private static void recvMsg()
{
string msg = null;
byte[] msgBuf = new byte[128]; //128 字节
int byteCount = 0;
while (sock != null)
{
//接收服务端数据
MyLogger.WriteLine("GetCsvSock listen next csv msg.....");
try {
byteCount = sock.Receive(msgBuf);
}
catch
{
MyLogger.WriteLine("close socket exception!");
return;
}
if (byteCount == -1)
{
MyLogger.WriteLine("GetCsvSock exit!");
break;
}
msg = Encoding.UTF8.GetString(msgBuf);
//错误响应reqcsv:
if (msg.StartsWith("errreqcsv:"))
{
MyLogger.WriteLine("<下载csv>:服务端回应请求错误! " + msg);
MessageBox.Show(msg.Split('#')[1], "csv文件缺失");
//设置CombxSummaryFile 没有summary 文件
parent.setSumFileComb(-1);
//清空datagridview 中的内容
parent.clearGridView();
//csv响应错误，也要请求文件dict
if (!File.Exists(Environment.CurrentDirectory + "\\" + userId + "_" + trialDate + ".dict"))
{
queryDdgFiles(userId, trialDate);
}
continue;
}
//正常响应reqcsv: msg = "resreqcsv:#" + csvFiles.Count + "#" + sumId + "#";
else if (msg.StartsWith("resreqcsv:"))
{
MyLogger.WriteLine("<下载csv>服务端回应！" + msg);
//获取服务端summary数量
string[] splits = msg.Split('#');
int sumFileNum = Int32.Parse(splits[1]);
//更新FmMain 中的summary.csv下拉框
parent.setSumFileComb(sumFileNum);
//开始接收 csv 数据包
//> 第一种方法
#region 接收csv 数据
bool ifDataEnd = false;
int count = 0;
int maxFileLen = 1024 * 512;//512 k
byte[] fileBuf = new byte[maxFileLen];
string csvFileName = userId + "_" + trialDate + "_" + splits[2] + ".csv";
MyLogger.WriteLine("recv Data run:" + csvFileName);
//保存的csv 文件路径
//保存在当前软件运行的目录下
//该summary.csv 文件命名形式为 userId_date.csv
//最后退出软件时，会删除所有临时文件
string name = Environment.CurrentDirectory + "\\" + csvFileName;
using (FileStream fs = new FileStream(name, FileMode.Create))
{
while (!ifDataEnd)
{
try
{
count = sock.Receive(fileBuf);
}
catch
{
MyLogger.WriteLine("close recv sock exception!");
}
//正常数据
if (count > 128) // 64
{
try
{
fs.Write(fileBuf, 0, count);
fs.Flush();//------add
}
catch { MyLogger.WriteLine("接收csv文件时，写入文件错误！"); }
}
else //count < 64
{
msg = Encoding.UTF8.GetString(fileBuf);
//文件结束标志 end:# file_name # file_left #
if (msg.StartsWith("endcsv:"))
{
msg = "resendcsv:#" + name + "#"; // end:# unique #
try
{
sock.Send(Encoding.UTF8.GetBytes(msg.ToCharArray()));//response
MyLogger.WriteLine("客户端回应:" + msg);
}
catch { MyLogger.WriteLine("发送csv接收完成的回应时,socket错误！"); }
//结束
ifDataEnd = true;
//防止接收到结束符，文件流还没关闭的情况
if (fs.CanWrite)
{
fs.Close();
MyLogger.WriteLine(139 + "csv文件下载成功，保存在:\n" + name);
}
}
//不能整段发送的剩余数据
else
{
MyLogger.WriteLine("段数据 写入csv 文件!");
try {
fs.Write(fileBuf, 0, count);
fs.Close();
MyLogger.WriteLine("csv 文件关闭");
}
catch { MyLogger.WriteLine("csv段数据接收并关闭文件时错误!"); }
}
}
} // while (!ifDataEnd)
} // using(FileStream fs
#endregion
//> 使用线程去读取csv文件 并装填到DataGridView 中
Thread th = new Thread(csv3);
th.IsBackground = true;
th.Start(name);
}
// 错误响应 reqdbgfile:
else if (msg.StartsWith("errreqdbgfile"))
{
MyLogger.WriteLine("<下载dbgfiles>:服务端回应请求错误! " + msg);
MessageBox.Show(msg.Split('#')[1], "搜索错误!");
continue;
}
//正常响应 reqdbgfile:
else if (msg.StartsWith("resreqdbgfile:"))
{
string trialUnique = msg.Split('#')[1];
MyLogger.WriteLine("接收服务端resreqdbgfile:\n" + msg);
//接收dbgfiles 信息
byte[] dbgFileBuf = new byte[1024 * 300]; //300k
try
{
sock.Receive(dbgFileBuf);
}
catch
{
MyLogger.WriteLine("接收resreqdbgfiles响应 出错!");
}
msg = Encoding.UTF8.GetString(dbgFileBuf);
string[] dbgFileArr = msg.Split('#')[0].Split(','); // msg.Split('#')[0] => 文件列表
try
{
