static void Main(string[] args) { dgnFile = args[0]; jpgFile = dgnFile.Replace(".dgn", ".jpg"); pkgInfo.IsHeader = true; pkgInfo.Length = pkgHeaderSize; if (client.Connect("192.168.2.18", 1138) == true) { using (var fs = new FileStream(dgnFile, FileMode.Open)) { // 封包体 byte[] bodyBytes = new byte[fs.Length]; fs.Read(bodyBytes, 0, bodyBytes.Length); fs.Close(); // 封包头 PkgHeader header = new PkgHeader(); header.Id = ++id; header.BodySize = bodyBytes.Length; byte[] headerBytes = client.StructureToByte <PkgHeader>(header); // 组合最终发送的封包 (封包头+封包体) byte[] sendBytes = GetSendBuffer(headerBytes, bodyBytes); client.Send(sendBytes, sendBytes.Length); } } client.OnReceive += Client_OnReceive; System.Diagnostics.Process.GetCurrentProcess().WaitForExit(); }
private static HandleResult Client_OnReceive(TcpPullClient sender, int length) { #region 收数据 // 需要长度 int required = pkgInfo.Length; // 剩余大小 int remain = length; while (remain >= required) { IntPtr bufferPtr = IntPtr.Zero; try { remain -= required; bufferPtr = Marshal.AllocHGlobal(required); if (client.Fetch(bufferPtr, required) == FetchResult.Ok) { if (pkgInfo.IsHeader == true) { PkgHeader header = (PkgHeader)Marshal.PtrToStructure(bufferPtr, typeof(PkgHeader)); required = header.BodySize; } else { //intptr转byte[] byte[] bytes = new byte[required]; Marshal.Copy(bufferPtr, bytes, 0, required); using (var fs = new FileStream(jpgFile, FileMode.Create)) { fs.Write(bytes, 0, bytes.Length); fs.Close(); } required = pkgHeaderSize; } // 在后面赋值,因为前面需要用到pkgInfo.Length pkgInfo.IsHeader = !pkgInfo.IsHeader; pkgInfo.Length = required; if (client.SetExtra(pkgInfo) == false) { return(HandleResult.Error); } } } catch { return(HandleResult.Error); } finally { if (bufferPtr != IntPtr.Zero) { Marshal.FreeHGlobal(bufferPtr); bufferPtr = IntPtr.Zero; } } } #endregion if (File.Exists(jpgFile)) { Console.WriteLine("succeed"); System.Diagnostics.Process.GetCurrentProcess().Kill(); } return(HandleResult.Ok); }