aria2/src/HttpRequestCommand.cc

129 lines
4.3 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* 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.
*/
/* copyright --> */
#include "HttpRequestCommand.h"
#include "Request.h"
#include "DownloadEngine.h"
#include "RequestGroup.h"
#include "HttpResponseCommand.h"
#include "HttpConnection.h"
#include "HttpRequest.h"
#include "SegmentMan.h"
#include "Segment.h"
#include "Option.h"
#include "Socket.h"
#include "prefs.h"
#include "a2functional.h"
#include "Util.h"
#include <numeric>
namespace aria2 {
HttpRequestCommand::HttpRequestCommand
(int cuid,
const RequestHandle& req,
RequestGroup* requestGroup,
const HttpConnectionHandle& httpConnection,
DownloadEngine* e,
const SocketHandle& s)
:AbstractCommand(cuid, req, requestGroup, e, s),
_httpConnection(httpConnection)
{
disableReadCheckSocket();
setWriteCheckSocket(socket);
}
HttpRequestCommand::~HttpRequestCommand() {}
static SharedHandle<HttpRequest>
createHttpRequest(const SharedHandle<Request>& req,
const SharedHandle<Segment>& segment,
uint64_t totalLength,
const Option* option,
const RequestGroup* rg)
{
HttpRequestHandle httpRequest(new HttpRequest());
httpRequest->setUserAgent(option->get(PREF_USER_AGENT));
httpRequest->setRequest(req);
httpRequest->setSegment(segment);
httpRequest->setEntityLength(totalLength);
httpRequest->addHeader(option->get(PREF_HEADER));
if(rg->getAcceptFeatures().size()) {
const std::deque<std::string>& acceptFeatures = rg->getAcceptFeatures();
std::string acceptFeaturesHeader = "Accept-Features: "+
Util::trim
(std::accumulate(acceptFeatures.begin()+1, acceptFeatures.end(),
*acceptFeatures.begin(),
Concat(",")),
",");
httpRequest->addHeader(acceptFeaturesHeader);
}
httpRequest->addAcceptType(rg->getAcceptTypes().begin(),
rg->getAcceptTypes().end());
httpRequest->configure(option);
return httpRequest;
}
bool HttpRequestCommand::executeInternal() {
socket->setBlockingMode();
if(req->getProtocol() == "https") {
socket->initiateSecureConnection();
}
if(_segments.empty()) {
HttpRequestHandle httpRequest
(createHttpRequest(req, SharedHandle<Segment>(),
_requestGroup->getTotalLength(), e->option,
_requestGroup));
_httpConnection->sendRequest(httpRequest);
} else {
for(Segments::iterator itr = _segments.begin(); itr != _segments.end(); ++itr) {
const SegmentHandle& segment = *itr;
if(!_httpConnection->isIssued(segment)) {
HttpRequestHandle httpRequest
(createHttpRequest(req, segment,
_requestGroup->getTotalLength(), e->option,
_requestGroup));
_httpConnection->sendRequest(httpRequest);
}
}
}
Command* command = new HttpResponseCommand(cuid, req, _requestGroup, _httpConnection, e, socket);
e->commands.push_back(command);
return true;
}
} // namespace aria2