CN107948011B - Method and system for verifying data consistency under network pressure - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 117
- 230000005540 biological transmission Effects 0.000 claims abstract description 71
- 208000032369 Primary transmission Diseases 0.000 claims description 18
- 208000032370 Secondary transmission Diseases 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000013515 script Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
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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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- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
-
- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/087—Jitter
-
- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
-
- 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
- H04L43/16—Threshold monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
Abstract
A method and system for verifying data consistency under network pressure, the method comprises: 1. judging whether a test tool is installed or not; if not, downloading and installing a test tool; 2. downloading a file to be transmitted; 3. setting a source node and a target node; 4. starting a test tool to start testing; 5. setting a transmission bandwidth; 6. encoding a file; 7. transmitting the file from the source node to the target node, and encoding; 8. judging whether the codes are consistent; 9. if the data are consistent, recording successfully once, and entering 10; if the two are inconsistent, the record fails once, and the step returns to step 6; 10. transmitting the primary file from the target node to the source node, and encoding; 11. judging whether the codes are consistent; 12. if the data are consistent, the data are recorded successfully once, and the step 6 is returned; if the two are inconsistent, the recording fails once, and the 7 is returned; the system comprises the following steps: the test tool detects and installs, provides files to be transmitted, starts a test, sets nodes and transmission bandwidth, codes, transmits and judges the files and records a transmission result.
Description
Technical Field
The invention belongs to the field of data testing, and particularly relates to a method and a system for verifying data consistency under network pressure.
Background
With the continuous expansion of modern data centers, servers are used as important components of the data centers, and the servers need to be communicated through a large number of networks. The data is the asset. Under such a large amount of data traffic, the data stability of the network card is a critical ring.
The conventional network pressure test only carries out the pressure test, does not carry out the verification of added data, does not pay attention to whether the data is lost or not, and cannot test the consistency result of the data under the network pressure.
This is a disadvantage of the prior art, and therefore, it is desirable to provide a method and system for verifying data consistency under network pressure.
Disclosure of Invention
The present invention provides a method and a system for verifying data consistency under network pressure, aiming at the defect that the network pressure test cannot verify data consistency, so as to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for verifying data consistency under network pressure comprises the following steps:
step 1, judging whether a test tool is installed or not;
if the installation is finished, entering the step 2; if not, downloading and installing a test tool;
step 2, downloading a file to be transmitted;
step 3, setting a source node and a target node;
step 4, starting the test tool to start testing;
step 5, setting transmission bandwidth;
step 6, coding the file to be transmitted at the source node to generate a file coding file to be transmitted;
step 7, transmitting the file to be transmitted from the source node to the target node, generating a primary transmission file, and encoding the primary transmission file;
step 8, judging whether the code of the file to be transmitted is consistent with the code of the file transmitted for one time;
step 9, if the code of the file to be transmitted is consistent with the code of the file transmitted once, recording that the transmission is successful once, and entering step 10;
if the code of the file to be transmitted is not consistent with the code of the file transmitted for one time, recording the transmission failure for one time, and returning to the step 6;
step 10, transmitting the primary transmission file from the target node to the source node, generating a secondary transmission file, and encoding the secondary transmission file;
step 11, judging whether the code of the primary transmission file is consistent with the code of the secondary transmission file;
step 12, if the code of the primary transmission file is consistent with the code of the secondary transmission file, recording that the transmission is successful once, and returning to the step 6;
if the code of the primary transmission file is not consistent with the code of the secondary transmission file, recording the transmission failure once, and returning to the step 10.
Further, step 5 also includes setting a test time threshold and starting timing;
before the step of judging the data consistency in the step 8 and the step 11, the method also comprises a step of judging whether the time is overtime;
if the test time exceeds the test time threshold, judging that the test is over time, and ending the test; if the time does not exceed the test time threshold, judging that the time is not overtime, and continuing to carry out the next step.
Further, the test tool employs an iperf test tool.
Further, in step 5, the transmission bandwidth is set to be greater than or equal to 90% of the total network bandwidth.
Further, in step 6 and step 10, the file is MD5 encoded by using MD5 encoding tool.
