CN107294869A - A kind of method and system of Microsoft Loopback Adapter message crawl - Google Patents
A kind of method and system of Microsoft Loopback Adapter message crawl Download PDFInfo
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- CN107294869A CN107294869A CN201710481565.XA CN201710481565A CN107294869A CN 107294869 A CN107294869 A CN 107294869A CN 201710481565 A CN201710481565 A CN 201710481565A CN 107294869 A CN107294869 A CN 107294869A
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- message
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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
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/803—Application aware
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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
- H04L47/2475—Traffic characterised by specific attributes, e.g. priority or QoS for supporting traffic characterised by the type of applications
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a kind of method of the Microsoft Loopback Adapter message crawl based on datum plane development kit, the message of the Microsoft Loopback Adapter of datum plane development kit is copied to virtual network interface by methods described including virtual switch by the traffic mirroring module of the virtual switch；The virtual network interface sends the message to Linux main frames from the virtual switch；The Linux main frames capture the message from the virtual network interface；Method provided by the present invention, because virtual network interface connects Linux main frames, Linux kernel protocol stack can be passed through by flowing through the message of virtual network interface, the message can now be captured, because the message being crawled is the mirror image message of Microsoft Loopback Adapter, its content is identical, so message of the message equivalent to crawl Microsoft Loopback Adapter of crawl virtual network interface；The invention also discloses a kind of system based on above-mentioned Microsoft Loopback Adapter message grasping means, equally with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to the method for network communication technology field, more particularly to a kind of crawl of Microsoft Loopback Adapter message；The present invention
Further relate to a kind of system of Microsoft Loopback Adapter message crawl.
Background technology
Currently, with the development of the network communications technology, have increasing business be by Imaginary Mechanism into network on
Run, for example cloud computing, current cloud calculation service be typically by Imaginary Mechanism into network on run.
But virtual machine network limited performance sends and receives the time in very long message now, due to that regular can go out
Existing message is interrupted, the switching of front and rear message, User space kernel state data copy etc., and the performance comparision of virtual machine network is low.For
Improve the performance of virtual machine network, be typically now using datum plane development kit by the way of virtual switch is combined
To lift the Microsoft Loopback Adapter that each virtual machine passes through datum plane development kit in the performance of virtual machine network, i.e. virtual machine network
Connect virtual switch, and by virtual switch and other-end communicate etc..
In the prior art at that time, it is impossible to which the message of the Microsoft Loopback Adapter of datum plane development kit is captured, i.e., without
Method directly captures the flow of this kind of Microsoft Loopback Adapter, thus can not carry out traffic monitoring and analysis etc. to the virtual machine.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of Microsoft Loopback Adapter report based on datum plane development kit
The method of text crawl, can capture the message of this kind of Microsoft Loopback Adapter；It is a kind of based on data another object of the present invention is to provide
The system of the Microsoft Loopback Adapter message crawl of plane development kit, can equally capture the message of this kind of Microsoft Loopback Adapter.
In order to solve the above-mentioned technical problem, the invention provides a kind of Microsoft Loopback Adapter report based on datum plane development kit
The method of text crawl, methods described includes：
Virtual switch is by flow of the message of the Microsoft Loopback Adapter of datum plane development kit by the virtual switch
Mirror module copies to virtual network interface；
The virtual network interface sends the message to Linux main frames from the virtual switch；
The Linux main frames capture the message from the virtual network interface.
Optionally, the Linux main frames capture the message from the virtual network interface and included：
The Linux main frames capture the message by TcpDump modules from the virtual network interface.
Optionally, the message is sent to Linux main frames and included by the virtual network interface from the virtual switch：
The virtual network interface sends the bridge of the message from the virtual switch to the Linux main frames,
The bridge is used to from the Microsoft Loopback Adapter send the message to network interface card.
