Updated a few classes from http_client to use nanoseconds as timeout precision.

Fixed typo in comments.

library/network/http_client/src/http_client_request.e

@@ -157,7 +157,7 @@ feature -- Settings
 		end
 
 	connect_timeout: INTEGER
-			-- HTTP connection timeout in seconds.
+			-- HTTP connection timeout in milliseconds.
 			--| 0 means it nevers timeout			
 		do
 			Result := session.connect_timeout
@@ -208,7 +208,7 @@ feature -- Settings
 		end
 
 note
-	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2018, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software

library/network/http_client/src/spec/net/net_http_client_request.e

@@ -64,7 +64,7 @@ feature {NONE} -- Internal
 					create Result.make_client_by_port (a_port, a_host)
 				end
 				Result.set_connect_timeout (connect_timeout)
-				Result.set_timeout (timeout)
+				Result.set_timeout_ns (Result.seconds_to_nanoseconds (timeout))
 				Result.connect
 			end
 		end
@@ -887,7 +887,7 @@ feature {NONE} -- Helpers
 
 invariant
 note
-	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2018, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software

library/server/httpd/httpd_request_handler_i.e

@@ -13,6 +13,8 @@ inherit
 
 	HTTPD_SOCKET_FACTORY
 
+	SOCKET_TIMEOUT_UTILITIES
+
 feature {NONE} -- Initialization
 
 	make (a_request_settings: HTTPD_REQUEST_SETTINGS)
@@ -149,16 +151,16 @@ feature -- Settings
 			-- note: it is relevant only if `is_persistent_connection_supported' is True.
 
 	timeout_ns: NATURAL_64 -- nanoseconds
-			-- Amount of seconds that the server waits for receipts and transmissions during communications.
+			-- Amount of nanoseconds that the server waits for receipts and transmissions during communications.
 
 	socket_recv_timeout_ns: NATURAL_64 -- nanoseconds
-			-- Amount of seconds that the server waits for receiving data on socket during communications.
+			-- Amount of nanoseconds that the server waits for receiving data on socket during communications.
 
 	max_keep_alive_requests: INTEGER
 			-- Maximum number of requests allowed per persistent connection.
 
 	keep_alive_timeout_ns: NATURAL_64 -- nanoseconds
-			-- Number of seconds for persistent connection timeout.
+			-- Number of nanoseconds for persistent connection timeout.
 
 feature -- Status report
 
@@ -303,13 +305,13 @@ feature -- Execution
 				end
 
 					-- Try to get request header.
-					-- If the request is reusing persistent connection, use `keep_alive_timeout',
+					-- If the request is reusing persistent connection, use `keep_alive_timeout_ns',
-					-- otherwise `socket_recv_timeout'.
+					-- otherwise `socket_recv_timeout_ns'.
 				get_request_header (l_socket, a_is_reusing_connection)
 
 				if has_error then
 					if a_is_reusing_connection and then request_header.is_empty then
-							-- Close persistent connection, since no new connection occurred in the delay `keep_alive_timeout'.
+							-- Close persistent connection, since no new connection occurred in the delay `keep_alive_timeout_ns'.
 						debug ("dbglog")
 							dbglog ("execute_request socket=" + l_socket.descriptor.out + "} close persistent connection.")
 						end