From 95e3e26d1297bdd9640ea491ef55ae371790794e Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Mon, 13 Feb 2023 21:47:22 -0600
Subject: [PATCH] Send TCP FIN after completion of our RTSP request

This allows servers to read until a FIN, just like we do on the client.
---
 src/PlatformSockets.h | 2 ++
 src/RtspConnection.c  | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/PlatformSockets.h b/src/PlatformSockets.h
index 97c5ad6..26f1ceb 100644
--- a/src/PlatformSockets.h
+++ b/src/PlatformSockets.h
@@ -15,6 +15,8 @@
 #define SetLastSocketError(x) WSASetLastError(x)
 #define LastSocketError() WSAGetLastError()
 
+#define SHUT_RD SD_RECEIVE
+#define SHUT_WR SD_SEND
 #define SHUT_RDWR SD_BOTH
 
 #ifdef EAGAIN
diff --git a/src/RtspConnection.c b/src/RtspConnection.c
index 65fca43..aadf2f3 100644
--- a/src/RtspConnection.c
+++ b/src/RtspConnection.c
@@ -267,6 +267,9 @@ static bool transactRtspMessageTcp(PRTSP_MESSAGE request, PRTSP_MESSAGE response
         goto Exit;
     }
 
+    // Notify the server that we're finished sending the request with a FIN
+    shutdown(sock, SHUT_WR);
+
     // Read the response until the server closes the connection
     offset = 0;
     responseBufferSize = 0;