Present invention also offers a kind of system of the Microsoft Loopback Adapter message crawl based on datum plane development kit, the system
System includes virtual machine, the Microsoft Loopback Adapter of datum plane development kit, virtual switch, virtual network interface, Linux main frames；
The virtual machine connects the virtual switch by the Microsoft Loopback Adapter of the datum plane development kit；
The virtual switch is by traffic mirroring module by the message of the Microsoft Loopback Adapter of the datum plane development kit
Copy to the virtual network interface；
The virtual network interface connects the virtual switch and the Linux main frames, so as to the Linux main frames from
The virtual network interface captures the message.
Optionally, the Linux main frames are specially from the virtual network interface crawl message：
The Linux main frames capture the message by TcpDump modules from the virtual network interface.
Optionally, the virtual network interface connects the bridge and the Linux main frames, the net of the virtual switch
Bridging connects the Microsoft Loopback Adapter and network interface card.
Optionally, the network interface card is physical network card, for connecting physical terminal.
Method provided by the present invention, first passes through virtual switch by the message of the Microsoft Loopback Adapter of datum plane development kit
Traffic mirroring module copy to virtual network interface, due to virtual network interface connect Linux main frames, flow through virtual network and connect
The message of mouth can pass through Linux kernel protocol stack, now the message can be captured, because the message being crawled is virtual
The mirror image message of network interface card, its content is identical, so message of the message equivalent to crawl Microsoft Loopback Adapter of crawl virtual network interface.
Present invention also offers a kind of Microsoft Loopback Adapter message grasping system of application above method, equally with above-mentioned beneficial effect,
This is repeated no more.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The accompanying drawing used required in technology description is briefly described, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of flow chart for Microsoft Loopback Adapter message grasping means that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is a kind of structured flowchart of Microsoft Loopback Adapter message grasping system provided in an embodiment of the present invention.
Embodiment
The core of the present invention is to provide a kind of method of the Microsoft Loopback Adapter message crawl based on datum plane development kit,
In the prior art, in order to improve the performance of virtual machine network, generally select and use datum plane development kit and virtual switch
The mode being combined lifts the performance of virtual machine network, because datum plane development kit can greatly improve data processing
Performance and handling capacity, improve the operating efficiency of virtual machine network.But conventionally, as datum plane development kit
Message can be transmitted directly to other network interface cards by Microsoft Loopback Adapter and without Linux main frames, i.e., datum plane development kit is virtual
The flow of network interface card is without going past Linux kernel protocol stack.The message produced by the Microsoft Loopback Adapter can not now be captured, this
Sample just can not carry out traffic monitoring and analysis etc. to the virtual machine.
And the method for Microsoft Loopback Adapter message crawl provided by the present invention, first by the Microsoft Loopback Adapter of datum plane development kit
Message virtual network interface is copied to by the traffic mirroring module of virtual switch, due to virtual network interface connection
Linux main frames, Linux kernel protocol stack can be passed through by flowing through the message of virtual network interface, and now the message can be grabbed
Take, because the message being crawled is the mirror image message of Microsoft Loopback Adapter, its content is identical, so the message of crawl virtual network interface
Equivalent to the message of crawl Microsoft Loopback Adapter.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It refer to Fig. 1, a kind of flow chart for Microsoft Loopback Adapter message grasping means that Fig. 1 is provided by the embodiment of the present invention,
This method includes：
S101：The message of the Microsoft Loopback Adapter of datum plane development kit is passed through the virtual switch by virtual switch
Traffic mirroring module copies to virtual network interface.
In this step, the Microsoft Loopback Adapter of datum plane development kit is the interface of virtual machine and virtual switch, simultaneously
It is also the interface between virtual machine and extraneous transmission medium.The Microsoft Loopback Adapter with transfer of virtual machine to other main frames except that can be sent out
The data sent, can also receive the data that virtual machine receives the transmission of other main frames, that is, be related to the transmission and reception of data, can be with
Data are packaged and sealed off, data are encoded and are decoded etc., its concrete function is not specifically limited herein.
