util.rfc6724: Remove, unused since introduction of Happy Eyeballs

It was mainly used to determine whether to try IPv6 or IPv4 first,
following the rules for this in the RFC.

Now we always try IPv6 and IPv4 at roughly the same time, thus there no
need to carry these rules.

1 files changed, 0 insertions, 97 deletions

diff --git a/spec/util_rfc6724_spec.lua b/spec/util_rfc6724_spec.lua
deleted file mode 100644
index 30e935b6..00000000
--- a/spec/util_rfc6724_spec.lua
+++ /dev/null
@@ -1,97 +0,0 @@
-
-local rfc6724 = require "util.rfc6724";
-local new_ip = require"util.ip".new_ip;
-
-describe("util.rfc6724", function()
-	describe("#source()", function()
-		it("should work", function()
-			assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
-					{new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
-				"2001:db8:3::1",
-				"prefer appropriate scope");
-			assert.are.equal(rfc6724.source(new_ip("ff05::1", "IPv6"),
-					{new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
-				"2001:db8:3::1",
-				"prefer appropriate scope");
-			assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
-					{new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:2::1", "IPv6")}).addr,
-				"2001:db8:1::1",
-				"prefer same address"); -- "2001:db8:1::1" should be marked "deprecated" here, we don't handle that right now
-			assert.are.equal(rfc6724.source(new_ip("fe80::1", "IPv6"),
-					{new_ip("fe80::2", "IPv6"), new_ip("2001:db8:1::1", "IPv6")}).addr,
-				"fe80::2",
-				"prefer appropriate scope"); -- "fe80::2" should be marked "deprecated" here, we don't handle that right now
-			assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
-					{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
-				"2001:db8:1::2",
-				"longest matching prefix");
-		--[[ "2001:db8:1::2" should be a care-of address and "2001:db8:3::2" a home address, we can't handle this and would fail
-			assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
-					{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
-				"2001:db8:3::2",
-				"prefer home address");
-		]]
-			assert.are.equal(rfc6724.source(new_ip("2002:c633:6401::1", "IPv6"),
-					{new_ip("2002:c633:6401::d5e3:7953:13eb:22e8", "IPv6"), new_ip("2001:db8:1::2", "IPv6")}).addr,
-				"2002:c633:6401::d5e3:7953:13eb:22e8",
-				"prefer matching label"); -- "2002:c633:6401::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
-			assert.are.equal(rfc6724.source(new_ip("2001:db8:1::d5e3:0:0:1", "IPv6"),
-					{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:1::d5e3:7953:13eb:22e8", "IPv6")}).addr,
-				"2001:db8:1::d5e3:7953:13eb:22e8",
-				"prefer temporary address") -- "2001:db8:1::2" should be marked "public" and "2001:db8:1::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
-		end);
-	end);
-	describe("#destination()", function()
-		it("should work", function()
-			local order;
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("169.254.13.78", "IPv4")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer matching scope");
-			assert.are.equal(order[2].addr, "198.51.100.121", "prefer matching scope");
-
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
-				{new_ip("fe80::1", "IPv6"), new_ip("198.51.100.117", "IPv4")})
-			assert.are.equal(order[1].addr, "198.51.100.121", "prefer matching scope");
-			assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching scope");
-
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("10.1.2.3", "IPv4")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("10.1.2.4", "IPv4")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
-			assert.are.equal(order[2].addr, "10.1.2.3", "prefer higher precedence");
-
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "fe80::1", "prefer smaller scope");
-			assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer smaller scope");
-
-		--[[ "2001:db8:1::2" and "fe80::2" should be marked "care-of address", while "2001:db8:3::1" should be marked "home address", we can't currently handle this and would fail the test
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer home address");
-			assert.are.equal(order[2].addr, "fe80::1", "prefer home address");
-		]]
-
-		--[[ "fe80::2" should be marked "deprecated", we can't currently handle this and would fail the test
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "avoid deprecated addresses");
-			assert.are.equal(order[2].addr, "fe80::1", "avoid deprecated addresses");
-		]]
-
-			order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:3ffe::1", "IPv6")},
-				{new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3f44::2", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "longest matching prefix");
-			assert.are.equal(order[2].addr, "2001:db8:3ffe::1", "longest matching prefix");
-
-			order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
-				{new_ip("2002:c633:6401::2", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "2002:c633:6401::1", "prefer matching label");
-			assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching label");
-
-			order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
-				{new_ip("2002:c633:6401::2", "IPv6"), new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
-			assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
-			assert.are.equal(order[2].addr, "2002:c633:6401::1", "prefer higher precedence");
-		end);
-	end);
-end);