CN113965496A - Method for optimizing response of screen projection process - Google Patents
Method for optimizing response of screen projection process Download PDFInfo
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- CN113965496A CN113965496A CN202111204437.3A CN202111204437A CN113965496A CN 113965496 A CN113965496 A CN 113965496A CN 202111204437 A CN202111204437 A CN 202111204437A CN 113965496 A CN113965496 A CN 113965496A
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- 238000000034 method Methods 0.000 title claims abstract description 126
- 230000008569 process Effects 0.000 title claims abstract description 101
- 230000004044 response Effects 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000004590 computer program Methods 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000001308 synthesis method Methods 0.000 claims description 4
- 238000013507 mapping Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000011423 initialization method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
Abstract
The invention discloses a method for optimizing screen projection process response. In the invention, when a heartbeat detection thread is started, a screen projection process timer is initialized to start timing, and if the countdown for 10 seconds is not cancelled, whether the screen projection process is completely disconnected or not is judged according to the initialized times of the screen projection process; if the screen is not disconnected, initializing a screen projection process, and recording the times; if the initialization frequency is more than 5 times, the screen is considered to be completely disconnected, and the heartbeat detection thread is not required to move to pull up the screen. Stopping timing information, ending the heartbeat detection process, and controlling the running state of the screen projection connection process by utilizing heartbeat monitoring; therefore, more accurate monitoring can be realized, the screen projection response time is optimized, long-time waiting is avoided, and the screen projection is more stable.
Description
Technical Field
The invention belongs to the technical field of intelligent network car connecting machines, and particularly relates to a method for optimizing screen projection process response.
Background
The interconnection mapping of the mobile phones of the automobiles, namely the interconnection of the automobile machines, is a popular screen projection. The mobile phone is projected to the vehicle-mounted display, functions of navigation, video, music, games and the like in the mobile phone can be operated through the display, and the video in the mobile phone can be watched by utilizing a large screen in a vehicle and the navigation in the mobile phone can be used by adding a mapping function of the mobile phone of the vehicle. In the interconnection system of the car machine and the android device of the mobile phone, the car machine and the mobile phone are connected as a data channel through a wired (USB) or WIFI P2P (point-to-point), and the transmitted information is mainly as follows: control information, mobile phone end drawing images, vehicle end screen image information, audio information and user operation information. The vehicle terminal is mainly used as an entrance for image display, voice noise elimination input, connection control and vehicle information acquisition. The mobile phone end mainly performs data operation and graph drawing, and is connected with the cloud end through a mobile phone network to acquire data. In addition, before screen projection is started, an effective connection between the car machine and the mobile phone is required to be established. Therefore, the screen projection interconnection of the mobile phone and the vehicle machine has four basic functions of screen mapping, audio mapping, user operation mapping and connection management.
However, when the existing mobile phone is interconnected with the car machine, abnormal disconnection may occur; after the screen is switched off, data are interrupted, and screen switching off caused by reasons is difficult to analyze subsequently.
Disclosure of Invention
The invention aims to: in order to solve the above-mentioned problem, a method for optimizing the response of the screen projection process is provided.
The technical scheme adopted by the invention is as follows: a method for optimizing response of a screen projection process comprises the following steps:
s1; after the screen projection connection process is started, the main thread and the heartbeat detection thread are started together;
s2, after the heartbeat detection process is started, the heartbeat of the main thread is monitored, and once the heartbeat is interrupted, the heartbeat timer starts to time;
s3, if the heartbeat is monitored again, the heartbeat timer restarts timing, and the initial screen projection process timer is reset at the same time;
s4, when the heartbeat detection thread is started, initializing a screen projection process timer to start timing;
s5, if the countdown for 10 seconds is not cancelled, starting to judge whether the screen projection process is completely disconnected according to the initialized times of the screen projection process;
s6, if not, starting to initialize the screen projection process and recording the times;
and S7, if the initialization times are more than 5-7 times, the screen projection is considered to be completely disconnected, and the heartbeat detection thread is not required to move to pull up the screen projection. At this time, the timing information is suspended, and the heartbeat detection process is ended.
In a preferred embodiment, in the step S2, if the heartbeat is not monitored again for 5 seconds, the heartbeat detection thread will dump the call stack of the "screen shot connection process" to analyze when the user provides the log.
In a preferred embodiment, in step S2, the heartbeat detecting process starts and then detects the operating status of the node machines in the cluster by periodically sending heartbeat messages to other nodes in the cluster and waiting for heartbeat reply messages.
