CN102707994B - Method for controlling computer by handheld mobile equipment in local area network - Google Patents

Method for controlling computer by handheld mobile equipment in local area network Download PDF

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Publication number
CN102707994B
CN102707994B CN201210128848.3A CN201210128848A CN102707994B CN 102707994 B CN102707994 B CN 102707994B CN 201210128848 A CN201210128848 A CN 201210128848A CN 102707994 B CN102707994 B CN 102707994B
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China
Prior art keywords
computer
mobile device
handheld mobile
socket
address
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Expired - Fee Related
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CN201210128848.3A
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CN102707994A (en
Inventor
刘志镜
芦佶
何晓波
焦东波
杨泽
连润东
张毅
邢方元
李林燕
周晗
于晨曦
李强
龚尚映
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Xidian University
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Xidian University
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Abstract

The invention discloses a method for controlling a computer by handheld mobile equipment in a local area network, which comprises the steps of: (1) connecting a local area network; (2) opening a computer side service; (3) acquiring a number of the local area network; (4) constructing an available computer information assembly; (5) inputting a control password; (6) sending a CMD (command prompt) command; (7) executing the CMD command; (8) sending a command execution result; and (9) releasing a resource. According to the method, the CMD command is used as a network transmission object, and the problems of high network bandwidth requirements and more network flow consumption caused by adopting video transmission technology in the prior art are solved, so the method can be applied to environment having high real-time requirements; and moreover, the computer is directly controlled through invoking the CMD command, and the problems of single function, no return results and insufficient effective control distance caused by adopting a virtual mouse and keyboard technology to control the computer in the prior art are solved, so that the application range of the method is wide.

Description

In LAN, handheld mobile device is controlled the method for computer
Technical field
The invention belongs to field of computer technology, further relate in LAN, handheld mobile device applied software development field, the handheld mobile device based on socket technology and Windows system command prompt window technique is controlled the method for computer.The present invention can be used for using handheld mobile device to realize multimedia teaching, the control of home intelligent equipment, telecommuting, the parental control field that computer is controlled in LAN.
Background technology
Handheld mobile device control computer refer to the hand-held use mobile device of user and computer mutual, by portability and the mutual diversity of mobile device, expand the input equipment of computer and output device and with computer shared file resource, thereby facilitate the control of user to computer.
At present, handheld mobile device is controlled common in computer method two kinds and is: the computer based on real-time video transmission is controlled and the computer based on virtual mouse keyboard is controlled.
External existing software " PhoneMyPC " is a representative instance of controlling based on real-time video transmission computer.This software utilizes video stream technology to send in real time current computer screenshotss image information to mobile device end application program, and objective interface is friendly, and user is easy to use, is that the most popular mobile device is controlled computer software at present.The existing deficiency of this software application method is, on the one hand computer end and mobile device end must access Internet could be interconnected, and in software application process, send in real time computer desktop video, the network bandwidth of not only having had relatively high expectations but also expend a large amount of network traffics.Household mobile equipment, general bandwidth is low, and flow is expensive.It is not smooth that this experiences user, therefore uses and have limitation.On the other hand, after computer end access Internet, as long as mobile device end account number cipher correctly just can be controlled this computer completely.Make computer end easily by hacker attacks, cause computer end security poor.
Patented claim " a kind of method of controlling computer by the mobile phone " (number of patent application: 200710028902.6 that in Song Xunda, section's electronics (Shenzhen) company limited proposes, publication number: CN101082889A), the computer control method based on virtual mouse keyboard is described in detail.The method utilization is sent to computer end by control information, and described control information is converted to corresponding control key assignments, in computer end, carry out to control the method for key assignments, make mobile phone on any computer with Bluetooth function or infrared red energy, to reach the effect of controlling computer.That the method has is simple to operate, easy to use, transmit the advantages such as reliable.But the weak point that the method exists is, mobile phone terminal does not have output information on the one hand, causes the user cannot remotely controlling computer.Function is comparatively single on the other hand, makes the method usable range less, is difficult to promote.
Summary of the invention
The object of the invention is to overcome the shortcoming that above-mentioned technology exists, a kind of TCP of utilization host-host protocol is provided, realize respectively client application and computer end service routine, directly based on order line and windows messaging treatment mechanism, control computer, and read computer data at command prompt window, effectively reduce transinformation, provide smooth user to experience and complete control function.
