CN106101123A - The analysis method and device of two layer message based on vxWorks operating system - Google Patents
The analysis method and device of two layer message based on vxWorks operating system Download PDFInfo
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- CN106101123A CN106101123A CN201610509542.0A CN201610509542A CN106101123A CN 106101123 A CN106101123 A CN 106101123A CN 201610509542 A CN201610509542 A CN 201610509542A CN 106101123 A CN106101123 A CN 106101123A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
Embodiments providing the analysis method and device of a kind of two layer message based on vxWorks operating system, wherein, the method includes: receive two layer message；In described two layer message, increase three-tier message packaging information, described two layer message is changed to three-tier message；Described three-tier message is resolved by protocol side.Use the present invention to solve vxworks operating system in prior art and can not resolve the technical problem of whole two layer messages.
Description
Technical field
The present embodiments relate to communication technical field, particularly relate to a kind of two layers of report based on vxWorks operating system
The analysis method and device of literary composition.
Background technology
Vxworks operating system is a kind of embedded real-time operating system that WindRiver company of the U.S. designs and develops.Good
The User Exploitation environment of good sustainable development capacity, high performance kernel and close friend, in embedded real-time operating system field
Occupy one seat.
In prior art, the program run under windows environment, if to obtain some two layer message, can use
Wincap mode packet capturing obtains；Can use under linux environment raw socket from link layer obtain required for two layers of report
Literary composition.And under vxWorks under environment, it is impossible to by getting two layer message with upper type.Vxworks operating system can receive
Part two layer message, but for some two layer messages, vxworks operating system can't actively receive and parse through, and causes two layers
Message loss in transmitting procedure.
Summary of the invention
In view of this, the embodiment of the present invention provides the analytic method of a kind of two layer message based on vxWorks operating system
And device, the technical problem of whole two layer messages can not be resolved solving vxworks operating system in prior art.
First aspect, embodiments provides the parsing side of a kind of two layer message based on vxWorks operating system
Method, including:
Receive two layer message；
In described two layer message, increase three-tier message packaging information, described two layer message is changed to three-tier message；
Described three-tier message is resolved by protocol side.
Second aspect, the embodiment of the present invention additionally provides the parsing of a kind of two layer message based on vxWorks operating system
Device, including:
Receiver module, user receives two layer message；
Package module, for increasing three-tier message packaging information in described two layer message, changes described two layer message
For three-tier message；
Parsing module, for resolving described three-tier message by protocol side.
The analysis method and device of the two layer message based on vxWorks operating system that the embodiment of the present invention provides, passes through
When receiving two layer message, two layer message increases three-tier message packaging information, two layer message is changed to three-tier message
After, three-tier message is sent to protocol side, resolves described three-tier message by protocol side.The technical side that the embodiment of the present invention provides
Case, it is provided that a kind of general method resolving two layer message, can solve existing vxWorks operating system can not be to inhomogeneity
The two layer message of type carries out the technical problem resolved, and promotes vxWorks operating system and processes the ability of dissimilar two layer message.
Accompanying drawing explanation
In order to the technical scheme of exemplary embodiment of the present is clearly described, required to describing in embodiment below
Accompanying drawing to be used does one and simply introduces.Obviously, the accompanying drawing introduced is a part of embodiment that the present invention is to be described
Accompanying drawing rather than whole accompanying drawings, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the analytic method of a kind of based on vxWorks operating system the two layer message that the embodiment of the present invention one provides
Schematic flow sheet；
Fig. 2 is the parsing side of the another kind two layer message based on vxWorks operating system that the embodiment of the present invention two provides
The schematic flow sheet of method；
Fig. 3 is the parsing side of the another kind two layer message based on vxWorks operating system that the embodiment of the present invention three provides
The schematic flow sheet of method；
Fig. 4 is the resolver of a kind of based on vxWorks operating system the two layer message that the embodiment of the present invention four provides
Structural representation.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention is illustrate only rather than full content in description, accompanying drawing.
It also should be noted that, for the ease of describe, accompanying drawing illustrate only part related to the present invention rather than
Full content.It should be mentioned that, some exemplary embodiments are described before being discussed in greater detail exemplary embodiment
Become the process or method described as flow chart.Although operations (or step) is described as the process of order by flow chart, but
It is that many of which operation can be implemented concurrently, concomitantly or simultaneously.Additionally, the order of operations can be by again
Arrange.The most described process can be terminated, it is also possible to have the additional step being not included in accompanying drawing.
