CN104125440B - The screen monitor system and monitoring method of cloud computing - Google Patents
The screen monitor system and monitoring method of cloud computing Download PDFInfo
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- CN104125440B CN104125440B CN201410387084.9A CN201410387084A CN104125440B CN 104125440 B CN104125440 B CN 104125440B CN 201410387084 A CN201410387084 A CN 201410387084A CN 104125440 B CN104125440 B CN 104125440B
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Abstract
This application discloses a kind of screen monitor system of cloud computing, including：Terminal module, packet capturing module, transcoding module and high in the clouds display module；The terminal module generates data-out port；The data of the packet capturing module crawl data-out port output；The agreement of data from the packet capturing module is identified the transcoding module, and data are transcoded into video data according to the agreement after identification；The high in the clouds display module shows the video data exported received from the transcoding module.So as to obtain enough data in the case of " no agency ", it is not necessary to the real-time monitoring to terminal module can be achieved using any terminal software.Disclosed herein as well is a kind of monitoring method based on screen monitor system, flow is simplified, convenient operation, efficiency is improved, so as to preferably carry out screen monitor to terminal module.
Description
Technical field
The present invention relates to the screen monitor system and monitoring method in screen monitor field, more particularly to cloud computing.
Background technology
At present, the solution of the main using terminal mode software of screen monitor, monitoring is installed in terminal operating system
Software, the software automatic start of end after starting etc. terminal, or, user manually boots.The software of end to monitor into
Journey is supported, and in the period of setting, the video data of recording is submitted to the server end of monitoring system by network, supervised
Control software needs to make different operating system versions.Thus, the solution of terminal software can be because of cross-platform, Process Protection etc.
Unstable phenomenon be present in aspect, in addition, escape, the risk of fraud monitoring it is very big.
Therefore, how to solve the above problems is the direction of those skilled in the art's effort.
The content of the invention
An object of the present invention is the screen monitor system for providing a kind of cloud computing, can be in the situation of " no agency "
It is lower to obtain enough data, it is not necessary to the real-time monitoring to terminal module to can be achieved using any terminal software, to solve
One of the prior art or multiple problems.
Another object of the present invention is to provide a kind of monitoring method based on screen monitor system, flow is simplified, just
Prompt operation, improves efficiency, preferably screen monitor is carried out to terminal module, to solve one of the prior art either
Multiple problems.
Realizing the technical scheme of above-mentioned purpose is：
A kind of screen monitor system of cloud computing of one of the present invention, including：
Terminal module, generate data-out port and pass through the data-out port output data；
Packet capturing module, captures the data of the data-out port output, and carries out filtering point according to default filtering rule
Exported after analysis；
Transcoding module, receive the data from the packet capturing module, the agreement of data be identified, and by data according to
Agreement after identification is transcoded into video data；And
High in the clouds display module, the video data exported received from the transcoding module is shown.
In some embodiments, the high in the clouds display module is arranged in cloud host machine.
In some embodiments, the screen monitor system also includes memory module, for storing the transcoding module
The video data of output, and for the video data of storage to be exported to the high in the clouds display module.
In some embodiments, packet capturing module, transcoding module and the memory module are operated in cloud server.
In some embodiments, the packet capturing module includes：
Adapter selecting unit, selected adapter is selected and turned on from adapter list；
Adapter Information acquiring unit, connect the adapter selecting unit, obtain selected adapter network number and
Subnet mask；
Placement unit, connects the adapter selecting unit, and crawl flows through the packet of selected adapter；
Filter element, the packet of placement unit crawl is filtered, filters out the data for meeting filtering rule
Bag；
Processing data packets unit, using the processing data packets call back function to prestore to the data that are exported by the filter element
Bag is analyzed, and analysis result and packet are exported simultaneously；
Data transmission unit, the network number and subnet mask and the number that the Adapter Information acquiring unit is exported
The data exported according to bag processing unit export simultaneously；And
Setting unit, selected adapter is on the one hand arranged to by promiscuous mode by the adapter selecting unit；Two
Aspect sets the maximum length of capture packet to the placement unit；Tripartite sets filtering rule in face of the filter element.
