Reuse http_network library.

Reintroduced HTTPD_STREAM_SOCKET for backward compatibility, and ease of usage.
Added websocket libraries (client, and protocol).

library/network/websocket/client/src/ssl/web_socket_client.e

@@ -0,0 +1,54 @@
+note
+	description: "[
+		API to perform actions like opening and closing the connection, sending and receiving messages, and listening
+		for events triggered by the server
+	]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+deferred class
+	WEB_SOCKET_CLIENT
+
+inherit
+	WEB_SOCKET_CLIENT_I
+
+feature -- Status report
+
+	is_ssl_supported: BOOLEAN = True
+
+feature -- Factory
+
+	new_socket (a_port: INTEGER; a_host: STRING): HTTP_STREAM_SOCKET
+		local
+			l_ssl: HTTP_STREAM_SSL_SOCKET
+		do
+			if is_tunneled then
+				create l_ssl.make_client_by_port (a_port, a_host)
+				Result := l_ssl
+				if attached ssl_protocol as l_prot then
+					if l_prot.is_case_insensitive_equal ("ssl_2_3") then
+						l_ssl.set_ssl_protocol_to_ssl_2_or_3
+					elseif l_prot.is_case_insensitive_equal ("tls_1_0") then
+						l_ssl.set_ssl_protocol_to_tls_1_0
+					elseif l_prot.is_case_insensitive_equal ("tls_1_1") then
+						l_ssl.set_ssl_protocol_to_tls_1_1
+					elseif l_prot.is_case_insensitive_equal ("tls_1_2") then
+						l_ssl.set_ssl_protocol_to_tls_1_2
+					elseif l_prot.is_case_insensitive_equal ("dtls_1_0") then
+						l_ssl.set_ssl_protocol_to_dtls_1_0
+					else -- Default
+						l_ssl.set_ssl_protocol_to_tls_1_2
+					end
+				end
+				if attached ssl_key_file as k then
+					l_ssl.set_key_file_path (k)
+				end
+				if attached ssl_certificate_file as c then
+					l_ssl.set_certificate_file_path (c)
+				end
+			else
+				create {HTTP_STREAM_SOCKET} Result.make_client_by_port (a_port, a_host)
+			end
+		end
+
+end