In a preferred embodiment, in step S4, when the operating status of the node machine receiving the heartbeat detection changes, it encapsulates the change of the operating status in a heartbeat reply to notify the node sending the heartbeat detection; if the node sending the heartbeat does not receive the heartbeat reply within a certain time, the detected node is considered to be invalid, and cluster management software is informed or other corresponding measures are taken.
In a preferred embodiment, in step S4, the heartbeat detection employs a PULL model, in which the detecting node periodically sends heartbeat information to the detected node, actively queries the state information of the detected node, and after receiving the heartbeat information, the detected node packages its current operating state and heartbeat reply information together and sends the packaged information to the detecting node, and if the detecting node does not receive the heartbeat reply information of the detected node within a time period, it determines that the detected node is invalid.
In a preferred embodiment, in step S7, the heartbeat detection thread performs level evaluation on the fault, the fuzzy synthesis method describes a fuzzy fault level boundary with a membership degree, and the membership degree of each evaluation level is corrected by a weight of the fault factor, so as to obtain the membership degree of the fault sample to the fault level.
In a preferred embodiment, a timer setting module is arranged inside the screen projection connection process, and is configured to set an initialization timer, where the initialization timer respectively responds to a main thread start state of the screen projection connection process and a start state of a heartbeat detection process;
the strong stopping module is used for forcibly disconnecting the heartbeat detection process if the heartbeat signal is not received within the first preset time of continuous timing of the initialization timer in the heartbeat monitoring process;
and the restarting module is used for initializing the screen projection connection process if a heartbeat signal is received within a first preset time continuously timed by the initialization timer and if the heartbeat signal is not received within a second preset time continuously timed from the reception of the heartbeat signal.
In a preferred embodiment, the device disposed inside the screen-projection connection process further includes:
and the timer resetting module is used for resetting the initialization timer if the heartbeat signal is received within a first preset time continuously timed by the initialization timer and if the heartbeat signal is continuously received within a second preset time continuously timed from the time of receiving the heartbeat signal.
In a preferred embodiment, the processor executes the computer program to implement the steps of the screen-casting connection process according to any one of steps S1 to S7.
In a preferred embodiment, the computer program when executed by the processor performs the step of screen projection initialization as described in any of steps S1 to S7.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the invention, the running state of the screen projection connection process is controlled by using heartbeat monitoring; therefore, more accurate monitoring can be realized, the screen projection response time is optimized, long-time waiting is avoided, and the screen projection is more stable.
Drawings
Fig. 1 is a flowchart illustrating the operation principle of the heartbeat detection process according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
With reference to figure 1 of the drawings,
the first embodiment is as follows:
a method for optimizing response of a screen projection process comprises the following steps:
s1; after the screen projection connection process is started, the main thread and the heartbeat detection thread are started together;
s2, after the heartbeat detection process is started, the heartbeat of the main thread is monitored, and once the heartbeat is interrupted, the heartbeat timer starts to time;
s3, if the heartbeat is monitored again, the heartbeat timer restarts timing, and the initial screen projection process timer is reset at the same time; in step S2, if the heartbeat is not monitored again for 5 seconds, the heartbeat detection thread will dump the call stack of the "screen-shot connection process" to analyze when the user provides the log; in step S2, after the heartbeat detection process is started, the operating state of the node machine in the cluster is detected by periodically sending heartbeat information to other nodes in the cluster and waiting for heartbeat reply information;
s4, when the heartbeat detection thread is started, initializing a screen projection process timer to start timing; in step S4, when the operating state of the node machine receiving the heartbeat detection changes, it encapsulates the change of the operating state in a heartbeat reply to notify the node sending the heartbeat detection; if the node sending the heartbeat does not receive the heartbeat reply within a certain time, the detected node is considered to be invalid, and cluster management software is informed or other corresponding measures are taken; in step S4, a PULL model is used for heartbeat detection, in the PULL model, a detection node periodically sends heartbeat information to a detected node, actively inquires about state information of the detected node, the detected node packages its current operating state and heartbeat reply information together after receiving the heartbeat information and sends the packaged information to the detection node, and if the detection node does not receive the heartbeat reply information of the detected node within a time period, it is determined that the detected node is invalid;
s5, if the countdown for 10 seconds is not cancelled, starting to judge whether the screen projection process is completely disconnected according to the initialized times of the screen projection process;
s6, if not, starting to initialize the screen projection process and recording the times;
and S7, if the initialization times is more than 5, the screen projection is considered to be completely disconnected, and the heartbeat detection thread is not required to move to pull up the screen projection. At this time, the timing information is suspended, and the heartbeat detection process is ended; in the step S7, the heartbeat detection thread evaluates the grade of the fault, the fuzzy synthesis method uses the membership degree to describe the fuzzy fault grade boundary line, the membership degree of each evaluation grade is corrected by the weight of the fault factor, then the membership degree of the fault sample to the fault grade is obtained, and the heartbeat monitoring is used to control the operation state of the screen projection connection process; therefore, more accurate monitoring can be realized, the screen projection response time is optimized, long-time waiting is avoided, and the screen projection is more stable.
