github
/
aria2
mirror of https://github.com/aria2/aria2
1
0
Fork 0
Code Issues Releases Wiki Activity
aria2/src/DownloadEngineFactory.cc

246 lines
8.1 KiB
C++
Raw Blame History

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