HTTP_VERB enumeration (http.h)

  • Article

The HTTP_VERB enumeration type defines values that are used to specify known, standard HTTP verbs in the HTTP_REQUEST structure. The majority of these known verbs are documented in RFC 2616 and RFC 2518, as indicated below.

Syntax

typedef enum _HTTP_VERB {
  HttpVerbUnparsed,
  HttpVerbUnknown,
  HttpVerbInvalid,
  HttpVerbOPTIONS,
  HttpVerbGET,
  HttpVerbHEAD,
  HttpVerbPOST,
  HttpVerbPUT,
  HttpVerbDELETE,
  HttpVerbTRACE,
  HttpVerbCONNECT,
  HttpVerbTRACK,
  HttpVerbMOVE,
  HttpVerbCOPY,
  HttpVerbPROPFIND,
  HttpVerbPROPPATCH,
  HttpVerbMKCOL,
  HttpVerbLOCK,
  HttpVerbUNLOCK,
  HttpVerbSEARCH,
  HttpVerbMaximum
} HTTP_VERB, *PHTTP_VERB;

Constants

 
HttpVerbUnparsed
Not relevant for applications; used only in kernel mode.
HttpVerbUnknown
Indicates that the application can examine the UnknownVerbLength and pUnknownVerb members of the HTTP_REQUEST structure to retrieve the HTTP verb for the request. This is the case in an HTTP/1.1 request when a browser client specifies a custom verb.
HttpVerbInvalid
Not relevant for applications; used only in kernel mode.
HttpVerbOPTIONS
The OPTIONS method requests information about the communication options and requirements associated with a URI.


See page 52 of RFC 2616.
HttpVerbGET
The GET method retrieves the information or entity that is identified by the URI of the Request. If that URI refers to a script or other data-producing process, it is the data produced, not the text of the script, that is returned in the response.

A GET method can be made conditional or partial by including a conditional or Range header field in the request. A conditional GET requests that the entity be sent only if all conditions specified in the header are met, and a partial GET requests only part of the entity, as specified in the Range header. Both of these forms of GET can help avoid unnecessary network traffic.


See page 53 of RFC 2616.
HttpVerbHEAD
The HEAD method is identical to GET except that the server only returns message-headers in the response, without a message-body. The headers are the same as would be returned in response to a GET.


See page 54 of RFC 2616.
HttpVerbPOST
The POST method is used to post a new entity as an addition to a URI.
The URI identifies an entity that consumes the posted data in some fashion.


See page 54 of RFC 2616.
HttpVerbPUT
The PUT method is used to replace an entity identified by a URI.


See page 55 of RFC 2616.
HttpVerbDELETE
The
DELETE method requests that a specified URI be deleted.


See page 56 of RFC 2616.
HttpVerbTRACE
The TRACE method invokes a remote, application-layer loop-back of the request message.
It allows the client to see what is being received at the other
end of the request chain for diagnostic
purposes. See page 56 of RFC 2616.
HttpVerbCONNECT
The CONNECT
method can be used with a proxy that can dynamically switch to tunneling, as in the case of SSL tunneling. See page 57 of RFC 2616.
HttpVerbTRACK
The TRACK method is used by Microsoft Cluster Server to implement a non-logged trace.
HttpVerbMOVE
The MOVE method requests a WebDAV operation
equivalent to a copy (COPY), followed by consistency maintenance
processing, followed by a delete of the source, where all three
actions are performed atomically. When applied to a collection, "Depth" is assumed to be or must be specified as "infinity". See page 42 of RFC 2518.
HttpVerbCOPY
The COPY method requests a WebDAV operation that creates a duplicate of the source resource,
identified by the Request URI, in the destination resource,
identified by a URI specified in the Destination header. See page 37 of RFC 2518.
HttpVerbPROPFIND
The PROPFIND method requests a WebDAV operation that retrieves properties defined on the resource
identified by the Request-URI. See page 24 of RFC 2518.
HttpVerbPROPPATCH
The PROPPATCH method requests a WebDAV operation that sets and/or removes properties defined on the resource
identified by the Request-URI. See page 31 of RFC 2518.
HttpVerbMKCOL
The MKCOL method requests a WebDAV operation that creates a new collection
resource at the location specified by
the Request-URI. See page 33 of RFC 2518.
HttpVerbLOCK
The LOCK method requests a WebDAV operation that creates a lock as specified by the lockinfo
XML element on the Request-URI. See page 45 of RFC 2518.
HttpVerbUNLOCK
The UNLOCK method requests a WebDAV operation that removes a lock, identified by a lock token in
the Lock-Token request header, from the resource identified by the Request-URI, and from all other
resources included in the lock. See page 51 of RFC 2518.
HttpVerbSEARCH
The SEARCH method requests a WebDAV operation used by
Microsoft Exchange to search folders. See the Internet Engineering Task Force (IETF) Internet Draft WebDAV SEARCH for more information, and the WebDAV Web site for possible updates.
HttpVerbMaximum
Terminates the enumeration; is not used to define a verb.

Requirements

Requirement Value
Minimum supported client Windows Vista, Windows XP with SP2 [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header http.h

See also

HTTP_REQUEST