CN107071067B - Cgo-based high-performance stock market access system and method - Google Patents
Cgo-based high-performance stock market access system and method Download PDFInfo
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- CN107071067B CN107071067B CN201710441120.9A CN201710441120A CN107071067B CN 107071067 B CN107071067 B CN 107071067B CN 201710441120 A CN201710441120 A CN 201710441120A CN 107071067 B CN107071067 B CN 107071067B
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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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
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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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
- H04L67/50—Network services
- H04L67/55—Push-based network services
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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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
Abstract
A high-performance securities market access system and method based on Cgo aims to provide a securities market high-performance access system based on the combination of c language and go language aiming at securities market service, and establishes an operation flow and a mechanism for realizing the securities market access system and method by using cgo under the conditions of high concurrency and high access. The system comprises a convergence module, a connection manager module, a forwarding logic module, a pushing logic module and an access component module, adopts light-weight collaborative development of go language, establishes long connection with an application server, continuously and rapidly pushes stock quotation information, can support dynamic discovery of the state of the application server, and can perform dynamic load balancing according to the real-time capability of the application server, thereby better adapting to the requirements of high concurrency, high access and high availability of stock quotation services.
Description
Technical Field
The present invention relates to a data processing device or a data processing method especially suitable for specific functions, and particularly to a high-performance security quotation access system and method based on Cgo.
Background
The access system is used as an isolation layer between users (including internal users and external users) and the application server, directly receives the requests of the users and forwards the requests to the application server. Referring to fig. 1, a reverse proxy (e.g., Nginx) is widely used in an access system to perform reverse proxy on an application server and support load balancing of a plurality of application servers. The access system of the prior art has several disadvantages:
1) the service discovery function is not supported in the running state, and the process is required to be restarted or the configuration is required to be reloaded when the application service is newly added;
2) the load balance of the service request can not be routed according to the real-time state of the service, and can only be routed according to the strategy in the configuration;
3) the method does not support lighter-weight coroutine scheduling, and the process switching cost is large;
4) long connections to the application server are not supported and the consumption of the application server is large.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a Cgo-based high-performance securities market access system and method. Aiming at the securities market quotation service, a securities market quotation high-performance access system based on the combination of c language and go language is provided, and an operation flow and a mechanism for realizing the securities market quotation access system and method by using cgo under the conditions of high concurrency and high access are established.
One of the technical schemes adopted by the invention for solving the technical problems is as follows: the utility model provides a high performance securities market access system based on Cgo, includes convergence ware module, connection manager module, forwarding logic module, push logic module and access component module, wherein:
a convergence module: the method comprises the steps of being responsible for establishing user connection, sending the established connection to a plurality of access processes, and collecting user state data of the access processes;
a connection manager module: through Cgo mechanism and go language communication, manage the data packet receiving and dispatching of user's connection, exchange data with go program, control the flow of the whole process and single connection;
the forwarding logic module: receiving request data, forwarding the service request to an application server, receiving a response packet of the application server and transmitting the response packet to a connection manager;
a push logic module: informing a push cluster preposition module of the on-line and off-line states of a user accessing the process and the access process state, receiving push data sent by a push system agent module and transmitting the push data to a connection manager module;
an access component module: the system comprises an access component client and a server; the access component client integrates a client programming framework with TCP connection pool management, load balancing, route disaster tolerance, service discovery and connection keep-alive functions, and is in butt joint with the access component server; the access component server is a server programming framework realized based on a high-performance Tcp socket read-write component and can be in seamless butt joint with the access component client.
Further:
the invention relates to an access method of a high-performance security market access system based on Cgo, which comprises the following steps:
a user connection convergence module, wherein the convergence module sends the connection to a connection manager module;
the connection manager module receives the user connection, performs authentication processing, and notifies the online state to the push logic module; after the authentication is passed, the connection manager module receives the service request sent by the user, transmits the service request to the forwarding logic module and sends the service request out at the same time;
thirdly, the forwarding logic module extracts the service request from the receiving annular queue, distributes the service request to a corresponding forwarding channel, processes data of the forwarding channel and transmits the data to the access component module;
when receiving the up-down line state notification of the user, the push logic module sends the up-down line state notification to the push cluster system, and simultaneously, the push logic monitors the security market data sent by the push agent module and transmits the market data to the connection manager module;
the access component module pulls configuration information from the service discovery system in advance, a connection pool with an application server is established according to the configuration information, the change of the configuration information is monitored in real time, after the access component client receives a service request, a proper connection is selected to send the service request out, a service request identity is added into the timer module for overtime timing, the load balancing module counts the request sending information, meanwhile, after the access component client receives a packet, the request identity in the packet is analyzed, the request information is found out from the timer module, the packet information is reported to the load balancing module, and response data are directly transmitted to a sending ring queue for the connection manager module to use;
the load balancing module carries out dynamic scoring on the load condition of the application server according to request sending information and packet returning information reported by the access component client module, and when the access component client module needs to select connection to send a service request, the access component client module carries out dynamic distribution on the service request according to the score condition of the application server;
and seventhly, the access component client sends a request to the application server, the request is sent to the access component server-side component, the access component server-side performs protocol verification and unpacking on the request, transmits the service data to the application server for logic processing, and sends a processing result to the access component (client-side) module after the processing is finished.
