CN114567686B - Network model management method and system for network service module - Google Patents
Network model management method and system for network service module Download PDFInfo
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- CN114567686B CN114567686B CN202210462891.7A CN202210462891A CN114567686B CN 114567686 B CN114567686 B CN 114567686B CN 202210462891 A CN202210462891 A CN 202210462891A CN 114567686 B CN114567686 B CN 114567686B
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a network model management method and a system for a network service module, wherein the number of data requests is determined each time a receiving end sends a data request to a sending end; network connection objects are arranged in the receiving end session management program and the sending end session management program, and the number of existing TCP (Transmission control protocol) connections between the receiving end network connection objects and the sending end network connection objects is determined; judging whether the number of the existing TCP connections reaches the set threshold number, if not, establishing new TCP connections and combining the existing TCP connections for data transceiving, and if so, sending data requests based on the existing TCP connections and performing polling distribution on data packages. According to the network model management method and system for the network service module, the number of TCP connections reaches the threshold number, the TCP connections are not increased any more, the existing TCP is not released any more, the existing TCP is polled and used, and the resource utilization rate is improved.
Description
Technical Field
The invention belongs to the field of network services, and particularly relates to a network model management method and system for a network service module.
Background
Under the condition that the number of nodes and the data volume of a large-scale cluster are remarkably increased, the interactive data volume among the nodes is increased, the number of TCP connections on the nodes is excessive, a large number of TCP connections are frequently newly built and closed among the same nodes, the burden of a system is increased, the thread scheduling overhead of the system is excessive, the efficiency is reduced, and the network resources cannot be uniformly managed and monitored. Because the master fragments among the nodes may need to acquire data from all other master fragments, the number of connections accessed by each master fragment is the number of all master fragments, and because multiple master fragments can be provided on each node, after the master fragments are multiplied by the number of master fragments on each node, the number of connections can be doubled by the number of sql concurrent on the cluster, the number of TCP connections accessed on each node can be increased in a geometric grade along with the increase of the number of concurrent, node and fragment, which occupies a large number of file handles and ports of the system, thus causing failure of data transmission requests due to the fact that new TCP connections cannot be established, and if unused connections exist, the receiving end frequently establishes and destroys TCP connection processing threads, which increases the burden of the system.
Disclosure of Invention
In view of this, the present invention is directed to a network model management method and system for a network service module, so as to solve the problem that TCP connection processing threads are frequently established and destroyed, and the system load is increased.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
on one hand, the application also provides a network model management method for the network service module, which comprises the following specific steps:
s1, before the sending end sends data to the receiving end each time, the receiving end sends a data request to the sending end, wherein the data request comprises the number X of the data requests;
s2, network connection objects are arranged in the receiving end session management program and the sending end session management program, and the number of existing TCP (Transmission control protocol) connections between the receiving end network connection objects and the sending end network connection objects is determined;
s3, judging whether the number M of the existing TCP connections reaches the set threshold number N, if not, comparing the number X of the data requests with the number M of the existing TCP connections,
if X is less than or equal to M, sending a data request based on the existing TCP connection and performing polling distribution on a data package;
if M is larger than X and is less than or equal to N, sending data requests by M data requests based on the existing TCP connection, performing polling distribution on data packages, simultaneously newly establishing L TCP connections, and performing data transmission on the L data requests through the newly established TCP connection, wherein L is X-M, and the number of the existing TCP connections is X;
if N is less than or equal to X, newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, wherein P is equal to N-M, meanwhile, sending data requests on Q data requests based on the existing TCP connections, and performing polling distribution on data packages, wherein Q is equal to X- (N-M), and at the moment, the number of the existing TCP connections is N;
and if the number N reaches the set threshold value, sending the data requests of X data requests based on the existing TCP connection, and performing polling distribution on the data packages.
