CN112804040B - Method, module, storage medium, device and system for positioning data position - Google Patents
Method, module, storage medium, device and system for positioning data position Download PDFInfo
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- CN112804040B CN112804040B CN202110085070.1A CN202110085070A CN112804040B CN 112804040 B CN112804040 B CN 112804040B CN 202110085070 A CN202110085070 A CN 202110085070A CN 112804040 B CN112804040 B CN 112804040B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0067—Allocation algorithms which involve graph matching
Abstract
The invention discloses a method, a module, a readable storage medium, equipment and a system for locating a data position, wherein the method comprises the following steps: s1, calculating the position of load data of each data packet in the whole data stream and the position of the data stream in each direction in the whole data stream, and enabling the calculated positions of the data packets to correspond to the positions of the data streams one by one; s2, constructing a summary view for the calculated position of the data packet and the position of the data stream, wherein each item in the constructed summary view represents a section of the data stream, converting the operation of the list item in the summary view into the operation of the whole data stream, positioning the position of the data stream and positioning the data packet corresponding to the load data through the summary view, and the like; the invention realizes the quick positioning and searching of the data position, and quick understanding and checking of the data interaction condition and the like.
Description
Technical Field
The present invention relates to the field of data positioning, and more particularly, to a method, a module, a storage medium, a device, and a system for positioning a data location.
Background
In the field of current data positioning, in particular to data flow analysis of a current TCP session, after data packets are analyzed, all data of the data packet load data are combined together, all data of the current data flow are displayed in one text view, and data in different directions are marked by different colors. If it is necessary to locate a portion of data or determine where a piece of data is located during the interaction between the client and the server, it is necessary to analyze from the beginning of the data stream, and quick locating and searching cannot be achieved.
The analysis mode of the current TCP data stream has the following drawbacks: when data analysis is performed, a data packet to which the data currently analyzed belongs cannot be determined. Because the current data stream display form is to combine the data of the whole TCP session together, the transmission process and the transmission data of the whole data stream are displayed, and the data stream is not refined to the data packet level, so that the data packets corresponding to the data cannot be positioned quickly and accurately when the data is analyzed; a certain request or response in the data stream cannot be quickly searched and located; the interaction process between the data stream client and the server cannot be known quickly, etc.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provide a method, a module, a storage medium, equipment and a system for positioning data positions, solve the problems in the background art, realize quick positioning and searching of the data positions, quickly know the interaction condition of checked data and the like.
The invention aims at realizing the following scheme:
a method of locating a data location, comprising the steps of:
s1, calculating the position of load data of each data packet in the whole data stream and the position of the data stream in each direction in the whole data stream, and enabling the calculated positions of the data packets to correspond to the positions of the data streams one by one;
s2, constructing a summary view for the calculated position of the data packet and the position of the data stream, wherein each item in the constructed summary view represents a section of the data stream, converting the operation of the list item in the summary view into the operation of the whole data stream, and positioning the data stream position and the data packet corresponding to the positioning load data through the summary view.
Further, in step S1, the steps include:
combining the load data according to the client transmission data and the server transmission data to form an integral data stream; in the combining process, calculating the initial position of the load data of each data packet in the whole data stream, and calculating the initial position of the data stream in each direction in the whole data stream, wherein the initial position of the data stream is the same as the initial position of the data packet.
Further, in calculating the start position of each data packet, the start position of the next data packet=the start position of the previous data packet+the load data length of the previous data packet; in calculating the position of the data stream in each direction, the data stream start position in the next direction=the sum of the data stream start position in the current direction+the payload data length of the continuous data packets of the data stream in the current direction.
Further, in calculating the starting position of each data packet, recording information of load data, wherein the information of the load data comprises any one or more of the starting position of the load data, the length of the load data, the number of the data packet and the direction of the data stream where the data packet is located, and storing the recorded information of the load data as an object in an object array v 1; in the position of the data stream in each direction, a section of data of the data stream in the current direction is intercepted, and the starting position of the data stream in the current direction, the sum of the load data lengths of the continuous data packets of the data stream in the current direction, the intercepted section of data and the direction of the data stream to which the intercepted section of data belongs are taken as an object to be stored in an object array v 2.
Further, in step S2, a step of constructing a text view of the data stream is included, and the entire data stream is displayed in a text manner; at this time, the start position of the data packet in v1 and the start position of the data stream in v2 both represent offset positions of the text in the data stream view, so as to form a one-to-one correspondence.
