CN112099925A - Hardware sensor sharing method and system for Android container operating system of cloud mobile phone - Google Patents
Hardware sensor sharing method and system for Android container operating system of cloud mobile phone Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
- G06F9/45516—Runtime code conversion or optimisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
Abstract
The invention discloses a hardware Sensor sharing method and a hardware Sensor sharing system for an Android container operating system of a cloud mobile phone, wherein each interactive function of a Sensor Stub part of an HAL layer of the Android container operating system of the cloud mobile phone is modified into a corresponding C/S structure client; taking a virtual sensing receiving service program of a Native layer as a C/S structure server, and taking the virtual sensing receiving service program as a hardware sensor driving program; and providing the state and the data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client by the C/S structure server. The hardware sensor sharing method and system can enable the cloud mobile phone and the user entity Android mobile phone to achieve hardware sensor data sharing, and meet the requirement that the cloud mobile phone Android container operating system remotely obtains various sensor data in the user entity Android mobile phone in operation.
Description
Technical Field
The invention relates to a hardware sensor sharing method and system, in particular to a hardware sensor sharing method and system of an Android container operating system of a cloud mobile phone.
Background
The cloud mobile phone is a smart phone application cloud platform based on cloud computing powerful virtual application and the mobile internet. Based on the outstanding advantages of cloud computing in large-scale computing, strong storage capacity, virtualization application and the like, the cloud platform provides diversified and omnibearing virtual mobile phone application and service for a smart mobile phone user, comprehensively supports display, downloading, application and management service of various mobile phone application programs, excellently realizes all-weather cloud intelligent hosting application, enables the user to be capable of hosting various application programs to a cloud under the state of being separated from a mobile terminal, keeps all-weather online state and comprehensively realizes smart mobile phone application virtualization.
The Android container operating system is an operating system with cloud mobile phones running on a server, each cloud mobile phone runs on an independent Docker to realize the running Android container operating system, but runs on the same server on hardware, and the server hardware does not have sensor equipment as diverse as the mobile phone, so the Android container operating system is not supported by hardware sensor equipment (such as an acceleration sensor, a gravity sensor and the like). In order to realize a virtual hardware sensor for a cloud mobile phone running on a server, various sensor data of user entity mobile phone equipment provided with a cloud mobile phone APP can be acquired and transmitted into an Android container operating system, so that the cloud mobile phone can share the hardware sensor data of the user entity mobile phone, and the hardware sensor simulation of the Android container operating system is realized.
Disclosure of Invention
The purpose of the invention is as follows: the hardware sensor sharing method and system for the Android container operating system of the cloud mobile phone are provided, and the data sharing of the hardware sensor can be achieved between the cloud mobile phone and the Android mobile phone of the user entity.
The technical scheme is as follows: the hardware sensor sharing method of the Android container operating system of the cloud mobile phone comprises the following steps:
step 1, modifying each interactive function of a Sensor Stub part of an Android container operating system HAL layer of a cloud mobile phone into a corresponding C/S structure client;
step 2, taking a virtual sensing receiving service program of a Native layer as a C/S structure server, and taking the virtual sensing receiving service program as a hardware sensor driving program;
and 3, interacting each C/S structure client with a C/S structure server, providing the state and the data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client by the C/S structure server, and calling an Application Framework API of the Android container operating system.
Further, in step 1, the modified interactive function includes a close function, a poll function, an activate function, and a setDelay function, and is compiled into a dynamic library and put into a system HAL layer dynamic library directory of the Android container operating system.
Further, in step 2, when the virtual sensing reception service program runs, the virtual sensing reception service program is used for receiving the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity, which are sent by the virtual sensing transmission service program, in real time.
Further, the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of an Android system standard, and sends the state and data to the virtual sensing receiving service program.
The method further comprises the step that the virtual sensing sending service program is synchronously started when the cloud mobile phone APP is started and operated.
The invention also provides a hardware sensor sharing system of the Android container operating system of the cloud mobile phone, which comprises the C/S structure server and each C/S structure client;
each C/S structure client is formed by modifying each interactive function of a Sensor Stub part of an Android container operating system (HAL) layer of the cloud mobile phone;
the C/S structure server is composed of a virtual sensing receiving service program of a Native layer;
and each C/S structure client interacts with the C/S structure server, and the C/S structure server provides the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client for calling of an Application Framework API of the Android container operating system.
Further, the modified interactive function comprises a close function, a poll function, an activate function and a setDelay function, and is compiled into a dynamic library to be placed in a system HAL layer dynamic library directory of the Android container operating system.
