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doc: add `added:` information for http 

Ref: https://github.com/nodejs/node/issues/6578
PR-URL: https://github.com/nodejs/node/pull/7392
Reviewed-By: James M Snell <jasnell@gmail.com>
v6.x
Anna Henningsen 9 years ago
committed by Jeremiah Senkpiel
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91744aaf00
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1c7b622cfc
1 changed files with 244 additions and 0 deletions
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  1. 244
      doc/api/http.md

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doc/api/http.md
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@ -44,6 +44,9 @@ list like the following:
``` ```
## Class: http.Agent ## Class: http.Agent
<!-- YAML
added: v0.3.4
-->
The HTTP Agent is used for pooling sockets used in HTTP client The HTTP Agent is used for pooling sockets used in HTTP client
requests. requests.
@ -91,6 +94,9 @@ http.get({
``` ```
### new Agent([options]) ### new Agent([options])
<!-- YAML
added: v0.3.4
-->
* `options` {Object} Set of configurable options to set on the agent. * `options` {Object} Set of configurable options to set on the agent.
Can have the following fields: Can have the following fields:
@ -118,6 +124,9 @@ http.request(options, onResponseCallback);
``` ```
### agent.createConnection(options[, callback]) ### agent.createConnection(options[, callback])
<!-- YAML
added: v0.11.4
-->
Produces a socket/stream to be used for HTTP requests. Produces a socket/stream to be used for HTTP requests.
@ -130,6 +139,9 @@ socket/stream from this function, or by passing the socket/stream to `callback`.
`callback` has a signature of `(err, stream)`. `callback` has a signature of `(err, stream)`.
### agent.destroy() ### agent.destroy()
<!-- YAML
added: v0.11.4
-->
Destroy any sockets that are currently in use by the agent. Destroy any sockets that are currently in use by the agent.
@ -140,11 +152,17 @@ sockets may hang open for quite a long time before the server
terminates them. terminates them.
### agent.freeSockets ### agent.freeSockets
<!-- YAML
added: v0.11.4
-->
An object which contains arrays of sockets currently awaiting use by An object which contains arrays of sockets currently awaiting use by
the Agent when HTTP KeepAlive is used. Do not modify. the Agent when HTTP KeepAlive is used. Do not modify.
### agent.getName(options) ### agent.getName(options)
<!-- YAML
added: v0.11.4
-->
Get a unique name for a set of request options, to determine whether a Get a unique name for a set of request options, to determine whether a
connection can be reused. In the http agent, this returns connection can be reused. In the http agent, this returns
@ -160,28 +178,43 @@ Options:
the request. the request.
### agent.maxFreeSockets ### agent.maxFreeSockets
<!-- YAML
added: v0.11.7
-->
By default set to 256. For Agents supporting HTTP KeepAlive, this 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 sets the maximum number of sockets that will be left open in the free
state. state.
### agent.maxSockets ### agent.maxSockets
<!-- YAML
added: v0.3.6
-->
By default set to Infinity. Determines how many concurrent sockets the agent By default set to Infinity. Determines how many concurrent sockets the agent
can have open per origin. Origin is either a 'host:port' or can have open per origin. Origin is either a 'host:port' or
'host:port:localAddress' combination. 'host:port:localAddress' combination.
### agent.requests ### agent.requests
<!-- YAML
added: v0.5.9
-->
An object which contains queues of requests that have not yet been assigned to An object which contains queues of requests that have not yet been assigned to
sockets. Do not modify. sockets. Do not modify.
### agent.sockets ### agent.sockets
<!-- YAML
added: v0.3.6
-->
An object which contains arrays of sockets currently in use by the An object which contains arrays of sockets currently in use by the
Agent. Do not modify. Agent. Do not modify.
