CN113992731A - STOMP protocol-based exception control method and device - Google Patents
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000005856 abnormality Effects 0.000 claims abstract description 7
- 238000004590 computer program Methods 0.000 claims description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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Abstract
The invention provides an exception control method and device based on STOMP protocol, which is applied to a framework with WebSocket links established among a client, a gateway service and a plurality of service services, and the method comprises the steps of establishing a TCP link monitoring thread and a STOMP exception interception program based on a gateway service address on the service services; creating a command extension program in the service so as to create a TCP link overrun message when monitoring that the number of TCP links is greater than a preset threshold value, and creating an abnormal extension message when intercepting an abnormality; sending a TCP link overrun message and an abnormal extension message to a client; the client receives the TCP link overrun message, breaks the WebSocket link and then automatically reconnects; receiving an abnormal extension message, and judging whether important links exist: if so, sending an abnormal message, breaking the WebSocket link, and then automatically reconnecting; if not, the process is ended. The smoothness of important services is kept to the maximum extent, and the problem of overhigh TCP link quantity caused by WebSocket is avoided.
Description
Technical Field
The invention relates to various protocol processing technologies, in particular to an exception control method and device based on a STOMP protocol.
Background
With the development of the technology, the requirement on the timeliness of the information is higher and higher, therefore, the STOMP is combined with the WebSocket, the full duplex protocol which can keep long connection and is simple to use is more and more common, the STOMP protocol keeps the WebSocket link through heartbeat messages, if the server judges that abnormity occurs, the server initiatively initiates a message with an ERROR head, the TCP link established by the WebSocket is broken off inside the protocol, and the method is also frequently used in a distributed micro-service architecture.
As shown in fig. 1, a client selects a service to establish a WebSocket link through a gateway forwarding protocol in a load balancing manner; however, there are some uncertainties, such as:
1. under some abnormal conditions, the service firstly initiates a message with an ERROR head, the message is forwarded to the client, the connection between the client and the gateway is broken, but the connection between the gateway and the service continuously exists, and the TCP link is expanded wirelessly to cause the server to crash by repeating the step;
2. under some abnormal conditions, all links are broken by the server uniformly, and important links cannot be distinguished, so that important services are interrupted.
Disclosure of Invention
Aiming at the defects of the related prior art, the invention provides an exception control method and device based on the STOMP protocol, which ensures that the link of a server is not automatically disconnected and a client can identify and confirm whether the link is disconnected or not by monitoring the TCP connection quantity among services and intercepting a message with an ERROR head and expanding the message into a special command, thereby ensuring the maximum possible lossless execution of important tasks.
In order to realize the purpose of the invention, the following scheme is adopted:
an exception control method based on STOMP protocol is applied to an architecture with WebSocket links established among a client, a gateway service and a plurality of service services, and comprises the following steps:
configuring a gateway service address on a business service, creating a TCP link monitoring thread based on the address, and using a command: netstat-apn | grep TCP | grep gateway IP to monitor TCP link count;
creating an STOMP abnormal interception program in the business service to carry out STOMP abnormal interception;
creating a command extension program in the service so as to create a TCP link overrun message when monitoring that the number of TCP links is greater than a preset threshold value, and creating an abnormal extension message when intercepting an abnormality;
sending a TCP link overrun message and an abnormal extension message to an abnormal client side with established links;
the client receives the TCP link overrun message, sends an abnormal message to the gateway service which has established connection, breaks the Websocket link, and then carries out automatic reconnection;
the client receives the abnormal extension message, and judges whether the current WebSocket link belongs to a link in a preset important link list: if so, sending an abnormal message to the gateway service which is connected with the gateway service, disconnecting the WebSocket link, and then automatically reconnecting; if not, the process is ended.
The invention has the beneficial effects that:
the smoothness of important services is kept as much as possible, the problem of overhigh TCP link quantity caused by WebSocket is avoided, and the normal operation of the system is guaranteed.
Drawings
FIG. 1 is a WebSocket link diagram in a microservice.
Fig. 2 is a block diagram of an abnormality control device according to an embodiment of the present application.
Fig. 3 is a flowchart of an abnormality control method according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.
One aspect of the embodiment of the present application provides an exception control method based on a STOMP protocol, which specifically includes the following steps, as shown in FIG. 3:
establishing WebSocket links among a client, a gateway service and a plurality of business services;
configuring a gateway service address on a business service, creating a TCP link monitoring thread based on the address, and using a command: netstat-apn | grep TCP | grep gateway IP to monitor TCP link count;
creating an STOMP abnormal interception program in the business service to carry out STOMP abnormal interception;
creating a command extension program in a business service, creating an EXCEED header information message when the TCP link number is monitored to be larger than a preset threshold value, and creating an EXCEPTION header information message when an EXCEPTION (ERROR header information) is intercepted;
sending an EXCEED header information message and an EXCEPTION header information message to the abnormal client side with the established connection;
the client receives the EXCEED header information message, sends an ERROR header information message to the gateway service which has established connection, breaks the WebSocket link and then automatically reconnects the WebSocket link;
the client receives the EXCEPTION header information message, and judges whether the current WebSocket link belongs to a link in a preset important link list:
if so, sending an ERROR head information message to the gateway service which is connected with the gateway service, disconnecting the WebSocket link, and then automatically reconnecting;
if not, the process is ended.
