CN106878431B - Method and device for converting node communication message format in distributed system - Google Patents
Method and device for converting node communication message format in distributed system Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a method for converting node communication message format in a distributed system, which comprises the following steps: acquiring a message with a format to be converted; converting a message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field; and sending the successfully converted message to the message corresponding area. The invention also discloses a device for converting the node communication message format in the distributed system. The invention realizes the problems of high efficiency and reliability in the network communication transmission process in the distributed system.
Description
Technical Field
The invention relates to the technical field of distributed system communication, in particular to a method and a device for converting a node communication message format in a distributed system.
Background
With the development of the internet in a wider and wider direction, the application of computers and information systems in various industries is more and more extensive, and the requirements are higher and higher. Compared with a centralized system, the distributed system has the characteristics of parallel application, high performance, high reliability and the like, so that the distributed system is widely applied to the technical field of computers such as an operating system, a file system, a database system and the like.
However, the distributed system also has its drawbacks, and a great one of them is the network communication problem, and how to ensure the high efficiency and reliability of information in the communication transmission process becomes an urgent problem to be solved.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a method for converting node communication message formats in a distributed system, and aims to solve the problems of high efficiency and reliability in the network communication transmission process in the distributed system.
The invention provides a method for converting node communication message format in a distributed system, which comprises the following steps:
acquiring a message with a format to be converted;
converting a message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field;
and sending the successfully converted message to the message corresponding area.
Preferably, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, and further includes:
and extracting the message description content and saving the message description content to a header field.
Preferably, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, and further includes:
extracting message metadata and a message text, storing the message metadata to an effective data area of a message field, and storing the extracted message text to an additional data area of the message field;
and if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
Preferably, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, and further includes:
extracting the data storage capacity of an effective data area, a middle data area and an additional data area of the message field;
and saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
Preferably, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, and further includes:
and extracting the signature values and the marking bits of the effective data area, the middle data area and the additional data area of the message field, and storing the signature values and the marking bits to the tail field.
In addition, to achieve the above object, the present invention further provides a device for converting a node communication message format in a distributed system, including:
the acquisition module is used for acquiring the message of the format to be converted;
the conversion module is used for converting the message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field;
and the sending module is used for sending the successfully converted message to the corresponding area of the message.
Preferably, the apparatus further comprises: and the header field module is used for extracting the message description content and storing the message description content in the header field.
Preferably, the apparatus further comprises: a message field module, wherein the message field module comprises: valid data unit, intermediate data unit, and additional data unit:
the effective data unit is also used for extracting message metadata and storing the message metadata to an effective data area of a message field;
the additional data unit is also used for extracting a message text and storing the message text in an additional data area of a message field;
the intermediate data unit is also used for acquiring the data volume of the message metadata and the message text; if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
Preferably, the header field module is further configured to extract data storage capacities of a valid data area, an intermediate data area, and an additional data area of the message field; and the data storage device is also used for saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
Preferably, the apparatus further comprises: and the tail field module is used for extracting the signature values and the mark bits of the effective data area, the middle data area and the additional data area of the message field and storing the signature values and the mark bits to the tail field.
The invention obtains the information of the format to be converted; converting a message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field; and sending the successfully converted message to the message corresponding area. The problems of high efficiency and reliability in the network communication transmission process in the distributed system are solved.
Drawings
FIG. 1 is a flowchart illustrating a first embodiment of a method for converting a node communication message format in a distributed system according to the present invention;
FIG. 2 is a diagram illustrating a node communication message structure;
FIG. 3 is a diagram illustrating a structure of a header field in a node communication message format;
FIG. 4 is a diagram illustrating a structure of a message field in a node communication message format;
FIG. 5 is a diagram illustrating a tail field structure in a node communication message format;
fig. 6 is a functional block diagram illustrating a first embodiment of an apparatus for converting a node communication message format in a distributed system according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Based on the above problem, the present invention provides a method for converting node communication message format in a distributed system.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for converting a node communication message format in a distributed system according to a first embodiment of the present invention.