## Class: http.ClientRequest ## Class: http.ClientRequest
<!-- YAML
added: v0.1.17
-->
This object is created internally and returned from [`http.request()`][]. It This object is created internally and returned from [`http.request()`][]. It
represents an _in-progress_ request whose header has already been queued. The represents an _in-progress_ request whose header has already been queued. The
@ -213,6 +246,9 @@ The request implements the [Writable Stream][] interface. This is an
[`EventEmitter`][] with the following events: [`EventEmitter`][] with the following events:
### Event: 'abort' ### Event: 'abort'
<!-- YAML
added: v1.4.1
-->
`function () { }` `function () { }`
@ -220,6 +256,9 @@ Emitted when the request has been aborted by the client. This event is only
emitted on the first call to `abort()`. emitted on the first call to `abort()`.
### Event: 'aborted' ### Event: 'aborted'
<!-- YAML
added: v0.3.8
-->
`function () { }` `function () { }`
@ -227,6 +266,9 @@ Emitted when the request has been aborted by the server and the network
socket has closed. socket has closed.
### Event: 'checkExpectation' ### Event: 'checkExpectation'
<!-- YAML
added: v5.5.0
-->
`function (request, response) { }` `function (request, response) { }`
@ -238,6 +280,9 @@ Note that when this event is emitted and handled, the `request` event will
not be emitted. not be emitted.
### Event: 'connect' ### Event: 'connect'
<!-- YAML
added: v0.7.0
-->
`function (response, socket, head) { }` `function (response, socket, head) { }`
@ -303,6 +348,9 @@ proxy.listen(1337, '127.0.0.1', () => {
``` ```
### Event: 'continue' ### Event: 'continue'
<!-- YAML
added: v0.3.2
-->
`function () { }` `function () { }`
@ -311,6 +359,9 @@ the request contained 'Expect: 100-continue'. This is an instruction that
the client should send the request body. the client should send the request body.
### Event: 'response' ### Event: 'response'
<!-- YAML
added: v0.1.0
-->
`function (response) { }` `function (response) { }`
@ -318,12 +369,18 @@ Emitted when a response is received to this request. This event is emitted only
once. The `response` argument will be an instance of [`http.IncomingMessage`][]. once. The `response` argument will be an instance of [`http.IncomingMessage`][].
### Event: 'socket' ### Event: 'socket'
<!-- YAML
added: v0.5.3
-->
`function (socket) { }` `function (socket) { }`
Emitted after a socket is assigned to this request. Emitted after a socket is assigned to this request.
### Event: 'upgrade' ### Event: 'upgrade'
<!-- YAML
added: v0.1.94
-->
`function (response, socket, head) { }` `function (response, socket, head) { }`
@ -375,11 +432,17 @@ srv.listen(1337, '127.0.0.1', () => {
``` ```
### request.abort() ### request.abort()
<!-- YAML
added: v0.3.8
-->
Marks the request as aborting. Calling this will cause remaining data Marks the request as aborting. Calling this will cause remaining data
in the response to be dropped and the socket to be destroyed. in the response to be dropped and the socket to be destroyed.
### request.end([data][, encoding][, callback]) ### request.end([data][, encoding][, callback])
<!-- YAML
added: v0.1.90
-->
Finishes sending the request. If any parts of the body are Finishes sending the request. If any parts of the body are
unsent, it will flush them to the stream. If the request is unsent, it will flush them to the stream. If the request is
@ -392,6 +455,9 @@ If `callback` is specified, it will be called when the request stream
is finished. is finished.
### request.flushHeaders() ### request.flushHeaders()
<!-- YAML
added: v1.6.0
-->
Flush the request headers. Flush the request headers.
@ -404,16 +470,25 @@ data isn't sent until possibly much later. `request.flushHeaders()` lets you by
the optimization and kickstart the request. the optimization and kickstart the request.
### request.setNoDelay([noDelay]) ### request.setNoDelay([noDelay])
<!-- YAML
added: v0.5.9
-->
Once a socket is assigned to this request and is connected Once a socket is assigned to this request and is connected
[`socket.setNoDelay()`][] will be called. [`socket.setNoDelay()`][] will be called.
### request.setSocketKeepAlive([enable][, initialDelay]) ### request.setSocketKeepAlive([enable][, initialDelay])
<!-- YAML
added: v0.5.9
-->
Once a socket is assigned to this request and is connected Once a socket is assigned to this request and is connected
[`socket.setKeepAlive()`][] will be called. [`socket.setKeepAlive()`][] will be called.
