CN105744379A - Method for realizing early warning, and server - Google Patents
Method for realizing early warning, and server Download PDFInfo
- Publication number
- CN105744379A CN105744379A CN201410765063.6A CN201410765063A CN105744379A CN 105744379 A CN105744379 A CN 105744379A CN 201410765063 A CN201410765063 A CN 201410765063A CN 105744379 A CN105744379 A CN 105744379A
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- terminal unit
- server
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- early warning
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
Abstract
The invention discloses a method for realizing an early warning, and a server. The method comprises the following steps: a server receiving an early warning instruction; the server, according to the early warning instruction, redirecting a channel which a terminal device connected with the server is currently at to an early warning channel; and the server sending early warning information to the terminal device through the early warning channel. According to the scheme provided by the invention, the early warning information is sent to the terminal device through the early warning channel so that people of communities can be notified of the early warning information timely.
Description
Technical field
The present invention relates to communication early warning field, espespecially a kind of method realizing early warning and server.
Background technology
Nowadays IPTV has become as most important topmost DTV access way, and this business realized based on TCP/IP technology also has many deficiencies on business integrity.
When there is emergency or natural disaster in the cell, it usually needs the masses of cell management Yuan Xiang community send alarm so that the masses of community can withdraw evacuation in time.
The existing method realizing early warning is substantially: cell management person and early warning information is shown on the upper hurdle of a certain channel or lower hurdle in the way of captions by GuangDian Center, and user oneself must open the channel specified just can see early warning information.If the masses of community do not navigate on this channel, then cannot know early warning information in time, thus evacuation cannot be withdrawn in time.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of method realizing early warning and server so that the masses of community can know early warning information in time.
In order to achieve the above object, the present invention proposes a kind of method realizing early warning, including:
Server receives alarm command；
The channel that the terminal unit being connected with server is presently in, according to described alarm command, is redirected to early warning channel by server；
Server sends early warning information by described early warning channel to terminal unit.
Preferably, described the channel that the terminal unit being connected with server is presently in be redirected to early warning channel specifically include:
Described server sends redirection message to described terminal unit；
Described server receives the status information that described terminal unit returns according to described redirection message；
The channel that described terminal unit is presently in, after receiving the status information that described terminal returns, is redirected to described early warning channel by described server.
Preferably, described status information includes the network address information of described terminal unit, current operating state and the channel being presently in.
Preferably, the described channel being presently in by terminal unit is redirected to early warning channel and includes:
By HTML (Hypertext Markup Language) HTTP message mode, the channel that described terminal unit is presently in is redirected to described early warning channel.
Preferably, after described server receives alarm command, described the channel that the terminal unit being connected with server is presently in is redirected to early warning channel before also include:
Described server judges that the link between self and terminal unit is on-state.
Preferably, described server judges that the link between self and terminal unit is that on-state includes:
Described server sends detection messages to described terminal unit, receives the returned packet from described terminal unit；
Described server judges that the instruction information in described returned packet is for representing terminal unit access server.
The invention allows for a kind of server, at least include:
Control module, be used for receiving alarm command；
Redirection module, for according to described alarm command, being redirected to early warning channel by the channel that the terminal unit being connected with server is presently in；
Streaming Media sending module, for sending early warning information by described early warning channel to terminal unit.
Preferably, described redirection module specifically for:
Redirection message is sent to described terminal unit；Receive the status information that described terminal unit returns according to described redirection message；After receiving the status information that described terminal returns, the channel that described terminal unit is presently in is redirected to described early warning channel.
Preferably, described redirection module specifically for:
Redirection message is sent to described terminal unit；Receive the status information that described terminal unit returns according to described redirection message；After receiving the status information that described terminal returns, by HTML (Hypertext Markup Language) HTTP message mode, the channel that described terminal unit is presently in is redirected to described early warning channel.
Preferably, described control module is additionally operable to:
Judge that the link between self and terminal unit is on-state.
Preferably, described control module is additionally operable to:
Send detection messages to described terminal unit, receive the returned packet from described terminal unit；Judge that the instruction information in described returned packet is for representing terminal unit access server.Compared with prior art, the present invention solves the deficiency in the transmission of conventional IPTV message flexibly, as long as meeting and just early warning information can sending user accurately under the state that terminal is opened, manager can simply send early warning information, has expanded the function of IPTV.By the solution of the present invention, send early warning information by early warning channel to terminal unit, thus in time early warning information being notified the masses of community.When there is emergency in an IPTV subzone network, as long as the IPTV manager of community issues early warning information, no matter which channel user is in it can be seen that early warning information.The spectators watched TV just can obtain the alarm from IPTV TV the very first time, withdraws evacuation in time.This system cost is low, simple to operation, and contact customer group is relatively wide, can play the prompting that user is very eye-catching.
