CN105786468A - Device connection method and apparatus - Google Patents
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- CN105786468A CN105786468A CN201410822788.4A CN201410822788A CN105786468A CN 105786468 A CN105786468 A CN 105786468A CN 201410822788 A CN201410822788 A CN 201410822788A CN 105786468 A CN105786468 A CN 105786468A
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Abstract
The invention provides a device connection method and apparatus. The method comprises the steps of determining a controlled device specified by a to-be-executed task; judging whether a connection pool of the controlled device exists or not, and if the connection pool does not exist, creating the connection pool, wherein the connection pool comprises one or more connections between a main control device and the controlled device, and task queues corresponding to the connections; selecting a task queue in the connection pool of the controlled device; and adding the task into the selected task queue. According to the method and apparatus, the established connections are not disconnected but reserved in the connection pool, so that the connections can be reused, the frequent connections are avoided, the operations of executing a login script and the like are reduced, and the situations of compressing and occupying effective time of a data acquisition task and even causing deficiency of acquisition time are avoided; and meanwhile, the system resource consumption of the controlled device is reduced and the running efficiency of the controlled device is improved.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of equipment method of attachment and device.
Background technology
In the occasion much relating to data acquisition, the main control device being responsible for data acquisition needs connection (or perhaps login) to go to gather data to each controlled device.In the prior art, main control device often carries out a data acquisition and is accomplished by once being connected with controlled device, make connection comparatively frequent, and connection is carried out logon script etc. every time, there is certain connection initialization time, the effective time causing data acquisition session is compressed, is tied up, in some instances it may even be possible to the situation that acquisition time is not enough occur；Meanwhile, the connection of frequently establishment, release and controlled device also brings along performance consumption, namely consumes the system resource of controlled device, even has influence on the operational efficiency of controlled device.
Summary of the invention
For overcoming problems of the prior art, the present invention provides a kind of equipment method of attachment and device, with the problem solving to carry out with controlled device being frequently connected.
First aspect according to embodiments of the present invention, it is provided that a kind of equipment method of attachment, for main control device, described method includes:
Determine the controlled device specified by pending task；
Judge whether the connection pool of described controlled device exists, if described connection pool is absent from, then creating described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；
The connection pool of described controlled device selects a task queue；
Described task is joined in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
Optionally, the described connection pool of described establishment, including:
Available connection number according to the described controlled device arranged is set up the one or more and is connected；
Each connection for having set up creates task queue.
Optionally, described method also includes:
In a task queue last tasks carrying complete after start timing；
If the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullify described task queue and disconnect the connection corresponding to described task queue；
If without connecting in described connection pool, then nullifying described connection pool.
Optionally, described one task queue of selection in the connection pool of described controlled device, including:
Described connection pool will comprise the minimum task queue of task as selected task queue.
Optionally, described one task queue of selection in the connection pool of described controlled device, also include:
If connection number current in described connection pool is not up to the available connection number of described controlled device, in described connection pool, then preferentially set up new connection and described new connect corresponding task queue, new connecting corresponding task queue as selected task queue using described.
Optionally, described method also includes:
Before whether the described connection pool judging described controlled device exists, it is judged that described task is the need of using connection pool；
If described task need not use connection pool, then directly set up and be connected to perform described task with the one of described controlled device.
Optionally, it is connected as Telnet described in connect.
First aspect according to embodiments of the present invention, it is provided that a kind of equipment connecting device, for main control device, described device includes:
Controlled device determines module, for determining the controlled device specified by pending task；
Connection pool creation module, whether the connection pool for judging described controlled device exists, if described connection pool is absent from, then create described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；
Task allocating module, for selecting a task queue in the connection pool of described controlled device, joins described task in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
Optionally, described connection pool creation module, when creating described connection pool, is used for:
Available connection number according to the described controlled device arranged is set up the one or more and is connected；
Each connection for having set up creates task queue.
Optionally, described device also includes:
Connection pool monitoring module, in a task queue last tasks carrying complete after start timing；If the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullify described task queue and disconnect the connection corresponding to described task queue；If without connecting in described connection pool, then nullifying described connection pool.
The technical scheme that embodiments of the invention provide can include following beneficial effect:
The embodiment of the present invention achieves the mechanism of connection pool, it may be assumed that create connection pool for controlled device, and what described connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；After a task arrives, this task is joined in task queue selected in connection pool, so that described task is performed by the connection that described selected task queue is corresponding.Visible in the present invention, after a task completes, the connection set up also does not turn off, but it is retained in connection pool, and it is assigned to the next task use in task queue, this allows for the connection with controlled device can obtain multiplexing, a controlled device is just connected without often performing a task, thus avoiding frequent connection, decreasing the operations such as execution logon script, the effective time also avoiding data acquisition session is compressed, is tied up the situation even occurring that acquisition time is not enough；Meanwhile, decrease the system resources consumption of the controlled device brought because of the connection of frequently establishment, release and controlled device, improve the operational efficiency of controlled device.