### request.setTimeout(timeout[, callback]) ### request.setTimeout(timeout[, callback])
<!-- YAML
added: v0.5.9
-->
Once a socket is assigned to this request and is connected Once a socket is assigned to this request and is connected
[`socket.setTimeout()`][] will be called. [`socket.setTimeout()`][] will be called.
@ -422,6 +497,9 @@ Once a socket is assigned to this request and is connected
* `callback` {Function} Optional function to be called when a timeout occurs. Same as binding to the `timeout` event. * `callback` {Function} Optional function to be called when a timeout occurs. Same as binding to the `timeout` event.
### request.write(chunk[, encoding][, callback]) ### request.write(chunk[, encoding][, callback])
<!-- YAML
added: v0.1.29
-->
Sends a chunk of the body. By calling this method Sends a chunk of the body. By calling this method
many times, the user can stream a request body to a many times, the user can stream a request body to a
@ -440,10 +518,16 @@ is flushed.
Returns `request`. Returns `request`.
## Class: http.Server ## Class: http.Server
<!-- YAML
added: v0.1.17
-->
This class inherits from [`net.Server`][] and has the following additional events: This class inherits from [`net.Server`][] and has the following additional events:
### Event: 'checkContinue' ### Event: 'checkContinue'
<!-- YAML
added: v0.3.0
-->
`function (request, response) { }` `function (request, response) { }`
@ -460,6 +544,9 @@ Note that when this event is emitted and handled, the `'request'` event will
not be emitted. not be emitted.
### Event: 'clientError' ### Event: 'clientError'
<!-- YAML
added: v0.1.94
-->
`function (exception, socket) { }` `function (exception, socket) { }`
@ -490,12 +577,18 @@ object, so any HTTP response sent, including response headers and payload,
ensure the response is a properly formatted HTTP response message. ensure the response is a properly formatted HTTP response message.
### Event: 'close' ### Event: 'close'
<!-- YAML
added: v0.1.4
-->
`function () { }` `function () { }`
Emitted when the server closes. Emitted when the server closes.
### Event: 'connect' ### Event: 'connect'
<!-- YAML
added: v0.7.0
-->
`function (request, socket, head) { }` `function (request, socket, head) { }`
@ -514,6 +607,9 @@ event listener, meaning you will need to bind to it in order to handle data
sent to the server on that socket. sent to the server on that socket.
### Event: 'connection' ### Event: 'connection'
<!-- YAML
added: v0.1.0
-->
`function (socket) { }` `function (socket) { }`
@ -524,6 +620,9 @@ the protocol parser attaches to the socket. The `socket` can also be
accessed at `request.connection`. accessed at `request.connection`.
### Event: 'request' ### Event: 'request'
<!-- YAML
added: v0.1.0
-->
`function (request, response) { }` `function (request, response) { }`
@ -533,6 +632,9 @@ per connection (in the case of keep-alive connections).
an instance of [`http.ServerResponse`][]. an instance of [`http.ServerResponse`][].
### Event: 'upgrade' ### Event: 'upgrade'
<!-- YAML
added: v0.1.94
-->
`function (request, socket, head) { }` `function (request, socket, head) { }`
@ -551,10 +653,16 @@ event listener, meaning you will need to bind to it in order to handle data
sent to the server on that socket. sent to the server on that socket.
### server.close([callback]) ### server.close([callback])
<!-- YAML
added: v0.1.90
-->
Stops the server from accepting new connections. See [`net.Server.close()`][]. Stops the server from accepting new connections. See [`net.Server.close()`][].
### server.listen(handle[, callback]) ### server.listen(handle[, callback])
<!-- YAML
added: v0.5.10
-->
* `handle` {Object} * `handle` {Object}
* `callback` {Function} * `callback` {Function}
@ -574,6 +682,9 @@ a listener for the `'listening'` event. See also [`net.Server.listen()`][].
Returns `server`. Returns `server`.