Accompanying drawing explanation
Below the accompanying drawing in the embodiment of the present invention being illustrated, the accompanying drawing in embodiment is for a further understanding of the present invention, is used for explaining the present invention, is not intended that limiting the scope of the invention together with description.
Fig. 1 is the flow chart that the present invention realizes the method for early warning；
Fig. 2 is the structure composition schematic diagram of server of the present invention；
Fig. 3 is the flow chart that the present invention realizes the specific embodiment of the method for early warning；
Fig. 4 is monitoring server of the present invention self to the flow chart of the method for the state of the link between terminal unit；
Fig. 5 is IPTV software architecture schematic diagram of the present invention；
Fig. 6 is the flow chart that terminal unit is redirected to early warning channel by server.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.It should be noted that when not conflicting, the embodiment in the application and the various modes in embodiment can be mutually combined.
Referring to Fig. 1, the present invention proposes a kind of method realizing early warning, including:
Step 100, server receive alarm command.
In this step, alarm command may come from cell management person, and alarm command can be realized by button or switch.
The channel that the terminal unit being connected with server is presently in, according to alarm command, is redirected to early warning channel by step 101, server.
In this step, terminal unit can be the Set Top Box of IPTV (IPTV, InternetProtocolTelevision).
In this step, after server receives alarm command, can also include before the channel that the terminal unit being connected with server is presently in is redirected to early warning channel: the link that server is judged between self and terminal unit is on-state.
Wherein, if server judges that the link between self and terminal unit is off-state, then process ends.
Wherein, server judges that the state of the link between self and terminal unit includes:
Server sends detection messages to terminal unit, receives the returned packet from terminal unit, judges the state of the link between self and terminal unit according to the instruction information in returned packet.
When the instruction information that server is judged in returned packet access server non-for expression terminal unit, server judges that the link between self and terminal unit is off-state；When server judges the instruction information in returned packet for representing terminal unit access server, server judges that the link between self and terminal unit is on-state.
Wherein, terminal unit is after receiving detection messages, if self is not switched on, then sends the returned packet including the instruction non-access server of terminal unit to server；If self opens, then send the returned packet including instruction terminal unit access server to server, and the channel that terminal unit is presently in can be indicated in returned packet.
In this step, the channel being presently in by terminal unit also includes before being redirected to early warning channel:
Server receives the request message from terminal unit, it is judged that terminal unit needs to redirect.
Wherein, it is judged that terminal unit includes the need of redirecting:
Judging that request message is transmission control protocol (TCP, TransmissionControlProtocol) message, request message is HTML (Hypertext Markup Language) (HTTP, HyperTransportProtocol) message.
In this step, the channel being presently in by terminal unit is redirected to early warning channel and includes:
Server sends redirection message to terminal unit；Server receives the status information that terminal unit returns according to redirection message；Server is after receiving the status information that terminal returns, and the channel being presently in by terminal unit is redirected to early warning channel.
Wherein, status information includes the network address information of terminal unit, current operating state and the channel being presently in.Wherein, namely current operating state represents whether terminal unit is current online.
Wherein, the channel that terminal unit is presently in is redirected to early warning channel to include:
The channel being presently in by terminal unit by HTML (Hypertext Markup Language) (HTTP, HypertextTransferProtocol) message mode is redirected to early warning channel.
Specifically, it is possible to the channel being presently in by terminal unit by the 301 of TCP/IP redirection agreements is redirected to early warning channel, implements the known general knowledge belonging to those skilled in the art, the protection domain being not intended to limit the present invention, repeats no more here.
Step 102, server send early warning information by early warning channel to terminal unit.
In this step, early warning information can be the video or word prerecorded, or other form, as long as by sending early warning information, user will appreciate that dangerous information is just passable.
In this step, early warning information pre-saves in the server.
Referring to Fig. 2, the invention allows for a kind of server, at least include:
Control module, be used for receiving alarm command；
Redirection module, for according to alarm command, being redirected to early warning channel by the channel that the terminal unit being connected with server is presently in；
Specific stream media sending module, for sending early warning information by early warning channel to terminal unit.
In the server of the present invention, redirection module specifically for:
Redirection message is sent to terminal unit；Receive the status information that terminal unit returns according to redirection message；After receiving the status information that terminal returns, the channel being presently in by terminal unit is redirected to early warning channel.
In the server of the present invention, redirection module specifically for:
Redirection message is sent to terminal unit；Receive the status information that terminal unit returns according to described redirection message；After receiving the status information that described terminal returns, the channel being presently in by terminal unit by HTML (Hypertext Markup Language) HTTP message mode is redirected to early warning channel.
In the server of the present invention, control module and be additionally operable to:
Judge that the link between self and terminal unit is on-state.
