summaryrefslogtreecommitdiff
path: root/src/couchdb/couch_rep_att.erl
diff options
context:
space:
mode:
Diffstat (limited to 'src/couchdb/couch_rep_att.erl')
-rw-r--r--src/couchdb/couch_rep_att.erl28
1 files changed, 26 insertions, 2 deletions
diff --git a/src/couchdb/couch_rep_att.erl b/src/couchdb/couch_rep_att.erl
index 6b576a01..ee4f0184 100644
--- a/src/couchdb/couch_rep_att.erl
+++ b/src/couchdb/couch_rep_att.erl
@@ -25,7 +25,11 @@ convert_stub(#att{data=stub, name=Name} = Attachment,
qs = [{rev, couch_doc:rev_to_str({Pos,RevId})}]
},
Ref = make_ref(),
- RcvFun = fun() -> attachment_receiver(Ref, Request) end,
+ RcvFun = fun() ->
+ Bin = attachment_receiver(Ref, Request),
+ cleanup(),
+ Bin
+ end,
Attachment#att{data=RcvFun}.
cleanup() ->
@@ -34,6 +38,8 @@ cleanup() ->
%% TODO maybe log, didn't expect to have data here
cleanup();
{ibrowse_async_response_end, _} ->
+ cleanup();
+ {ibrowse_async_headers, _, _, _} ->
cleanup()
after 0 ->
erase(),
@@ -43,13 +49,27 @@ cleanup() ->
% internal funs
attachment_receiver(Ref, Request) ->
- case get(Ref) of
+ try case get(Ref) of
undefined ->
{ReqId, ContentEncoding} = start_http_request(Request),
put(Ref, {ReqId, ContentEncoding}),
receive_data(Ref, ReqId, ContentEncoding);
{ReqId, ContentEncoding} ->
receive_data(Ref, ReqId, ContentEncoding)
+ end
+ catch
+ throw:{attachment_request_failed, timeout} ->
+ case {Request#http_db.retries, Request#http_db.pause} of
+ {0, _} ->
+ ?LOG_INFO("request for ~p failed", [Request#http_db.resource]),
+ throw({attachment_request_failed, max_retries_reached});
+ {N, Pause} when N > 0 ->
+ ?LOG_INFO("request for ~p timed out, retrying in ~p seconds",
+ [Request#http_db.resource, Pause/1000]),
+ timer:sleep(Pause),
+ cleanup(),
+ attachment_receiver(Ref, Request#http_db{retries = N-1})
+ end
end.
receive_data(Ref, ReqId, ContentEncoding) ->
@@ -71,6 +91,8 @@ receive_data(Ref, ReqId, ContentEncoding) ->
{ibrowse_async_response_end, ReqId} ->
?LOG_ERROR("streaming att. ended but more data requested ~p", [ReqId]),
throw({attachment_request_failed, premature_end})
+ after 31000 ->
+ throw({attachment_request_failed, timeout})
end.
start_http_request(Req) ->
@@ -84,6 +106,8 @@ start_http_request(Req) ->
{ok, ContentEncoding, NewReqId} ->
{NewReqId, ContentEncoding}
end
+ after 10000 ->
+ throw({attachment_request_failed, timeout})
end.
validate_headers(_Req, 200, Headers) ->