cryptonote_protocol: kick idle synchronizing peers

In case they dropped off downloading for any reason, they'll get
sent to download again.
This commit is contained in:
moneromooo-monero 2017-08-16 19:27:16 +01:00
parent d0a610183a
commit 7b74760756
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GPG Key ID: 686F07454D6CEFC3
5 changed files with 44 additions and 0 deletions

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@ -46,6 +46,7 @@ namespace cryptonote
{
state_befor_handshake = 0, //default state
state_synchronizing,
state_standby,
state_idle,
state_normal
};
@ -69,6 +70,8 @@ namespace cryptonote
return "state_befor_handshake";
case cryptonote_connection_context::state_synchronizing:
return "state_synchronizing";
case cryptonote_connection_context::state_standby:
return "state_standby";
case cryptonote_connection_context::state_idle:
return "state_idle";
case cryptonote_connection_context::state_normal:

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@ -334,6 +334,16 @@ crypto::hash block_queue::get_last_known_hash(const boost::uuids::uuid &connecti
return hash;
}
bool block_queue::has_spans(const boost::uuids::uuid &connection_id) const
{
for (const auto &span: blocks)
{
if (span.connection_id == connection_id)
return true;
}
return false;
}
float block_queue::get_speed(const boost::uuids::uuid &connection_id) const
{
boost::unique_lock<boost::recursive_mutex> lock(mutex);

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@ -86,6 +86,7 @@ namespace cryptonote
size_t get_num_filled_spans_prefix() const;
size_t get_num_filled_spans() const;
crypto::hash get_last_known_hash(const boost::uuids::uuid &connection_id) const;
bool has_spans(const boost::uuids::uuid &connection_id) const;
float get_speed(const boost::uuids::uuid &connection_id) const;
bool foreach(std::function<bool(const span&)> f, bool include_blockchain_placeholder = false) const;
bool requested(const crypto::hash &hash) const;

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@ -38,6 +38,7 @@
#include <string>
#include <ctime>
#include "math_helper.h"
#include "storages/levin_abstract_invoke2.h"
#include "warnings.h"
#include "cryptonote_protocol_defs.h"
@ -131,6 +132,7 @@ namespace cryptonote
bool on_connection_synchronized();
bool should_download_next_span(cryptonote_connection_context& context) const;
void drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans);
bool kick_idle_peers();
t_core& m_core;
@ -141,6 +143,7 @@ namespace cryptonote
std::atomic<bool> m_stopping;
boost::mutex m_sync_lock;
block_queue m_block_queue;
epee::math_helper::once_a_time_seconds<30> m_idle_peer_kicker;
boost::mutex m_buffer_mutex;
double get_avg_block_size();

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@ -51,6 +51,7 @@
#define BLOCK_QUEUE_NBLOCKS_THRESHOLD 10 // chunks of N blocks
#define BLOCK_QUEUE_SIZE_THRESHOLD (100*1024*1024) // MB
#define REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD (5 * 1000000) // microseconds
#define IDLE_PEER_KICK_TIME (45 * 1000000) // microseconds
namespace cryptonote
{
@ -1129,10 +1130,33 @@ skip:
template<class t_core>
bool t_cryptonote_protocol_handler<t_core>::on_idle()
{
m_idle_peer_kicker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::kick_idle_peers, this));
return m_core.on_idle();
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
bool t_cryptonote_protocol_handler<t_core>::kick_idle_peers()
{
MTRACE("Checking for idle peers...");
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool
{
if (context.m_state == cryptonote_connection_context::state_synchronizing)
{
const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
const boost::posix_time::time_duration dt = now - context.m_last_request_time;
if (dt.total_microseconds() > IDLE_PEER_KICK_TIME)
{
MINFO(context << " kicking idle peer");
++context.m_callback_request_count;
m_p2p->request_callback(context);
}
}
return true;
});
return true;
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
int t_cryptonote_protocol_handler<t_core>::handle_request_chain(int command, NOTIFY_REQUEST_CHAIN::request& arg, cryptonote_connection_context& context)
{
MLOG_P2P_MESSAGE("Received NOTIFY_REQUEST_CHAIN (" << arg.block_ids.size() << " blocks");
@ -1243,6 +1267,7 @@ skip:
{
LOG_DEBUG_CC(context, "Block queue is " << nblocks << " and " << size << ", pausing");
first = false;
context.m_state = cryptonote_connection_context::state_standby;
}
for (size_t n = 0; n < 50; ++n)
{
@ -1251,6 +1276,7 @@ skip:
boost::this_thread::sleep_for(boost::chrono::milliseconds(100));
}
}
context.m_state = cryptonote_connection_context::state_synchronizing;
}
MDEBUG(context << " request_missing_objects: check " << check_having_blocks << ", force_next_span " << force_next_span << ", m_needed_objects " << context.m_needed_objects.size() << " lrh " << context.m_last_response_height << ", chain " << m_core.get_current_blockchain_height());
@ -1402,6 +1428,7 @@ skip:
//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
//LOG_PRINT_CCONTEXT_L1("r = " << 200);
context.m_last_request_time = boost::posix_time::microsec_clock::universal_time();
LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() << ", start_from_current_chain " << start_from_current_chain);
post_notify<NOTIFY_REQUEST_CHAIN>(r, context);
}else