### server.listen(path[, callback]) ### server.listen(path[, callback])
<!-- YAML
added: v0.1.90
-->
Start a UNIX socket server listening for connections on the given `path`. Start a UNIX socket server listening for connections on the given `path`.
@ -581,6 +692,9 @@ This function is asynchronous. The last parameter `callback` will be added as
a listener for the `'listening'` event. See also [`net.Server.listen(path)`][]. a listener for the `'listening'` event. See also [`net.Server.listen(path)`][].
### server.listen(port[, hostname][, backlog][, callback]) ### server.listen(port[, hostname][, backlog][, callback])
<!-- YAML
added: v0.1.90
-->
Begin accepting connections on the specified `port` and `hostname`. If the Begin accepting connections on the specified `port` and `hostname`. If the
`hostname` is omitted, the server will accept connections on any IPv6 address `hostname` is omitted, the server will accept connections on any IPv6 address
@ -598,16 +712,25 @@ This function is asynchronous. The last parameter `callback` will be added as
a listener for the `'listening'` event. See also [`net.Server.listen(port)`][]. a listener for the `'listening'` event. See also [`net.Server.listen(port)`][].
### server.listening ### server.listening
<!-- YAML
added: v5.7.0
-->
A Boolean indicating whether or not the server is listening for A Boolean indicating whether or not the server is listening for
connections. connections.
### server.maxHeadersCount ### server.maxHeadersCount
<!-- YAML
added: v0.7.0
-->
Limits maximum incoming headers count, equal to 1000 by default. If set to 0 - Limits maximum incoming headers count, equal to 1000 by default. If set to 0 -
no limit will be applied. no limit will be applied.
### server.setTimeout(msecs, callback) ### server.setTimeout(msecs, callback)
<!-- YAML
added: v0.9.12
-->
* `msecs` {Number} * `msecs` {Number}
* `callback` {Function} * `callback` {Function}
@ -627,6 +750,9 @@ for handling socket timeouts.
Returns `server`. Returns `server`.
### server.timeout ### server.timeout
<!-- YAML
added: v0.9.12
-->
* {Number} Default = 120000 (2 minutes) * {Number} Default = 120000 (2 minutes)
@ -641,6 +767,9 @@ Set to 0 to disable any kind of automatic timeout behavior on incoming
connections. connections.
## Class: http.ServerResponse ## Class: http.ServerResponse
<!-- YAML
added: v0.1.17
-->
This object is created internally by a HTTP server--not by the user. It is This object is created internally by a HTTP server--not by the user. It is
passed as the second parameter to the `'request'` event. passed as the second parameter to the `'request'` event.
@ -649,6 +778,9 @@ The response implements, but does not inherit from, the [Writable Stream][]
interface. This is an [`EventEmitter`][] with the following events: interface. This is an [`EventEmitter`][] with the following events:
### Event: 'close' ### Event: 'close'
<!-- YAML
added: v0.6.7
-->
`function () { }` `function () { }`
@ -656,6 +788,9 @@ Indicates that the underlying connection was terminated before
[`response.end()`][] was called or able to flush. [`response.end()`][] was called or able to flush.
### Event: 'finish' ### Event: 'finish'
<!-- YAML
added: v0.3.6
-->
`function () { }` `function () { }`
@ -667,6 +802,9 @@ does not imply that the client has received anything yet.
After this event, no more events will be emitted on the response object. After this event, no more events will be emitted on the response object.
### response.addTrailers(headers) ### response.addTrailers(headers)
<!-- YAML
added: v0.3.0
-->
This method adds HTTP trailing headers (a header but at the end of the This method adds HTTP trailing headers (a header but at the end of the
message) to the response. message) to the response.
@ -690,6 +828,9 @@ Attempting to set a header field name or value that contains invalid characters
will result in a [`TypeError`][] being thrown. will result in a [`TypeError`][] being thrown.
### response.end([data][, encoding][, callback]) ### response.end([data][, encoding][, callback])
<!-- YAML
added: v0.1.90
-->
This method signals to the server that all of the response headers and body This method signals to the server that all of the response headers and body
have been sent; that server should consider this message complete. have been sent; that server should consider this message complete.
