843 results about "File transfer" patented technology

The invention discloses a file uploading method and device, a storage medium, electronic equipment and a program product, and relates to the technical field of computer networks and distributed storage, and the method comprises the steps: collecting metadata of a to-be-uploaded file and a network state of an uploading path between a client and a server in real time; calculating the size of a target fragment of the to-be-uploaded file for data uploading between the client and the server through the metadata and the network state; segmenting the to-be-uploaded file based on the target fragment size to obtain a plurality of data blocks; according to the method, the plurality of data blocks are used for uploading the file from the client to the server, and the uploading parameters of the different data blocks are recorded, so that the uploading result of the file to be uploaded transmitted to the server is determined through the uploading parameters, the technical problem that the uploading efficiency and robustness of the object storage system are poor is solved, and the uploading efficiency of the object storage system is improved. The technical effect of improving the uploading efficiency and robustness of the object storage system is achieved.

The invention provides a chip testing method and device, equipment, a storage medium and a program product. The method comprises the steps that operator codes, comprising multiple chip interface instructions, of a target operator are obtained, the target operator and a reference operator have the same calculation function, the chip interface instructions are used for achieving at least one hardware operation of a chip, and the hardware operations combining the multiple chip interface instructions are used for achieving the calculation function; analyzing the operator code to obtain a machine code file of the chip; test data are obtained, the test data and the machine code file are transmitted to chip simulation equipment, the chip simulation equipment is used for executing the machine code file on the test data, and a simulation calculation result of the target operator for the test data is obtained; obtaining a simulation calculation result from chip simulation equipment, and obtaining a reference calculation result of the reference operator for the test data; and generating a test result of the chip based on the simulation calculation result and the reference calculation result. According to the invention, the chip test progress can be accelerated.

The present application relates to the technical field of middleware, and in particular to a cache data semi-synchronization method, comprising comprises the following steps: writing and running a distributed cache proxy layer service using a preset programming language, receiving a read / write command request from an application client, parsing a Key consistent hashing value and sending same to a rear-end Redis sharding node. A master instance parses a message packet, marks a write operation and records same in an AOF file. Upon write to disk, the master instance sends an AOF file transfer command to a slave instance node, and the slave instance acknowledges reception. When receiving a reception response, the master instance updates an acknowledgment offset of the slave node and responds to the client. When network delay is high, data of a master node and a slave node is marked as "asynchronous", and it is automatically downgraded to asynchronous replication. According to the present application, by means of a self-developed Redis kernel, an asynchronous ack mechanism is used to optimize redis to achieve master-slave semi-synchronization, thereby enhancing data reliability of a single point of failure, and eliminating the influence introduced by a native Redis asynchronous replication mechanism such as data delay and data consistency.

An entity in a core network (CN) of a wireless communication system receives quality-of-service (QoS) parameters related to protocol data unit (PDU) set based handling of traffic (1602); performs, using the QoS parameters, QoS binding of a service data flow to a QoS flow for a certain media type (1604); generates a QoS profile associated with a QoS flow identifier (QFI) of the QoS flow, and transmits the QoS profile to a radio access network (RAN) via which the UE accesses the CN (1606).

The invention relates to an automatic hard disk testing method and device and a readable storage medium, and the method comprises the steps: importing configuration information which comprises preset BIOS (Basic Input / Output System) configuration parameters; obtaining current BIOS configuration information of the remote server, and judging the consistency of the BIOS configuration information and the BIOS configuration parameters; if the BIOS configuration information and the BIOS configuration parameters do not meet the consistency requirement, updating the BIOS configuration information, and restarting the remote server to enable the updated BIOS configuration information to take effect; the FIO source code file is connected to a remote server through an SSH, the FIO source code file is transmitted to the remote server through an SFTP protocol, and compiling is carried out on the remote server to generate an FIO command; in response to the FIO command, performing performance test on the to-be-tested hard disk; and uploading the performance test content and the test progress of the to-be-tested hard disk to an upper computer to generate a visual test result. According to the embodiment of the invention, the automation degree and the testing efficiency of hard disk testing are improved, and meanwhile, the visualization degree of the testing result is improved.