In some embodiments, the transcoding module includes：
Receiving unit, receive the data of the packet capturing module output；
Link layer data analytic unit, the receiving unit is connected, link layer data is analyzed；
Network layer data analytic unit, the receiving unit is connected, network layer data is analyzed；
Transport layer data analytic unit, the receiving unit is connected, transport layer data is analyzed；
Application layer data analytic unit, the receiving unit is connected, application layer data is analyzed；
Application-level protocol identification unit, the application layer data analytic unit is connected, port numbers are carried out to the agreement of data
Identification and regular expression identification or the identification of Land use models matching algorithm；
Data protocol transcoding units, the application-level protocol identification unit is connected, and by data according to the agreement after identification
It is transcoded into video data；And
Data transmission unit, the video data that the data protocol transcoding units are converted into export.
In some embodiments, the terminal module refers to the computing module being under cloud host machine management.
The monitoring method of the screen monitor system based on one of present invention cloud computing of the two of the present invention, including：
Step S1, the terminal module generates data-out port, and passes through the data-out port output data；
Step S2, the packet capturing module capture the data of the data-out port output, and according to default filtering rule
Exported after carrying out filter analysis to the transcoding module；
Step S3, the transcoding module receive data, the agreement of data are identified, and by data according to identification after
Agreement is transcoded into video data, and video data is exported to the high in the clouds display module；
Step S4, the video data of reception is shown in the high in the clouds display module.
In some embodiments, the step S2 includes：
Its data list is obtained, therefrom selected adapter；
Obtain the network number and subnet mask of selected adapter；
Selected adapter is arranged to promiscuous mode, and the maximum length of capture packet is set；
Filtering rule is set；
Define processing data packets call back function；
Capture flows through the packet of selected adapter；
The packet of capture is filtered by filtering rule, filters out the packet for meeting filtering rule；
Packet for meeting filtering rule, trigger data bag call call back function by function pointer and located
Reason；
Packet after the network number of the adapter of acquisition and subnet mask and processing is exported to the transcoding together
Module.
In some embodiments, the step S3 includes：
From the data grabber link-layer frame of reception；
Analyze link layer data；
Analyze network layer data；
Analyze transport layer data；
Analyze application layer data；
Port numbers identification and regular expression identification or Land use models matching are carried out to the agreement of data in application layer
Algorithm identifies；
Data are transcoded into video data according to the agreement after identification, and video data is exported and shows mould to the high in the clouds
Block.
The beneficial effects of the invention are as follows：
Monitoring system provided by the invention overcomes the deficiency of traditional terminal pattern software supervision screen, passes through cloud computing
Internal management server is to cloud main frame screen monitor (packet capturing module and transcoding module are operated on the server of cloud distal end), no
The installation agent on cloud main frame is needed, enough data are obtained in the case of " no agency ", it is not necessary to uses any terminal
Software is that real-time monitoring to terminal module can be achieved, so as to cross-platform, Process Protection etc. be not in it is unstable with
Escape, the risk of fraud monitoring.Meanwhile the application of high in the clouds display module, memory module and packet capturing module and transcoding module
Embody and make it that the function of monitoring system is more perfect and efficient.
Monitoring method provided by the invention is directed to monitoring system, and (not installation agent, net is set by being effectively simplified flow
Card mode of operation, by packet capturing function monitored data), convenient operation, efficiency is improved, is better achieved to terminal module
Monitoring in real time.
Brief description of the drawings
Fig. 1 is the structural representation of the screen monitor system of one embodiment of the present invention；
Fig. 2 is the structural representation of the packet capturing module of one embodiment of the present invention；
Fig. 3 is the structural representation of the transcoding module of one embodiment of the present invention；
Fig. 4 is the flow chart of the screen monitor method of one embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in further detail.
It is characteristic of the invention that proxy-free mode obtains the property indices of broken monitoring system." no agency " is i.e. " endless
End ", i.e., on server is managed, do not install any agent software write, is only provided in itself by being managed server
Function obtains relevant information.
