新增：HttpManager.get对于WebException的处理

fengyunhai · fengyunhai · commit 78a39bb185ed · 2016-12-15T17:40:02.000+08:00
BucketManager.stat等操作调用到HttpManager.get方法，如果出现错误(如502错误)能够及时被处理。
diff --git a/Qiniu/Http/HttpManager.cs b/Qiniu/Http/HttpManager.cs
@@ -55,6 +55,12 @@ public void get(string pUrl, Dictionary<string, string> pHeaders,
             {
                 vWebReq = (HttpWebRequest)WebRequest.Create(pUrl);
             }
+            catch(WebException wexp)
+            {
+                // FIX-HTTP 4xx/5xx Error 2016-11-22, 17:00 @fengyh
+                HttpWebResponse xWebResp = wexp.Response as HttpWebResponse;
+                handleErrorWebResponse(xWebResp, pCompletionHandler, wexp);
+            }
             catch (Exception ex)
             {
                 if (pCompletionHandler != null)

Original file line number	Diff line number	Diff line change
`@@ -55,6 +55,12 @@ public void get(string pUrl, Dictionary<string, string> pHeaders,`
`55`	`55`	`{`
`56`	`56`	`vWebReq = (HttpWebRequest)WebRequest.Create(pUrl);`
`57`	`57`	`}`
	`58`	`+ catch(WebException wexp)`
	`59`	`+ {`
	`60`	`+ // FIX-HTTP 4xx/5xx Error 2016-11-22, 17:00 @fengyh`
	`61`	`+ HttpWebResponse xWebResp = wexp.Response as HttpWebResponse;`
	`62`	`+ handleErrorWebResponse(xWebResp, pCompletionHandler, wexp);`
	`63`	`+ }`
`58`	`64`	`catch (Exception ex)`
`59`	`65`	`{`
`60`	`66`	`if (pCompletionHandler != null)`