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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2009 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 "HttpServer.h"
#include "HttpHeader.h"
#include "SocketCore.h"
#include "HttpHeaderProcessor.h"
#include "DlAbortEx.h"
#include "message.h"
#include "Util.h"
#include "LogFactory.h"
#include "Logger.h"
namespace aria2 {
HttpServer::HttpServer(const SharedHandle<SocketCore>& socket,
DownloadEngine* e):
_socket(socket),
_socketBuffer(socket),
_e(e),
_headerProcessor(new HttpHeaderProcessor()),
_logger(LogFactory::getInstance())
{}
HttpServer::~HttpServer() {}
SharedHandle<HttpHeader> HttpServer::receiveRequest()
{
size_t size = 512;
unsigned char buf[size];
_socket->peekData(buf, size);
if(size == 0 && !(_socket->wantRead() || _socket->wantWrite())) {
throw DlAbortEx(EX_EOF_FROM_PEER);
}
_headerProcessor->update(buf, size);
if(!_headerProcessor->eoh()) {
_socket->readData(buf, size);
return SharedHandle<HttpHeader>();
}
size_t putbackDataLength = _headerProcessor->getPutBackDataLength();
size -= putbackDataLength;
_socket->readData(buf, size);
SharedHandle<HttpHeader> header = _headerProcessor->getHttpRequestHeader();
if(!header.isNull()) {
_logger->info("HTTP Server received request\n%s",
_headerProcessor->getHeaderString().c_str());
_lastRequestHeader = header;
_headerProcessor->clear();
}
return header;
}
bool HttpServer::supportsPersistentConnection() const
{
std::string connection =
Util::toLower(_lastRequestHeader->getFirst(HttpHeader::CONNECTION));
return connection.find(HttpHeader::CLOSE) == std::string::npos &&
(_lastRequestHeader->getVersion() == HttpHeader::HTTP_1_1 ||
connection.find("keep-alive") != std::string::npos);
}
void HttpServer::feedResponse(const std::string& text)
{
std::string header = "HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n"
"Content-Length: "+Util::uitos(text.size())+"\r\n";
if(!supportsPersistentConnection()) {
header += "Connection: close\r\n";
}
header += "\r\n";
_logger->debug("HTTP Server sends response:\n%s", header.c_str());
_socketBuffer.feedSendBuffer(header);
_socketBuffer.feedSendBuffer(text);
}
ssize_t HttpServer::sendResponse()
{
return _socketBuffer.send();
}
bool HttpServer::sendBufferIsEmpty() const
{
return _socketBuffer.sendBufferIsEmpty();
}
} // namespace aria2
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