CN105306598A - Remote data invocation method capable of realizing load balancing - Google Patents
Remote data invocation method capable of realizing load balancing Download PDFInfo
- Publication number
- CN105306598A CN105306598A CN201510802719.1A CN201510802719A CN105306598A CN 105306598 A CN105306598 A CN 105306598A CN 201510802719 A CN201510802719 A CN 201510802719A CN 105306598 A CN105306598 A CN 105306598A
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- Prior art keywords
- haproxy
- rmi
- load balancing
- server
- siteserver lbs
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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
Abstract
The invention provides a remote data invocation method capable of realizing load balancing. The remote data invocation method comprises the following steps that a client initiates a control chain to be connected to a load balancing system HAProxy, and after load balancing, RMI (Remote Method Invocation) object information of a corresponding server is acquired; then the client initiates a data chain again to be connected to the load balancing system HAProxy, and after load balancing again, the client is guided to a corresponding server side to perform data processing. The remote data invocation method capable of realizing load balancing provided by the invention realizes the load balancing of java RMI control chain and data chain in combination with the load balancing system, so that after RMI Client gets the RMI object information of any one server through the HAProxy, the HAProxy transmits the object information to any one another server, and right return can be obtained; all RMI servers are completely utilized, therefore the load balancing is truly achieved.
Description
Technical field
The present invention relates to a kind of network communication field, specifically a kind of teledata call method realizing load balancing.
Background technology
At present, JavaRMI (RMI RemoteMethodInvocation) is a kind of mechanism, the method for object in another Java Virtual Machine of object reference that can allow on certain Java Virtual Machine.This remote interface can must be realized with any object that the method is called.After Client is connected to Server by Quality Initiative, obtains RMI object information [IP, PORT, ObjId], set up data link by [IP:Port], send request and obtain the response of object corresponding to ObjID.
HAProxy: a kind of SiteServer LBS, receive a new client when connecting, certain server can be selected to connect according to the load-balancing algorithm of configuration, the data forwarding 2 socket realize load balancing.
In order to client and server of RMI is separated, the deployment scenario realizing server is transparent to client, introduce HAProxy assembly, client initiates Quality Initiative and connects the RMI object information that HAProxy takes RMI server A, again initiate Data-Link and connect HAProxy, an other RMI server B can be directed to during Data-Link load balancing, cause server B to return errored response.Like this, for the thread of same Client, whenever cause, follow-up concurrent request of being initiated by this clinet only has 1 station server can response request on backstage, other server is all in idle state, does not well realize load balancing.
Summary of the invention
The object of the invention is for the problem in existing SiteServer LBS, propose a kind of teledata call method realizing load balancing.Allow RMIclient and server all realize the stateless of RMI object in Quality Initiative aspect and Data-Link aspect, thus realize the load balancing of RMI communication.
Technical scheme of the present invention is:
A kind of teledata call method realizing load balancing, client is initiated Quality Initiative and is connected SiteServer LBS HAProxy, the RMI object information of respective server is obtained after load balancing, client is again initiated Data-Link and is connected SiteServer LBS HAProxy, is again directed to corresponding server end after load balancing and carries out data processing.
The present invention includes following steps:
(1), by RMI object information and object ID in each RMI server generate according to the order of sequence, keep the overall situation unified, described object ID comprises RMI server ID+method sequence number;
The data transmission port of each RMI server is mapped in SiteServer LBS HAProxy;
Client is initiated control command to SiteServer LBS HAProxy and is searched RMI server, and this control command comprises HAProxyIP+HAProxy port;
(2), SiteServer LBS HAProxy selects RMI server to forward the control command of step (1) according to load balancing result;
(3), aforementioned RMI server receives after control command, and return control command to SiteServer LBS HAProxy, this control command comprises the data transmission port+object ID of HAProxyIP+RMI server;
(4), SiteServer LBS HAProxy forward step (3) control command to client, this control command comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(5), client sends data transfer instruction to SiteServer LBS HAProxy, and this data transfer instruction comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(6), SiteServer LBS HAProxy carries out load balancing, again according to load balancing result selection RMI server;
(7) after, aforementioned RMI server receives data command, when RMI object information subsidiary in data command and object ID are compared with local RMI object information, the comparison of shielding RMI server ID and virtual machine, comparative approach sequence number, carry out data processing according to method sequence number, return data result is to SiteServer LBS HAProxy;
(8), SiteServer LBS HAProxy forwards the data processed result of step (7) to client.
In step of the present invention (1), object ID generates according to the order of sequence and refers to: in each RMI server, the sequence number of same procedure is consistent.
Beneficial effect of the present invention:
The present invention realizes the load balancing of javaRMI Quality Initiative and Data-Link in conjunction with SiteServer LBS (such as HAProxy, Nginx etc.), after making RMIClient take the RMI object information of any station server by HAProxy, this object information is sent on any other station server by HAProxy, all can obtain correct returning, make use of all RMI servers completely, really achieve load balancing.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Fig. 2 is the flow chart of conventional method.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 2, in conventional method, due to the load balancing not supporting Data-Link aspect between client and server of primary JavaRMI scheme, make between RMI client and Server end, directly to introduce similar HAProxy assembly to realize the scheme existing problems of load balancing.
