146 results about "Inter-process communication" patented technology

A system and method for securing inter-process communications (IPCs) between generative AI and external tool servers, including intercepting IPCs having a requested operation, performing a security analysis on the IPCs for security threats, performing a permission validation for permissions for the requested operation of each IPC, and either approving or blocking the requested operation of each IPC based on the security analysis and the permission validation.

The invention discloses a method for communication between a user program and a virtual machine on a microkernel Hypervisor, the microkernel Hypervisor is provided with two shared memory areas, the shared memory area 1 is accessed by the user program and a root service Rootserver, the shared memory area 2 is accessed by the Rootserver and the virtual machine, the user program writes communication request data with the virtual machine into the shared memory area 1, and the user program writes communication request data with the virtual machine into the shared memory area 2. The method comprises the following steps that a VMM sub-thread is used as a shared memory area 1, a Rootserver is notified through inter-process communication, the Rootserver reads communication request data from the shared memory area 1, the communication request data is written into a shared memory area 2 after being analyzed by the VMM sub-thread, a system calls a syscale to transmit a communication request to a kernel, the kernel injects virtual interrupt into a virtual machine, and the virtual machine sends the communication request to the Rootserver. And an interrupt processing program of the virtual machine processes the communication request and writes a processing result into the shared memory area 2, then the processing result is returned to the Hypervisor through the Hypercall, and a Rootserver of the Hypervisor feeds back the processing result to a user program through the IPC. The method is designed for the microkernel Hypervisor environment, and the overall performance and efficiency of the embedded virtualization system are improved.

The invention discloses an EtherCAT master station synchronous control method and system based on a microkernel operating system, and belongs to the technical field of industrial automation field bus control. According to the system, a microkernel architecture is adopted, an EtherCAT protocol stack and a universal network protocol stack are deployed as two independent user mode processes, and data interaction is carried out through an inter-process communication and shared memory mechanism provided by a microkernel. According to the method, through a bidirectional dynamic clock compensation mechanism, static compensation in an initialization stage and dynamic compensation in an operation stage of a system are combined; a dynamic task scheduling strategy based on load awareness is adopted, and the task execution sequence is dynamically adjusted according to the CPU utilization rate and the task priority monitored in real time; a hardware redundancy design of double clock sources and double communication links is introduced, and a progressive synchronous recovery strategy is adopted during switching. According to the invention, nanosecond-level synchronization precision and microsecond-level fault switching can be realized, and the method is suitable for industrial control scenes with extremely high requirements on real-time performance and reliability.

The invention provides a cabin integration method of whole vehicle self-adaption platform service based on SOA and a vehicle, and relates to the technical field of vehicle SOA service, the method comprises the following steps: deeply integrating functional components of a whole vehicle self-adaption platform into an Android operating system, and embedding a communication module into an Android hardware abstraction layer; the original biochemical deployment of the SOA service in the cabin domain is realized; meanwhile, an efficient and low-delay service calling interface is constructed by expanding a communication mechanism between Android native processes, so that the Android application can directly call the whole vehicle level SOA service, and the dependence of traditional cross-domain communication on a vehicle-mounted Ethernet and a central gateway is avoided; besides, processor core resources are dynamically allocated in combination with the function security level of the SOA service, so that the real-time performance and execution reliability of high-security-level tasks are guaranteed, and the overall resource utilization efficiency of the system is improved.

The invention relates to the technical field of computers, in particular to a container health state active monitoring method and system based on log event driving, and the method comprises the steps: obtaining a standard output log stream of a target application container; performing streaming analysis on the log stream based on a preset log mode matching rule set, and generating a health state signal when specific log information representing health state change is identified; sending the health status signal to a container composer agent component on the computing node through an inter-process communication mechanism in the node; and after receiving the health state signal, the container composer agent component executes a management operation corresponding to the health state type. According to the method, the standard output log is used as an event source, non-intrusive and near-real-time health state monitoring is achieved, the aims of remarkably reducing detection delay and improving system stability can be achieved, and the method is suitable for business scenes with strict requirements for high availability.

The invention provides an Android platform multi-process communication optimization and task cooperative scheduling method and system, and relates to the technical field of communication, and the method comprises the steps: creating a communication session identifier and establishing a corresponding relation with an application list abstract, and generating session description information; calculating a resource consumption predicted value allocation priority and a time slice; establishing a bidirectional zero-copy message channel and constructing a dependency graph; processing conflicts by adopting a copy-in-write strategy; and cleaning resources when the session is terminated. According to the invention, the inter-process communication overhead is reduced, the system response speed is improved, the resource occupation is reduced, and the multi-task cooperative processing capability is enhanced.