Further, in step S3, newly establishing L TCP connections, and performing data transmission on the L data requests through the newly established TCP connections, where the specific method is as follows:
s31, when the receiving end sends a data request to the sending end, the receiving end registers a callback function of a data event through the session management program and starts the data session service of the session management program;
s32, L TCP connections are established between the network connection object of the receiving end and the network connection object of the sending end for data transceiving transmission;
s33, the session management program starts a network connection object, the receiving end receives a start message sent by the sending end through TCP connection, the receiving end network connection object creates an event session, and the receiving end network connection object sends a message that the creation of the event session is successful to the sending end network connection object;
s34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object are connected through TCP to carry out data transmission;
s35, the receiving terminal session management program returns the callback function to the receiving terminal;
s36, the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data;
one data request corresponds to one TCP connection for data transmission;
in step S3, the method for newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, and newly establishing L TCP connections, and performing data transmission on L data requests through the newly established TCP connections is the same.
Further, in step S34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively notify corresponding session management programs to perform maintenance detection, which specifically includes:
s341, the receiving end network connection object generates a receiving end data event object, and the network connection object of the sending end generates a sending end data event object;
s342, the receiving end network connection object informs the session management program of the receiving end that a new receiving end data event object is established, and the sending end network connection object informs the session management program of the sending end that a new sending end data object is established;
and S343, the session management program of the receiving end starts the maintenance and the whole-process monitoring of the data event object of the receiving end, and the session management program of the sending end starts the maintenance and the whole-process monitoring of the data event object of the sending end.
Further, in step S3, the method for sending the data request based on the existing TCP connection and performing polling distribution of the data package includes:
when a receiving end sends a data request to a sending end, the receiving end registers a callback function of a data event through a session management program and starts a data session service of the session management program;
arranging all existing TCP connections between a sending end and a receiving end for receiving the data packet according to the number of the sessions from small to large, and putting the data packet into the TCP connection with the minimum number of the sessions to prepare for data transmission;
the session management program starts a network connection object, a receiving end receives a start message sent by a sending end through TCP connection, the receiving end network connection object creates an event session, the receiving end network connection object sends a message that the event session is successfully created to the sending end network connection object, each network connection object correspondingly maintains a counting variable, and the counting variable is used for counting the number of sessions;
the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object carry out data transmission through corresponding TCP connection;
the receiving terminal session management program returns the callback function to the receiving terminal;
the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data.
On the other hand, this application still provides the network model management system who adopts above-mentioned a network model management method for network service module for a network service module, and the sending end all is provided with upper dedicated module, bottom network module with the receiving terminal, upper dedicated module starts the conversation and is used for sending data request, bottom network module includes Session management program Session manager, network connection object Netconnection, data event object Datasession, the network connection object of sending end and the network connection object of receiving terminal all establish TCP connection through the network.
Compared with the prior art, the network model management method and the system for the network service module have the following beneficial effects that:
(1) the invention relates to a network model management method for a network service module, which judges whether the number of TCP connections established between a sending end and a receiving end reaches a set threshold value, if not, the TCP connections are established and data transmission is carried out, if the number of the TCP connections reaches the set threshold value, polling distribution data package is carried out based on the existing TCP connections, a plurality of data sessions share a plurality of TCP connections (the number of the set threshold value can be adjusted according to actual needs), frequent establishment and destruction processing of the TCP connections are reduced, and the burden of a system is reduced;
(2) the invention relates to a network model management method for a network service module, wherein each TCP connection receiving end and each TCP connection sending end are respectively provided with a network connection object for receiving and sending data on the TCP connection, the network connection object is called a network thread, the work of receiving and sending the data is handed to the network thread, and the transmitted data is handed to an upper layer special module for data use, so that the unbinding of the TCP connection number and the thread number is realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a network model management system for a network service module according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
On one hand, the application provides a network model management method for a network service module, which comprises the following specific steps:
s1, before the sending end sends data to the receiving end each time, the receiving end sends a data request to the sending end, wherein the data request comprises the number X of the data requests;
s2, network connection objects are arranged in the receiving end session management program and the sending end session management program, and the number of existing TCP (Transmission control protocol) connections between the receiving end network connection objects and the sending end network connection objects is determined;
s3, judging whether the number M of the existing TCP connections reaches the set threshold number N, if not, comparing the number X of the data requests with the number M of the existing TCP connections,
if X is less than or equal to M, sending a data request based on the existing TCP connection and performing polling distribution on a data package;
if M is larger than X and is less than or equal to N, sending data requests by M data requests based on the existing TCP connection, polling and distributing data packages, simultaneously newly establishing L TCP connections, and carrying out data transmission on the L data requests through the newly established TCP connection, wherein L is X-M, and the number of the existing TCP connections is X;
if N is less than or equal to X, newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, wherein P is equal to N-M, meanwhile, sending data requests on Q data requests based on the existing TCP connections, and performing polling distribution on data packages, wherein Q is equal to X- (N-M), and at the moment, the number of the existing TCP connections is N;
and if the number N reaches the set threshold value, sending the data requests of X data requests based on the existing TCP connection, and performing polling distribution on the data packages.
