mirror of
https://github.com/matrix-construct/construct
synced 2024-12-26 15:33:54 +01:00
ircd: Add listener device.
This commit is contained in:
Jason Volk
parent
b5c72c38f0
commit
a7cb94d042
3 changed files with 171 additions and 97 deletions
|
|
@ -1,4 +1,4 @@
|
|||
/*
|
||||
/*
|
||||
* Copyright (C) 2016 Charybdis Development Team
|
||||
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
|
||||
*
|
||||
|
|
@ -19,8 +19,6 @@
|
|||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "socket.h"
|
||||
|
||||
namespace ircd {
|
||||
|
||||
struct listener
|
||||
|
|
@ -33,7 +31,7 @@ struct listener
|
|||
std::unique_ptr<struct acceptor> acceptor;
|
||||
|
||||
public:
|
||||
listener(const json::doc &options);
|
||||
listener(const json::object &options);
|
||||
~listener() noexcept;
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -199,3 +199,4 @@ struct client;
|
|||
#include "js.h"
|
||||
#include "client.h"
|
||||
#include "mods.h"
|
||||
#include "listen.h"
|
||||
|
|
|
|||
261
ircd/listen.cc
261
ircd/listen.cc
|
|
@ -1,4 +1,4 @@
|
|||
/*
|
||||
/*
|
||||
* Copyright (C) 2016 Charybdis Development Team
|
||||
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
|
||||
*
|
||||
|
|
@ -19,7 +19,7 @@
|
|||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <ircd/listen.h>
|
||||
#include <ircd/socket.h>
|
||||
|
||||
namespace ircd {
|
||||
|
||||
|
|
@ -30,22 +30,31 @@ const size_t DEFAULT_STACK_SIZE
|
|||
|
||||
struct listener::acceptor
|
||||
{
|
||||
using error_code = boost::system::error_code;
|
||||
|
||||
static log::log log;
|
||||
|
||||
std::string name;
|
||||
size_t backlog;
|
||||
|
||||
asio::ssl::context ssl;
|
||||
ip::tcp::endpoint ep;
|
||||
ip::tcp::acceptor a;
|
||||
ctx::context context;
|
||||
|
||||
explicit operator std::string() const;
|
||||
void configure(const json::object &opts);
|
||||
|
||||
bool accept();
|
||||
void main();
|
||||
// Handshake stack
|
||||
bool handshake_error(const error_code &ec);
|
||||
void handshake(const error_code &ec, std::shared_ptr<socket>) noexcept;
|
||||
|
||||
acceptor(const json::doc &opts);
|
||||
// Acceptance stack
|
||||
bool accept_error(const error_code &ec);
|
||||
void accept(const error_code &ec, std::shared_ptr<socket>) noexcept;
|
||||
|
||||
// Accept next
|
||||
void next();
|
||||
|
||||
acceptor(const json::object &opts);
|
||||
~acceptor() noexcept;
|
||||
};
|
||||
|
||||
|
|
@ -56,7 +65,7 @@ struct listener::acceptor
|
|||
// ircd::listener
|
||||
//
|
||||
|
||||
ircd::listener::listener(const json::doc &opts)
|
||||
ircd::listener::listener(const json::object &opts)
|
||||
:acceptor{std::make_unique<struct acceptor>(opts)}
|
||||
{
|
||||
}
|
||||
|
|
@ -77,7 +86,7 @@ ircd::listener::acceptor::log
|
|||
"listener"
|
||||
};
|
||||
|
||||
ircd::listener::acceptor::acceptor(const json::doc &opts)
|
||||
ircd::listener::acceptor::acceptor(const json::object &opts)
|
||||
try
|
||||
:name
|
||||
{
|
||||
|
|
@ -100,23 +109,163 @@ try
|
|||
{
|
||||
*ircd::ios
|
||||
}
|
||||
,context
|
||||
{
|
||||
"listener",
|
||||
opts.get<size_t>("stack_size", DEFAULT_STACK_SIZE),
|
||||
std::bind(&acceptor::main, this),
|
||||
context.POST // defer until ctor body binds the socket
|
||||
