CN101098517A - Dispatcher permanent online method and apparatus - Google Patents
Dispatcher permanent online method and apparatus Download PDFInfo
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- CN101098517A CN101098517A CNA2007101115515A CN200710111551A CN101098517A CN 101098517 A CN101098517 A CN 101098517A CN A2007101115515 A CNA2007101115515 A CN A2007101115515A CN 200710111551 A CN200710111551 A CN 200710111551A CN 101098517 A CN101098517 A CN 101098517A
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Abstract
The invention provides a permanent online method of distributor and a relative device, for realizing permanent online of distribution in group system. The method comprises that S102, when a server of dispatching desk checks that the conversation of client of the dispatching desk will be overtime, the server uses a first protocol to send a conversion refresh message to the client, S104, the client receives the conversion refresh message, and uses a second protocol to send a conversion refresh request to the server of dispatching desk, and S106, the server receives the conversation refresh request, refreshes the access time of conversation, and feedbacks a conversation refresh response to the client. Therefore, the invention can overcome the defect of prior group system which distributor conversation will be overtime, to effectively meet special demand of distributor conversation in group system.
Description
Technical field
The application relates to trunked communication system, more specifically, relates to a kind of dispatcher permanent online method and device.
Background technology
Trunked communication system comes across the seventies in 20th century, and trunking communication the earliest is an analogue system, and the Digital Clustering technology was risen in the world from the mid-90 in 20th century, and digital colony network occur in China the latter stage nineties.Digital cluster system is meant one group of wireless channel of multiple users share, and dynamically use the dedicated mobile communications subsystem of these channels, it is a kind of commander, dispatching patcher, in some social economies, the relatively advanced country of industrial or agricultural, the departments such as enterprise, cause, industrial and mineral, oil field, farm, public security, police and army that commander, scheduling feature are had relatively high expectations all very press for this system.
The topmost feature of Clustering is to have the dispatcher to participate in and control.Dispatching desk with the mutual signaling of trunking dispatch server, is converted into system command to dispatcher's instruction, thereby reaches the purpose of controlling call as the dispatching management center of digital clustering communication system.Dispatching desk enables to understand in real time the communication conditions of current system for the industry dispatcher provides man-machine interface, also can make a call to groups or users, commands.
Existing dispatching patcher all utilizes the WEB technology to realize.As everyone knows, the WEB technology is based upon on HTTP (the Hypertext Transfer Protocol) agreement, and HTTP is stateless agreement, and whether it can not discern request and be sent out by same individual.In order to overcome this shortcoming, the WEB technology has been created session technology.So-called session is that it has preserved a sign, and whether the request of twice submission is what same individual sent out before and after can discerning with this sign.But, session is free restriction, if promptly do not receive the HTTP request within a certain period of time, session will be withered away automatically so, because the extinction of this session is triggered automatically by container, be not professional can control, therefore be based upon the technical dispatching patcher of WEB, its session certainly exists the possibility of automatic extinction.
The intrinsic feature request dispatcher of digital cluster system can be forever online, fire-fighting system for example, because what it was faced all is accident, the requirement dispatcher can be forever online, so that can make quick reflection in the face of accident, so must there be simple, clear and definite method can guarantee that dispatcher's session is not overtime, promptly forever online.
Therefore, press for the permanent online implementation method of dispatcher in a kind of trunked communication system, solve the problem of dispatcher's session timeout in the existing group system.
Summary of the invention
The object of the invention is to provide the permanent online implementation method of dispatcher in a kind of trunked communication system, solves the problem of dispatcher's session timeout in the existing group system.And it is forever online to reach the dispatcher, as long as the dispatching desk client can have the HTTP request to send to the dispatching desk server before session timeout.
In order to achieve the above object, one aspect of the present invention provides a kind of dispatcher permanent online method, be used for realizing dispatcher forever online of group system, it can may further comprise the steps: step S102, be about to when overtime when the dispatching desk server detects the dispatching desk client-side session, send session refreshing message to the dispatching desk client by first agreement; Step S104 after the dispatching desk client receives session refreshing message, sends the session refreshing request to the dispatching desk server by second agreement; And step S106, the dispatching desk server receives after the session refreshing request, access time in the new session more, and return the session refreshing response to the dispatching desk client.