The invention also provides the following technical scheme:
a system for verifying data consistency under network pressure comprises a test tool detection module, a test tool installation module, a file providing module to be transmitted, a node setting module, a test starting module, a transmission bandwidth setting module, an encoding module, a file transmission module, a file judgment module and a transmission result recording module;
the test tool detection module is used for judging whether a test tool is installed or not;
the test tool installation module is used for downloading and installing the test tool under the condition that the test tool is not installed;
the file providing module to be transmitted is used for downloading the file to be transmitted;
the node setting module is used for setting a source node and a target node;
the test starting module is used for starting the test tool to start testing;
the transmission bandwidth setting module is used for setting transmission bandwidth;
the encoding module is used for encoding the file;
the file transmission module is used for realizing the transmission of the file from one node to another node;
the file judging module is used for judging whether the two files are consistent after being coded;
and the transmission result recording module is used for recording the transmission result, recording the transmission success once if the codes of the files before and after transmission are consistent, and recording the transmission failure once if the codes of the files before and after transmission are inconsistent.
Furthermore, the system also comprises an overtime threshold setting module and an overtime judging module;
the overtime threshold setting module is used for setting a test execution time threshold;
the overtime judging module is used for judging whether the test is overtime or not, and setting overtime if the test execution time threshold is exceeded; if the test execution time threshold is not exceeded, no timeout is set.
Further, the test tool employs an iperf test tool.
Further, the transmission bandwidth setting module sets the transmission bandwidth to be greater than or equal to 90% of the total bandwidth of the network.
Further, the encoding module adopts an MD5 encoding tool to carry out MD5 encoding on the file.
The invention has the beneficial effects that:
the invention realizes the test of the consistency of the network data, has automatic operation, can avoid human errors, quickly finishes the test and result processing, improves the test efficiency and further improves the product quality.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
wherein, 1-testing tool detection module; 2-a test tool mounting module; 3-a file providing module to be transmitted; 4-node setting module; 5-testing a starting module; 6-transmission bandwidth setting module; 7-an encoding module; 8-file transmission module, 9-file judgment module; 10-transmission result recording module; 11-timeout threshold setting module; 12-timeout judging module.
The specific implementation mode is as follows:
in order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, the present invention provides a method for verifying data consistency under network pressure, comprising the following steps:
step 1, judging whether a test tool is installed or not; the test tool adopts an iperf test tool;
if the installation is finished, entering the step 2; if not, downloading and installing a test tool;
step 2, downloading a file to be transmitted;
step 3, setting a source node and a target node;
step 4, starting the test tool to start testing;
step 5, setting transmission bandwidth; setting a test time threshold and starting timing; setting the transmission bandwidth to be more than or equal to 90% of the total bandwidth of the network;
step 6, coding the file to be transmitted at the source node to generate a file coding file to be transmitted; the MD5 coding tool is adopted to carry out MD5 coding on the file;
step 7, transmitting the file to be transmitted from the source node to the target node, generating a primary transmission file, and encoding the primary transmission file;
step 8, judging whether the time is out; if yes, entering step 13; if not, judging whether the code of the file to be transmitted is consistent with the code of the file transmitted for one time;
step 9, if the code of the file to be transmitted is consistent with the code of the file transmitted once, recording that the transmission is successful once, and entering step 10;
if the code of the file to be transmitted is not consistent with the code of the file transmitted for one time, recording the transmission failure for one time, and returning to the step 6;
step 10, transmitting the primary transmission file from the target node to the source node, generating a secondary transmission file, and encoding the secondary transmission file; the MD5 coding tool is adopted to carry out MD5 coding on the file;
step 11, judging whether the time is overtime; if yes, entering step 13; if not, judging whether the codes of the primary transmission files are consistent with the codes of the secondary transmission files;
step 12, if the code of the primary transmission file is consistent with the code of the secondary transmission file, recording that the transmission is successful once, and returning to the step 6;
if the code of the primary transmission file is not consistent with the code of the secondary transmission file, recording the transmission failure once, and returning to the step 10;
and step 13, finishing the test.
