ipv6_peer::ipv6_peer(
tcp::endpoint const& ep, bool c, int src
)
: torrent_peer(ep.port(), c, src)
, addr(ep.address().to_v6().to_bytes())
{
is_v6_addr = true;
#if TORRENT_USE_I2P
is_i2p_addr = false;
#endif
}
void set_peer(tcp::endpoint const& ep)
{
#if TORRENT_USE_IPV6
is_v6_addr = ep.address().is_v6();
if (is_v6_addr)
addr.v6 = ep.address().to_v6().to_bytes();
else
#endif
addr.v4 = ep.address().to_v4().to_bytes();
port = ep.port();
}
void seedArm_service_impl::acceptWait(const std::string& addr, const std::string& port
, size_t workerThreadsCount
, const size_t keepAliveMilliseconds_GlobalValue)
{
if (0 == workerThreadsCount){
workerThreadsCount = boost::thread::hardware_concurrency();
}
////////////////////////////////////////////////
// set common keepAliveTime
connection_impl::KEEP_ALIVE_TIME_MS = keepAliveMilliseconds_GlobalValue;
using TCP = boost::asio::ip::tcp;
////////////////////////////////////////////////
// ready accpetor
TCP::resolver resolver(_ios);
TCP::resolver::query quary(addr, port);
TCP::endpoint endpoint = *resolver.resolve(quary);
_acceptor.open(endpoint.protocol());
_acceptor.set_option(TCP::no_delay(true));
_acceptor.set_option(TCP::acceptor::reuse_address(true));
_acceptor.bind(endpoint);
_acceptor.listen();
_acceptConn = connection::ptr(new connection_impl(this, _ios), connection_impl::destruct);
_acceptor.async_accept(_acceptConn->socket(), _strand.wrap(
boost::bind(&seedArm_service_impl::accept, this, boost::asio::placeholders::error)));
////////////////////////////////////////////////
// ready worker
for (size_t i = 0; i < workerThreadsCount; ++i)
{
boost::shared_ptr<boost::thread> thread(new boost::thread(
boost::bind(&boost::asio::io_service::run, &_ios)));
s_threads.push_back(thread);
}
////////////////////////////////////////////////
// ready expireTimer
_prevTime = boost::chrono::system_clock::now();
_updater.expires_from_now(boost::posix_time::milliseconds(UPDATE_TIME_MS));
_updater.async_wait(_strand.wrap(
boost::bind(&seedArm_service_impl::update, this, boost::asio::placeholders::error)));
}
ipv4_peer::ipv4_peer(
tcp::endpoint const& ep, bool c, int src
)
: torrent_peer(ep.port(), c, src)
, addr(ep.address().to_v4())
{
#if TORRENT_USE_IPV6
is_v6_addr = false;
#endif
#if TORRENT_USE_I2P
is_i2p_addr = false;
#endif
}
listener(
boost::asio::io_context& ioc,
tcp::endpoint endpoint)
: acceptor_(ioc)
, socket_(ioc)
{
boost::system::error_code ec;
// Open the acceptor
acceptor_.open(endpoint.protocol(), ec);
if(ec)
{
fail(ec, "open");
return;
}
// Bind to the server address
acceptor_.bind(endpoint, ec);
if(ec)
{
fail(ec, "bind");
return;
}
// Start listening for connections
acceptor_.listen(
boost::asio::socket_base::max_listen_connections, ec);
if(ec)
{
fail(ec, "listen");
return;
}
}
bool TajoSyncClient::connect(const tcp::endpoint &endpoint,
std::string &errmsg)
{
boost::system::error_code ec;
pImpl_->socket_.open(endpoint.protocol(), ec);
if( !ec )
{
pImpl_->socket_.set_option(tcp::no_delay(true), ec);
if( !ec )
{
pImpl_->socket_.connect(endpoint, ec);
}
}
if( !ec )
{
pImpl_->state_ = TajoClientState::CONNECTED;
