public static void postFile(Socket clientSocket, string sourceFilePath)
{
try
{
VerifyHandler.postMessage(clientSocket, CommonStaticVariables.messageBeginEncrypted);
VerifyHandler.verify(clientSocket);
FileStream fileToSend = new FileStream(sourceFilePath, FileMode.Open, FileAccess.Read); //注意与receive的filestream的区别
BinaryReader binaryreader = new BinaryReader(fileToSend);
byte[] fileBytes = new byte[CommonStaticVariables.constSize];
int count;
while ((count = binaryreader.Read(fileBytes, 0, CommonStaticVariables.constSize)) != 0) //这个注意是将文件写成流的形式
{
byte[] fileFragmentToSend = EncryptionDecryptionHandler.messageEncrypt(fileBytes);
clientSocket.Send(fileFragmentToSend, count, SocketFlags.None); //发送文件流到目标机器
}
binaryreader.Close();
fileToSend.Close();
System.Threading.Thread.Sleep(200);
VerifyHandler.postMessage(clientSocket, CommonStaticVariables.messageOverEncrypted);
}
catch (Exception ex)
{
}
}
public static void receiveFile(string fullPath, DateTime lastWriteTime, Socket clientSocket)
{
try
{
byte[] receiveBytes = new byte[CommonStaticVariables.constSize];
// 接收从客户端传来的文件
if (File.Exists(fullPath))
{
File.Delete(fullPath);
}
FileStream fileToReceive = new FileStream(fullPath, FileMode.Append, FileAccess.Write);
BinaryWriter binarywrite = new BinaryWriter(fileToReceive);
while (true)
{
if (clientSocket.Poll(100, SelectMode.SelectRead))
{
Array.Clear(receiveBytes, 0, CommonStaticVariables.constSize);
int count = clientSocket.Receive(receiveBytes);
if (VerifyHandler.verify(receiveBytes, CommonStaticVariables.messageBeginEncrypted, count))
{
VerifyHandler.postMessage(clientSocket, CommonStaticVariables.messageDoneEncrypted);
continue;
}
else if (VerifyHandler.verify(receiveBytes, CommonStaticVariables.messageOverEncrypted, count))
{
binarywrite.Flush();
binarywrite.Close();
fileToReceive.Close();
break;
}
else
{
//将接收的流用写成文件
byte[] fileFragmentToWrite = EncryptionDecryptionHandler.messageDecrypt(receiveBytes);
binarywrite.Write(fileFragmentToWrite, 0, count);
}
}
else
{
if (clientSocket.Poll(100, SelectMode.SelectError))
{
break;
}
}
}
File.SetLastWriteTime(fullPath, lastWriteTime);
}
catch (Exception ex)
{
}
}
public static void handleFunction(object paraClientSocket)
{
Socket curClientSocket = (Socket)paraClientSocket;
// 当前用户
byte[] receiveBytes = new byte[CommonStaticVariables.constSize];
IPEndPoint tempIPE = (IPEndPoint)curClientSocket.RemoteEndPoint;
string ip = tempIPE.Address.ToString();
string port = tempIPE.Port.ToString();
string account = null;
string password = null;
// 当前用户主目录
string home = CommonStaticVariables.homePath;
// 当前要操作的对象路径
string objPath = null;
// 当前操作对象最近修改时间
DateTime lastWriteTime = new DateTime();
// 针对两个参数的函数设计的变量
string para1 = null;
string para2 = null;
string para3 = null;
string sourcePath = null;
string destPath = null;
bool loop = true;
try
{
while (loop)
{
if (curClientSocket.Poll(100, SelectMode.SelectRead))
{
Array.Clear(receiveBytes, 0, CommonStaticVariables.constSize);
int successReceiveBytes = curClientSocket.Receive(receiveBytes);
string[] parMessage;
if ((parMessage = MessageParser.parse(receiveBytes)) != null)
{
string flag = parMessage[0];
switch (flag)
{
case "login":
// 登录验证
account = parMessage[1];
password = parMessage[2];
if (MessageHandler.login(account, password, ip, port))
{
home += account + "\\";
insPromoteDelegate.Invoke("用户接入", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("用户接入失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "regist":
account = parMessage[1];
password = parMessage[2];
if (MessageHandler.registration(account, password, ip, port))
{
insPromoteDelegate.Invoke("用户注册", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("用户注册失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "logout":
if (MessageHandler.logout(account, password))