Further, the method comprises the step of searching for the position of the positioning data stream; according to the data stream information displayed by the summary view, selecting a data segment to be searched as a selection item, and according to the selection item, finding data information in a corresponding direction in the object array v2, wherein the data information in the corresponding direction comprises a data stream starting position P and a data length L; finding data with the offset position equal to P from the initial position in the text of the data flow text view, namely the data with the length equal to L from the initial position to the position is the data flow to be searched for and positioned, marking the data and positioning the data flow text view, and thus, the position of the data flow to be searched for and positioned can be completed;
and/or the number of the groups of groups,
the method comprises the steps of searching data packet information corresponding to current data in a text view of a positioning data stream; acquiring a screen coordinate point of a text position selected by a mouse in a data stream text view, converting the screen coordinate point into a client region coordinate point, converting according to the coordinate point of a text display control, and calculating an offset position of the current position in the whole text information;
on the condition of the offset position, the search in v1 satisfies: the offset position is more than or equal to the initial position, and the offset position is less than the initial position plus the data length of the load, wherein the data packet information is the data packet information corresponding to the data selected by the text view of the current data stream, and the data packet information is displayed and the outline view of the data stream is positioned; on the condition of the offset position, the search in v2 satisfies: the offset position is greater than or equal to the data stream start position, and the offset position is less than the data stream start position and the data stream length condition, and then searching and positioning the item representing the data stream in the current direction in the data stream summary view.
A module for locating a data location, comprising:
the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one;
and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
Storage media for locating data locations, including programs and readable storage media hardware itself; when the program runs on the readable storage medium hardware itself, the following module architecture is implemented: the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one; and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
An apparatus for locating a data location comprising a module for locating a data location and/or the storage medium.
A system for locating a data location, comprising a device for locating a data location.
The beneficial effects of the invention are as follows:
(1) The search data location is located quickly. The searching range is reduced to a certain section of data through the sectional searching of the data flow summary view, and then the position and the data packet to which the target data belong are searched in the section of data; the traditional data flow only extracts each section of data flow, and displays the data according to the data segments of the client and the server, only knows which direction the data is in when analyzing the data, and cannot know where the specific position of the current data belongs to which data packet, and the method in the embodiment can know the data packet information and the position information of the data at any time when analyzing.
(2) And the interaction condition of the data is quickly known and checked. The conventional data flow does not carry out summary statistics on a large amount of data interaction, so that the interaction condition of the whole session and the position of each piece of data in the session can not be directly known in analysis; however, in the method of this embodiment, the summary view list intercepts part of the current data stream information to make statistics, so that the data interaction situation between the client and the server in the whole data stream can be known through the summary view list.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flow chart of the method steps of the present invention.
Detailed Description
All of the features disclosed in all of the embodiments of this specification, or all of the steps in any method or process disclosed implicitly, except for the mutually exclusive features and/or steps, may be combined and/or expanded and substituted in any way.
As shown in fig. 1, the method for locating the data position comprises the steps of:
s1, calculating the position of load data of each data packet in the whole data stream and the position of the data stream in each direction in the whole data stream, and enabling the calculated positions of the data packets to correspond to the positions of the data streams one by one;
s2, constructing a summary view for the calculated position of the data packet and the position of the data stream, wherein each item in the constructed summary view represents a section of the data stream, converting the operation of the list item in the summary view into the operation of the whole data stream, and positioning the data stream position and the data packet corresponding to the positioning load data through the summary view.
Further, in step S1, the steps include:
combining the load data according to the client transmission data and the server transmission data to form an integral data stream; in the combining process, calculating the initial position of the load data of each data packet in the whole data stream, and calculating the initial position of the data stream in each direction in the whole data stream, wherein the initial position of the data stream is the same as the initial position of the data packet.
Further, in calculating the start position of each data packet, the start position of the next data packet=the start position of the previous data packet+the load data length of the previous data packet; in calculating the position of the data stream in each direction, the data stream start position in the next direction=the sum of the data stream start position in the current direction+the payload data length of the continuous data packets of the data stream in the current direction.
