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HTTPRequest Class Reference

In-flight HTTP request. More...

#include <httpserver.h>

Public Types

enum  RequestMethod {
  UNKNOWN, GET, POST, HEAD,
  PUT
}
 

Public Member Functions

 HTTPRequest (struct evhttp_request *req)
 
 ~HTTPRequest ()
 
std::string GetURI () const
 Get requested URI. More...
 
CService GetPeer () const
 Get CService (address:ip) for the origin of the http request. More...
 
RequestMethod GetRequestMethod () const
 Get request method. More...
 
std::pair< bool, std::string > GetHeader (const std::string &hdr) const
 Get the request header specified by hdr, or an empty string. More...
 
std::string ReadBody ()
 Read request body. More...
 
void WriteHeader (const std::string &hdr, const std::string &value)
 Write output header. More...
 
void WriteReply (int nStatus, const std::string &strReply="")
 Write HTTP reply. More...
 

Private Attributes

struct evhttp_request * req
 
bool replySent
 

Detailed Description

In-flight HTTP request.

Thin C++ wrapper around evhttp_request.

Definition at line 57 of file httpserver.h.

Member Enumeration Documentation

◆ RequestMethod

Enumerator
UNKNOWN 
GET 
POST 
HEAD 
PUT 

Definition at line 67 of file httpserver.h.

Constructor & Destructor Documentation

◆ HTTPRequest()

HTTPRequest::HTTPRequest ( struct evhttp_request *  req)
explicit

Definition at line 518 of file httpserver.cpp.

◆ ~HTTPRequest()

HTTPRequest::~HTTPRequest ( )

Definition at line 522 of file httpserver.cpp.

Member Function Documentation

◆ GetHeader()

std::pair< bool, std::string > HTTPRequest::GetHeader ( const std::string &  hdr) const

Get the request header specified by hdr, or an empty string.

Return a pair (isPresent,string).

Definition at line 532 of file httpserver.cpp.

◆ GetPeer()

CService HTTPRequest::GetPeer ( ) const

Get CService (address:ip) for the origin of the http request.

Definition at line 602 of file httpserver.cpp.

Here is the call graph for this function:

◆ GetRequestMethod()

HTTPRequest::RequestMethod HTTPRequest::GetRequestMethod ( ) const

Get request method.

Definition at line 621 of file httpserver.cpp.

◆ GetURI()

std::string HTTPRequest::GetURI ( ) const

Get requested URI.

Definition at line 616 of file httpserver.cpp.

◆ ReadBody()

std::string HTTPRequest::ReadBody ( )

Read request body.

Note
As this consumes the underlying buffer, call this only once. Repeated calls will return an empty string.

Trivial implementation: if this is ever a performance bottleneck, internal copying can be avoided in multi-segment buffers by using evbuffer_peek and an awkward loop. Though in that case, it'd be even better to not copy into an intermediate string but use a stream abstraction to consume the evbuffer on the fly in the parsing algorithm.

Definition at line 543 of file httpserver.cpp.

◆ WriteHeader()

void HTTPRequest::WriteHeader ( const std::string &  hdr,
const std::string &  value 
)

Write output header.

Note
call this before calling WriteErrorReply or Reply.

Definition at line 563 of file httpserver.cpp.

◆ WriteReply()

void HTTPRequest::WriteReply ( int  nStatus,
const std::string &  strReply = "" 
)

Write HTTP reply.

Closure sent to main thread to request a reply to be sent to a HTTP request.

nStatus is the HTTP status code to send. strReply is the body of the reply. Keep it empty to send a standard message.

Note
Can be called only once. As this will give the request back to the main thread, do not call any other HTTPRequest methods after calling this.

Replies must be sent in the main loop in the main http thread, this cannot be done from worker threads.

Definition at line 575 of file httpserver.cpp.

Member Data Documentation

◆ replySent

bool HTTPRequest::replySent
private

Definition at line 61 of file httpserver.h.

◆ req

struct evhttp_request* HTTPRequest::req
private

Definition at line 60 of file httpserver.h.


The documentation for this class was generated from the following files: