protected ContextData beforeInvoke(Span spanData, Identification id) {
if (Config.BuriedPoint.PRINTF) {
easyLogger.debug(
"TraceId:"
+ spanData.getTraceId()
+ "\tParentLevelId:"
+ spanData.getParentLevel()
+ "\tLevelId:"
+ spanData.getLevelId()
+ "\tbusinessKey:"
+ spanData.getBusinessKey());
}
// 将新创建的Context存放到ThreadLocal栈中。
CurrentThreadSpanStack.push(spanData);
// 根据SpanData生成RequestSpan，并保存
CurrentThreadSpanStack.push(spanData);
sendRequestSpan(spanData, id);
// 并将当前的Context返回回去
return new ContextData(spanData);
}
private String generateSubParentLevelId(Span spanData) {
if (spanData.getParentLevel() == null || spanData.getParentLevel().length() == 0) {
return spanData.getLevelId() + "";
}
return spanData.getParentLevel() + "." + spanData.getLevelId();
}
public ContextData beforeInvoke(Identification id) {
try {
Span spanData = ContextGenerator.generateSpanFromThreadLocal(id);
// 设置SpanType的类型
spanData.setTag(Tag.SPAN_TYPE, SpanType.RPC_CLIENT);
if (Config.BuriedPoint.PRINTF) {
logger.debug(
"TraceId:"
+ spanData.getTraceId()
+ "\tParentLevelId:"
+ spanData.getParentLevel()
+ "\tLevelId:"
+ spanData.getLevelId()
+ "\tbusinessKey:"
+ spanData.getBusinessKey());
}
CurrentThreadSpanStack.push(spanData);
sendRequestSpan(spanData, id);
return new ContextData(
spanData.getTraceId(), generateSubParentLevelId(spanData), spanData.getRouteKey());
} catch (Throwable t) {
logger.error(t.getMessage(), t);
return new EmptyContextData();
}
}
protected void occurException(Throwable th) {
try {
if (exclusiveExceptionSet == null) {
Set<String> exclusiveExceptions = new HashSet<String>();
String[] exceptions = Config.BuriedPoint.EXCLUSIVE_EXCEPTIONS.split(EXCEPTION_SPLIT);
for (String exception : exceptions) {
exclusiveExceptions.add(exception);
}
exclusiveExceptionSet = exclusiveExceptions;
}
Span span = CurrentThreadSpanStack.peek();
span.handleException(
th, exclusiveExceptionSet, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
} catch (Throwable t) {
easyLogger.error(t.getMessage(), t);
}
}
protected void afterInvoke() {
try {
// 弹出上下文的栈顶中的元素
Span spanData = CurrentThreadSpanStack.pop();
if (Config.BuriedPoint.PRINTF) {
easyLogger.debug(
"TraceId-ACK:"
+ spanData.getTraceId()
+ "\tParentLevelId:"
+ spanData.getParentLevel()
+ "\tLevelId:"
+ spanData.getLevelId()
+ "\tbusinessKey:"
+ spanData.getBusinessKey());
}
sendAckSpan(spanData);
} catch (Throwable t) {
easyLogger.error(t.getMessage(), t);
}
}
protected void sendRequestSpan(Span span, Identification id) {
RequestSpan.Builder requestSpanBuilder = span.buildRequestSpan(RequestSpan.newBuilder());
if (id.getBusinessKey() != null && id.getBusinessKey().length() > 0) {
requestSpanBuilder = requestSpanBuilder.setBusinessKey(id.getBusinessKey());
}
RequestSpan requestSpan =
requestSpanBuilder
.setViewPointId(id.getViewPoint())
.setSpanTypeDesc(id.getSpanTypeDesc())
.setCallType(id.getCallType())
.setProcessNo(BuriedPointMachineUtil.getProcessNo())
.setAddress(BuriedPointMachineUtil.getHostDesc())
.build();
RequestSpanDisruptor.INSTANCE.ready2Send(requestSpan);
}
protected void sendAckSpan(Span span) {
AckSpan ackSpan = span.buildAckSpan(AckSpan.newBuilder()).build();
AckSpanDisruptor.INSTANCE.ready2Send(ackSpan);
}