return true;
}
else
{
errmsg = ec.message();
return false;
}
}
void Server::Start(tcp::endpoint endpoint)
{
_acceptor.open(endpoint.protocol());
_acceptor.set_option(tcp::acceptor::reuse_address(true));
_acceptor.bind(endpoint);
_acceptor.listen();
_StartAccept();
sLog.Info(LOG_STRATUM, "Stratum server started");
}
bool was_introduced_by(peer_plugin const* pp, tcp::endpoint const& ep)
{
ut_pex_peer_plugin const* p = static_cast<ut_pex_peer_plugin const*>(pp);
#if TORRENT_USE_IPV6
if (ep.address().is_v4())
{
#endif
ut_pex_peer_plugin::peers4_t::value_type v(ep.address().to_v4().to_bytes(), ep.port());
ut_pex_peer_plugin::peers4_t::const_iterator i
= std::lower_bound(p->m_peers.begin(), p->m_peers.end(), v);
return i != p->m_peers.end() && *i == v;
#if TORRENT_USE_IPV6
}
else
{
ut_pex_peer_plugin::peers6_t::value_type v(ep.address().to_v6().to_bytes(), ep.port());
ut_pex_peer_plugin::peers6_t::const_iterator i
= std::lower_bound(p->m_peers6.begin(), p->m_peers6.end(), v);
return i != p->m_peers6.end() && *i == v;
}
#endif
}
void run(unsigned sleepMillis)
{
std::cout << "in GUIMessageSenderThread: run "
<< sleepMillis << "ms"
<< std::endl;
while (running_) {
if (!connected_) {
std::cout << "In GUIMessageSenderThread trying to connect to: " << host_ << " " << port_ << std::endl;
//tcp::endpoint endpoint_(boost::asio::ip::address::from_string(host_), port_);
//tcp::endpoint endpoint_(boost::asio::ip::address::from_string(host_), port_);
endpoint_.address(boost::asio::ip::address::from_string(host_));
endpoint_.port(port_);
tcp::acceptor acceptor(*io_service_, endpoint_);
getClientConnection(acceptor);
try {
sendMessages(sleepMillis);
acceptor.close();
stream_.clear();
stream_.close();
}
catch (std::exception& e)
{
std::cerr << "GUIMessageSenderThread Error in connection: " << e.what() << std::endl;
}
connected_ = false;
//boost::asio::deadline_timer timer(*io_service_,boost::posix_time::milliseconds(1000));
//timer.expires_from_now(boost::posix_time::milliseconds(1000));
//timer.wait();
}
}
std::cout << "done GUIMessageSenderThread: run "
<< sleepMillis << "ms"
<< std::endl;
}
inline std::string print_endpoint(tcp::endpoint const& ep)
{
error_code ec;
std::string ret;
address const& addr = ep.address();
#if TORRENT_USE_IPV6
if (addr.is_v6())
{
ret += '[';
ret += addr.to_string(ec);
ret += ']';
ret += ':';
ret += to_string(ep.port()).elems;
}
else
#endif
{
ret += addr.to_string(ec);
ret += ':';
ret += to_string(ep.port()).elems;
}
return ret;
}
void worker::add_endpoint(tcp::endpoint& ep, bs::error_code& ec) {
try {
auto acceptor = tcp::acceptor(m_iosvc);
acceptor.open(ep.protocol());
acceptor.set_option(tcp::acceptor::reuse_address(true));
acceptor.bind(ep);
int backlog = options::opts["server.backlog"].as<int>();
if (backlog == 0) {
backlog = ba::socket_base::max_connections;
}
acceptor.listen(backlog);
m_acceptors.push_back(std::move(acceptor));
} catch (bs::system_error& e) {
ec = e.code();
}
}
/** Open a listening port.
@param ep The address and port to bind to.
@param ec Set to the error, if any occurred.