Datum plane development kit is based primarily upon linux system operation, can be great for quickly to processing data packets
Improve data processing performance and handling capacity.When the Microsoft Loopback Adapter of datum plane development kit is receiving packet, it will not pass through
Interrupt notification central processing unit, but packet is directly stored in internal memory, deliver application layer software and set is developed by datum plane
The interface that part is provided directly is handled.In other words, the message of the Microsoft Loopback Adapter of datum plane development kit is without going past Linux
Kernel protocol stack.
In this step, the message is network exchange and the data cell of transmission, i.e., the number to be sent in once transmitting
According to block.Message is additionally may included in the letter added in data encapsulation process except the complete data message including that will send
Section is ceased, the message segment can be password of the packet etc..
The traffic mirroring module is an application module of virtual switch, can provide traffic mirroring function, the work(
The message for the network interface card that can will flow through connection virtual switch copies to the network interface for connecting the virtual switch.Above-mentioned net
Card can be Microsoft Loopback Adapter or physical network card；Same network interface can be virtual network interface or physics
Network interface, is not specifically limited herein.
S102：The virtual network interface sends the message to Linux main frames from the virtual switch.
In this step, virtual network interface is by the empty virtual network virtual by software of Linux main frames in fact
Interface, and the virtual network interface are the Linux main frames network interfaces of oneself, flow through the message of the virtual network interface and can flow
Through Linux kernel protocol stack.
In this step, the effect connection virtual switch and Linux main frames, more specifically, the void of virtual network interface
Intending network interface can be connected on the bridge of the virtual switch, and can be to connect each by bridge in virtual switch
The network interface card of network.Certainly, multiple network interface cards can be connected by multiple bridges in virtual switch, now want to obtain some tool
The message of the Microsoft Loopback Adapter of the datum plane development kit of body, it is necessary to virtual network interface is connected to and opened with the datum plane
On the bridge of the Microsoft Loopback Adapter connection of hair net part.
S103：The Linux main frames capture the message from the virtual network interface.
Because the message of the Microsoft Loopback Adapter of datum plane development kit can be copied to virtual network interface, and this is replicated
Message Linux kernel protocol stack can be flowed through by virtual network interface.In this step, can be by Linux main frames from institute
State virtual network interface and capture the message, thus can to connect the datum plane development kit Microsoft Loopback Adapter it is virtual
Machine carries out traffic monitoring and analysis etc..
More specifically, Linux main frames from the virtual network interface can capture the message by TcpDump modules.
Above-mentioned TcpDump modules are an application modules of Linux main frames, and the module is that powerful network data in Linux main frames is adopted
One of collection instrument, the module can be intercepted and captured according to the definition of user to the packet on network.And normal conditions exist,
During using Linux main frames as server, TcpDump modules crawl message is typically used, certainly in embodiments of the present invention,
The message for flowing through virtual network interface can also be captured by other modules, be not specifically limited herein, depending on specific
Depending on situation.
A kind of method for Microsoft Loopback Adapter message crawl that the embodiment of the present invention is provided, datum plane can be developed first cover
The message of the Microsoft Loopback Adapter of part copies to virtual network interface by the traffic mirroring module of virtual switch, due to virtual network
Interface connects Linux main frames, flows through the message of virtual network interface and can pass through Linux kernel protocol stack, now can be to the report
Text is captured, and because the message being crawled is the mirror image message of Microsoft Loopback Adapter, its content is identical, so crawl virtual network connects
Message of the message of mouth equivalent to crawl Microsoft Loopback Adapter.
Below to a kind of Microsoft Loopback Adapter message crawl based on datum plane development kit provided in an embodiment of the present invention
System is introduced, the message grasping system of Microsoft Loopback Adapter described below and the message crawl side of above-described Microsoft Loopback Adapter
Method can be mutually to should refer to.
Fig. 2 is refer to, Fig. 2 is a kind of structured flowchart of Microsoft Loopback Adapter message grasping system provided in an embodiment of the present invention.