In the server of the present invention, control module and be additionally operable to:
Send detection messages to terminal unit, receive the returned packet from terminal unit；Judge that the instruction information in returned packet is for representing terminal unit access server.
Below by the method that specific embodiment describes the present invention in detail.
First embodiment, Fig. 3 utilizes the IPTV method realizing early warning.As it is shown on figure 3, the method includes:
Step 300, IPTV server periodically monitor the state of the link between the Set Top Box self arriving IPTV.
Step 301, when running into emergency or emergency case, the channel that the Set Top Box of the IPTV that state is on-state of the link between IPTV server is presently in is redirected to early warning channel by cell management person.
Step 302, IPTV server play the early warning information recorded in advance, and dangerous information notifies each user.
Second embodiment, Fig. 4 is monitoring server self to the flow chart of the method for the state of the link between terminal unit.As shown in Figure 4, the method includes:
Step 400, server send detection messages to terminal unit.
If step 401 terminal unit is not switched on, then to then sending the returned packet including the instruction non-access server of terminal unit to server；If self opens, then send the returned packet including instruction terminal unit access server to server, and the channel that terminal unit is presently in can be indicated in returned packet.
3rd embodiment, Fig. 5 is IPTV software architecture schematic diagram.As it is shown in figure 5, IPTV software architecture includes: supporting layer, operation layer, Internet and client layer.
Wherein, operation layer includes streaming media service, content production, application program service；Internet includes bearer network (having the wired or wireless network that QOS controls)；Client layer includes IPTV set top box and display terminal.
4th embodiment, as in figure 2 it is shown, comprise control module in the server, redirection module, specific stream media sending module.
Wherein, control module and be used for: periodically send detection messages to terminal unit, receive the returned packet from terminal unit.
Redirection module is used for: the channel being presently in by terminal unit is redirected to the channel (i.e. early warning channel) that early warning is specified in advance.
Specific stream media sending module for: the early warning information preserved in advance is sent to terminal unit by the mode of Streaming Media.
Terminal unit is used for: receive the detection messages from server, sends the returned packet including instruction information to the control module of server；Broadcasting is displayed after receiving early warning information.
Such as: terminal unit is seeing the sports cast of 11 channels, when there is fire alarm in community, terminal unit is also at the sports cast accessing 11 channels, the request message that terminal unit sends to 11 channels can be redirected to early warning channel through redirection module, and then specific stream media module plays early warning information.
5th embodiment, controls module and can send detection module (for xml form) at intervals to terminal unit.After cell management person triggers alarm command, redirection module can with the form carry of linux kernel hook in network-driven, time the natural disasters such as fire alarm occur when community, the channel switch that terminal unit is presently in by a button by cell management person is to early warning channel, and early warning information is sent to terminal unit with http form and plays out.This completes early warning information and be sent to the process of terminal unit.Visible, for a user, whole process is all transparent, as long as ensureing what terminal unit was on, it is possible to early warning information is sent to user's display terminal.
Sixth embodiment, Fig. 6 is the flow chart that terminal unit is redirected to early warning channel by server, as shown in Figure 6, for the packet via hook program hook, redirection module can first determine whether whether it belongs to TCP message, if belongs to http message, in this process, as long as there being one to be unsatisfactory for condition, then mean that this message need not be redirected, this message directly can be let pass so that it goes down according to original path transmission.When all conditions all meets, then being intended to this message is redirected, it is necessary to explanation, redirection here is not the whereabouts only revising message, but directly abandon this message, then imitate destination and inform the user that target has migrated and migration address.
The invention solves the problem that cannot receive, when the terminal of IPTV user is in different channel, the real time information that IPTV server sends.Real-time early warning information dissemination method based on IPTV provided by the invention, when there is emergency in community, as long as turning on the user of TV, screen all can be switched to the channel that cell management person specifies, and implements and includes: terminal set top box can normally receive to identify and return and control the redirection message that end sends；Control end (i.e. server end) and redirection message can be sent, the message instruction that identification terminal equipment returns；Server end can send the Streaming Media message with early warning information to end.
All customer services in cell server normal management community, detection customer service whether normal operation, server can send a whether online instruction of detection user to community user, confirms User Status
Server can send the network address that a message confirms that each user in community is current, and reports the current number of users connected, and establishes correct route information table, it is ensured that it is logical for can having the link that information is sent to terminal unit from server end.
Terminal can return to server information after receiving the specific confirmation message that server sends, and the information of return includes the network address of terminal unit and the currently available state of terminal, sends information package to server side with the form of IP message
The channel of user, behind the network address receiving terminal transmission and status information, is redirected to specified channel by server, controls end and can send a Streaming Media comprising early warning information.
