Use granderl

.gitignore

@@ -1,3 +1,4 @@
+*.beam
 doc/README.md
 erl_crash.dump
 fprofx.*

include/shackle_internal.hrl

@@ -12,7 +12,7 @@
 -define(DEFAULT_BACKLOG_SIZE, 1024).
 -define(DEFAULT_IP, "127.0.0.1").
 -define(DEFAULT_POOL_SIZE, 16).
--define(DEFAULT_POOL_STRATEGY, round_robin).
+-define(DEFAULT_POOL_STRATEGY, random).
 -define(DEFAULT_PROTOCOL, shackle_tcp).
 -define(DEFAULT_RECONNECT, true).
 -define(DEFAULT_RECONNECT_MAX, timer:minutes(2)).

rebar.config

@@ -2,6 +2,11 @@
 {coveralls_coverdata, "_build/test/cover/eunit.coverdata"}.
 {coveralls_service_name, "travis-ci"}.
 
+{deps, [
+  {granderl, ".*",
+    {git, "https://github.com/lpgauth/granderl.git", {branch, "adgear"}}}
+]}.
+
 {edoc_opts, [
   {app_default, "http://www.erlang.org/doc/man"},
   {doclet, edown_doclet},
@@ -19,6 +24,11 @@
   {platform_define, "19", 'UDP_HEADER'}
 ]}.
 
+{plugins, [
+  {pc, ".*",
+    {git, "https://github.com/blt/port_compiler.git", {branch, "master"}}}
+]}.
+
 {profiles, [
   {compile, [
     {erl_opts, [
@@ -35,7 +45,8 @@
   ]},
   {edoc, [
     {deps, [
-      {edown, {git, "https://github.com/uwiger/edown.git", {tag, "0.7"}}}
+      {edown,
+        {git, "https://github.com/uwiger/edown.git", {tag, "0.7"}}}
     ]}
   ]},
   {test, [

rebar.lock

@@ -1 +1,4 @@
-[].
+[{<<"granderl">>,
+  {git,"https://github.com/lpgauth/granderl",
+       {ref,"2ccc96f29a34c5dc097d2e349f9ffe128bc7950d"}},
+  0}].

src/shackle_utils.erl

@@ -43,7 +43,7 @@ lookup(Key, List, Default) ->
     non_neg_integer().
 
 random(N) ->
-    erlang:phash2({self(), os:timestamp()}, N).
+    granderl:xorshift_tls(N).
 
 -spec random_element([term()]) ->
     term().