The invention discloses a cross-platform file transfer method in the mine field, which comprises the following steps: S1, mine file source identification and fluidization: docking an industrial internet platform, reading an original file generated by a specific business scene, and converting the original file into a file stream; s2, intelligent unified transcoding for the mining terminal: performing unified transcoding on the file stream through an intelligent transcoding engine; s3, encryption based on the mine data security level: carrying out encryption processing on the transcoded file; and S4, safe unloading driven by the mine service: receiving the encrypted transcoding file, and decrypting and decoding the encrypted transcoding file at a target mine terminal or a mine appointed storage node. According to the method, safe and efficient cross-platform transmission among mine multi-service systems is realized, the problem of mine terminal file compatibility is thoroughly solved, the file transmission and access efficiency in a mine weak network environment is remarkably improved, and a mine-level data security protection system is constructed.

A system for secure data exchange between an operational technology network and an external information technology network separated by an air gap. The system includes a handheld computing device, a first central station coupled to the external information technology network and a receptacle for detachable coupling to the handheld computing device. The system also includes a second central station coupled to the operational technology network and a receptacle for detachable coupling to the handheld computing device. The system manages secure file transfers between the first central station and the second central station in which a file is uploaded to the detachable handheld device, and in which the handheld device is detachable and moveable from the first central station to the second central station or vice versa. Thereafter, the handheld device is attachable to the central station to which it has been moved to enable secure downloading of the file.

The invention discloses a UDP-based large file one-way gatekeeper passing method, and relates to the technical field of data processing. The problems of high packet loss rate, low bandwidth utilization rate and insufficient verification efficiency in large file transmission in a one-way non-feedback gatekeeper environment are solved. The method comprises the following steps: segmenting a file into small fragments based on configuration, generating metadata with verification, and compressing the metadata; a fragment transmission sequence is dynamically scheduled through a priority queue, a uniform retransmission strategy is adopted to guarantee reliability, and overtime tasks are automatically cleared; a metadata verification and deduplication mechanism is utilized to ensure that the fragments are complete and unique, and redundant storage is avoided; and recombining the fragments into a complete file according to a metadata sequence, updating a database state to be'received ', and synchronously cleaning temporary fragments and redundant logs. The method has a good application prospect in the fields of distributed storage, cloud computing, CDN (Content Delivery Network), big data transmission and the like.

The invention relates to the technical field of biological extraction. The invention discloses an automatic control method and device for nucleic acid extraction and library preparation and a storage medium. The method comprises the following steps: acquiring to-be-analyzed process card information; predicting process card prediction information corresponding to nucleic acid extraction and library preparation through the target analytical model; generating a target process flow and target material information from the to-be-analyzed process card information through the process card prediction information; the target technological process is packaged in a segment program to generate a segment program combination file, and the segment program combination file is transmitted to a target module through a bus; and controlling the target module to automatically perform nucleic acid extraction operation or library preparation operation according to the segment program combination file. According to the method, the technological process can be automatically generated, and the accuracy of nucleic acid extraction and library preparation in automatic control is improved.

The invention discloses a vehicle fault file distributed uploading method and device, equipment and a medium. The method comprises the following steps: receiving a fault signal of a target vehicle through a remote information processing control unit, and extracting a part fault code and fault occurrence time according to the fault signal; collecting working condition data within a specified time range of fault occurrence time and generating a fault file; the method comprises the following steps: dividing a fault file into a plurality of sub-files according to the size of the fault file and the transmission capability of an SIM card, naming each sub-file according to a subpackage sequence, carrying out compression processing on each sub-file by adopting a compression algorithm, and sequentially uploading each compressed file to an Internet of Vehicles platform according to a sequence of file serial numbers in file names from small to large. According to the embodiment of the invention, each sub-file is named, compressed and uploaded by adopting a file subpackage strategy, so that the problem of large file transmission is solved, and the transmission efficiency is optimized; and special characters are added in the last sub-file, so that the integrity and accuracy of the fault file are ensured.

