//private byte[] _key = ASCIIEncoding.ASCII.GetBytes("12345678");
//private byte[] _iv = ASCIIEncoding.ASCII.GetBytes("12345678");
//private static readonly ICrypto Cryptor = new DESCrypto();
//public NodeEncrpty nodeServices { get; set; }
//public Common() {
// IServiceCollection services = new ServiceCollection();
// var path = Directory.GetParent(Directory.GetCurrentDirectory());
// services.AddNodeServices(options => {
// options.ProjectPath = path + @"\NodeEncrpty";
// options.WatchFileExtensions = new[] { ".js" };
// });
// services.AddSingleton<NodeEncrpty>();
// IServiceProvider serviceProvider = services.BuildServiceProvider();
// nodeServices = serviceProvider.GetService<NodeEncrpty>();
// nodeServices.nodeServices = serviceProvider.GetService<INodeServices>();
//}
/// <summary>
/// 发送请求
/// </summary>
/// <param name="client">tcp连接</param>
/// <param name="response">请求信息</param>
public static string SendRequest(TcpClient client, string request)
{
try {
if (!client.Connected)
{
return("");
}
// 报文数据加密
var messageData = MessageEncoding.GetBytes(Encrpty.EncryptDES(request, Des_Key, Des_Iv));
// 处理报文内容长度标识
var lengthData = MessageEncoding.GetBytes(NumberPackger.Package(messageData.Length));
// 获取到基础连接的流； 这里需要特别注意，不能这里用完后，就马上关闭或释放该流
var stream = client.GetStream();
// 先发送报文长度标识
stream.Write(lengthData, 0, lengthData.Length);
// 发送报文正文内容
stream.Write(messageData, 0, messageData.Length);
//byte[] bytes = new byte[1024];
//int bytesRead = stream.Read(bytes, 0, bytes.Length);
//return Encoding.ASCII.GetString(bytes, 0, bytesRead);
return(ReceiveResponse(client));
}
catch (Exception ex) {
CGT.DDD.Logger.LoggerFactory.Instance.Logger_Error(ex, "SuspendedServiceErorr");
return("");
}
}
/// <summary>
/// 接收请求数据
/// </summary>
/// <param name="client">tcp连接</param>
/// <remarks>
/// 该方法会一直阻塞，直到接收到数据
/// </remarks>
private static string ReceiveResponse(TcpClient client)
{
try {
while (true)
{
if (client.Available > 0)
{
// 先获取报文长度标识
var lengthData = ReceiveData(client, NumberPackger.Bits); // 处理报文内容长度标识
var messageLength = NumberPackger.Unpackage(lengthData);
var ReceiveDataStr = ReceiveData(client, messageLength);
// 通过报文长度标识，再获取报文正文内容
return(Encrpty.DecryptDES(ReceiveDataStr, Des_Key, Des_Iv));
}
}
}
catch (Exception ex) {
CGT.DDD.Logger.LoggerFactory.Instance.Logger_Error(ex, "SuspendedServiceErorr");
}
return(null);
}