In another aspect of the embodiments of the present application, an exception control apparatus based on a STOMP protocol is provided, and is applied to an architecture in which a WebSocket link is established among a client, a gateway service, and a plurality of business services, as shown in FIG. 2, the exception control apparatus includes: TCP monitoring module, STOMP exception handling module, command extension module, WS message sending module, client message processing module.
The TCP monitoring module is used for configuring a gateway service address on a service and creating a TCP link monitoring thread based on the address to monitor the number of TCP links;
the STOMP exception handling module is used for creating a STOMP exception interception program in the service to carry out STOMP exception interception;
the command extension module is used for creating a command extension program in the service so as to create an EXCEED header information message when the number of TCP links is monitored to be greater than a preset threshold value and create an EXCEPTION header information message when an EXCEPTION (ERROR header information) is intercepted;
the WS message sending module is used for sending an EXCEED header message and an EXCEPTION header message to the abnormal client side which has established the connection;
the client message processing module is used for receiving the EXCEED header information message at the client, sending the ERROR header information message to the connected gateway service, disconnecting the WebSocket link and then automatically reconnecting;
the client message processing module is further configured to receive an egress header information message at the client, and determine whether the current WebSocket link belongs to a link in a preset important link table: if so, sending an ERROR head information message to the gateway service which is connected with the gateway service, disconnecting the WebSocket link, and then automatically reconnecting; if not, the process is ended.
In another aspect of the embodiments of the present application, an electronic device is provided, including: at least one processor and memory; wherein the memory stores computer execution instructions; the execution of the computer-executable instructions stored in the memory at the at least one processor causes the at least one processor to perform the STOMP protocol-based exception control method as in the previous embodiments.
In another aspect of the embodiments of the present application, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the computer program controls a device in which the storage medium is located to perform the exception control method based on the STOMP protocol according to the foregoing embodiments.
The foregoing is merely a preferred embodiment of this invention and is not intended to be exhaustive or to limit the invention to the precise form disclosed. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.
Claims (6)
1. An exception control method based on STOMP protocol is applied to an architecture with WebSocket link established among a client, a gateway service and a plurality of service services, and is characterized by comprising the following steps:
configuring a gateway service address on a business service, and creating a TCP link monitoring thread based on the address to monitor the number of TCP links;
creating an STOMP abnormal interception program in the business service to carry out STOMP abnormal interception;
creating a command extension program in the service so as to create a TCP link overrun message when monitoring that the number of TCP links is greater than a preset threshold value, and creating an abnormal extension message when intercepting an abnormality;
sending a TCP link overrun message and an abnormal extension message to an abnormal client side with established links;
the client receives the TCP link overrun message, sends an abnormal message to the gateway service, breaks the WebSocket link and then automatically reconnects the WebSocket link;
the client receives the abnormal extension message, and judges whether the current WebSocket link belongs to a link in a preset important link list: if so, sending an abnormal message to the gateway service, disconnecting the WebSocket link, and then automatically reconnecting; if not, the process is ended.
2. The exception control method based on STOMP protocol according to claim 1, wherein a TCP link monitor thread based on gateway service address is created, using command: netstat-apn | grep tcp | grep gateway IP.
3. An exception control device based on STOMP protocol is applied to an architecture which is provided with WebSocket links among a client, a gateway service and a plurality of service services, and is characterized by comprising the following components:
the TCP monitoring module is used for configuring a gateway service address on the service and creating a TCP link monitoring thread based on the address to monitor the number of TCP links;
the STOMP exception handling module is used for creating a STOMP exception interception program in service to carry out STOMP exception interception;
the command extension module is used for creating a command extension program in the service so as to create a TCP link overrun message when the number of TCP links is monitored to be greater than a preset threshold value and create an abnormal extension message when an abnormality is intercepted;
WS message sending module, use for to already set up abnormal customer end of interlinkage send TCP interlinkage overrun message and abnormal expansion message;
the client message processing module is used for sending an abnormal message to the gateway service when the client receives the TCP link overrun message, breaking the WebSocket link and then automatically reconnecting; and the method is used for judging whether the current WebSocket link belongs to a link in a preset important link list when the client receives the abnormal extension message: if so, sending an abnormal message to the gateway service, disconnecting the WebSocket link, and then automatically reconnecting; if not, the process is ended.
4. An exception control apparatus based on the STOMP protocol according to claim 3, wherein a TCP link monitor thread based on a gateway service address is created, using a command to: netstat-apn | grep tcp | grep gateway IP.
5. An electronic device, comprising: at least one processor and memory; wherein the memory stores computer-executable instructions; wherein execution of computer-executable instructions stored in said memory at said at least one processor causes said at least one processor to perform a STOMP protocol based exception control method as claimed in claim 1 or 2.
6. A computer-readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, controls an apparatus in which the storage medium is located to perform the STOMP protocol-based abnormality control method according to claim 1 or 2.
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