@ -702,11 +843,17 @@ If `callback` is specified, it will be called when the response stream
is finished. is finished.
### response.finished ### response.finished
<!-- YAML
added: v0.0.2
-->
Boolean value that indicates whether the response has completed. Starts Boolean value that indicates whether the response has completed. Starts
as `false`. After [`response.end()`][] executes, the value will be `true`. as `false`. After [`response.end()`][] executes, the value will be `true`.
### response.getHeader(name) ### response.getHeader(name)
<!-- YAML
added: v0.4.0
-->
Reads out a header that's already been queued but not sent to the client. Note Reads out a header that's already been queued but not sent to the client. Note
that the name is case insensitive. This can only be called before headers get that the name is case insensitive. This can only be called before headers get
@ -719,10 +866,16 @@ var contentType = response.getHeader('content-type');
``` ```
### response.headersSent ### response.headersSent
<!-- YAML
added: v0.9.3
-->
Boolean (read-only). True if headers were sent, false otherwise. Boolean (read-only). True if headers were sent, false otherwise.
### response.removeHeader(name) ### response.removeHeader(name)
<!-- YAML
added: v0.4.0
-->
Removes a header that's queued for implicit sending. Removes a header that's queued for implicit sending.
@ -733,6 +886,9 @@ response.removeHeader('Content-Encoding');
``` ```
### response.sendDate ### response.sendDate
<!-- YAML
added: v0.7.5
-->
When true, the Date header will be automatically generated and sent in When true, the Date header will be automatically generated and sent in
the response if it is not already present in the headers. Defaults to true. the response if it is not already present in the headers. Defaults to true.
@ -741,6 +897,9 @@ This should only be disabled for testing; HTTP requires the Date header
in responses. in responses.
### response.setHeader(name, value) ### response.setHeader(name, value)
<!-- YAML
added: v0.4.0
-->
Sets a single header value for implicit headers. If this header already exists Sets a single header value for implicit headers. If this header already exists
in the to-be-sent headers, its value will be replaced. Use an array of strings in the to-be-sent headers, its value will be replaced. Use an array of strings
@ -776,6 +935,9 @@ const server = http.createServer((req,res) => {
``` ```
### response.setTimeout(msecs, callback) ### response.setTimeout(msecs, callback)
<!-- YAML
added: v0.9.12
-->
* `msecs` {Number} * `msecs` {Number}
* `callback` {Function} * `callback` {Function}
@ -793,6 +955,9 @@ sockets.
Returns `response`. Returns `response`.
### response.statusCode ### response.statusCode
<!-- YAML
added: v0.4.0
-->
When using implicit headers (not calling [`response.writeHead()`][] explicitly), When using implicit headers (not calling [`response.writeHead()`][] explicitly),
this property controls the status code that will be sent to the client when this property controls the status code that will be sent to the client when
@ -808,6 +973,9 @@ After response header was sent to the client, this property indicates the
status code which was sent out. status code which was sent out.
### response.statusMessage ### response.statusMessage
<!-- YAML
added: v0.11.8
-->
When using implicit headers (not calling [`response.writeHead()`][] explicitly), this property When using implicit headers (not calling [`response.writeHead()`][] explicitly), this property
controls the status message that will be sent to the client when the headers get controls the status message that will be sent to the client when the headers get
@ -824,6 +992,9 @@ After response header was sent to the client, this property indicates the
status message which was sent out. status message which was sent out.
### response.write(chunk[, encoding][, callback]) ### response.write(chunk[, encoding][, callback])
<!-- YAML
added: v0.1.29
-->
If this method is called and [`response.writeHead()`][] has not been called, If this method is called and [`response.writeHead()`][] has not been called,
it will switch to implicit header mode and flush the implicit headers. it will switch to implicit header mode and flush the implicit headers.
@ -850,11 +1021,17 @@ buffer. Returns `false` if all or part of the data was queued in user memory.
`'drain'` will be emitted when the buffer is free again. `'drain'` will be emitted when the buffer is free again.
