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Merge pull request #3889

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5e2e003c http_protocol_handler: limit the number of starting newlines (moneromooo-monero)
fd9019b3 abstract_tcp_server2: timeout on RPC connections (moneromooo-monero)
ccaa666c http_protocol_handler: speedup newline discarding (moneromooo-monero)
ca7f0249 console_handler: fix start_default_console use of prompt parameter (moneromooo-monero)
pull/88/head
Riccardo Spagni 6 years ago
parent b2dd94bcc0 5e2e003cfb
commit 8195a444ee
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GPG Key ID: 55432DF31CCD4FCD
5 changed files with 105 additions and 6 deletions
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24
contrib/epee/include/console_handler.h
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@ -401,13 +401,19 @@ eof:
template<class t_server, class t_handler>
bool start_default_console(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
bool start_default_console(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
{
std::shared_ptr<async_console_handler> console_handler = std::make_shared<async_console_handler>();
boost::thread([=](){console_handler->run<t_server, t_handler>(ptsrv, handlr, prompt, usage);}).detach();
return true;
}
template<class t_server, class t_handler>
bool start_default_console(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
{
return start_default_console(ptsrv, handlr, [prompt](){ return prompt; }, usage);
}
template<class t_server>
bool start_default_console(t_server* ptsrv, const std::string& prompt, const std::string& usage = "")
{
@ -421,19 +427,31 @@ eof:
}
template<class t_server, class t_handler>
bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
{
async_console_handler console_handler;
return console_handler.run(ptsrv, boost::bind<bool>(no_srv_param_adapter<t_server, t_handler>, _1, _2, handlr), prompt, usage);
}
template<class t_server, class t_handler>
bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
{
return run_default_console_handler_no_srv_param(ptsrv, handlr, [prompt](){return prompt;},usage);
}
template<class t_server, class t_handler>
bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
{
boost::thread( boost::bind(run_default_console_handler_no_srv_param<t_server, t_handler>, ptsrv, handlr, prompt, usage) );
return true;
}
template<class t_server, class t_handler>
bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
{
return start_default_console_handler_no_srv_param(ptsrv, handlr, [prompt](){return prompt;}, usage);
}
/*template<class a>
bool f(int i, a l)
{

8
contrib/epee/include/net/abstract_tcp_server2.h
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@ -135,6 +135,11 @@ namespace net_utils
/// Handle completion of a write operation.
void handle_write(const boost::system::error_code& e, size_t cb);
/// reset connection timeout timer and callback
void reset_timer(boost::posix_time::milliseconds ms, bool add);
boost::posix_time::milliseconds get_default_time() const;
boost::posix_time::milliseconds get_timeout_from_bytes_read(size_t bytes) const;
/// Buffer for incoming data.
boost::array<char, 8192> buffer_;
//boost::array<char, 1024> buffer_;
@ -158,6 +163,9 @@ namespace net_utils
boost::mutex m_throttle_speed_in_mutex;
boost::mutex m_throttle_speed_out_mutex;
boost::asio::deadline_timer m_timer;
bool m_local;
public:
void setRpcStation();
};