The system is further used for receiving the state and the data of the Android mobile phone hardware sensor of the cloud mobile phone user entity, which are sent by the virtual sensing sending service program, in real time when the virtual sensing receiving service program runs.
Further, the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of the Android system standard, and sends the state and data to the virtual sensing receiving service program.
The system further comprises a virtual sensing sending service program which is synchronously started when the cloud mobile phone APP is started and operated.
Compared with the prior art, the invention has the beneficial effects that: (1) the virtual sensing sending service program provided by the cloud mobile phone APP runs on an Android system Applications layer, the state and data of a cloud mobile phone user entity Android mobile phone hardware sensor can be obtained through an Application Framework layer API of an Android system standard, more adaptation work on a user entity Android mobile phone is not needed, and the use of a user is facilitated; (2) in the invention, only the Sensor Stub part of the HAL layer in the Android container operating system is modified, so that the Sensor Stub architecture of the Android HAL layer can not be damaged, HAL layer codes can follow Apache license, can be compiled into a dynamic library and put into a system HAL layer dynamic library catalog of the Android container operating system, the closed source and the safety of the codes can be effectively ensured, the modification of the drive of the kernel Sensor part can be avoided, and the running stability of the system can be ensured.
Drawings
FIG. 1 is a schematic diagram of a cloud handset server system architecture;
FIG. 2 is a schematic diagram of a partial architecture of a Sensor layer HAL of the Android container operating system of the present invention;
fig. 3 is a schematic diagram of a cloud mobile phone Android container operating system and a user entity Android mobile phone sharing hardware sensor.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1, a cloud mobile phone server integrates K8S and Docker on the basis of installing a Linux operating system, and respectively starts a plurality of Android container operating systems which are isolated from each other, a user entity Android mobile phone is communicated with a corresponding cloud mobile phone in the cloud mobile phone server through a network, and a hardware sensor sharing technology of the cloud mobile phone Android container operating system is also realized on the basis.
As shown in fig. 2 and 3, the hardware sensor sharing method for the Android container operating system of the cloud mobile phone includes the following steps:
step 1, modifying each interactive function of a Sensor Stub part of an Android container operating system HAL layer of a cloud mobile phone into a corresponding C/S structure client, so that a Sensor Stub framework of the Android HAL layer can not be damaged;
step 2, taking a virtual sensing receiving service program (virtual sensor receiving service) of a Native layer as a C/S structure server, and taking the virtual sensing receiving service program as a hardware sensor driving program;
and 3, interacting each C/S structure client with a C/S structure server, providing the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client by the C/S structure server, and calling an Application Framework layer API of the Android container operating system to realize hardware sensor data sharing.
The virtual sensing receiving service program is used as the C/S structure server, so that the states and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity are provided for each C/S structure client, the interface function originally interacting with the kernel is enabled not to interact with the actual hardware driving code through system calling, and the sharing efficiency of sensing data is improved.
Further, in the step 1, the modified interactive function includes a close function, a poll function, an activate function and a setDelay function, and is compiled into a dynamic library and put into a system HAL layer dynamic library directory of the Android container operating system, so that the closed source and the safety of the part of codes can be effectively guaranteed, the modification of a part of kernel sensor drive can be avoided, and the running stability of the system can be guaranteed.
Further, in step 2, the virtual sensing reception service program is used for receiving the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity sent by the virtual sensing transmission service program (VirtualSensorSendService) in real time when the virtual sensing reception service program runs.
Further, the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of an Android system standard, and sends the state and data to the virtual sensing receiving service program.
The method further comprises the steps that the virtual sensing sending service program is synchronously started when the cloud mobile phone APP is started and operated, and the cloud mobile phone APP is installed at the physical Android mobile phone end of a cloud mobile phone user; the virtual sensing sending service program is used for monitoring the state and data of a Sensor in an entity Android mobile phone of a cloud mobile phone user, transmitting the state and data to a Native layer virtual sensing receiving service program of an Android container operating system corresponding to a cloud mobile phone server through a WiFi/LTE network, analyzing and converting the state and data of a remote cloud mobile phone user mobile phone hardware Sensor through the Native layer virtual sensing receiving service program, transmitting the state and data to a Sensor Stub on an Android container operating system HAL layer through a local Socket network, and allowing an Android container operating system Application Framework layer API to call Sensor information, so that the Android container operating system of the cloud mobile phone can share the hardware Sensor data of the entity Android mobile phone of the remote cloud mobile phone user.