According to an aspect of the present invention, in step S102, whether the dispatching desk server can detect session by following steps soon overtime: dispatching desk startup of server scanning timer, can scan the last visit time of the dispatcher's of current all logins session every the scheduled time; Scanning gets access to after dispatcher's session, can obtain the last visit time from session, and according to duration of current time and the session of last visit Time Calculation; And the duration can be compared with predetermined threshold value, if the duration, thinks then that session will be soon overtime greater than threshold value.
According to an aspect of the present invention, the duration can be the poor of current time and last visit time.
What according to an aspect of the present invention, the scheduled time can be less than between the maximum duration of session and the threshold value is poor.
Wherein, first agreement can be UDP (User Datagram Protocol) agreement.Second agreement can be a http protocol.
In addition, can comprise dispatcher's number, message content and session identification in the session refreshing message.The session refreshing request can carry session identification and dispatcher's number.
According to an aspect of the present invention, in step S106, the dispatching desk server navigates to the dispatcher according to dispatcher's number and session identification after can receiving the session refreshing request that the dispatching desk client sends.
Another aspect of the present invention also provides a kind of dispatcher permanent on-line equipment, be used for realizing dispatcher forever online of group system, it can comprise: detect transmitting element, be positioned on the dispatching desk server, whether be used to detect the dispatching desk client-side session soon overtime, and be about under the overtime situation detecting the dispatching desk client-side session, send session refreshing message by first agreement to the dispatching desk client; Request transmitting unit is positioned at the dispatching desk client, is used for after receiving session refreshing message, sends the session refreshing request to the dispatching desk server by second agreement; And updating block, be positioned on the dispatching desk server, be used for after receiving the session refreshing request, access time in the new session more, and return the session refreshing response to the dispatching desk client.
According to a further aspect in the invention, in detecting transmitting element, can comprise: start module, be used for starting the scanning timer, the last visit time of dispatcher's session of current all logins is scanned every the scheduled time; Acquisition module is used for obtaining the last visit time from session after scanning gets access to dispatcher's session, and according to duration of current time and the session of last visit Time Calculation; And comparison module, be used for the duration is compared with predetermined threshold value, if the duration, thinks then that session will be soon overtime greater than threshold value.
Wherein, the duration can be the poor of current time and last visit time.The scheduled time poor less than between the maximum duration of session and the threshold value.
According to a further aspect in the invention, first agreement can be a udp protocol.Second agreement can be a http protocol.Can comprise dispatcher's number, message content and session identification in the session refreshing message.The session refreshing request can carry session identification and dispatcher's number.
According to a further aspect in the invention, in updating block, can also comprise locating module, be used for after receiving the session refreshing request that the dispatching desk client sends, navigating to the dispatcher according to dispatcher's number and session identification.
Therefore, the present invention as can be seen overcome the overtime shortcoming of dispatcher's session meeting in the existing group system, and implementation method is simple and practical.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to dispatcher permanent online method of the present invention;
Fig. 2 shows the frame diagram of the exemplary group system network that the present invention relates to;
Fig. 3 shows the realization flow figure overtime according to the scan schedule person of the embodiment of the invention;
Fig. 4 shows the permanent online flow process interaction figure according to dispatcher under the realization recording state of the embodiment of the invention; And
Fig. 5 shows the block diagram according to the permanent on-line equipment of dispatcher of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 shows the flow chart according to dispatcher permanent online method of the present invention, goes into shown in Figure 1ly, and this dispatcher permanent online method may further comprise the steps:
Step S102 is about to when overtime when the dispatching desk server detects the dispatching desk client-side session, sends session refreshing message by first agreement to the dispatching desk client;
Step S104 after the dispatching desk client receives session refreshing message, sends the session refreshing request to the dispatching desk server by second agreement; And
Step S106, dispatching desk server receive after the session refreshing request, access time in the new session more, and return the session refreshing response to the dispatching desk client.
In step S102, whether the dispatching desk server detects session by following steps soon overtime: dispatching desk startup of server scanning timer, scanned the last visit time of the dispatcher's of current all logins session every the scheduled time; Scanning gets access to after dispatcher's session, obtains the last visit time from session, and according to duration of current time and the session of last visit Time Calculation; And the duration compared with predetermined threshold value, if the duration, thinks then that session will be soon overtime greater than threshold value.
In addition, the duration is the poor of current time and last visit time.The scheduled time poor less than between the maximum duration of session and the threshold value.First agreement is a udp protocol.Second agreement is a http protocol.
Comprise dispatcher's number, message content and session identification in the session refreshing message.The session refreshing request carries session identification and dispatcher's number.
