From 671b2c35947a08f7edbbd3d919d65244a14e421b Mon Sep 17 00:00:00 2001
From: Max Lapshin <max@maxidoors.ru>
Date: Tue, 19 Apr 2011 19:27:24 +0400
Subject: [PATCH] Future of new config

---
 apps/erlyvideo/src/ems_config.erl        | 10 +++++
 apps/erlyvideo/src/ems_config_lex.xrl    | 27 +++++++++++++
 apps/erlyvideo/src/ems_config_parser.yrl | 36 +++++++++++++++++
 priv/example.conf                        | 51 ++++++++++++++++++++++++
 4 files changed, 124 insertions(+)
 create mode 100644 apps/erlyvideo/src/ems_config.erl
 create mode 100644 apps/erlyvideo/src/ems_config_lex.xrl
 create mode 100644 apps/erlyvideo/src/ems_config_parser.yrl
 create mode 100644 priv/example.conf

diff --git a/apps/erlyvideo/src/ems_config.erl b/apps/erlyvideo/src/ems_config.erl
new file mode 100644
index 00000000..6a5c8425
--- /dev/null
+++ b/apps/erlyvideo/src/ems_config.erl
@@ -0,0 +1,10 @@
+-module(ems_config).
+
+-export([test/0]).
+
+
+test() ->
+  {ok, Lex, _} = ems_config_lex:string(binary_to_list(element(2,file:read_file("priv/example.conf")))),
+  io:format("Lex: ~p~n", [Lex]),
+  ems_config_parser:parse(Lex).
+
diff --git a/apps/erlyvideo/src/ems_config_lex.xrl b/apps/erlyvideo/src/ems_config_lex.xrl
new file mode 100644
index 00000000..b61a1b13
--- /dev/null
+++ b/apps/erlyvideo/src/ems_config_lex.xrl
@@ -0,0 +1,27 @@
+Definitions.
+
+D   = [0-9]
+L   = [A-Z0-9a-z_:]
+LS  = [][A-Z0-9a-z_\s%*$#@().><:/\-\+]
+WS  = ([\000-\s]|%.*)
+
+SPACE = [\s\t\r\n]+
+NAME = ([A-Z0-9a-z_]+)
+
+Rules.
+
+server : {token,{server_def,TokenLine, server}}.
+module : {token,{module_def,TokenLine, module}}.
+{D}+            : {token,{integer,TokenLine,list_to_integer(TokenChars)}}.
+%%{L}+_appender   : {token,{apender,TokenLine,list_to_atom(TokenChars)}}.
+{L}+	 	: {token,{atom,TokenLine,list_to_atom(TokenChars)}}.
+'{LS}+' 	: {token,{val,TokenLine,strip(TokenChars,TokenLen)}}.
+"{LS}+" 	: {token,{val,TokenLine,strip(TokenChars,TokenLen)}}.
+[{};]     	: {token,{list_to_atom(TokenChars),TokenLine}}.
+{WS}+		: skip_token.
+
+
+Erlang code.
+
+strip(TokenChars,TokenLen) -> 
+    lists:sublist(TokenChars, 2, TokenLen - 2).
diff --git a/apps/erlyvideo/src/ems_config_parser.yrl b/apps/erlyvideo/src/ems_config_parser.yrl
new file mode 100644
index 00000000..d391125b
--- /dev/null
+++ b/apps/erlyvideo/src/ems_config_parser.yrl
@@ -0,0 +1,36 @@
+Nonterminals servers server module section_name key_values value key_value values.
+
+Terminals '{' '}' 'server_def' 'module_def' 'integer' 'val' 'atom' ';'.
+
+Rootsymbol servers.
+
+servers -> server : ['$1'].
+servers -> module : ['$1'].
+servers -> key_value : ['$1'].
+servers -> server servers : ['$1'] ++ '$2'.
+servers -> module servers : ['$1'] ++ '$2'.
+servers -> key_value servers : ['$1'] ++ '$2'.
+
+
+section_name -> atom : unwrap('$1').
+server -> server_def section_name '{' key_values '}' : {server, '$2', '$4'}.
+module -> module_def section_name '{' key_values '}' : {'$2', '$4'}.
+
+
+key_values -> key_value : ['$1'].
+key_values -> key_value key_values : ['$1'] ++ '$2'.
+
+
+key_value -> atom values ';' : list_to_tuple([unwrap('$1')] ++ '$2').
+
+values -> value : ['$1'].
+values -> value values : ['$1'] ++ '$2'.
+
+value -> val : unwrap('$1').
+value -> integer : unwrap('$1').
+value -> atom : unwrap('$1').
+
+
+Erlang code.
+
+unwrap({_,_,V}) -> io:format("Unwrap: ~p~n", [V]), V.
diff --git a/priv/example.conf b/priv/example.conf
new file mode 100644
index 00000000..4c2abbc5
--- /dev/null
+++ b/priv/example.conf
@@ -0,0 +1,51 @@
+
+
+server default {
+  listen 1935;
+  server_name erlyvideo.org rtmp.erlyvideo.org;
+  
+  secret_key "1234";
+  
+  root "/Users/max/Movies", "/var/lib/erlyvideo/movies";
+  
+  user_limit 100;
+  
+  rtmp {
+    handlers remove_useless_prefix, trusted_login, apps_push,
+    apps_rewrite_play "http://erlyvideo.org/stream_auth",
+    apps_registrator, apps_stat_collector, apps_streaming, apps_recording, apps_sip;
+  }
+  
+  http {
+    location / {
+      handlers ems_http_rtmpt, ems_http_file registrator, ems_http_file "/Users/max/Sites/registrator/wwwroot";
+    }
+    
+    location /erlyvideo/api {
+      handlers ems_http_erlyvideo_api;
+    }
+    
+    location /shoutcast {
+      handlers ems_http_shoutcast;
+    }
+    
+    location /deskshare {
+      handlers ems_http_deskshare;
+    }
+  }
+  
+  play {
+    location / {
+      handlers rewrite, http, rtsp, ts_file, file, livestream;
+    }
+    
+    location /playlists {
+      handlers playlist_adapter "http://erlyvideo.org/playlists";
+    }
+    
+    rewrite "cam1_view" registrator_playlist '{camera,"cam1"},{public,false},{clients_timeout,0}';
+    rewrite "mpeg2" mpegts "http://erlybuild.local:4242/bynumber/1" '{clients_timeout,1}';
+    rewrite "pp3" mpegts "http://localhost:9022/" failover="http://localhost:9023",registrator=false;
+    rewrite "axis" rtsp "rtsp://root:root@axis-00408ca51334.local./axis-media/media.amp" clients_timeout=false,source_timeout=false,retry_limit=false;
+  }
+}
\ No newline at end of file