The invention has the beneficial effects that:
1) the access system supports the dynamic service discovery function in the running state, and can be automatically updated to the access system when the application service is newly added.
2) Load balancing can be carried out according to the real-time load state of the service, requests can be better distributed, and meanwhile, the capacity expansion and the capacity reduction of the application server are not perceived by upper-layer users.
3) And the light-weight go scheduling enables request forwarding to be efficient.
4) The long connection with the application server through the connection pool makes the communication with the application server more efficient.
5) The application of the high-efficiency lock-free memory queue enables the passing efficiency of the C language and the Go language to be higher.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a stock market access system and method in the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the connection manager architecture of the present invention.
Fig. 4 is a schematic diagram of the access protocol communication flow of the present invention.
Detailed Description
Referring to the drawings, the embodiment of the invention relates to an Cgo-based high-performance stock market access system, which comprises a convergence module 1, a connection manager module 2, a forwarding logic module 3, a pushing logic module 4 and an access component module 5, wherein:
the convergence module 1: the method is used for establishing user connection, averagely sending the established connection to a plurality of access processes through a local Socket (UnixDian Socket), and collecting user state data of the access processes;
connection manager module 2: the method is realized by adopting C language, manages user connection through Cgo mechanism and go language communication, manages data packet receiving and sending of user connection through an IO multiplexing model (epoll model), performs data exchange with go program through a lockless ring queue, and performs flow control on the whole process and single connection;
forwarding logic module 3: polling and receiving request data from a receiving ring queue, forwarding specific service requests in a multi-channel mode, enabling the requests of different services to be mutually independent and forwarded to an application server, and simultaneously receiving a response packet of the application server and transmitting the response packet to a connection manager through a sending ring queue;
the push logic module 4: the push system agent module is responsible for notifying the on-line and off-line states of users accessing the process and the state of the accessing process to a push cluster front-end module (a main inlet module of the push system), receiving push data sent by the push system agent module and transmitting the push data to the connection manager module through a sending annular queue.
Access component module (client) 5: the system comprises an access component client and a server; the access component client integrates a client programming framework with TCP connection pool management, load balancing, route disaster tolerance, service discovery and connection keep-alive functions, and is in butt joint with the access component server; the access component server is a server programming framework realized based on a high-performance Tcp socket read-write component and can be in seamless butt joint with the access component client.
In the embodiment of the invention, the implementation method of the Cgo-based high-performance security market access system and method is subdivided into the following steps:
when a user is connected to a socket monitored by a convergence module process through a TCP (Transmission control protocol), the convergence module process receives user connection, marks the user connection as conn, and sends the conn to a connection manager module of an access process through a local socket;
and secondly, the connection manager module receives the user connection conn, adds the conn into Epoll to perform event monitoring, reads a handshake request sent by the conn, performs authentication processing on the handshake request, and notifies the online state to the push logic module. After the handshake authentication is passed, the connection manager module starts to receive the service request sent by the user connection Conn, then transmits the service request to the forwarding logic module through the receiving ring queue, and simultaneously extracts the response packet from the receiving ring queue and directly sends out the response packet through the user connection Conn. The handshake flow of a specific access protocol is shown in fig. 4;
thirdly, the forwarding logic module extracts the service request from the receiving ring queue, distributes the service request to a corresponding forwarding channel according to the command word of the service request, processes the data of the forwarding channel through the go language protocol pool, and transmits the data to the access component client module;
when receiving the up-down line state notification of the user, the push logic module directly sends the up-down line state notification to the push cluster system; meanwhile, the push logic is also responsible for monitoring Udp security quotation data sent by the push agent module and transmitting the quotation data to the connection manager module through a sending annular queue;
the access component client module pulls configuration information from the service discovery system in advance, creates a connection pool with the application server according to the configuration information, monitors the change of the configuration information in real time, and synchronously changes the connection pool when the configuration information is changed; when the access component client receives the service request, pulling a proper connection from the load balancing module according to the user command word to send the service request, adding the service request identity into the timer module to time out, and counting request sending information by the load balancing module; meanwhile, when the access component client module receives the return packet, the request identity identifier in the return packet is analyzed, the request information is found out from the timer module according to the request identity identifier, the return packet information is reported to the load balancing module, and the response data is directly transmitted to the sending ring queue for the connection manager module to use;
the load balancing module carries out dynamic scoring on the load condition of the application server according to request sending information and packet returning information reported by the access component client module, and when the access component client module needs to select connection to send a service request, the access component client module carries out dynamic distribution according to the score condition of the application server so as to ensure that the application server with good load bears more request pressure and the application server with poor load bears relatively less request pressure;
and seventhly, when the access component client sends the request to the application server, the request is sent to the access component server side component, the access component server side carries out protocol verification and unpacking on the request, transmits the service data to the application server for logical processing, and sends a processing result to the access component client side module through the access component server side after the processing is finished.