As shown in fig. 2, the present invention further provides a system for verifying data consistency under network pressure, which includes a test tool detection module 1, a test tool installation module 2, a to-be-transmitted file provision module 3, a node setting module 4, a test start module 5, a transmission bandwidth setting module 6, an encoding module 7, a file transmission module 8, a file judgment module 9, a transmission result recording module 10, an timeout threshold setting module 11, and a timeout judgment module 12;
the test tool detection module 1 is used for judging whether a test tool is installed or not; the test tool adopts an iperf test tool;
the test tool installation module 2 is used for downloading and installing the test tool under the condition that the test tool is not installed;
the file to be transmitted provides the module 3, is used for downloading the file to be transmitted;
a node setting module 4, configured to set a source node and a target node;
the test starting module 5 is used for starting the test tool to start testing;
a transmission bandwidth setting module 6, configured to set a transmission bandwidth; the set transmission bandwidth is more than or equal to 90% of the total bandwidth of the network; the encoding module 7 is used for encoding the file; the MD5 coding tool is adopted to carry out MD5 coding on the file;
the file transmission module 8 is used for realizing the transmission of the file from one node to another node;
the file judging module 9 is used for judging whether the two files are consistent after being coded;
a transmission result recording module 10, configured to record a transmission result, record that transmission is successful once if the codes of the files before and after transmission are consistent, and record that transmission is failed once if the codes of the files before and after transmission are inconsistent;
an overtime threshold setting module 11, configured to set a test execution time threshold;
the overtime judging module 12 is used for judging whether the test is overtime or not, and if the test execution time threshold is exceeded, setting overtime; if the test execution time threshold is not exceeded, no timeout is set.
Example 1 is an example to which the method of verifying data consistency under network pressure shown in figure 1 is applied,
firstly, environment preparation, downloading and installing iperf software and test
#！/bin/bash
iperf–v
if[$？–ne 0]；then
# download Iverf software
wget http://100.2.36.3/tool/iperf-2.0.5.tgz
fi
# download test, bin File
wget–O/root/test/bin http://100.2.36.3/tool/test.bin
ip_src＝1.1.1.1
ip_dst＝1.1.1.2
Second, opening pressure test
Turning on iperf service on node B
echo“nohup iperf–s–w 256k&”>>scripts.sh
scp scripts.sh${ip_dst}:/root
ssh-f root@${ip_dst}./scripts.sh
# opening iperf on node A
nohup iperf–c${ip_dst}–i 1–w 256k–t 3600–P 4>>result-iperf.txt&
Thirdly, starting a background timing program
Log outputs a count character to count every second
cat count.sh<<EOF
for count in range(3600):
do
sleep 1
echo“count”>>count.log
done
killall-9sh
killall-9iperf
EOF
Fourth, start transmission test
cp/root/test.bin.
Transmission function of # from A to B
function fromAtoB{
Bin MD5 value generated at node a of original test
P＝`md5sum test.bin`
# copied from A to B
scp test.bin${ip_dst}:/root
Calculate MD5 value Q of bin for node B test
Q＝`ssh–f root@${ip_dst}md5sum test.bin`
}
Transmission function of # from B to A
function fromBtoA{
Bin MD5 value generated at node B
Q＝`ssh–f root@${ip_dst}md5sum test.bin`
# copied from B to A
ssh–f root@${ip_dst}scp test.bin${ip_dst}:/root
Calculate MD5 value R of bin for node a
R＝`md5sum test.bin`
}
# start transmission from A to B
while:；
do
fromAtoB
if[P–ne Q]；then
echo“from${ip_src}to${ip_dst}is FAIL”>>log.log
fromAtoB
else
echo“from${ip_src}to${ip_dst}is PASS”>>log.log
# start transmission from B to A
fromBtoA
if[P–ne Q]；then
echo“from${ip_dst}to${ip_src}is FAIL”>>log.log
fromBtoA
else
echo“from${ip_src}to${ip_dst}is PASS”>>log.log
fi
fi
done
MD5 is called Message Digest Algorithm (Message-Digest Algorithm 5), which calculates the information with any length bit by bit to generate a "fingerprint" (or "Message Digest") with a binary length of 128 bits (32 bits in hexadecimal length), and the probability of generating the same Message Digest by different files is very small, generally speaking, after L inux is installed, there is a MD5sum tool, which runs directly at the end of the command line.
iperf, a network performance testing tool. Iperf can test the maximum TCP and UDP bandwidth performance, has various parameters and UDP characteristics, can be adjusted according to the requirements, and can report the bandwidth, delay jitter and data packet loss.
The embodiments of the present invention are illustrative rather than restrictive, and the above-mentioned embodiments are only provided to help understanding of the present invention, so that the present invention is not limited to the embodiments described in the detailed description, and other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the protection scope of the present invention.