For the thread of same Client, whenever cause, follow-up concurrent request of being initiated by this clinet only has 1 station server can response request on backstage, other server is all in idle state.Also be utilized to allow server B, [5 request] is needed also to be directed to HAProxy, HAProxy can request forward to ServerA or B, but there is new problem like this, the ID of what if [1234] process was taken is A, then reach B by the flow process that [5678] are such, in fact B is that the request of the ID not approving A performs in B the machine, and execution makes mistakes.
As shown in Figure 1, by amendment remote invocation method, realize the request for [5678], can realize [ID to the B of A is upper to be performed] and [ID to the A of B is upper to be performed], all can not make mistakes, so just give full play to the load-balancing function of HAProxy, the server that in utilization, rear end is all, realize the stateless of RMI object, server resource very used, specifically comprises the following steps:
(1), by RMI object information and object ID in each RMI server generate according to the order of sequence, keep the overall situation unified, described object ID comprises RMI server ID+method sequence number;
The data transmission port of each RMI server is mapped in SiteServer LBS HAProxy;
Client is initiated control command to SiteServer LBS HAProxy and is searched RMI server, and this control command comprises HAProxyIP+HAProxy port;
(2), SiteServer LBS HAProxy selects RMI server to forward the control command of step (1) according to load balancing result;
(3), aforementioned RMI server receives after control command, and return control command to SiteServer LBS HAProxy, this control command comprises the data transmission port+object ID of HAProxyIP+RMI server;
(4), SiteServer LBS HAProxy forward step (3) control command to client, this control command comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(5), client sends data transfer instruction to SiteServer LBS HAProxy, and this data transfer instruction comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(6), SiteServer LBS HAProxy carries out load balancing, again according to load balancing result selection RMI server;
(7) after, aforementioned RMI server receives data command, when RMI object information subsidiary in data command and object ID are compared with local RMI object information, the comparison of shielding RMI server ID and virtual machine, comparative approach sequence number, carry out data processing according to method sequence number, return data result is to SiteServer LBS HAProxy;
(8), SiteServer LBS HAProxy forwards the data processed result of step (7) to client.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (3)
1. one kind can realize the teledata call method of load balancing, it is characterized in that: client is initiated Quality Initiative and connected SiteServer LBS HAProxy, the RMI object information of respective server is obtained after load balancing, client is again initiated Data-Link and is connected SiteServer LBS HAProxy, is again directed to corresponding server end after load balancing and carries out data processing.
2. the teledata call method of the realized load balancing according to patent requirements 1, is characterized in that it comprises the following steps:
(1), by RMI object information and object ID in each RMI server generate according to the order of sequence, keep the overall situation unified, described object ID comprises RMI server ID+method sequence number;
The data transmission port of each RMI server is mapped in SiteServer LBS HAProxy;
Client is initiated control command to SiteServer LBS HAProxy and is searched RMI server, and this control command comprises HAProxyIP+HAProxy port;
(2), SiteServer LBS HAProxy selects RMI server to forward the control command of step (1) according to load balancing result;
(3), aforementioned RMI server receives after control command, and return control command to SiteServer LBS HAProxy, this control command comprises the data transmission port+object ID of HAProxyIP+RMI server;
(4), SiteServer LBS HAProxy forward step (3) control command to client, this control command comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(5), client sends data transfer instruction to SiteServer LBS HAProxy, and this data transfer instruction comprises data transmission port+object ID that HAProxyIP+RMI server maps in SiteServer LBS HAProxy;
(6), SiteServer LBS HAProxy carries out load balancing, again according to load balancing result selection RMI server;
(7) after, aforementioned RMI server receives data command, when RMI object information subsidiary in data command and object ID are compared with local RMI object information, the comparison of shielding RMI server ID and virtual machine, comparative approach sequence number, carry out data processing according to method sequence number, return data result is to SiteServer LBS HAProxy;
(8), SiteServer LBS HAProxy forwards the data processed result of step (7) to client.
3. the remote invocation method of the realized load balancing according to patent requirements 2, is characterized in that in step (1), object ID generates according to the order of sequence and refers to: in each RMI server, the sequence number of same procedure is consistent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510802719.1A CN105306598A (en) | 2015-11-19 | 2015-11-19 | Remote data invocation method capable of realizing load balancing |
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| CN201510802719.1A CN105306598A (en) | 2015-11-19 | 2015-11-19 | Remote data invocation method capable of realizing load balancing |
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| CN106161467A (en) * | 2016-08-31 | 2016-11-23 | 成都九鼎瑞信科技股份有限公司 | Water utilities data access method and device |
| CN109302724A (en) * | 2017-12-20 | 2019-02-01 | 上海创远仪器技术股份有限公司 | A kind of distribution multinode radio real-time data processing system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106161467A (en) * | 2016-08-31 | 2016-11-23 | 成都九鼎瑞信科技股份有限公司 | Water utilities data access method and device |
| CN109302724A (en) * | 2017-12-20 | 2019-02-01 | 上海创远仪器技术股份有限公司 | A kind of distribution multinode radio real-time data processing system and method |
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Application publication date: 20160203 |