742 results about "WebSocket" patented technology

The invention discloses a hospital remote diagnosis and treatment method. The method includes the following steps that: S1, a patient performs registration; S2, the patient performs login; S3, the patient finds a doctor; S4, the doctor enters a consultation room; S5, the patient enters the consultation room; step S6, the management system of a hospital uploads the data of the patient to a cloud server through a data interface, a check device and an inspection device upload related check and inspection data to the cloud server through a network, voice description data, picture data and video data of the patient are directly uploaded to the cloud server, and the cloud server displays the information of the corresponding patient on a diagnosis and treatment main interface; step S, prescriptions are prescribed; and S8, consultation is terminated, WebSocket video connection is cut off, and the termination of the consultation is indicated by the consultation termination action of the doctor. With the hospital remote diagnosis and treatment method provided by the invention adopted, cross-platform real-time video doctor consultation can be realized, and cross-platform performance and efficiency of interaction can be improved.

A media stream playing apparatus for receiving a media stream transmitted from a media service unit and playing the media stream on a web browser is provided. The media stream playing apparatus includes a transmission module configured to establish a communication connection at a transport layer level with the media service unit, a websocket module configured to establish a websocket connection with the media service unit via a handshake procedure based on the communication connection and transmit or receive websocket packets to or from the media service unit while maintaining the websocket connection, a streaming module configured to receive Real-time Transport Protocol (RTP) packets carried by the websocket packets, a media decoder configured to decode the media stream obtained from the RTP packets to reconstruct video, and an output device configured to display the reconstructed video on a screen by embedding the reconstructed video in the web browser.

The invention discloses an information pushing method and system. The information pushing method includes the steps that a Websocket data channel is built between a client side and a server side based on a Websocket protocol; the server side actively pushes information to the client side through the Websocket data channel. Due to the fact that the Websocket data channel is built between the client side and the server side based on the Websocket protocol, full duplex communication of the client side and the server side is achieved, and the server side can also actively push information to the client side while the client side does not need to regularly send Http requests to the server side. Compared with a method that the Http requests are frequently sent to achieve information pushing, a large amount of dataflow and a large number of network bandwidths are saved, and using cost is lowered.

The invention discloses a system and a method for remotely controlling a browser Web page based on an internet. The system comprises a control terminal, a controlled terminal and a cloud server, wherein the control terminal is used for being connected to the cloud server through a WebSocket protocol, identifying and authorizing a user name and a password by transferring the user name and the password input by a user to the cloud server; and the controlled terminal is used for being connected to the cloud server through the WebSocket protocol, and identifying and authorizing the user name and the password by transferring the user name and the password input by the user to the cloud server, and the cloud server is used for pairing identification and authorization of the control terminal and the controlled terminal, and carrying out interactive treatment on information such as control and data between the control terminal and the controlled terminal after finishing pairing of identification and authorization.

The invention discloses a method and a system for remote control of a controlled terminal by a server. The method includes running a pre-inserted script, and performing operation of opening a browser and accessing a control page of the server by the controlled terminal; running a long-connection communication program embedded in the control page by the browser of the controlled terminal, and establishing long-connection communication with the server; and sending information to the controlled terminal to control the controlled terminal by the server after establishing the long-connection communication. The control page of the server is automatically accessed by the browser by running the script, the long-connection communication program in the control page is run, long-connection communication with the server is established by the WebSocket technology, and accordingly software need not be mounted at the controlled terminal to implement communicate and control, and control cost of a system is reduced greatly.

The embodiment of the invention discloses a handshake method for a gateway. The method comprises the following steps that: the gateway receives a handshake message from a Web browser, wherein the handshake message carries a protocol upgrade request and the address information of the Web browser; the gateway changes an application layer protocol between the Web browser and the gateway from a hyper text transfer protocol (HTTP) into a Websocket protocol according to the protocol upgrade request to establish a Websocket data transmission channel between the Web browser and the gateway; and the gateway stores the address information of the Web browser into a storage medium. The invention also discloses a communication method for the gateway, the gateway and a Web communication system. By the technical scheme, direct full duplex high-efficiency communication can be performed between the Web browsers or between the Web browser and a backend server in a local area network through the gateway.

Systems and methods for managed device-to-device communication in business computing systems are disclosed. An event stream processor is extended with a communication adapter to handle messages from devices using disparate communication protocols (e.g., versions of MQTT). The messages from the devices can be received through a gateway that converts the disparate communication protocols into a common communication protocol (e.g., WebSocket). Specific communication protocols associated with each device, as well as publisher-subscriber relationships among the devices, are established and maintained in communication adapter of the ESP.

