CN103064889A - Method for fast responding to global position system (GPS) inquiry - Google Patents
Method for fast responding to global position system (GPS) inquiry Download PDFInfo
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- CN103064889A CN103064889A CN2012105306103A CN201210530610A CN103064889A CN 103064889 A CN103064889 A CN 103064889A CN 2012105306103 A CN2012105306103 A CN 2012105306103A CN 201210530610 A CN201210530610 A CN 201210530610A CN 103064889 A CN103064889 A CN 103064889A
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Abstract
The invention relates to a global position system (GPS), in particular to a method of a service side for fast responding to GPS inquiry of a client side. A method for fast responding to global position system (GPS) inquiry comprises the following steps: (1) the client side transmits GPS inquiring requests to the service side; (2) the service side inquires the GPS data needing requiring according to data information of the GPS inquiring requests, returning to incapable inquiry instructions and reminding at the client side if inquiry cannot be performed, and performing the following processing if the inquiry is finished: the service side divides the GPS inquiry into different task types, and the different types respectively correspond to different priorities; and simultaneously the service side creates two threading, namely a task detection threading and a map processing threading for processing the tasks of different priorities; and (3) the service side analyzes the GPS data of the tasks being processed in the map processing threading, and updates the analyzed data to an interface of the client side. By means of the fast response GPS inquire method, the service side can fast respond to the GPS inquiry of the client side, and reporting loss of the progress of the service side can be avoided.
Description
Technical field
The present invention relates to gps system, especially about the method for the GPS of the quick customer in response end of service end inquiry.
Background technology
Development along with automobile industry, a large amount of vehicles all is equipped with GPS equipment (being client), the client for the real time position of vehicle also require more and more accurate, if many clients are enquiring vehicle positions or the history of the checking vehicle record that travels simultaneously, these all need to parse the particular location of vehicle, with these position display on map, this just causes the many tasks of service end to be asked simultaneously, process simultaneously many tasks, may cause the service end process to be hung, what detail location was resolved also may be detailed not, processes which task delay disposal so will consider which priority of task, which type for the treatment of mechanism to go to process these tasks with, the client need not be waited for for a long time, and the position that parses is also more accurate, and efficient is also higher.
Summary of the invention
Therefore, the present invention proposes a kind of method of quick response GPS inquiry, and service end is responded fast for the GPS inquiry of client, and the generation of avoiding the service end process to hang.
The following technical scheme of the concrete employing of the present invention:
The method of response GPS inquiry comprises the steps: fast
(1) client is sent the GPS query requests to service end;
(2) gps data that will inquire about at data base querying according to the data message of GPS query requests of service end, if can't inquire, then returning can't query statement and point out in client, if inquire, then be handled as follows: service end is divided into the different task type with the GPS inquiry, the different priority of dissimilar respectively correspondences; Service end creates 2 threads simultaneously: task detects thread and map processing threads, carries out the task of different priorities and processes;
(3) service end is resolved the gps data of the task of processing in the map processing threads, with the Data Update after resolving to the interface of client.
Further, service end is divided into 5 kinds of task type: UDP with the GPS inquiry asks map parsing, DB point request analysis, DB to ask certain vehicle-state parsing, the parsing of DB request historical record, free time to be resolved, the different priority of dissimilar respectively correspondences, be respectively: it is the I level that UDP request map is resolved, DB point request analysis II level, it is the III level that DB asks certain vehicle-state to be resolved, it is the IV level that DB request historical record is resolved, the free time parsing is the V level, wherein the priority of I level is the highest, and the priority of V is minimum.
Further, this task detects the priority Check processing that thread carries out task type, and gives the map processing threads with the highest task of current priority that detects and carry out processing; In this map processing threads, if being lower than task, the handled task of map processing threads detects the highest task of current priority that thread detects, then the map processing threads suspends current handled low priority task immediately, then go to process high-priority task, until high-priority task is handled, return to process again low priority task just now, if the highest task of current priority that the task detection detected task priority of thread and map processing threads detect is same one-level, then the map processing threads is processed first the task in the hand, then goes to process the detected task of thread that detects again.
The present invention is by technique scheme, can allow the GPS inquiry of the quick customer in response end of service end, simultaneously also Optimized Service end and the generation of avoiding the service end process to hang.By the method, the client requests of GPS client need not wait for that for a long time the map location that parses simultaneously is also more accurate, and efficient is also higher.
Embodiment
Now the present invention is further described in conjunction with embodiment.
The method of this embodiment comprises the steps:
(1) when the client wants enquiring vehicle information, then sends the GPS query requests by client to service end.
(2) gps data that will inquire about at data base querying according to the data message of GPS query requests of service end, if can't inquire, then returning can't query statement, and point out in client, if inquire, then enter step (3), be handled as follows:
(3) service end is divided into the parsing of 5 kinds of task type: UDP request maps with the GPS inquiry, DB point request analysis, DB asks certain vehicle-state to be resolved, DB request historical record is resolved, free time resolves, the different priority of dissimilar respectively correspondences, be respectively: it is the I level that UDP request map is resolved, DB point request analysis II level, it is the III level that DB asks certain vehicle-state to be resolved, it is the IV level that DB request historical record is resolved, the free time parsing is the V level, wherein the priority of I level is the highest, the priority of V is minimum, the priority of each task type is different, and processing sequence is also just different.Specific as follows:
UDP request map is resolved, refer to that namely the data of accepting directly walk UDP(User Datagram Protocol, User Datagram Protoco (UDP)) mode, UDP is a kind of connectionless transport layer protocol in the OSI Reference Model, and the simple unreliable information transfer service towards things is provided.Because UDP do not belong to the connecting-type agreement, it is little to have a resource consumption, and the advantage that processing speed is fast is faster at the transmission side data face velocity, so that priority should be is the highest.