### response.writeContinue() ### response.writeContinue()
<!-- YAML
added: v0.3.0
-->
Sends a HTTP/1.1 100 Continue message to the client, indicating that Sends a HTTP/1.1 100 Continue message to the client, indicating that
the request body should be sent. See the [`'checkContinue'`][] event on `Server`. the request body should be sent. See the [`'checkContinue'`][] event on `Server`.
### response.writeHead(statusCode[, statusMessage][, headers]) ### response.writeHead(statusCode[, statusMessage][, headers])
<!-- YAML
added: v0.1.30
-->
Sends a response header to the request. The status code is a 3-digit HTTP Sends a response header to the request. The status code is a 3-digit HTTP
status code, like `404`. The last argument, `headers`, are the response headers. status code, like `404`. The last argument, `headers`, are the response headers.
@ -901,6 +1078,9 @@ Attempting to set a header field name or value that contains invalid characters
will result in a [`TypeError`][] being thrown. will result in a [`TypeError`][] being thrown.
## Class: http.IncomingMessage ## Class: http.IncomingMessage
<!-- YAML
added: v0.1.17
-->
An `IncomingMessage` object is created by [`http.Server`][] or An `IncomingMessage` object is created by [`http.Server`][] or
[`http.ClientRequest`][] and passed as the first argument to the `'request'` [`http.ClientRequest`][] and passed as the first argument to the `'request'`
@ -911,6 +1091,9 @@ It implements the [Readable Stream][] interface, as well as the
following additional events, methods, and properties. following additional events, methods, and properties.
### Event: 'aborted' ### Event: 'aborted'
<!-- YAML
added: v0.3.8
-->
`function () { }` `function () { }`
@ -918,6 +1101,9 @@ Emitted when the request has been aborted by the client and the network
socket has closed. socket has closed.
### Event: 'close' ### Event: 'close'
<!-- YAML
added: v0.4.2
-->
`function () { }` `function () { }`
@ -925,6 +1111,9 @@ Indicates that the underlying connection was closed.
Just like `'end'`, this event occurs only once per response. Just like `'end'`, this event occurs only once per response.
### message.destroy([error]) ### message.destroy([error])
<!-- YAML
added: v0.3.0
-->
* `error` {Error} * `error` {Error}
@ -933,6 +1122,9 @@ is provided, an `'error'` event is emitted and `error` is passed as an argument
to any listeners on the event. to any listeners on the event.
### message.headers ### message.headers
<!-- YAML
added: v0.1.5
-->
The request/response headers object. The request/response headers object.
@ -959,6 +1151,9 @@ header name:
* For all other headers, the values are joined together with ', '. * For all other headers, the values are joined together with ', '.
### message.httpVersion ### message.httpVersion
<!-- YAML
added: v0.1.1
-->
In case of server request, the HTTP version sent by the client. In the case of In case of server request, the HTTP version sent by the client. In the case of
client response, the HTTP version of the connected-to server. client response, the HTTP version of the connected-to server.
@ -968,6 +1163,9 @@ Also `message.httpVersionMajor` is the first integer and
`message.httpVersionMinor` is the second. `message.httpVersionMinor` is the second.
### message.method ### message.method
<!-- YAML
added: v0.1.1
-->
**Only valid for request obtained from [`http.Server`][].** **Only valid for request obtained from [`http.Server`][].**
@ -975,6 +1173,9 @@ The request method as a string. Read only. Example:
`'GET'`, `'DELETE'`. `'GET'`, `'DELETE'`.
### message.rawHeaders ### message.rawHeaders
<!-- YAML
added: v0.11.6
-->
The raw request/response headers list exactly as they were received. The raw request/response headers list exactly as they were received.
@ -999,11 +1200,17 @@ console.log(request.rawHeaders);
``` ```
### message.rawTrailers ### message.rawTrailers
<!-- YAML
added: v0.11.6
-->
The raw request/response trailer keys and values exactly as they were The raw request/response trailer keys and values exactly as they were
received. Only populated at the `'end'` event. received. Only populated at the `'end'` event.
