Improved networking implementation for httpd server and sockets.

Use new EiffelNet routines that do not raise exception on error.
Made compilable with 16.05 and dev-and-upcoming release 16.11.
Fixed various minor issues related to base_url, and added comments.

library/server/ewsgi/connectors/standalone/src/wgi_standalone_connector.e

@@ -35,10 +35,10 @@ feature {NONE} -- Initialization
 			initialize_server (server)
 		end
 
-	make_with_base (a_base: like base)
+	make_with_base (a_base: detachable separate READABLE_STRING_8)
 			-- Create current standalone connector with base url `a_base'
 		require
-			a_base_starts_with_slash: (a_base /= Void and then not a_base.is_empty) implies a_base.starts_with ("/")
+			a_base_starts_with_slash: a_base /= Void implies is_valid_base (a_base)
 		do
 			make
 			set_base (a_base)
@@ -109,7 +109,8 @@ feature -- Status report
 feature -- Callbacks
 
 	on_launched_actions: ACTION_SEQUENCE [TUPLE [WGI_STANDALONE_CONNECTOR [WGI_EXECUTION]]]
-			-- Actions triggered when launched
+			-- Actions triggered when launched.
+			-- WARNING: only supported for now with SCOOP concurrency mode. [2016-oct-07]
 
 feature -- Event
 
@@ -123,16 +124,25 @@ feature -- Event
 
 feature -- Element change
 
-	set_base (v: like base)
+	set_base (v: detachable separate READABLE_STRING_8)
 			-- Set base url `base' to `v'.
 		require
-			b_starts_with_slash: (v /= Void and then not v.is_empty) implies v.starts_with ("/")
+			b_starts_with_slash: (v /= Void and then not v.is_empty) implies is_valid_base (v)
 		do
-			base := v
+			if v = Void then
+				base := Void
+			else
+				create {STRING_8} base.make_from_separate (v)
+			end
 		ensure
 			valid_base: (attached base as l_base and then not l_base.is_empty) implies l_base.starts_with ("/")
 		end
 
+	is_valid_base (v: separate READABLE_STRING_8): BOOLEAN
+		do
+			Result := not v.is_whitespace and then v[1] = '/'
+		end
+
 	set_port_number (a_port_number: INTEGER)
 			-- Set port number to `a_port_number'.
 		require
@@ -141,6 +151,13 @@ feature -- Element change
 			set_port_on_configuration (a_port_number, configuration)
 		end
 
+	set_socket_recv_timeout (a_nb_seconds: INTEGER)
+		require
+			a_nb_seconds_positive_or_zero: a_nb_seconds >= 0
+		do
+			set_socket_recv_timeout_on_configuration (a_nb_seconds, configuration)
+		end
+
 	set_max_concurrent_connections (nb: INTEGER)
 			-- Set maximum concurrent connections to `nb'.
 		require
@@ -189,12 +206,12 @@ feature -- Events
 		require
 			obs.started -- SCOOP wait condition.
 		do
+				-- FIXME: this works only with SCOOP concurrency mode. [2016-oct-07]
 			if obs.port > 0 then
 				on_launched (obs.port)
 			end
 		end
 
-
 feature {NONE} -- Implementation
 
 	server_controller (a_server: like server): separate HTTPD_CONTROLLER
@@ -238,6 +255,11 @@ feature {NONE} -- Implementation: element change
 			cfg.set_http_server_port (a_port_number)
 		end
 
+	set_socket_recv_timeout_on_configuration (a_nb_seconds: INTEGER; cfg: like configuration)
+		do
+			cfg.set_socket_recv_timeout (a_nb_seconds)
+		end
+
 	set_max_concurrent_connections_on_configuration (nb: INTEGER; cfg: like configuration)
 		do
 			cfg.set_max_concurrent_connections (nb)

library/server/ewsgi/connectors/standalone/src/wgi_standalone_output_stream.e

@@ -75,23 +75,23 @@ feature -- Output
 			-- Send `s' to http client
 		do
 			last_target_call_succeed := False
-			target.put_readable_string_8 (s)
-			last_target_call_succeed := True
+			target.put_readable_string_8_noexception (s)
+			last_target_call_succeed := not target.was_error
 		end
 
 	put_string (s: READABLE_STRING_8)
 			-- Send `s' to http client
 		do
 			last_target_call_succeed := False
-			target.put_readable_string_8 (s)
-			last_target_call_succeed := True
+			target.put_readable_string_8_noexception (s)
+			last_target_call_succeed := not target.was_error
 		end
 
 	put_character (c: CHARACTER_8)
 		do
 			last_target_call_succeed := False
 			target.put_character (c)
-			last_target_call_succeed := True
+			last_target_call_succeed := not target.was_error
 		end
 
 feature -- Status report
@@ -116,7 +116,7 @@ feature -- Basic operations
 		end
 
 note
-	copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
+	copyright: "2011-2016, Jocelyn Fiat, Javier Velilla, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software