Described process can correspond to method, function, code, subroutine, subprogram etc..
The analytic method of the two layer message based on vxWorks operating system that the embodiment of the present invention provides is applicable to
Situation about in vxWorks operating system, two layer message being resolved.The method can be by based on vxWorks operating system two
The resolver of layer message performs, and wherein this device can be realized by software and/or hardware, can be specifically to pass through network interface card
Realize.
Embodiment one
The analytic method of a kind of based on vxWorks operating system the two layer message that Fig. 1 provides for the embodiment of the present invention one
Schematic flow sheet.As it is shown in figure 1, the analytic method of the two layer message based on vxWorks operating system of the present embodiment offer
Specifically may include that
S110, reception two layer message.
Exemplary, in communication process, receive two layer message, optionally, described two layer message can be at encapsulation lattice
The message of two layers of encapsulation format is used in formula.Concrete, two layers of encapsulation format described here can comprise physics address layer and
Protocol massages layer, described physical address layer can use the standard media of 14 bytes to access control (Media Access
Control, MAC) head is packaged, and protocol massages layer can encapsulate required different types of protocol massages.Optionally, described
Two layer message can include 1588 precision interval clock synchronous protocol messages and general-purpose attribute virtual local network log-on protocol (GARP
VLAN Registration Protocol, GVRP) message.Wherein, GARP represents Generic Attribute
Registration Protocol, Generic Attribute Registration Protocol, vlan table shows Virtual Local Area Network, empty
Intend LAN.
S120, in described two layer message increase three-tier message packaging information, described two layer message is changed to three layers of report
Literary composition.
Exemplary, after receiving two layer message, described two layer message increases three-tier message packaging information, makes message
Three-tier message is become from original two layer message.Can be specifically between the MAC Address layer and protocol massages layer of two layer message
Increase three-tier message packaging information.Further, after described two layer message is changed to three-tier message by trawl performance side, will envelope
The described three-tier message installed is sent to protocol side.
S130, resolve described three-tier message by protocol side.
Exemplary, three-tier message encapsulation completed is sent to protocol side, then receives described three layers from protocol side
Message also resolves, concrete, and protocol side refers to the summation of each layer protocol in network, reflects a web document transfer
During, when three-tier message is after trawl performance side completes encapsulation, need described three-tier message is sent protocol side, then from institute
State and on protocol side, resolve described three-tier message, then obtain the report of different agreement at network interface card protocol side according to the agreement of different messages
Literary composition content.Further, it is possible to use the mode of socket receives described three-tier message from described protocol side.Use socket
Mode can be specifically to use the correlation function in socket to complete communication process, such as, build in data communication process
Vertical socket function communicates, and receives described three-tier message and resolve from described protocol side.
The analytic method of the two layer message based on vxWorks operating system that the embodiment of the present invention provides, by receiving
During to two layer message, two layer message increases three-tier message packaging information, after two layer message is changed to three-tier message, by three
Layer message is sent to protocol side, then uses socket mode to resolve described three-tier message from protocol side.The embodiment of the present invention
The technical scheme provided, it is provided that a kind of analytic method being applicable to all of two layer message, changes to three layers by two layer message
After message, vxWorks operating system can receive and parse through three-tier message, so, vxWorks operating system can not resolve two
Layer message just can be resolved by the form being packaged into three-tier message, and solving vxWorks operating system can not be to all
The two layer message of type carries out the technical problem resolved, and promotes the process to dissimilar two layer message of the vxWorks operating system
Ability.
Embodiment two
The present embodiment is based on above-described embodiment, it is provided that the solution of a kind of two layer message based on vxWorks operating system
Analysis method, the concrete analytic method that a kind of 1588 precision interval clock synchronous protocol messages based on vxWorks operating system are provided.Figure
The flow process of the analytic method of the 2 another kind two layer messages based on vxWorks operating system provided for the embodiment of the present invention two is shown
Being intended to, as shown in Fig. 2 shows, the analytic method of the two layer message based on vxWorks operating system that the present embodiment provides can wrap
Include:
S210, receive 1588 precision interval clock synchronous protocol messages.
Exemplary, 1588 precision interval clock synchronous protocol messages are that one is applied in network measure and control system, carry
For a kind of two layer message of operation during chronometer time pair.In communication process, receive 1588 precision interval clock synchronous protocol messages.Institute
State 1588 precision interval clock synchronous protocol messages and can comprise physics address layer and 1588 precision interval clock synchronous protocol message layers, optional
, described physical address layer can use the standard MAC header of 14 bytes to be packaged, and it is accurate that protocol massages layer can encapsulate 1588
Clock synchronization protocol message.