Realizing technical thought of the present invention is: first handheld mobile device and computer expert are crossed to Wifi and be connected in same LAN, by handheld mobile device, in LAN, search for again available computer, then by handheld mobile device, to computer, send control command, last computer is resolved control command and carries out corresponding CMD order.
The present invention includes following steps:
(1) connect LAN
1a) open wireless router, starts the service function that wireless router DynamicHost arranges agreement;
1b) computer is connected to wireless router;
1c) open the Wifi function of handheld mobile device and by the Wifi of handheld mobile device, be connected to the wireless local network connecting point of wireless router;
(2) open computer end service
2a) calling system function, the listening port of unlatching computer end Socket server;
2b) calling system function, sets up command prompt window process in computer end;
(3) obtain LAN number
3a) calling system function, obtains the IP address in handheld mobile device network interface card information;
3b) the address style of judgement IP address: if WeiALei address, IP address, subnet mask is 0xFF000000; If WeiBLei address, IP address, subnet mask is 0xFFFF0000; If IP address is C class address, subnet mask is 0xFFFFFF00;
3c) subnet mask and IP address are carried out drawing network number with computing;
(4) build available computerized information set
4a) the available computerized information set of handheld mobile device end is made as to empty set, completes initialization;
4b) 32 binary variable i are set to step 3b) described subnet mask;
4c) i is set to i+1, and by i and step 3b) the non-of described subnet mask carry out and computing, then by operation result and step 3c) network number of calculating carries out exclusive disjunction and obtain in LAN one and do not access IP address;
4d) the Socket port of handheld mobile device is connected to this IP address corresponding computer end Socket server listening port;
4e) judge that Socket connects whether success: if so, between handheld mobile device and computer end, set up Socket and is connected, as available computerized information, deposit the information of this Socket connection in available computerized information set; Otherwise, execution step 4f);
4f) judge whether i is less than 0xFFFFFFFF: if so, perform step 4c); Otherwise available computerized information set has built, execution step 4g);
4g) available computer aggregate information is controlled to interface display at mobile device end;
(5) input control password
5a) user controls the available computer of selecting to need control on interface at handheld mobile device end, and Socket corresponding to the available computer of choosing connected and retained, and discharges all the other Socket and connects;
5b) user controls the input control password corresponding with the available computer of choosing on interface at handheld mobile device end;
5c) will controlling password by step 4f) Socket that sets up connects and is sent to computer;
5e) whether with in computer end database original code identical in judgement if being sent to the control password of computer: if so, password is correct, performs step 6a); Otherwise, password mistake, execution step 5f);
5f) password miscue information exchange being crossed to step 4f) Socket that sets up connects and is sent to handheld mobile device;
5g) password miscue is shown to handheld mobile device end and controls interface, execution step 4a);
(6) send CMD order
6a) user controls input command prompt window CMD order on interface at handheld mobile device end;
6b) by the command prompt window CMD order of user input by step 4f) the Socket connection of foundation is sent to computer;
(7) carry out CMD order
7a) by command prompt window CMD order write step 2b) inlet flow of the command prompt window process set up;
7b) at step 2b) carry out the command prompt window CMD order of importing in the command prompt window process set up;
(8) send command execution results
8a) read step 2b) output stream of the command prompt window process set up, judging in command prompt window CMD order and whether exist and return results: if exist, will return results by step 4f) the Socket connection of setting up is sent to handheld mobile device; Otherwise, character string " NULL " is connected and is sent to handheld mobile device by this Socket;
8b) judgement is sent to whether returning results of handheld mobile device is character string " NULL ": if so, perform step 9a); Otherwise, return message is shown to mobile device end and controls interface;
(9) releasing resource
9a) judge whether user continues to control computer: if so, perform step 9b); Otherwise execution step 6a);
9b) calling system function, release steps 4f) Socket setting up connects;
9c) calling system function, closes step 2b) the command prompt window process set up in computer end;
9d) calling system function, closes the listening port of computer end Socket server.
Compared with prior art, tool has the following advantages in the present invention:
First, the present invention has adopted CMD order as Internet Transmission object, overcome prior art because the network bandwidth requirement that adopts video transmission technologies to cause is higher, network traffics expend many problems, and the present invention can be applied in environment that requirement of real-time is higher.
Second, the present invention directly controls computer by calling CMD order, has overcome prior art owing to adopting virtual mouse keyboard technique to control the function singleness that computer causes, and does not return results, the problem of effective control distance deficiency, makes range of application of the present invention wider.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention;
Fig. 2 is CMD command view return message simulated effect figure of the present invention;
Fig. 3 is show process information emulator design sketch of the present invention.
