CN105049288B - The high integration Ethernet Data Acquisition System and method accessed based on PPPoE network - Google Patents
The high integration Ethernet Data Acquisition System and method accessed based on PPPoE network Download PDFInfo
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- CN105049288B CN105049288B CN201510452306.5A CN201510452306A CN105049288B CN 105049288 B CN105049288 B CN 105049288B CN 201510452306 A CN201510452306 A CN 201510452306A CN 105049288 B CN105049288 B CN 105049288B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
- H04L12/2859—Point-to-point connection between the data network and the subscribers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Mining & Analysis (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to a kind of high integration Ethernet Data Acquisition System accessed based on PPPoE network and method.The system includes an acquisition server, using the (SuSE) Linux OS supported PPPoE network access, support multi-user's routing function, and provided with following module：Acquisition module, for obtaining acquisition tasks, initiates HTTP request, and receive and handle the data of far-end server return；Dialing disconnects module, for disconnecting PPPoE circuits；Dial-up connection module, dial-up connection and Configuration network route for PPPoE circuits；Dial management module, accesses for managing a plurality of PPPoE circuits and performs the broken string of PPPoE circuits, attended operation；IP management modules, for being managed to the IP that collection is used, realize IP registrations and IP inquiries.The present invention can effectively break through IP limitations, increase bandwidth at low cost, so as to improve internet data collecting efficiency.
Description
Technical field
The invention belongs to web crawlers correlative technology field, it is related to a kind of crawler system accessed based on PPPoE network, tool
Body is related to a kind of high integration Ethernet Data Acquisition System accessed based on PPPoE network and method.
Background technology
The booming extreme enrichment for bringing network data of internet and mobile Internet, enters automatically from network
Row data acquisition-web crawlers has important value.At present common internet data include generic web page, it is blog, forum, micro-
Win.Collection to these data typically obtains corresponding data by sending the network request bag of analog subscriber operation, these
Data are again through Context resolution, and drawing-out structure information reaches the demand of collection.
The efficiency of acquisition system depends greatly on page download speed, and page download speed is by Netowrk tape
The friendly visit interval that wide, server allows is determined.Specifically, two subject matters that acquisition system faces in page download
It is：One is the Bandwidth-Constrained of collection；Two be that the collection available IP numbers of client are limited.Disclosed internet datas most at present are adopted
Collecting system be simple realization crawl data function, system for how low cost increase bandwidth and break through IP limit
System does not all embody well, for the data acquisition application measured on a small scale, lacks in open scope and effectively holds
Continue stable acquisition system scheme.
The content of the invention
The invention provides a kind of high integration Ethernet Data Acquisition System accessed based on PPPoE network and method, Neng Gouyou
Effect breaks through IP limitations, increases bandwidth at low cost, while space resources can be saved.PPPoE is point-to-point
Ppp protocol is integrated with protocol over ethernet abbreviation, agreement, the body that traditional ethernet can not be provided is realized
The functions such as part checking, encryption and compression, are that common Virtual network operator provides network insertion to terminal personal user at present
Upper fidonetFido.
The high integration of the present invention refers to that single machine control can be used, which to access a plurality of circuit, to be acquired, acquisition system
Can accurately control data bag network send outlet, so as to reach the effect for making full use of line resource.The system has structure
Make the characteristics of simple, with low cost, collection is stable.The internet data of the present invention refers to the number that can be had access to by surfing the Net
According to, including the website data that various anonymous and non-anonymous can have access to, the network data of multiple business type and a variety of
Network data that user accesses etc. is provided using different upper layer application protocols.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of high integration Ethernet Data Acquisition System accessed based on PPPoE network, is specifically included：
Environment division：For providing hardware supported for acquisition system.Computer hardware (acquisition server) will possess one piece
Or polylith network interface card, to reach that unit manages the high integration target of a plurality of circuit.
Network portion：PPPoE network access service (such as family expenses ADSL broadbands) is handled at Virtual network operator, drawing in the net line enters
Family；And corresponding account and password are opened, for network insertion.
Software section, including
(1) operating system：Support PPPoE accesses, support the Linux system of multi-user's routing function.
(2) acquisition module：For obtaining acquisition tasks, data harvesting request is initiated to far-end server, receives and handles
The web data that far-end server is returned.
(3) dialing disconnects module：Using PPPoE network interface name as parameter, corresponding PPPoE connections are closed (disconnected
Net).
