get things mostly working..

the performance is ok, but likely can be improved upon:
libcurl seems to not reuse connections, why not?
libcurl when using any auth, ALWAYS tries unauth'd for EVERY
  request instead of caching that this url NEEDs auth
there are some error handling cases that could be improved

ggatehttp/Makefile

@@ -9,7 +9,11 @@ SRCS=	ggatehttp.c ggate.c
 CFLAGS+= -DMAX_SEND_SIZE=32768
 CFLAGS+= -DLIBGEOM
 CFLAGS+= -I${.CURDIR:H}/shared
+CFLAGS+= -I/usr/local/include
+#CFLAGS+= -O0
+#CFLAGS+= -fprofile-instr-generate
 
-LDADD=	-lgeom -lutil -lpthread
+LDFLAGS+= -L/usr/local/lib
+LDADD=	-lgeom -lutil -lpthread -lcurl
 
 .include <bsd.prog.mk>

tests/ggatehttp_test.sh

@@ -1,8 +1,8 @@
 # $FreeBSD$
 
 PIDFILE=ggated.pid
-TESTURL=http://127.0.0.1:5555/somefile
-TESTFILE=/home/freebsd/lf.test/webdav/data/somefile
+TESTURL="$GGATEHTTP_URL"
+TEMPFILE="random.data"
 
 atf_test_case ggatehttp cleanup
 ggatehttp_head()
@@ -19,8 +19,10 @@ ggatehttp_body()
 	us=$(alloc_ggate_dev)
 	src=$(alloc_md)
 
+	n1mchunks=10
+
 	atf_check -e ignore -o ignore \
-	    dd if=/dev/random of="$TESTFILE" bs=1m count=1 conv=notrunc
+	    dd if=/dev/random of="$TEMPFILE" bs=1m count=$n1mchunks conv=notrunc
 
 	atf_check ggatehttp create -u $us "$TESTURL"
 
@@ -28,20 +30,20 @@ ggatehttp_body()
 
 	wait_for_ggate_device ${ggate_dev}
 
-	# Test reading
+	# Test writing
 	atf_check -e ignore -o ignore \
-	    dd if=${ggate_dev} of=/dev/${src} bs=1m count=1 conv=notrunc
-
-	checksum /dev/$src "$TESTFILE"
+	    dd if="$TEMPFILE" of=${ggate_dev} bs=1m count=$n1mchunks conv=notrunc
 
+	# Test reading
 	atf_check -e ignore -o ignore \
-	    dd if=/dev/random of=/dev/${src} bs=1m count=1 conv=notrunc
+	    dd of="$TEMPFILE"2 if=${ggate_dev} bs=1m count=$n1mchunks conv=notrunc
 
-	# Test writing
-	atf_check -e ignore -o ignore \
-	    dd if=/dev/${src} of=${ggate_dev} bs=1m count=1 conv=notrunc
+	ls -l "$TEMPFILE" "$TEMPFILE"2
+
+	# Verify that we read what we wrote
+	atf_check cmp "$TEMPFILE" "$TEMPFILE"2
 
-	checksum /dev/$src "$TESTFILE"
+	rm "$TEMPFILE" "$TEMPFILE"2
 }
 
 ggatehttp_cleanup()