Embodiment
The concrete steps that realize below in conjunction with 1 pair of the inventive method of accompanying drawing are described in detail:
Step 1. connects LAN
Open wireless router also starts the service function that wireless router DynamicHost arranges agreement, and the equipment that is now connected to wireless router can be assigned with IP address.If computer has cable network adapter, can use twisted-pair feeder, computer is connected to the lan port of wireless router.If computer has wireless network adapter, can use wireless network adapter, computer is connected to the wireless local network connecting point of wireless router.Open the Wifi function of handheld mobile device and by the Wifi of handheld mobile device, be connected to the wireless local network connecting point of wireless router.Now, LAN connects complete.Step can be found out thus, and the process that the present invention sets up LAN connection all only needs to arrange once in most of mobile devices and computer, and in the situation that opening Wifi, computer and handheld mobile device can be connected to router automatically afterwards.Use LAN to connect and control the diversity that computer had both improved connected mode, make this method usable range wider, can be connected by the expansion of wireless router, switch and hub again, increase and connect distance, improve the scope of controlling.
Step 2. is opened computer end service
Calling system function, the listening port of unlatching computer end Socket server.This listening port is for communicating with handheld mobile device.In computer end, set up CMD process.This process is used for carrying out the order that handheld mobile device transmits.
Step 3. is obtained LAN number
By calling system function, obtain the IP address in handheld mobile device network interface card information.The address style of judgement IP address: if WeiALei address, IP address, subnet mask is 0xFF000000; If WeiBLei address, IP address, subnet mask is 0xFFFF0000; If IP address is C class address, subnet mask is 0xFFFFFF00.Subnet mask and IP address are carried out drawing network number with computing.The object of this step is to determine LAN number, for subsequent step traversal LAN IP address provides condition.
Step 4. builds available computerized information set
Available computerized information set is made as to empty set, completes initialization.Available computerized information set is one and is stored in and for preserving LAN, opens the computerized information set of computer end service in handheld mobile device internal memory.If i is 32 bits, i is set to the subnet mask described in step 3.I is for representing the loop variable of LAN IP address.Access IP address i by circulation just can travel through IP addresses all in LAN.I is set to i+1, the non-of the subnet mask described in i and step 3 is carried out and computing, then the network number that operation result and step 3 are calculated is carried out to exclusive disjunction obtain an IP address in LAN.The Socket port of handheld mobile device is connected to this IP address corresponding computer end Socket server listening port, and judge whether Socket connects successful: if, between handheld mobile device and computer end, set up Socket and be connected, the information that this Socket is connected deposits available computerized information set in as available computerized information.Judge in LAN, whether i is less than 0xFFFFFFFF: if, the increasing certainly 1 i being repeated, then according to above-mentioned steps, the non-of the subnet mask described in i and step 3 carried out and computing, the network number of again operation result and step 3 being calculated carries out exclusive disjunction and obtains an IP address in LAN, until i equals 0xFFFFFFFF.Available computer aggregate information is controlled to interface display at mobile device end.Computer aggregate information comprises the information such as the IP address of carrying in Socket information and port numbers.Step can be found out thus, and the present invention avoids user manually to input the process of computer end IP address, if step 2 is set to start shooting in computer end, automatically moves, and so only need to just can use handheld mobile device to control it booting computer.
Step 5. input control password
User controls the available computer of selecting to need control on interface at handheld mobile device end, Socket corresponding to the available computer of choosing connected and retained, and discharges all the other Socket and connects.User controls the input control password corresponding with the available computer of choosing on interface at handheld mobile device end.Control password and refer to the character string without special character of 8 to 20.The Socket connection that control password is set up by step 4 is sent to computer.Can be encrypted transmission to guarantee security of the present invention by controlling password.Whether the control password that judgement is sent to computer is identical with original code in computer end database: if so, password correctly can be controlled computer, execution step 6.Otherwise the Socket connection of password miscue information exchange being crossed to step 4 foundation is sent to handheld mobile device, and password miscue is shown to handheld mobile device end control interface, execution step 4.Original code refers to 8 to 20 character strings without special character that user arranged in computer end in advance before controlling computer.Step can be found out thus, and when user knows to control password, with regard to uncontrollable computer, this step has not improved security of the present invention, makes computer exempt from disabled user's control.