The invention discloses a non plugin live video method of a browser. The method comprises the following steps: S01: a server obtains a video encoding stream; S02: the server transmits the video encoding stream to a Web browser by using Websocket, and the Web browser receives the video encoding stream by using the Websocket; S03: the Web browser decodes the video encoding stream by using JavaScript; and S04: the browser performs real-time video image display by using canvas+WebGL, namely, video playing. By adoption of the non plugin live video method disclosed by the invention, no plugin needs to be installed in the Web browser, live video can be realized in the browser by using the html5 standard, the delay is short, and the secondary development of the live video is performed conveniently.

The invention provides a method for achieving call center video seating through the WebRTC technology. The method includes the steps of achieving the video seating method supporting a smart mobile terminal and application in a call center service by combining the WebRTC technology and the WebSocket technology. The method is characterized in that the WebSocket protocol is adopted to achieve dual-way real-time communication between a browser and a server, and the WebRTC technology is adopted to achieve audio and video collecting, coding, decoding, network transmission and displaying. The method is used for achieving the aim that the video call center seating supports the smart mobile terminal.

The embodiment of the invention discloses a multi-screen video sharing method, terminals and a server, and relates to the technical field of communication. The method comprises the steps that a first terminal establishes a websocket data transmission channel with the server and acquires the address information of at least one second terminal establishing websocket connection with the server; the first terminal receives the video address information sent by the at least one second terminal via the server through the websocket data transmission channel; the first terminal acquires video from the server according to the video address information. The terminals acquire the video address information through establishing the websocket data transmission channel with the server, and receive media stream and displaying the video through a browser, so that client software does not need to be installed in the terminals, and therefore the video sharing efficiency among equipment is improved.

The invention discloses an audio and video live broadcast processing method for solving the problem of relatively high delay of the existing mobile terminal browser during audio and video live broadcast. The method provided by the invention comprises the following steps: obtaining a playing address of a websocket protocol from the service background according to an input live broadcast instruction by a mobile terminal; establishing a data transmission link based on the websocket protocol with a streaming media server according to the playing address; sending a target connection request to the streaming media server; obtaining a first data packet from the streaming media server via the data transmission link; depackaging the first data packet to obtain streaming media data according to a connection object, wherein the streaming media data comprise audio data and / or video data; and performing decoding playing on the streaming media through a browser based on html5. The invention further discloses a storage medium and a mobile terminal.

The embodiment of the invention provides a data transmission method, a medium, electronic equipment and a storage medium. The method is applied to a client. And the client is in communication connection with the target proxy server through a websocket protocol. The method comprises the following steps: when a client prepares to send request data to a service server, firstly, request data is packaged into a data packet in a websocket protocol format through an installed applet supporting a websocket protocol; request data in a websocket protocol format are received from a target proxy server and sent to the target proxy server, then a data packet in the websocket protocol format containing the response data is received from the target proxy server, the data packet is decapsulated to obtainthe response data, and the response data correspond to the request data. Due to the fact that the websocket protocol is adopted for communication between the client side and the target proxy server, alarge amount of time used for DNS analysis and three times of handshake is saved, the communication speed between the client side and the service server is increased, and the risk that domain name hijacking is likely to happen in the DNS analysis process is avoided.

The invention discloses a real-time stream data processing method and system of a smart city. The method comprises the steps of data collection, data type classification, data cleaning, data calculation and analysis, data display, data persistence storage and the like. The invention sets up a data collection module in the mode of mainly using Flume and supplemented by API collection, and utilizeschannel to carry out data persistence, so as to ensure reliability in the process of data transmission. Using Kafka as a stream processing platform and introducing the fault-tolerant mechanism of Flink to consume Kafka data in high level, the real real-time stream data processing can be realized, which can support millisecond-level computation. In addition, perfect window support of Flink providesmore perfect window aggregation computation API than Storm. Finally, WebSocket is used to establish the connection channel between a server and a Web end to provide real-time data service, reduce thepressure of data transmission, and improve the high concurrent access and availability of the system.

The invention discloses a video preview method and device for reducing the delay of a video and improving the user experience. The video preview method comprises the following steps: a client sends ahypertext transfer protocol HTTP request to a server, wherein the HTTP request is used for requesting to acquire a video; and the client receives a video encoded stream sent by the server according toa WebSocket protocol; the client parses the received video encoded stream by using a literal translation script language JavaScript to obtain video image data; the client calls an application programming interface API of a multimedia extension source MSE supported by a Web browser, and uses the video image data as a data source of a multimedia native tag supported by the Web browser for renderingso as to display a real-time video image.

