class Agent extends Object
The HTTP Agent is used for pooling sockets used in HTTP client requests. The HTTP Agent also defaults client requests to using Connection:keep-alive. If no pending HTTP requests are waiting on a socket to become free the socket is closed. This means that Node.js's pool has the benefit of keep-alive when under load but still does not require developers to manually close the HTTP clients using KeepAlive.
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- @RawJSType() @native() @JSImport( "http" , "Agent" )
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- new Agent(options: AgentOptions = js.native)
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def
createConnection(options: ConnectionOptions, callback: Function): Unit
Produces a socket/stream to be used for HTTP requests.
Produces a socket/stream to be used for HTTP requests. By default, this function is the same as net.createConnection(). However, custom Agents may override this method in case greater flexibility is desired.
A socket/stream can be supplied in one of two ways: by returning the socket/stream from this function, or by passing the socket/stream to callback.
callback has a signature of (err, stream).
agent.createConnection(options[, callback])
Example: -
def
destroy(): Unit
Destroy any sockets that are currently in use by the agent.
Destroy any sockets that are currently in use by the agent.
It is usually not necessary to do this. However, if you are using an agent with KeepAlive enabled, then it is best to explicitly shut down the agent when you know that it will no longer be used. Otherwise, sockets may hang open for quite a long time before the server terminates them.
agent.destroy()
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def
domain: String
The agent's domain name
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def
freeSockets: Object
An object which contains arrays of sockets currently awaiting use by the Agent when HTTP KeepAlive is used.
An object which contains arrays of sockets currently awaiting use by the Agent when HTTP KeepAlive is used. Do not modify.
agent.freeSockets
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- def keepSocketAlive(socket: Socket): Unit
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var
maxFreeSockets: Int
By default set to 256.
By default set to 256. For Agents supporting HTTP KeepAlive, this sets the maximum number of sockets that will be left open in the free state.
agent.maxFreeSockets
Example: -
var
maxSockets: Int
By default set to Infinity.
By default set to Infinity. Determines how many concurrent sockets the agent can have open per origin. Origin is either a 'host:port' or 'host:port:localAddress' combination.
agent.maxSockets
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notify(): Unit
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def
propertyIsEnumerable(v: String): Boolean
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def
requests: Object
An object which contains queues of requests that have not yet been assigned to sockets.
An object which contains queues of requests that have not yet been assigned to sockets. Do not modify.
agent.requests
Example: - def reuseSocket(socket: Socket, request: ClientRequest): Unit
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def
sockets: Object
An object which contains arrays of sockets currently in use by the Agent.
An object which contains arrays of sockets currently in use by the Agent. Do not modify.
agent.sockets
Example: -
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