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rtorrent/src/command_throttle.cc
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// rTorrent - BitTorrent client
// Copyright (C) 2005-2011, Jari Sundell
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.
//
// Contact: Jari Sundell <jaris@ifi.uio.no>
//
// Skomakerveien 33
// 3185 Skoppum, NORWAY
#include "config.h"
#include <cstdio>
#include <rak/address_info.h>
#include <torrent/throttle.h>
#include <torrent/rate.h>
#include <torrent/download/resource_manager.h>
#include "core/manager.h"
#include "ui/root.h"
#include "rpc/parse.h"
#include "rpc/parse_commands.h"
#include "globals.h"
#include "control.h"
#include "command_helpers.h"
std::pair<uint32_t, uint32_t>
parse_address_range(const torrent::Object::list_type& args, torrent::Object::list_type::const_iterator itr) {
unsigned int prefixWidth, ret;
char dummy;
char host[1024];
rak::address_info* ai;
ret = std::sscanf(itr->as_string().c_str(), "%1023[^/]/%d%c", host, &prefixWidth, &dummy);
if (ret < 1 || rak::address_info::get_address_info(host, PF_INET, SOCK_STREAM, &ai) != 0)
throw torrent::input_error("Could not resolve host.");
uint32_t begin, end;
rak::socket_address sa;
sa.copy(*ai->address(), ai->length());
begin = end = sa.sa_inet()->address_h();
rak::address_info::free_address_info(ai);
if (ret == 2) {
if (++itr != args.end())
throw torrent::input_error("Cannot specify both network and range end.");
uint32_t netmask = std::numeric_limits<uint32_t>::max() << (32 - prefixWidth);
if (prefixWidth >= 32 || sa.sa_inet()->address_h() & ~netmask)
throw torrent::input_error("Invalid address/prefix.");
end = sa.sa_inet()->address_h() | ~netmask;
} else if (++itr != args.end()) {
if (rak::address_info::get_address_info(itr->as_string().c_str(), PF_INET, SOCK_STREAM, &ai) != 0)
throw torrent::input_error("Could not resolve host.");
sa.copy(*ai->address(), ai->length());
rak::address_info::free_address_info(ai);
end = sa.sa_inet()->address_h();
}
// convert to [begin, end) making sure the end doesn't overflow
// (this precludes 255.255.255.255 from ever matching, but that's not a real IP anyway)
return std::make_pair((uint32_t)begin, (uint32_t)std::max(end, end + 1));
}
torrent::Object
apply_throttle(const torrent::Object::list_type& args, bool up) {
torrent::Object::list_const_iterator argItr = args.begin();
const std::string& name = argItr->as_string();
if (name.empty() || name == "NULL")
throw torrent::input_error("Invalid throttle name.");
if ((++argItr)->as_string().empty())
return torrent::Object();
int64_t rate;
rpc::parse_whole_value_nothrow(argItr->as_string().c_str(), &rate);
if (rate < 0)
throw torrent::input_error("Throttle rate must be non-negative.");
core::ThrottleMap::iterator itr = control->core()->throttles().find(name);
if (itr == control->core()->throttles().end())
itr = control->core()->throttles().insert(std::make_pair(name, torrent::ThrottlePair(NULL, NULL))).first;
torrent::Throttle*& throttle = up ? itr->second.first : itr->second.second;
if (rate != 0 && throttle == NULL)
throttle = (up ? torrent::up_throttle_global() : torrent::down_throttle_global())->create_slave();
if (throttle != NULL)
throttle->set_max_rate(rate * 1024);
return torrent::Object();
}
static const int throttle_info_up = (1 << 0);
static const int throttle_info_down = (1 << 1);
static const int throttle_info_max = (1 << 2);
static const int throttle_info_rate = (1 << 3);
torrent::Object
retrieve_throttle_info(const torrent::Object::string_type& name, int flags) {
core::ThrottleMap::iterator itr = control->core()->throttles().find(name);
torrent::ThrottlePair throttles = itr == control->core()->throttles().end() ? torrent::ThrottlePair(NULL, NULL) : itr->second;
torrent::Throttle* throttle = flags & throttle_info_down ? throttles.second : throttles.first;
torrent::Throttle* global = flags & throttle_info_down ? torrent::down_throttle_global() : torrent::up_throttle_global();
if (throttle == NULL && name.empty())
throttle = global;
if (throttle == NULL)
return flags & throttle_info_rate ? (int64_t)0 : (int64_t)-1;
else if (!throttle->is_throttled() || !global->is_throttled())
return (int64_t)0;
else if (flags & throttle_info_rate)
return (int64_t)throttle->rate()->rate();
else
return (int64_t)throttle->max_rate();
}
torrent::Object
apply_address_throttle(const torrent::Object::list_type& args) {
if (args.size() < 2 || args.size() > 3)
throw torrent::input_error("Incorrect number of arguments.");
std::pair<uint32_t, uint32_t> range = parse_address_range(args, ++args.begin());