The invention discloses a Web network management system second level cache pushing method based on HTML5, and relates to the technical field of communication and software structures. The Web network management system second level cache pushing method based on the HTML5 comprises a first step that a Web server side receives alarm reporting messages pushed by a network management server and stores the alarm reporting messages in a cache of the Web server side, a second step that the Web server side reads the alarm reporting messages from the cache and pushes the alarm reporting messages to a client side through a WebSocket channel, a third step that the Web client side stores the received alarm reporting messages in a cache of the Web client side and a fourth step that the Web client side reads the alarm reporting messages from the cache in a batch mode and displays the alarm reporting messages on an interface. The Web network management system second level cache pushing method based on the HTML5 effectively improves the ability of Web network management to handle alarm storms, and ensures completeness, a time sequence and accuracy of data.

The invention discloses a distributed data source heterogeneous synchronization platform and a synchronization method. The platform includes a front end and a server, wherein, the front end is used for submitting the data source and displaying the synchronization result of the data source; The server is used for receiving the data source submitted by the front end, completing the synchronization request of the data source, and transmitting the synchronization result to the front end. WebSocket technology is used to communicate between the front end and server. The front end includes a react-Admin-master front-end independent module adopting the front-end framework of react + redux + ruby + webpack, which comprises: a creation synchronization task sub-module, a running state sub-module anda history task information sub-module; The server contains: data-Transform-Api interface module, data-Transform-Server service module and datax-All Service Plug-in Module. The platform and the methodof the invention can provide a safe and universal platform, and each micro service in the platform is loosely coupled, can be independently deployed, and can be plug-in managed.

The present invention discloses a multi-server monitoring method, device and system, wherein the method comprises: receiving a monitor page request sent by a client through an HTTP and returning a monitor page to the client; receiving a request for establishing preset real-time connection issued by the client after executing a script and establishing a preset real-time connection with the client; receiving monitoring request information collected by the monitor page through the preset real-time connection and determining a target server and a monitoring command corresponding to the target server; and sending the monitoring command corresponding to the target server to the target server. According to the technical scheme, a server administrator can perform unified administration on a plurality of servers without the need for logging in the plurality of servers and inputting commands repeatedly, and can know the state of the server through a real-time connection such as WebSocket and realize the monitoring of the servers without the limitation of various factors such as location.

The invention provides a WebSocket-transmission-based load balancing method and a device, and aims at saving network resource and improving distribution efficiency. The WebSocket-transmission-based load balancing method comprises receiving a first WebSocket request which is launched by the client-side via a short link; enabling the client-side to redirect to a server in server cluster according to load balancing strategy, and enabling the client-side to launch a second WebSocket request to establish a link with the redirected server. Due to the fact that the WebSocket-transmission-based load balancing method does not always occupy the bandwidth between the load balancer, on one hand, network resources are saved. On the other hand, due to the fact that the data interaction between the client-side and the server is conducted through the link established between the client-side and the server after the client-side and the server are established a link, therefore, compared with the prior art, the WebSocket-transmission-based load balancing method is capable of guaranteeing own performance of the load balancing device free from impact, so that distribution ability of load balancing is improved.

In various aspects, a framework is provided for building rich, responsive, and mobile-enabled HTML 5 web applications. In one embodiment, the framework is based on a thin server architecture (TSA) that uses REST, SSE, and WebSocket to communicate with the server side. This framework, sometimes referred to herein as ‘Avatar’ is a modular, end-to-end web development framework for building enterprise mobile and desktop applications using JavaScript, HTML5 and a thin-server architecture.

The invention discloses a visual monitoring platform based on HTML5 and an application method, and relates to the field of industrial monitoring and data visualization. The platform comprises a monitoring server and a monitoring terminal. The monitoring server provides Web service, user right management service and data service for a visual monitoring website based on HTML5. The visual monitoring website based on HTML5 is composed of multiple pages such as system login, visual configuration and visual monitoring. The pages of the visual configuration and the visual monitoring are realized by a Canvas technique. The visual monitoring website comprises rights of an engineer, an operator and a visitor. The monitoring server provides a visual control and graphic primitive information data service for the monitoring terminal by an HTTP protocol and provides real time and history data service by a WebSocket protocol. The visual configuration and the visual monitoring are realized through connection of a browser and the monitoring server.

The invention discloses a server message pushing method and device. The message pushing method includes that a Websocket connection request of a client side is received, and the Websocket connection with the client side is established at a server side based on the Webscoket connection request; the server side transmits page messages based on the Websocket connection; and the Websocket connection established at the server side is integrated with a message-oriented middleware. The Websocket connection is unifiedly managed and distributed at the client side, and the Websocket connection is integrated with the message-oriented middleware, so that the message pushing efficiency of the server side is improved and the users' experience feeling is improved.

