CN102957633A - Data packing and transmitting method and data packing and transmitting system for message-oriented middleware - Google Patents
Data packing and transmitting method and data packing and transmitting system for message-oriented middleware Download PDFInfo
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- CN102957633A CN102957633A CN2011102405992A CN201110240599A CN102957633A CN 102957633 A CN102957633 A CN 102957633A CN 2011102405992 A CN2011102405992 A CN 2011102405992A CN 201110240599 A CN201110240599 A CN 201110240599A CN 102957633 A CN102957633 A CN 102957633A
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Abstract
The invention discloses a data packing and transmitting method and a data packing and transmitting system for message-oriented middleware and relates to the field of data communication. The method includes: firstly, packing message bodies and attachments to be sent into a message file by a messaging device, and during packing, enabling a file format recognition module to judge whether the packed attachments are in a compressed format or not, directly packing the attachments into the message file if yes, and otherwise, compressing the attachments prior to packing the attachments into the message file; then, sending the message file to a message receiving device through a data exchange server, and enabling the message receiving device to directly unpack according to compression markers of the attachments or unpack firstly and decompress to obtain the attachments, so that one-time message transmission process is completed. By the aid of the method and the system, compressed files and non-compressed files in a message attachment list can be handled differentially, and the files in the compressed format are packed directly without being compressed, so that resources of a CPU (central processing unit) are saved; and the files in a non-compressed format are compressed prior to being packed, so that data size transmitted on the network is reduced, and transmission efficiency is improved.
Description
Technical field
The present invention relates to the data communication technology field, be specifically related to a kind of data packing transmission method and system of message-oriented middleware.
Background technology
In order to carry out exchanges data, usually can or directly be packaged into a file destination with a plurality of compressing files, then exchange by movable storage device or by the Internet.When a plurality of files are packed, file part file for the needs packing is the file of compressed format, and other a part of file is when being non-compressed format files, to the file of compressed format such as the file of JPG and GIF form, it is very limited to compress compression ratio during packing again, can waste cpu resource; And to file such as the BMP file of unpacked format, directly do not carry out exchanges data then can waste a large amount of memory spaces or network bandwidth resources if do not compress.In the prior art, when a plurality of files being packed into a file destination, or the All Files that will pack comprised that the file of compressed format all compresses, such as ZIP format compression instrument and rar format compression instrument; The file that the file that will pack is comprised unpacked format does not compress, such as tar format compression instrument.The former can cause wasting cpu resource, and latter can cause wasting memory space and network bandwidth resources.For described exchanges data problem, effective solution is proposed not yet at present in the prior art.
Summary of the invention
For the defective that exists in the prior art, the object of the present invention is to provide a kind of data packing transmission method and system of message-oriented middleware, the method and system by treating compressed format with a certain discrimination file and the file of unpacked format, realize efficient exchanges data and resource-sharing.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of data packing transmission method of message-oriented middleware may further comprise the steps:
(1) the message dispensing device receives message body and the accessories list that the user need to send;
(2) the message packetization module in the message dispensing device is packaged into message file with message body and the accessories list that the user need to send, during packing, file format identification module in the message dispensing device judges whether packaged annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, and message file is advanced in packing after the annex compression;
(3) the message dispensing device sends to the data exchange service device with packed message file;
(4) the data exchange service device is transmitted to message receiving apparatus with the message file that receives;
(5) message receiving apparatus unpacks the message file that receives and obtains message body and accessories list; Wherein, the concrete steps that unpack the accessories list of message file packing are:
Check the compact token of annex, if the compact token of annex is false, then directly unpacks and obtain annex; If the compact token of annex is true, then unpacks rear decompression and obtain annex.
Further, the data of aforesaid a kind of message-oriented middleware packing transmission method, in the step (2), the concrete steps that annex are packaged into message file are:
(2-1) check whether accessories list is empty, if then enter step (3); Then obtain if not annex, enter step (2-2);
(2-2) the file format identification module in the message dispensing device judges whether annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, and message file is advanced in packing after the annex compression;
(2-3) judge whether to exist next annex, if return step (2-2) after then obtaining annex, then enter if not step (3).