In one embodiment, the method comprises:
step S10, obtaining the message of the format to be converted;
in this embodiment, a message that needs format conversion currently is obtained, where the message is from an electronic terminal that has a message transmission requirement or another electronic terminal associated with the electronic terminal; the currently acquired message includes message contents in different forms, such as language, text, image or data.
Step S20, converting the message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field;
and converting the acquired message with the format to be converted into a node communication message format according to a message conversion function, wherein the message conversion function is currently set and is a message conversion function according to the node communication message format, or is a message conversion device, and the message conversion function is strictly set according to the current node communication message format so as to convert the message content into the node communication message format with the correct format for communication transmission. The node communication message format specifically comprises a head field, a message field and a tail field; considering the current message receiving time, and keeping the data receiving time stamp of the current message, namely the time stamp (recv _ stamp) of starting to receive data and the time stamp (recv _ complete) of receiving the press; referring to fig. 2, fig. 2 is a schematic diagram illustrating a structure of a node communication message.
Further, the converting the message into a node communication message format according to the message format, where the message format includes a header field, a message field, and a tail field, further includes:
and extracting the message description content and saving the message description content to a header field.
Extracting the description content of the message from the acquired message, wherein the description content of the message comprises the general information of the specific information of the message, namely the message attribute content, extracting the description content of the message, extracting the message attribute content of the message by using a message conversion function, and storing the message attribute content into a header field memory. The content of the message attribute is actually referred to as message basic list information, and the content includes a message type (type), a message priority (priority), a message encoding version (version), a data offset (date _ off), a check value (crc), a message source address (src), a message sequence number (seq) of the current call and a sequence number (tid) of the message session, as can be seen from fig. 3, fig. 3 is a schematic diagram of a header field structure in a node communication message format.
Further, the converting the message into a node communication message format according to the message format, where the message format includes a header field, a message field, and a tail field, further includes:
extracting message metadata and a message text, storing the message metadata to an effective data area of a message field, and storing the extracted message text to an additional data area of the message field;
extracting message metadata from the acquired message, and storing the message metadata into an effective data area in a message field, wherein the effective data area is a data storage area which is divided from the message field and is used for storing the message metadata; the message metadata is basic data of a currently acquired message, namely a message source acquired from an electronic terminal; then extracting the message text and storing the message text in an additional data area in the message field, wherein the additional data area is a data storage area which is divided from the message field and used for storing the message text; the message text is the main content of the message, the main content of the message is the current message conversion function, and the message text content is extracted according to the acquired message data. The effective data area of the stored message metadata and the additional data area of the stored message text are message storage modules in a node communication message format.
And if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
In the effective data area where the message metadata are stored and the additional data area where the message text is stored, the two areas are used for data storage and are data storage areas with size not fixed in the data storage space; when the corresponding message data are stored in the current effective data area and the additional data area, the data volume of the message content to be stored in the current effective data area and the additional data area is obtained, namely the extracted message metadata and the message data volume of the message text are obtained; if the message data volume of the current message metadata and the message text is larger than the data storage capacity of the effective data area and the additional data area for storing the content of the current message metadata and the message text, namely the data storage capacity of the current effective data area and the additional data area is not enough, the data storage capacity of the middle data area in the message field is extracted to expand the data storage capacity of the effective data area and the additional data area. In this way, the data storage capacity of the intermediate data area is used to expand the data storage capacity of the effective data area and the additional data area. In the node communication message format, the message field includes an effective data area, an intermediate data area, and an additional data area, as shown in fig. 4, and fig. 4 is a schematic diagram of a structure of the message field in the node communication message format.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
extracting the data storage capacity of an effective data area, a middle data area and an additional data area of the message field;
after the effective data area for storing the message metadata and the additional data area for storing the message text in the message field store the message data and the data storage capacity of the intermediate data area is used as the expansion capacity of the effective data area and the additional data area, namely after the data storage capacities of the current original effective data area, the additional data area and the intermediate data area are changed, the data storage capacities of the effective data area, the intermediate data area and the additional data area are extracted.
And saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
The extracted data storage capacities of the valid data area, the intermediate data area, and the additional data area in the message field are stored in the header field, and the data storage capacities are used as data storage identifiers of the node communication message format in the distributed system, as can be seen from fig. 3, where fig. 3 is a schematic diagram of a structure of the header field in the node communication message format.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
and extracting the signature values and the marking bits of the effective data area, the middle data area and the additional data area of the message field, and storing the signature values and the marking bits to the tail field.
Extracting message content and storing the message content in a data storage area of a message field in a node communication message format, namely an effective data area for storing message metadata, an additional data area for storing a message text and an intermediate data area for expanding the data storage capacity of the effective data area and the additional data area by taking the data storage capacity of the data storage area as supplementary capacity; and respectively generating verification information, a data signature value (sig) and flag bits (flags) thereof according to information such as message contents and area data capacity stored in the effective data area, the additional data area and the intermediate data area. The data signature value (sig) and the flag bits (flags) thereof are generated according to a preset format according to the message content and the data storage capacity stored in the effective data area, the additional data area and the intermediate data area. The preset format is a data signature value (sig) and flag bits (flags) generation format set in the current message format conversion function and is used for generating the data signature value (sig) and flag bits (flags) in the standard format. Referring to fig. 5, fig. 5 is a diagram illustrating a structure of a tail field in a node communication message format.
And step S30, sending the successfully converted message to the message corresponding area.
And according to the message sending function of the electronic terminal where the current node communication message is located, sending the converted message to a required area corresponding to the message, and completing node communication message transmission.
In this embodiment, after the obtained message content is converted into the node communication message format by using the message conversion format, the message that has been successfully converted is sent to the corresponding required area of the message by using the message sending function. The key point is the node communication message format, the successfully converted node communication message content is sent, the message transmission efficiency is improved, and the leakage possibility in the message transmission process is reduced.
The executing body of the method for converting the node communication message format in the distributed system according to the first to second embodiments may be an electronic device with a message transmission requirement or an electronic device capable of building a distributed file system. The electronic device may include, but is not limited to, a cell phone, a pad, a notebook computer, etc.
The invention further provides a device for converting the node communication message format in the distributed system.
Referring to fig. 6, fig. 6 is a functional module diagram of an apparatus for converting a node communication message format in a distributed system according to a first embodiment of the present invention.
In one embodiment, the apparatus comprises: an acquisition module 10, a translation module 20, a header field module 30, a message field module 40, a trailer field module 50, and a sending module 60.
An obtaining module 10, configured to obtain a message in a format to be converted;
in this embodiment, a message that needs format conversion currently is obtained, where the message is from an electronic terminal that has a message transmission requirement or another electronic terminal associated with the electronic terminal; the currently acquired message includes message contents in different forms, such as language, text, image or data.
A conversion module 20, configured to convert a message into a node communication message format, where the node communication message includes a header field, a message field, and a tail field;
and converting the acquired message with the format to be converted into a node communication message format according to a message conversion function, wherein the message conversion function is currently set and is a message conversion function according to the node communication message format, or is a message conversion device, and the message conversion function is strictly set according to the current node communication message format so as to convert the message content into the node communication message format with the correct format for communication transmission. The node communication message format specifically comprises a head field, a message field and a tail field; considering the current message receiving time, and keeping the data receiving time stamp of the current message, namely the time stamp (recv _ stamp) of starting to receive data and the time stamp (recv _ complete) of receiving the press; referring to fig. 2, fig. 2 is a schematic diagram illustrating a structure of a node communication message.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
the device further comprises: and a header field module 30, configured to extract the message description content and store the message description content in the header field.