A timer setting module is arranged in the screen projection connection process and used for setting an initialization timer, and the initialization timer respectively responds to the starting state of the main thread of the screen projection connection process and the starting state of the heartbeat detection process;
the strong stopping module is used for forcibly disconnecting the heartbeat detection process if the heartbeat signal is not received within the first preset time of continuous timing of the initialization timer in the heartbeat monitoring process;
the restart module is used for initializing the screen projection connection process if a heartbeat signal is received within a first preset time continuously timed by the initialization timer and if the heartbeat signal is not received within a second preset time continuously timed from the reception of the heartbeat signal; a timer resetting module, configured to reset the initialization timer if a heartbeat signal is received within a first preset time period continuously counted by the initialization timer and if a heartbeat signal is continuously received within a second preset time period continuously counted from the time when the heartbeat signal is received, where the processor implements the steps of the method of any one of the screen-shot connection processes in steps S1 to S7 when executing the computer program.
Example two:
a method for optimizing response of a screen projection process comprises the following steps:
s1; after the screen projection connection process is started, the main thread and the heartbeat detection thread are started together;
s2, after the heartbeat detection process is started, the heartbeat of the main thread is monitored, and once the heartbeat is interrupted, the heartbeat timer starts to time;
s3, if the heartbeat is monitored again, the heartbeat timer restarts timing, and the initial screen projection process timer is reset at the same time; in step S2, if the heartbeat is not monitored again for 5 seconds, the heartbeat detection thread will dump the call stack of the "screen-shot connection process" to analyze when the user provides the log; in step S2, after the heartbeat detection process is started, the operating state of the node machine in the cluster is detected by periodically sending heartbeat information to other nodes in the cluster and waiting for heartbeat reply information;
s4, when the heartbeat detection thread is started, initializing a screen projection process timer to start timing; in step S4, when the operating state of the node machine receiving the heartbeat detection changes, it encapsulates the change of the operating state in a heartbeat reply to notify the node sending the heartbeat detection; if the node sending the heartbeat does not receive the heartbeat reply within a certain time, the detected node is considered to be invalid, and cluster management software is informed or other corresponding measures are taken; in step S4, a PULL model is used for heartbeat detection, in the PULL model, a detection node periodically sends heartbeat information to a detected node, actively inquires about state information of the detected node, the detected node packages its current operating state and heartbeat reply information together after receiving the heartbeat information and sends the packaged information to the detection node, and if the detection node does not receive the heartbeat reply information of the detected node within a time period, it is determined that the detected node is invalid;
s5, if the countdown for 10 seconds is not cancelled, starting to judge whether the screen projection process is completely disconnected according to the initialized times of the screen projection process;
s6, if not, starting to initialize the screen projection process and recording the times;
and S7, if the initialization times are more than 6, the screen projection is considered to be completely disconnected, and the heartbeat detection thread is not required to move to pull up the screen projection. At this time, the timing information is suspended, and the heartbeat detection process is ended; in the step S7, the heartbeat detection thread evaluates the grade of the fault, the fuzzy synthesis method uses the membership degree to describe the fuzzy fault grade boundary line, the membership degree of each evaluation grade is corrected by the weight of the fault factor, then the membership degree of the fault sample to the fault grade is obtained, and the heartbeat monitoring is used to control the operation state of the screen projection connection process; therefore, more accurate monitoring can be realized, the screen projection response time is optimized, long-time waiting is avoided, and the screen projection is more stable.
