public MessageStreamImpl(StreamMsgConsumeFactory msgConsumeFactory,
HttpResponse response, IJdCometMessageListener msgListener, JdCometStreamImpl cometStreamImpl)
: base(msgConsumeFactory, response)
{
this.msgListener = msgListener;
this.objLock = cometStreamImpl.GetControlLock();
this.cometStreamImpl = cometStreamImpl;
}
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;
}
public AbstractStreamImpl(StreamMsgConsumeFactory msgConsumeFactory, HttpResponse response)
{
this.msgConsumeFactory = msgConsumeFactory;
this.response = response;
}
