Node request keep alive

TCP connection between every two requests (verified with strace on Linux). Please note that the webserver is capable of keep - alive , it works with other clients. JS, Server close Keep-Alive connection in. We default to connection: close when there is no agent passed in to work around a bug in node core when we set agent: false. Ignored when the keepAlive option is false or undefined.

TCP 数据包中。 这通常是期望的（它节省了 TCP 往返），但是可能很晚才发送第一个数据。 request. It ensures that the server-side keep - alive timeout will not fire during processing of a request. Connection: keep - alive. There are two choices: 1) There are more HTTPS requests to the location, keep connection live 2) No more HTTPS requests to the location, just close the connection I desperatly need third variant - I want to keep connection alive as there will be next request in no longer than 100ms. SSL connections alive.

Thus, a new handshake has to be performed for every request. That node sends a keep - alive header may or may not be intentional. It used to be good practice ca.

The most common example is a message flow that calls a web service. By default, the default Node. To avoid the cost of establishing a new connection, you can reuse an existing connection.

Using the keep - alive connection header allows us to keep the connection open between the client and server for multiple requests , thus minimizing the overhead of establishing a secure connection. You may think that sending messages on a regular basis would stop the PING messages but it turns out that the keep alive interval applies to both publish and receive messages. Below is a screen shot with the client publishing at regular intervals( every seconds) but pings are being sent ( keep alive is secs). These are extremely small messages that consume very little bandwidth. The following method assumes Apache web server.

If the value sent is keep - alive , the connection is persistent and not close allowing for subsequent requests to the same server to be done. Ask Question Asked years, months ago. Active years, months ago. I have a long running socket which I need to keep alive even when the system is idle. For that I have tried eve.

The SOAPRequest node is a synchronous request and response node , which blocks processing after sending the request until the response is received. You can use a RESTRequest node in a message flow to issue synchronous requests to external REST APIs. The RESTRequest node uses an imported Swagger document in either JSON or YAML format, which you can import from the toolkit workspace, your file system, or from a URL. Keep - Alive method by default.

GitHub Gist: instantly share code, notes, and snippets. GET request and data from POST request ) Building a web client (a crawler) using Node. Once you have installed request , create a new Node. The first line of the example is used to import request into the program. When it comes to Node.

Dieses Intervall muss konfigurierbar sein. Die Voreinstellung darf nicht weniger als zwei Stunden betragen. Das Keepalive-Paket enthält keine Daten. HTTP Client request in Node.