In step S3, newly establishing L TCP connections, and performing data transmission on the L data requests through the newly established TCP connections, where the specific method is as follows:
s31, when the receiving end sends a data request to the sending end, the receiving end registers a callback function of a data event through the session management program and starts the data session service of the session management program;
s32, L TCP connections are established between the network connection object of the receiving end and the network connection object of the sending end for data transceiving transmission;
s33, the session management program starts a network connection object, the receiving end receives a start message sent by the sending end through TCP connection, the receiving end network connection object creates an event session, and the receiving end network connection object sends a message that the creation of the event session is successful to the sending end network connection object;
s34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object are connected through TCP to carry out data transmission;
s35, the receiving terminal session management program returns the callback function to the receiving terminal;
s36, the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data;
one data request corresponds to one TCP connection for data transmission;
in step S3, the method for newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, and newly establishing L TCP connections, and performing data transmission on L data requests through the newly established TCP connections is the same.
In step S34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively notify corresponding session management programs to perform maintenance detection, and the specific method is as follows:
s341, the receiving end network connection object generates a receiving end data event object, and the network connection object of the sending end generates a sending end data event object;
s342, the receiving end network connection object informs the session management program of the receiving end that a new receiving end data event object is established, and the sending end network connection object informs the session management program of the sending end that a new sending end data object is established;
and S343, the session management program of the receiving end starts the maintenance and the whole-process monitoring of the data event object of the receiving end, and the session management program of the sending end starts the maintenance and the whole-process monitoring of the data event object of the sending end.
In step S3, the data package is sent and polled to distribute based on the existing TCP connection, and the specific method is as follows:
when a receiving end sends a data request to a sending end, the receiving end registers a callback function of a data event through a session management program and starts a data session service of the session management program;
arranging all existing TCP connections between a sending end and a receiving end for receiving the data packet according to the number of the sessions from small to large, and putting the data packet into the TCP connection with the minimum number of the sessions to prepare for data transmission;
the session management program starts a network connection object, a receiving end receives a start message sent by a sending end through TCP connection, the receiving end network connection object creates an event session, the receiving end network connection object sends a message that the event session is successfully created to the sending end network connection object, each network connection object correspondingly maintains a counting variable, and the counting variable is used for counting the number of sessions;
the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object carry out data transmission through corresponding TCP connection;
the receiving terminal session management program returns the callback function to the receiving terminal;
the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data.
The TCP connections are not released after the establishment is completed, for example, only one data request is started, then only one TCP connection is established, after the data request is completed, 5 data requests are next time, then the last established TCP connection is used, 4 TCP connections are established again until a threshold of the specified TCP connection is reached, generally, the threshold of the TCP connections is set to 20, after 20 TCP connections are reached, the number of the TCP connections is not increased, if a newly entered data request exceeds the set threshold, a polling policy is applied to the data requests, that is, data is transmitted through the TCP connection with the minimum number of sessions in the 20 established TCP connections.
