- What can be traced?
- How can trace events be specified?
- "match specifications": twisty passages, all alike
- WTF, can I just use DTrace and drink my coffee/beer/whisky in peace?
- Trace delivery mechanisms: pick one of two
yongboy
slfritchie
/ presentation.md
Created
March 18, 2014 09:22
Erlang tracing, for the Riak source code reading series, 2014-03-18, Tokyo, Japan
andelf
/ dns_proxy_srv.erl
Last active
December 16, 2015 09:18
erlang dns proxy, with long ttl and persistant etc table cache.
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| %%%------------------------------------------------------------------- | |
| %%% @author <andelf@gmail.com> | |
| %%% @copyright (C) 2013, | |
| %%% @doc | |
| %%% | |
| %%% @end | |
| %%% Created : 18 Apr 2013 by <andelf@gmail.com> | |
| %%%------------------------------------------------------------------- | |
| -module(dns_proxy_srv). |
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| DEPS = $(CURDIR)/deps | |
| DIALYZER_OPTS = -Wunderspecs | |
| # List dependencies that should be included in a cached dialyzer PLT file. | |
| # DIALYZER_DEPS = deps/app1/ebin \ | |
| # deps/app2/ebin | |
| DEPS_PLT = {{name}}.plt |
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| -module(shout). | |
| -export([start/0]). | |
| -import(lists, [map/2, reverse/1]). | |
| -define(CHUNKSIZE, 24576). | |
| start() -> | |
| spawn(fun() -> | |
| start_parallel_server(9000), | |
| %% now go to sleep - otherwise the listening socket will be closed |
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| /** | |
| * 在线画报socket.io服务器端示范 | |
| * | |
| * @author yongboy | |
| * @time 2012-3-27 | |
| * @version 1.0 | |
| */ | |
| public class WhiteboardServer { | |
| public static void main(String[] args) { | |
| MainServer chatServer = new MainServer(new WhiteboardHandler(), 80); |
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| /** | |
| * 定义中文字符Unicode编码范围 | |
| */ | |
| private static final String CN_PATTERN = "[\\u4e00-\\u9fbb]+"; | |
| public static final String subCnString(String str, int targetLen) { | |
| if (str == null || str.equals("")) | |
| return str; | |
| if (targetLen < 1) |