From 727d4b9714434e2d8c7cb3784f297e7dddea651c Mon Sep 17 00:00:00 2001
From: Isaac Connor <iconnor@testing.internal.point-one.com>
Date: Fri, 23 Dec 2016 11:27:50 -0500
Subject: [PATCH] add tests when select returns true, but no bytes available,
 in single image mode

---
 src/zm_remote_camera_http.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/zm_remote_camera_http.cpp b/src/zm_remote_camera_http.cpp
index 3953c5e6d..c906d2d92 100644
--- a/src/zm_remote_camera_http.cpp
+++ b/src/zm_remote_camera_http.cpp
@@ -237,6 +237,15 @@ int RemoteCameraHttp::ReadData( Buffer &buffer, int bytes_expected )
     if ( total_bytes_to_read == 0 )
     {
       if( mode == SINGLE_IMAGE ) {
+    int error = 0;
+    socklen_t len = sizeof (error);
+    int retval = getsockopt (sd, SOL_SOCKET, SO_ERROR, &error, &len);
+    if(retval != 0 ) {
+      Debug( 1, "error getting socket error code %s", strerror(retval) );
+    }
+    if (error != 0) {
+      return -1;
+    }
         // Case where we are grabbing a single jpg, but no content-length was given, so the expectation is that we read until close.
 		    return( 0 );
       }