### message.setTimeout(msecs, callback) ### message.setTimeout(msecs, callback)
<!-- YAML
added: v0.5.9
-->
* `msecs` {Number} * `msecs` {Number}
* `callback` {Function} * `callback` {Function}
@ -1013,18 +1220,27 @@ Calls `message.connection.setTimeout(msecs, callback)`.
Returns `message`. Returns `message`.
### message.statusCode ### message.statusCode
<!-- YAML
added: v0.1.1
-->
**Only valid for response obtained from [`http.ClientRequest`][].** **Only valid for response obtained from [`http.ClientRequest`][].**
The 3-digit HTTP response status code. E.G. `404`. The 3-digit HTTP response status code. E.G. `404`.
### message.statusMessage ### message.statusMessage
<!-- YAML
added: v0.11.10
-->
**Only valid for response obtained from [`http.ClientRequest`][].** **Only valid for response obtained from [`http.ClientRequest`][].**
The HTTP response status message (reason phrase). E.G. `OK` or `Internal Server Error`. The HTTP response status message (reason phrase). E.G. `OK` or `Internal Server Error`.
### message.socket ### message.socket
<!-- YAML
added: v0.3.0
-->
The [`net.Socket`][] object associated with the connection. The [`net.Socket`][] object associated with the connection.
@ -1032,10 +1248,16 @@ With HTTPS support, use [`request.socket.getPeerCertificate()`][] to obtain the
client's authentication details. client's authentication details.
### message.trailers ### message.trailers
<!-- YAML
added: v0.3.0
-->
The request/response trailers object. Only populated at the `'end'` event. The request/response trailers object. Only populated at the `'end'` event.
### message.url ### message.url
<!-- YAML
added: v0.1.90
-->
**Only valid for request obtained from [`http.Server`][].** **Only valid for request obtained from [`http.Server`][].**
@ -1084,12 +1306,18 @@ $ node
``` ```
## http.METHODS ## http.METHODS
<!-- YAML
added: v0.11.8
-->
* {Array} * {Array}
A list of the HTTP methods that are supported by the parser. A list of the HTTP methods that are supported by the parser.
## http.STATUS_CODES ## http.STATUS_CODES
<!-- YAML
added: v0.1.22
-->
* {Object} * {Object}
@ -1098,6 +1326,10 @@ short description of each. For example, `http.STATUS_CODES[404] === 'Not
Found'`. Found'`.
## http.createClient([port][, host]) ## http.createClient([port][, host])
<!-- YAML
added: v0.1.13
deprecated: v0.3.6
-->
Stability: 0 - Deprecated: Use [`http.request()`][] instead. Stability: 0 - Deprecated: Use [`http.request()`][] instead.
@ -1105,6 +1337,9 @@ Constructs a new HTTP client. `port` and `host` refer to the server to be
connected to. connected to.
## http.createServer([requestListener]) ## http.createServer([requestListener])
<!-- YAML
added: v0.1.13
-->
Returns a new instance of [`http.Server`][]. Returns a new instance of [`http.Server`][].
@ -1112,6 +1347,9 @@ The `requestListener` is a function which is automatically
added to the `'request'` event. added to the `'request'` event.
## http.get(options[, callback]) ## http.get(options[, callback])
<!-- YAML
added: v0.3.6
-->
Since most requests are GET requests without bodies, Node.js provides this Since most requests are GET requests without bodies, Node.js provides this
convenience method. The only difference between this method and [`http.request()`][] convenience method. The only difference between this method and [`http.request()`][]
@ -1130,11 +1368,17 @@ http.get('http://www.google.com/index.html', (res) => {
``` ```
## http.globalAgent ## http.globalAgent
<!-- YAML
added: v0.5.9
-->
Global instance of Agent which is used as the default for all http client Global instance of Agent which is used as the default for all http client
requests. requests.
## http.request(options[, callback]) ## http.request(options[, callback])
<!-- YAML
added: v0.3.6
-->
Node.js maintains several connections per server to make HTTP requests. Node.js maintains several connections per server to make HTTP requests.
This function allows one to transparently issue requests. This function allows one to transparently issue requests.

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