The invention discloses a Java JAR packet encryption protection method and device, equipment and a medium, and the Java JAR packet encryption protection method comprises the steps: splitting a JAR packet decryption key into two fragments, and statically storing the two fragments in a starter program and a dynamic link library in a nonlinear confusion structure, thereby avoiding the exposure of a key plaintext. During starting, the starter transmits the first secret key fragment to the dynamic link library through secure inter-process communication, and the first secret key fragment is combined with the second fragment in the memory to restore a complete secret key. And during class loading, the Java agent intercepts a request and transmits an encrypted class byte code to the dynamic link library through the JNI, the encrypted class byte code is decrypted by using the restored key, and a plaintext is returned for loading. According to the method, static decompilation and dynamic memory dump attacks are prevented, and the anti-reverse and anti-leakage capabilities of Java software in a privatized deployment environment are remarkably improved.

A process control system software security architecture, that is more effective at preventing zero-day or other types of malware attacks, implements the use of “least privileges” when executing the applications and services run within a computer device. The least privileges based architecture separates “service” processes from desktop applications that run on behalf of a logged-on user by partitioning the global namespace of the software system into service namespaces and logged-on user namespaces, and by strictly controlling communications between the applications and services in these different namespaces using interprocess communications. Moreover, the security architecture uses custom accounts to assure that each service process has the least set of privileges that are needed for implementing its function regardless of the privileges associated with the calling application or user.

The invention discloses an Android cross-process stain detection method based on transaction graph reconstruction, and relates to the technical field of mobile terminal information security, and the method comprises the following steps: a deployment monitoring module intercepts Binder communication between Android applications; adding a stain mark for the sensitive data source, and attaching the mark during inter-process transmission; recording information of communication transactions between each process, constructing a transaction graph, and restoring paths for transmitting sensitive data between different processes in the graph; performing traversal analysis on the transaction graph, and searching for a path of spreading the data carrying the taint marks from the source application to the target application; and if the target application does not authorize to acquire the sensitive data or send the sensitive data out of the equipment, judging that the sensitive data is leaked and outputting an alarm. According to the method, flowing of privacy data can be tracked across application boundaries, automatic detection of cross-process leakage of user sensitive information caused by application collusion is achieved, and the accuracy and comprehensiveness of privacy leakage detection of the Android platform are remarkably improved.

Embodiments of the present application provide an inter-process communication method, an application server, a terminal device and a storage medium. In the embodiments of the present application, the application server uses a streaming protocol channel between the application server and an application client in the terminal device as an inter-process communication link across terminals with the assistance of an inter-process communication device, so that an application program in the application server can communicate with an application program in the terminal device, and cross-terminal data interaction capability is provided for cloud applications, cloud desktops and the like. The security of data transmission is good, resource consumption is low, and cost is low. Further optionally, the application server uses an IPC channel as an inter-process communication link in the same terminal with the assistance of the inter-process communication device, so that communication between application programs in the application server is implemented, and same-terminal data interaction capability is provided for cloud applications, cloud desktops and the like. The security of data transmission is good, resource consumption is low, and cost is low.

A gateway (2) for a fieldbus system (100), wherein the gateway (2) comprises a first processor (6) with a first operating system (62), a second processor (7) with a second operating system (72) which is different from the first operating system (62) and has a virtual Ethernet interface (73), and an inter-processor communication interface (9) which is designed to enable an Ethernet protocol-based inter-process communication between the first operating system (62) and the second operating system (72) using the virtual Ethernet interface (73).

System and method for providing control applications via sequence control components, in the case of control applications of which the execution demands selected privileges, wherein a specification of each of the required safety-critical resources is established, an additional sequence control component, which is provided for providing access to each of the required safety-critical resources, is determined based on the the specifications, execution of the respective sequence control component together with the additional sequence control component is accordingly started, an interface for interprocess communication between the respective sequence control component and the additional sequence control component is set up via a sequence control environment, and the access to the respectively required safety-critical resources is provided via the interprocess communication between the respective sequence control component and the additional sequence control component.

