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epee: adaptive connection timeout system

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a connection's timeout is halved for every extra connection
from the same host.

Also keep track of when we don't need to use a connection
anymore, so we can close it and free the resource for another
connection.

Also use the longer timeout for non routable local addresses.
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moneromooo-monero 2018-06-07 12:43:10 +01:00
parent 8a7b3ff138
commit 55c7fb87a9
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6 changed files with 77 additions and 19 deletions
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10
contrib/epee/include/net/abstract_tcp_server2.h
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@ -119,6 +119,7 @@ namespace net_utils
//----------------- i_service_endpoint ---------------------
virtual bool do_send(const void* ptr, size_t cb); ///< (see do_send from i_service_endpoint)
virtual bool do_send_chunk(const void* ptr, size_t cb); ///< will send (or queue) a part of data
virtual bool send_done();
virtual bool close();
virtual bool call_run_once_service_io();
virtual bool request_callback();
@ -137,8 +138,11 @@ namespace net_utils
/// 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;
boost::posix_time::milliseconds get_default_timeout();
boost::posix_time::milliseconds get_timeout_from_bytes_read(size_t bytes);
/// host connection count tracking
unsigned int host_count(const std::string &host, int delta = 0);
/// Buffer for incoming data.
boost::array<char, 8192> buffer_;
@ -165,6 +169,8 @@ namespace net_utils
boost::asio::deadline_timer m_timer;
bool m_local;
bool m_ready_to_close;
std::string m_host;
public:
void setRpcStation();