741 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 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 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.

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 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.

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.