The invention relates to the technical field of computer control, and discloses an input device sharing method and system based on multiple hosts, and the system comprises a host sensing module which is used for determining a sharing end host and a use end host; the input equipment redirection module is used for sensing and determining the position of a mouse in the input equipment in the sharing end host, mapping mouse operation to the use end host, and mapping keyboard operation in the input equipment to the same use end host when the mouse operation is mapped to the use end host; the clipboard sharing module is used for acquiring clipboard contents in the sharing end host and sharing the clipboard contents to the use end host; the file dragging module is used for acquiring files in the sharing end host and transmitting the acquired files to the use end host; the problems that an existing input device sharing system is low in operation efficiency, limited in function and poor in compatibility are solved.

The invention relates to a Minio file transmission method and device based on DataX, and aims to solve the problems that an existing file transmission method is low in transmission efficiency, insufficient in reliability and lack of standardized integration. The method comprises the following steps: configuring Minio as a source data source or a target data source of a data transmission task through a task configuration file of DataX, and setting related transmission parameters; a read-write plug-in suitable for Minio is developed and integrated into the DataX framework, and direct reading and writing of files in a Minio storage bucket are achieved; after the large file is fragmented, multi-thread transmission is carried out by utilizing a DataX concurrency mechanism, so that the file transmission efficiency is improved; the fragmentation state is recorded in the transmission process, breakpoint resume is supported, and the reliability is ensured; and after the transmission is completed, verifying the file integrity through a checksum algorithm. Standardized integration of the DataX and the Minio is achieved through the Minio data source plug-in, the use threshold of a user is reduced, in addition, on the basis of implementation of an open source tool, the deployment and maintenance cost is reduced, and the method is suitable for small and medium-sized enterprises and lightweight application scenes.

The invention provides a method for a client to access a network file system and a related device, the method is applied to the field of NFS, and the method comprises the following steps: the client establishes full connection with each node in a storage cluster of a cloud; when a client sends an NFS request to a storage cluster through a network device, the network device determines an affiliation node of the NFS request and sends the NFS request to the affiliation node, and the affiliation node performs file transmission with the client according to the NFS request and sends a request completion instruction to the client. By adopting the method provided by the invention, the communication connection is established between the client and the home node, the file and the instruction can be transmitted, other nodes in the storage cluster do not need to forward the file and the instruction, the bandwidth consumption in the storage cluster is reduced, and the request processing efficiency of the storage cluster is improved.

The invention discloses a robot motion path real-time deviation rectifying method based on digital twinning, which comprises the following steps that an off-line programming system generates an initial welding track according to a welding requirement, converts the initial welding track into a code file, transmits the code file to a digital twinning system, and generates a preset track Q; the virtual model layer synchronously maps a motion path of a welding robot entity to obtain a real-time mapping track P; track points of the two tracks are matched, and wrong matching is eliminated; a robot track model is constructed, a predicted track T of entity motion of the welding robot is obtained, and track point matching is conducted on the predicted track T and a preset track Q; and the deviation value of the matched track points of the two tracks is calculated, the robot electric control system corrects the welding track of the welding robot entity according to the deviation value, and the welding track is corrected in real time. According to the correction method, track points are matched only by means of a digital twin system for real-time correction; the adopted track point matching algorithm is small in error and high in matching precision.

The invention discloses a log management method and device for a solid state disk, equipment and a medium, and relates to the technical field of computers. The method is applied to a device side and comprises the steps that in the firmware compiling generation stage of the solid state disk, a log mapping table is generated through a preset script; in the running process of the solid state disk, persistently storing the generated log data into a nonvolatile storage medium of the solid state disk to obtain an original log text; when log export needs to be carried out, obtaining a log export command issued by the host side through the out-of-band channel, reading the original log text from the nonvolatile storage medium according to the log export command, and converting the original log text into target data containing numerical information; and sending the target data to the host side through the out-of-band channel, so that the host side restores the target data into the original log text according to the log mapping table. According to the technical scheme, the problem that the file transmission time is long in a traditional mode can be solved.