Further, the data of aforesaid a kind of message-oriented middleware packings transmission method, in the step (2-2), describedly judge that whether annex is that the concrete step of compressed format is:
Step a, file format identification module extract the file extension of annex;
Step b, determine according to the file extension of annex whether annex is compressed format: if file extension, determines then that annex is compressed format in the tabulation of compressed format extension name; If extension name, determines then that annex is unpacked format in the tabulation of unpacked format extension name.
Further, the data packing transmission method of aforesaid a kind of message-oriented middleware, among the step b, if file extent is by name empty, or file extension is not in the tabulation of compressed format extension name and the tabulation of unpacked format extension name, then extract the data from the sample survey of annex, data from the sample survey is compressed, determined compression ratio, if compression ratio is greater than the threshold value of setting, determining that then annex is unpacked format, is compressed format otherwise set annex;
Described compression ratio refers to the data from the sample survey for annex, the data length before its compression and the ratio of the data length after the compression, and described compression ratio is larger, and the expression compression ratio is higher.
Further again, the data packing transmission method of aforesaid a kind of message-oriented middleware, in the step (4), the message file that data exchange service device receipt message dispensing device sends, and obtain the message sink end according to routing rule, message file is transmitted to message receiving apparatus.
Further, the data of aforesaid a kind of message-oriented middleware packing transmission method, the file send mode in step (3) and the step (4) are that disposable transmission or subpackage breakpoint transmission send.
For realizing said method, the present invention also provides a kind of data packing transmission system of message-oriented middleware, comprising:
Message dispensing device: be used for receiving message body and the accessories list that the user need to send, the compact token of annex is set, message body and accessories list are packaged into message file, packed message file is sent to the data exchange service device;
Data exchange service device: be used for the message file that the receipt message dispensing device sends, and the message file that receives is transmitted to message receiving apparatus;
Message receiving apparatus: be used for the message file that the receive data swap server is transmitted, and message file unpacked obtain message body and accessories list.
Further, the data of aforesaid a kind of message-oriented middleware packing transmission system, described message dispensing device comprises the file format identification module, is used for judging the type of packaged annex; Described type of attachment comprises compressed format and unpacked format.
Further again, the data packing transmission system of aforesaid a kind of message-oriented middleware, described message dispensing device also comprises the message packetization module, is used for message body and accessories list are packed into message file.
Further, the data of aforesaid a kind of message-oriented middleware packing transmission system, when annex was packaged into message file, according to file format identification module recognition result, the compact token of compressed format annex was set to vacation, and annex is directly packed; The compact token of unpacked format annex is set to very, with again packing after the annex compression.
Further, the data packing transmission system of aforesaid a kind of message-oriented middleware, the message packetization module is when packing to annex, compact token is write in the message file, if the compact token of message receiving apparatus annex when unpacking is false, then annex is directly unpacked, if the compact token of annex is true, decompress again after then annex being unpacked.
Effect of the present invention is: data packing transmission method and the system of a kind of message-oriented middleware of the present invention, when a plurality of files being packed transmission, can treat the file of compressed format and the file of unpacked format with a certain discrimination, file to compressed format no longer compresses, directly message file is advanced in packing, saves cpu resource; To the file of unpacked format, with the message file of packing again behind the compressing file, saved a large amount of memory spaces and network bandwidth resources, realize efficient exchanges data and resource-sharing by the Internet.
Description of drawings
Fig. 1 is the structured flowchart of the data packing transmission system of a kind of message-oriented middleware in the embodiment of the present invention;
Fig. 2 is the workflow diagram of the data packing transmission system of a kind of message-oriented middleware in the embodiment of the present invention;
Fig. 3 is the flow chart of the data packing transmission of a kind of message-oriented middleware in the embodiment of the present invention;
Fig. 4 is the workflow diagram of embodiment of the present invention File format identification module;
Fig. 5 is the workflow diagram of message dispensing device in the embodiment of the present invention;
Fig. 6 is the workflow diagram of message receiving apparatus in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with Figure of description and embodiment.