Further, in calculating the starting position of each data packet, recording information of load data, wherein the information of the load data comprises any one or more of the starting position of the load data, the length of the load data, the number of the data packet and the direction of the data stream where the data packet is located, and storing the recorded information of the load data as an object in an object array v 1; in the position of the data stream in each direction, a section of data of the data stream in the current direction is intercepted, and the starting position of the data stream in the current direction, the sum of the load data lengths of the continuous data packets of the data stream in the current direction, the intercepted section of data and the direction of the data stream to which the intercepted section of data belongs are taken as an object to be stored in an object array v 2.
Further, in step S2, a step of constructing a text view of the data stream is included, and the entire data stream is displayed in a text manner; at this time, the start position of the data packet in v1 and the start position of the data stream in v2 both represent offset positions of the text in the data stream view, so as to form a one-to-one correspondence.
Further, the method comprises the step of searching for the position of the positioning data stream; according to the data stream information displayed by the summary view, selecting a data segment to be searched as a selection item, and according to the selection item, finding data information in a corresponding direction in the object array v2, wherein the data information in the corresponding direction comprises a data stream starting position P and a data length L; finding data with the offset position equal to P from the initial position in the text of the data flow text view, namely the data with the length equal to L from the initial position to the position is the data flow to be searched for and positioned, marking the data and positioning the data flow text view, and thus, the position of the data flow to be searched for and positioned can be completed;
and/or the number of the groups of groups,
the method comprises the steps of searching data packet information corresponding to current data in a text view of a positioning data stream; acquiring a screen coordinate point of a text position selected by a mouse in a data stream text view, converting the screen coordinate point into a client region coordinate point, converting according to the coordinate point of a text display control, and calculating an offset position of the current position in the whole text information;
on the condition of the offset position, the search in v1 satisfies: the offset position is more than or equal to the initial position, and the offset position is less than the initial position plus the data length of the load, wherein the data packet information is the data packet information corresponding to the data selected by the text view of the current data stream, and the data packet information is displayed and the outline view of the data stream is positioned; on the condition of the offset position, the search in v2 satisfies: the offset position is greater than or equal to the data stream start position, and the offset position is less than the data stream start position and the data stream length condition, and then searching and positioning the item representing the data stream in the current direction in the data stream summary view.
A module for locating a data location, comprising:
the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one;
and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
Storage media for locating data locations, including programs and readable storage media hardware itself; when the program runs on the readable storage medium hardware itself, the following module architecture is implemented: the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one; and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
An apparatus for locating a data location comprising a module for locating a data location and/or the storage medium.
A system for locating a data location, comprising a device for locating a data location.
The method in this embodiment is based on the existing technology, and extracts the data packet information and the current direction data stream information to form a summary view of the whole data stream in the process of reorganizing, decrypting and decompressing the data packet, and locates the position in the text view of the data stream through the summary view of the data stream, and searches the data packet information corresponding to the current data. In the embodiment, the data packets of the TCP session and the position information of the data stream are in one-to-one correspondence to the TCP session. When analyzing TCP data packets, the position information of the load data of each data packet in the whole data stream is recorded, the position information of the data stream in each direction is recorded, a summary list is formed by using the recorded information, each item in the list represents one section of data stream, and the operation on the list item is converted into the operation on the whole data stream.
In the embodiment of the present invention, as shown in fig. 1, by processing information of a data packet and a data stream step by step, a view list is formed by extracting data transmitted between a client and a server in the data stream and information of a data segment corresponding to the data packet, so that the data stream corresponding position can be quickly located through the view list, and the specific flow is as follows:
and acquiring the data packet, namely grabbing the data packet of the TCP in the network or playing back the existing data packet through a packet grabbing tool.
Analyzing the data packet, dividing the acquired data packet into different sessions according to four components of a source address, a source port, a destination address and a destination port, and carrying out-of-order recombination on the data packets of each session, and then extracting the data of the data packets.
