mirror of https://github.com/aria2/aria2
135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "FtpInitiateConnectionCommand.h"
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#include "NameResolver.h"
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#include "DownloadEngine.h"
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#include "RequestGroup.h"
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#include "Option.h"
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#include "Request.h"
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#include "FtpNegotiationCommand.h"
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#include "HttpRequest.h"
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#include "Segment.h"
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#include "HttpRequestCommand.h"
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#include "FtpTunnelRequestCommand.h"
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#include "DlAbortEx.h"
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#include "Logger.h"
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#include "message.h"
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#include "prefs.h"
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#include "Util.h"
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#include "HttpConnection.h"
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#include "Socket.h"
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namespace aria2 {
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FtpInitiateConnectionCommand::FtpInitiateConnectionCommand(int cuid,
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const RequestHandle& req,
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RequestGroup* requestGroup,
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DownloadEngine* e)
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:AbstractCommand(cuid, req, requestGroup, e)
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{
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setTimeout(e->option->getAsInt(PREF_DNS_TIMEOUT));
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setStatusActive();
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disableReadCheckSocket();
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disableWriteCheckSocket();
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}
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FtpInitiateConnectionCommand::~FtpInitiateConnectionCommand() {
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#ifdef ENABLE_ASYNC_DNS
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disableNameResolverCheck(nameResolver);
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#endif // ENABLE_ASYNC_DNS
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}
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bool FtpInitiateConnectionCommand::executeInternal() {
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std::string hostname;
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if(useHttpProxy()) {
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hostname = e->option->get(PREF_HTTP_PROXY_HOST);
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} else {
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hostname = req->getHost();
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}
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if(!Util::isNumbersAndDotsNotation(hostname)) {
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if(resolveHostname(hostname, nameResolver)) {
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hostname = nameResolver->getAddrString();
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} else {
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e->commands.push_back(this);
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return false;
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}
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}
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Command* command;
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if(useHttpProxy()) {
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logger->info(MSG_CONNECTING_TO_SERVER, cuid,
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e->option->get(PREF_HTTP_PROXY_HOST).c_str(),
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e->option->getAsInt(PREF_HTTP_PROXY_PORT));
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socket->establishConnection(hostname,
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e->option->getAsInt(PREF_HTTP_PROXY_PORT));
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if(useHttpProxyGet()) {
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command = new HttpRequestCommand(cuid, req, _requestGroup, new HttpConnection(cuid, socket, e->option), e, socket);
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} else if(useHttpProxyConnect()) {
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command = new FtpTunnelRequestCommand(cuid, req, _requestGroup, e, socket);
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} else {
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// TODO
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throw new DlAbortEx("ERROR");
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}
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} else {
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logger->info(MSG_CONNECTING_TO_SERVER, cuid, req->getHost().c_str(),
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req->getPort());
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socket->establishConnection(hostname, req->getPort());
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command = new FtpNegotiationCommand(cuid, req, _requestGroup, e, socket);
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}
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e->commands.push_back(command);
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return true;
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}
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bool FtpInitiateConnectionCommand::useHttpProxy() const {
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return e->option->get(PREF_HTTP_PROXY_ENABLED) == V_TRUE;
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}
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bool FtpInitiateConnectionCommand::useHttpProxyGet() const {
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return useHttpProxy() && e->option->get(PREF_FTP_VIA_HTTP_PROXY) == V_GET;
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}
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bool FtpInitiateConnectionCommand::useHttpProxyConnect() const {
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return useHttpProxy() && e->option->get(PREF_FTP_VIA_HTTP_PROXY) == V_TUNNEL;
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}
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#ifdef ENABLE_ASYNC_DNS
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bool FtpInitiateConnectionCommand::nameResolveFinished() const {
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return nameResolver->getStatus() == NameResolver::STATUS_SUCCESS ||
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nameResolver->getStatus() == NameResolver::STATUS_ERROR;
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}
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#endif // ENABLE_ASYNC_DNS
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} // namespace aria2
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