Referring to Fig. 1, the screen monitor system of the cloud computing of one of present invention, including be sequentially connected terminal module 1, grab
Bag module 2, transcoding module 3 and cloud host machine 4, and the memory module 5 of transcoding module 3 and cloud host machine 4, high in the clouds are connected respectively
Main frame 4 is provided with high in the clouds display module (not shown), wherein：
Terminal module 1 refer in cloud host machine 4 manage under computing module, these computing modules include virtual machine,
Enterprise servers, PC, mobile phone etc., only need that data-out port (i.e. can output data) can be provided.Terminal
Module 1 is used to generate data-out port and by the data-out port output data；
Packet capturing module 2, transcoding module 3 and memory module 5 are operated in cloud server.
Packet capturing module 2 capture data-out port output data, and according to default filtering rule carry out filter analysis after
Output.Referring specifically to Fig. 2, packet capturing module 2 includes adapter selecting unit 21, Adapter Information acquiring unit 22, crawl list
Member 23, filter element 24, processing data packets unit 25, data transmission unit 26 and setting unit 27, wherein：
Adapter selecting unit 21 selectes suitable adapter from adapter list, and connects the adapter；Selection is suitable
The rule of orchestration：The type of work pattern of adapter could be arranged to mixed mode.
Adapter Information acquiring unit 22 connects adapter selecting unit 21, obtains the network number and son of selected adapter
Net mask, and export to data transmission unit 26；
Placement unit 23 connects adapter selecting unit 21, and crawl flows through the packet of selected adapter, i.e.,：By special
Door packet catcher program is captured (such as tcpdump, snort, wireshark), the packet by terminal module 1 number
Exported according to output port；
Setting unit 27 is realized respectively：Selected adapter is arranged to by promiscuous mode by adapter selecting unit 21,
The purpose of being arranged to promiscuous mode is to allow the TCP sniffers of service end to capture data from network interface card；Placement unit 23 is set
Capture the maximum length of packet；It is mainly to the setting filtering rule of filter element 24 and kernel buffers size, filtering rule
The data that packet header leaves network bag inclusion are filtered out, some is filtered by specified address filtering, some by specified services name；
The packet that filter element 24 captures to placement unit 23 filters, and filters out the data for meeting filtering rule
Bag；
Processing data packets unit 25 is met what is exported by filter element 24 using the processing data packets call back function to prestore
The packet of filtering rule is analyzed, and analysis result and packet are exported to data transmission unit 26 simultaneously；
Data transmission unit 26, the data that network number, subnet mask and processing data packets unit 25 are exported are defeated simultaneously
Go out to transcoding module 3；
Transcoding module 3 receives the data from packet capturing module 2, and the agreement of data is identified, and by data according to knowledge
The agreement of data after not is transcoded into video data.Referring to Fig. 3, transcoding module 3 specifically includes receiving unit 31, the link number of plies
According to analytic unit 32, network layer data analytic unit 33, transport layer data analytic unit 34, application layer data analytic unit 35,
Application-level protocol identification unit 36, data protocol transcoding units 37 and data transmission unit 38, wherein：
Receiving unit 31 receives the data of the output of packet capturing module 2, and captures data frame from link layer, respectively connecting link layer
Data analysis unit 32, network layer data analytic unit 33, transport layer data analytic unit 34 and application layer data analytic unit
35；
Link layer data analytic unit 32 is analyzed link layer data；Network layer data analytic unit 33 is to Internet
Data are analyzed；Transport layer data analytic unit 34 is analyzed transport layer data；Application layer data analytic unit 35 is right
Application layer data is analyzed；So as to obtain the feature regular expression of corresponding application layer protocol；
Application-level protocol identification unit 36 connects application layer data analytic unit 35, for the agreement (application layer to data
Agreement) carry out port numbers identification and regular expression identification.Wherein：Conventional port numbers identification, give tacit consent to 80,8080,
8088th, the port identifications such as 3128,3132,1900,11371 are http protocol；Regular expression identifies, passes through a large amount of statisticals
Analysis, is obtained the feature expression of certain application layer protocol, is then identified using the matching engine of regular expression.