DB(Date Base, database) some request analysis, namely refer to when the client inquires about the particular location of certain vehicle at certain time point, after request sends, obtain the data such as corresponding longitude and latitude in the database, the IP that the computer of longitude and latitude data and client is corresponding sends to service end, and service end pair warp and weft degree is resolved, return the employed client of client in the result that will resolve by middleware software, the client just can view the specifying information of the historical point of vehicle.
DB asks certain vehicle-state to be resolved, refer to that namely the client inquires about the present real-time status of certain vehicle or particular location, after request sends, from database, obtain corresponding gps data, then the IP that the computer of longitude and latitude data and client is corresponding sends to service end, service end pair warp and weft degree is resolved, and returns the employed client of client in the result that will resolve by middleware software, and the client just can view the specifying information of the historical point of vehicle.
DB request historical record is resolved, refer to that namely the client checks the specifying information of Vehicle Driving Cycle in historical certain period time period, after request sends, from database, obtain all gps datas of corresponding time period, then the IP that the computer of longitude and latitude data and client is corresponding sends to service end, service end pair warp and weft degree is resolved, because the data that historical record is resolved are a large amount of often, the longitude and latitude of all gps datas to resolved one time, required cost chronic, and historical record resolves and not have the locator data analysis request urgent, so that priority should be lower than is front several, needs to wait for after the high task of priority is finished dealing with and processing.
Free time resolves, and namely refers to when process is in the free time, automatically historical GPS longitude and latitude data is resolved, and can directly obtain corresponding detailed data when inquiring about with convenient next time, because this class request seldom, so priority is minimum.
Preferably, the priority numeral is worth littlely, and priority is higher, and every adjacent rank spacing value is 3.
Service end creates 2 threads simultaneously: task detects thread and map processing threads.This task detects the priority Check processing that thread carries out task type, processes first to determine which request task, and which task aftertreatment, and give the map processing threads with the highest task of current priority that detects and carry out processing.
What this map processing threads adopted is separate threads, block Main form when preventing from resolving mass data, in this map processing threads: detect the highest task of current priority that thread detects if the handled task of map processing threads is lower than task, then the map processing threads suspends current handled low priority task immediately, then go to process high-priority task, until high-priority task is handled, return to process again low priority task just now, if the highest task of current priority that the task detection detected task priority of thread and map processing threads detect is same one-level, then the map processing threads is processed first the task in the hand, then goes to process the detected task of thread that detects again;
(4) service end is resolved the gps data of the task of processing in the map processing threads, with the Data Update after resolving to the interface of client.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (3)
1. respond fast the method for GPS inquiry, comprise the steps:
(1) client is sent the GPS query requests to service end;
(2) gps data that will inquire about at data base querying according to the data message of GPS query requests of service end, if can't inquire, then returning can't query statement and point out in client, if inquire, then be handled as follows: service end is divided into the different task type with the GPS inquiry, the different priority of dissimilar respectively correspondences; Service end creates 2 threads simultaneously: task detects thread and map processing threads, carries out the task of different priorities and processes;
(3) service end is resolved the gps data of the task of processing in the map processing threads, with the Data Update after resolving to the interface of client.
2. the method for quick response GPS inquiry according to claim 1, it is characterized in that: service end is divided into 5 kinds of task type: UDP request maps with the GPS inquiry and resolves, DB point request analysis, DB asks certain vehicle-state to be resolved, DB request historical record is resolved, free time resolves, the different priority of dissimilar respectively correspondences, be respectively: it is the I level that UDP request map is resolved, DB point request analysis II level, it is the III level that DB asks certain vehicle-state to be resolved, it is the IV level that DB request historical record is resolved, the free time parsing is the V level, wherein the priority of I level is the highest, and the priority of V is minimum.
3. the method for quick response GPS inquiry according to claim 1, it is characterized in that: this task detects the priority Check processing that thread carries out task type, and gives the map processing threads with the highest task of current priority that detects and carry out and process; In this map processing threads, if being lower than task, the handled task of map processing threads detects the highest task of current priority that thread detects, then the map processing threads suspends current handled low priority task immediately, then go to process high-priority task, until high-priority task is handled, return to process again low priority task just now, if the highest task of current priority that the task detection detected task priority of thread and map processing threads detect is same one-level, then the map processing threads is processed first the task in the hand, then goes to process the detected task of thread that detects again.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109120486A (en) * | 2018-08-28 | 2019-01-01 | 珠海格力电器股份有限公司 | WiFi module data transmission method, Transmission system, intelligent appliance data transmission system |
| CN113010750A (en) * | 2019-12-20 | 2021-06-22 | 深圳市帝迈生物技术有限公司 | Query method and device for sample analyzer, sample analyzer and medium |
| CN113821708A (en) * | 2020-06-19 | 2021-12-21 | 广东美的厨房电器制造有限公司 | Cooking information acquisition method and device, terminal and storage medium |
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Application publication date: 20130424 |