CN103577209A - Embedded equipment-based application program remote on-line debugging method and device - Google Patents
Embedded equipment-based application program remote on-line debugging method and device Download PDFInfo
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- CN103577209A CN103577209A CN201210276983.2A CN201210276983A CN103577209A CN 103577209 A CN103577209 A CN 103577209A CN 201210276983 A CN201210276983 A CN 201210276983A CN 103577209 A CN103577209 A CN 103577209A
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Abstract
The invention discloses an embedded equipment-based application program remote on-line debugging method and an embedded equipment-based application program remote on-line debugging device. The method comprises the following steps: starting a preset background program and calling the started background program to establish a server socket and a communication channel when an operating system of the embedded equipment is started; establishing communication connection with a client, which requests to establish communication connection, through the server socket and allocating a communication socket after the application program is started by calling the started background program; receiving the application program debugged by the client through the communication socket and the communication channel. According to the scheme, remote on-line debugging of the application program in the embedded equipment can be realized.
Description
Technical field
The present invention relates to field of computer technology, espespecially a kind of application program remote adjustment method and device based on embedded device.
Background technology
In the process of exploitation embedded device, on embedded device, be generally provided with debug serial port, debug serial port is connected with client computer, operation information on embedded device outputs on client computer by debug serial port, designer also can carry out on-line debugging by client computer application programs, that is to say that debug serial port realized communicating by letter between application program and client computer.Consider equipment cost, some embedded device when selling no longer with debug serial port, after these embedded devices without debug serial port are sold and are installed, if embedded device goes wrong in operational process, because embedded device does not have debug serial port, designer cannot use client computer and application program to communicate, and also just cannot application programs carry out on-line debugging.
Summary of the invention
The embodiment of the present invention provides a kind of application program remote on-line debugging method and device based on embedded device, in order to realize application programs, carries out on-line debugging.
An application program remote on-line debugging method for embedded device, comprising:
During the os starting of embedded device, start default background program, and the background program that calls startup creates service socket and communication port;
The background program that calls startup starts after application program, by described service socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket;
Accept described client and debug described application program by described communication socket and described communication port.
An application program remote on-line debugging device for embedded device, comprising:
Background program start unit, during for the os starting of embedded device, starts default background program;
Creating unit, creates service socket and communication port for calling the background program of startup;
Application program launching unit, starts application program for calling the background program of startup;
Unit is set up in communication connection, after described application program launching unit starting application program, by described socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket;
Receiving element, debugs described application program for accepting described client by described communication socket and described communication port.
, comprise the above-mentioned application program remote on-line debugging device based on embedded device.
Beneficial effect of the present invention is as follows:
A kind of application program remote on-line debugging method and device based on embedded device that the embodiment of the present invention provides, during the os starting of embedded device, start default background program, and call background program establishment service socket and the communication port of startup; The background program that calls startup starts after application program, by described service socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket; Accept described client and debug described application program by described communication socket and described communication port.This scheme is after starting default background program, call background program and create service socket and communication port, and the background program that calls startup starts application program, if client need to be debugged this application program, can serve socket by this establishes a communications link with the client that request establishes a communications link, the communication socket of then distributing this client to use, client can be carried out debugging utility by this communication socket and communication port, so just can realize the application program in the debugging embedded equipment of remote online.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the application program remote on-line debugging method based on embedded device in the embodiment of the present invention;
Fig. 2 is the structural representation of the application program remote on-line debugging device based on embedded device in the embodiment of the present invention;
Fig. 3 is the process flow diagram of the preferred application program remote on-line debugging method based on embedded device in the invention process.
Embodiment
In order to realize application programs, carry out on-line debugging, the embodiment of the present invention provides a kind of application program remote on-line debugging method based on embedded device, and as shown in Figure 1, concrete execution step is as follows for the flow process of the method:
S10: during the os starting of embedded device, start default background program, and the background program that calls startup creates service socket and communication port.
S11: the background program that calls startup starts after application program, establishes a communications link by service socket and the client that request establishes a communications link, and allocate communications socket.
S12: accept client by communication socket and communication port debugging utility.
