diff options
| -rw-r--r-- | src/chttpd/src/chttpd.erl | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/chttpd/src/chttpd.erl b/src/chttpd/src/chttpd.erl index 4d32c03c5..fb227aea3 100644 --- a/src/chttpd/src/chttpd.erl +++ b/src/chttpd/src/chttpd.erl @@ -238,6 +238,8 @@ handle_request_int(MochiReq) -> erlang:put(dont_log_request, true), erlang:put(dont_log_response, true), + maybe_trace_fdb(MochiReq:get_header_value("x-couchdb-fdb-trace")), + {HttpReq2, Response} = case before_request(HttpReq0) of {ok, HttpReq1} -> process_request(HttpReq1); @@ -1214,6 +1216,22 @@ get_user(#httpd{user_ctx = #user_ctx{name = User}}) -> get_user(#httpd{user_ctx = undefined}) -> "undefined". +maybe_trace_fdb("true") -> + % Remember to also enable tracing in erlfdb application environment: + % network_options = [{trace_enable, ...}] + % Or via the OS environment variable: + % FDB_NETWORK_OPTION_TRACE_ENABLE = "" + case config:get_boolean("fabric", "fdb_trace", false) of + true -> + Nonce = erlang:get(nonce), + erlang:put(erlfdb_trace, list_to_binary(Nonce)); + false -> + ok + end; +maybe_trace_fdb(_) -> + ok. + + -ifdef(TEST). -include_lib("eunit/include/eunit.hrl"). |