客户端不创build文件

所以，我有一个工作的sockets。 我基本上是一个套接字让我从一个程序传输文件到另一个程序。 除了客户端，一切正常，它不会创build文件？

服务器：

int main() { WSADATA Winsock; SOCKET Socket, Sub; Addr addr; IncomingAddress incomingAddress; int AddressLen = sizeof(IncomingAddress); // Start up Winsock WSAStartup(MAKEWORD(2, 2), &Winsock); if (LOBYTE(Winsock.wVersion) != 2 || HIBYTE(Winsock.wVersion) != 2) { WSACleanup(); return 0; } Socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); // Memset alternative ZeroMemory(&addr, sizeof(Addr)); addr.sin_family = AF_INET; addr.sin_port = htons(portNumber); bind(Socket, (sockaddr*) &addr, sizeof(Addr)); if (listen(Socket, 1) == SOCKET_ERROR) { printf("Listening error!\n"); } else { printf("Listening...\n"); } if (Sub = accept(Socket, (sockaddr*) &incomingAddress, &AddressLen)) { char *ClientIP = inet_ntoa(incomingAddress.sin_addr); int ClientPort = ntohs(incomingAddress.sin_port); printf("Client connected!\n"); printf("IP: %s:%d\n", ClientIP, ClientPort); printf("Sending file... \n"); FILE *File; char *Buffer; unsigned long Size; File = fopen("test.txt", "rb+"); if (!File) { printf("Error while reading the file!\n"); getchar(); return 0; } fseek(File, 0, SEEK_END); Size = ftell(File); fseek(File, 0, SEEK_SET); Buffer = malloc(Size); fread(Buffer, Size, 1, File); char cSize[MAX_PATH]; sprintf(cSize, "%i", Size); fclose(File); send(Sub, cSize, MAX_PATH, 0); // File size } return 0; } 

客户：

 int main() { WSADATA Winsock; SOCKET Socket; Addr addr; IncomingAddress incomingAddress; int AddressLen = sizeof(IncomingAddress); WSAStartup(MAKEWORD(2, 2), &Winsock); if (LOBYTE(Winsock.wVersion) != 2 || HIBYTE(Winsock.wVersion) != 2) { WSACleanup(); return 0; } Socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); ZeroMemory(&addr, sizeof(Addr)); addr.sin_family = AF_INET; addr.sin_addr.s_addr = inet_addr("127.0.0.1"); addr.sin_port = htons(6000); if (connect(Socket, (sockaddr*) &addr, sizeof(Addr)) < 0) { printf("Connection Failed!\n"); getchar(); return 0; } printf("Connection successful! \n"); printf("Receiving file... \n"); int Size; char *Filesize = malloc(1024); if (recv(Socket, Filesize, 1024, 0)) { // File Size Size = atoi((const char*) Filesize); printf("File size: %d\n", Size); } char *Buffer = malloc(Size); int Offset = 0; while (Size > Offset) { int Amount = recv(Socket, Buffer + Offset, Size - Offset, 0); if (Amount <= 0) { printf("Error: " + WSAGetLastError()); break; } else { Offset += Amount; printf("2\n"); } } FILE *File; File = fopen("test.txt", "wb+"); fwrite(Buffer, 1, Size, File); fclose(File); getchar(); closesocket(Socket); WSACleanup(); return 0; } 

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  send(Sub, cSize, MAX_PATH, 0); // File size 

  int Amount = recv(Socket, Buffer + Offset, Size - Offset, 0);