This invention discloses a method and apparatus for network traffic load balancing scheduling in a multi-node high-performance computing cluster, comprising three parts: network load detection, load estimation, and balancing decision. ArCa implements all parts on the host machine, requiring no modifications to the multi-node high-performance computing cluster network. Hosts send probe packets to each other to obtain the mapping relationship between paths and 5-tuples, as well as the path load. This information forms a network load table, on which ArCa estimates the short-term network load. Through estimation, the host makes a traffic plan decision and selects a path to send messages with the help of a skip flow algorithm. Each module is a separately running process that exchanges information through inter-process communication (such as MMAP), thereby improving the overall concurrency of the mechanism and enhancing its reaction speed and decision-making efficiency.

The invention discloses a cross-platform VR resource performance evaluation and compatible operation method and system, and the method comprises the steps: building a VR resource performance evaluation model based on the performance evaluation of a CPU and a GPU, and the model comprises a CPU score, a GPU score, a weight coefficient and a performance stability correction factor of a current device; the CPU score is obtained through calculation of inter-process communication and a context switching number in a current equipment system environment, the GPU score is obtained through calculation of an actual computing power value and rendering delay which are obtained through multiple iterations of a standard GLSL matrix multiplication in the current equipment system environment, and the performance stability correction factor is determined according to frame time when VR resources are operated by current equipment; when the VR resources need to be operated, the evaluation score of the VR resources operated by the current equipment is calculated through the performance evaluation model, and the corresponding configuration parameters are allocated to operate the VR resources. According to the invention, the fluency and stability of the VR picture during operation can be ensured, and the user experience is improved.

The application discloses an EtherCAT master station synchronization control method and system based on a microkernel operating system, and belongs to the technical field of industrial automation fieldbus control. The system adopts a microkernel architecture, deploys an EtherCAT protocol stack and a general network protocol stack as two independent user state processes, and carries out data interaction through an inter-process communication and shared memory mechanism provided by the microkernel. The method combines static compensation in the system initialization stage and dynamic compensation in the running stage through a bidirectional dynamic clock compensation mechanism, adopts a dynamic task scheduling strategy based on load sensing, dynamically adjusts the task execution order according to the real-time monitored CPU usage and task priority, introduces a hardware redundancy design of double clock sources and double communication links, and adopts a gradual synchronization recovery strategy during switching. The application can realize nanosecond-level synchronization accuracy and microsecond-level fault switching, and is suitable for industrial control scenes with extremely high real-time and reliability requirements.

The invention provides an inter-process communication method and device for a microkernel operating system, and the method comprises the steps: registering a key instruction page and a stack page in an initialization stage of a service process; constructing a process prefetching set according to the registered key instruction page and stack page; and in an inter-process communication initiating stage, loading the target page table items in the process prefetching set to the user process fast table so as to perform inter-process communication. According to the invention, the efficiency of inter-process communication of the system can be improved, and communication delay is reduced.

The invention provides a parasitic parameter extraction method and system for Socket interface multi-task coordination, and belongs to the technical field of parasitic parameter extraction. The method comprises the following steps: acquiring and analyzing an initial configuration file, and creating a read-write lock mechanism of a process pool and a global task coordination table; establishing non-blocking transmission control protocol monitoring, and mapping a Socket connection handle established by the sub-process and the host process to a global task coordination table; executing parasitic parameter extraction by utilizing the screened sub-processes, and generating a parasitic parameter result data packet after the extraction is completed; and performing Hash abstract verification, and if the Hash abstract verification is passed, marking the task corresponding to the parasitic parameter result data packet as completion and recording the extracted parasitic parameter. According to the method, a traditional file synchronization mechanism is replaced based on non-blocking Socket communication and an event-driven model, so that the inter-process communication efficiency is remarkably improved; and by adopting read-write lock hierarchical control and atomic operation, the utilization rate of hardware resources is effectively improved.

The invention relates to a method for calling RK3588NPU computing power by using DBus, and belongs to the technical field of edge computing and inter-process communication. According to the method, a standardized DBus server-side and client-side architecture is constructed, the underlying computing power calling logic of an RK3588 NPU is packaged into DBus service, the server-side runs in a daemon process form, core logics such as model loading, reasoning execution and resource management of an RKNN SDK are packaged, and the computing power calling capability of the NPU is exposed through a preset DBus interface; the client does not need to be in butt joint with RKNN SDK, and can call a server interface to complete NPU model reasoning, computing power state query, model resource release and other operations only through a DBus protocol. According to the method, decoupling and standardized calling of the NPU computing power are realized, the development cost of sharing the NPU computing power by multiple applications is reduced, the flexibility and efficiency of RK3588 NPU computing power calling are improved, and compared with an existing direct calling mode, the communication delay is reduced by 35%, and the computing power resource utilization rate is improved by 40%.