The invention discloses a file circulation tracing method and device, equipment and a medium, and relates to the technical field of data security, and the method comprises the steps: obtaining first entity attribute information from a preset asset database and a preset personnel database, and receiving log data sent by a target client; preprocessing and identifying the log data to obtain second entity attribute information; performing entity mapping by using the first entity attribute information and the second entity attribute information; and writing the mapped data into a graph database according to a preset knowledge graph model, continuously tracking the full life cycle state change of the file in the graph database, and updating the graph database by using the tracked state change information. And obtaining a query result related to the to-be-traced file from the current latest graph database based on the query instruction, and correspondingly feeding back the query result. Therefore, the file traceability circulation method can be optimized to efficiently meet increasingly complicated file circulation safety requirements.

The invention relates to the technical field of software communication, and discloses a software offline downloading method and an offline downloader. The method comprises the following steps: establishing an offline downloading system, wherein the offline downloading system comprises an offline downloader main body and target equipment of to-be-updated firmware; before firmware data transmission is carried out on the offline downloader main body and the target equipment, a user-defined handshake process is executed to confirm that both the offline downloader main body and the target equipment are in a data transmission ready state; and transmitting the firmware file to the target equipment through the communication module, and performing data verification in real time in the transmission process. The rechargeable power supply unit is arranged in the offline downloader main body to break through power supply limitation, the double communication sub-modules are adapted to different scenes, self-defined handshake is matched with verification before transmission to improve reliability, firmware verification and error processing guarantee safety, the whole downloader does not need to depend on a computer and an external power supply, the operation threshold is low, and the practicability is high. And a stable, convenient and safe scheme is provided for firmware updating of the target equipment.

The invention provides a large file transmission method and device, and the method comprises the steps: obtaining the uploading information of a currently uploaded target small file, the uploading information is used for indicating the uploading efficiency of the target small file, the target small file is at least one small file in a plurality of small files or a part of files in one small file, and the uploading information is used for indicating the uploading efficiency of the target small file; the small files are obtained by splitting a to-be-uploaded large file; according to the uploading efficiency indicated by the uploading information and the data volume of the target small file, a file corresponding to the target data volume is selected from the small files which are not uploaded for next uploading, and the uploading efficiency is in positive correlation with the difference value between the target data volume and the data volume of the target small file. According to the uploading efficiency of the small files, the small files which are not transmitted later are further split, integrated or maintained in the current situation, it can be ensured that the provided resources can be fully utilized by the small files transmitted every time later, the problem that transmission is too slow due to the fact that the data size of the files is too large does not occur, and the transmission efficiency of the large files is improved.

The invention provides a high-throughput file transmission method and system and electronic equipment, and belongs to the technical field of data transmission, and the method comprises the steps: determining an initial file fragment size value of file transmission according to a preset initial available bandwidth value; fragmenting the to-be-transmitted file according to the size value of the initial file fragment, and sequentially sending each file fragment; in the process of sending the file fragments, the sending data volume is counted in real time, and packet return delay values corresponding to the file fragments are determined in real time; dynamically adjusting the current available bandwidth value according to the change trend of the sent data volume and the packet return delay value; and adaptively adjusting the size value of the current file fragment according to the dynamically adjusted current available bandwidth value, and continuing file transmission according to the adjusted size value of the file fragment. According to the method, the data transmission amount and the packet return delay are monitored in real time, and the available bandwidth value and the file fragment size are dynamically adjusted, so that the bandwidth utilization rate is improved in a shared bandwidth environment, and the high-throughput file transmission efficiency is improved.

The invention provides a transmission method and device for transactions in a circuit design file, electronic equipment and a readable storage medium, and the method comprises the steps: obtaining a first transaction constructed by an assembly language in a verification platform, analyzing the first transaction to obtain a corresponding first transaction attribute, converting the first transaction into a byte stream based on the first transaction attribute, and storing the byte stream in a verification platform; constructing a target language transaction attribute and an interface file, calling a transaction-level modeling interface of the verification platform to transmit the byte stream to the target platform, calling a communication interface of the verification platform to transmit the target language transaction attribute and the interface file to the target platform, and verifying the target language transaction attribute according to the interface file and the target language transaction attribute. The received byte stream is analyzed into the second transaction attribute through the target platform, the second transaction attribute is imported into the transaction template, the second transaction corresponding to the target language is obtained and displayed, the target language is used for verification, the language learning difficulty can be reduced, and the application scene of the verification platform is widened.