(4) dial-up connection module：2 actions are completed, one is PPPoE lineDials, so that system can surf the Net；Two be to match somebody with somebody
Put network route, it is ensured that the web-page requests of acquisition system can be sent from different network interfaces.The form of routing table is<
User's mark->PPPoE interfaces>, here user's mark refer to the user name or ID (https of system://
En.wikipedia.org/wiki/User_identifier, also referred to as UID) or user where user's group name or user
ID (the https of group://en.wikipedia.org/wiki/Group_identifier, also referred to as GID), according to collection during route
User's mark of process sends collection request from corresponding PPPoE interfaces.
(5) dial management module：For managing a plurality of PPPoE circuits access, it is responsible for performing the operation such as broken string, connection, is
The encapsulation of module, dial-up connection module is disconnected to dialing.
(6) IP management modules：The module is responsible for being managed the IP that collection is used.2 kinds of basic operations are provided, one is IP
Registration, that is, receive registration request, registration request can come from dial-up connection module or acquisition module, and the data of record include<
IP, source module, IP description informations>；Two be IP inquiries, receives IP, returns to the whether available information of IP, and record IP inquiries are dynamic
Make, be that follow-up IP inquiries are referred to.
A kind of to gather implementation method based on the high integration network that PPPoE network is accessed, step includes：
1) it is the multiple users of system creation, uses the useradd orders under linux；
2) PPPoE configurations are carried out, PPPoE dial-up profile is set, is easy to system to be broken, the control of dial-up connection
System；Each the corresponding network insertion configuration of network interface is using a single dial-up profile, and path is typically in/etc/ppp/
Under peers/；
3) acquisition module is started with different user mark, system can determine that collection request bag sends institute based on user identity
The PPPoE network interface used；
4) acquisition module is sent after data harvesting request, the data for obtaining far-end server return and progress to collection target
Processing；
5) repeat step 4) untill acquisition tasks execution terminates.
Due to gathering the limitation of website, step 4) replacing IP may be needed to continue collection when performing acquisition tasks,
Changing IP has following 2 kinds of executive modes：
(1) regularly replace.The management module that dials timing carries out the disconnection and PPPoE dial-up connections operation of PPPoE circuits,
And coordinating IP management modules to be inquired about, it is ensured that the IP address that dialing management module is obtained is available IP address.Above PPPoE lines
The disconnection and PPPoE dial-up connections on road may be repeatedly.Under this mode, dialing management module need not be with collection mould
Block is interacted.
(2) changed as needed.Acquisition module calls dialing management module to carry out the disconnected of PPPoE circuits as needed
Open and PPPoE dial-up connections operation, and coordinate the IP locating functions of IP management modules, it is ensured that the IP that dialing management module is obtained
Address can use.Under this mode, dialing management module needs to interact with acquisition module, and transmitting line disconnects and dialing connects
Connect order.
The dialing management module of the present invention can be a single process, can also be embedded into acquisition module.For
The executive mode that 2nd kind of IP is changed, acquisition module allows for being communicated with dialing management module, and acquisition module is sent to dialing
The content of management module includes broken string instruction, dial instruction；The content that dialing management module is sent to acquisition module can include
PPPoE dialing produce IP, dialup ip whether can with etc. information.If acquisition module with dialing management module not it is same enter
Journey, relies on the interprocess communication function of operating system to complete 2 intermodule communications.
The IP management modules of the present invention can be a single process, can also be embedded into acquisition module or dialing pipe
Manage in module.Acquisition module allows for same IP management modules and communicated, registration and inquiry for carrying out dialup ip.
Compared with prior art, the present invention can effectively break through IP limitations, increase bandwidth at low cost, while can save
Space resources.Specifically, it is to carry out IP replacings by the management module that dials to break through IP limitations；PPPoE network access is (general common
Family expenses ADSL online) can reduce voluntarily build acquisition system cost；The acquisition scheme of many network interface cards of unit may insure together
The a plurality of circuits of Shi Liyong are acquired.
Brief description of the drawings
Fig. 1 is IP management module operation logic schematic diagrames.
Fig. 2 is the collecting flowchart schematic diagram of acquisition module control dialing.
Fig. 3 is that acquisition module calls dialing invention manages module diagram.
Fig. 4 is the collecting flowchart schematic diagram that dialing management module periodically dials.
Fig. 5 is dialing invention manages module diagram.
Embodiment
Below by specific embodiments and the drawings, the present invention will be further described.
