moonming commented on a change in pull request #10: used the nginx lua code
style.
URL:
https://github.com/apache/skywalking-nginx-lua/pull/10#discussion_r387708479
##########
File path: lib/skywalking/span.lua
##########
@@ -120,210 +121,202 @@ function Span:createExitSpan(operationName, context,
parent, peer, contextCarrie
end
entryServiceInstanceId = context.service_inst_id
end
-
+
injectableRef.entry_service_instance_id = entryServiceInstanceId
injectableRef.parent_service_instance_id = context.service_inst_id
injectableRef.entry_endpoint_name = entryEndpointName
injectableRef.entry_endpoint_id = entryEndpointId
local parentEndpointName
local parentEndpointId = -1
-
+
if firstSpan.is_entry then
parentEndpointName = firstSpan.operation_name
parentEndpointId = 0
end
injectableRef.parent_endpoint_name = parentEndpointName
injectableRef.parent_endpoint_id = parentEndpointId
- contextCarrier[CONTEXT_CARRIER_KEY] = injectableRef:serialize()
+ contextCarrier[CONTEXT_CARRIER_KEY] =
SegmentRef.serialize(injectableRef)
end
return span
end
--- Create an local span. Local span is usually not used.
+-- Create an local span. Local span is usually not used.
-- Typically, only one entry span and one exit span in the Nginx tracing
segment.
-function Span:createLocalSpan(operationName, context, parent)
- local span = self:new(operationName, context, parent)
+function _M.createLocalSpan(operationName, context, parent)
+ local span = _M.new(operationName, context, parent)
return span
end
-- Create a default span.
-- Usually, this method wouldn't be called by outside directly.
-- Read newEntrySpan, newExitSpan and newLocalSpan for more details
-function Span:new(operationName, context, parent)
- local o = {}
- setmetatable(o, self)
- self.__index = self
-
- o.operation_name = operationName
- o.span_id = context.internal:nextSpanID()
-
+function _M.new(operationName, context, parent)
+ local span = _M.newNoOP()
+ span.is_noop = false
+
+ span.operation_name = operationName
+ span.span_id = context.internal.nextSpanID(context.internal)
+
if parent == nil then
-- As the root span, the parent span id is -1
- o.parent_span_id = -1
+ span.parent_span_id = -1
else
- o.parent_span_id = parent.span_id
- end
-
- context.internal:addActive(o)
- -- o.start_time = Util.timestamp()
- o.refs = {}
- o.owner = context
-
- return o
-end
+ span.parent_span_id = parent.span_id
+ end
-function Span:newNoOP()
- local o = {}
- setmetatable(o, self)
- self.__index = self
+ context.internal.addActive(context.internal, span)
+ -- span.start_time = Util.timestamp()
+ span.refs = {}
+ span.owner = context
- o.is_noop = true
- return o
+ return span
end
-function SpanProtocol:new()
- local o = {}
- setmetatable(o, self)
- self.__index = self
-
- return o
+function _M.newNoOP()
+ return {
+ layer = spanLayer.NONE,
+ is_entry = false,
+ is_exit = false,
+ error_occurred = false,
+ is_noop = true
Review comment:
copy from
https://github.com/apache/skywalking-nginx-lua/blob/master/lib/skywalking/span.lua#L24-L42.
Is a new op span needs these values?
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