Extracting the description content of the message from the acquired message, wherein the description content of the message comprises the general information of the specific information of the message, namely the message attribute content, extracting the description content of the message, extracting the message attribute content of the message by using a message conversion function, and storing the message attribute content into a header field memory. The content of the message attribute is actually referred to as message basic list information, and the content includes a message type (type), a message priority (priority), a message encoding version (version), a data offset (date _ off), a check value (crc), a message source address (src), a message sequence number (seq) of the current call and a sequence number (tid) of the message session, as can be seen from fig. 3, fig. 3 is a schematic diagram of a header field structure in a node communication message format.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
the device further comprises: a message field module 40, wherein the message field module comprises: valid data unit 401, additional data unit 402, and intermediate data unit 403:
the valid data unit 401 is further configured to extract message metadata and store the message metadata in a valid data area of a message field;
the additional data unit 402 is further configured to extract a message body and store the message body in an additional data area of a message field;
extracting message metadata from the acquired message, and storing the message metadata into an effective data area in a message field, wherein the effective data area is a data storage area which is divided from the message field and is used for storing the message metadata; the message metadata is basic data of a currently acquired message, namely a message source acquired from an electronic terminal; then extracting the message text and storing the message text in an additional data area in the message field, wherein the additional data area is a data storage area which is divided from the message field and used for storing the message text; the message text is the main content of the message, the main content of the message is the current message conversion function, and the message text content is extracted according to the acquired message data. The effective data area of the stored message metadata and the additional data area of the stored message text are message storage modules in a node communication message format.
The intermediate data unit 403 is further configured to obtain message metadata and a data size of a message text; if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
In the effective data area where the message metadata are stored and the additional data area where the message text is stored, the two areas are used for data storage and are data storage areas with size not fixed in the data storage space; when the corresponding message data are stored in the current effective data area and the additional data area, the data volume of the message content to be stored in the current effective data area and the additional data area is obtained, namely the extracted message metadata and the message data volume of the message text are obtained; if the message data volume of the current message metadata and the message text is larger than the data storage capacity of the effective data area and the additional data area for storing the content of the current message metadata and the message text, namely the data storage capacity of the current effective data area and the additional data area is not enough, the data storage capacity of the middle data area in the message field is extracted to expand the data storage capacity of the effective data area and the additional data area. In this way, the data storage capacity of the intermediate data area is used to expand the data storage capacity of the effective data area and the additional data area. In the node communication message format, the message field includes an effective data area, an intermediate data area, and an additional data area, as shown in fig. 4, and fig. 4 is a schematic diagram of a structure of the message field in the node communication message format.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
the header field module 30 is further configured to extract data storage capacities of an effective data area, an intermediate data area, and an additional data area of the message field; and the data storage device is also used for saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
After the effective data area for storing the message metadata and the additional data area for storing the message text in the message field store the message data and the data storage capacity of the intermediate data area is used as the expansion capacity of the effective data area and the additional data area, namely after the data storage capacities of the current original effective data area, the additional data area and the intermediate data area are changed, the data storage capacities of the effective data area, the intermediate data area and the additional data area are extracted.
The extracted data storage capacities of the valid data area, the intermediate data area, and the additional data area in the message field are stored in the header field, and the data storage capacities are used as data storage identifiers of the node communication message format in the distributed system, as can be seen from fig. 3, where fig. 3 is a schematic diagram of a structure of the header field in the node communication message format.
Further, the converting the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, includes:
the device further comprises: and a tail field module 50, configured to extract the signature values and the flag bits of the valid data area, the middle data area, and the additional data area of the message field, and store the signature values and the flag bits in the tail field.
Extracting message content and storing the message content in a data storage area of a message field in a node communication message format, namely an effective data area for storing message metadata, an additional data area for storing a message text and an intermediate data area for expanding the data storage capacity of the effective data area and the additional data area by taking the data storage capacity of the data storage area as supplementary capacity; and respectively generating verification information, a data signature value (sig) and flag bits (flags) thereof according to information such as message contents and area data capacity stored in the effective data area, the additional data area and the intermediate data area. The data signature value (sig) and the flag bits (flags) thereof are generated according to a preset format according to the message content and the data storage capacity stored in the effective data area, the additional data area and the intermediate data area. The preset format is a data signature value (sig) and flag bits (flags) generation format set in the current message format conversion function and is used for generating the data signature value (sig) and flag bits (flags) in the standard format. Referring to fig. 5, fig. 5 is a diagram illustrating a structure of a tail field in a node communication message format.
A sending module 60, configured to send the successfully converted node communication message to the corresponding area
And according to the message sending function of the electronic terminal where the current node communication message is located, sending the converted message to a required area corresponding to the message, and completing node communication message transmission.
In this embodiment, after the obtained message content is converted into the node communication message format by using the message conversion format, the message that has been successfully converted is sent to the corresponding required area of the message by using the message sending function. The key point is the node communication message format, the successfully converted node communication message content is sent, the message transmission efficiency is improved, and the leakage possibility in the message transmission process is reduced.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A method for converting the format of a node communication message in a distributed system, the method comprising the steps of:
acquiring a message with a format to be converted;
converting a message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field;
sending the successfully converted message to a required area corresponding to the message;
the converting of the message into a node communication message format, where the node communication message includes a header field, a message field, and a trailer field, further includes:
extracting message metadata and a message text, storing the message metadata to an effective data area of a message field, and storing the extracted message text to an additional data area of the message field, wherein the message field comprises the effective data area, a middle data area and the additional data area;
and if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
2. The method of converting a format of a nodal communication message in a distributed system as claimed in claim 1, wherein said converting a message to a format of a nodal communication message, said nodal communication message including a header field, a message field and a trailer field, further comprises:
and extracting the message description content and saving the message description content to a header field.
3. The method of converting a format of a nodal communication message in a distributed system as claimed in claim 1, wherein said converting a message to a format of a nodal communication message, said nodal communication message including a header field, a message field and a trailer field, further comprises:
extracting the data storage capacity of an effective data area, a middle data area and an additional data area of the message field;
and saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
4. The method of converting a format of a nodal communication message in a distributed system as claimed in claim 1, wherein said converting a message to a format of a nodal communication message, said nodal communication message including a header field, a message field and a trailer field, further comprises:
and extracting the signature values and the marking bits of the effective data area, the middle data area and the additional data area of the message field, and storing the signature values and the marking bits to the tail field.
5. An apparatus for converting a format of a node communication message in a distributed system, comprising:
the acquisition module is used for acquiring the message of the format to be converted;
the conversion module is used for converting the message into a node communication message format, wherein the node communication message comprises a head field, a message field and a tail field;
the sending module is used for sending the successfully converted message to a required area corresponding to the message;
the device further comprises: a message field module, wherein the message field module comprises: valid data unit, intermediate data unit, and additional data unit:
the effective data unit is also used for extracting message metadata and storing the message metadata to an effective data area of a message field;
the additional data unit is also used for extracting a message text and storing the message text in an additional data area of a message field;
the intermediate data unit is also used for acquiring the data volume of the message metadata and the message text; if the data volume of the message metadata or the message text is larger than the data storage capacity of the current effective data area and the additional data area, extracting the data storage capacity of the middle data area, and expanding the data storage capacity of the effective data area and the additional data area.
6. The apparatus for converting a format of a node communication message in a distributed system according to claim 5, wherein the apparatus further comprises: and the header field module is used for extracting the message description content and storing the message description content in the header field.
7. The apparatus for converting node communication message format in distributed system as claimed in claim 6, wherein said header field module is further configured to extract data storage capacity of valid data area, intermediate data area and additional data area of message field; and the data storage device is also used for saving the storage capacity of the data storage area in the extracted message field to the header field as the data storage identifier of the message field.
8. The apparatus for converting a format of a node communication message in a distributed system according to claim 5, wherein the apparatus further comprises: and the tail field module is used for extracting the signature values and the mark bits of the effective data area, the middle data area and the additional data area of the message field and storing the signature values and the mark bits to the tail field.
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