Hardware prepares：One server equipped with 1 piece of PCI-E gigabit, four mouthfuls of RJ45 network interface cards, having 4 network interfaces is used to adopt
Collection.
Network insertion prepares：In order to make full use of the acquisition capacity of 4 network interfaces, 4 lines are connect at Virtual network operator
Road, and open 4 accounts.
Software program prepares：
(1) 4 linux system accounts are created, it is assumed that be respectively user1, user2, user3, user4.Building account can
With using useradd orders, an order example is：
Useradd user1# add user1 accounts
(2) PPPoE dial-up profile is created
4 dial-up profiles are set up under/etc/ppp/peers/, dsl-ppp1, dsl-ppp2 are named as respectively,
dsl-ppp3,dsl-ppp4；
Configuration file adds a line unit { X } configuration, for specifying the newly-built PPP network interfaces of system after dial-up success
Title, link name form is PPP+ [numeral], and configuration item specifies [numeral] to be { X }, and network interface title can pass through
Ifconfig is viewed.If configured without unit { X }, [numeral] after dial-up success is decided in its sole discretion by system.
(3) dialing disconnects module.The PPPoE dialing ON- and OFF- commands of calling system：
Poff [configuration filename], wherein [configuration filename] is operationally transmitted as parameter by dialing management module.
In this example, dsl-ppp1, dsl-ppp2, dsl-ppp3, dsl-ppp4 that configuration filename corresponds in step (2).
(4) dial-up connection module.2 partial functions are completed, one is PPPoE dial-up connections, and two be configuration system route.
(a) PPPoE dial-up connections order
Pon [configuration filename], wherein [configuration filename] is operationally transmitted as parameter by dialing management module.
Dsl-ppp1, dsl-ppp2, dsl-ppp3, dsl-ppp4 that [configuration filename] of this example corresponds in step (2).
(b) configuration system route
Configured using the iptables programs under linux, as shown in table 1.
The configuration system route of table 1
Mentioned order can add a route entry into System Routing Table, specify the process created by the entitled user1 of user
The request bag of transmission is gone out from ppp1 ports, can similarly specify the entitled user2 of user, user3, the process that user4 is created
Request bag is gone out port from ppp2, ppp3, ppp4.Acquisition module is started using different user names on startup, so as to
Request bag is shunted.In order to manage conveniently, the route table items of design are as shown in table 2.
The sample routing table of table 2
| The user name of collection process | PPPoE network interface |
| user1 | ppp1 |
| user2 | ppp2 |
| user3 | ppp3 |
| user4 | ppp4 |
System routing configuration is completed by performing mentioned order, is encapsulated as shell script, and parameter [configures text for PPPoE's
Part name].By parameter, shell script can only add specific user name->The routing configuration of PPPoE interfaces.Such as [match somebody with somebody
Put filename] it is dsl-ppp1, script adds user1- into system>Ppp1 route entry.
(5) IP management modules.The message and returning result that IP management modules are received are as shown in table 3.
The message that table 3IP management modules are received
The registration of IP management module essential record clients, inquiry operation, find invalid IP therein, and invalid IP is arrived in storage
Set is used for inquiry operation.Invalid IP closes strategy decision by collection target, to judging that the whether effective information of IP all may be used
To be passed to IP management modules as message field, (table 2 is only used as an example, and actual field can interpolate that IP is comprising all
No available information).IP management module operation logics are as shown in Figure 1.
One example：Website can close specific IP a period of time, and the IP can be inserted into invalid IP collection after registration operation
Close, if the now client query IP states, return to down state.Can be regularly to closing time-out inside IP management modules
IP cleared up, will close time-out IP from invalid IP set in remove, now inquire about the IP states, then return can use shape
State.
Illustrate 2 kinds of capture program methods of operation of the present invention below.
Mode 1：Dial-up operation is carried out by acquisition module control dialing management module.Collecting flowchart is as shown in Fig. 2 including such as
Lower step：
(1) capture program (sudo-u user1 capture programs) is started with specified user.In order to make full use of a plurality of circuit,
Multiple users can be used to start multiple capture programs.
(2) capture program obtains acquisition tasks.
(3) capture program calls dialing management module to obtain IP available, and invoked procedure is as shown in Figure 3.
(4) if IP is unavailable, the multiple Sending dialled number of capture program disconnects, dial-up connection operational order, until obtaining one
Untill individual IP available.
(5) if IP is available, then send data harvesting request, receive collection result, judge whether to be closed and right
As a result post-processed.