Reference picture 2, Microsoft Loopback Adapter message grasping system can include virtual machine 100, datum plane development kit it is virtual
Network interface card 200, virtual switch 300, virtual network interface 400, Linux main frames 500；
The virtual machine 100 connects the virtual switch by the Microsoft Loopback Adapter 200 of the datum plane development kit
300。
In embodiments of the present invention, the Microsoft Loopback Adapter 200 of datum plane development kit is virtual machine 100 and virtual switch
The interface of machine 300, while being also the interface between virtual machine 100 and extraneous transmission medium.The Microsoft Loopback Adapter 200 is except can be with
The data that transfer of virtual machine 100 is sent to other main frames, can also receive the data that virtual machine 100 receives the transmission of other main frames,
I.e. the Microsoft Loopback Adapter 200 is related to the transmission and reception of data, data can also be packaged and sealed off, data are encoded
With decoding etc., its concrete function is not specifically limited herein.
Datum plane development kit is based primarily upon linux system operation, can be great for quickly to processing data packets
Improve data processing performance and handling capacity.When the Microsoft Loopback Adapter 200 of datum plane development kit is receiving packet, Bu Huitong
Interrupt notification central processing unit is crossed, but packet is directly stored in internal memory, application layer software is delivered and is developed by datum plane
The interface that external member is provided directly is handled.In other words, the message of the Microsoft Loopback Adapter 200 of datum plane development kit without going past
Linux kernel protocol stack.
The message is network exchange and the data cell of transmission, i.e., the data block to be sent in once transmitting.Message is removed
Include the complete data message that will be sent, be additionally may included in the message segment added in data encapsulation process, the information
Section can be password of the packet etc..
The virtual switch 300 is by traffic mirroring module by the Microsoft Loopback Adapter 200 of the datum plane development kit
Message copy to the virtual network interface 400.
In the present system, the traffic mirroring module is an application module of virtual switch 300, can provide flow
Image feature, the function can will flow through connection virtual switch 300 network interface card message copy to connection the virtual switch
300 network interface.Above-mentioned network interface card can be Microsoft Loopback Adapter or physical network card；Same network interface can be virtual
Network interface or physical network interface, are not specifically limited herein.
Microsoft Loopback Adapter 200 of the bridge except connecting datum plane development kit in virtual switch 300, can also be connected
One physical network card 600, the physical network card 600 can connect a physical terminal 700, to realize connection Microsoft Loopback Adapter 200
Communication between virtual machine 100 and the physical terminal 700.
The virtual network interface 400 connects the virtual switch 300 and the Linux main frames 500, so as to described
Linux main frames 500 capture the message from the virtual network interface 400.
In the present system, the effect connection virtual switch 300 and Linux main frames 500 of virtual network interface 400, more
Body, the virtual network interface 400 can be connected on the bridge of the virtual switch 300, and can in virtual switch 300
To be the network interface card that each network is connected by bridge.Certainly, multiple nets can be connected by multiple bridges in virtual switch 300
Card, now wants to obtain the message of the Microsoft Loopback Adapter 200 of some specific datum plane development kit, it is necessary to by virtual network
Interface 400 is connected on the bridge being connected with the Microsoft Loopback Adapter 200 of the datum plane development kit.
Because the message of the Microsoft Loopback Adapter 200 of datum plane development kit can be copied to virtual network interface 400, and it is somebody's turn to do
The message being replicated can flow through Linux kernel protocol stack by virtual network interface 400.In systems, Linux master can be passed through
Machine 500 captures the message from the virtual network interface 400, thus can be to connecting the void of the datum plane development kit
The virtual machine 100 for intending network interface card 200 carries out traffic monitoring and analysis etc..
More specifically, Linux main frames 500 can be captured described by TcpDump modules from the virtual network interface 400
Message.Above-mentioned TcpDump modules are an application modules of Linux main frames 500, and the module is powerful in Linux main frames 500
One of network data acquisition instrument, the module can be intercepted and captured according to the definition of user to the packet on network.And lead to
Reason condition exists, when using Linux main frames 500 as server, typically uses TcpDump modules crawl message, exists certainly
In the embodiment of the present invention, the message for flowing through virtual network interface 400 can also be captured by other modules, do not done herein
It is specific to limit, depending on particular situation.