Claims (10)
1. A method for verifying data consistency under network pressure is characterized by comprising the following steps:
step 1, judging whether a test tool is installed or not;
if the installation is finished, entering the step 2; if not, downloading and installing a test tool;
step 2, downloading a file to be transmitted;
step 3, setting a source node and a target node;
step 4, starting the test tool to start testing;
step 5, setting transmission bandwidth;
step 6, coding the file to be transmitted at the source node to generate a file coding file to be transmitted;
step 7, transmitting the file to be transmitted from the source node to the target node, generating a primary transmission file, and encoding the primary transmission file;
step 8, judging whether the code of the file to be transmitted is consistent with the code of the file transmitted for one time;
step 9, if the code of the file to be transmitted is consistent with the code of the file transmitted once, recording that the transmission is successful once, and entering step 10;
if the code of the file to be transmitted is not consistent with the code of the file transmitted for one time, recording the transmission failure for one time, and returning to the step 6;
step 10, transmitting the primary transmission file from the target node to the source node, generating a secondary transmission file, and encoding the secondary transmission file;
step 11, judging whether the code of the primary transmission file is consistent with the code of the secondary transmission file;
step 12, if the code of the primary transmission file is consistent with the code of the secondary transmission file, recording that the transmission is successful once, and returning to the step 6;
if the code of the primary transmission file is not consistent with the code of the secondary transmission file, recording the transmission failure once, and returning to the step 10.
2. The method for verifying data consistency under network pressure as recited in claim 1,
step 5, setting a test time threshold and starting timing;
before the step of judging the data consistency in the step 8 and the step 11, the method also comprises a step of judging whether the time is overtime;
if the test time exceeds the test time threshold, judging that the test is over time, and ending the test; if the time does not exceed the test time threshold, judging that the time is not overtime, and continuing to carry out the next step.
3. The method for verifying data consistency under network pressure as recited in claim 1, wherein the test tool is an iperf test tool.
4. The method for verifying data consistency under network pressure as claimed in claim 1, wherein the transmission bandwidth is set to be equal to or greater than 90% of the total bandwidth of the network in step 5.
5. The method for verifying data consistency under network pressure as claimed in claim 1, wherein in the steps 6 and 10, the files are MD5 encoded by using MD5 encoding tool.
6. A system for verifying data consistency under network pressure is characterized by comprising a test tool detection module, a test tool installation module, a file providing module to be transmitted, a node setting module, a test starting module, a transmission bandwidth setting module, an encoding module, a file transmission module, a file judgment module and a transmission result recording module;
the test tool detection module is used for judging whether a test tool is installed or not;
the test tool installation module is used for downloading and installing the test tool under the condition that the test tool is not installed;
the file providing module to be transmitted is used for downloading the file to be transmitted;
the node setting module is used for setting a source node and a target node;
the test starting module is used for starting the test tool to start testing;
the transmission bandwidth setting module is used for setting transmission bandwidth;
the encoding module is used for encoding the file;
the file transmission module is used for realizing the transmission of the file from one node to another node;
the file judging module is used for judging whether the two files are consistent after being coded;
and the transmission result recording module is used for recording the transmission result, recording the transmission success once if the codes of the files before and after transmission are consistent, and recording the transmission failure once if the codes of the files before and after transmission are inconsistent.
7. The system for verifying data consistency under network pressure as recited in claim 6, further comprising a timeout threshold setting module and a timeout determining module;
the overtime threshold setting module is used for setting a test execution time threshold;
the overtime judging module is used for judging whether the test is overtime or not, and setting overtime if the test execution time threshold is exceeded; if the test execution time threshold is not exceeded, no timeout is set.
8. The system for verifying data consistency under network pressure as recited in claim 6, wherein the testing tool is an iperf testing tool.
9. The system for verifying data consistency under network pressure as recited in claim 6, wherein the transmission bandwidth setting module sets the transmission bandwidth to be equal to or greater than 90% of the total bandwidth of the network.
10. The system for verifying data consistency under network pressure as recited in claim 6, wherein the encoding module is configured to perform MD5 encoding on the file using MD5 encoding tools.
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| CN103595559A (en) * | 2013-11-05 | 2014-02-19 | 深圳市远行科技有限公司 | System and method for transmitting big data and service system thereof |
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| CN1851659A (en) * | 2005-12-21 | 2006-10-25 | 华为技术有限公司 | Method for verifying data between main device and back-up device |
| CN103595559A (en) * | 2013-11-05 | 2014-02-19 | 深圳市远行科技有限公司 | System and method for transmitting big data and service system thereof |
| CN105763567A (en) * | 2016-04-19 | 2016-07-13 | 国网浙江省电力公司信息通信分公司 | LTE-network-based video monitoring system for station of transformer substation |
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