In the prior art, in embedded device, there is no background program, the debug serial port of embedded device provides the communication port with application program, rely on debug serial port and carry out debugging utility, while there is no debug serial port or debug serial port fault on embedded device, if built-in equipment operation goes wrong, just can not debugging utility, thus cannot get rid of the fault of embedded device.This scheme is after starting default background program, call background program and create service socket and communication port, and the background program that calls startup starts application program, if client need to be debugged this application program, can serve socket by this establishes a communications link with the client that request establishes a communications link, the communication socket of then distributing this client to use, client can be carried out debugging utility by this communication socket and communication port, so just can realize the application program in the debugging embedded equipment of remote online.
Concrete, the communication port in above-mentioned S10 comprises the first communication port and second communication passage; Startup application program in above-mentioned S11, specifically comprises: the background program that calls startup is set function creation subprocess by first; Call the subprocess of establishment and set function startup application program by second, wherein, background program sends data by the first communication port to subprocess, and subprocess sends data by second communication passage to background program.
Communication port in S10 can comprise two communication ports, is defined as the first communication port and second communication passage, and wherein the first communication port represents with pipe1, and second communication passage represents with pipe2.
The background program that can call in the present invention startup starts application program, need to first call the background program of startup and set function creation subprocess by first.Then call the subprocess of establishment and set function startup application program by second, this has just completed the startup of application program.
The input file descriptor of subprocess can be redirected to pipe1, standard output and wrong output file finger URL are redirected to pipe2, background program is used pipe1 to send data to subprocess, subprocess is used pipe2 to send data to background program, and so process and background program can communicate by pipe1 and pipe2.
Wherein, the first setting function can be vfork function of the prior art, and the second setting function can be execl function, and the process of calling and principle are identical with prior art.Certainly, first sets function and second sets the function that function is not limited to give an example here, also can adopt other function, here repeats no more.
Concrete, the socket that passes through in above-mentioned S11 establishes a communications link with the client that request establishes a communications link, and allocate communications socket, specifically comprise: add service socket and second communication passage to monitoring queue, call background program and monitor queue; If listen to service socket, receive the connection that client sends and set up request message, to client, return to connect and set up response message; And allocate communications socket, and add communication socket to monitoring queue.
Continue along using example, suppose that the service socket creating is transmission control protocol (Transmission Control Protocol, TCP) service socket, with ts_socket, represent, after application program launching, add ts_socket and pipe2 to monitoring queue, call background program monitoring queue.
When request message is set up in the connection that ts_socket receives client if listen to, to client, return to connect and set up response message, thereby establish a communications link with client, and distribute and the communication socket of this client communication, with new_socket, represent.When request message is set up in the connection that receives a plurality of clients as ts_socket, can establish a communications link with each client, and distribute a communication socket for each client.The communication socket of these establishments is all added to be monitored in queue, calls background program and monitors this monitoring queue.
Concrete, the client of accepting in above-mentioned S12 is debugged by communication socket and communication port application programs, specifically comprise: when the background program calling listens to communication socket and receives the debug command that client sends, by the first communication port, debug command is sent to application program; When the background program calling listens to while having application program carry out the output information after debug command in second communication passage, call background program reading output information, and send to client by communication socket.
Continue along using example, during client debugging utility, when the background program calling listens in new_socket, receive the debug command that client sends, can this debug command be sent to application program by pipe1.When application program executes after this debug command, meeting output information, first this output information arrive pipe2, when the background program calling listens to the output information in pipe2, read after this output information, by ts_socket, send to client, so just realized the remote online debugging to the application program in embedded device.
Based on same inventive concept, the embodiment of the present invention provides a kind of application program remote on-line debugging device based on embedded device, and this device can be arranged in embedded device, and the structure of this device as shown in Figure 2, comprising:
Background program start unit 20, during for the os starting of embedded device, starts default background program.
Creating unit 21, creates service socket and communication port for calling the background program of startup.
Application program launching unit 22, starts application program for calling the background program of startup.
Unit 23 is set up in communication connection, after application program launching unit starting application program, by socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket.
Receiving element 24, for accepting client by communication socket and communication port debugging utility.
Concrete, above-mentioned communication port comprises the first communication port and second communication passage.
Above-mentioned application program launching unit 22, specifically for: the background program that calls startup is set function creation subprocess by first; Call the subprocess of establishment and set function startup application program by second, wherein, background program sends data by the first communication port to subprocess, and subprocess sends data by second communication passage to background program.
