private T Execute <T>(IJdRequest <T> request, string accessToken, DateTime timestamp) where T : JdResponse
{
if (disableTrace)
{
return(DoExecute <T>(request, accessToken, timestamp));
}
else
{
try
{
return(DoExecute <T>(request, accessToken, timestamp));
}
catch (Exception e)
{
topLogger.Error(this.serverUrl + "\r\n" + e.StackTrace);
throw e;
}
}
}
private T DoExecute <T> (IJdRequest <T> request, string access_token, DateTime timestamp) where T : JdResponse
{
// 提前检查业务参数
try {
request.Validate();
} catch (JdException e) {
return(createErrorResponse <T> (e.ErrorCode, e.ErrorMsg));
}
// 添加协议级请求参数
JdDictionary txtParams = new JdDictionary();
txtParams.Add(METHOD, request.GetApiName());
txtParams.Add(VERSION, "2.0");
txtParams.Add(APP_KEY, appKey);
txtParams.Add(TIMESTAMP, timestamp);
if (access_token != null)
{
txtParams.Add(ACCESS_TOKEN, access_token);
}
txtParams.Add(PARAM_JSON, JsonConvert.ExportToString(request.GetParameters()));
// 添加签名参数
txtParams.Add(SIGN, JdUtils.SignJdRequest(txtParams, appSecret, true));
string reqUrl = webUtils.BuildGetUrl(this.serverUrl, txtParams);
try {
string body;
if (request is IJdUploadRequest <T> ) // 是否需要上传文件
{
IJdUploadRequest <T> uRequest = (IJdUploadRequest <T>)request;
IDictionary <string, FileItem> fileParams = JdUtils.CleanupDictionary(uRequest.GetFileParameters());
body = webUtils.DoPost(this.serverUrl, txtParams, fileParams);
}
else
{
body = webUtils.DoPost(this.serverUrl, txtParams);
}
// 解释响应结果
T rsp;
if (disableParser)
{
rsp = Activator.CreateInstance <T> ();
rsp.Body = body;
}
else
{
if (FORMAT_XML.Equals(format))
{
IJdParser tp = new JdXmlParser();
rsp = tp.Parse <T> (body);
}
else
{
IJdParser tp = new JdJsonParser();
rsp = tp.Parse <T> (body);
}
}
// 追踪错误的请求
if (!disableTrace && rsp.IsError)
{
StringBuilder sb = new StringBuilder(reqUrl).Append(" response error!\r\n").Append(rsp.Body);
JdLogger.Warn(sb.ToString());
}
return(rsp);
} catch (Exception e) {
if (!disableTrace)
{
StringBuilder sb = new StringBuilder(reqUrl).Append(" request error!\r\n").Append(e.StackTrace);
JdLogger.Error(sb.ToString());
}
throw e;
}
}
public HttpResponse Post()
{
int retriedCount;
int retry = conf.GetHttpConnectRetryCount() + 1;
HttpResponse resp = null;
for (retriedCount = 1; retriedCount <= retry; retriedCount++)
{
try
{
HttpWebRequest con = null;
System.IO.Stream outStream = null;
try
{
con = GetConnection(conf.GetConnectUrl(), conf.GetHttpConnectionTimeout(), conf.GetHttpReadTimeout());
con.KeepAlive = true;
SetHeaders(con, conf.GetRequestHeader());
con.Method = "POST";
con.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
string postParam = WebUtils.BuildQuery(parameters);
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(postParam);
outStream = con.GetRequestStream();
outStream.Write(bytes, 0, bytes.Length);
outStream.Close();
HttpWebResponse response = (HttpWebResponse)con.GetResponse();
HttpStatusCode responseCode = response.StatusCode;
if (HttpStatusCode.OK == responseCode)
{
log.Info("connect successful");
StringBuilder respHeader = new StringBuilder();
WebHeaderCollection responseHeaders = con.Headers;
foreach (string key in responseHeaders.AllKeys)
{
string[] values = responseHeaders.GetValues(key);
foreach (string value in values)
{
if (key != null)
{
respHeader.Append(key).Append("=").Append(value);
}
else
{
respHeader.Append(value);
}
respHeader.Append(";");
}
log.Info("Response: " + respHeader.ToString());
}
resp = new HttpResponse(con);
return(resp);
}
else if (HttpStatusCode.BadRequest == responseCode)
{ //参数校验出错
log.Info("Request param is invalid,errmsg is:" + con.Headers.Get(StreamConstants.ERR_MSG_HEADER));
throw new JdCometSysErrorException("Server response err msg:" + con.Headers.Get(StreamConstants.ERR_MSG_HEADER));
}
else if (HttpStatusCode.Forbidden == responseCode)
{//服务端在发布，需要休眠一段时间
log.Info("Server is deploying,sleep " + retriedCount * conf.GetHttpConnectRetryInterval() + " seconds");
if (retriedCount == conf.GetHttpConnectRetryCount())
{
log.Info("May be server occure some error,please contact Jd tech support");
throw new JdCometSysErrorException("May be server occure some error,please contact Jd tech support");