S220, in described 1588 precision interval clock synchronous protocol messages increase Internet protocol head packaging information, number of users
According to datagram protocol head packaging information, type identification information and timestamp information, by described 1588 precision interval clock synchronous protocol messages more
Change three-tier message into.
Exemplary, 1588 precision interval clock synchronous protocol messages increase Internet protocol (Internet
Protocol, IP) head packaging information and UDP (User Datagram Protocol, UDP) head packaging information,
Described IP head packaging information can use the standard IP head of 20 bytes to be packaged, same, and described UDP head packaging information is permissible
The standard UDP head using 8 bytes is packaged.Optionally, it is also possible in two layer message, increase type identification information, described class
Type identification information is used for distinguishing different types of message information, and, described type identification information can individually be added, it is also possible to
IP head described in multiplexing or UDP head are as type identification information.Owing to 1588 precision interval clock synchronous protocol messages are a kind of offers
The two layer message of operation during chronometer time pair, therefore, it is also desirable to increase timestamp information to provide precise time in two layer message
Information, optionally, described timestamp information can comprise the temporal information of nanosecond, concrete, can call clock_
Gettime function is beaten timestamp and is encapsulated in 1588 precision interval clock synchronous protocol messages.
Further, described IP head packaging information, described UDP head packaging information, described type identification information and described time
Between stab information may be located between described MAC Address layer and described 1588 precision interval clock synchronous protocol message layers.
S230, resolve described three-tier message by protocol side.
Exemplary, three one-tenth messages encapsulation completed are sent to protocol side, and use socket mode from described agreement
Described three-tier message is resolved on side.Further, the three-tier message obtained parsing enters according to 1588 precision interval clock synchronous protocols
Row processes, according to operation during the timestamp information realization pair carried in described three-tier message.
Concrete, after the described three-tier message that encapsulation completed is sent to protocol side, at protocol side according to 1588 agreement reports
Literary composition form and described type identification information, carry out message identification screening by socket mode, and according to driving side seal
The timestamp information of dress, can directly obtain, at protocol side, the time that described three-tier message arrives, thus obtain precise time
Information is more accurate when making pair.Optionally, described timestamp information can be nsec information, according to timestamp information
And the clock frequency of vxWorks operating system, the embodiment of the present invention provide pair time operation can be as accurate as Millisecond, even
Nanosecond.
The analytic method of the two layer message based on vxWorks operating system that the embodiment of the present invention provides, specifically provides one
Plant the analytic method of 1588 precision interval clock synchronous protocol messages based on vxWorks operating system.By receiving 1588 essences
During close clock synchronization protocol message, two layer message increases IP head packaging information, UDP head packaging information, type identification information
And timestamp information, after two layer message is changed to three-tier message, three-tier message is sent to protocol side, then from protocol side
Socket mode is used to resolve described three-tier message.The technical scheme that the embodiment of the present invention provides, can in vxWorks operating system
To realize the parsing of 1588 precision interval clock synchronous protocol messages, thus operate when realizing accurate pair under vxWorks operating system,
Solve in prior art owing to vxWorks operating system can not identify 1588 precision interval clock synchronous protocol messages, therefore can not
Realize the technical problem of operation when accurate pair.
Further, after described protocol side parses 1588 precision interval clock synchronous protocol messages, also include:
The type of described 1588 precision interval clock synchronous protocol messages is judged according to type identification information；
When described type is UDP type, described 1588 precision interval clock synchronous protocol messages are carried out UDP Message processing；
When described type is IEEE 802.3 type, described 1588 precision interval clock synchronous protocol messages are carried out IEEE
802.3 Message processing.
Exemplary, owing to 1588 precision interval clock synchronous protocol messages can comprise different types of message, for example, it is possible to
Comprise the message of UDP type, or the message of IEEE 802.3 type, therefore parse 1588 precision interval clock synchronous protocol reports
Wen Hou, in addition it is also necessary to judge the particular type of described message, then carry out the Message processing of respective type according to described type.