Concrete, unit 23 is set up in above-mentioned communication connection, specifically for: add service socket and second communication passage to monitoring queue, call background program and monitor queue; If listen to service socket, receive the connection that client sends and set up request message, to client, return to connect and set up response message; And allocate communications socket, and add communication socket to monitoring queue.
Concrete, above-mentioned receiving element 24, specifically for: when the background program calling listens to communication socket and receives the debug command that client sends, by the first communication port, debug command is sent to application program; When the background program calling listens to while having application program carry out the output information after debug command in second communication passage, call background program reading output information, and send to client by communication socket.
With a specific embodiment, the application program remote on-line debugging method based on embedded device in the present invention is described below, idiographic flow as shown in Figure 3, performs step as follows:
During the os starting of embedded device, first start a background program, call this background program and create ts_socket, pipe1 and pipe2, call this background program by subprocess of vfork function creation, subprocess is inherited the communication port of background program, by communication port, communicate by letter with background program, the standard files input descriptor of subprocess is redirected to pipe1, standard output and wrong output file descriptor are redirected to pipe2, call subprocess and start application program by execl function.
After application program launching, call background program and monitor ts_socket and pipe2, if request message is set up in the connection that ts_socket has client to send, it can be telnet order etc. that request message is set up in this connection, to client, return to connect and set up response message, and distribute a new_socket and client communication, new_socket is added to monitoring queue.When the background program calling listens to new_socket, have data to arrive, reading out data writes in pipe1; If listen to pipe2, have data to arrive, reading out data is written in new_socket.
Background program is communicated by letter by communication port with subprocess in the present invention, subprocess standard input, standard output, control desk output redirection to pipeline, call background program and monitor new_socket and the pipeline being connected with client, when new_socket has data to arrive, reading out data also writes pipeline; When pipeline has data to arrive, reading out data also writes new_socket.By the communication between background program and application program, just can realize by the application program in the debugging embedded equipment of client remote online.
The present invention is with reference to describing according to process flow diagram and/or the block scheme of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block scheme each flow process and/or the flow process in square frame and process flow diagram and/or block scheme and/or the combination of square frame.Can provide these computer program instructions to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computing machine or other programmable data processing device is produced for realizing the device in the function of flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computing machine or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of process flow diagram or a plurality of flow process and/or square frame of block scheme or a plurality of square frame on computing machine or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.
Claims (9)
1. the application program remote on-line debugging method based on embedded device, is characterized in that, comprising:
During the os starting of embedded device, start default background program, and the background program that calls startup creates service socket and communication port;
The background program that calls startup starts after application program, by described service socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket;
Accept described client and debug described application program by described communication socket and described communication port.
2. the method for claim 1, is characterized in that, described communication port comprises the first communication port and second communication passage;
The background program that calls startup starts application program, specifically comprises:
Call the background program of startup and set function creation subprocess by first;
The subprocess that calls establishment starts described application program by the second setting function, wherein, described background program sends data by described the first communication port to described subprocess, and described subprocess sends data by described second communication passage to described background program.
3. method as claimed in claim 2, is characterized in that, by described service socket and the client that request establishes a communications link, establish a communications link, and allocate communications socket, specifically comprise:
Add described service socket and described second communication passage to monitoring queue, call described background program and monitor described monitoring queue;
If listen to described service socket, receive the connection that described client sends and set up request message, to described client, return to connect and set up response message; And
Allocate communications socket, and add described communication socket to described monitoring queue.
4. method as claimed in claim 2, is characterized in that, accepts described client and by described communication socket and described communication port, described application program is debugged, and specifically comprises:
When the background program calling listens to described communication socket and receives the debug command that described client sends, by described the first communication port, described debug command is sent to described application program;
When the background program calling listens to while having described application program to carry out the output information after described debug command in described second communication passage, call described background program and read described output information, and send to described client by described communication socket.
5. the application program remote on-line debugging device based on embedded device, is characterized in that, comprising:
Background program start unit, during for the os starting of embedded device, starts default background program;
Creating unit, creates service socket and communication port for calling the background program of startup;
Application program launching unit, starts application program for calling the background program of startup;
Unit is set up in communication connection, after described application program launching unit starting application program, by described socket and the client that request establishes a communications link, establishes a communications link, and allocate communications socket;
Receiving element, debugs described application program for accepting described client by described communication socket and described communication port.