*/
void
open(tcp::endpoint const& ep, error_code& ec)
{
acceptor_.open(ep.protocol(), ec);
if(ec)
return fail("open", ec);
acceptor_.set_option(
boost::asio::socket_base::reuse_address{true});
acceptor_.bind(ep, ec);
if(ec)
return fail("bind", ec);
acceptor_.listen(
boost::asio::socket_base::max_connections, ec);
if(ec)
return fail("listen", ec);
do_accept();
}
listener(
boost::asio::io_context& ioc,
ssl::context& ctx,
tcp::endpoint endpoint)
: ctx_(ctx)
, acceptor_(ioc)
, socket_(ioc)
{
boost::system::error_code ec;
// Open the acceptor
acceptor_.open(endpoint.protocol(), ec);
if(ec)
{
fail(ec, "open");
return;
}
// Allow address reuse
acceptor_.set_option(boost::asio::socket_base::reuse_address(true), ec);
if(ec)
{
fail(ec, "set_option");
return;
}
// Bind to the server address
acceptor_.bind(endpoint, ec);
if(ec)
{
fail(ec, "bind");
return;
}
// Start listening for connections
acceptor_.listen(
boost::asio::socket_base::max_listen_connections, ec);
if(ec)
{
fail(ec, "listen");
return;
}
}
static bool resolve_address_tcp(io_service &io, size_t chan, std::string host, unsigned short port, tcp::endpoint &ep)
{
bool result = false;
tcp::resolver resolver(io);
error_code ec;
tcp::resolver::query query(host, "");
std::for_each(resolver.resolve(query, ec), tcp::resolver::iterator(),
[&](const tcp::endpoint & q_ep) {
ep = q_ep;
ep.port(port);
result = true;
logDebug(PFXd "host %s resolved as %s", chan, host.c_str(), to_string_ss(ep).c_str());
});
if (ec) {
logWarn(PFXd "resolve error: %s", chan, ec.message().c_str());
result = false;
}
return result;
}
bool has_peer(peer_list const& p, tcp::endpoint const& ep)
{
auto const its = p.find_peers(ep.address());
return its.first != its.second;
}
// 1. if the IP addresses are identical, hash the ports in 16 bit network-order
// binary representation, ordered lowest first.
// 2. if the IPs are in the same /24, hash the IPs ordered, lowest first.
// 3. if the IPs are in the ame /16, mask the IPs by 0xffffff55, hash them
// ordered, lowest first.
// 4. if IPs are not in the same /16, mask the IPs by 0xffff5555, hash them
// ordered, lowest first.
//
// * for IPv6 peers, just use the first 64 bits and widen the masks.
// like this: 0xffff5555 -> 0xffffffff55555555
// the lower 64 bits are always unmasked
//
// * for IPv6 addresses, compare /32 and /48 instead of /16 and /24
//
// * the two IP addresses that are used to calculate the rank must
// always be of the same address family
//
// * all IP addresses are in network byte order when hashed
boost::uint32_t peer_priority(tcp::endpoint e1, tcp::endpoint e2)
{
TORRENT_ASSERT(e1.address().is_v4() == e2.address().is_v4());
using std::swap;
boost::uint32_t ret;
if (e1.address() == e2.address())
{
if (e1.port() > e2.port())
swap(e1, e2);
boost::uint32_t p;
reinterpret_cast<boost::uint16_t*>(&p)[0] = htons(e1.port());
reinterpret_cast<boost::uint16_t*>(&p)[1] = htons(e2.port());
ret = crc32c_32(p);
}
#if TORRENT_USE_IPV6
else if (e1.address().is_v6())
{
const static boost::uint8_t v6mask[][8] = {
{ 0xff, 0xff, 0xff, 0xff, 0x55, 0x55, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
};
if (e1 > e2) swap(e1, e2);
address_v6::bytes_type b1 = e1.address().to_v6().to_bytes();
address_v6::bytes_type b2 = e2.address().to_v6().to_bytes();
int mask = memcmp(&b1[0], &b2[0], 4) ? 0
: memcmp(&b1[0], &b2[0], 6) ? 1 : 2;
apply_mask(&b1[0], v6mask[mask], 8);
apply_mask(&b2[0], v6mask[mask], 8);
boost::uint64_t addrbuf[4];
memcpy(&addrbuf[0], &b1[0], 16);
memcpy(&addrbuf[2], &b2[0], 16);
ret = crc32c(addrbuf, 4);
}
#endif
else
{
const static boost::uint8_t v4mask[][4] = {
{ 0xff, 0xff, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0x55 },
{ 0xff, 0xff, 0xff, 0xff }
};
if (e1 > e2) swap(e1, e2);
address_v4::bytes_type b1 = e1.address().to_v4().to_bytes();
address_v4::bytes_type b2 = e2.address().to_v4().to_bytes();
int mask = memcmp(&b1[0], &b2[0], 2) ? 0
: memcmp(&b1[0], &b2[0], 3) ? 1 : 2;
apply_mask(&b1[0], v4mask[mask], 4);
apply_mask(&b2[0], v4mask[mask], 4);
boost::uint64_t addrbuf;
memcpy(&addrbuf, &b1[0], 4);
memcpy(reinterpret_cast<char*>(&addrbuf) + 4, &b2[0], 4);
ret = crc32c(&addrbuf, 1);
}
return ret;
}
tuple endpoint_to_tuple(tcp::endpoint const& ep)
{
return boost::python::make_tuple(ep.address().to_string(), ep.port());
}
// 1. if the IP addresses are identical, hash the ports in 16 bit network-order
// binary representation, ordered lowest first.