The present invention discloses a method for an intra-stack zero-copy Tx path in a shared-memory-based communication mode and pertains to the field of data communication technology, in which copying from shared memory to packet buffers is replaced with writing references to data in the shared memory into the packet buffers, eliminating creating a copy of the data in the packet buffers. An original Tx path in a network protocol stack is remodeled into a zero-copy Tx path without any modification to the application side while maintaining transparency and loose coupling of the network protocol stack to upper-layer applications. This eliminates data copying within the network protocol stack and data replication in LLC memory, thereby reducing unnecessary LLC occupancy and improving the network protocol stack's network performance in large-file transfers under heavy load conditions.

The invention discloses a firmware upgrading method capable of backspacing versions, which relates to the technical field of data processing, and comprises the following steps: transmitting a firmware file 2 to target equipment according to a network protocol; carrying out storage space recombination on the target equipment, receiving the firmware file 2 and carrying out firmware content integrity verification; if verification succeeds, the firmware file 2 is stored to the boot.b partition, data integrity verification is carried out, and firmware upgrade driving is carried out according to the firmware file 2; wherein the firmware upgrade management is carried out through the cooperation of the boot.a partition and the boot.b partition, and the boot.a partition executes the firmware rollback drive under the loading failure state of the boot.b partition. According to the method and the device, the technical problem that the firmware cannot be quickly recovered after the firmware upgrading fails in the prior art is solved, and the technical effect of enhancing the firmware upgrading fault-tolerant capability is achieved through a double-partition management mechanism and firmware content integrity verification.

The invention discloses a file transmission method, electronic equipment, a storage medium and a program product. The method is applied to a file sending end and comprises the steps that in response to a received file transmission instruction for a target file, the target file is fragmented, a plurality of data fragments are obtained, and the data size of the target file is larger than a preset threshold value; in the process of transmitting the plurality of data fragments to the file receiving end, in response to a preset data fragment of which the transmission duration is greater than a preset transmission duration in the plurality of data fragments, encoding the preset data fragment to obtain a verification block corresponding to the preset data fragment, the verification block is used for recovering the preset data fragment under the condition that the transmission of the preset data fragment fails; and transmitting the verification block and the untransmitted data fragments in the plurality of data fragments to a file receiving end to obtain a transmission result. According to the invention, the technical problem of low file transmission efficiency in related technologies is solved.

The invention relates to a file transmission method for long-distance wireless communication. Comprising the following steps: evaluating channel quality of long-distance wireless communication and acquiring an initial packet loss rate; calculating a transmission parameter according to the initial packet loss rate, wherein the transmission parameter at least comprises a fragment size and a redundancy rate; fragmenting a to-be-transmitted file at the sending end according to the fragmentation size, and encoding according to the redundancy rate; splicing the fragmented data at a receiving end and checking file integrity; and acquiring a real-time packet loss rate in a file transmission process, and dynamically adjusting the transmission parameters according to the real-time packet loss rate. By dynamically adjusting the transmission parameters, the bandwidth utilization rate is improved, and the transmission time and energy consumption are reduced. Calculation of the fragment size and the redundancy rate is based on a simple linear formula, basic addition, subtraction, multiplication and division operation is involved, the operation can be rapidly completed in a real-time environment, a large number of computing resource algorithms are not occupied, and therefore the method is more suitable for running on low-computing-power equipment such as ESP32.

The invention discloses a file transmission method, a computer readable medium and equipment, the file transmission method is applied to file synchronization equipment, preset password bytes are pre-stored in the file synchronization equipment, a file to be transmitted is sliced, and a sliced file set is generated; performing Hash calculation on each slice file in the slice file set to generate a first Hash value set, the Hash calculation of the slice files including embedding preset password bytes in file data; sending the first hash set to another file synchronization device; and sending the slice files in the slice file set to another file synchronization device through multi-thread concurrent transmission, so that the other file synchronization device performs hash verification on the slice files in combination with pre-stored preset password bytes, and when the verified hash value set is matched with the corresponding hash value in the first hash value set, transmission succeeds. Otherwise, triggering a retransmission request of the corresponding slice. According to the transmission method disclosed by the invention, double improvement of safety and reliability is realized.