Regardless of whether the receiving process has completed preparation for receiving, the receiving process should be able to process the message correctly without losing any messages, even when the sending process notifies the receiving process of the message. [Solution] The system has a temporary folder 401 accessible to both the sending process and the receiving process. When the sending process sends a message (notification signal 304) to the receiving process, it creates a file 402 in the temporary folder 401 (S504, S505). When the receiving process is ready for inter-process communication, it checks whether the file 402 exists in the temporary folder 401 (S508). If the file 402 exists, it considers that it has received the message from the sending process and executes the processing that occurs when the message is received (S511).

Embodiments of the present application provide a data transmission method and an electronic device. The method is applied to a first electronic device and includes: when a plurality of service processes in the first electronic device exist service data to be sent to a second electronic device, writing, by a first service process in the first electronic device, the service data to be sent into a first shared memory, wherein the service processes of different service applications correspond to different shared memories; sending, by the first service process, a first notification message to a first transmission process in the first electronic device based on an inter-process communication (IPC) communication mechanism, the first notification message being used to instruct the first transmission process to read the service data to be sent from the first shared memory, and the first notification message not carrying the service data to be sent; reading, by the first transmission process, the service data to be sent from the first shared memory, and sending the service data to be sent to the second electronic device. In this way, problems such as IPC communication exceeding memory and crashing are avoided.

The invention relates to a host network protocol stack soft unloading method and device based on an intelligent network card. The method comprises the following steps: a software driver transmits user data between a user mode application program at a host side and a native system kernel socket interface in an embedded processor at an intelligent network card side by utilizing a hardware channel at the intelligent network card side based on an inter-process communication mode; a native system kernel socket interface in the embedded processor on the intelligent network card side replaces a native system kernel network protocol stack on the host side based on the native system kernel network protocol stack on the intelligent network card side to achieve the function of the network protocol stack. According to the embodiment of the invention, the network protocol stack function of the host CPU is unloaded by using the hardware channel at the intelligent network card side through the software driver, so that the computing resources of the host CPU are saved, the network processing pressure of the host CPU is reduced, the network transmission performance is improved, and meanwhile, the flexibility of a host network protocol stack unloading scheme and the convenience of deployment and implementation are improved.

Provided is a method for reading and writing a device for communication based on a serial communication bus, the device comprising only one read-write register, the method comprising: reading data from the one read-write register by a first process, the device being capable of reading and writing only through the first process; and transmitting the data to at least one of one or more second processes through inter-process communication based on the data. The first process is used as the inter-process communication server, so that the device can only perform reading and writing through the first process, and data loss is avoided.

System and method for non-invasive monitoring and exploitation detection in third-party software processes. The system includes modules for scanning process memory to identify sensitive credentials such as application programming interface (API) keys and tokens, monitoring opened file descriptors including files, sockets, and inter-process communication channels, and analyzing network activity including domain name system (DNS) requests and encrypted connections. Runtime metadata such as privileges, environment variables and resource usage is also collected. The system correlates these signals to detect indicators of exploitation, such as unauthorized access, privilege escalation, or injected payloads, without modifying or instrumenting the monitored process. Integration with external security systems may enhance detection accuracy. Alerts and reports are generated in real-time to support incident response and forensic analysis.

The invention discloses a communication method between micro-service components, a micro-service system and computing equipment, and relates to the field of servers. The method is applied to the computing device, the computing device is provided with a micro-service system, the micro-service system comprises a business layer, a communication compatible layer and a system layer, the business layer is provided with a first micro-service component and a second micro-service component, and the communication compatible layer is provided with a plurality of communication components; and the system layer comprises a library file corresponding to the operating environment of the micro-service system. The method comprises the following steps: determining a to-be-operated first operation environment of the micro-service system, and determining a target library file corresponding to the first operation environment based on the first operation environment; and based on the target library file, determining a first communication component, so that the first micro-service component communicates with the second micro-service component through the first communication component to realize a target service function. The first communication component is a communication component corresponding to inter-process communication supported by the first operation environment. Therefore, the business development efficiency is improved.

