我依次发送不同大小的数据包，如何以我发送的大小分别接收数据包，而不将其累积在缓冲区中。看来现在服务器将添加到缓冲区中，直到它填满为止，然后我就可以对其进行处理了。

示例：

缓冲区大小：84。

从客户端发送：84字节，76字节，76字节，80字节

在服务器中接收：84个字节，84个字节，84个字节，64个字节。

我想在发送邮件时收到它们。有可能吗？

    int port = stoi(getconfig("server_port"));
    std::string ipAddress = getconfig("ip_address");

    // Create a socket
    int listening = socket(AF_INET,SOCK_STREAM,0);
    if (listening < 0){
        std::cerr << "Can't create a socket!" << endl;
        Logger("Can't create a socket!");
        exit(-1);
    }
    std::cout << "The socket server was created successfully." << endl;

    // Bind the socket to a IP / port
    sockaddr_in hint;
    hint.sin_family = AF_INET;
    hint.sin_port = htons(port);
    inet_pton(AF_INET,ipAddress.c_str(),&hint.sin_addr);

    if (bind(listening,(sockaddr*)&hint,sizeof(hint)) < 0){
        cerr << "Can't bind to IP/port!" << endl;
        Logger("Can't bind to IP/port!");
        exit(-1);
    }

    // Mark the socket for listening in
    if (listen(listening,SOMAXCONN) < 0){
        cerr << "Can't listen!" << endl;
        Logger("Can't listen!");
        exit(-1);
    }

    // accept a call
    sockaddr_in client;
    socklen_t clientSize = sizeof(client);
    char host[NI_MAXHOST];
    char svc[NI_MAXSERV];

    while(true){
        int clientsoket = accept(listening,(sockaddr*)&client,&clientSize);
        if(clientsoket < 0){
            cerr << "Problem with client connecting!" << endl;
            Logger("Problem with client connecting!");
            break;
        }
        cout << "The client whas conected successfully." << endl;

        memset(host,NI_MAXHOST);
        memset(svc,NI_MAXSERV);

        int result = getnameinfo((sockaddr*)&client,clientSize,host,NI_MAXHOST,svc,NI_MAXSERV,0);
        if(result == 0) {
            cout << host << " connected on " << svc << endl;
        } else {
            inet_ntop(AF_INET,&client.sin_addr,NI_MAXHOST);
            cout << host << " connected on " << ntohs(client.sin_port) << endl;
        }

        // While receiving
        char buff[84];
        while(true){
            // Clear the buffer
            memset(buff,sizeof(buff));

            // Wait for a message
            int bytesRecv = recv(clientsoket,buff,sizeof(buff),0);
            if(bytesRecv < 0){
                cerr << "There was a connection issue!" << endl;
                Logger("There was a connection issue!");
                break;
            }

            if(bytesRecv == 0){
                cout << "The client disconnected." << endl;
                Logger("The client disconnected");
                break;
            }

            cout << "bytesRecv: " << bytesRecv << endl;
       }

       // Close the socket
       close(clientsoket);
    }