A kind of system for the message of Microsoft Loopback Adapter 200 crawl that the embodiment of the present invention is provided, first can open datum plane
The message of the Microsoft Loopback Adapter 200 of hair net part copies to virtual network interface by the traffic mirroring module of virtual switch 300
400, due to the connection Linux of virtual network interface 400 main frames 500, Linux can be passed through by flowing through the message of virtual network interface 400
Kernel protocol stack, can now be captured to the message, because the message being crawled is the mirror image message of Microsoft Loopback Adapter 200,
Its content is identical, so message of the message equivalent to crawl Microsoft Loopback Adapter 200 of crawl virtual network interface 400.
The embodiment of each in this specification is described by the way of progressive, what each embodiment was stressed be with it is other
Between the difference of embodiment, each embodiment same or similar part mutually referring to.For being disclosed in embodiment
For system, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Above to a kind of method of the Microsoft Loopback Adapter message crawl based on datum plane development kit provided by the present invention
And system is described in detail.Specific case used herein is explained the principle and embodiment of the present invention
State, the explanation of above example is only intended to the method and its core concept for helping to understand the present invention.It should be pointed out that for this skill
For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, some change can also be carried out to the present invention
Enter and modify, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (7)
1. a kind of method of the Microsoft Loopback Adapter message crawl based on datum plane development kit, it is characterised in that methods described bag
Include：
Virtual switch is by traffic mirroring of the message of the Microsoft Loopback Adapter of datum plane development kit by the virtual switch
Module copies to virtual network interface；
The virtual network interface sends the message to Linux main frames from the virtual switch；
The Linux main frames capture the message from the virtual network interface.
2. according to the method described in claim 1, it is characterised in that the Linux main frames are captured from the virtual network interface
The message includes：
The Linux main frames capture the message by TcpDump modules from the virtual network interface.
3. method according to claim 2, it is characterised in that the virtual network interface is by the message from described virtual
Interchanger, which is sent to Linux main frames, to be included：
The virtual network interface sends the bridge of the message from the virtual switch to the Linux main frames, described
Bridge is used to from the Microsoft Loopback Adapter send the message to network interface card.
4. a kind of system of the Microsoft Loopback Adapter message crawl based on datum plane development kit, it is characterised in that the system bag
Include virtual machine, the Microsoft Loopback Adapter of datum plane development kit, virtual switch, virtual network interface, Linux main frames；
The virtual machine connects the virtual switch by the Microsoft Loopback Adapter of the datum plane development kit；
The virtual switch is replicated the message of the Microsoft Loopback Adapter of the datum plane development kit by traffic mirroring module
To the virtual network interface；
The virtual network interface connects the virtual switch and the Linux main frames, so that the Linux main frames are from described
Virtual network interface captures the message.
5. system according to claim 4, it is characterised in that the Linux main frames are by TcpDump modules from the void
Intend network interface and capture the message.
6. system according to claim 5, it is characterised in that the virtual network interface connects the virtual switch
Bridge and the Linux main frames, the bridge connect the Microsoft Loopback Adapter and network interface card.
7. system according to claim 6, it is characterised in that the network interface card is physical network card, for connecting physical terminal.
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| WO2021164262A1 (en) * | 2020-02-18 | 2021-08-26 | 平安科技（深圳）有限公司 | Traffic collection method and apparatus for virtual network, and computer device and storage medium |
| CN112925581A (en) * | 2021-02-22 | 2021-06-08 | 百果园技术(新加坡)有限公司 | Method and device for starting DPDK container and electronic equipment |
| CN112995009A (en) * | 2021-03-10 | 2021-06-18 | 山石网科通信技术股份有限公司 | Method and device for enabling virtual machine to mirror image flow of local virtualization network |
| CN112995009B (en) * | 2021-03-10 | 2023-04-07 | 山石网科通信技术股份有限公司 | Method and device for enabling virtual machine to mirror image flow of local virtualization network |
| CN114640689A (en) * | 2022-03-31 | 2022-06-17 | 西安超越申泰信息科技有限公司 | Proxmox VE-based network mirror image implementation method and system |
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