In addition, in the embodiment of the present invention, the size of connection pool can be limited by arranging the available number that connects, namely can effectively control the connection number between controlled device and main control device, be equivalent to plan that this controlled device has how many connection can be occupied by this main control device in advance.So connect number arbitrarily to increase because of increasing of task, such that it is able to all connections avoiding the occurrence of this controlled device are monopolized by this main control device, and the appearance of the problem such as other main control devices cannot re-use this controlled device, some other tasks cannot be carried out.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe, the present invention can not be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meets embodiments of the invention, and is used for explaining principles of the invention together with description.
Fig. 1 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment；
Fig. 2 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment；
Fig. 3 is the connection pool schematic diagram according to an exemplary embodiment；
Fig. 4 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment；
Fig. 5 is the connection pool schematic diagram according to an exemplary embodiment；
Fig. 6 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment；
Fig. 7 is the block diagram of a kind of equipment connecting device according to an exemplary embodiment；
Fig. 8 is the block diagram of a kind of equipment connecting device according to an exemplary embodiment.
Detailed description of the invention
Here in detail exemplary embodiment being illustrated, its example representation is in the accompanying drawings.When as explained below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with in appended claims describe in detail, the present invention some in the example of consistent apparatus and method.
Fig. 1 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment.The method can be used for main control device, and this main control device can connect (or perhaps login) and go to gather data to each controlled device.
Shown in Figure 1, the method may include that
S101, it is determined that the pending controlled device specified by task.
Such as each pending task can comprise the mark of a controlled device, it is possible to finds the controlled device of correspondence according to this mark, thus performing this task on controlled device.
It is easily understood that the particular content of described task is unrelated with the present embodiment, the present embodiment does not limit, for instance can be the task of data acquisition, or controlled device carries out the task of parameter adjustment, etc..
S102, judge whether the connection pool of described controlled device exists, if described connection pool is absent from, then create described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection.
Wherein, described connection can connect for Telnet.
If connection pool is absent from, then creates connection pool by the way of this step, then enter back into step S103；And if connection pool has existed, then can be directly entered step S103.
Main control device is a controlled device set up corresponding connection pool mainly aim at realize connect multiplexing.In connection pool, after a task completes, the connection set up also does not turn off, but it is retained, and it is assigned to the next task use in task queue, so without often performing a task just connection once this controlled device, thus avoiding frequent connection.
S103, selects a task queue in the connection pool of described controlled device.
Task can be performed by the mode order of this queuing of task queue after entering connection pool, just can keep in multiple task, and realize the orderly execution of each task in such connection pool.Can setting up more than one between usual main control device and controlled device to be connected, so can there be one or more task queue in connection pool, the maximum quantity of the task queue allowed in connection pool can be configured according to practical situation.
It should be noted that, when connection pool has allowed multiple task queue, which task queue the present embodiment is joined for current task do not limit, such as, current task can be joined in the task queue randomly choosed, it is also possible to select a task queue by default selection algorithm.
S104, joins described task in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
Task before in the task queue of place just takes turns to this task and uses the connection corresponding to this task queue to be connected on controlled device, it is achieved the execution of task after being carried out.
In the present embodiment or the present invention some other embodiments, described method can also include:
Before whether the described connection pool judging described controlled device exists, it is judged that described task is the need of using connection pool；
If described task need not use connection pool, then directly set up and be connected to perform described task with the one of described controlled device.
This is because in some cases, for instance when task is more urgent, then can not use connection pool, but directly set up the connection of and controlled device, it is achieved the execution of this task.
Shown in Figure 2, in the present embodiment or the present invention some other embodiments, the described connection pool of described establishment, it is possible to including:
S201, sets up the one or more according to the available connection number of the described controlled device arranged and connects.
S202, creates task queue for each connection the set up.
Exemplarily can be shown in Figure 3, in figure 3, main control device establishes two connection pools 301,302, wherein the corresponding controlled device 1 of connection pool 301, comprises 2 task queues, the corresponding controlled device 2 of connection pool 302, comprises 1 task queue.
