mirror of https://github.com/aria2/aria2
226 lines
7.5 KiB
C++
226 lines
7.5 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 "DownloadEngineFactory.h"
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#include <algorithm>
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#include "Option.h"
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#include "RequestGroup.h"
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#include "DownloadEngine.h"
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#include "RequestGroupMan.h"
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#include "FileAllocationMan.h"
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#include "CheckIntegrityMan.h"
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#include "CheckIntegrityEntry.h"
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#include "CheckIntegrityDispatcherCommand.h"
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#include "prefs.h"
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#include "FillRequestGroupCommand.h"
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#include "FileAllocationDispatcherCommand.h"
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#include "AutoSaveCommand.h"
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#include "SaveSessionCommand.h"
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#include "HaveEraseCommand.h"
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#include "TimedHaltCommand.h"
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#include "WatchProcessCommand.h"
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#include "DownloadResult.h"
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#include "ServerStatMan.h"
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#include "a2io.h"
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#include "DownloadContext.h"
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#include "array_fun.h"
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#include "EvictSocketPoolCommand.h"
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#ifdef HAVE_LIBUV
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# include "LibuvEventPoll.h"
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#endif // HAVE_LIBUV
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#ifdef HAVE_EPOLL
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# include "EpollEventPoll.h"
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#endif // HAVE_EPOLL
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#ifdef HAVE_PORT_ASSOCIATE
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# include "PortEventPoll.h"
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#endif // HAVE_PORT_ASSOCIATE
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#ifdef HAVE_KQUEUE
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# include "KqueueEventPoll.h"
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#endif // HAVE_KQUEUE
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#ifdef HAVE_POLL
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# include "PollEventPoll.h"
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#endif // HAVE_POLL
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#include "SelectEventPoll.h"
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#include "DlAbortEx.h"
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#include "FileAllocationEntry.h"
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#include "HttpListenCommand.h"
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#include "LogFactory.h"
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namespace aria2 {
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DownloadEngineFactory::DownloadEngineFactory() = default;
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namespace {
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std::unique_ptr<EventPoll> createEventPoll(Option* op)
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{
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const std::string& pollMethod = op->get(PREF_EVENT_POLL);
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#ifdef HAVE_LIBUV
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if (pollMethod == V_LIBUV) {
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auto ep = make_unique<LibuvEventPoll>();
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if (!ep->good()) {
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throw DL_ABORT_EX("Initializing LibuvEventPoll failed."
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" Try --event-poll=select");
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}
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return std::move(ep);
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}
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else
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#endif // HAVE_LIBUV
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#ifdef HAVE_EPOLL
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if (pollMethod == V_EPOLL) {
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auto ep = make_unique<EpollEventPoll>();
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if (!ep->good()) {
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throw DL_ABORT_EX("Initializing EpollEventPoll failed."
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" Try --event-poll=select");
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}
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return std::move(ep);
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}
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else
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#endif // HAVE_EPLL
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#ifdef HAVE_KQUEUE
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if (pollMethod == V_KQUEUE) {
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auto kp = make_unique<KqueueEventPoll>();
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if (!kp->good()) {
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throw DL_ABORT_EX("Initializing KqueueEventPoll failed."
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" Try --event-poll=select");
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}
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return std::move(kp);
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}
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else
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#endif // HAVE_KQUEUE
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#ifdef HAVE_PORT_ASSOCIATE
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if (pollMethod == V_PORT) {
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auto pp = make_unique<PortEventPoll>();
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if (!pp->good()) {
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throw DL_ABORT_EX("Initializing PortEventPoll failed."