As shown in fig. 1, on the other hand, the present application further provides a network model management system for a network service module, which adopts the above network model management method for a network service module, where a sending end and a receiving end are both provided with an upper layer dedicated module and a lower layer network module, the upper layer dedicated module starts a Session for sending a data request, the lower layer network module includes a Session manager, a network connection object Netconnection and a data event object Datasession, and the network connection object of the sending end and the network connection object of the receiving end are both connected by a TCP via a network.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A network model management method for a network service module is characterized by comprising the following steps:
s1, before the sending end sends data to the receiving end each time, the receiving end sends a data request to the sending end, wherein the data request comprises the number X of the data requests;
s2, network connection objects are arranged in the receiving end session management program and the sending end session management program, and the number of existing TCP (Transmission control protocol) connections between the receiving end network connection objects and the sending end network connection objects is determined;
s3, judging whether the number M of the existing TCP connections reaches the set threshold number N, if not, comparing the number X of the data requests with the number M of the existing TCP connections,
if X is less than or equal to M, sending a data request based on the existing TCP connection and performing polling distribution on a data package;
if M is larger than X and is less than or equal to N, sending data requests by M data requests based on the existing TCP connection, performing polling distribution on data packages, simultaneously newly establishing L TCP connections, and performing data transmission on the L data requests through the newly established TCP connection, wherein L is X-M, and the number of the existing TCP connections is X;
if N is less than or equal to X, newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, wherein P is equal to N-M, meanwhile, sending data requests on Q data requests based on the existing TCP connections, and performing polling distribution on data packages, wherein Q is equal to X- (N-M), and at the moment, the number of the existing TCP connections is N;
if the number N of the data requests reaches the set threshold value, sending the data requests of X data requests based on the existing TCP connection, and performing polling distribution on the data packages;
in step S3, newly establishing L TCP connections, and performing data transmission on the L data requests through the newly established TCP connections, where the specific method is as follows:
s31, when the receiving end sends a data request to the sending end, the receiving end registers a callback function of a data event through the session management program and starts the data session service of the session management program;
s32, L TCP connections are established between the network connection object of the receiving end and the network connection object of the sending end for data transceiving transmission;
s33, the session management program starts a network connection object, the receiving end receives a start message sent by the sending end through TCP connection, the receiving end network connection object creates an event session, and the receiving end network connection object sends a message that the creation of the event session is successful to the sending end network connection object;
s34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object are connected through TCP to carry out data transmission;
s35, the receiving terminal session management program returns the callback function to the receiving terminal;
s36, the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data;
one data request corresponds to one TCP connection for data transmission;
in step S3, the method for newly establishing P TCP connections, performing data transmission on P data requests through the newly established TCP connections, and newly establishing L TCP connections, and performing data transmission on L data requests through the newly established TCP connections is the same.
2. The method of claim 1, wherein the network model management method comprises: in step S34, the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively notify corresponding session management programs to perform maintenance detection, and the specific method is as follows:
s341, the receiving end network connection object generates a receiving end data event object, and the network connection object of the sending end generates a sending end data event object;
s342, the receiving end network connection object informs the session management program of the receiving end that a new receiving end data event object is established, and the sending end network connection object informs the session management program of the sending end that a new sending end data object is established;
and S343, the session management program of the receiving end starts the maintenance and the whole-process monitoring of the data event object of the receiving end, and the session management program of the sending end starts the maintenance and the whole-process monitoring of the data event object of the sending end.
3. The method of claim 1, wherein the network model management method comprises: in step S3, the data package is sent and polled to distribute based on the existing TCP connection, and the specific method is as follows:
when a receiving end sends a data request to a sending end, the receiving end registers a callback function of a data event through a session management program and starts a data session service of the session management program;
arranging all existing TCP connections between a sending end and a receiving end for receiving the data packet according to the number of the sessions from small to large, and putting the data packet into the TCP connection with the minimum number of the sessions to prepare for data transmission;
the session management program starts a network connection object, a receiving end receives a start message sent by a sending end through TCP connection, the receiving end network connection object creates an event session, the receiving end network connection object sends a message that the event session is successfully created to the sending end network connection object, each network connection object correspondingly maintains a counting variable, and the counting variable is used for counting the number of sessions;
the network connection object of the receiving end and the network connection object of the sending end respectively generate corresponding data event objects and respectively inform corresponding session management programs to carry out maintenance detection; the receiving end data event object and the sending end data event object carry out data transmission through corresponding TCP connection;
the receiving terminal session management program returns the callback function to the receiving terminal;
the receiving END network connection object sends a signal for starting to receive the data message to the sending END through the TCP connection, the sending END sends data, and the receiving END returns an END message to the sending END after receiving the data.
4. A network model management system for a network service module, applying a network model management method for a network service module according to any one of claims 1 to 3, characterized by: the sending end and the receiving end are both provided with an upper layer special module and a bottom layer network module, the upper layer special module starts a Session for sending a data request, the bottom layer network module comprises a Session management program Session manager, a network connection object Netconnection and a data event object Datasession, and the network connection object of the sending end and the network connection object of the receiving end are both connected through a network TCP.
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