Fig. 1 shows the structured flowchart of the data packing transmission system of a kind of message-oriented middleware of the present invention, and this system comprises:
Message dispensing device 11: be used for receiving message body and the accessories list that the user need to send, the compact token of annex is set, message body and accessories list are packaged into message file, and packed message file is sent to the data exchange service device;
Data exchange service device 12: be used for the message file that the receipt message dispensing device sends, and the message file that receives is transmitted to message receiving apparatus;
Message receiving apparatus 13: be used for the message file that the receive data swap server is transmitted, and message file unpacked obtain message body and accessories list.
Wherein, the message dispensing device also comprises be used to judging that packaged type of attachment is the file format identification module of compressed format or unpacked format, and is used for message body and accessories list are packed into the message packetization module of message file.
Whether at first, message dispensing device 11 receives message body and the accessories list that users need to send, and be compressed format according to annex, with packing after the annex compression or directly be bundled to message file, message file is sent to data exchange service device 12; When packing, if annex is compressed format, the compact token that annex then is set is false, if annex is unpacked format, the compact token that annex then is set is true, and this compact token is write in the message file, message receiving apparatus carries out according to this compact token when annex is unpacked just;
Then, data exchange service device 12 receives message file, obtains the message sink end according to routing rule, and message file is transmitted to message receiving apparatus 13;
At last, message receiving apparatus 13 receives message file, message file is unpacked obtain message body and accessories list, finishes message transmitting procedure one time.When unpacking annex, if the compact token of annex is false, then annex is directly unpacked, if the compact token of annex is true, decompress again after then annex being unpacked.
Fig. 3 shows the flow chart based on the data packing transmission method of the data packing transmission system of message-oriented middleware among Fig. 1 and Fig. 2, and the method may further comprise the steps:
Step S31: receipt message body and accessories list;
Step S32: message body and accessories list are packaged into message file;
Message packetization module in the message dispensing device 11 is packaged into message file with message body and the accessories list that the user need to send, during packing, file format identification module in the message dispensing device judges whether packaged annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, and message file is advanced in packing after the annex compression; Wherein, the concrete steps that annex are packaged into message file are:
I) check whether accessories list is empty, if then enter step S33; Then obtain if not annex, enter step I i);
Ii) the file format identification module in the message dispensing device judges whether annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, will be bundled to message file after the annex compression;
Iii) judge whether to exist next annex, if then obtain annex, return step I i), then enter if not step S33.
Wherein, the file format identification module judge annex whether be compressed format workflow diagram as shown in Figure 4:
At first, the file format identification module extracts the file extension of annex;
Then, check the file extension of annex determines whether annex is compressed format: if file extension, determines then that annex is compressed format in the tabulation of compressed format extension name; If extension name, determines then that annex is unpacked format in the tabulation of unpacked format extension name.
By name empty for file extent, or file extension is not when the tabulation of compressed format extension name and the tabulation of unpacked format extension name, then extract the data from the sample survey of annex, data from the sample survey is compressed, determine compression ratio, if compression ratio greater than the threshold value of setting, determines that then annex is unpacked format, is compressed format otherwise set annex; Compression ratio refers to the data from the sample survey for annex, data length before its compression and the ratio of the data length after the compression, compression ratio is larger, illustrate that compression ratio is higher, and threshold value is to be set as required by the user, in theory, the value of threshold value is that positive number is just passable, but in the application process for reality, threshold value should greater than 1, generally get final product greater than 1.5.。
Fig. 5 shows the concrete workflow diagram of message dispensing device 11, i.e. step S31 and step S32.