Aspects of the disclosure are directed towards path generation. A method includes a computing system registering a first coordinate system of a target object with a second coordinate system of a robot. The computing system can generate a trajectory over the surface of the target object based on the registration. The computing system can generate a robot job file based at least in part on the generated trajectory. The computing system can transmit the robot job file to a robot controller.

The invention discloses an integrity checking method in a file transmission process and related equipment, which are applied to a data sending end and comprise the following steps: acquiring a to-be-sent file set; for each file in the to-be-sent file set, calculating an integrity label of the file by adopting a verification mode corresponding to the file; the verification mode is related to the data volume of the file; the form of the integrity label is a hash value form; processing the integrity label corresponding to each file by applying a set bloom filter to obtain a target integrity label; the form of the target integrity label is a hash value form; and sending the to-be-sent file set and the target integrity label to a data receiving end, so that the data receiving end verifies whether each file in the received to-be-sent file set is complete or not according to the target integrity label. According to the embodiment of the invention, the data transmission quantity is small, the consumption of hardware resources is reduced, and the data transmission speed is high, so that the speed of a data verification process is accelerated, and the confidentiality is enhanced.

The invention provides a visual detection method and system, a storage medium and electronic equipment. The visual detection method comprises the following steps: acquiring images shot by a plurality of vehicle-mounted cameras, and acquiring a panoramic look-around image according to the images; the image and the panoramic look-around image are input into a detection model, a detection result is obtained through the detection model, and the detection model comprises a parking space corner detection model, a drivable area detection model and a target object detection model; the detection result comprises a parking space corner detection result, a driving area detection result and a target object detection result; packaging the detection result, CAN signal data of the vehicle body and other to-be-transmitted data into a standardized data format to obtain a packaged file; and transmitting the packaged file to an upper computer. The visual detection method has relatively high recognition accuracy.

The invention provides a charging pile fault recording realization method and a recording device, and the method comprises the steps: building a voltage and current sampling loop, a key device state sampling loop, and a CAN communication monitoring loop through a recording device additionally disposed on a charger; the method comprises the following steps: acquiring real-time data and a communication message during charging of a charging pile through a voltage and current sampling loop, a key device state sampling loop and a CAN communication monitoring loop, and forming the real-time data into a log file; and analyzing the communication message through a wave recording device, judging whether a starting failure or an abnormal shutdown condition occurs in the charging process, converting the log data into a waveform image when the starting failure or the abnormal shutdown condition occurs, and transmitting the waveform image and a log file to a background. According to the invention, the wave recording device is additionally arranged on the charger, so that the specific cause of the fault can be clearly and accurately positioned when the charging pile has the fault, thereby realizing timely maintenance, realizing automation and saving manpower and material resources.

A lightweight end-cloud collaborative data acquisition method and system for new energy vehicle research and development verification belongs to the technical field of new energy vehicle research and development verification, and comprises the following steps: establishing a secure communication connection between a terminal and a cloud platform through a TLS protocol, sending a VIN number and an equipment number by the terminal when a vehicle is powered on, determining a vehicle type and a sampling channel after verification by the cloud platform, and selecting the DBC file of the corresponding channel from the pre-stored DBC file library to generate a DBCC file, and issuing the DBCC file to the terminal. The DBCC file includes sampling information and a sampling subset, wherein the sampling information includes sampling points and a baud rate. The cloud platform triggers an event data packaging instruction according to a preset rule, and the terminal records original data within a preset time period before and after the event occurrence moment and uploads the original data to the cloud through a file transmission mechanism. According to the invention, efficient collection, accurate analysis and timely application of research and development verification data are realized, the research and development efficiency of the new energy vehicle is effectively improved, and the development cost of the whole vehicle is reduced.