169 results about "Coroutine" patented technology

The invention provides an asynchronous task execution method, device and system. The method comprises the following steps of: when the current thread submits the current task to a thread pool through a thread pool API, establishing a corresponding current coroutine for the current task under the current thread, wherein the current task is a task, possible to be blocked, determined by the current thread in the execution process; and processing the current task by utilizing the current coroutine. According to the method, device and system, when the current thread of an application program determines that the execution of the current task is possible to be blocked, the current task is not sent to a task queue of the thread pool, namely, the current task is not scheduled and processed by the thread pool; and a coroutine is newly established under the current thread and the current task is processed by the coroutine. Therefore, the method, device and system can solve the problems that the consumption of a CPU is increased and the performance of a processor is influenced as the task possible to be blocked is processed by the thread pool.

The invention provides a blocked task scheduling method. The method comprises the steps as follows: allocating coroutines for task functions, and calling the task functions in the coroutines; when calling of the task functions is blocked, suspending the coroutines, and setting the coroutines to be in suspended states; monitoring system I/O (input/output) events, finding the coroutines corresponding to the system I/O events, and setting the coroutines to be in running states; finding out the coroutines in the running states, resuming the found coroutines, and correspondingly processing the system I/O events. Besides, the invention further provides a blocked task scheduling device. By the aid of the blocked task scheduling method and device, the concurrency amount of a system can be increased.

The invention provides a communication method based on a coroutine mechanism. The communication method based on the coroutine mechanism comprises the following steps that firstly, in a main thread circulation process, a socket is monitored; secondly, whether data is input into the socket or not is judged, and the third step is executed if yes; thirdly, the input data is subjected to decoding analysis, whether the input data is request data or response data is judged, the fourth step is executed if the data is request data, and the fifth step is executed if the data is response data; fourthly, a coroutine function is established and used for processing the request data; fifthly, a coroutine function corresponding to the response data is searched for according to the response data, and the coroutine function is switched to process the response data. By means of the communication method based on the coroutine mechanism, the problem of waiting in a blockage mode can be solved, and data access conflict in multi-thread implement can be avoided.

The invention provides a message event distribution method, a distribution platform, system and a server, which relate to the technical field of the Internet. The method comprises the steps of obtaining pre-stored configuration information if a message event published by a message publishing service is monitored, splitting the message event according to the configuration information to obtain at least one target message event corresponding to the message event, storing the at least one target message event into a message queue corresponding to the message subscription service in a classified manner, and starting a pre-configured coroutine group of the message subscription service, obtaining a target message event corresponding to the message subscription service from the message queue through the coroutine group, and pushing the target message event to the message subscription service. According to the message event distribution method, the distribution platform, the system and the server provided by the invention, message queue clustering can be quickly carried out, later maintenance and monitoring are facilitated, and the stability of the whole message event distribution processis further improved.

The application provides a service request processing method and apparatus, an electronic device, and a storage medium, and belongs to the technical field of computers. The method includes steps: a network server monitors whether currently there is a coroutine entering an idle state; the network server determines a current to-be-distributed target service request according to acquisition times requested by servers in a service request queue if monitoring that a first coroutine enters the idle state; and the network server distributes the target service request to the first coroutine to enablethe first coroutine to respond to the target service request. Therefore, according to the service request processing method, reduction of the processing efficiency or even crash of the server can be avoided, the stability of network services is improved, and the user experience is improved.

Embodiments of the present invention provide a coroutine implementation method and apparatus. The method comprises: determining a target memory space required by a function call stack corresponding toa coroutine according to a script language byte code of a function corresponding to the coroutine, wherein one coroutine is corresponding to one function call stack; allocating an independent memoryspace corresponding to the target memory space for the function call stack, wherein the memory space of the function call stack corresponding to each coroutine does not interfere with each other; in the independent memory space, filling each structure of the function call stack with the content; preprocessing the function call stack before execution of the coroutine; and directing the execution state of the virtual machine to the function call stack so as to execute the coroutine. Further, the embodiments of the present invention can also implement coroutine switching. According to the embodiments of the present invention, the efficiency of the coroutine implementation can be improved.

A database system may provide definition of a first plurality of tasks associated with coroutine execution, and a second plurality of tasks associated with task-specific thread execution. Also provided may be spawning of a control thread and a plurality of threads, each of the plurality of threads associated with one of the second plurality of tasks, and running of the control thread to determine if a task of the first plurality of tasks and the second plurality of tasks is associated with coroutine execution or with task-specific thread execution. If the task is determined to be associated with coroutine execution, the control thread may be run to swap a coroutine context of the control thread with a coroutine context of the task. If the task is determined to be associated with thread execution, the control thread may be run to resume a thread associated with the task and to suspend the control thread.

