From 3e32cd09f643bf7d4344d3bb2e1136f186f3d109 Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Mon, 12 Sep 2016 20:00:33 -0400
Subject: connman is in charge of pushing messages

The changes here are dense and subtle, but hopefully all is more explicit
than before.

- CConnman is now in charge of sending data rather than the nodes themselves.
  This is necessary because many decisions need to be made with all nodes in
  mind, and a model that requires the nodes calling up to their manager quickly
  turns to spaghetti.

- The per-node-serializer (ssSend) has been replaced with a (quasi-)const
  send-version. Since the send version for serialization can only change once
  per connection, we now explicitly tag messages with INIT_PROTO_VERSION if
  they are sent before the handshake. With this done, there's no need to lock
  for access to nSendVersion.

  Also, a new stream is used for each message, so there's no need to lock
  during the serialization process.

- This takes care of accounting for optimistic sends, so the
  nOptimisticBytesWritten hack can be removed.

- -dropmessagestest and -fuzzmessagestest have not been preserved, as I suspect
  they haven't been used in years.
---
 src/test/DoS_tests.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/test/DoS_tests.cpp')

diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
index 4aa7166815..47979a6f86 100644
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -49,6 +49,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
     connman->ClearBanned();
     CAddress addr1(ip(0xa0b0c001), NODE_NONE);
     CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 0, 0, "", true);
+    dummyNode1.SetSendVersion(PROTOCOL_VERSION);
     GetNodeSignals().InitializeNode(dummyNode1.GetId(), &dummyNode1);
     dummyNode1.nVersion = 1;
     Misbehaving(dummyNode1.GetId(), 100); // Should get banned
@@ -58,6 +59,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
 
     CAddress addr2(ip(0xa0b0c002), NODE_NONE);
     CNode dummyNode2(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr2, 1, 1, "", true);
+    dummyNode2.SetSendVersion(PROTOCOL_VERSION);
     GetNodeSignals().InitializeNode(dummyNode2.GetId(), &dummyNode2);
     dummyNode2.nVersion = 1;
     Misbehaving(dummyNode2.GetId(), 50);
@@ -75,6 +77,7 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
     mapArgs["-banscore"] = "111"; // because 11 is my favorite number
     CAddress addr1(ip(0xa0b0c001), NODE_NONE);
     CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, "", true);
+    dummyNode1.SetSendVersion(PROTOCOL_VERSION);
     GetNodeSignals().InitializeNode(dummyNode1.GetId(), &dummyNode1);
     dummyNode1.nVersion = 1;
     Misbehaving(dummyNode1.GetId(), 100);
@@ -97,6 +100,7 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
 
     CAddress addr(ip(0xa0b0c001), NODE_NONE);
     CNode dummyNode(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr, 4, 4, "", true);
+    dummyNode.SetSendVersion(PROTOCOL_VERSION);
     GetNodeSignals().InitializeNode(dummyNode.GetId(), &dummyNode);
     dummyNode.nVersion = 1;
 
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