6. device as claimed in claim 5, is characterized in that, described communication port comprises the first communication port and second communication passage;
Described application program launching unit, specifically for:
Call the background program of startup and set function creation subprocess by first;
The subprocess that calls establishment starts described application program by the second setting function, wherein, described background program sends data by described the first communication port to described subprocess, and described subprocess sends data by described second communication passage to described background program.
7. device as claimed in claim 6, is characterized in that, unit is set up in described communication connection, specifically for:
Add described service socket and described second communication passage to monitoring queue, call described background program and monitor described monitoring queue;
If listen to described service socket, receive the connection that described client sends and set up request message, to described client, return to connect and set up response message; And
Allocate communications socket, and add described communication socket to described monitoring queue.
8. device as claimed in claim 6, is characterized in that, described receiving element, specifically for:
When the background program calling listens to described communication socket and receives the debug command that described client sends, by described the first communication port, described debug command is sent to described application program;
When the background program calling listens to while having described application program to carry out the output information after described debug command in described second communication passage, call described background program and read described output information, and send to described client by described communication socket.
9. an embedded device, is characterized in that, comprises the application program remote on-line debugging device based on embedded device as described in claim 5-8.
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| CN103902358A (en) * | 2014-03-18 | 2014-07-02 | 北京领通科技有限公司 | Mobile terminal remote debugging method and system and mobile terminal |
| CN104951395A (en) * | 2014-03-27 | 2015-09-30 | 浙江大华技术股份有限公司 | Debugging information processing method and device for embedded system |
| CN105049217A (en) * | 2015-06-17 | 2015-11-11 | 上海斐讯数据通信技术有限公司 | Method and system for controlling debugging interface of intelligent network equipment |
| CN106354623A (en) * | 2015-07-16 | 2017-01-25 | 深圳市奇辉电气有限公司 | Linux-based application program debugging method and device |
| CN106487847B (en) * | 2015-08-28 | 2020-03-17 | 腾讯科技（深圳）有限公司 | Information processing method and transfer server |
| CN106487847A (en) * | 2015-08-28 | 2017-03-08 | 腾讯科技（深圳）有限公司 | A kind of information processing method and transfer server |
| CN106201745A (en) * | 2016-07-08 | 2016-12-07 | 深圳中兴网信科技有限公司 | The remote debugging method of application program, remote debugging system and terminal |
| CN109246120A (en) * | 2018-09-29 | 2019-01-18 | 中国船舶重工集团公司第七〇九研究所 | A kind of remote debugging method and its system of embedded device |
| CN109246120B (en) * | 2018-09-29 | 2021-04-27 | 中国船舶重工集团公司第七一九研究所 | Remote debugging method and system for embedded equipment |
| WO2020114217A1 (en) * | 2018-12-05 | 2020-06-11 | 中兴通讯股份有限公司 | Process debugging method and apparatus, and storage medium |
| CN111274122A (en) * | 2018-12-05 | 2020-06-12 | 中兴通讯股份有限公司 | Method, device and storage medium for debugging process |
| CN111831538A (en) * | 2019-04-18 | 2020-10-27 | 腾讯科技（深圳）有限公司 | Debugging method, device and storage medium |
| CN111831538B (en) * | 2019-04-18 | 2024-03-26 | 腾讯科技（深圳）有限公司 | Debugging method, device and storage medium |
| CN111143218A (en) * | 2019-12-27 | 2020-05-12 | 深圳市共进电子股份有限公司 | Log debugging method and device suitable for 5G embedded equipment and readable storage medium |
| CN111143218B (en) * | 2019-12-27 | 2024-03-26 | 深圳市共进电子股份有限公司 | Log debugging method and device suitable for 5G embedded equipment and readable storage medium |
| CN111399949A (en) * | 2020-04-02 | 2020-07-10 | 马瑞利汽车电子(广州)有限公司 | Method for starting background debugging function of automobile instrument |
| CN111459840A (en) * | 2020-04-26 | 2020-07-28 | 恩亿科(北京)数据科技有限公司 | Process debugging method and device |
| CN115314541A (en) * | 2022-10-12 | 2022-11-08 | 阿里巴巴（中国）有限公司 | Remote debugging method, communication system, electronic device, and storage medium |
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Application publication date: 20140212 |