In the process of analyzing the data packet of the TCP session, calculating and obtaining the load data and the load length of the current session data packet according to the TCP protocol specification, and sequentially combining the load data according to the correct transmission sequence and the client transmission data and the server transmission data to form an integral data stream;
in the combining process, calculating the initial position and the data length of each data packet load data in the whole data stream at the same time, wherein the initial position is calculated from 0, the data length is the current data packet load data length, the initial position of the next data packet=the initial position of the last data packet+the data length of the last data packet, and recording the information of each section of load data, wherein the information comprises: the data starting position, the data length, the data packet number and the data flow direction of the data packet, namely a client or a server, are used as an object and stored in an object array v 1;
calculating the data length of each direction in the data stream and the starting position in the whole data stream, wherein the starting position is the same as the starting position of the data packet and starts with 0; the data in each direction consists of the load data of the data packets with loads, which are continuous in the current direction, until the transmission direction of the data packets changes, and the data length is the sum of the load data lengths of the data packets; meanwhile, intercepting the first section of data of the data in the current direction, wherein the intercepting length can be intercepted as required; next direction data start position = current direction data start position + data length; the initial position of the current direction data, the data length, the intercepted data and the direction of the data are used as an object to be stored in an object array v 2;
and constructing a data stream view, and displaying the whole data stream data acquired in the first step in a text mode. At this time, the initial position of the data packet in v1 and the initial position of the data stream in v2 both represent offset positions of the text in the data stream view, so as to form a one-to-one correspondence;
and constructing a data flow summary view list, wherein the data information in v2 is used for constructing the list according to two columns of a client and a server, and each item of displayed data is the section of data intercepted in each direction. For a TCP session, the presentation is in a row corresponding to the request and response.
The method comprises the steps of quickly searching and positioning the data stream position, selecting a data segment to be searched according to data stream information displayed by a summary view list, and searching data information in a corresponding direction in an object array v2 according to a selected item: a data stream start position P and a data length L; and (3) finding data with the offset position equal to P from 0 in the text of the data flow view, wherein the data with the length equal to L from the position is the search data, and marking the text segment to finish positioning.
And searching data packet information corresponding to the current data in the data flow view. Acquiring a screen coordinate point of a text position selected by a mouse in a data stream view, converting the screen coordinate point into a client region coordinate point, calculating an offset position of a current position in the whole text information according to a coordinate point conversion method of a text display control, and searching for a position meeting the following conditions in v1 under the condition of the offset position: offset position > = start position, and offset position < start position + packet information of the load length condition, which is packet information corresponding to the selected data of the current data stream view, the packet information is displayed in a floating window form; on the condition of the offset position, a data stream in one direction satisfying the conditions of offset position > = data stream start position and offset position < data stream start position + data stream length is searched in v2, and the item representing the data stream in the current direction is located in the data stream summary view.
The key points of the method in the embodiment are as follows: the data packets of the TCP session correspond to the position information of the data stream one by one. When analyzing TCP data packets, the position information of the load data of each data packet in the whole data stream is recorded, the position information of the data stream in each direction is recorded, a summary list is formed by using the recorded information, each item in the list represents one section of data stream, and the operation on the list item is converted into the operation on the whole data stream.
The method in this embodiment has the advantages that: (1) locating the seek data location quickly. The searching range is reduced to a certain section of data through the sectional searching of the data flow summary view, and then the position and the data packet to which the target data belong are searched in the section of data; the traditional data flow only extracts each section of data flow, and displays the data according to the data segments of the client and the server, only knows which direction the data is in when analyzing the data, and cannot know where the specific position of the current data belongs to which data packet, and the method in the embodiment can know the data packet information and the position information of the data at any time when analyzing. And (2) quickly knowing the interaction condition of the checked data. The conventional data flow does not carry out summary statistics on a large amount of data interaction, so that the interaction condition of the whole session and the position of each piece of data in the session can not be directly known in analysis; however, in the method of this embodiment, the summary view list intercepts part of the current data stream information to make statistics, so that the data interaction situation between the client and the server in the whole data stream can be known through the summary view list.
The inventive functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in the form of a software product stored in a storage medium and executing all or part of the steps of the method according to the embodiments of the present invention in a computer device (which may be a personal computer, a server, or a network device, etc.) and corresponding software. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, and an optical disk, and test or actual data exist in a read-only memory (Random Access Memory, RAM), a random access memory (Random Access Memory, RAM), and the like in program implementation.
