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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#pragma once
#include <list>
#include <string>
#include <stdint.h>
#include "../Enumerations.h"
#include "IHttpOutputStream.h"
#include "HttpHandler.h"
namespace Orthanc
{
class HttpOutput : public boost::noncopyable
{
private:
typedef std::list< std::pair<std::string, std::string> > Header;
class StateMachine : public boost::noncopyable
{
private:
enum State
{
State_WritingHeader,
State_WritingBody,
State_Done
};
IHttpOutputStream& stream_;
State state_;
HttpStatus status_;
bool hasContentLength_;
uint64_t contentLength_;
uint64_t contentPosition_;
bool keepAlive_;
std::list<std::string> headers_;
public:
StateMachine(IHttpOutputStream& stream,
bool isKeepAlive);
~StateMachine();
void SetHttpStatus(HttpStatus status);
void SetContentLength(uint64_t length);
void SetContentType(const char* contentType);
void SetContentFilename(const char* filename);
void SetCookie(const std::string& cookie,
const std::string& value);
void AddHeader(const std::string& header,
const std::string& value);
void ClearHeaders();
void SendBody(const void* buffer, size_t length);
};
StateMachine stateMachine_;
public:
HttpOutput(IHttpOutputStream& stream,
bool isKeepAlive) :
stateMachine_(stream, isKeepAlive)
{
}
void SendStatus(HttpStatus status);
void SetContentType(const char* contentType)
{
stateMachine_.SetContentType(contentType);
}
void SetContentFilename(const char* filename)
{
stateMachine_.SetContentFilename(filename);
}
void SetContentLength(uint64_t length)
{
stateMachine_.SetContentLength(length);
}
void SetCookie(const std::string& cookie,
const std::string& value)
{
stateMachine_.SetCookie(cookie, value);
}
void AddHeader(const std::string& key,
const std::string& value)
{
stateMachine_.AddHeader(key, value);
}
void SendBody(const void* buffer, size_t length);
void SendBody(const std::string& str);
void SendBody();
void SendMethodNotAllowed(const std::string& allowed);
void Redirect(const std::string& path);
void SendUnauthorized(const std::string& realm);
};
}
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