Data protocol transcoding units 37 connect application-level protocol identification unit 36, and data are turned according to the agreement after identification
Code is into video data；
Data transmission unit 38 exports the video data that data protocol transcoding units 37 are converted into cloud host machine 4；
The video data exported received from transcoding module 3 is exported and shown to high in the clouds display module by cloud host machine 4, high in the clouds master
Machine 4, which refers to cloud service management end or cloud On-premise, other main frames (nonterminal) of processing routine；
Memory module 5 receives the video data that transcoding module 3 exports, and video data is stored and (that is to say and pass through
Packet capturing module 2 and transcoding module 3 are recorded to video data), it is necessary to when the video data of storage is taken out, it is defeated
Go out and shown to the high in the clouds display module of cloud host machine 4.
The screen monitor of cloud computing refers to management server inside cloud computing to cloud main frame screen monitor, it is not necessary in cloud
Installation agent on main frame.Packet capturing module and transcoding module are operated on the server of cloud distal end, because without agency, on main frame
These computings will not be carried out.Simply ordered before packet capturing, it is necessary to be sent by cloud server terminal to host side, that is, send ssh's
Shell-command, receiving terminal carry out packet capturing and output according to shell-command.Do not need installing terminal software can on terminal module 1
With monitored, it is not necessary to make the terminal software of different operating system, be not in thus the risk of fraud monitoring.
Referring to Fig. 4, the monitoring side of the two of the present invention screen monitor system based on one of present invention cloud computing
Method, comprise the following steps：
Step S1, terminal module 1 generates data-out port, and passes through the data-out port output data；
Step S2, packet capturing module 2 capture the data of data-out port output, and are filtered according to default filtering rule
Export to transcoding module 3, specifically comprise the following steps after analysis：
Its data list is obtained, therefrom Selective type mode of operation could be arranged to the adapter of mixed mode；
Obtain the network number and subnet mask of selected adapter；
Selected adapter is arranged to promiscuous mode, and the maximum length of capture packet is set；
Filtering rule is set, and kernel buffers size is set；
Processing data packets call back function is defined, for realizing the analysis to capturing packet；
Capture flows through the packet of selected adapter；
The packet of capture is filtered by filtering rule, filters out the packet for meeting filtering rule；
Packet for meeting filtering rule, trigger data bag call call back function by function pointer and located
Reason；
Packet after the network number of the adapter of acquisition and subnet mask and processing is exported to transcoding module together
3。
Step S3, transcoding module 3 receive data, the agreement of data are identified, and by data according to the association after identification
View is transcoded into video data, and video data is exported to cloud host machine 4, specifically includes the following steps：
From the data grabber link-layer frame (using tcpdump or other instruments) of reception；
Analyze link layer data；
Analyze network layer data；
Analyze transport layer data；
Analyze application layer data；So as to obtain the feature regular expression of corresponding application layer protocol；
According to the self-defined corresponding structure in the head of packet, port numbers identification is carried out to the agreement of data in application layer
And the protocol identification of regular expression identification or Land use models matching algorithm；Wherein：Conventional port numbers identification, acquiescence will
80th, the port identifications such as 8080,8088,3128,3132,1900,11371 are http protocol；Regular expression identifies, by a large amount of
Statistical analysis, the feature expression of certain application layer protocol is obtained, is then identified using regular expression.
The protocol identification of Land use models matching algorithm is a unitary discrimination, and it needs prior labor to be identified
Application layer protocol, find out in its interaction be different from other any agreements field, the feature as the agreement.Identifying
During, loading section in such algorithm inspection stream after each message TCP stems, use pattern matching algorithm is carried out
Matching.If matching the feature of certain agreement, this is failed to be sold at auction and is designated as corresponding agreement.This algorithm not only can recognize that using single
The agreement that one connection is communicated, and can recognize that such as PASV, FTP, Streaming Media are entered using multiple connections, dynamic port
The agreement of row communication.In these protocols, port used in data transfer is consulted in the control connection established in advance.