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" Try --event-poll=select");
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}
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return std::move(pp);
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}
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else
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#endif // HAVE_PORT_ASSOCIATE
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#ifdef HAVE_POLL
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if (pollMethod == V_POLL) {
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return make_unique<PollEventPoll>();
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}
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else
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#endif // HAVE_POLL
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if (pollMethod == V_SELECT) {
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return make_unique<SelectEventPoll>();
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}
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assert(0);
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return nullptr;
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}
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} // namespace
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std::unique_ptr<DownloadEngine> DownloadEngineFactory::newDownloadEngine(
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Option* op, std::vector<std::shared_ptr<RequestGroup>> requestGroups)
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{
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const size_t MAX_CONCURRENT_DOWNLOADS =
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op->getAsInt(PREF_MAX_CONCURRENT_DOWNLOADS);
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auto e = make_unique<DownloadEngine>(createEventPoll(op));
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e->setOption(op);
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{
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auto requestGroupMan = make_unique<RequestGroupMan>(
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std::move(requestGroups), MAX_CONCURRENT_DOWNLOADS, op);
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requestGroupMan->initWrDiskCache();
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e->setRequestGroupMan(std::move(requestGroupMan));
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}
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e->setFileAllocationMan(make_unique<FileAllocationMan>());
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e->setCheckIntegrityMan(make_unique<CheckIntegrityMan>());
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e->addRoutineCommand(
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make_unique<FillRequestGroupCommand>(e->newCUID(), e.get()));
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e->addRoutineCommand(make_unique<FileAllocationDispatcherCommand>(
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e->newCUID(), e->getFileAllocationMan().get(), e.get()));
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e->addRoutineCommand(make_unique<CheckIntegrityDispatcherCommand>(
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e->newCUID(), e->getCheckIntegrityMan().get(), e.get()));
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e->addRoutineCommand(
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make_unique<EvictSocketPoolCommand>(e->newCUID(), e.get(), 30_s));
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if (op->getAsInt(PREF_AUTO_SAVE_INTERVAL) > 0) {
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e->addRoutineCommand(make_unique<AutoSaveCommand>(
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e->newCUID(), e.get(),
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std::chrono::seconds(op->getAsInt(PREF_AUTO_SAVE_INTERVAL))));
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}
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if (op->getAsInt(PREF_SAVE_SESSION_INTERVAL) > 0) {
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e->addRoutineCommand(make_unique<SaveSessionCommand>(
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e->newCUID(), e.get(),
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std::chrono::seconds(op->getAsInt(PREF_SAVE_SESSION_INTERVAL))));
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}
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e->addRoutineCommand(
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make_unique<HaveEraseCommand>(e->newCUID(), e.get(), 10_s));
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{
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auto stopSec = op->getAsInt(PREF_STOP);
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if (stopSec > 0) {
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e->addRoutineCommand(make_unique<TimedHaltCommand>(
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e->newCUID(), e.get(), std::chrono::seconds(stopSec)));
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}
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}
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if (op->defined(PREF_STOP_WITH_PROCESS)) {
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unsigned int pid = op->getAsInt(PREF_STOP_WITH_PROCESS);
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e->addRoutineCommand(
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make_unique<WatchProcessCommand>(e->newCUID(), e.get(), pid));
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}
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if (op->getAsBool(PREF_ENABLE_RPC)) {
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if (op->get(PREF_RPC_SECRET).empty() && op->get(PREF_RPC_USER).empty()) {
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A2_LOG_WARN("Neither --rpc-secret nor a combination of --rpc-user and "
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"--rpc-passwd is set. This is insecure. It is extremely "
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"recommended to specify --rpc-secret with the adequate "
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"secrecy or now deprecated --rpc-user and --rpc-passwd.");
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}
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bool ok = false;
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bool secure = op->getAsBool(PREF_RPC_SECURE);
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if (secure) {
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A2_LOG_NOTICE("RPC transport will be encrypted.");
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}
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static int families[] = {AF_INET, AF_INET6};
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size_t familiesLength = op->getAsBool(PREF_DISABLE_IPV6) ? 1 : 2;
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for (size_t i = 0; i < familiesLength; ++i) {
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auto httpListenCommand = make_unique<HttpListenCommand>(
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e->newCUID(), e.get(), families[i], secure);
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if (httpListenCommand->bindPort(op->getAsInt(PREF_RPC_LISTEN_PORT))) {
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e->addCommand(std::move(httpListenCommand));
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ok = true;
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}
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}
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if (!ok) {
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throw DL_ABORT_EX("Failed to setup RPC server.");
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}
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}
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return e;
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}
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} // namespace aria2
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