The invention also provides a hardware sensor sharing system of the Android container operating system of the cloud mobile phone, which comprises the C/S structure server and each C/S structure client;
each C/S structure client is formed by modifying each interactive function of a Sensor Stub part of an Android container operating system (HAL) layer of the cloud mobile phone, so that a Sensor Stub framework of the Android HAL layer can not be damaged;
the C/S structure server is composed of a virtual sensing receiving service program of a Native layer;
and each C/S structure client interacts with the C/S structure server, and the C/S structure server provides the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client, so that the Android container operating system Application Framework layer API calls to realize hardware sensor data sharing.
Further, the modified interactive function comprises a close function, a poll function, an activate function and a setDelay function, and is compiled into a dynamic library to be placed in a system HAL layer dynamic library directory of the Android container operating system.
The system is further used for receiving the state and the data of the Android mobile phone hardware sensor of the cloud mobile phone user entity, which are sent by the virtual sensing sending service program, in real time when the virtual sensing receiving service program runs.
Further, the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of the Android system standard, and sends the state and data to the virtual sensing receiving service program.
The system further comprises a virtual sensing sending service program which is synchronously started when the cloud mobile phone APP is started and operated. The virtual sensing sending service program belongs to services of Applications layers of Android system architectures, only a cloud mobile phone user needs to grant using permission of a sensor for a cloud mobile phone APP, the virtual sensing sending service program obtains states and data of an Android mobile phone hardware sensor of a cloud mobile phone user entity, the states and the data pass through an Application Framework layer API of Android system standards, and more adaptations of a user mobile phone are not needed.
The hardware Sensor sharing system of the Android container operating system of the cloud mobile phone relates to a cloud mobile phone server, the Android container operating system, a HAL layer Sensor Stub interface in the Android container operating system of the cloud mobile phone, a virtual sensing receiving service program of a Native layer of the Android container operating system, a virtual sensing sending service program of a remote user entity Android mobile phone, an entity Android mobile phone operating system, a cloud mobile phone APP and an application layer during operation.
The cloud mobile phone server is a carrier for running the Android container operating system of the cloud mobile phone, the linux server operating system runs on the cloud mobile phone server, and a Docker and K8S cloud platform management system is installed on the linux server operating system.
The Android container operating system is an Android operating system running in each Docker environment in a cloud mobile phone server, mainly comprises Android system file systems of various layers of architectures above an Android HAL layer of an Android system architecture in an Android AOSP, and a plurality of Android systems which are mutually isolated can be virtualized in the cloud mobile phone server through Linux Kernel provided by Docker, so that the Android operating systems of a plurality of cloud mobile phones in one cloud mobile phone server are formed.
HAL layer Sensor Stub interface and Android container operating system Native layer service virtual sensing receiving service program in the Android container operating system of the cloud mobile phone: modifying codes in a Sensor Stub part of an Android container operating system (HAL) layer, wherein functions such as close, poll, activate, setDelay and the like of the Sensor Stub part of a goldfish Sensor standard are mainly modified to be a C/S structure client, so that an interface function originally interacted with a kernel is not interacted with an actual hardware driving code through system calling any more, but is interacted with a new virtual sensing receiving service program of a Native layer to serve as a C/S structure service end, and the virtual sensing receiving service program serves as a hardware Sensor driving part;
the remote user entity Android mobile phone is an Android entity mobile phone used by a user, and generally comprises mobile phone general hardware sensor equipment such as an acceleration sensor, a gravity sensor and a temperature sensor, wherein when the cloud mobile phone APP operates, the cloud mobile phone APP can acquire the sensor data and send the sensor data to a virtual sensing receiving service program which operates in an Android container operating system in a cloud mobile phone server through a network;
the physical Android mobile phone operating system is an Android operating system installed in an Android physical mobile phone used by a user, and the Android system version of the current user physical mobile phone is usually 7.1.1 and above;
virtual sensing sending service programs of cloud mobile phone APP and Applications layers: the cloud mobile phone APP is an Application provided for a user to install on an entity Android mobile phone, a virtual sensing sending service program is started when the Application runs, the virtual sensing sending service program belongs to services of Applications layers of an Android system Framework, the cloud mobile phone user only needs to grant using permission of a sensor for the cloud mobile phone APP, the virtual sensing sending service program obtains states and data of an entity Android mobile phone hardware sensor of the cloud mobile phone user, the state and the data of the Android mobile phone hardware sensor pass through an Application Framework API of the Android system standard, and the user mobile phone is not required to be adapted.
