From c8ab6ae2f8a8ec4d343457c7b280144952ddcf36 Mon Sep 17 00:00:00 2001
From: WebFreak001 <gh@webfreak.org>
Date: Thu, 20 Dec 2018 02:10:40 +0100
Subject: [PATCH 1/2] Make waitForData not assert fail on close fix #110

---
 source/vibe/core/net.d                    |  8 ++++-
 tests/issue-110-close-while-waitForData.d | 39 +++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 tests/issue-110-close-while-waitForData.d

diff --git a/source/vibe/core/net.d b/source/vibe/core/net.d
index 2c2a2a6..4cb08e7 100644
--- a/source/vibe/core/net.d
+++ b/source/vibe/core/net.d
@@ -569,7 +569,13 @@ mixin(tracer);
 		alias waiter = Waitable!(IOCallback,
 			cb => eventDriver.sockets.read(m_socket, m_context.readBuffer.peekDst(), mode, cb),
 			(cb) { cancelled = true; eventDriver.sockets.cancelRead(m_socket); },
-			(sock, st, nb) { assert(sock == m_socket); status = st; nbytes = nb; }
+			(sock, st, nb) {
+				if (m_socket == StreamSocketFD.invalid) {
+					cancelled = true;
+					return;
+				}
+				assert(sock == m_socket); status = st; nbytes = nb;
+			}
 		);
 
 		asyncAwaitAny!(true, waiter)(timeout);
diff --git a/tests/issue-110-close-while-waitForData.d b/tests/issue-110-close-while-waitForData.d
new file mode 100644
index 0000000..e8a7906
--- /dev/null
+++ b/tests/issue-110-close-while-waitForData.d
@@ -0,0 +1,39 @@
+/+ dub.sdl:
+	name "test"
+	dependency "vibe-core" path=".."
++/
+module test;
+
+import core.time;
+
+import vibe.core.core;
+import vibe.core.net;
+
+ushort port;
+void main()
+{
+	runTask(&server);
+	runTask(&client);
+
+	runEventLoop();
+}
+
+void server()
+{
+	auto listener = listenTCP(0, (conn) @safe nothrow {
+		try { sleep(200.msecs); } catch (Exception) {}
+	});
+	port = listener[0].bindAddress.port;
+}
+
+void client()
+{
+	sleep(100.msecs);
+	auto tcp = connectTCP("127.0.0.1", port);
+	runTask({
+		sleep(10.msecs);
+		tcp.close();
+	});
+	assert(!tcp.waitForData());
+	exitEventLoop(true);
+}
\ No newline at end of file

From bc3b319783254e95cfa9a6ee0ef605837690e860 Mon Sep 17 00:00:00 2001
From: WebFreak001 <gh@webfreak.org>
Date: Thu, 20 Dec 2018 02:20:41 +0100
Subject: [PATCH 2/2] Fix potential crash if context is null on closed socket

If the other side closes the connection this might happen
Without this check the following m_context.readBuffer would segfault
---
 source/vibe/core/net.d | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/vibe/core/net.d b/source/vibe/core/net.d
index 4cb08e7..c183d1d 100644
--- a/source/vibe/core/net.d
+++ b/source/vibe/core/net.d
@@ -580,7 +580,7 @@ mixin(tracer);
 
 		asyncAwaitAny!(true, waiter)(timeout);
 
-		if (cancelled) return false;
+		if (cancelled || !m_context) return false;
 
 		logTrace("Socket %s, read %s bytes: %s", m_socket, nbytes, status);