}
try
{
Thread.Sleep(retriedCount * conf.GetHttpConnectRetryInterval() * 1000);
}
catch (Exception e)
{
//ignore;
}
continue;
}
}
catch (Exception e)
{
log.Error(e.Message);
}
finally
{
try
{
if (outStream != null)
{
outStream.Close();
}
}
catch (Exception ignore)
{
}
}
}
catch (Exception ioe)
{
// connection timeout or read timeout
if (retriedCount == conf.GetHttpConnectRetryCount())
{
throw new JdCometSysErrorException(ioe.Message);
}
}
try
{
log.Info("Sleeping " + conf.GetHttpConnectRetryInterval() + " seconds until the next retry.");
Thread.Sleep(retriedCount * conf.GetHttpConnectRetryInterval() * 1000);
}
catch (Exception ignore)
{
//nothing to do
}
}
return(resp);
}
void ControlThread(StreamMsgConsumeFactory msgConsumeFactory, ref bool bsJd, Configuration conf, JdCometStreamRequest cometReq)
{
long lastSleepTime = 0;
while (!bsJd)
{
if (allSJd)
{
break;
}
try
{
if (StreamConstants.SERVER_DEPLOY.Equals(serverRespCode))
{ // 服务端在发布
logger.Info("Server is upgrade sleep " + conf.GetSleepTimeOfServerInUpgrade() + " seconds");
Thread.Sleep(conf.GetSleepTimeOfServerInUpgrade() * 1000);
StartConsumeThread(cometReq);
}
else if (/*客户端第一次发起连接请求*/
StreamConstants.CLIENT_FIRST_CONNECT.Equals(serverRespCode) ||
/*服务端主动断开了所有的连接*/
StreamConstants.SERVER_REHASH.Equals(serverRespCode) ||
/*连接到达最大时间*/
StreamConstants.CONNECT_REACH_MAX_TIME.Equals(serverRespCode) ||
/*在一些异常情况下需要重连*/
StreamConstants.RECONNECT.Equals(serverRespCode))
{
StartConsumeThread(cometReq);
}
else if (/*客户端自己把自己踢开*/
StreamConstants.CLIENT_KICKOFF.Equals(serverRespCode) ||
/*服务端把客户端踢开*/
StreamConstants.SERVER_KICKOFF.Equals(serverRespCode))
{
if ((StreamConstants.CLIENT_KICKOFF.Equals(serverRespCode) && !isReconnect) ||
StreamConstants.SERVER_KICKOFF.Equals(serverRespCode))
{
break;// 终止掉当前线程
}
}
else
{ //错误码设置出错，停止线程
bsJd = true;
break;
}
//连接成功，开始休眠
try
{
Monitor.Enter(objLock);
{
lastSleepTime = DateTime.Now.Ticks;
Monitor.Wait(objLock, conf.GetHttpReconnectInterval() * 1000);
if (DateTime.Now.Ticks - lastSleepTime >= (conf.GetHttpReconnectInterval()) * 1000 * 10000)
{
/*
* 快要到达连接的最大时间了，需要重新发起连接
*/
serverRespCode = StreamConstants.RECONNECT;
isReconnect = true;
}//否则，是由于某种原因被唤醒的
}
}
catch (Exception e)
{
logger.Error(e.Message);
}
finally
{
Monitor.Exit(objLock);
}
}
catch (Exception e)
{
logger.Error("Occur some error,sJd the stream consume" + e.Message);
bsJd = true;
try
{
Monitor.Enter(objLock);
Monitor.PulseAll(objLock);
}
finally
{
Monitor.Exit(objLock);
}
}
}
if (currentStreamImpl != null)
{
try
{
currentStreamImpl.Close();
}
catch (Exception e)
{
// ignore
}
}
logger.Info("SJd stream consume");
}
public override string ParseLine(string msg)
{
if (!string.IsNullOrEmpty(msg))
{
try
{
Regex rg = new Regex(pattern, RegexOptions.Compiled);
MatchCollection matches = rg.Matches(msg);
if (matches.Count > 0)
{
string code = matches[0].Groups["code"].Value;
if (StreamConstants.NEW_MESSAGE.Equals(code))
{
return(matches[0].Groups["msg"].Value);
}
else if (StreamConstants.HEAT_BEAT.Equals(code))
{
msgListener.OnHeartBeat();
}
else if (StreamConstants.CONNECT_REACH_MAX_TIME.Equals(code))
{
msgListener.OnConnectReachMaxTime();
WakeUp(code);
}
else if (StreamConstants.DISCARD_MESSAGE.Equals(code))
{
msgListener.OnDiscardMsg(matches[0].Groups["msg"].Value.ToString());
}
else if (StreamConstants.SERVER_DEPLOY.Equals(code))
{
msgListener.OnServerUpgrade(matches[0].Groups["msg"].Value.ToString());
WakeUp(code);
}
else if (StreamConstants.SERVER_REHASH.Equals(code))
{
msgListener.OnServerRehash();
WakeUp(code);
}
else if (StreamConstants.CLIENT_KICKOFF.Equals(code))
{
msgListener.OnClientKickOff();
WakeUp(code);
}
else if (StreamConstants.SERVER_KICKOFF.Equals(code))
{
msgListener.OnServerKickOff();
WakeUp(code);
}
else if (StreamConstants.CONNECT_SUCCESS.Equals(code))
{
msgListener.OnConnectMsg(matches[0].Groups["msg"].Value);
}
else
{
msgListener.OnOtherMsg(matches[0].Groups["msg"].Value);
}
}
}
catch (Exception e)
{
logger.Error("Message is invalid:" + msg + e.Message);
msgListener.OnException(e);
return(null);
}
}
return(null);
}