Step S33: message file is sent to the data exchange service device;
Step S34: data exchange service device receipt message file is also transmitted;
Data exchange service device 12 is transmitted to message receiving apparatus 13 with the message file that receives, it is the message file that data exchange service device 12 receipt message dispensing devices 11 send, and obtain the message sink end according to routing rule, message file is transmitted to message receiving apparatus 13.
Step S35: unpack message file and obtain message body and accessories list.
At first, message receiving apparatus 13 receipt message files, and obtain message body and accessories list after message file unpacked;
Then, accessories list is unpacked: if accessories list then finishes transmission of messages one time for empty; Otherwise the compact token of obtaining annex and checking annex if the compact token of annex is false, then directly unpacks and obtains annex; If the compact token of annex is true, then unpacks rear decompression and obtain annex; Until obtain all annexes.
Below in conjunction with specific embodiment the present invention is described in more detail.
Embodiment 1
Step 1: the message body " Test " that message dispensing device 11 reception users will send and the accessories list that comprises three annexes, three attachment files names are respectively tree.jpg, river.bmp and fit.exe;
Step 2: message dispensing device 12 is bundled to message body " Test " message file of CM7Z7BYJ0001.dat by name; Whether be compressed format according to annex, respectively annex is bundled to above-mentioned message file, annex tree.jpg expansion " jpg " by name, in predefined compressed format extension name tabulation, so determine that tree.jpg is compressed format, its compact token is set to vacation, directly it is packed into the message file of CM7Z7BYJ0001.dat by name; River.bmp expansion " bmp " by name, in predefined unpacked format extension name, its compact token is set to very, with its compression, then it is packed into the message file of CM7Z7BYJ0001.dat by name; For " fit.exe " file, because in reality, the file of " exe " extension name may be compressed format, also may be unpacked format, at this moment, at first the fit.exe annex be extracted the data of 4096 bytes, these data are compressed, obtain compression ratio with the data length before the compression divided by the data length after compressing, in the present embodiment, suppose that the rear data length of compression is 688 bytes, compression ratio is 4096/688 so, namely 5.95; Then check that whether compression ratio is greater than the threshold value of setting, getting threshold value in the present embodiment is 1.5, obviously compression ratio 5.95 is greater than 1.5, determine that so fit.exe is unpacked format, its compact token is set to very, with its compression, then it is packed into the message file of CM7Z7BYJ0001.dat by name first;
Step 3: disposable or subpackage breakpoint transmission sends to data exchange service device 12 to message dispensing device 11 with the message file of packed CM7Z7BYJ0001.dat by name;
Step 4: data exchange service device 12 is received behind the CM7Z7BYJ0001.dat message file by name it is disposable or subpackage is transmitted to message receiving apparatus 13;
Step 5: the message file of the CM7Z7BYJ0001.dat by name that message receiving apparatus 13 receive data swap servers 12 are transmitted, message file unpacked obtain message body " Test ", when the accessories list of processing after packing, to first annex, annex is called tree.jpg, its compact token is false, is unpacked format, therefore it directly is unpacked in the file of tree.jpg; To second annex, annex is called river.bmp, and its compact token is true, is compressed format, it is unpacked and is decompressed to the river.bmp file; To the 3rd annex fit.exe by name, its compact token is true, is compressed format, it is unpacked be decompressed to the fit.exe file again, so far finishes message transmitting procedure one time.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technology thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the data of message-oriented middleware packings transmission method may further comprise the steps:
(1) the message dispensing device receives message body and the accessories list that the user need to send;
(2) the message packetization module in the message dispensing device is packaged into message file with message body and the accessories list that the user need to send, during packing, file format identification module in the message dispensing device judges whether packaged annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, and message file is advanced in packing after the annex compression;
(3) the message dispensing device sends to the data exchange service device with packed message file;
(4) the data exchange service device is transmitted to message receiving apparatus with the message file that receives;
(5) message receiving apparatus unpacks the message file that receives and obtains message body and accessories list; Wherein, the concrete steps that unpack the accessories list of message file packing are:
Check the compact token of annex, if the compact token of annex is false, then directly unpacks and obtain annex; If the compact token of annex is true, then unpacks rear decompression and obtain annex.
