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Enable discovery of cluster nodes through DNS SRV #1337

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Enable discovery of cluster nodes through DNS SRV #1337

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f3a2fb1
Enable discovery of cluster nodes through DNS SRV
kocolosk Jan 13, 2018
ee62a92
Clearly a bit rusty
kocolosk Jan 15, 2018
967d1b0
Merge branch 'master' into dns-cluster-discovery
kocolosk May 24, 2018
54edac9
Merge branch 'master' into dns-cluster-discovery
wohali Aug 6, 2018
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Clearly a bit rusty
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@kocolosk
kocolosk committed Jan 15, 2018
commit ee62a92d46db8b69a09dc90a17f5f261510a6ec9
6 changes: 3 additions & 3 deletions src/mem3/src/mem3_dns.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -47,21 +47,21 @@ handle_call(_Call, _From, State) ->
{reply, ok, State}.

handle_cast(discover_peers, #state{max_tries = 0} = State) ->
{ok, State};
{noreply, State};

handle_cast(discover_peers, St) ->
case query_dns(St#state.record_name) of
{ok, Hostnames} ->
add_nodes(Hostnames),
{ok, St#state{discovered_names = Hostnames}};
{noreply, St#state{discovered_names = Hostnames}};
{error, Error} ->
#state{max_tries = Max, timeout = Timeout} = St,
NewSt = St#state{
last_error = Error,
max_tries = Max-1,
timeout = 2*Timeout
},
{ok, NewSt, Timeout}
{noreply, NewSt, Timeout}
end.

handle_info(timeout, State) ->
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