comms:http:server: Add debug information for tests

Add some snippets to use curl to test the server's node

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>

src/samples/flow/http-server/boolean.fbp

@@ -29,6 +29,16 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+
+# To make a post
+# curl --data "value=true" http://localhost:80/boolean -v
+#
+# To make a get and ask for the response be a json
+# curl -H "Accept:application/json"  http://localhost:80/boolean -v
+#
+# To get only if the value has changed since Mon, 17 Aug 2015 15:05:38 GMT
+# curl  -H "If-Since-Modified:Mon, 17 Aug 2015 15:05:38 GMT"  http://localhost:80/boolean -v
+
 # Reads key 'a' (code 97) from keyboard (stdin) and toggles state,
 
 keyboard(keyboard/boolean:binary_code=97,toggle=true) OUT -> IN boolean(http-server/boolean:path=/boolean,value=false)

src/samples/flow/http-server/drange.fbp

@@ -29,5 +29,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# To make a post
+# curl --data "value=10.2&min=3.4&max=100.000&step=1.1" http://localhost:80/drange -v
+#
+# To make a get and ask for the response be a json
+# curl -H "Accept:application/json"  http://localhost:80/drange -v
+#
+# To get only if the value has changed since Mon, 17 Aug 2015 15:05:38 GMT
+# curl  -H "If-Since-Modified:Mon, 17 Aug 2015 15:05:38 GMT"  http://localhost:80/drange -v
 drange(http-server/float:path=/drange,value=val:1.0|min:0|max:100.2|step:1.2)
 drange OUT -> IN console(console)

src/samples/flow/http-server/irange.fbp

@@ -29,5 +29,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# To make a post
+# curl --data "value=10&min=3&max=100&step=1" http://localhost:80/irange -v
+#
+# To make a get and ask for the response be a json
+# curl -H "Accept:application/json"  http://localhost:80/irange -v
+#
+# To get only if the value has changed since Mon, 17 Aug 2015 15:05:38 GMT
+# curl  -H "If-Since-Modified:Mon, 17 Aug 2018 15:05:38 GMT"  http://localhost:80/irange -v
 irange(http-server/int:path=/irange,value=val:1|min:0|max:100|step:1)
 irange OUT -> IN console(console)

src/samples/flow/http-server/string.fbp

@@ -29,5 +29,13 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# To make a post
+# curl --data "value=Hello World" http://localhost:80/string -v
+#
+# To make a get and ask for the response be a json
+# curl -H "Accept:application/json"  http://localhost:80/string -v
+#
+# To get only if the value has changed since Mon, 17 Aug 2015 15:05:38 GMT
+# curl  -H "If-Since-Modified:Mon, 17 Aug 2018 15:05:38 GMT"  http://localhost:80/string -v
 string(http-server/string:path=/string,value="Hello, Server")
 string OUT -> IN console(console)