2. the data of a kind of message-oriented middleware as claimed in claim 1 packings transmission method, it is characterized in that: in the step (2), the concrete steps that annex are packaged into message file are:
(2-1) check whether accessories list is empty, if then enter step (3); Then obtain if not annex, enter step (2-2);
(2-2) the file format identification module in the message dispensing device judges whether annex is compressed format, if then the compact token of annex is set to vacation, message file is advanced in the direct packing of annex; Then the compact token of annex is set to very if not, and message file is advanced in packing after the annex compression;
(2-3) judge whether to exist next annex, if return step (2-2) after then obtaining annex, then enter if not step (3).
3. the data of a kind of message-oriented middleware as claimed in claim 2 packings transmission method is characterized in that: in the step (2-2), describedly judge that whether annex is that the concrete step of compressed format is:
Step a, file format identification module extract the file extension of annex;
Step b, determine according to the file extension of annex whether annex is compressed format: if file extension, determines then that annex is compressed format in the tabulation of compressed format extension name; If extension name, determines then that annex is unpacked format in the tabulation of unpacked format extension name.
4. the data of a kind of message-oriented middleware as claimed in claim 3 packings transmission method, it is characterized in that: among the step b, if file extent is by name empty, or file extension do not tabulate in compressed format extension name tabulation and unpacked format extension name, then extracts the data from the sample survey of annex, and data from the sample survey is compressed, determine compression ratio, if compression ratio greater than the threshold value of setting, determines that then annex is unpacked format, is compressed format otherwise set annex;
Described compression ratio refers to the data from the sample survey for annex, the data length before its compression and the ratio of the data length after the compression.
5. the data of a kind of message-oriented middleware as claimed in claim 1 packings transmission method, it is characterized in that: in the step (4), the message file that described data exchange service device receipt message dispensing device sends, and obtain the message sink end according to routing rule, message file is transmitted to message receiving apparatus.
6. the data of a kind of message-oriented middleware as claimed in claim 1 packings transmission method, it is characterized in that: the file send mode in step (3) and the step (4) is disposable transmission or subpackage breakpoint transmission transmission.
7. the data of message-oriented middleware packings transmission system comprises:
Message dispensing device: be used for receiving message body and the accessories list that the user need to send, the compact token of annex is set, message body and accessories list are packaged into message file, packed message file is sent to the data exchange service device;
Data exchange service device: be used for the message file that the receipt message dispensing device sends, and the message file that receives is transmitted to message receiving apparatus;
Message receiving apparatus: be used for the message file that the receive data swap server is transmitted, and message file unpacked obtain message body and accessories list.
8. the data of a kind of message-oriented middleware as claimed in claim 7 packings transmission system, it is characterized in that: described message dispensing device comprises the file format identification module, is used for judging the type of packaged annex; Described type of attachment comprises compressed format and unpacked format.
9. the data of a kind of message-oriented middleware as claimed in claim 7 packings transmission system, it is characterized in that: described message dispensing device also comprises the message packetization module, is used for message body and accessories list are packed into message file.
10. such as the data of one of claim 7-9 described a kind of message-oriented middleware packing transmission system, it is characterized in that: when annex is packaged into message file, according to file format identification module recognition result, the compact token of compressed format annex is set to vacation, and annex is directly packed; The compact token of unpacked format annex is set to very, with again packing after the annex compression.
11. the data of a kind of message-oriented middleware as claimed in claim 10 packing transmission system, it is characterized in that: the message packetization module is when packing to annex, compact token is write in the message file, if the compact token of message receiving apparatus annex when unpacking is false, then annex is directly unpacked, if the compact token of annex is true, then annex is unpacked rear decompression.
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Application publication date: 20130306 |