Embodiment three
The present embodiment is based on above-described embodiment, it is provided that the solution of a kind of two layer message based on vxWorks operating system
Analysis method, the concrete analytic method that a kind of GVRP protocol massages based on vxWorks operating system is provided.Fig. 3 is that the present invention is real
Execute the schematic flow sheet of the analytic method of the another kind two layer message based on vxWorks operating system that example three provides, as Fig. 3 shows
Shown in, the analytic method of the two layer message based on vxWorks operating system that the present embodiment provides may include that
S310, reception GVRP protocol massages.
Exemplary, GVRP protocol massages is the message of information of virtual local area network transmission service between a kind of holding equipment,
The switch dynamic knowledge information of virtual local area network being adapted to assist in network.In communication process, due to transmitting-receiving GVRP agreement report
Literary composition needs to start intervalometer, before timer expiry, receives GVRP protocol massages.Described GVRP protocol massages can comprise physics
Address layer and GVRP protocol massages layer, optionally, described physical address layer can use the standard MAC header of 14 bytes to seal
Dress, protocol massages layer can encapsulate GVRP protocol massages.
S320, described GVRP protocol massages is increased IP head packaging information, UDP head packaging information and type identification information,
Described GVRP protocol massages is changed to three-tier message.
Exemplary, GVRP protocol massages is increased IP head packaging information and UDP head packaging information, described IP head encapsulation letter
Breath can use the standard IP head of 20 bytes to be packaged, same, and described UDP head packaging information can use the mark of 8 bytes
Quasi-UDP head is packaged.Optionally, it is also possible in two layer message, increase type identification information, described type identification information is used
In distinguishing different types of message information, and, described type identification information can individually be added, it is also possible to IP head described in multiplexing
Or UDP head is as type identification information.Here, GVRP protocol massages is not specifically distinguished by we, does not differentiates between GVRP association
View message is join message or Leaveall message, directly described GVRP protocol massages is changed to three-tier message.
Further, described IP head packaging information, described UDP head packaging information and described type identification information are positioned at described
Between MAC Address layer and described GVRP protocol massages layer.
S330, resolve described three-tier message by protocol side.
Exemplary, three-tier message encapsulation completed is sent to protocol side, and uses socket mode from described agreement
Described three-tier message is resolved on side.Further, the three-tier message obtained parsing processes according to GVRP agreement.
The analytic method of the two layer message based on vxWorks operating system that the embodiment of the present invention provides, specifically provides one
Plant the analytic method of GVRP protocol massages based on vxWorks operating system.By when receiving GVRP protocol massages, two
Layer message increases IP head packaging information, UDP head packaging information and type identification information, two layer message is changed to three-tier message
After, three-tier message is sent to protocol side, then uses socket mode to resolve described three-tier message from protocol side.The present invention
The technical scheme that embodiment provides, can realize the parsing of GVRP protocol massages, solve existing skill in vxWorks operating system
Art can not identify the technical problem of GVRP protocol massages due to vxWorks operating system, promote vxWorks operating system and process
The ability of dissimilar two layer message.
Embodiment four
The parsing dress of a kind of and two layer message based on vxWorks operating system that Fig. 4 provides for the embodiment of the present invention four
The structural representation put.The present embodiment is applicable to situation about resolving two layer message in vxWorks operating system, should
Device can be realized by software and/or hardware.As shown in Figure 4, based on vxWorks operating system the two of the present embodiment offer
The resolver of layer message specifically may include that receiver module 401, package module 402 and parsing module 403.
Wherein, receiver module 401, user receives two layer message；Package module 402, for at described two layer message
Middle increase three-tier message packaging information, changes to three-tier message by described two layer message；Parsing module 403, is used for passing through agreement
Side resolves described three-tier message.
Optionally, described package module specifically for increasing IP head packaging information and the encapsulation of UDP head to described two layer message
Information.
Optionally, described package module is specifically for being 1588 precision interval clock synchronous protocol messages when described two layer message
Time, described 1588 precision interval clock synchronous protocol messages increase type identification information and timestamp information.
Optionally, described two layer message includes MAC Address layer and 1588 precision interval clock synchronous protocol message layers, described IP head
Packaging information, described UDP head packaging information, described type identification information and timestamp information are positioned at described MAC Address layer and institute
State between 1588 precision interval clock synchronous protocol message layers.
Optionally, described package module is specifically for being general-purpose attribute virtual local network log-on protocol when described two layer message
During message, increase type identification information at described general-purpose attribute virtual local network log-on protocol message.