In step S106, the dispatching desk server navigates to the dispatcher according to dispatcher's number and session identification after receiving the session refreshing request that the dispatching desk client sends.
Fig. 2 shows the frame diagram of the exemplary group system network that the present invention relates to, and goes into shown in Figure 2ly, mainly comprises: travelling carriage 202 (MS, Mobile Station), base station system 204 (BSS, Base Station System), network equipment.Network equipment comprises PTT dispatch server 206 (PDS, PTT Dispatching Server), PTT home location register 208 (PHR, PTT Home Register), dispatching desk server 210 (DAS, Dispatching Agent Server) and dispatching desk client 212 (DAC, DisaptchingAgent Client).
Be that HTTP and udp protocol carry out communication by two kinds of agreements between dispatching desk server 210 and the dispatching desk client 212.The http protocol processing module 2104 of dispatch server 206 is responsible for the encoding and decoding of http protocols, and the page 2122 of it and dispatching desk client 212 carries out alternately; The udp protocol processing module 2106 of dispatch server 206 is responsible for the encoding and decoding of udp protocols, and the control 2124 of it and dispatching desk client 212 carries out alternately; The Service Processing Module 2102 of dispatching desk server 210 is responsible for Business Processing, and it calls HTTP processing module 2104 or UDP processing module 2106 and other network element and carries out communication; The control of dispatching desk client 212 is responsible for the encoding and decoding of udp protocol, and reporting event comes Notifications page 2122 to handle.
Fig. 3 shows the schematic flow sheet that is about to overtime dispatcher according to the dispatching desk whois lookup session of the embodiment of the invention.Set Tmax=30 minute, the maximum duration that its expression session can be survived; Talert=5 minute, session timeout is worked as in expression just need send the session refreshing request to the dispatcher in preceding 5 minutes; Tnow represents the current time; Taccess represents the up-to-date time of once receiving the HTTP request that client is sent of dispatching desk server; T=Tnow-Taccess; T=Tmax-Talert.Wherein Tmax and Talert can dispose, and just acquire in the dispatching desk startup of server.As shown in Figure 3, concrete steps are as follows:
Step S302, session scanning timer starts, and begins all dispatchers of current login are scanned, and session scanning timer is a cycle timer, and be less than the Talert duration its blanking time, and the time is more little, and precision is high more;
Step S304 judges whether all dispatchers are scanned, if, forward step S314 to, if not, then forward step S306 to;
Step S306 obtains a dispatcher, obtains dispatcher's session;
Step S308 obtains last visit time T access from session, calculate the t value;
Whether step S310 judges t greater than T, if enter into S312, otherwise jump to the judgement that S304 carries out next dispatcher;
Step S312, the session refreshing notification message of a UDP of structure has carried dispatcher's number and dispatcher's session identification in the message, issue the dispatching desk client, carries out next dispatcher's judgement then; And
Step S314, all dispatchers judged and finished, and the time that timer next time starts is set.
Like this, single pass just has been all over.
Fig. 4 realizes the permanent online flow chart of dispatcher under the recording state, after the dispatcher had dispatched a group, it was set to recording state, can be far longer than session largest interval time T max because call out the time that exists like this, therefore, often the recording of a calling can not all be enrolled.After adopting method of the present invention, just can guarantee that the dispatcher is forever online, recording can continue always.As shown in Figure 4, concrete steps are as follows:
Step S402, it is soon overtime that the Service Processing Module 4022 of dispatching desk server 402 adopts the detection method of Fig. 2 to detect session;
Step S404, the Service Processing Module 4022 of dispatching desk server 402 call UDP processing module 4024 and send the session refreshing notification message for dispatching desk client 404, and this message is based on UDP, has carried dispatcher's number and session identification in the message;
Step S406, the control 4042 of dispatching desk client 404 decode after receiving the session refreshing notice that dispatching desk server 402 sends, and report the page 4044 of an event notice to dispatching desk client 404 then;
Step S408 after the page 4044 of dispatching desk client 404 is received incident, sends the session refreshing request based on HTTP for dispatching desk server 402, has carried dispatcher's number and session identification in the request; And
Step S410, after dispatching desk server 402 is received the session refreshing request, send the session refreshing response for dispatching desk client 404, upgrade the access time in this dispatcher's session simultaneously, be set to the current time, when scanning next time timer starts like this, because this dispatcher's access time changes, t will be no longer greater than T so, and its session can exist, when session again with overtime the time, flow process above retransmitting, go round and begin again like this, dispatcher's session can be never overtime, so the dispatcher can be forever online.