The available connection number of described controlled device is for described main control device.Such as, if a controlled device allows at most 10 connections, being assigned with 8 for certain main control device, the available connection number to this this controlled device of main control device is 8, so for, in the connection pool of this controlled device foundation, 8 task queues can be set up at most on this main control device.
By restricting the size (i.e. maximum number of connections in connection pool, namely described available connection number) of connection pool, be equivalent to plan that this controlled device has how many connection can be occupied by this main control device in advance.So connect number arbitrarily to increase because of increasing of task, such that it is able to all connections avoiding the occurrence of this controlled device are all monopolized by this main control device, and other main control devices cannot re-use this controlled device, cause the appearance of the problems such as some other tasks cannot be carried out.
Shown in Figure 4, in the present embodiment or the present invention some other embodiments, described method can also include:
S401, in a task queue last tasks carrying complete after start timing.
S402, if the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullifies described task queue and disconnects the connection corresponding to described task queue.
S403, if without connecting in described connection pool, then nullifying described connection pool.
Fig. 4 further describes the log off procedure of task queue and connection pool.If a task queue long period leaves unused, then can nullify this task queue and disconnect corresponding connection, to economize on resources；And if without any task queue in connection pool, then this connection pool can also be canceled.When having task again future, then re-establish connection pool and task queue.
In the present embodiment or the present invention some other embodiments, described one task queue of selection in the connection pool of described controlled device, it is possible to including:
Described connection pool will comprise the minimum task queue of task as selected task queue.
In this manner it is achieved that the shortest time that each task waits in connection pool.It is of course also possible to randomly select task queue.Mode of the choosing present invention for task queue does not limit.
Further, described one task queue of selection in the connection pool of described controlled device, it is also possible to including:
If connection number current in described connection pool is not up to the available connection number of described controlled device, in described connection pool, then preferentially set up new connection and described new connect corresponding task queue, new connecting corresponding task queue as selected task queue using described.
This is because as it was noted above, in certain embodiments, this queue can be nullified when in task queue without task and disconnects corresponding connection.When new task arrives, it is possible to re-creating the task queue being previously canceled, then join in this task queue by this task, compared with joining other queues, at this moment this task can be performed faster, makes efficiency more excellent.Certainly, if can create without new task queue, namely the connection number in connection pool is full, then this task can be joined according to mode above and comprise in the task queue that task is minimum.
Below in conjunction with concrete scene, the invention will be further described.
Fig. 5 is the connection pool schematic diagram according to an exemplary embodiment.In Figure 5, there are Telnet task A, B, C, D, and kernel scheduling program, namely Telnet monitoring thread is then responsible for these tasks being added separately in the task queue of corresponding connection pool according to the mark in these Telnet tasks.From fig. 5, it is seen that Telnet task A, B are added in a task queue of connection pool 501, Telnet task C is added in another task queue of connection pool 501, thus being ultimately connected to controlled device 1；Telnet task D is added in the task queue in connection pool 502, thus being ultimately connected to controlled device 2.
Fig. 6 is the flow chart of a kind of equipment method of attachment according to an exemplary embodiment.In the present embodiment, main control device can be server, and controlled device can be terminal.
S601, it is judged that whether task uses connection pool.Kernel scheduling program in time having new task pending, on server, for instance the Telnet monitoring thread in the present embodiment, first-selection can judge whether this task uses connection pool.
If use connection pool, then enter step S602.If not using connection pool, for instance when this task is more urgent, then it is directly entered step S609.
S602, it is judged that whether the connection pool of mark correspondence exists.Can with the mark of corresponding terminal in task, it is possible to judge whether to establish connection pool for this terminal according to this mark.
If connection pool is absent from, then enter step S603, if connection pool exists, then can skip step S603 and enter step S604.
S603, generates a connection pool.Also it is this terminal and creates a connection pool, certainly also include creating the task queue in connection pool.
S604, Telnet monitoring thread is put into task and is comprised the task queue that task is minimum.The meeting each task queue of autopolling of Telnet monitoring thread, thus the task queue that task of finding out is minimum, then puts into this task in this queue, is then performed so that this task is queued up in the queue.
S605, Telnet monitoring thread calculates in task queue and has performed the time of last task and the difference of current time.After last tasks carrying of task queue completes, namely after this task queue is sky, it is possible to by comparing the time and current time having performed last task, how long check this task queue current idle.
S606, it is judged that whether difference exceedes connection and retain duration.
If retaining duration not less than connecting, then entering step S607, otherwise entering step S608.
S607, the Telnet keeping task queue corresponding connects.To wait the addition of new task.And rebound S605.
S608, the Telnet connection that drop task queue is corresponding, process ends.