Optionally, described two layer message includes MAC Address layer and general-purpose attribute virtual local network log-on protocol message layer, institute
Stating IP head packaging information, described UDP head packaging information and described type identification information, to be positioned at described MAC Address layer general with described
Between attribute VLAN protocol massages layer.
The resolver of the two layer message based on vxWorks operating system that the embodiment of the present invention four provides, with the present invention
The analytic method of the two layer message based on vxWorks operating system that any embodiment is provided belongs to same inventive concept, can
Perform the analytic method of the two layer message based on vxWorks operating system that any embodiment of the present invention is provided, possess execution
The corresponding functional module of analytic method of two layer message based on vxWorks operating system and beneficial effect.Not at the present embodiment
In the ins and outs of detailed description, can be found in two layers of report based on vxWorks operating system that any embodiment of the present invention provides
The analytic method of literary composition.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. the analytic method of a two layer message based on vxWorks operating system, it is characterised in that including:
Receive two layer message；
In described two layer message, increase three-tier message packaging information, described two layer message is changed to three-tier message；
Described three-tier message is resolved by protocol side.
Method the most according to claim 1, it is characterised in that described increase three-tier message packaging information in two layer message
Including:
Described two layer message is increased Internet protocol head packaging information and UDP head packaging information.
Method the most according to claim 2, it is characterised in that when described two layer message is 1588 precision interval clock synchronous protocols
During message, described two layer message increases three-tier message packaging information and also includes:
Type identification information and timestamp information is increased in described 1588 precision interval clock synchronous protocol messages.
Method the most according to claim 3, it is characterised in that described two layer message include media access control address layer and
1588 precision interval clock synchronous protocol message layers, described Internet protocol head packaging information, described UDP head encapsulate
It is accurate with described 1588 that information, described type identification information and described timestamp information are positioned at described media access control address layer
Between clock synchronization protocol message layer.
Method the most according to claim 2, it is characterised in that when described two layer message is general-purpose attribute VLAN note
During volume protocol massages, described two layer message increases three-tier message packaging information and also includes:
Type identification information is increased in described general-purpose attribute virtual local network log-on protocol message.
Method the most according to claim 5, it is characterised in that described two layer message include media access control address layer and
General-purpose attribute virtual local network log-on protocol message layer, described Internet protocol head packaging information, described UDP
Head packaging information and described type identification information are positioned at described media access control address layer and described general-purpose attribute virtual local area
Between fidonetFido message layer.
7. the resolver of a two layer message based on vxWorks operating system, it is characterised in that including:
Receiver module, user receives two layer message；
Package module, for increasing three-tier message packaging information in described two layer message, changes to three by described two layer message
Layer message；
Parsing module, resolves described three-tier message by protocol side.
Device the most according to claim 7, it is characterised in that described package module is specifically for increasing described two layer message
Add Internet protocol head packaging information and UDP head packaging information.
Device the most according to claim 8, it is characterised in that described package module is specifically for when described two layer message being
During 1588 precision interval clock synchronous protocol message, in described 1588 precision interval clock synchronous protocol messages increase type identification information and
Timestamp information.
Device the most according to claim 9, it is characterised in that described two layer message includes media access control address layer
With 1588 precision interval clock synchronous protocol message layers, described Internet protocol head packaging information, described UDP head seal
When dress information, described type identification information and timestamp information are positioned at described media access control address layer with described 1588 precision
Between clock synchronous protocol message layer.
11. devices according to claim 8, it is characterised in that described package module is specifically for when described two layer message
During for general-purpose attribute virtual local network log-on protocol message, increase in described general-purpose attribute virtual local network log-on protocol message
Type identification information.
12. devices according to claim 11, it is characterised in that described two layer message includes media access control address layer
With general-purpose attribute virtual local network log-on protocol message layer, described Internet protocol head packaging information, described User Datagram Protocol
View head packaging information and described type identification information are positioned at described media access control address layer and described general-purpose attribute virtual office
Between the fidonetFido message layer of territory.
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| CN111147176A (en) * | 2019-12-04 | 2020-05-12 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision time synchronization system based on IEEE1588 protocol |
| CN112583775A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Method, device and network equipment for processing message |
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2016
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| CN112583775A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Method, device and network equipment for processing message |
| CN112583775B (en) * | 2019-09-30 | 2024-04-12 | 华为技术有限公司 | Method, device and network equipment for processing message |
| CN111147176A (en) * | 2019-12-04 | 2020-05-12 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision time synchronization system based on IEEE1588 protocol |
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