SAY("Server");
auto socket = std::make_shared<RdmaServerSocket>(port, threadNum, messageBufferSize);
auto handler = [](char *buffer, int size)
{
    std::string str(buffer, size);
    fprintf(stdout, "dijinag -> size is: %d, content is: %s, \n", size, str.c_str());
};
socket->RegisterHandler(handler);
socket->Loop();

SAY("Client");
int timeout = 500;
auto socket = std::make_shared<RdmaClientSocket>(ip, port, threadNum, messageBufferSize, timeout);
char data[] = "hello,world";
int size = strlen(data);
socket->Write(data, size);