static const ip::tcp::acceptor::reuse_address reuse_address{true};
|
||||
|
||||
configure(opts);
|
||||
|
||||
log.debug("%s configured listener SSL",
|
||||
std::string(*this));
|
||||
|
||||
a.open(ep.protocol());
|
||||
a.set_option(reuse_address);
|
||||
log.debug("%s opened listener socket",
|
||||
std::string(*this));
|
||||
|
||||
a.bind(ep);
|
||||
log.debug("%s bound listener socket",
|
||||
std::string(*this));
|
||||
|
||||
a.listen(backlog);
|
||||
log.debug("%s listening (backlog: %lu)",
|
||||
std::string(*this),
|
||||
backlog);
|
||||
|
||||
next();
|
||||
}
|
||||
catch(const boost::system::system_error &e)
|
||||
{
|
||||
log.debug("%s attempting to open listening socket", std::string(*this));
|
||||
throw error("listener: %s", e.what());
|
||||
}
|
||||
|
||||
ircd::listener::acceptor::~acceptor()
|
||||
noexcept
|
||||
{
|
||||
a.cancel();
|
||||
}
|
||||
|
||||
void
|
||||
ircd::listener::acceptor::next()
|
||||
try
|
||||
{
|
||||
auto sock(std::make_shared<ircd::socket>(ssl));
|
||||
log.debug("%s: listening with next socket(%p)",
|
||||
std::string(*this),
|
||||
sock.get());
|
||||
|
||||
// The context blocks here until the next client is connected.
|
||||
auto accept(std::bind(&acceptor::accept, this, ph::_1, sock));
|
||||
a.async_accept(sock->sd, accept);
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.critical("%s: %s",
|
||||
std::string(*this),
|
||||
e.what());
|
||||
|
||||
if(ircd::debugmode)
|
||||
throw;
|
||||
}
|
||||
|
||||
void
|
||||
ircd::listener::acceptor::accept(const error_code &ec,
|
||||
const std::shared_ptr<socket> sock)
|
||||
noexcept try
|
||||
{
|
||||
if(accept_error(ec))
|
||||
return;
|
||||
|
||||
log.debug("%s: accepted %s",
|
||||
std::string(*this),
|
||||
string(sock->remote()));
|
||||
|
||||
static const auto handshake_type(socket::handshake_type::server);
|
||||
auto handshake(std::bind(&acceptor::handshake, this, ph::_1, sock));
|
||||
sock->ssl.async_handshake(handshake_type, handshake);
|
||||
next();
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.error("%s: in accept(): socket(%p): %s",
|
||||
std::string(*this),
|
||||
sock.get(),
|
||||
e.what());
|
||||
next();
|
||||
}
|
||||
|
||||
bool
|
||||
ircd::listener::acceptor::accept_error(const error_code &ec)
|
||||
{
|
||||
switch(ec.value())
|
||||
{
|
||||
using namespace boost::system::errc;
|
||||
|
||||
case success:
|
||||
return false;
|
||||
|
||||
case operation_canceled:
|
||||
return true;
|
||||
|
||||
default:
|
||||
throw boost::system::system_error(ec);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ircd::listener::acceptor::handshake(const error_code &ec,
|
||||
const std::shared_ptr<socket> sock)
|
||||
noexcept try
|
||||
{
|
||||
if(handshake_error(ec))
|
||||
return;
|
||||
|
||||
log.debug("%s SSL handshook %s",
|
||||
std::string(*this),
|
||||
string(sock->remote()));
|
||||
|
||||
add_client(sock);
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.error("%s: in handshake(): socket(%p)[%s]: %s",
|
||||
std::string(*this),
|
||||
sock.get(),
|
||||
string(sock->remote()),
|
||||
e.what());
|
||||
}
|
||||
|
||||
bool
|
||||
ircd::listener::acceptor::handshake_error(const error_code &ec)
|
||||
{
|
||||
switch(ec.value())
|
||||
{
|
||||
using namespace boost::system::errc;
