CN102647314A - Client side on-line state judgment method and system - Google Patents
Client side on-line state judgment method and system Download PDFInfo
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Abstract
The invention discloses a client side on-line state judgment method and system and relates to the technical field of instant communication. The system comprises a server and at least one client side which carries out data interaction with the server, wherein the server is sued for initializing preset response time and preset heartbeat time; a timer is started to send a heartbeat package and a massage package to the client side, receives a return heartbeat confirmation package and a return message package which are sent by the client side, and judges the on-line state of the client side; and the client side is used for receiving the heartbeat package and the message package which are sent by the server and sending the return heartbeat confirmation package and the return message package to the server. According to the client side on-line state judgment method and system, the power consumption of the client side and the network flow consumption are considered, the on-line state judgment of the client side is realized by the heartbeat mechanism of the server and the self-detection mechanism of the active detection network state of the client side, the power consumption and network flow consumption of the client side are greatly lowered, and the use experience of a user at the client side is improved.
Description
Technical field
The present invention relates to the instant messaging field, relate in particular to a kind of client presence decision method and system thereof.
Background technology
In the instant communications field, realize the transmitting function of timely message, must guarantee that the connection between the server and client side is effective, so the judgement of client presence is particularly important.Technology all is to adopt heartbeat packet and disconnection reconnecting mechanism to realize that promptly through sending heartbeat packet from client, server responds judges whether client is online now.But under this scheme, client need start timer; Every at a distance from 3 to 5 minutes, just need a heartbeat packet and send to server, and need returning of waiting for server; Cause network traffics and electric quantity consumption to increase, make that the stand-by time of client, particularly mobile network appliance is too short; The online rate are too high, make troubles to the user.
Summary of the invention
Effective for the connection between the server and client side of instantaneous communication system, reduce client electric quantity consumption and network flow consumption, avoid the waste of resource, the invention provides a kind of client presence decision method and system thereof.Said technical scheme is following:
A kind of client presence decision method, said method comprises:
S1: server carries out initialization to preset response time and preset heart time, opens timer;
S2: server waits until that the timer timing reaches preset heart time and sends heartbeat packet to client, with timer zero clearing and reclocking;
S3:, with timer zero clearing and reclocking, and return step S2, otherwise judge that client is in off-line state if server receives that within the preset response time heartbeat of returning of client confirms bag.
Further, server carries out initialization to preset response time and preset heart time among the step S1, and method will be for presetting the response time and preset heart time is set at the time that the server-side system keeper sets.
Further, if receive the upstream message bag of this client in the service among the said step S2, then with timer zero clearing and reclocking, timer continues timing up to overtime and carry out this step once more.
Further, wherein said step S1 also comprises step S11 after opening timer: server is created online client side list, and initialization is carried out in tabulation to online client; Said step S2 specifically comprises S21: the time and the preset heart time of timer are compared, if overtime, server sends heartbeat packet to this online client, with timer zero clearing and reclocking, otherwise continues timing; Said step S3 specifically comprises S31: confirm bag if server reaches the heartbeat of receiving any client within the preset response time in the timer timing; Then this client is logged in the online client tabulation; When server reaches the preset response time in the timer timing; With timer zero clearing and reclocking, return step S21.
Further, said step S11 carries out initialization to online client tabulation and is specially: all online client are logged in the online client tabulation.
Further, before the said step S21, be connected to server or have the client network state to change application when reconnecting, this client is logged in the said online client tabulation as the client application.
A kind of client presence decision-making system, at least one client that comprises server and carry out data interaction with it;
Said server is used for preset response time and preset heart time are carried out initialization, opens timer, sends heartbeat packet and message bag to client, and bag and message bag are confirmed in the heartbeat of returning that receives the client transmission, judge the presence of client;
Said client is used for heartbeat packet and message bag that reception server sends, sends heartbeat to server and confirms bag and message bag.
Further, said server comprises transceiver module, timer, determination module; Transceiver module links to each other with determination module with timer, is used for sending heartbeat packet and message bag to client, receives heartbeat affirmation bag and message bag that client is sent; Timer links to each other with determination module with transceiver module, is used for timing; Determination module links to each other with timer with transceiver module, is used to judge the presence of client.When timing reaches preset heart time; Server sends heartbeat packet to said client; If server is received the said heartbeat affirmation bag that returns of said client within the said preset response time; Judge that then said client is in line states, otherwise judge that said client is in off-line state.
Further, said client comprises transceiver module, is used for heartbeat packet and message bag that reception server sends, sends heartbeat and confirms that bag and message bag are to server.