{
insPromoteDelegate.Invoke("用户下线", account, ip, port);
loop = false;
clientSocketList.Remove(curClientSocket);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
curClientSocket.Shutdown(SocketShutdown.Both);
curClientSocket.Close();
}
else
{
insPromoteDelegate.Invoke("用户下线失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "syncOnstart":
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
if (MessageHandler.syncOnstart(home, curClientSocket))
{
insPromoteDelegate.Invoke("开机同步完成", account, ip, port);
}
else
{
insPromoteDelegate.Invoke("开机同步失败", account, ip, port);
}
break;
case "syncNow":
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
if (MessageHandler.syncNow(home, curClientSocket))
{
insPromoteDelegate.Invoke("同步完成", account, ip, port);
}
else
{
insPromoteDelegate.Invoke("同步失败", account, ip, port);
}
break;
case "createDirectory":
para1 = parMessage[1];
para2 = parMessage[2];
objPath = home + para1;
lastWriteTime = DateTime.Parse(para2);
if (MessageHandler.createDirectory(objPath, lastWriteTime))
{
insPromoteDelegate.Invoke("创建目录", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("创建目录失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "delete":
para1 = parMessage[1];
objPath = home + para1;
if (MessageHandler.delete(objPath))
{
insPromoteDelegate.Invoke("删除项目", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("删除项目失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "renameDirectory":
para1 = parMessage[1];
para2 = parMessage[2];
para3 = parMessage[3];
sourcePath = home + para1;
destPath = home + para2;
lastWriteTime = DateTime.Parse(para3);
if (MessageHandler.renameDirectory(sourcePath, destPath, lastWriteTime))
{
insPromoteDelegate.Invoke("重命名目录", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("重命名目录失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "modifyFile":
para1 = parMessage[1];
para2 = parMessage[2];
objPath = home + para1;
lastWriteTime = DateTime.Parse(para2);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
if (MessageHandler.modifyFile(objPath, lastWriteTime, curClientSocket))
{
insPromoteDelegate.Invoke("修改文件", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("修改文件失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "createFile":
para1 = parMessage[1];
para2 = parMessage[2];
objPath = home + para1;
lastWriteTime = DateTime.Parse(para2);
if (MessageHandler.createFile(objPath, lastWriteTime))
{
insPromoteDelegate.Invoke("创建文件", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("创建文件失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
case "renameFile":
para1 = parMessage[1];
para2 = parMessage[2];
para3 = parMessage[3];
sourcePath = home + para1;
destPath = home + para2;
lastWriteTime = DateTime.Parse(para3);
if (MessageHandler.renameFile(sourcePath, destPath, lastWriteTime))
{
insPromoteDelegate.Invoke("重命名文件", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageDoneEncrypted);
}
else
{
insPromoteDelegate.Invoke("重命名文件失败", account, ip, port);
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
break;
default:
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
break;
}
}
else
{
// 客户端传递非法格式的信息
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
}
else
{
if (curClientSocket.Poll(100, SelectMode.SelectError))
{
loop = false;
clientSocketList.Remove(curClientSocket);
curClientSocket.Shutdown(SocketShutdown.Both);
curClientSocket.Close();
}
}
}
}
catch (Exception ex)
{
if (ex is SocketException)
{
MessageHandler.logout(account, password);
insPromoteDelegate.Invoke("非正常断开链接", account, ip, port);
clientSocketList.Remove(curClientSocket);
curClientSocket.Shutdown(SocketShutdown.Both);
curClientSocket.Close();
}
else
{
VerifyHandler.postMessage(curClientSocket, CommonStaticVariables.messageFailedEncrypted);
}
}
}