Fig. 5 shows the block diagram of the permanent on-line equipment 500 of dispatcher according to the present invention.As shown in Figure 5, the permanent on-line equipment 500 of this dispatcher comprises:
Detect transmitting element 502, be positioned on the dispatching desk server, whether soon overtime, and be about under the overtime situation detecting the dispatching desk client-side session if being used to detect the dispatching desk client-side session, send session refreshing message by first agreement to the dispatching desk client;
Request transmitting unit 504 is positioned at the dispatching desk client, is used for after receiving session refreshing message, sends the session refreshing request to the dispatching desk server by second agreement; And
Updating block 506 is positioned on the dispatching desk server, is used for after receiving the session refreshing request, and access time in the new session more, and return the session refreshing response to the dispatching desk client.
In detecting transmitting element 502, comprising: start module 5022, be used for starting the scanning timer, the last visit time of dispatcher's session of current all logins is scanned every the scheduled time; Acquisition module 5024 is used for obtaining the last visit time from session after scanning gets access to dispatcher's session, and according to duration of current time and the session of last visit Time Calculation; And comparison module 5026, be used for the duration is compared with predetermined threshold value, if the duration, thinks then that session will be soon overtime greater than threshold value.Wherein, the duration is the poor of current time and last visit time.The scheduled time poor less than between the maximum duration of session and the threshold value.
In addition, first agreement is a udp protocol.Second agreement is a http protocol.Comprise dispatcher's number, message content and session identification in the session refreshing message.The session refreshing request carries session identification and dispatcher's number.
In updating block 506, also comprise locating module 5062, be used for after receiving the session refreshing request that the dispatching desk client sends, navigating to the dispatcher according to dispatcher's number and session identification.
In sum, method of the present invention is simple, practical, has effectively satisfied under the group system specific (special) requirements to dispatcher's session.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. dispatcher permanent online method is used for realizing it is characterized in that dispatcher forever online of group system, may further comprise the steps:
Step S102 is about to when overtime when the dispatching desk server detects the dispatching desk client-side session, sends session refreshing message by first agreement to described dispatching desk client;
Step S104 after described dispatching desk client receives described session refreshing message, sends the session refreshing request to described dispatching desk server by second agreement; And
Step S106, described dispatching desk server receives after the described session refreshing request, upgrades the access time in the described session, and returns the session refreshing response to described dispatching desk client.
2. dispatcher permanent online method according to claim 1 is characterized in that, in described step S102, whether described dispatching desk server detects described session by following steps soon overtime:
Described dispatching desk startup of server scanning timer scanned the last visit time of the dispatcher's of current all logins session every the scheduled time;
Scanning gets access to after dispatcher's session, obtains the last visit time from described session, and according to duration of current time and the described session of described last visit Time Calculation; And
The described duration is compared with predetermined threshold value, if the described duration, thinks then that described session will be soon overtime greater than described threshold value.
3. dispatcher permanent online method according to claim 1 is characterized in that, the described duration is the poor of described current time and described last visit time.
4. dispatcher permanent online method according to claim 2 is characterized in that, the described scheduled time poor less than between the maximum duration of described session and the described threshold value.
5. according to each described dispatcher permanent online method in the claim 1 to 4, it is characterized in that described first agreement is a udp protocol.
6. according to each described dispatcher permanent online method in the claim 1 to 4, it is characterized in that described second agreement is a http protocol.
7. according to each described dispatcher permanent online method in the claim 1 to 4, it is characterized in that, comprise dispatcher's number, message content and session identification in the described session refreshing message.
8. dispatcher permanent online method according to claim 7 is characterized in that, described session refreshing request carries described session identification and described dispatcher's number.
9. dispatcher permanent online method according to claim 8, it is characterized in that, in described step S106, described dispatching desk server navigates to described dispatcher according to described dispatcher's number and described session identification after receiving the described session refreshing request that described dispatching desk client sends.
10. permanent on-line equipment of dispatcher is used for realizing it is characterized in that dispatcher forever online of group system, comprising:
Detect transmitting element, be positioned on the described dispatching desk server, whether soon overtime, and be about under the overtime situation detecting described dispatching desk client-side session if being used to detect the dispatching desk client-side session, send session refreshing message by first agreement to described dispatching desk client;
Request transmitting unit is positioned at described dispatching desk client, is used for after receiving described session refreshing message, sends the session refreshing request to described dispatching desk server by second agreement; And
Updating block is positioned on the described dispatching desk server, is used for upgrading the access time in the described session after receiving described session refreshing request, and returns the session refreshing response to described dispatching desk client.