The invention relates to the technical field of video monitoring, and discloses a web-based video monitoring method, a web-based video monitoring device, a storage medium, a server and a web-based video monitoring system. The web-based video monitoring method comprises the steps: S1, receiving a playing request for playing a monitoring video sent by a web client page, wherein the playing request comprises a camera ID; S2, querying basic information of a camera corresponding to the camera ID from a database; S3, acquiring an original rtsp video stream from the camera by using the basic information; S4, converting the rtsp video stream into an rtmp video stream, and then converting the rtmp video stream into a flv video stream of websocket; and S5, sending the flv video stream to the web client, so that the web client directly plays the flv video stream in a view label after converting the flv video stream into a video clip in a playable format. The method does not depend on an SDK of acamera manufacturer any more, plug-ins are not needed, compatibility and expansibility are improved, and multiple monitoring videos can be played at the same time.

The embodiment of the invention provides a web-based television terminal multi-screen interaction method and device, and relates to the technical field of communication. The method comprises the following steps: constructing a web application running platform in a first terminal equipment television; integrating an HTML5 application and a server based on the platform; instructing other terminal users to scan a two-dimensional code of the HTML5 application or input a URL (Uniform Resource Locator) address; and establishing a websocket data transmission channel among terminal equipment in order to realize sharing of data information including local files and public network resources. Through adoption of the method, the user experience effects of point-to-point, point-to-multipoint and multipoint-to-multipoint intercommunication, interaction and information sharing can be achieved independent of external storage equipment and terminal equipment once a browser function is available.

The invention discloses a method and system capable of achieving local-area-network cross-platform game fighting interaction of mobile terminals, belongs to the technical field of games and relates to a method for achieving game interaction when multiple game users are connected to one local area network and an implementation system thereof. The method includes the steps that WIFI hot points can be added into or built for a main mobile terminal host with game clients and wait for connecting requests; game participation users seek the WIFI hot points and transmit connecting requests to the WIFI hot points after finding the target WIFI hot points; main terminals of the game clients start independent business WEBsocket information centers and game servers, the game participation users load games in the mode of carrying out code scanning or linking through an APP with a browser or a built-in browser, and game local-area-network cross-platform interaction and file data transmission are achieved. According to the method and system, design is reasonable, the structure is simple, and the game participants can achieve local-area-network cross-platform fighting interaction without installing the game clients.

The invention discloses a method and a system of a Web for accessing a Docker container, and belongs to the technical field of cloud computing. The technical problems needing to be solved are that an independent SSH service for remote login and access still needs to be built for the Web to access the Docker container remotely, configuration of parameters such as a user name and a password is needed, and the remote access process is tedious. By adoption of the technical scheme, the method comprises the steps of finding a to-be-accessed Docker container at a Web page and initiating an access request by a user; judging user authority by an access support assembly; if the user has the authority, building a token for Docker container access and returning the token to the user; by the access support assembly, obtaining the ID of the Docker container and the IP address of a host machine where the Docker container is, and generating an URL address of the Docker container interface; verifying the token by a Web access assembly, and building Websocket connection through the URL address of the Docker container interface if the token passes the verification; and opening the Web page containing a console terminal of the Docker container through the Web access assembly. The method and the system of the Web for accessing the Docker container can still realize authority control on Docker container access without enabling an sshd course.

The invention discloses a method for playing a video in a browser webpage. The method comprises the steps that a client creates a local HTTP service and a Websocket service after being started; a browser unit loads a player webpage and establishes Websocket connection with a client unit; the browser unit sends a video playing request to the client unit; the client unit converts the video playing request message into a media request SIP message meeting the GB / T 28181 standard, and sends the media request SIP message to a streaming media server unit; the streaming media server unit judges the type of the media request and performs preset processing according to the type of the media request; the client unit performs framing processing on the RTP packet and decodes each frame of data into a YUV or RGB format; the client unit sends the decoded frame data to the browser unit through the Websocket; and the browser unit receives the frame data, and renders and displays the frame data by usingHTML5 WebGL or Canvas according to the decoded YUV or RGB format of each frame data. The invention has no limitation on the type and version of the browser, and has the advantages of saving manpowerand material resources and shortening development time.

A WebSocket connection is established. The WebSocket connection was established with a requester of the connection. The authentication of the requester is configured to expire. A request to revalidate the authentication is provided. An update of the authentication is received. The update of the authentication is received without disconnecting the WebSocket connection.

In some example embodiments, a method comprises: receiving first feed data from a first feed source; generating a first message based on the first feed data and a messaging protocol, the first message comprising the first feed data and first context information indicating an application; transmitting the first message to a component dispatcher via a first WebSocket connection, the component dispatcher being configured to transmit the first feed data to the application based on the first context information; receiving second feed data from a second feed source; generating a second message based on the second feed data and the messaging protocol, the second message comprising the second feed data and second context information indicating the application; and transmitting the second message to the component dispatcher via the first WebSocket connection, the component dispatcher being configured to transmit the second feed data to the application based on the second context information.