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Publisher channel #43

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Publisher channel #43

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1937b6f
turtle_publisher: add guards to mk_publish/5
Ledest Jun 19, 2019
cd187ed
turtle_publisher: add channel monitoring
Ledest Jun 22, 2019
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7 changes: 6 additions & 1 deletion src/turtle_publisher.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -221,6 +221,7 @@ handle_info({gproc, Ref, registered, {_, Pid, _}}, {initializing, N, Ref, CName,
ok = handle_confirms(Channel, Options),
{ok, ReplyQueue, Tag} = handle_rpc(Channel, Options),
ConnMRef = monitor(process, Pid),
_ = monitor(process, Channel),
reg(N),
{noreply,
#state {
Expand All @@ -240,6 +241,7 @@ handle_info({gproc, Ref, registered, {_, Pid, _}}, {initializing_takeover, N, Re
ok = handle_confirms(Channel, Options),
{ok, ReplyQueue, Tag} = handle_rpc(Channel, Options),
ConnMRef = monitor(process, Pid),
_ = monitor(process, Channel),
case where(N) of
undefined ->
reg(N);
Expand Down Expand Up @@ -274,6 +276,8 @@ handle_info({channel_closed, Ch, Reason}, #state { channel = Ch } = State) ->
{stop, Exit, State};
handle_info({'DOWN', MRef, process, _, Reason}, #state { conn_ref = MRef } = State) ->
{stop, {error, {connection_down, Reason}}, State};
handle_info({'DOWN', _, process, Pid, Reason}, #state { channel = Pid } = State) ->
{stop, {error, {channel_died, Reason}}, State};
handle_info({'DOWN', MRef, process, _, _Reason}, #state { in_flight = IF } = State) ->
%% Remove in-flight monitor if the RPC caller goes away
{noreply, State#state { in_flight = track_cancel_monitor(MRef, IF) }};
Expand Down Expand Up @@ -352,7 +356,8 @@ properties(ContentType, #{}) ->
#'P_basic' { content_type = ContentType }.

%% Create a new publish package
mk_publish(Exch, Key, ContentType, IODataPayload, Opts) ->
mk_publish(Exch, Key, ContentType, IODataPayload, Opts) when is_binary(Exch), is_binary(Key),
ContentType =:= undefined orelse is_binary(ContentType) ->
Pub = #'basic.publish' {
exchange = Exch,
routing_key = Key
Expand Down