S609, the Telnet setting up terminal connects, to perform this task.Namely way conventionally is directly the connection of this task creation and corresponding terminal, with this task of execution independent, quick.
Fig. 7 is the block diagram of a kind of equipment connecting device according to an exemplary embodiment.Shown in Figure 7, described device may include that
Controlled device determines module 701, for determining the controlled device specified by pending task；
Connection pool creation module 702, whether the connection pool for judging described controlled device exists, if described connection pool is absent from, then create described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；
Task allocating module 703, for selecting a task queue in the connection pool of described controlled device, joins described task in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
In the present embodiment or the present invention some other embodiments, described connection pool creation module, when creating described connection pool, is used for:
Available connection number according to the described controlled device arranged is set up the one or more and is connected；
Each connection for having set up creates task queue.
Shown in Figure 8, in the present embodiment or the present invention some other embodiments, described device can also include:
Connection pool monitoring module 704, in a task queue last tasks carrying complete after start timing；If the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullify described task queue and disconnect the connection corresponding to described task queue；If without connecting in described connection pool, then nullifying described connection pool.
About the device in above-described embodiment, the concrete mode that wherein modules performs to operate has been described in detail in about the embodiment of the method, and explanation will be not set forth in detail herein.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other embodiment of the present invention.The application is intended to any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed the general principle of the present invention and include the undocumented known general knowledge in the art of the present invention or conventional techniques means.Description and embodiments is considered only as exemplary, and the true scope of the present invention and spirit are pointed out by claim below.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and various amendment and change can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. an equipment method of attachment, it is characterised in that for main control device, described method includes:
Determine the controlled device specified by pending task；
Judge whether the connection pool of described controlled device exists, if described connection pool is absent from, then creating described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；
The connection pool of described controlled device selects a task queue；
Described task is joined in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
2. method according to claim 1, it is characterised in that the described connection pool of described establishment, including:
Available connection number according to the described controlled device arranged is set up the one or more and is connected；
Each connection for having set up creates task queue.
3. method according to claim 1, it is characterised in that described method also includes:
In a task queue last tasks carrying complete after start timing；
If the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullify described task queue and disconnect the connection corresponding to described task queue；
If without connecting in described connection pool, then nullifying described connection pool.
4. method according to claim 1, it is characterised in that described one task queue of selection in the connection pool of described controlled device, including:
Described connection pool will comprise the minimum task queue of task as selected task queue.
5. method according to claim 4, it is characterised in that described one task queue of selection in the connection pool of described controlled device, also includes:
If connection number current in described connection pool is not up to the available connection number of described controlled device, in described connection pool, then preferentially set up new connection and described new connect corresponding task queue, new connecting corresponding task queue as selected task queue using described.
6. method according to claim 1, it is characterised in that described method also includes:
Before whether the described connection pool judging described controlled device exists, it is judged that described task is the need of using connection pool；
If described task need not use connection pool, then directly set up and be connected to perform described task with the one of described controlled device.
7. the method according to any one of claim 1～6, it is characterised in that described in be connected as Telnet connect.
8. an equipment connecting device, it is characterised in that for main control device, described device includes:
Controlled device determines module, for determining the controlled device specified by pending task；
Connection pool creation module, whether the connection pool for judging described controlled device exists, if described connection pool is absent from, then create described connection pool, what wherein said connection pool included between described main control device with described controlled device one or more is connected, and each self-corresponding task queue of each connection；
Task allocating module, for selecting a task queue in the connection pool of described controlled device, joins described task in selected task queue, so that described task is performed by the connection that described selected task queue is corresponding.
9. device according to claim 8, it is characterised in that described connection pool creation module, when creating described connection pool, is used for:
Available connection number according to the described controlled device arranged is set up the one or more and is connected；
Each connection for having set up creates task queue.
10. device according to claim 8, it is characterised in that described device also includes:
Connection pool monitoring module, in a task queue last tasks carrying complete after start timing；If the duration that described timing exceedes setting does not have new task to join in described task queue yet, then nullify described task queue and disconnect the connection corresponding to described task queue；If without connecting in described connection pool, then nullifying described connection pool.
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| CN201410822788.4A CN105786468A (en) | 2014-12-25 | 2014-12-25 | Device connection method and apparatus |
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| CN201410822788.4A CN105786468A (en) | 2014-12-25 | 2014-12-25 | Device connection method and apparatus |
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| CN108449341A (en) * | 2018-03-20 | 2018-08-24 | 武汉斗鱼网络科技有限公司 | TCP connection method, apparatus based on PHP and terminal device |
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