|
||||
|
||||
case success:
|
||||
return false;
|
||||
|
||||
case operation_canceled:
|
||||
return true;
|
||||
|
||||
default:
|
||||
throw boost::system::system_error(ec);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ircd::listener::acceptor::configure(const json::object &opts)
|
||||
{
|
||||
log.debug("%s preparing listener socket configuration...",
|
||||
std::string(*this));
|
||||
|
||||
ssl.set_options
|
||||
(
|
||||
ssl.default_workarounds |
|
||||
ssl.no_sslv2
|
||||
//ssl.single_dh_use
|
||||
ssl.default_workarounds
|
||||
// | ssl.no_sslv2
|
||||
// | ssl.single_dh_use
|
||||
);
|
||||
|
||||
//TODO: XXX
|
||||
ssl.set_password_callback([this]
|
||||
(const auto &size, const auto &purpose)
|
||||
{
|
||||
|
|
@ -125,13 +274,10 @@ try
|
|||
purpose,
|
||||
size);
|
||||
|
||||
//XXX: TODO
|
||||
return "foobar";
|
||||
});
|
||||
|
||||
a.open(ep.protocol());
|
||||
a.set_option(ip::tcp::acceptor::reuse_address(true));
|
||||
a.bind(ep);
|
||||
|
||||
if(opts.has("ssl_certificate_chain_file"))
|
||||
{
|
||||
const std::string filename
|
||||
|
|
@ -183,77 +329,6 @@ try
|
|||
std::string(*this),
|
||||
filename);
|
||||
}
|
||||
|
||||
a.listen(backlog);
|
||||
|
||||
// Allow main() to run and print its log message
|
||||
ctx::yield();
|
||||
}
|
||||
catch(const boost::system::system_error &e)
|
||||
{
|
||||
throw error("listener: %s", e.what());
|
||||
}
|
||||
|
||||
ircd::listener::acceptor::~acceptor()
|
||||
noexcept
|
||||
{
|
||||
a.cancel();
|
||||
}
|
||||
|
||||
void
|
||||
ircd::listener::acceptor::main()
|
||||
try
|
||||
{
|
||||
log.info("%s ready", std::string(*this));
|
||||
|
||||
while(accept());
|
||||
|
||||
log.info("%s closing", std::string(*this));
|
||||
}
|
||||
catch(const ircd::ctx::interrupted &e)
|
||||
{
|
||||
log.warning("%s interrupted", std::string(*this));
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.critical("%s %s", std::string(*this), e.what());
|
||||
if(ircd::debugmode)
|
||||
throw;
|
||||
}
|
||||
|
||||
bool
|
||||
ircd::listener::acceptor::accept()
|
||||
try
|
||||
{
|
||||
auto sock(std::make_shared<ircd::socket>(ssl));
|
||||
//log.debug("%s listening with socket(%p)", std::string(*this), sock.get());
|
||||
|
||||
a.async_accept(sock->sd, yield(continuation()));
|
||||
//log.debug("%s accepted %s", std::string(*this), string(sock->remote()));
|
||||
|
||||
sock->ssl.async_handshake(socket::handshake_type::server, yield(continuation()));
|
||||
//log.debug("%s SSL shooks hands with %s", std::string(*this), string(sock->remote()));
|
||||
|
||||
add_client(std::move(sock));
|
||||
return true;
|
||||
}
|
||||
catch(const boost::system::system_error &e)
|
||||
{
|
||||
switch(e.code().value())
|
||||
{
|
||||
using namespace boost::system::errc;
|
||||
|
||||
case success: return true;
|
||||
case operation_canceled: return false;
|
||||
default:
|
||||
log.warning("%s: in accept(): %s", std::string(*this), e.what());
|
||||
return true;
|
||||
}
|
||||
}
|
||||
catch(const std::exception &e)
|
||||
{
|
||||
log.error("%s: in accept(): %s", std::string(*this), e.what());
|
||||
return true;
|
||||
}
|
||||
|
||||
ircd::listener::acceptor::operator std::string()
|
||||
|
|
|
|||
Loading…
Reference in a new issue