Further, said client also comprises selftest module, links to each other with transceiver module, is used to check client self networks connection status, and when the network state of client changed, the selftest module announcement server also sent to server and to connect application.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
Considered the consumption of client consumption of electric and network traffics, the selftest module of the heartbeat mechanism through server and the active detecting network state of client is realized the judgement of client presence.Server end mainly is to have consumed some internal memories, stores the time of timer, and is little to the performance impact of server; Client then need not start timer, need not just send a heartbeat packet at set intervals and send to server, only need respond the heartbeat packet of server and self network state is detected.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention;
Fig. 2 is a client presence decision method flow chart of the present invention;
Fig. 3 is embodiment one a client presence decision method flow chart;
Fig. 4 is embodiment two client presence decision method flow charts;
Fig. 5 is embodiment three client presence decision method flow charts.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
The invention provides a kind of client presence decision-making system, as shown in Figure 1, this system comprises that server 100 reaches at least one client of carrying out data interaction with it, like client 200, and client 300 and client N.
Wherein, Each client may operate on the multiple terminal communication equipment like client 200, client 300 and client N, for example personal computer; Personal digital assistant (Personal Digital Assistant; Be called for short " PDA "), mobile communication terminal device is like 3G mobile, GSM mobile handset, CDMA mobile phone, Personal Handyphone System, various webpage clients etc.Client 200, transceiver module and the selftest module of client 300 and client N are identical.
Be the internal structure that example specifies this instantaneous communication system with server 100 and client 200 below.
Above-mentioned message bag can comprise user message or system message, and heartbeat packet can be each client and good fixed news or the command word of server 100 predefineds with returning heartbeat affirmation bag.
The client presence decision-making system that native system provides has changed client transmission heartbeat packet in the prior art, the pattern of server response; The electric quantity consumption and the traffic consumes of client have been considered; Send heartbeat packet through server, client end response keeps the forever online of client.In the present embodiment; Client then need not start timer; Need not just send a heartbeat packet at set intervals and send to server; Only need respond and self network state is detected, reduce the consumption of the consumption of electric and the network traffics of client significantly the heartbeat packet of server.
Embodiment one
Server is opened a timer and an online client tabulation; The client of current online is put down in writing; Server arrives the client mass-sending heartbeat packet of Preset Time in this all tabulations; Then online client tabulation is emptied and certain predetermined is received within the time that it returns heartbeat and confirms that client (being online client) of bag loads in this tabulation; And will during the client of application successful connection or network handover success also be documented in this tabulation, with the client in this tabulation as the object of mass-sending heartbeat packet next time.
To combine Fig. 3 this method to be described further in detail the flow process of this method below.
S301: server is opened timer, is created online client side list;
S302: timer zero clearing;
S303: timer timing;
S304: judge whether timing reaches preset heart time, if get into step S305, otherwise return step S303;
S305: each client of record is sent heartbeat packet in the online client tabulation;
S306: timer zero clearing;
S307: empty the online client tabulation;
S308: timer timing;
S309: judge whether the timer timing reaches the preset response time, if return step S302, otherwise get into S310;
S310: bag is confirmed in the heartbeat of returning of receiving any client;
S311: this client is logged in the online client tabulation, and returns step S308;
S312:, return step S311 in whole process if client application connection is arranged or reconnect server and success.
Wherein, the online client tabulation can be represented with array, formation or class object among the S301.If the record of current online client in pair system is just arranged in the server originally, then can directly use, do not need record again.
In the present embodiment; Concerning server; Only need open a timer, just can determine when all online client are sent heartbeat packet, more than only being the work of some clients of in online customer list, putting down in writing transmission heartbeat packet; And consumed some internal memories and stored the timer time client-side information online with record, performance impact is little; And each client only need be confirmed response and the self networks state is monitored the heartbeat packet of the client received; Avoided in the prior art each client all need open the work that thread regularly server sends heartbeat packet, the very big workload that its presence is judged that reduced.
Embodiment two
Present embodiment provides a kind of decision method to the client presence; This method is that server is opened a timer to each online client; Timing reaches preset heart time and then sends heartbeat packet to this client; The timer reclocking checks that whether server receives that within the preset response time heartbeat of returning of this client confirms bag, judges in view of the above whether this client is online.
To combine Fig. 4 that this method is done to describe in detail further below.
S401: server is opened timer;
S402: timer zero clearing;
S403: timer timing;
S404: judge whether timing reaches preset heart time, is then to get into S406, otherwise return step S403;
S406: server sends heartbeat packet to client;
S407: timer zero clearing;
S408: timer timing;
S409: judge whether timing reaches preset and ring with regard to the time, is then to get into S411, otherwise get into S410;
S410: judge that whether server receives the heartbeat affirmation bag that client is returned, and is then to return step S402, otherwise returns step S408;
S411: judge that client is in off-line state, closes timer.
Wherein, preset heart time among the S404 and the preset response time among the S409 all can be provided with, and can be set to the same time.
The present embodiment scheme is that method is: server is opened a timer for each online client; It is with embodiment one difference: the quantity that server is opened timer by one become online client sum; At client terminal quantity seldom, increase the quantity of timer under the more stable again situation of client presence and exempted to online client tabulation and managed.Therefore has certain use advantage under less at client terminal quantity and the situation that the client presence is more stable.
