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p2p: possibly fix crash in relay_blocks

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moneromooo-monero 2016-11-29 16:21:33 +00:00
parent c36cb54340
commit 4adde0423b
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GPG key ID: 686F07454D6CEFC3
4 changed files with 43 additions and 17 deletions
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37
src/cryptonote_protocol/cryptonote_protocol_handler.inl
View file

@ -1092,21 +1092,36 @@ namespace cryptonote
std::list<blobdata> fluffy_txs;
fluffy_arg.b = arg.b;
fluffy_arg.b.txs = fluffy_txs;
m_p2p->for_each_connection([this, &arg, &fluffy_arg](connection_context& cntxt, nodetool::peerid_type peer_id, uint32_t support_flags)
// pre-serialize them
std::string fullBlob, fluffyBlob;
epee::serialization::store_t_to_binary(arg, fullBlob);
epee::serialization::store_t_to_binary(fluffy_arg, fluffyBlob);
// sort peers between fluffy ones and others
std::list<boost::uuids::uuid> fullConnections, fluffyConnections;
m_p2p->for_each_connection([this, &arg, &fluffy_arg, &exclude_context, &fullConnections, &fluffyConnections](connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)
{
if(m_core.get_testnet() && support_flags & P2P_SUPPORT_FLAG_FLUFFY_BLOCKS)
if (peer_id && exclude_context.m_connection_id != context.m_connection_id)
{
LOG_PRINT_YELLOW("PEER SUPPORTS FLUFFY BLOCKS - RELAYING THIN/COMPACT WHATEVER BLOCK", LOG_LEVEL_1);
return post_notify<NOTIFY_NEW_FLUFFY_BLOCK>(fluffy_arg, cntxt);
}
else
{
LOG_PRINT_YELLOW("PEER DOESN'T SUPPORT FLUFFY BLOCKS - RELAYING FULL BLOCK", LOG_LEVEL_1);
return post_notify<NOTIFY_NEW_BLOCK>(arg, cntxt);
if(m_core.get_testnet() && (support_flags & P2P_SUPPORT_FLAG_FLUFFY_BLOCKS))
{
LOG_PRINT_CCONTEXT_YELLOW("PEER SUPPORTS FLUFFY BLOCKS - RELAYING THIN/COMPACT WHATEVER BLOCK", LOG_LEVEL_1);
fluffyConnections.push_back(context.m_connection_id);
}
else
{
LOG_PRINT_CCONTEXT_YELLOW("PEER DOESN'T SUPPORT FLUFFY BLOCKS - RELAYING FULL BLOCK", LOG_LEVEL_1);
fullConnections.push_back(context.m_connection_id);
}
}
return true;
});
// send fluffy ones first, we want to encourage people to run that
m_p2p->relay_notify_to_list(NOTIFY_NEW_FLUFFY_BLOCK::ID, fluffyBlob, fluffyConnections);
m_p2p->relay_notify_to_list(NOTIFY_NEW_BLOCK::ID, fullBlob, fullConnections);
return 1;
}
//------------------------------------------------------------------------------------------------------------------------

1
src/p2p/net_node.h
View file

@ -172,6 +172,7 @@ namespace nodetool
virtual void on_connection_close(p2p_connection_context& context);
virtual void callback(p2p_connection_context& context);
//----------------- i_p2p_endpoint -------------------------------------------------------------
virtual bool relay_notify_to_list(int command, const std::string& data_buff, const std::list<boost::uuids::uuid> &connections);
virtual bool relay_notify_to_all(int command, const std::string& data_buff, const epee::net_utils::connection_context_base& context);
virtual bool invoke_command_to_peer(int command, const std::string& req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context);
virtual bool invoke_notify_to_peer(int command, const std::string& req_buff, const epee::net_utils::connection_context_base& context);

17
src/p2p/net_node.inl
View file

@ -1242,6 +1242,16 @@ namespace nodetool
}
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>
bool node_server<t_payload_net_handler>::relay_notify_to_list(int command, const std::string& data_buff, const std::list<boost::uuids::uuid> &connections)
{
BOOST_FOREACH(const auto& c_id, connections)
{
m_net_server.get_config_object().notify(command, data_buff, c_id);
}
return true;
}
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>
bool node_server<t_payload_net_handler>::relay_notify_to_all(int command, const std::string& data_buff, const epee::net_utils::connection_context_base& context)
{
std::list<boost::uuids::uuid> connections;
@ -1251,12 +1261,7 @@ namespace nodetool
connections.push_back(cntxt.m_connection_id);
return true;
});
BOOST_FOREACH(const auto& c_id, connections)
{
m_net_server.get_config_object().notify(command, data_buff, c_id);
}
return true;
return relay_notify_to_list(command, data_buff, connections);
}
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>

5
src/p2p/net_node_common.h
View file

@ -43,6 +43,7 @@ namespace nodetool
template<class t_connection_context>
struct i_p2p_endpoint
{
virtual bool relay_notify_to_list(int command, const std::string& data_buff, const std::list<boost::uuids::uuid>& connections)=0;
virtual bool relay_notify_to_all(int command, const std::string& data_buff, const epee::net_utils::connection_context_base& context)=0;
virtual bool invoke_command_to_peer(int command, const std::string& req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context)=0;
virtual bool invoke_notify_to_peer(int command, const std::string& req_buff, const epee::net_utils::connection_context_base& context)=0;
@ -59,6 +60,10 @@ namespace nodetool
template<class t_connection_context>
struct p2p_endpoint_stub: public i_p2p_endpoint<t_connection_context>
{
virtual bool relay_notify_to_list(int command, const std::string& data_buff, const std::list<boost::uuids::uuid>& connections)
{
return false;
}
virtual bool relay_notify_to_all(int command, const std::string& data_buff, const epee::net_utils::connection_context_base& context)
{
return false;