The device of the community early warning based on IPTV provided by the invention is by controlling the transmission of module streaming media message, the detection of community user state；By interface module, identify the redirection message that server end sends, and return to server network address and cell terminal duty；By redirection message, the server information to community user network site, and terminal works channel information is collected, redirect to specified channel；By specific stream media sending module, the Streaming Media carrying early warning information message is transmitted from above at specified circuit.Controlling module and carry out community judgement, in community, server is implemented to collect to end message, it is ensured that cell server can be used to terminal links, plans as a whole redirection module and specific stream media sending module.Interface module is operated in terminal, when server side sends redirection message, is responsible for returning network address information and the current device status information (include channel and whether terminal is online) of terminal unit.Redirection module: comprise and determine unit, sends confirmation message to user terminal, obtains user terminal information；Identifying unit, it is determined that the redirection function of user terminal has already turned on；Redirect unit, channel current for terminal unit is redirected to specified channel.Specific stream media sending module, by early warning information packed for server cell manager, is sent to terminal equipment side by controlling module.
The present invention solves the deficiency in the transmission of conventional IPTV message flexibly, as long as meeting, appointment information just can send under the state that terminal is opened appointment user accurately to, and manager can simply send appointment information, has expanded the function of IPTV.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
It should be noted that; embodiment described above is for only for ease of those skilled in the art and understands; it is not limited to protection scope of the present invention; under the premise without departing from the inventive concept of the present invention, those skilled in the art to the made any apparent replacement and improvement etc. of the present invention all within protection scope of the present invention.
Claims (11)
1. the method realizing early warning, it is characterised in that including:
Server receives alarm command；
The channel that the terminal unit being connected with server is presently in, according to described alarm command, is redirected to early warning channel by server；
Server sends early warning information by described early warning channel to terminal unit.
2. method according to claim 1, it is characterised in that described the channel that the terminal unit being connected with server is presently in is redirected to early warning channel specifically includes:
Described server sends redirection message to described terminal unit；
Described server receives the status information that described terminal unit returns according to described redirection message；
The channel that described terminal unit is presently in, after receiving the status information that described terminal returns, is redirected to described early warning channel by described server.
3. method according to claim 2, it is characterised in that described status information includes the network address information of described terminal unit, current operating state and the channel being presently in.
4. method according to claim 2, it is characterised in that the described channel being presently in by terminal unit is redirected to early warning channel and includes:
By HTML (Hypertext Markup Language) HTTP message mode, the channel that described terminal unit is presently in is redirected to described early warning channel.
5. method according to claim 1, it is characterised in that after described server receives alarm command, described the channel that the terminal unit being connected with server is presently in is redirected to early warning channel before also include:
Described server judges that the link between self and terminal unit is on-state.
6. method according to claim 5, it is characterised in that described server judges that the link between self and terminal unit is that on-state includes:
Described server sends detection messages to described terminal unit, receives the returned packet from described terminal unit；
Described server judges that the instruction information in described returned packet is for representing terminal unit access server.
7. a server, it is characterised in that at least include:
Control module, be used for receiving alarm command；
Redirection module, for according to described alarm command, being redirected to early warning channel by the channel that the terminal unit being connected with server is presently in；
Streaming Media sending module, for sending early warning information by described early warning channel to terminal unit.
8. server according to claim 7, it is characterised in that described redirection module specifically for:
Redirection message is sent to described terminal unit；Receive the status information that described terminal unit returns according to described redirection message；After receiving the status information that described terminal returns, the channel that described terminal unit is presently in is redirected to described early warning channel.
9. server according to claim 7, it is characterised in that described redirection module specifically for:
Redirection message is sent to described terminal unit；Receive the status information that described terminal unit returns according to described redirection message；After receiving the status information that described terminal returns, by HTML (Hypertext Markup Language) HTTP message mode, the channel that described terminal unit is presently in is redirected to described early warning channel.
10. server according to claim 7, it is characterised in that described control module is additionally operable to:
Judge that the link between self and terminal unit is on-state.
11. server according to claim 10, it is characterised in that described control module is additionally operable to:
Send detection messages to described terminal unit, receive the returned packet from described terminal unit；Judge that the instruction information in described returned packet is for representing terminal unit access server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765063.6A CN105744379A (en) | 2014-12-11 | 2014-12-11 | Method for realizing early warning, and server |
| PCT/CN2015/074953 WO2015184905A1 (en) | 2014-12-11 | 2015-03-24 | Method for realizing early warning and server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765063.6A CN105744379A (en) | 2014-12-11 | 2014-12-11 | Method for realizing early warning, and server |
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| CN105744379A true CN105744379A (en) | 2016-07-06 |
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| CN201410765063.6A Pending CN105744379A (en) | 2014-12-11 | 2014-12-11 | Method for realizing early warning, and server |
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| CN (1) | CN105744379A (en) |
| WO (1) | WO2015184905A1 (en) |
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| WO2015184905A1 (en) | 2015-12-10 |
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Application publication date: 20160706 |