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Try to restart failed downstream even when there are pending connections

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Sergey Prokhorov 2019-08-29 19:25:16 +02:00
parent 00c0bd038f
commit 7366135d7a
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GPG key ID: 1C570244E4EF3337
1 changed files with 5 additions and 7 deletions
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12
src/mtp_dc_pool.erl
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@ -204,11 +204,12 @@ handle_down(MonRef, Pid, Reason, #state{downstreams = Ds,
end
end.
maybe_restart_connection(#state{pending_downstreams = [],
maybe_restart_connection(#state{pending_downstreams = Pending,
downstream_monitors = DsM} = St) ->
MinConnections = application:get_env(?APP, init_dc_connections, ?DEFAULT_INIT_CONNS),
OpenConnections = map_size(DsM),
case OpenConnections < MinConnections of
NumOpen = map_size(DsM),
NumPending = length(Pending),
case (NumOpen + NumPending) < MinConnections of
true ->
%% We have less than minimum connections. Just spawn new one
connect(St);
@ -216,10 +217,7 @@ maybe_restart_connection(#state{pending_downstreams = [],
%% We have more than minimum connections.
%% Don't spawn anything, because it will be done on-demand
St
end;
maybe_restart_connection(St) ->
%% We already have pending connections. Just wait for them to complete
St.
end.
maybe_spawn_connection(CurrentMin, #state{pending_downstreams = Pending} = St) ->