A timer setting module is arranged in the screen projection connection process and is used for setting an initialization timer, and the initialization timer respectively responds to the starting state of the main thread of the screen projection connection process and the starting state of the heartbeat detection process;
the strong stopping module is used for forcibly disconnecting the heartbeat detection process if the heartbeat signal is not received within the first preset time of continuous timing of the initialization timer in the heartbeat monitoring process;
the restart module is used for initializing the screen projection connection process if a heartbeat signal is received within a first preset time continuously timed by the initialization timer and if the heartbeat signal is not received within a second preset time continuously timed from the reception of the heartbeat signal; the screen projection initialization device further comprises:
a timer resetting module, configured to reset the initialization timer if a heartbeat signal is received within a first preset time period continuously counted by the initialization timer and if the heartbeat signal is continuously received within a second preset time period continuously counted from the time when the heartbeat signal is received, where the processor implements the steps of the screen-shot initialization method in any one of steps S1 to S7 when executing the computer program, and the computer program implements the steps of the screen-shot initialization method in any one of steps S1 to S7 when being executed by the processor.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for optimizing screen projection process response is characterized in that: the method for optimizing the response of the screen projection process comprises the following steps:
s1; after the screen projection connection process is started, the main thread and the heartbeat detection thread are started together;
s2, after the heartbeat detection process is started, the heartbeat of the main thread is monitored, and once the heartbeat is interrupted, the heartbeat timer starts to time;
s3, if the heartbeat is monitored again, the heartbeat timer restarts timing, and the initial screen projection process timer is reset at the same time;
s4, when the heartbeat detection thread is started, initializing a screen projection process timer to start timing;
s5, if the countdown for 10 seconds is not cancelled, starting to judge whether the screen projection process is completely disconnected according to the initialized times of the screen projection process;
s6, if not, starting to initialize the screen projection process and recording the times;
s7, if the initialization frequency is more than 5-6 times, the screen projection is considered to be completely disconnected, and the heartbeat detection thread does not need to move to pull up the screen projection; at this time, the timing information is suspended, and the heartbeat detection process is ended.
2. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: in step S2, if the heartbeat is not monitored again for 5 seconds, the heartbeat detection thread will dump the call stack of the "screen projection connection process" for analysis when the log is provided by the user.
3. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: in step S2, after the heartbeat detecting process is started, the heartbeat detecting process periodically sends heartbeat information to other nodes in the cluster and waits for heartbeat reply information to detect the operating state of the node machines in the cluster.
4. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: in step S4, when the operating state of the node machine that receives the heartbeat detection changes, it encapsulates the change of the operating state in a heartbeat reply to notify the node that sends the heartbeat detection; if the node sending the heartbeat does not receive the heartbeat reply within a certain time, the detected node is considered to be invalid, and cluster management software is informed or other corresponding measures are taken.
5. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: in step S4, the heartbeat detection adopts a PULL model, in which the detection node periodically sends heartbeat information to the detected node, actively queries the state information of the detected node, and after receiving the heartbeat information, the detected node packages the current operating state of the detected node and heartbeat reply information together and sends the packaged information to the detection node, and if the detection node does not receive the heartbeat reply information of the detected node within a time period, it determines that the detected node is invalid.
6. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: in step S7, the heartbeat detection thread performs level evaluation on the fault, the fuzzy synthesis method describes a fuzzy fault level boundary with a membership degree, and the membership degree of each evaluation level is corrected by the weight of the fault factor, so as to obtain the membership degree of the fault sample to the fault level.
7. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: a timer setting module is arranged in the screen projection connection process and is used for setting an initialization timer, and the initialization timer respectively responds to the starting state of the main thread of the screen projection connection process and the starting state of the heartbeat detection process;
a strong stop module is arranged inside the screen projection connection process and used for forcibly disconnecting the heartbeat detection process if the heartbeat signal is not received within the first preset time of continuous timing of the initialization timer in the heartbeat monitoring process;
and a restart module is arranged inside the screen projection connection process and is used for initializing the screen projection connection process if a heartbeat signal is received within a first preset time when the initialization timer continuously times and if a heartbeat signal is not received within a second preset time when the initialization timer continuously times after the heartbeat signal is received.
8. The method of claim 7, wherein the step of optimizing the response of the screen projection process comprises: the device of the inside setting of the connection process of throwing the screen still includes:
and the timer resetting module is used for resetting the initialization timer if the heartbeat signal is received within a first preset time continuously timed by the initialization timer and if the heartbeat signal is continuously received within a second preset time continuously timed from the time of receiving the heartbeat signal.
9. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: the processor, when executing the computer program, performs the steps of the method for optimizing a response of a screen projection process as in any of steps S1 to S7.
10. The method of claim 1, wherein the step of optimizing the response of the screen projection process comprises: the computer program when executed by a processor performs the steps of the method of optimizing a screen projection process response as set forth in any one of steps S1 to S7.
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