Under the situation of stock quotation service, when a user is connected to the quotation access system and method, a plurality of service requests can be sent, and meanwhile, an application server is required to continuously and rapidly push stock quotation information. The invention discloses a security quotation access system and a security quotation access method, which adopt light-weight collaborative development of a go language to establish long connection with an application server, continuously and quickly push security quotation information, can support dynamic discovery of the state of the application server, and can perform dynamic load balancing according to the real-time capability of the application server, thereby better adapting to the requirements of high concurrency, high access and high availability of security quotation services.
Abbreviations and Key term definitions
Nginx A high performance HTTP and reverse proxy server, also an IMAP/POP3/SMTP server, is often used in access systems.
The Go language: google also called Golang is a compiling type programming language developed by Google, which can be parallelized and has a garbage collection function.
Cgo: a technology for realizing interactive operation of a Go program and a class library of a C.
Local socket: the UNIX Domain Socket is developed on a Socket architecture and is used for inter-process communication (IPC) of the same host, and the UNIX Domain Socket only copies application layer data from one process to another process without passing through a network protocol stack, packing and unpacking, calculating a checksum, maintaining a sequence number, responding and the like.
Epoll: a high-performance multi-IO multiplexing mechanism, an event-driven mechanism.
Socket read-write component: self-developed set of TCP communication framework based on Go language.
Claims (4)
1. A Cgo-based high-performance stock market access system is characterized in that: including convergence ware module, connection manager module, forwarding logic module, propelling movement logic module and access assembly module, wherein:
a convergence module: the method comprises the steps of being responsible for establishing user connection, sending the established connection to a plurality of access processes, and collecting user state data of the access processes;
a connection manager module: through Cgo mechanism and go language communication, manage the data packet receiving and dispatching of user's connection, exchange data with go program, control the flow of the whole process and single connection;
the forwarding logic module: receiving request data, forwarding the service request to an application server, receiving a response packet of the application server and transmitting the response packet to a connection manager;
a push logic module: informing a push cluster preposition module of the on-line and off-line states of a user accessing the process and the access process state, receiving push data sent by a push system agent module and transmitting the push data to a connection manager module;
an access component module: the system comprises an access component client and a server; the access component client integrates a client programming framework with TCP connection pool management, load balancing, route disaster tolerance, service discovery and connection keep-alive functions, and is in butt joint with the access component server; the access component server is a server programming framework realized based on a high-performance Tcp socket read-write component and can be in seamless butt joint with the access component client.
2. The access method of Cgo-based high-performance security market access system according to claim 1, comprising the steps of:
a user connection convergence module, wherein the convergence module sends the connection to a connection manager module;
the connection manager module receives the user connection, performs authentication processing, and notifies the online state to the push logic module; after the authentication is passed, the connection manager module receives the service request sent by the user, transmits the service request to the forwarding logic module and sends the service request out at the same time;
thirdly, the forwarding logic module extracts the service request from the receiving annular queue, distributes the service request to a corresponding forwarding channel, processes data of the forwarding channel and transmits the data to the access component module;
when receiving the up-down line state notification of the user, the push logic module sends the up-down line state notification to the push cluster system, and simultaneously, the push logic monitors the security market data sent by the push agent module and transmits the market data to the connection manager module;
the access component module pulls configuration information from the service discovery system in advance, a connection pool with an application server is established according to the configuration information, the change of the configuration information is monitored in real time, after the access component client receives a service request, a proper connection is selected to send the service request out, a service request identity is added into the timer module for overtime timing, the load balancing module counts the request sending information, meanwhile, after the access component client receives a packet, the request identity in the packet is analyzed, the request information is found out from the timer module, the packet information is reported to the load balancing module, and response data are directly transmitted to a sending ring queue for the connection manager module to use;
the load balancing module carries out dynamic scoring on the load condition of the application server according to request sending information and packet returning information reported by the access component client module, and when the access component client module needs to select connection to send a service request, the access component client module carries out dynamic distribution on the service request according to the score condition of the application server;
and seventhly, the access component client sends a request to the application server, the request is sent to the access component server side component, the access component server side performs protocol verification and unpacking on the request, transmits the service data to the application server for logic processing, and sends a processing result to the access component module after the processing is finished.