// 2. if the IPs are in the same /24, hash the IPs ordered, lowest first.
// 3. if the IPs are in the ame /16, mask the IPs by 0xffffff55, hash them
// ordered, lowest first.
// 4. if IPs are not in the same /16, mask the IPs by 0xffff5555, hash them
// ordered, lowest first.
//
// * for IPv6 peers, just use the first 64 bits and widen the masks.
// like this: 0xffff5555 -> 0xffffffff55555555
// the lower 64 bits are always unmasked
//
// * for IPv6 addresses, compare /32 and /48 instead of /16 and /24
//
// * the two IP addresses that are used to calculate the rank must
// always be of the same address family
//
// * all IP addresses are in network byte order when hashed
std::uint32_t peer_priority(tcp::endpoint e1, tcp::endpoint e2)
{
TORRENT_ASSERT(e1.address().is_v4() == e2.address().is_v4());
using std::swap;
std::uint32_t ret;
if (e1.address() == e2.address())
{
if (e1.port() > e2.port())
swap(e1, e2);
std::uint32_t p;
#if defined BOOST_BIG_ENDIAN
p = e1.port() << 16;
p |= e2.port();
#elif defined BOOST_LITTLE_ENDIAN
p = aux::host_to_network(e2.port()) << 16;
p |= aux::host_to_network(e1.port());
#else
#error unsupported endianness
#endif
ret = crc32c_32(p);
}
#if TORRENT_USE_IPV6
else if (e1.address().is_v6())
{
static const std::uint8_t v6mask[][8] = {
{ 0xff, 0xff, 0xff, 0xff, 0x55, 0x55, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
};
if (e1 > e2) swap(e1, e2);
address_v6::bytes_type b1 = e1.address().to_v6().to_bytes();
address_v6::bytes_type b2 = e2.address().to_v6().to_bytes();
int mask = memcmp(&b1[0], &b2[0], 4) ? 0
: memcmp(&b1[0], &b2[0], 6) ? 1 : 2;
apply_mask(&b1[0], v6mask[mask], 8);
apply_mask(&b2[0], v6mask[mask], 8);
std::uint64_t addrbuf[4];
memcpy(&addrbuf[0], &b1[0], 16);
memcpy(&addrbuf[2], &b2[0], 16);
ret = crc32c(addrbuf, 4);
}
#endif
else
{
static const std::uint8_t v4mask[][4] = {
{ 0xff, 0xff, 0x55, 0x55 },
{ 0xff, 0xff, 0xff, 0x55 },
{ 0xff, 0xff, 0xff, 0xff }
};
if (e1 > e2) swap(e1, e2);
address_v4::bytes_type b1 = e1.address().to_v4().to_bytes();
address_v4::bytes_type b2 = e2.address().to_v4().to_bytes();
int mask = memcmp(&b1[0], &b2[0], 2) ? 0
: memcmp(&b1[0], &b2[0], 3) ? 1 : 2;
apply_mask(&b1[0], v4mask[mask], 4);
apply_mask(&b2[0], v4mask[mask], 4);
std::uint64_t addrbuf;
memcpy(&addrbuf, &b1[0], 4);
memcpy(reinterpret_cast<char*>(&addrbuf) + 4, &b2[0], 4);
ret = crc32c(&addrbuf, 1);
}
return ret;
}