6 files changed, 65 insertions, 4 deletions
diff --git a/contrib/epee/include/int-util.h b/contrib/epee/include/int-util.h
index 8ef5be40a..939c018ea 100644
--- a/contrib/epee/include/int-util.h
+++ b/contrib/epee/include/int-util.h
@@ -129,6 +129,9 @@ static inline uint32_t div128_32(uint64_t dividend_hi, uint64_t dividend_lo, uin
   return remainder;
 }
 
+// Long divisor with 2^64 base
+void div128_64(uint64_t dividend_hi, uint64_t dividend_lo, uint64_t divisor, uint64_t* quotient_hi, uint64_t *quotient_lo, uint64_t *remainder_hi, uint64_t *remainder_lo);
+
 #define IDENT16(x) ((uint16_t) (x))
 #define IDENT32(x) ((uint32_t) (x))
 #define IDENT64(x) ((uint64_t) (x))
diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl
index c52535dcd..e1777b1c4 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -1522,7 +1522,7 @@ POP_WARNINGS
 
     }
 
-    LOG_ERROR("Trying connect to " << adr << ":" << port << ", bind_ip = " << bind_ip_to_use);
+    MDEBUG("Trying to connect to " << adr << ":" << port << ", bind_ip = " << bind_ip_to_use);
 
     //boost::asio::ip::tcp::endpoint remote_endpoint(boost::asio::ip::address::from_string(addr.c_str()), port);
     boost::asio::ip::tcp::endpoint remote_endpoint(*iterator);
diff --git a/contrib/epee/include/net/net_ssl.h b/contrib/epee/include/net/net_ssl.h
index d2c1c1a3a..643b2c486 100644
--- a/contrib/epee/include/net/net_ssl.h
+++ b/contrib/epee/include/net/net_ssl.h
@@ -29,6 +29,7 @@
 #ifndef _NET_SSL_H
 #define _NET_SSL_H
 
+#include <chrono>
 #include <stdint.h>
 #include <string>
 #include <vector>
diff --git a/contrib/epee/src/CMakeLists.txt b/contrib/epee/src/CMakeLists.txt
index 9b9fa5a47..5201f59c2 100644
--- a/contrib/epee/src/CMakeLists.txt
+++ b/contrib/epee/src/CMakeLists.txt
@@ -27,7 +27,8 @@
 # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 add_library(epee STATIC byte_slice.cpp hex.cpp http_auth.cpp mlog.cpp net_helper.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp
-    levin_base.cpp memwipe.c connection_basic.cpp network_throttle.cpp network_throttle-detail.cpp mlocker.cpp buffer.cpp net_ssl.cpp)
+    levin_base.cpp memwipe.c connection_basic.cpp network_throttle.cpp network_throttle-detail.cpp mlocker.cpp buffer.cpp net_ssl.cpp
+    int-util.cpp)
 
 if (USE_READLINE AND (GNU_READLINE_FOUND OR (DEPENDS AND NOT MINGW)))
   add_library(epee_readline STATIC readline_buffer.cpp)
diff --git a/contrib/epee/src/int-util.cpp b/contrib/epee/src/int-util.cpp
new file mode 100644
index 000000000..e9d0822e0
--- /dev/null
+++ b/contrib/epee/src/int-util.cpp
@@ -0,0 +1,48 @@
+// Copyright (c) 2019, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <boost/multiprecision/cpp_int.hpp>
+
+void div128_64(uint64_t dividend_hi, uint64_t dividend_lo, uint64_t divisor, uint64_t* quotient_hi, uint64_t *quotient_lo, uint64_t *remainder_hi, uint64_t *remainder_lo)
+{
+  typedef boost::multiprecision::uint128_t uint128_t;
+
+  uint128_t dividend = dividend_hi;
+  dividend <<= 64;
+  dividend |= dividend_lo;
+
+  uint128_t q, r;
+  divide_qr(dividend, uint128_t(divisor), q, r);
+
+  *quotient_hi = ((q >> 64) & 0xffffffffffffffffull).convert_to<uint64_t>();
+  *quotient_lo = (q & 0xffffffffffffffffull).convert_to<uint64_t>();
+  if (remainder_hi)
+    *remainder_hi = ((r >> 64) & 0xffffffffffffffffull).convert_to<uint64_t>();
+  if (remainder_lo)
+    *remainder_lo = (r & 0xffffffffffffffffull).convert_to<uint64_t>();
+}
diff --git a/contrib/epee/src/net_ssl.cpp b/contrib/epee/src/net_ssl.cpp
index c7dca1914..16454fce0 100644
--- a/contrib/epee/src/net_ssl.cpp
+++ b/contrib/epee/src/net_ssl.cpp
@@ -27,6 +27,7 @@
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <string.h>
+#include <thread>
 #include <boost/asio/ssl.hpp>
 #include <boost/lambda/lambda.hpp>
 #include <openssl/ssl.h>
@@ -519,10 +520,17 @@ bool ssl_options_t::handshake(
 
   boost::system::error_code ec = boost::asio::error::would_block;
   socket.async_handshake(type, boost::lambda::var(ec) = boost::lambda::_1);
-  while (ec == boost::asio::error::would_block)
+  if (io_service.stopped())
   {
     io_service.reset();
-    io_service.run_one();
+  }
+  while (ec == boost::asio::error::would_block && !io_service.stopped())
+  {
+    // should poll_one(), can't run_one() because it can block if there is
+    // another worker thread executing io_service's tasks
+    // TODO: once we get Boost 1.66+, replace with run_one_for/run_until
+    std::this_thread::sleep_for(std::chrono::milliseconds(30));
+    io_service.poll_one();
   }
 
   if (ec)