Embodiment three
Present embodiment provides a kind of decision method to the client presence, and concrete grammar is as shown in Figure 5,
S501: server is opened timer;
S502: timer zero clearing;
S403: timer timing;
S5044: judge whether timing reaches preset heart time, be then to get into step S506, otherwise get into S505;
S505: whether, be then return step S502, otherwise return step S503 if having the message of this client to wrap row on the determining server;
S506: server sends heartbeat packet to client;
S507: timer zero clearing;
S508: timer timing;
S509: judge whether timing reaches the preset response time, is then to get into S511, otherwise get into S510;
S510: judge that whether server receives the heartbeat affirmation bag that client is returned, and is then to return step S502, otherwise returns step S508;
S511: judge that client is in off-line state, closes timer.
Compare with embodiment two, the present embodiment characteristics are: the timing zero clearing also picks up counting again when client is received the message bag.
In the communication process of client and server; If client, is then taking a part of hardware resource of client and server to server transmissioning data, if said client is the mobile network terminal; When itself and server interaction; Carry out frequent heartbeat packet and heartbeat and confirm the transmission of bag and receive to occur network or mobile network's instability easily, even cause heartbeat packet and heartbeat to confirm packet loss, make (when promptly receiving) under the normal situation of communication port with transmission packet; Client judge that client is in off-line state and strong beat its land again, influenced user experience.Therefore; Present embodiment realizes that in timer timing course client has message to wrap row then with the timing zero clearing reclocking of timer; Reduce heartbeat packet and heartbeat and confirm the transmission and the reception of bag; In client power saving and amount of restriction, make network more stable, user experience is promoted further.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. client presence decision method is characterized in that said method comprises:
S1: server carries out initialization to preset response time and preset heart time, opens timer;
S2: server waits until that the timer timing reaches preset heart time and sends heartbeat packet to client, with said timer zero clearing and reclocking;
S3:, with timer zero clearing and reclocking, and return step S2, otherwise judge that this client is in off-line state if server receives that within the preset response time heartbeat of returning of said client confirms bag.
2. client presence decision method as claimed in claim 1; It is characterized in that; Server carries out initialization to preset response time and preset heart time among the step S1, and method will be for presetting the response time and preset heart time is set at the time that the server-side system keeper sets.
3. client presence decision method as claimed in claim 1 is characterized in that wherein step S2 also comprises: if there is the message of client to wrap row then with this timer zero clearing and reclocking in the service.
4. according to claim 1 or claim 2 client presence decision method is characterized in that,
Wherein said step S1 also comprises step S11 after opening timer: server is created online client side list, and all online client are carried out initialization;
Step S2 specifically comprises S21: for online client, time of this client timer and the preset heart time of server are compared, if overtime, server is to this online client heartbeat packet, and reclocking is also waited for the return results of heartbeat packet.
Said step S3 specifically comprises S31: confirm bag if server reaches the heartbeat of returning of receiving this client within the preset response time in the timer timing, with zero clearing of client timer and reclocking, return step S21.
5. client presence decision method as claimed in claim 4 is characterized in that, step S11 carries out initialization to all online client and is specially: all clients are logged in the online client tabulation.
6. client presence decision method as claimed in claim 4; It is characterized in that; Before step S21, be connected to server or have the client network state to change application when reconnecting as the client application, this client is updated in the online client tabulation.
7. a client presence decision-making system is characterized in that, at least one client that comprises server and carry out data interaction with it;
Said server is used for preset response time and preset heart time are carried out initialization, opens timer, sends heartbeat packet and message bag to online client, and bag and message bag are confirmed in the heartbeat of returning that receives the client transmission, judge the presence of client;
Said client is used for heartbeat packet and message bag that reception server sends, sends heartbeat to server and confirms bag and message bag.
8. client presence decision-making system as claimed in claim 7 is characterized in that server comprises transceiver module, timer, determination module;
Said transceiver module links to each other with determination module with timer, is used for sending heartbeat packet and message bag to client, receives heartbeat affirmation bag and message bag that client is sent;
Said timer links to each other with determination module with transceiver module, is used for timing;
Said determination module links to each other with timer with transceiver module, is used to judge the presence of said client.When timing reaches preset heart time, server sends heartbeat packet to client, if server receives that within the preset response time heartbeat of client confirms bag, judges that then client is in line states, otherwise judges that client is in off-line state.
9. like claim 7 or 8 described client presence decision-making systems, it is characterized in that client comprises transceiver module, be used for heartbeat packet and message bag that reception server sends, send heartbeat and confirm that bag and message bag are to server.
10. client presence decision-making system as claimed in claim 9; It is characterized in that; Client also comprises selftest module, links to each other with transceiver module, is used to check client self networks connection status; When the network state of client changed, the selftest module announcement server also sent to server and to connect application.
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