private T DoExecute <T>(ITopRequest <T> request, string session, DateTime timestamp) where T : TopResponse
{
long start = DateTime.Now.Ticks;
// 提前检查业务参数
try
{
request.Validate();
}
catch (TopException e)
{
return(CreateErrorResponse <T>(e.ErrorCode, e.ErrorMsg));
}
// 添加协议级请求参数
TopDictionary txtParams = new TopDictionary(request.GetParameters());
txtParams.Add(Constants.METHOD, request.GetApiName());
txtParams.Add(Constants.VERSION, "2.0");
txtParams.Add(Constants.SIGN_METHOD, Constants.SIGN_METHOD_HMAC);
txtParams.Add(Constants.APP_KEY, appKey);
txtParams.Add(Constants.FORMAT, format);
txtParams.Add(Constants.PARTNER_ID, GetSdkVersion());
txtParams.Add(Constants.TIMESTAMP, timestamp);
txtParams.Add(Constants.TARGET_APP_KEY, request.GetTargetAppKey());
txtParams.Add(Constants.SESSION, session);
txtParams.AddAll(this.systemParameters);
if (this.useSimplifyJson)
{
txtParams.Add(Constants.SIMPLIFY, "true");
}
// 添加签名参数
txtParams.Add(Constants.SIGN, TopUtils.SignTopRequest(txtParams, appSecret, Constants.SIGN_METHOD_HMAC));
// 添加头部参数
if (this.useGzipEncoding)
{
request.GetHeaderParameters()[Constants.ACCEPT_ENCODING] = Constants.CONTENT_ENCODING_GZIP;
}
string realServerUrl = GetServerUrl(this.serverUrl, request.GetApiName(), session);
string reqUrl = WebUtils.BuildRequestUrl(realServerUrl, txtParams);
try
{
string body;
if (request is ITopUploadRequest <T> ) // 是否需要上传文件
{
ITopUploadRequest <T> uRequest = (ITopUploadRequest <T>)request;
IDictionary <string, FileItem> fileParams = TopUtils.CleanupDictionary(uRequest.GetFileParameters());
body = webUtils.DoPost(realServerUrl, txtParams, fileParams, request.GetHeaderParameters());
}
else
{
body = webUtils.DoPost(realServerUrl, txtParams, request.GetHeaderParameters());
}
// 解释响应结果
T rsp;
if (disableParser)
{
rsp = Activator.CreateInstance <T>();
rsp.Body = body;
}
else
{
if (Constants.FORMAT_XML.Equals(format))
{
ITopParser <T> tp = new TopXmlParser <T>();
rsp = tp.Parse(body);
}
else
{
ITopParser <T> tp;
if (useSimplifyJson)
{
tp = new TopSimplifyJsonParser <T>();
}
else
{
tp = new TopJsonParser <T>();
}
rsp = tp.Parse(body);
}
}
// 追踪错误的请求
if (rsp.IsError)
{
TimeSpan latency = new TimeSpan(DateTime.Now.Ticks - start);
TraceApiError(appKey, request.GetApiName(), serverUrl, txtParams, latency.TotalMilliseconds, rsp.Body);
}
return(rsp);
}
catch (Exception e)
{
TimeSpan latency = new TimeSpan(DateTime.Now.Ticks - start);
TraceApiError(appKey, request.GetApiName(), serverUrl, txtParams, latency.TotalMilliseconds, e.GetType() + ": " + e.Message);
throw e;
}
}