3. The Cgo-based high-performance security market access system according to claim 1, wherein: including convergence ware module (1), connection manager module (2), forward logic module (3), propelling movement logic module (4) and access assembly module (5), wherein:
a convergence module (1): the method comprises the steps of being responsible for establishing user connection, averagely sending the established connection to a plurality of access processes through local sockets, and collecting user state data of the access processes;
connection manager module (2): the method is realized by adopting C language, manages user connection through Cgo mechanism and go language communication, manages data packet receiving and sending of user connection through IO multiplexing model, exchanges data with go program through lockless circular queue, and controls flow of the whole process and single connection;
forwarding logic module (3): polling and receiving request data from a receiving ring queue, forwarding specific service requests in a multi-channel mode, enabling the requests of different services to be mutually independent and forwarded to an application server, and simultaneously receiving a response packet of the application server and transmitting the response packet to a connection manager through a sending ring queue;
push logic module (4): the system is responsible for informing the online and offline states of users accessing the process and the state of the accessing process to a pushing cluster preposition module, receiving pushing data sent by a pushing system agent module and transmitting the pushing data to a connection manager module through a sending annular queue;
access component module (5): the system comprises an access component client and a server; the access component client integrates a client programming framework with TCP connection pool management, load balancing, route disaster tolerance, service discovery and connection keep-alive functions, and is in butt joint with the access component server; the access component server is a server programming framework realized based on a high-performance Tcp socket read-write component and can be in seamless butt joint with the access component client.
4. The access method of Cgo-based high-performance security market access system according to claim 2, which is subdivided into the following steps:
when a user is connected to a socket monitored by a convergence module process through a TCP (Transmission control protocol), the convergence module process receives user connection, marks the user connection as conn, and sends the conn to a connection manager module of an access process through a local socket;
the connection manager module receives the user connection Conn, adds the Conn into Epoll to perform event monitoring, reads a handshake request sent by the Conn, performs authentication processing on the handshake request, and notifies the push logic module of the online state, after the handshake authentication is passed, the connection manager module starts to receive a service request sent by the user connection Conn, then transmits the service request to the forwarding logic module through a receiving annular queue, and simultaneously extracts a response packet from the receiving annular queue and directly sends the response packet out through the user connection Conn;
thirdly, the forwarding logic module extracts the service request from the receiving ring queue, distributes the service request to a corresponding forwarding channel according to the command word of the service request, processes the data of the forwarding channel through the go language protocol pool, and transmits the data to the access component client module;
fourthly, when receiving the up-down line state notification of the user, the push logic module directly sends the up-down line state notification to the push cluster system; meanwhile, the push logic is also responsible for monitoring the Udp security quotation data sent by the push agent module and transmitting the quotation data to the connection manager module in a sending ring shape;
the access component client module pulls configuration information from the service discovery system in advance, creates a connection pool with the application server according to the configuration information, monitors the change of the configuration information in real time, and synchronously changes the connection pool when the configuration information is changed; when the access component client receives the service request, pulling a proper connection from the load balancing module according to the user command word to send the service request, adding the service request identity into the timer module to time out, and counting request sending information by the load balancing module; meanwhile, when the access component client module receives the return packet, the request identity identifier in the return packet is analyzed, the request information is found out from the timer module according to the request identity identifier, the return packet information is reported to the load balancing module, and the response data is directly transmitted to the sending ring queue for the connection manager module to use;
the load balancing module carries out dynamic scoring on the load condition of the application server according to request sending information and packet returning information reported by the access component client module, and when the access component client module needs to select connection to send a service request, the access component client module carries out dynamic distribution according to the score condition of the application server so as to ensure that the application server with good load bears more request pressure and the application server with poor load bears relatively less request pressure;
and seventhly, when the access component client sends the request to the application server, the request is sent to the access component server side component, the access component server side carries out protocol verification and unpacking on the request, transmits the service data to the application server for logical processing, and sends a processing result to the access component client side module through the access component server side after the processing is finished.
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| CN109213605A (en) * | 2018-09-17 | 2019-01-15 | 上海高顿教育培训有限公司 | A kind of server I suitable for high concurrent scene/O implementation method |
| CN109739652A (en) * | 2018-12-27 | 2019-05-10 | 北京字节跳动网络技术有限公司 | Real-time long connection method and device based on Go language |
| CN111343252A (en) * | 2020-02-13 | 2020-06-26 | 深圳壹账通智能科技有限公司 | High-concurrency data transmission method based on http2 protocol and related equipment |
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