The hardware sensor sharing system of the Android container operating system of the cloud mobile phone comprises the following specific processes during operation:
(1) after a user logs in a cloud mobile phone APP and is communicated with an Android container operating system of a certain cloud mobile phone in a cloud mobile phone server, a virtual sensing sending service program of a cloud mobile phone APP end starts to run, and the virtual sensing receiving service program of the Android container operating system end of the cloud mobile phone is waited to be accessed;
(2) when a user controls an APP needing a Sensor in a cloud mobile phone Android container operating system through the APP of a cloud mobile phone, the API of an Application Framework layer in the cloud mobile phone Android container operating system, which relates to the Sensor, can be called to a Sensor Stub interface of an HAL layer, the code in the interface modifies functions of close, poll, activate, setDelay and the like of the Sensor Stub part of a goldfish Sensor standard into a C/S structure client, and each interface function accesses an end virtual sensing receiving service program of a Native layer through a local Socket to obtain Sensor data;
(3) a virtual sensing receiving service program of a Native layer in an Android container operating system accesses a virtual sensing sending service program running in a remote user entity Android mobile phone through a network Socket after a Sensor Stub interface is obtained to obtain a Sensor data request so as to obtain Sensor data required by the user entity Android mobile phone;
(4) therefore, data sharing between the Android container operating system of the cloud mobile phone and the hardware sensor of the Android mobile phone of the user entity is realized.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The hardware sensor sharing method of the Android container operating system of the cloud mobile phone is characterized by comprising the following steps of:
step 1, modifying each interactive function of a Sensor Stub part of an Android container operating system HAL layer of a cloud mobile phone into a corresponding C/S structure client;
step 2, taking a virtual sensing receiving service program of a Native layer as a C/S structure server, and taking the virtual sensing receiving service program as a hardware sensor driving program;
and 3, interacting each C/S structure client with a C/S structure server, providing the state and the data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client by the C/S structure server, and calling an Application Framework API of the Android container operating system.
2. The method for sharing hardware sensors in the Android container operating system of the cloud phone as claimed in claim 1, wherein in step 1, the modified interactive functions include a close function, a poll function, an activate function and a setDelay function, and are compiled into a dynamic library and put into a system HAL layer dynamic library directory of the Android container operating system.
3. The hardware sensor sharing method for the Android container operating system of the cloud mobile phone according to claim 1, wherein in the step 2, the virtual sensing reception service program is used for receiving the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity, which are sent by the virtual sensing transmission service program, in real time when the virtual sensing reception service program runs.
4. The hardware sensor sharing method for the Android container operating system of the cloud mobile phone as claimed in claim 3, wherein the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of the Android system standard, and sends the state and data to the virtual sensing receiving service program.
5. The hardware sensor sharing method of the Android container operating system of the cloud mobile phone according to claim 4, wherein the virtual sensor sending service program is synchronously started when the cloud mobile phone APP is started and run.
6. The hardware sensor sharing system of the Android container operating system of the cloud mobile phone is characterized by comprising a C/S structure server and various C/S structure clients;
each C/S structure client is formed by modifying each interactive function of a Sensor Stub part of an Android container operating system (HAL) layer of the cloud mobile phone;
the C/S structure server is composed of a virtual sensing receiving service program of a Native layer;
and each C/S structure client interacts with the C/S structure server, and the C/S structure server provides the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity for each C/S structure client for calling of an Application Framework API of the Android container operating system.
7. The hardware sensor sharing system of the Android container operating system of the cloud phone of claim 6, wherein the modified interaction function comprises a close function, a poll function, an activate function and a setDelay function, and is compiled into a dynamic library and put into a system HAL layer dynamic library directory of the Android container operating system.
8. The hardware sensor sharing system of the Android container operating system of the cloud mobile phone of claim 6, wherein the virtual sensing reception service program is configured to receive, in real time, the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity sent by the virtual sensing transmission service program when the virtual sensing reception service program is running.
9. The hardware sensor sharing system of the Android container operating system of the cloud mobile phone as claimed in claim 6, wherein the virtual sensing sending service program obtains the state and data of the Android mobile phone hardware sensor of the cloud mobile phone user entity in real time through an Application Framework API of the Android system standard, and sends the state and data to the virtual sensing receiving service program.
10. The hardware sensor sharing system of the Android container operating system of the cloud cell phone of claim 6, wherein the virtual sensor sending service program is started synchronously when the cloud cell phone APP is started and run.
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