispose the ageing time of said session entry, when in said ageing time, not having said incoming message and said session entry coupling, the state that said session entry is set is the dismounting state, removes said session entry.
7. a message process device is characterized in that, said device comprises:
The conversational list unit is used for the store session table, and said conversational list is used for the five-tuple information of recorded message and the state of session entry;
The message information extraction unit is used for when receiving incoming message, extracts the five-tuple information of incoming message;
Matching unit is used for the five-tuple information of said incoming message and the conversational list of storage are mated;
The conversational list updating block is used for upgrading the session entry of said conversational list according to the result of coupling;
Message process unit is used for the state according to the said session entry of coupling, and said incoming message is carried out handled.
8. device as claimed in claim 7 is characterized in that, said conversational list updating block comprises:
The matching result judging unit is used to judge whether the five-tuple information of said incoming message and the said conversational list of storage mate;
Session entry is set up the unit, is used at the newly-built session entry that matees with said incoming message of said conversational list;
And
The ageing time dispensing unit is used to dispose the ageing time of said session entry;
Session entry is removed the unit, is used to remove said session entry.
9. device as claimed in claim 7 is characterized in that, said device also comprises:
The numerical value dispensing unit is used for preset said incoming message quantity of carrying out application protocol identification;
The agreement recognition unit is used for said incoming message is carried out application protocol identification;
The processing mode feedback unit is used for the result according to said application protocol identification, and corresponding message processing mode is fed back to said session entry;
The state transition unit is used for according to said message processing mode said session entry being carried out state transition.
10. equipment that comprises like each described message process device of claim 7 to 9.
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| CN105519058A (en) * | 2014-11-10 | 2016-04-20 | 华为技术有限公司 | Controller, server node and data package forwarding method |
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| CN105897879A (en) * | 2016-04-01 | 2016-08-24 | 锐捷网络股份有限公司 | Method, equipment and client for migrating auto-configuration server ACS |
| CN106534287A (en) * | 2016-10-27 | 2017-03-22 | 杭州迪普科技股份有限公司 | Session table item management method and device |
| CN108924200A (en) * | 2018-06-21 | 2018-11-30 | 国家电网有限公司 | A kind of message processing method and device |
| CN111092785A (en) * | 2019-12-05 | 2020-05-01 | 深圳市任子行科技开发有限公司 | Data monitoring method and device |
| CN113079125A (en) * | 2020-01-03 | 2021-07-06 | 国网湖北省电力有限公司 | Clue analyzing and verifying system, apparatus and storage medium for network security |
| CN113765877A (en) * | 2021-02-08 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Session identification method and device, electronic equipment and computer readable medium |
| CN115174708A (en) * | 2022-07-14 | 2022-10-11 | 北京物芯科技有限责任公司 | Message receiving method, message determining method, message receiving device, message determining exchange chip, message receiving equipment and message determining system |
| WO2023169270A1 (en) * | 2022-03-08 | 2023-09-14 | 阿里巴巴（中国）有限公司 | Packet processing method and electronic device |
| CN115174708B (en) * | 2022-07-14 | 2024-06-25 | 北京物芯科技有限责任公司 | Message receiving and information determining method, device, exchange chip, equipment and system |
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| CN111092785A (en) * | 2019-12-05 | 2020-05-01 | 深圳市任子行科技开发有限公司 | Data monitoring method and device |
| CN113079125A (en) * | 2020-01-03 | 2021-07-06 | 国网湖北省电力有限公司 | Clue analyzing and verifying system, apparatus and storage medium for network security |
| CN113765877A (en) * | 2021-02-08 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Session identification method and device, electronic equipment and computer readable medium |
| WO2023169270A1 (en) * | 2022-03-08 | 2023-09-14 | 阿里巴巴（中国）有限公司 | Packet processing method and electronic device |
| CN115174708A (en) * | 2022-07-14 | 2022-10-11 | 北京物芯科技有限责任公司 | Message receiving method, message determining method, message receiving device, message determining exchange chip, message receiving equipment and message determining system |
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