Each message in the protocol identification inspection control connection of Land use models matching algorithm, finds out and consults obtained port numbers, and with
This port identification data connects.Wherein：Pattern matching algorithm includes Single Pattern Matching Algorithms and AC multi-pattern matching algorithms, such as
Under：
(1) Single Pattern Matching Algorithms
BM algorithms are simplest Single Pattern Matching Algorithms, are recirculated by one two and are asked to solve monotype String matching
Topic, it is not necessary to any preprocessing process, and do not need additional data structures in addition to pattern string and target strings.Its process is
By the left alignment of main string and pattern string to be compared during beginning, then start to compare successively from left to right.Compare when at certain
When middle discovery character mismatches, the algorithm uses two enlightening rules, i.e. batter's symbol rule becomes reconciled suffix rule to determine
The number of characters that pattern string should move.Its feature is intuitively simple, but it is low to design repeatedly backtracking, efficiency of algorithm.KMP algorithms are
What the people of D.Knuth, J.Morris and V.Pratt tri- put forward in 1977.Its basic thought occurs when in a matching process
During mismatch, it is not required to recall main string, but several characters for making full use of oneself matching of the part through obtaining to imply, filter out
Those unnecessary comparisons, continue to be compared after pattern string is slided to the right into a segment distance as far as possible.The algorithm there is
The defects of main string is compared with multiple identical characters repetitions in pattern string.
(2) AC multi-pattern matching algorithms
AC multi-pattern matching algorithms are to be based on one tree, and tree automaton includes one group of state, one number of each state
Word represents.State machine read in text string in character, then produce state specialty or once in a while send output ground by way of come
Handle text.The behavior of tree-like finite state machine is indicated by three functions：Turn to function G, failure function F and output function
OUTPUT.Basic thought is that, in pretreatment stage, AC automatic machine algorithms establish three functions：Turn to function G, failure function F
With output function OUTPUT.In the search lookup stage, by the cross-reference scan text of these three functions, keyword is oriented
In the text occur position.This algorithm has two features：One is completely without backtracking, two when being scan text
Time complexity is O (n), and time complexity is unrelated with the number and length of keyword.
By data according to the protocol conversion after identification into video data, and video data is exported to cloud host machine 4.I.e.：
Video data is converted into specified format by software trans-coding system, designated code stream encryption mode, divided in a manner of file division
Into the packet of several sizes suitable (be no more than define before maximum data packet length), by public internet network with
These packets are sent to the receiving terminal (cloud host machine 4) in strange land by FTP mode, and provide data check means.High in the clouds master
Machine 4 is encoded to the data coding mode that receiving terminal specifies after each packet is received, by these packet combinings, in this mistake
Data-bag lost is such as run into journey, then receiving terminal requires that transmission side resends the packet, without again by video data
From the beginning transmit.
Step S4, cloud host machine 4 are shown the video data of reception beyond the clouds on display module.
Described above is only one embodiment of the present invention, it is noted that to those skilled in the art,
Without departing from the concept of the premise of the invention, some similar modification and improvement can also be made, these also should be regarded as this
Within the protection domain of invention.
Claims (9)
- A kind of 1. screen monitor system of cloud computing, it is characterised in that including：Terminal module, there is provided have data-out port and by the data-out port output data；Packet capturing module, the data of data-out port output are captured, and after carrying out filter analysis according to default filtering rule Output；Transcoding module, the data from the packet capturing module are received, the agreement of data is identified, and by data according to identification Agreement afterwards is transcoded into video data；AndHigh in the clouds display module, the video data exported received from the transcoding module is shown；Wherein, the packet capturing module and transcoding module are operated in cloud server, and the high in the clouds display module is set beyond the clouds On main frame.
- 2. the screen monitor system of cloud computing according to claim 1, it is characterised in that the screen monitor system is also wrapped Include memory module, for storing the video data of transcoding module output, and for by the video data of storage export to The high in the clouds display module.
- 3. the screen monitor system of cloud computing according to claim 2, it is characterised in that the memory module operates in cloud Hold in server.