Step 6. sends CMD order
User controls on interface and inputs CMD order at handheld mobile device end.This CMD order also can be transformed in the input of handheld mobile device end graphical interfaces by user, so just without user, remembers CMD order of a great variety, reduces the difficulty that user uses.The Socket connection that the CMD order of user's input is set up by step 4 is sent to computer.Step can be found out thus, and the Internet Transmission that the present invention uses is to liking CMD order, and this makes the offered load of this method less.
Step 7. is carried out CMD order
The inlet flow of the CMD process that CMD order write step 2 is set up, and in the CMD process of setting up in step 2, carry out the CMD order of importing into.
Step 8. sends command execution results
Whether the output stream of reading the command prompt window process of step 2 foundation, judge in command prompt window CMD order and exist and return results: if exist, by returning results the Socket connection of setting up by step 4, be sent to handheld mobile device; Otherwise, character string " NULL " is connected and is sent to handheld mobile device by this Socket.Judgement is sent to whether returning results of handheld mobile device is character string " NULL ": if so, perform step 9; Otherwise, return message is shown to handheld mobile device end and controls interface.The return message of this step can be shown in the mode of view handheld mobile device end and control on the control interface at interface, makes like this user experience better.Step can be found out thus, and the present invention has return message when implement controlling, and return message to take transmission bandwidth little.
Step 9. releasing resource
Judge whether user continues to control computer: the Socket that if so, release steps 4 is set up connects, close the command prompt window process that step 2 sets up in computer end and close the listening port of computer end Socket server described in step 2; Otherwise execution step 6.
Below in conjunction with accompanying drawing 2,3 pairs of effects of the present invention of accompanying drawing are further described:
Accompanying drawing 2, the simulated environment that accompanying drawing 3 is realized is: Intel (R) Core (TM) 2CPU T81002.10GHz, Window 7, test procedure Cellphone Controller, and this test procedure is the test procedure that inventor herein uses method exploitation described in this patent.
Fig. 2 is for being used the present invention to browse the simulated effect figure of disk file information.User, by controlling on interface and click disk drive icon at handheld mobile device end, sends CMD order " dir " to computer end service routine.Computer end service routine is moved this CMD order and return message is sent to handheld mobile device by command messages prompt window process, handheld device end application program is converted into view information by the fileinfo returning and returns to user, and view information is the shown content of Fig. 2.In Fig. 2, the function of the scanning available host button of upper left is by Socket, to scan available computerized information set to be equivalent to step 4.Upwards the function of button is to return to upper level file to be equivalent to first use step 6, step 7, step 8 has been carried out CMD order " cd.. ", re-uses rapid 6, step 7, step 8 is carried out CMD order " dir " and is represented main part in the drawings by returning results with view form.The function of disc information button is to show that disc information is equivalent to first use step 6, step 7, step 8 has been carried out CMD order " wmic logicaldisk get DeviceID; DriveType; FileSystem; FreeSpace, Size, VolumeName " and has been illustrated in the main part except three buttons in Fig. 2 by returning results with view form.Main part in Fig. 2 except three buttons has shown D: the fileinfo under number disk is at D: under number disk, use rapid 6, step 7, step 8 is carried out the view return message after CMD order " dir ".User can, by the present invention browser document information and disc information easily, realize checking All Files in computer.
Fig. 3 is for being used the present invention to browse the simulated effect figure of progress information.When user opens test procedure process panel, handheld mobile device end application program is converted into CMD order " wmic process get CSName, Name; HandleCount; Priority, ProcessId, ThreadCount; WorkingSetSize " by clicking operation, and use rapid 6, step 7, step 8 is carried out this CMD order, then the progress information returning is converted into form data and returns to user, form data is the shown content of Fig. 3.In Fig. 3, shown Simulated computer current time progress information form, the first behavior gauge outfit information wherein, the concrete progress information of all the other behaviors.The represented implication of gauge outfit information is followed successively by process ID, the title of process, the user name under process, the priority of process, the Thread Count that process has, the handle count of process and process working set size.The unit of working set is KB.All the other every row have shown the specifying information of each process.The enforcement that user can also press a certain progress information place by length is with rapid 6, step 7, and step 8 is carried out CMD order " wmic process where ProcessId=PID delete " and is finished this process.Wherein PID is process ID to be finished.Make user browse easily progress information and to control process by the present invention.