(6) repeat step (4) (5), if it find that collection is closed, will currently gather the IP that uses and are registered to IP and manage first
Module is managed, step (3) is then branched to, dials to obtain new IP available again.
Fig. 3 is that acquisition module calls dialing invention manages module diagram, wherein：
①：Dial Number command is sent.From acquisition module to dialing management module Sending dialled number broken string, dial-up connection order.
②③：Dial Number command is performed.Specific dialing is called to disconnect module and dial-up connection mould by dialing management module
Block.Acquisition module wants the IP address of the PPPoE interfaces after being dialled；The IP for the PPPoE interfaces that dial-up connection module is produced
Address needs to carry out availability judgement, judges to need and IP management modules are communicated, there is 2 kinds of implementation methods：
④⑤：Acquisition module judges whether dialup ip is available IP address with the communication of IP management modules.
⑥⑦⑧：Dialing management module judges whether dialup ip is available IP address with the communication of IP management modules, will be available
State returns to acquisition module.
Mode 2：Dialing management module periodically carries out dial-up operation.Comprise the following steps：
(1) capture program (sudo-u user1 capture programs) is started with specified user.In order to make full use of a plurality of circuit,
Multiple users can be used to start multiple capture programs.Capture program flow as shown in figure 4, capture program need not manage dial
Number, only complete acquisition function.
(2) dialing management module starts as a single process：The disconnection and connection of each PPPoE interfaces are periodically controlled,
Judge whether the IP of dialing generation can use, if IP is unavailable, the multiple Sending dialled number of dialing management module disconnects, dial-up connection behaviour
Instruct, untill obtaining an IP available.
Fig. 5 is dialing invention manages module diagram, wherein：
①②：Dial Number command is performed.Specific dialing is called to disconnect module and dial-up connection mould by dialing management module
Block.
③④：Dialing management module judges whether dialup ip is available IP address with the communication of IP management modules.
The invention is not restricted to embodiment of above, such as：
(1) acquisition module, dialing management module (calling dialing to disconnect module, dial-up connection module), IP management modules association
With combination, can exist respectively as single process, can also combination of two or be uniformly process.
(2) capture program is started with particular user identity, it is therefore an objective to the route (route of bag is made requests on by user identity
Form is<User's mark->PPPoE interfaces>).In order to which the access of all PPPoE networks is used, it is necessary to using multiple users
Open multiple capture programs.Other possible mode is to open capture program with high authority (such as root), in capture program
Acquisition module is called to be acquired with different user identity in portion.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, the ordinary skill of this area
Personnel can modify or equivalent substitution to technical scheme, without departing from the spirit and scope of the present invention, this
The protection domain of invention should be to be defined described in claims.
Claims (10)
1. a kind of high integration Ethernet Data Acquisition System accessed based on PPPoE network, it is characterised in that including a collection service
Device, the acquisition server is provided with least one piece network interface card, by the line access network for supporting PPPoE agreements；The collection clothes
Device be engaged in using the (SuSE) Linux OS supported PPPoE network access, support multi-user's routing function, and provided with following module：
Acquisition module, for obtaining acquisition tasks, initiates data harvesting request, and receive and handle distal end to far-end server
The data that server is returned；
Dialing disconnects module, the connection for disconnecting PPPoE circuits；
Dial-up connection module, the dial-up connection for carrying out PPPoE circuits, and Configuration network route so that data harvesting request from
Corresponding PPPoE network interface is sent；
Dialled management module, and module and dialing company are disconnected for managing a plurality of PPPoE circuits access, and by the dialing
Connection module performs the broken string of PPPoE circuits, attended operation；
IP management modules, for being managed to the IP that collection is used, realize IP registrations and IP inquiries；
Wherein, acquisition module connection dialing management module and IP management modules, dialing management module connect respectively IP management modules,
Dialing disconnects module, dial-up connection module；
Realize that the high integration network accessed based on PPPoE network is gathered by following steps：
1) multiple users are created using the useradd orders under linux system；
2) PPPoE configurations are carried out, PPPoE dial-up profile is set, for being broken, the control of dial-up connection；Each
The corresponding network insertion configuration of network interface uses a single configuration file；
3) acquisition module is started with different user identity, and determined based on user identity used in collection request bag transmission
PPPoE network interface；
4) acquisition module sends data harvesting request to collection target, and obtains the data of collection；
5) repeat step 4) untill acquisition tasks execution terminates.