- 4. the screen monitor system of cloud computing according to claim 1, it is characterised in that the packet capturing module includes：Adapter selecting unit, selected adapter is selected and turned on from adapter list；Adapter Information acquiring unit, the adapter selecting unit is connected, obtain the network number and subnet of selected adapter Mask；Placement unit, connects the adapter selecting unit, and crawl flows through the packet of selected adapter；Filter element, the packet of placement unit crawl is filtered, filters out the packet for meeting filtering rule；Processing data packets unit, the packet exported by the filter element is entered using the processing data packets call back function to prestore Row analysis, analysis result and packet are exported simultaneously；Data transmission unit, the network number and subnet mask and the packet that the Adapter Information acquiring unit is exported The data of processing unit output export simultaneously；AndSetting unit, selected adapter is arranged to by promiscuous mode by the adapter selecting unit, it is single to the crawl Member sets the maximum length of capture packet, and filtering rule is set to the filter element.
- 5. the screen monitor system of cloud computing according to claim 1, it is characterised in that the transcoding module includes：Receiving unit, receive the data of the packet capturing module output；Link layer data analytic unit, the receiving unit is connected, link layer data is analyzed；Network layer data analytic unit, the receiving unit is connected, network layer data is analyzed；Transport layer data analytic unit, the receiving unit is connected, transport layer data is analyzed；Application layer data analytic unit, the receiving unit is connected, application layer data is analyzed；Application-level protocol identification unit, the application layer data analytic unit is connected, port numbers identification is carried out to the agreement of data And regular expression identification or the identification of Land use models matching algorithm；Data protocol transcoding units, the application-level protocol identification unit is connected, the agreement by data according to the data after identification It is transcoded into video data；AndData transmission unit, the video data that the data protocol transcoding units are converted into export.
- 6. the screen monitor system of cloud computing according to claim 1, it is characterised in that the terminal module refers to be in Computing module under cloud host machine management.
- A kind of 7. monitoring method of the screen monitor system based on cloud computing described in claim 1, it is characterised in that including：Step S1, the terminal module generates data-out port, and passes through the data-out port output data；Step S2, the packet capturing module capture the data of the data-out port output, and are carried out according to default filtering rule Exported after filter analysis to the transcoding module；Step S3, the transcoding module receive data, the agreement of data are identified, and by data according to the agreement after identification Video data is transcoded into, and video data is exported to the high in the clouds display module；Step S4, the video data of reception is shown in the high in the clouds display module.
- 8. monitoring method according to claim 7, it is characterised in that the step S2 includes：Its data list is obtained, therefrom selected adapter；Obtain the network number and subnet mask of selected adapter；Selected adapter is arranged to promiscuous mode, and the maximum length of capture packet is set；Filtering rule is set；Define processing data packets call back function；Capture flows through the packet of selected adapter；The packet of capture is filtered by filtering rule, filters out the packet for meeting filtering rule；Packet for meeting filtering rule, trigger data bag call call back function by function pointer and handled；Packet after the network number of the adapter of acquisition and subnet mask and processing is exported to the transcoding module together.
- 9. the monitoring method according to claim 7 or 8, it is characterised in that the step S3 includes：Data frame is captured from link layer；Analyze link layer data；Analyze network layer data；Analyze transport layer data；Analyze application layer data；Port numbers identification and regular expression identification or Land use models matching algorithm are carried out to the agreement of data in application layer Identification；Data are transcoded into video data according to the agreement after identification, and video data is exported to the high in the clouds display module.
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| CN105979283A (en) * | 2015-08-12 | 2016-09-28 | 乐视云计算有限公司 | Video transcoding method and device |
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| JP2010068244A (en) * | 2008-09-10 | 2010-03-25 | Sanyo Electric Co Ltd | Device to be controlled |
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| EP1993051A1 (en) * | 2007-05-18 | 2008-11-19 | France Telecom | Automated composition of web services |
| CN101420610A (en) * | 2007-10-26 | 2009-04-29 | 闪联信息技术工程中心有限公司 | Method for displaying remote desktop content and apparatus thereof |
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