61
contrib/epee/include/net/abstract_tcp_server2.inl
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@ -44,6 +44,7 @@
#include <boost/thread/thread.hpp> // TODO
#include <boost/thread/condition_variable.hpp> // TODO
#include "misc_language.h"
#include "net/local_ip.h"
#include "pragma_comp_defs.h"
#include <sstream>
@ -55,6 +56,10 @@
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "net"
#define DEFAULT_TIMEOUT_MS_LOCAL boost::posix_time::milliseconds(120000) // 2 minutes
#define DEFAULT_TIMEOUT_MS_REMOTE boost::posix_time::milliseconds(10000) // 10 seconds
#define TIMEOUT_EXTRA_MS_PER_BYTE 0.2
PRAGMA_WARNING_PUSH
namespace epee
{
@ -79,7 +84,9 @@ PRAGMA_WARNING_DISABLE_VS(4355)
m_pfilter( pfilter ),
m_connection_type( connection_type ),
m_throttle_speed_in("speed_in", "throttle_speed_in"),
m_throttle_speed_out("speed_out", "throttle_speed_out")
m_throttle_speed_out("speed_out", "throttle_speed_out"),
m_timer(io_service),
m_local(false)
{
MDEBUG("test, connection constructor set m_connection_type="<<m_connection_type);
}
@ -139,6 +146,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
context = boost::value_initialized<t_connection_context>();
const unsigned long ip_{boost::asio::detail::socket_ops::host_to_network_long(remote_ep.address().to_v4().to_ulong())};
m_local = epee::net_utils::is_ip_loopback(ip_);
// create a random uuid
boost::uuids::uuid random_uuid;
@ -159,6 +167,8 @@ PRAGMA_WARNING_DISABLE_VS(4355)
m_protocol_handler.after_init_connection();
reset_timer(get_default_time(), false);
socket_.async_read_some(boost::asio::buffer(buffer_),
strand_.wrap(
boost::bind(&connection<t_protocol_handler>::handle_read, self,
@ -304,6 +314,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
delay *= 0.5;
if (delay > 0) {
long int ms = (long int)(delay * 100);
reset_timer(boost::posix_time::milliseconds(ms + 1), true);
boost::this_thread::sleep_for(boost::chrono::milliseconds(ms));
}
} while(delay > 0);
@ -329,6 +340,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
shutdown();
}else
{
reset_timer(get_timeout_from_bytes_read(bytes_transferred), false);
socket_.async_read_some(boost::asio::buffer(buffer_),
strand_.wrap(
boost::bind(&connection<t_protocol_handler>::handle_read, connection<t_protocol_handler>::shared_from_this(),
@ -539,6 +551,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
do_send_handler_write( ptr , size_now ); // (((H)))
CHECK_AND_ASSERT_MES( size_now == m_send_que.front().size(), false, "Unexpected queue size");
reset_timer(get_default_time(), false);
boost::asio::async_write(socket_, boost::asio::buffer(m_send_que.front().data(), size_now ) ,
//strand_.wrap(
boost::bind(&connection<t_protocol_handler>::handle_write, self, _1, _2)
@ -557,9 +570,53 @@ PRAGMA_WARNING_DISABLE_VS(4355)
} // do_send_chunk
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
boost::posix_time::milliseconds connection<t_protocol_handler>::get_default_time() const
{
if (m_local)
return DEFAULT_TIMEOUT_MS_LOCAL;
else
return DEFAULT_TIMEOUT_MS_REMOTE;
}
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
boost::posix_time::milliseconds connection<t_protocol_handler>::get_timeout_from_bytes_read(size_t bytes) const
{
boost::posix_time::milliseconds ms = (boost::posix_time::milliseconds)(unsigned)(bytes * TIMEOUT_EXTRA_MS_PER_BYTE);
ms += m_timer.expires_from_now();
if (ms > get_default_time())
ms = get_default_time();
return ms;
}
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
void connection<t_protocol_handler>::reset_timer(boost::posix_time::milliseconds ms, bool add)
{
if (m_connection_type != e_connection_type_RPC)
return;
MTRACE("Setting " << ms << " expiry");
auto self = safe_shared_from_this();
if(!self)
{
MERROR("Resetting timer on a dead object");
return;
}
if (add)
ms += m_timer.expires_from_now();
m_timer.expires_from_now(ms);
m_timer.async_wait([=](const boost::system::error_code& ec)
{
if(ec == boost::asio::error::operation_aborted)
return;
MDEBUG(context << "connection timeout, closing");
self->close();
});
}
//---------------------------------------------------------------------------------
template<class t_protocol_handler>
bool connection<t_protocol_handler>::shutdown()
{
// Initiate graceful connection closure.
m_timer.cancel();
boost::system::error_code ignored_ec;
socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignored_ec);
m_was_shutdown = true;
@ -572,6 +629,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
{
TRY_ENTRY();
//_info("[sock " << socket_.native_handle() << "] Que Shutdown called.");
m_timer.cancel();
size_t send_que_size = 0;
CRITICAL_REGION_BEGIN(m_send_que_lock);
send_que_size = m_send_que.size();
@ -629,6 +687,7 @@ PRAGMA_WARNING_DISABLE_VS(4355)
}else
{
//have more data to send
reset_timer(get_default_time(), false);
auto size_now = m_send_que.front().size();
MDEBUG("handle_write() NOW SENDS: packet="<<size_now<<" B" <<", from queue size="<<m_send_que.size());
if (speed_limit_is_enabled())

1
contrib/epee/include/net/http_protocol_handler.h
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@ -141,6 +141,7 @@ namespace net_utils
size_t m_len_summary, m_len_remain;
config_type& m_config;
bool m_want_close;
size_t m_newlines;
protected:
i_service_endpoint* m_psnd_hndlr;
};

17
contrib/epee/include/net/http_protocol_handler.inl
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@ -38,6 +38,7 @@
#define HTTP_MAX_URI_LEN 9000
#define HTTP_MAX_HEADER_LEN 100000
#define HTTP_MAX_STARTING_NEWLINES 8
namespace epee
{
@ -203,6 +204,7 @@ namespace net_utils
m_len_remain(0),
m_config(config),
m_want_close(false),
m_newlines(0),
m_psnd_hndlr(psnd_hndlr)
{
@ -216,6 +218,7 @@ namespace net_utils
m_body_transfer_type = http_body_transfer_undefined;
m_query_info.clear();
m_len_summary = 0;
m_newlines = 0;
return true;
}
//--------------------------------------------------------------------------------------------
@ -236,6 +239,8 @@ namespace net_utils
bool simple_http_connection_handler<t_connection_context>::handle_buff_in(std::string& buf)
{
size_t ndel;
if(m_cache.size())
m_cache += buf;
else
@ -253,11 +258,19 @@ namespace net_utils
break;
//check_and_handle_fake_response();
if((m_cache[0] == '\r' || m_cache[0] == '\n'))
ndel = m_cache.find_first_not_of("\r\n");
if (ndel != 0)
{
//some times it could be that before query line cold be few line breaks
//so we have to be calm without panic with assers
m_cache.erase(0, 1);
m_newlines += std::string::npos == ndel ? m_cache.size() : ndel;
if (m_newlines > HTTP_MAX_STARTING_NEWLINES)
{
LOG_ERROR("simple_http_connection_handler::handle_buff_out: Too many starting newlines");
m_state = http_state_error;
return false;
}
m_cache.erase(0, ndel);
break;
}

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