Claims (5)
1. A method of locating a data location, comprising the steps of:
s1, calculating the position of load data of each data packet in the whole data stream and the position of the data stream in each direction in the whole data stream, and enabling the calculated positions of the data packets to correspond to the positions of the data streams one by one; in step S1, the steps include: combining the load data according to the client transmission data and the server transmission data to form an integral data stream; in the combination process, calculating the initial position of the load data of each data packet in the whole data stream, and calculating the initial position of the data stream in each direction in the whole data stream, wherein the initial position of the data stream is the same as the initial position of the data packet; in calculating the start position of each data packet, the start position of the next data packet=the start position of the last data packet+the load data length of the last data packet; in calculating the position of the data stream in each direction, the data stream start position in the next direction=the sum of the data stream start position in the current direction+the load data length of the continuous data packets of the data stream in the current direction; recording information of load data in a starting position of each data packet, wherein the information of the load data comprises any one or more of a starting position of the load data, a length of the load data, a number of the data packet and a data flow direction of the data packet, and storing the recorded information of the load data as an object in an object array v 1; in the position of the data stream in each direction, intercepting a section of data of the data stream in the current direction, and storing the starting position of the data stream in the current direction, the sum of the load data lengths of continuous data packets of the data stream in the current direction, the intercepted section of data and the direction of the data stream to which the intercepted section of data belongs as an object in an object array v 2;
s2, constructing a summary view for the calculated position of the data packet and the position of the data stream, wherein each item in the constructed summary view represents a section of data stream, converting the operation of list items in the summary view into the operation of the whole data stream, and positioning the data stream position and the data packet corresponding to the positioning load data through the summary view; in step S2, a step of constructing a text view of the data stream, and displaying the entire data stream in a text manner; at this time, the initial position of the data packet in v1 and the initial position of the data stream in v2 both represent offset positions of the text in the data stream view, so as to form a one-to-one correspondence; the method comprises the steps of searching for the position of a positioning data stream; according to the data stream information displayed by the summary view, selecting a data segment to be searched as a selection item, and according to the selection item, finding data information in a corresponding direction in the object array v2, wherein the data information in the corresponding direction comprises a data stream starting position P and a data length L; finding data with the offset position equal to P from the initial position in the text of the data flow text view, namely the data with the length equal to L from the initial position to the position is the data flow to be searched for and positioned, marking the data and positioning the data flow text view, and thus, the position of the data flow to be searched for and positioned can be completed; and/or, searching the data packet information corresponding to the current data in the text view of the positioning data stream; acquiring a screen coordinate point of a text position selected by a mouse in a data stream text view, converting the screen coordinate point into a client region coordinate point, converting according to the coordinate point of a text display control, and calculating an offset position of the current position in the whole text information; on the condition of the offset position, the search in v1 satisfies: the offset position is more than or equal to the initial position, and the offset position is less than the initial position plus the data length of the load, wherein the data packet information is the data packet information corresponding to the data selected by the text view of the current data stream, and the data packet information is displayed and the outline view of the data stream is positioned; on the condition of the offset position, the search in v2 satisfies: the offset position is greater than or equal to the data stream start position, and the offset position is less than the data stream start position and the data stream length condition, and then searching and positioning the item representing the data stream in the current direction in the data stream summary view.
2. A module for locating a data location, characterized in that it is adapted to implement the method for locating a data location according to claim 1, comprising:
the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one;
and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
3. A storage medium for locating a data location for implementing the method for locating a data location as claimed in claim 1, characterized in that,
including the program and the readable storage medium hardware itself; when the program runs on the readable storage medium hardware itself, the following module architecture is implemented:
the calculation module is used for calculating the position of the load data of each data packet in the whole data flow and the position of the data flow in each direction in the whole data flow; the matching module is used for corresponding the calculated positions of the data packets to the positions of the data streams one by one;
and the summary view construction module is used for constructing a summary view for the calculated positions of the data packets and the data stream positions, each item in the constructed summary view represents a section of data stream, the operation of the list item in the summary view is converted into the operation of the whole data stream, and the data stream positions and the data packets corresponding to the positioning load data are positioned through the summary view.
4. An apparatus for locating a data location comprising a module for locating a data location as claimed in claim 2 or a storage medium as claimed in claim 3.
5. A system for locating a data location comprising a device for locating a data location as claimed in claim 4.
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| WO2006114761A1 (en) * | 2005-04-26 | 2006-11-02 | Koninklijke Philips Electronics N.V. | A device for and a method of detecting positions of intra-coded frames in a data stream |
| CN108964979A (en) * | 2018-06-07 | 2018-12-07 | 成都深思科技有限公司 | A kind of network data flow display system and its working method |
| CN111625739A (en) * | 2019-02-28 | 2020-09-04 | 北京京东尚科信息技术有限公司 | Positioning method and device and storage medium |
| CN110098977A (en) * | 2019-04-12 | 2019-08-06 | 中国科学院声学研究所 | Real-time protocol (RTP) identifies the network packet under background sequentially storage method and system |
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