The application relates to an intelligent control method and device of an Internet of Things equipment, an equipment and a storage medium. The method comprises the following steps: in response to a triggering operation of a device control interface in a first operating system, generating control information for a target Internet of Things equipment; based on an inter-process communication mechanism, sending the control information to an intelligent gateway program running in a second operating system; and controlling the target Internet of Things equipment based on the control information by the intelligent gateway program. By compatibly running the first operating system and the second operating system of a common kernel in the control terminal, displaying the device control interface in the first operating system, running the intelligent gateway program in the second operating system, and controlling the target Internet of Things equipment through the intelligent gateway program, the control terminal can run various application programs, and the adaptability of the control terminal to the application programs is improved.

The objective is to develop a system and method for determining the weights of consensus odds among sportsbooks. [Solution] The system includes a function to calculate consensus odds based on the odds of each wager at each wagering venue, and each wager's odds at each wagering venue has a weight relative to the consensus odds that is proportional to the total amount wagered at each wagering venue among multiple wagering venues in the market.

This invention discloses an adaptive collaborative data acquisition system and method for power Internet of Things (IoT) terminals. It aims to solve problems related to limited terminal hardware resources, heterogeneous operating systems, and ensuring the real-time performance of core power services. The method establishes a three-in-one collaborative intelligent acquisition mechanism integrating "resources, links, and services," specifically including: a power service semantic perception module: identifying active core power service types in real time by reading process command lines and TCP ports; a nonlinear sampling frequency decision module: dynamically adjusting the sampling frequency based on service load and network link conditions using a piecewise nonlinear mapping function; a resource game Pareto optimization module: optimizing resource allocation by using an iterative algorithm to solve for the Nash equilibrium point between the probe and the service process online, with a hard constraint that the CPU utilization of the acquisition probe does not exceed 3%; and a lightweight data communication module: achieving efficient inter-process communication using a combination of POSIX shared memory, mmap zero-copy, and anonymous pipes.

The application relates to the technical field of artificial intelligence, and discloses a cross-platform compatible vocational education software and hardware cooperative management method and system.The method comprises the following steps: generating an initial training plan by using a constraint programming algorithm, performing instruction conversion on a class scheduling instruction in the initial training plan to obtain a hardware control instruction set, generating knowledge mastery data by using data of a student terminal, combining the hardware control instruction set to construct a learning path atlas, generating a cross-platform optimization instruction stream based on a learning path atlas resource allocation strategy table, extracting a key resource optimization index to obtain the key resource optimization index, performing parameterization conversion to obtain optimization parameters of the constraint programming algorithm, feeding back the optimization parameters to the constraint programming algorithm to generate an updated training plan, and improving inter-process communication efficiency, reducing the occurrence rate of multi-task scheduling conflicts, and improving the timeliness of feedback data.

The application relates to the chip technical field, in particular to a software and hardware joint debugging method based on an IPC, electronic equipment and a medium, the method comprises the following steps: S1, obtaining N software test case sets which need to be run on a to-be-tested chip design in parallel; S2, assigning a corresponding process group (B1 n , B2 n ) to each A n , assigning a corresponding interaction identifier P n to each process group based on an IPC protocol; S3, starting all B1 n in parallel, each B1 n starts to execute the corresponding A n , meanwhile, the chip RTL code performs a chip initialization operation, B1 n generates A n corresponding register configuration instructions based on the corresponding A n , and enters a waiting state; S4, after the to-be-tested chip design completes the chip initialization operation, B1 n and B2 n perform inter-process communication based on the corresponding P n , and A n is run on the to-be-tested chip design. The application reduces the cross-stage verification cost of the software test case and improves the chip verification efficiency.

The embodiment of the invention relates to a data transmission method, a storage medium, a program product, electronic equipment and a vehicle, and the method mainly comprises the steps: a server sends first image data to at least one client through an inter-process communication framework; the first image data is generated by the server according to cache data, and the cache data is from at least one application subscribed by the client; and the client obtains subscription data from the first image data so as to display the subscription data in a display area corresponding to the client. Through the above steps, the data transmission method provided by the embodiment of the invention can realize image data transmission of a server to a plurality of clients based on an inter-process communication framework, and the plurality of clients obtain corresponding subscription data according to applications subscribed by themselves, so that the plurality of clients receive data simultaneously without mutual interference, and the data transmission efficiency is improved. And high efficiency and stability of data transmission are ensured.