The invention discloses a channel package packaging method and device and computer equipment. The method comprises the steps of receiving a channel package packaging request of target software; obtaining a software mother package of the target software and all channel information included in the channel package packaging request; calling a channel configuration file of a corresponding channel according to each piece of channel information; and performing resource combination on each channel configuration file and the software mother package through a plurality of coroutine parallel processingmodes to obtain a channel package of each channel corresponding to the target software. The invention further provides a computer readable storage medium. According to the invention, the plurality ofcoroutines are established in the thread to correspond to each channel, so that multi-channel parallel packaging is executed, and the flexibility and the efficiency of executing channel package packaging on the plurality of channels can be effectively improved.

The invention relates to a data processing method and device based on a block chain, computer equipment and a storage medium. The method comprises the following steps: acquiring a plurality of servicerequests, wherein the service requests carry service data and service type identifiers; obtaining a service chain corresponding to each service type identifier, each service chain having a corresponding coroutine in each service container, each service container providing different services, and each service being used for executing a data processing link of a service data processing flow; according to the business data processing flow, performing data processing of various business data in parallel by running coroutines corresponding to various business chains in various service containers;and after consensus with other participating nodes is achieved, storing data processing results of various service data in parallel by running the coroutine corresponding to each service chain in theservice container providing the storage service. When multiple types of service requests are processed, the data processing efficiency can be improved by adopting the method.

The invention discloses a service logic execution system and method based on a dynamic language. The system comprises a plurality of service logic execution devices, each service logic execution device comprises a scheduling unit and a plurality of service virtual machines. Each decvie comprises a scheduling unit and a plurality of service virtual machine, the unit is used for receiving command requests, according to the service and a virtual machine mapping table; adding the command request into a command request buffer area of a corresponding service virtual machine; wherein each service virtual machine comprises a service virtual machine thread for regularly checking whether a new command request exists in a command request buffer area or not, extracting a coroutine object from an idlecoroutine queue when the new command request exists and the idle coroutine exists in the idle coroutine queue, and then injecting new command request data into the extracted coroutine; the command request buffer area is used for storing a command request; and the idle coroutine queue is used for storing the idle coroutine of the service virtual machine. The invention belongs to the technical fieldof information, and provides a high-reliability and high-stability service logic execution environment for a large-scale application system.

The invention discloses an information processing method and system and a computer storage medium. The information processing method comprises the steps that a first coroutine performs an obtaining function to access a preset task queue; a second coroutine produces a task according to a received instruction and places the task into the task queue; and the first coroutine obtains the task from the task queue and processes the task. According to the embodiment of the invention, the coroutines are operated independently, locking is avoided, the operation efficiency is improved, the information processing timeliness and high performance are ensured, the response time of a server to a client is improved, the time delay is reduced, and the user experience is improved.

The invention provides a game system and a game processing method. The system comprises a main coroutine and at least one logic coroutine, wherein the main coroutine is in charge of determining an asynchronous message corresponding to the logic coroutine when it switches to the main coroutine from the logic coroutine, writing the asynchronous message into a shared memory region between the main coroutine and the logic coroutine and pulling up the logic coroutine; the logic coroutine is used for saving an asynchronous context in a corresponding coroutine memory region when executed current game logic conforms to a preset asynchronous condition, and the logic coroutine is also used for switching back to the main coroutine and hanging up itself; and the logic coroutine, which is pulled up by virtue of the main coroutine, is used for calling and recovering the asynchronous context from the coroutine memory region, reading the asynchronous message from the shared memory region and continuing to execute the game logic. With the application of invention, an asynchronous processing mode of game data is simplified.

The invention provides a method and device for realizing message queue reconnection, a storage medium and a device, and the method comprises the steps of executing a preset monitoring coroutine afterthe RabbitMQ connection is successfully established so as to monitor the connection state of the RabbitMQ connection; and when it is monitored that the RabbitMQ connection is in a connection failure state, calling a preset connection establishment program through the monitoring coroutine to reestablish the RabbitMQ connection. The invention provides a mode for realizing the message queue reconnection, so that the normal RabbitMQ connection is kept between the main service and the RabbitMQ service, when the RabbitMQ connection is interrupted or false dead, the automatic recovery of the connection is achieved, and the situation that a message communication mechanism is incomplete and the service processing is affected due to interruption or false dead of the connection is avoided.

The invention provides a PLC supporting a coroutine function, which comprises a central processing unit, a memory, a power supply module, a program input device, and an input and output circuit. Program coroutine function supports are expanded in the central processing unit. Coroutine key words are added to an ST language for PLC programming for marking starting and ending of the program coroutine; a coroutine basic operation library function support is added to the ST language for PLC programming, the ST language compiler for PLC programming independently compiles each coroutine section, and each coroutine has the self register context and the stack; the ST language compiler for PLC programming compiles and generates byte codes, the byte codes are downloaded to the PLC, and a byte code virtual machine for the PLC executes the byte codes; and a support for a coroutine instruction set is added to the PLC byte code virtual machine. Thus, the process control programming complexity is simplified, and the real-time performance and the execution efficiency for execution of multiple tasks can be greatly enhanced.

