private bool SendFileToServer(string filePath)
{
FileInfo fi = new FileInfo(filePath);
if (fi.Length > 4096 * 1024)
{
throw new Exception("被发送文件大小不能超过4096KB。");
}
else if (fi.Length == 0)
{
throw new Exception("文件大小不能为0。");
}
// 头附加数据
MyFileInfo myFile = new MyFileInfo()
{
FilePath = filePath,
FileSize = fi.Length,
};
// 发送文件标记,用来在onrecv里判断是否文件回包
isSendFile = true;
// 不附加尾数据
bool ret = client.SendSmallFile <MyFileInfo, object>(filePath, myFile, null);
if (ret == false)
{
isSendFile = false;
int error = client.SYSGetLastError();
AddMsg(string.Format(" > [SendSmallFile] errorCode:{0}", error));
}
return(ret);
}
HandleResult OnReceive(TcpClient sender, byte[] bytes)
{
// 数据到达了
if (isSendFile == true)
{
// 如果发送了文件,并接收到了返回数据
isSendFile = false;
MyFileInfo myFile = client.BytesToStruct <MyFileInfo>(bytes);
int objSize = Marshal.SizeOf(myFile);
// 因为没有附加尾数据,所以大小可以用length - objSize
byte[] contentBytes = new byte[bytes.Length - objSize];
Array.ConstrainedCopy(bytes, objSize, contentBytes, 0, contentBytes.Length);
string txt = Encoding.Default.GetString(contentBytes);
string msg = string.Empty;
if (txt.Length > 100)
{
msg = txt.Substring(0, 100) + "......";
}
else
{
msg = txt;
}
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> FileInfo(Path:\"{1}\",Size:{2})", sender.ConnectionId, myFile.FilePath, myFile.FileSize));
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> FileContent(\"{1}\")", sender.ConnectionId, msg));
}
else if (studentType != StudentType.None)
{
switch (studentType)
{
case StudentType.Array:
Student[] students = sender.BytesToObject(bytes) as Student[];
foreach (var stu in students)
{
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> Student({1},{2},{3})", sender.ConnectionId, stu.Id, stu.Name, stu.GetSexString()));
}
break;
case StudentType.List:
List <Student> stuList = sender.BytesToObject(bytes) as List <Student>;
foreach (var stu in stuList)
{
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> Student({1},{2},{3})", sender.ConnectionId, stu.Id, stu.Name, stu.GetSexString()));
}
break;
case StudentType.Single:
Student student = sender.BytesToObject(bytes) as Student;
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> Student({1},{2},{3})", sender.ConnectionId, student.Id, student.Name, student.GetSexString()));
studentType = StudentType.None;
break;
}
}
else
{
AddMsg(string.Format(" > [连接ID：{0},接收返回数据] -> ({1} bytes)", sender.ConnectionId, bytes.Length));
}
return(HandleResult.Ok);
}