core::ThrottleMap::iterator throttleItr = control->core()->throttles().find(args.begin()->as_string().c_str());
if (throttleItr == control->core()->throttles().end())
throw torrent::input_error("Throttle not found.");
control->core()->set_address_throttle(range.first, range.second, throttleItr->second);
return torrent::Object();
}
torrent::Object
throttle_update(const char* variable, int64_t value) {
rpc::commands.call_command(variable, value);
control->ui()->adjust_up_throttle(0);
control->ui()->adjust_down_throttle(0);
return torrent::Object();
}
void
initialize_command_throttle() {
CMD2_ANY ("throttle.unchoked_uploads", tr1::bind(&torrent::ResourceManager::currently_upload_unchoked, torrent::resource_manager()));
CMD2_ANY ("throttle.unchoked_downloads", tr1::bind(&torrent::ResourceManager::currently_download_unchoked, torrent::resource_manager()));
CMD2_VAR_VALUE ("throttle.min_peers.normal", 100);
CMD2_VAR_VALUE ("throttle.max_peers.normal", 200);
CMD2_VAR_VALUE ("throttle.min_peers.seed", -1);
CMD2_VAR_VALUE ("throttle.max_peers.seed", -1);
CMD2_VAR_VALUE ("throttle.min_uploads", 0);
CMD2_VAR_VALUE ("throttle.max_uploads", 50);
CMD2_VAR_VALUE ("throttle.min_downloads", 0);
CMD2_VAR_VALUE ("throttle.max_downloads", 50);
CMD2_VAR_VALUE ("throttle.max_uploads.div._val", 1);
CMD2_VAR_VALUE ("throttle.max_uploads.global._val", 0);
CMD2_VAR_VALUE ("throttle.max_downloads.div._val", 1);
CMD2_VAR_VALUE ("throttle.max_downloads.global._val", 0);
CMD2_REDIRECT_GENERIC("throttle.max_uploads.div", "throttle.max_uploads.div._val");
CMD2_REDIRECT_GENERIC("throttle.max_uploads.global", "throttle.max_uploads.global._val");
CMD2_REDIRECT_GENERIC("throttle.max_downloads.div", "throttle.max_downloads.div._val");
CMD2_REDIRECT_GENERIC("throttle.max_downloads.global", "throttle.max_downloads.global._val");
CMD2_ANY_VALUE ("throttle.max_uploads.div.set", tr1::bind(&throttle_update, "throttle.max_uploads.div._val.set", tr1::placeholders::_2));
CMD2_ANY_VALUE ("throttle.max_uploads.global.set", tr1::bind(&throttle_update, "throttle.max_uploads.global._val.set", tr1::placeholders::_2));
CMD2_ANY_VALUE ("throttle.max_downloads.div.set", tr1::bind(&throttle_update, "throttle.max_downloads.div._val.set", tr1::placeholders::_2));
CMD2_ANY_VALUE ("throttle.max_downloads.global.set", tr1::bind(&throttle_update, "throttle.max_downloads.global._val.set", tr1::placeholders::_2));
// TODO: Move the logic into some libtorrent function.
CMD2_ANY ("throttle.global_up.rate", tr1::bind(&torrent::Rate::rate, torrent::up_rate()));
CMD2_ANY ("throttle.global_up.total", tr1::bind(&torrent::Rate::total, torrent::up_rate()));
CMD2_ANY ("throttle.global_up.max_rate", tr1::bind(&torrent::Throttle::max_rate, torrent::up_throttle_global()));
CMD2_ANY_VALUE_V ("throttle.global_up.max_rate.set", tr1::bind(&ui::Root::set_up_throttle_i64, control->ui(), tr1::placeholders::_2));
CMD2_ANY_VALUE_KB("throttle.global_up.max_rate.set_kb", tr1::bind(&ui::Root::set_up_throttle_i64, control->ui(), tr1::placeholders::_2));
CMD2_ANY ("throttle.global_down.rate", tr1::bind(&torrent::Rate::rate, torrent::down_rate()));
CMD2_ANY ("throttle.global_down.total", tr1::bind(&torrent::Rate::total, torrent::down_rate()));
CMD2_ANY ("throttle.global_down.max_rate", tr1::bind(&torrent::Throttle::max_rate, torrent::down_throttle_global()));
CMD2_ANY_VALUE_V ("throttle.global_down.max_rate.set", tr1::bind(&ui::Root::set_down_throttle_i64, control->ui(), tr1::placeholders::_2));
CMD2_ANY_VALUE_KB("throttle.global_down.max_rate.set_kb", tr1::bind(&ui::Root::set_down_throttle_i64, control->ui(), tr1::placeholders::_2));
// Temporary names, need to change this to accept real rates rather
// than kB.
CMD2_ANY_LIST ("throttle.up", tr1::bind(&apply_throttle, tr1::placeholders::_2, true));
CMD2_ANY_LIST ("throttle.down", tr1::bind(&apply_throttle, tr1::placeholders::_2, false));
CMD2_ANY_LIST ("throttle.ip", tr1::bind(&apply_address_throttle, tr1::placeholders::_2));
CMD2_ANY_STRING ("throttle.up.max", tr1::bind(&retrieve_throttle_info, tr1::placeholders::_2, throttle_info_up | throttle_info_max));
CMD2_ANY_STRING ("throttle.up.rate", tr1::bind(&retrieve_throttle_info, tr1::placeholders::_2, throttle_info_up | throttle_info_rate));
CMD2_ANY_STRING ("throttle.down.max", tr1::bind(&retrieve_throttle_info, tr1::placeholders::_2, throttle_info_down | throttle_info_max));
CMD2_ANY_STRING ("throttle.down.rate", tr1::bind(&retrieve_throttle_info, tr1::placeholders::_2, throttle_info_down | throttle_info_rate));
}
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