FileStream fs = new FileStream(Environment.CurrentDirectory + "\\" + trialUnique + ".dict",
FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
foreach (string s in dbgFileArr)
{
sw.WriteLine(s);
}
sw.Close();
fs.Close();
MyLogger.WriteLine(Environment.CurrentDirectory + "\\" + trialUnique + ".dict 保存完成!");
//显示界面中点击按钮
parent.enablePic();
}
catch (Exception ex)
{
MyLogger.WriteLine("保存dbgfiles dict 文件时错误！" + ex.Message);
}
}
//错误响应 reqbunchfile
else if (msg.StartsWith("errreqbunchfile:"))
{
MyLogger.WriteLine("<下载bunchfiles>:服务端回应请求错误! " + msg);
MessageBox.Show(msg.Split('#')[1], "下载错误!");
continue;
}
//正常响应 reqbunchfile
else if (msg.StartsWith("resreqbunchfile:"))
{
//直接开始接收bunch files 文件信息
int maxFileLen = 1024 * 512;//512 k
byte[] fileBuf = new byte[maxFileLen];
string fileName = null;
int waitRecvFileNum = Int32.Parse(msg.Split('#')[1]); //要下载的文件个数
long allFileLength = long.Parse(msg.Split('#')[2]);
long sent = 0;
FmBchDnldProgrs prog = null;
if (bchDnldProg) //如果要显示bunch files 下载进度条
{
prog = new FmBchDnldProgrs(waitRecvFileNum, allFileLength);
prog.Show(parent);
}
//监听每个文件上传请求
DateTime now = DateTime.Now;
string tm = now.ToLongTimeString();
tm = tm.Substring(0, tm.Length - 3).Replace(':', '.'); //09:34:23 > 09.34.23
//另外的这种时间格式是用来进行数据分析的时候
//方便文件操作
if (!bchDnldProg)
{
tm = userId + "_" + trialDate; //1000248501_trial日期
}
List <string> dnldFiles = new List <string>();
int taskFileId = 1;
while (waitRecvFileNum >= 1)
{
//监听文件头 信息
int count = 0;
try
{
sock.Receive(msgBuf);
msg = Encoding.UTF8.GetString(msgBuf);
}
catch
{
MyLogger.WriteLine("文件批量下载时，监听单个文件信息错误！");
break;
}
//file: # file_len # file_name #
if (msg.StartsWith("singleinfo:"))
{
fileName = msg.Split('#')[2];
MyLogger.WriteLine("singleinfo:\n" + msg);
bool ifFileEnd = false;
string fmTmp = dnldDir + "\\" + tm + "-" + fileName;
using (FileStream fs = new FileStream(fmTmp, FileMode.Create))
{
//监听文件数据 loop
while (!ifFileEnd)
{
try
{
count = sock.Receive(fileBuf);
}
catch {
MyLogger.WriteLine("bunch file 下载时,接收文件信息时socket 错误！");
break;
}
//正常数据
if (count > 128)
{
try
{
fs.Write(fileBuf, 0, count);
sent += count;
}
catch (Exception ex)
{
MyLogger.WriteLine("exceptioin:\n" + ex.Message);
MyLogger.WriteLine("bunch file 下载时,写入文件信息时错误！");
}
}
else
{
msg = Encoding.UTF8.GetString(fileBuf);
//文件结束标志 singleend:# file_name # file_left #
if (msg.StartsWith("singleend:"))
{
try
{
waitRecvFileNum = Int32.Parse(msg.Split('#')[2]);
MyLogger.WriteLine("还剩余文件：" + (waitRecvFileNum - 1) + " 待传输\n");
}
catch { MyLogger.WriteLine("parse 文件待传输数量时异常！"); }
//结束
ifFileEnd = true;
//[add]
if (fs.CanWrite)
{
try
{
fs.Close();
MyLogger.WriteLine("保存文件:" + fileName + " 成功!\n");
}
catch { MyLogger.WriteLine("bunfile 关闭接收文件时异常！"); }
}
}
//不能整段发送的剩余数据
else
{
try
{
fs.Write(fileBuf, 0, count);
sent += count;
fs.Close();
MyLogger.WriteLine("保存文件:" + fileName + " 成功!\n");
}
catch { MyLogger.WriteLine("bunfile 关闭接收文件时异常！"); }
}
}
if (prog != null)
{
prog.updtProg(waitRecvFileNum, fileName, sent);
}
}// while(!iffileEnd)
//if (prog != null)
//{
// prog.updtProg(waitRecvFileNum,fileName);
//}
}// using file()
dnldFiles.Add(fmTmp);
taskFileId++;
} // if (msg.StartsWith("singleinfo:"))
} // while(waitRecvNum > 1)
if (prog != null) // 不是后台下载
{
//bunch files 传输完成!
MessageBox.Show("下载完成！", "message");
}
else //prog等于null，表示文件是为analyze后台下载的
{
//下载完待分析的文件后，callback通知分析
callback.dnldOkCallBack(dnldFiles);
}
}
}
}