11. the permanent on-line equipment of dispatcher according to claim 10 is characterized in that, in described detection transmitting element, comprising:
Start module, be used for starting the scanning timer, the last visit time of dispatcher's session of current all logins is scanned every the scheduled time;
Acquisition module is used for obtaining the last visit time from described session after scanning gets access to dispatcher's session, and according to duration of current time and the described session of described last visit Time Calculation; And
Comparison module is used for the described duration is compared with predetermined threshold value, if the described duration, thinks then that described session will be soon overtime greater than described threshold value.
12. the permanent on-line equipment of dispatcher according to claim 11 is characterized in that, the described duration is the poor of described current time and described last visit time.
13. the permanent on-line equipment of dispatcher according to claim 11 is characterized in that, the described scheduled time poor less than between the maximum duration of described session and the described threshold value.
14., it is characterized in that described first agreement is a udp protocol according to the permanent on-line equipment of each described dispatcher in the claim 10 to 13.
15., it is characterized in that described second agreement is a http protocol according to the permanent on-line equipment of each described dispatcher in the claim 10 to 13.
16. according to the permanent on-line equipment of each described dispatcher in the claim 10 to 13, it is characterized in that, comprise dispatcher's number, message content and session identification in the described session refreshing message.
17. the permanent on-line equipment of dispatcher according to claim 16 is characterized in that, described session refreshing request carries described session identification and described dispatcher's number.
18. the permanent on-line equipment of dispatcher according to claim 17, it is characterized in that, in described updating block, also comprise locating module, be used for after receiving the described session refreshing request that described dispatching desk client sends, navigating to described dispatcher according to described dispatcher's number and described session identification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101115515A CN101098517A (en) | 2007-02-28 | 2007-06-19 | Dispatcher permanent online method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710080015 | 2007-02-28 | ||
| CN200710080015.3 | 2007-02-28 | ||
| CNA2007101115515A CN101098517A (en) | 2007-02-28 | 2007-06-19 | Dispatcher permanent online method and apparatus |
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| CN101098517A true CN101098517A (en) | 2008-01-02 |
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| CNA2007101115515A Pending CN101098517A (en) | 2007-02-28 | 2007-06-19 | Dispatcher permanent online method and apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162682A (en) * | 2015-07-29 | 2015-12-16 | 大连理工大学 | Method for realizing regular message pushing in off-line state |
| CN105682254A (en) * | 2014-11-19 | 2016-06-15 | 哈尔滨海能达科技有限公司 | Trunking communication system and control device and voice call timer management method in trunking communication system |
| CN105933375A (en) * | 2016-03-30 | 2016-09-07 | 广州华多网络科技有限公司 | Method, device and server for monitoring microphone connecting conversation |
| CN110445874A (en) * | 2019-08-14 | 2019-11-12 | 京东数字科技控股有限公司 | A kind of conversation processing method, device, equipment and storage medium |
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2007
- 2007-06-19 CN CNA2007101115515A patent/CN101098517A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682254A (en) * | 2014-11-19 | 2016-06-15 | 哈尔滨海能达科技有限公司 | Trunking communication system and control device and voice call timer management method in trunking communication system |
| CN105682254B (en) * | 2014-11-19 | 2021-01-19 | 哈尔滨海能达科技有限公司 | Cluster communication system, control device thereof and voice call timer management method |
| CN105162682A (en) * | 2015-07-29 | 2015-12-16 | 大连理工大学 | Method for realizing regular message pushing in off-line state |
| CN105933375A (en) * | 2016-03-30 | 2016-09-07 | 广州华多网络科技有限公司 | Method, device and server for monitoring microphone connecting conversation |
| CN105933375B (en) * | 2016-03-30 | 2019-12-24 | 广州华多网络科技有限公司 | Method and device for monitoring microphone connection session and server |
| CN110445874A (en) * | 2019-08-14 | 2019-11-12 | 京东数字科技控股有限公司 | A kind of conversation processing method, device, equipment and storage medium |
| CN110445874B (en) * | 2019-08-14 | 2020-09-01 | 京东数字科技控股有限公司 | Session processing method, device, equipment and storage medium |
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Open date: 20080102 |