Claims (7)

1. a method for handheld mobile device control computer in LAN, is characterized in that, comprises the steps:
(1) connect LAN
1a) open wireless router, starts the service function that wireless router DynamicHost arranges agreement;
1b) computer is connected to wireless router;
1c) open the Wifi function of handheld mobile device and by the Wifi of handheld mobile device, be connected to the wireless local network connecting point of wireless router;
(2) open computer end service
2a) calling system function, the listening port of unlatching computer end Socket server;
2b) calling system function, sets up command prompt window process in computer end;
(3) obtain LAN number
3a) calling system function, obtains the IP address in handheld mobile device network interface card information;
3b) the address style of judgement IP address: if WeiALei address, IP address, subnet mask is 0xFF000000; If WeiBLei address, IP address, subnet mask is 0xFFFF0000; If IP address is C class address, subnet mask is 0xFFFFFF00;
3c) subnet mask and IP address are carried out drawing network number with computing;
(4) build available computerized information set
4a) the available computerized information set of handheld mobile device end is made as to empty set, completes initialization;
4b) 32 binary variable i are set to step 3b) described subnet mask;
4c) i is set to i+1, and by i and step 3b) the non-of described subnet mask carry out and computing, then by operation result and step 3c) network number of calculating carries out exclusive disjunction and obtain in LAN one and do not access IP address;
4d) the Socket port of handheld mobile device is connected to this IP address corresponding computer end Socket server listening port;
4e) judge that Socket connects whether success: if so, between handheld mobile device and computer end, set up Socket and is connected, as available computerized information, deposit the information of this Socket connection in available computerized information set; Otherwise, execution step 4f);
4f) judge whether i is less than 0xFFFFFFFF: if so, perform step 4c); Otherwise available computerized information set has built, execution step 4g);
4g) available computer aggregate information is controlled to interface display at mobile device end;
(5) input control password
5a) user controls the available computer of selecting to need control on interface at handheld mobile device end, and Socket corresponding to the available computer of choosing connected and retained, and discharges all the other Socket and connects;
5b) user controls the input control password corresponding with the available computer of choosing on interface at handheld mobile device end;
5c) will controlling password by step 4f) Socket that sets up connects and is sent to computer;
5d) whether with in computer end database original code identical in judgement if being sent to the control password of computer: if so, password is correct, performs step 6a); Otherwise, password mistake, execution step 5e);
5e) password miscue information exchange being crossed to step 4f) Socket that sets up connects and is sent to handheld mobile device;
5f) password miscue is shown to handheld mobile device end and controls interface, execution step 4a);
(6) send CMD order
6a) user controls input command prompt window CMD order on interface at handheld mobile device end;
6b) by the command prompt window CMD order of user input by step 4f) the Socket connection of foundation is sent to computer;
(7) carry out CMD order
7a) by command prompt window CMD order write step 2b) inlet flow of the command prompt window process set up;
7b) at step 2b) carry out the command prompt window CMD order of importing in the command prompt window process set up;
(8) send command execution results
8a) read step 2b) output stream of the command prompt window process set up, judging in command prompt window CMD order and whether exist and return results: if exist, will return results by step 4f) the Socket connection of setting up is sent to handheld mobile device; Otherwise, character string " NULL " is connected and is sent to handheld mobile device by this Socket;
8b) judgement is sent to whether returning results of handheld mobile device is character string " NULL ": if so, perform step 9a); Otherwise, return message is shown to mobile device end and controls interface;
(9) releasing resource
9a) judge whether user continues to control computer: if so, perform step 9b); Otherwise execution step 6a);
9b) calling system function, release steps 4f) Socket setting up connects;
9c) calling system function, closes step 2b) the command prompt window process set up in computer end;
9d) calling system function, closes the listening port of computer end Socket server.
2. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that, step 1b) described computer refers to have network adapter, Windows operating system is installed and supports Socket programming, the computer of multi-process programming and command prompt window.
3. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that, step 1b) the described method that computer is connected to wireless router is, uses twisted-pair feeder computer to be connected to the lan port of wireless router.
4. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that, step 1b) the described method that computer is connected to wireless router is, uses wireless network adapter computer to be connected to the wireless local network connecting point of wireless router.
5. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that step 1c) described handheld mobile device refers to have Wifi module, supports the handheld mobile device that Socket programming and user interface are programmed.
6. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that step 5b) described control password refers to that the user of 8 to 20 controls the character string of inputting on interface at handheld mobile device.
7. in LAN according to claim 1, handheld mobile device is controlled the method for computer, it is characterized in that, step 5d) described original code refers to, the character string that 8 to 20 users that user arranged in computer end in advance before controlling computer arrange in computer end.
CN201210128848.3A 2012-04-27 2012-04-27 Method for controlling computer by handheld mobile equipment in local area network Expired - Fee Related CN102707994B (en)

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