commit | 6b7d228d913cbf8cdc8941d4d340d101419f6577 | [log] [tgz] |
---|---|---|
author | Takeru Ohta <phjgt308@gmail.com> | Sat Oct 28 18:28:25 2017 +0900 |
committer | Takeru Ohta <phjgt308@gmail.com> | Sat Oct 28 18:28:25 2017 +0900 |
tree | 5aa16b6f8eb7350c6338e0dc7a67900704c11638 | |
parent | 2c9a2fabb674b3bd3a575f36344ffa06b20376f7 [diff] |
Add `error_if_exception` option
OpenTraceing API for Erlang
%% Registers `tracer` Context = passage_span_context_null, Sampler = passage_sampler_all:new(), Reporter = passage_reporter_process:new(self(), span), ok = passage_tracer_registry:register(tracer, Context, Sampler, Reporter), %% Starts a root span RootSpan = passage:start_span(example_root, [{tracer, tracer}]), %% Starts a child span ChildSpan = passage:start_span(example_child, [{child_of, RootSpan}]), %% Finishes spans passage:finish_span(ChildSpan), passage:finish_span(RootSpan), %% Receives the finished spans receive {span, FinishedChildSpan} -> ok end, receive {span, FinishedRootSpan} -> ok end.
%% Registers `tracer` Context = passage_span_context_null, Sampler = passage_sampler_all:new(), Reporter = passage_reporter_process:new(self(), span), ok = passage_tracer_registry:register(tracer, Context, Sampler, Reporter), %% Starts a root span ok = passage_pd:start_span(example_root, [{tracer, tracer}]), %% Starts a child span ok = passage_pd:start_span(example_child), %% Finishes spans passage_pd:finish_span(), % child passage_pd:finish_span(), % root %% Receives the finished spans receive {span, FinishedChildSpan} -> ok end, receive {span, FinishedRootSpan} -> ok end.
-module(example). -compile({parse_transform, passage_transform}). % Enables `passage_transform' -passage_trace([{tags, #{foo => bar}}, {eval_tags, #{size => "byte_size(Bin)"}}]). -spec foo(binary()) -> binary(). foo(Bin) -> <<"foo", Bin/binary>>.
The above foo
function will be transformed as follows:
foo(Bin) -> try passage_pd:start_span( 'example:foo/1', [{tags, #{application => example, module => example, lien => 7, foo => bar}}]), passage_pd:set_tags(#{process => self(), size => byte_size(Bin)}), <<"foo", Bin/binary>> after passage_pd:finish_span() end.