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Comments (6)

khotyn avatar khotyn commented on September 3, 2024

from sofa-tracer.

mccxj avatar mccxj commented on September 3, 2024

@khotyn 是的。

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khotyn avatar khotyn commented on September 3, 2024

@mccxj 额。。。。到底是 Spring MVC 还是直接采用 HttpClient 发起请求,这两种的支持方式是不一样的。

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mccxj avatar mccxj commented on September 3, 2024

spring mvc不是只负责接收么? 我说的是httpclient直接发起。

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guanchao-yang avatar guanchao-yang commented on September 3, 2024

@mccxj 需要把 SpanContext 放到 Request 的 Header 里面传递过来,目前的版本只提供了 Spring MVC 作为服务端接收的能力,欢迎参与贡献进来哈,我们下一步计划做掉哈。

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HuangSheng avatar HuangSheng commented on September 3, 2024

@mccxj 我自己写了个RestTemplate的拦截器,你可以参考一下,改成httpclient的拦截器或者用RestTemplate来做

public class SofaTracerClientHttpRequestInterceptor implements ClientHttpRequestInterceptor {
		
		@Override
		public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution)
				throws IOException {
			
			SofaTracerSpan clientSpan = SpringMvcTracer.getSpringMvcTracerSingleton().clientSend(
					request.getURI().toString());
			
			Map<String, String> head = new HashMap<>(1);
			clientSpan.getSofaTracer().inject(clientSpan.context(), Format.Builtin.HTTP_HEADERS,
					new TextMapInjectAdapter(head));
			HttpHeaders headers = request.getHeaders();
			for (Map.Entry<String, String> entry : head.entrySet()) {
				headers.set(entry.getKey(), entry.getValue());
			}
			
			ClientHttpResponse response = null;
			try {
				response = execution.execute(request, body);
			} finally {
				String resultCode = "";
				if (response != null) {
					resultCode = response.getStatusCode().value() + "";
				}
				SpringMvcTracer.getSpringMvcTracerSingleton().clientReceive(resultCode);
			}
			
			return response;
		}
	}

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