add toml config support

config-example.toml

@@ -6,20 +6,20 @@
 ###################################
 #         Global settings         #
 ###################################
-http_port = 8080
-https_port = 8443
+# Both or either one of http/https ports must be specified
+listen_port = 8080
+listen_port_tls = 8443
 
 ###################################
 #         Backend settings        #
 ###################################
+[application]
 
-[[application]]
-app_name = 'localhost' # this should be option, if null then same as server_name
-hostname = 'localhost'
-https_redirection = true
+[apps.localhost]
+server_name = 'localhost'
 reverse_proxy = [
   # default destination if path is not specified
-  # TODO: Array for load balancing
+  # Array for load balancing
   { upstream = [
     { location = 'www.google.com', tls = true },
     { location = 'www.google.co.jp', tls = true },
@@ -29,18 +29,13 @@ reverse_proxy = [
     { location = 'www.bing.co.jp', tls = true },
   ] },
 ]
+tls = { https_redirection = true, tls_cert_path = 'localhost.pem', tls_cert_key_path = 'localhost.pem' }
+
+
 ## List of destinations to send data to.
 ## At this point, round-robin is used for load-balancing if multiple URLs are specified.
 # allowhosts = ['127.0.0.1', '::1', '192.168.10.0/24'] # TODO
 # denyhosts = ['*'] # TODO
-tls_cert_path = 'localhost.pem'
-tls_cert_key_path = 'localhost.pem'
-
-
-[[application]]
-app_name = 'locahost_application'
-hostname = 'localhost.localdomain'
-https_redirection = true
+[apps.another_localhost]
+server_name = 'localhost.localdomain'
 reverse_proxy = [{ upstream = [{ location = 'www.google.com', tls = true }] }]
-tls_cert_path = 'localhost.pem'
-tls_cert_key_path = 'localhost.pem'