2. the system as claimed in claim 1, it is characterised in that：The road used during the dial-up connection module Configuration network route
It is by the form of table<User's mark->PPPoE interfaces>, wherein user's mark refer to the user name of system either ID or
The ID of user's group name or user's group where system user, user's mark during configuration route according to collection process please by collection
Ask and sent from corresponding PPPoE interfaces.
3. the system as claimed in claim 1, it is characterised in that：The IP management modules provide two kinds of basic operations, and one is IP
Registration, that is, receive registration request, and the registration request comes from dial-up connection module or acquisition module, and the data of record include<
IP, source module, IP description informations>；Two be IP inquiries, that is, receives IP, returns to the whether available information of IP, and record IP inquiries
Action, is that follow-up IP inquiries are referred to.
4. the system as claimed in claim 1, it is characterised in that：The dialing management module timing carries out the disconnected of PPPoE circuits
Open and PPPoE dial-up connections operation, and coordinate the IP management modules to be inquired about, it is ensured that the dialing management module is obtained
IP address be available IP address.
5. the system as claimed in claim 1, it is characterised in that：The acquisition module calls the dialing management mould as needed
Block carries out the disconnection and PPPoE dial-up connections operation of PPPoE circuits, and coordinates the IP locating functions of the IP management modules,
Ensure that the IP address that the dialing management module is obtained can use.
6. the system as claimed in claim 1, it is characterised in that：The dialing management module is a single process, or
It is embedded into the acquisition module；The IP management modules are a single processes, or are embedded into the acquisition module,
Or be embedded into the dialing management module.
7. the system as claimed in claim 1, it is characterised in that the network collection refers to the collection to data below：Can
The data being had access to by surfing the Net, including the website data that various anonymous and non-anonymous are able to access that, miscellaneous service type
Network data, and it is a variety of using different upper layer application protocols provide user access network data.
8. a kind of high integration network acquisition method accessed based on PPPoE network of system described in use claim 1, it is walked
Suddenly include：
1) multiple users are created using the useradd orders under linux system；
2) PPPoE configurations are carried out, PPPoE dial-up profile is set, for being broken, the control of dial-up connection；Each
The corresponding network insertion configuration of network interface uses a single configuration file；
3) acquisition module is started with different user identity, and determined based on user identity used in collection request bag transmission
PPPoE network interface；
4) acquisition module sends data harvesting request to collection target, and obtains the data of collection；
5) repeat step 4) untill acquisition tasks execution terminates.
9. method as claimed in claim 8, it is characterised in that：Step 4) perform acquisition tasks when in the way of regularly replacing
IP is changed, its method is：The management module that dials timing carries out the disconnection and PPPoE dial-up connections operation of PPPoE circuits, and matches somebody with somebody
Close IP management modules to be inquired about, it is ensured that the IP address that dialing management module is obtained is available IP address.
10. method as claimed in claim 8, it is characterised in that：Step 4) carry out IP as needed when performing acquisition tasks
Change, its method is：Acquisition module calls the disconnection of dialing management module progress PPPoE circuits and PPPoE to dial as needed
Number attended operation, and coordinate the IP locating functions of IP management modules, it is ensured that the IP address that dialing management module is obtained can use.
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| CN111464403B (en) * | 2020-03-18 | 2021-10-22 | 庄奇东 | Multi-dialing method in edge calculation scene, terminal and computer readable storage medium |
| CN113810303A (en) * | 2021-09-28 | 2021-12-17 | 深圳市智微智能软件开发有限公司 | Self-adaptive method, device and equipment of communication module and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101212363A (en) * | 2006-12-31 | 2008-07-02 | 信息产业部通信计量中心 | Data communication network billing accuracy tester |
| CN101325515A (en) * | 2008-04-25 | 2008-12-17 | 中国网通（集团）有限公司洛阳市分公司 | Portable wide Band test system |
| EP2843877A1 (en) * | 2012-09-21 | 2015-03-04 | ZTE Corporation | Mobile terminal network port management method and device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212363A (en) * | 2006-12-31 | 2008-07-02 | 信息产业部通信计量中心 | Data communication network billing accuracy tester |
| CN101325515A (en) * | 2008-04-25 | 2008-12-17 | 中国网通（集团）有限公司洛阳市分公司 | Portable wide Band test system |
| EP2843877A1 (en) * | 2012-09-21 | 2015-03-04 | ZTE Corporation | Mobile terminal network port management method and device |
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