The embodiment of the invention provides an intelligent contract parallel execution method and device, and the method comprises the steps: generating a weighted directed graph of a transaction corresponding to each intelligent contract belonging to an account transfer type when each preset coroutine is applied to concurrently execute the intelligent contracts, corresponding to transaction information in each contract channel, belonging to an evidence storage type, wherein the coroutines are in one-to-one correspondence with the contract channels, and each contract channel comprises multiple pieces of transaction information with the same intelligent contract chain code number; and generating an account transfer transaction parallel sequence according to the weighted directed graph, and executing each intelligent contract belonging to the account transfer type, so as to enable the intelligent contracts of which the transaction information in each contract channel belongs to the evidencestorage type and the account transfer type to be executed in parallel. According to the method, the concurrency of the smart contract in the block can be effectively improved, the transaction successrate in the block can be effectively improved on the basis of effectively ensuring the execution efficiency and reducing the execution cost, and particularly, the processing success rate of the transfer transaction can be improved.

The invention discloses a method for carrying out vulnerability early warning aiming at a large-scale target. The method comprises the following steps that: for a target vulnerability, obtaining the vulnerability detailed information of a target vulnerability, and formulating the vulnerability detection tool of the target vulnerability; on the basis of a coroutine technology, creating a request sending and receiving response system which aims at the large-scale target, then, combining with the vulnerability detection tool to create mass vulnerability detection systems which aim at the large-scale target, and obtaining a target list which has the target vulnerability, wherein the request sending and receiving response system is provided with a plurality of processes, each process is provided with a main thread and a plurality of coroutines for processing a plurality of received requests in parallel and responding to data package contents, and the mass vulnerability detection systems areused for receiving the detection tasks of a plurality of targets to be detected and obtaining the target list which contains the target vulnerability; and on the basis of the vulnerability detailed information of the target vulnerability, vulnerability early warning information is generated. Speed of vulnerability detection, which aims at the large-scale target, can be greatly improved.

The invention discloses an application program running method, device and system. The method comprises: creating a main coroutine; sequentially executing codes of the application programs through themain coroutine; when the main coroutine executes the target service to be called, creating a sub-coroutine corresponding to the target service through the main coroutine, and sending a service callingrequest of the target service to a server through the sub-coroutine; after the sub-coroutine sends a service calling request to the server, switching to the main coroutine for running through the sub-coroutine so as to sequentially execute codes which are not executed yet in the application program through the main coroutine; and when the main coroutine detects a service data feedback notification returned by the server for the target service, enabling the main coroutine to control to switch to the sub-coroutine corresponding to the target service, and receive service data corresponding to the target service from the server by operating the sub-coroutine corresponding to the target service. According to the scheme, the running performance of the application program can be improved.

The invention provides a request processing method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of data processing. The method comprisesthe steps of obtaining n requests, wherein each request corresponds to a cothread on the thread, and n is an integer greater than 0 and is less than or equal to a preset threshold; determining one dominant coroutine in the n coroutines according to a preset competition rule, and taking the other n-1 coroutines as following coroutines; merging the n requests through the dominant coroutine to obtainmerged request data; and submitting the merge request data to the computing device. According to the embodiment of the invention, when the request processing method is used for processing a pluralityof requests input by a user, the coroutines are introduced to serve as the execution units, the obtained n requests correspond to the coroutines respectively, the dominant coroutines are determined according to the preset competition rule to merge the n requests, server resource consumption caused by cross-thread competition is reduced, and therefore the computing performance of the server can bebrought into full play.

The invention discloses a virtual machine backup method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: updating offset information corresponding to a target virtual machine if a target coroutine is detected, wherein the target coroutine is any coroutine in an idle state in the plurality of coroutines; based on the offset information, reading corresponding to-be-backed-up data by utilizing the target coroutine; writing the to-be-backed-up data into the target position by utilizing the target coroutine; according to the method, in theprocess that a target coroutine reads to-be-backed-up data, other coroutines can also read the data; or read data can be written into the target coroutine, and other coroutines can read or write thedata in the process of writing the data into the target coroutine, so that concurrent processing of virtual machine backup is realized; and multiple coroutines are subjected to concurrent processing,so that the data reading speed and the data writing speed are greatly increased, the virtual machine backup speed is increased, and the backup time is shortened.

The invention discloses a method and device for realizing PHP (Hypertext Preprocessor) core reentrancy, a server and a memory medium and belongs to the technical field of a computer. The method comprises the steps of allocating a coroutine to a reentrant PHP core when the server receives a processing request; operating the PHP core through the coroutine, thereby obtaining an operation case of thePHP core; selecting a case identity of an idle case according to a global case table of the PHP core, wherein the global case table stores a corresponding relationship between at least one case identity and a case state; and switching the operation case of the PHP core to the selected idle case according to the case identity, and switching the access of a structural body pointer resource in the PHP core to a resource corresponding to the idle case according to the case identity. According to the method, the device, the server and the memory medium, the PHP core reentrancy is realized, so the PHP core has a coroutine characteristic, and the concurrent processing capability of the PHP core is improved.