Function connect_server

lib_acl_cpp/samples/aio/aio_connect/main.cpp:166–195

};

static bool connect_server(IO_CTX* ctx, int id)
{
	// ��ʼ�첽����Զ�̷�����
	acl::aio_socket_stream* stream = acl::aio_socket_stream::open
		(ctx->handle, ctx->addr, ctx->connect_timeout);
	if (stream == NULL) {
		std::cout << "connect " << ctx->addr << " error!" << std::endl;
		std::cout << "stoping ..." << std::endl;
		if (id == 0) {
			ctx->handle->stop();
		}
		return false;
	}

	ACL_VSTREAM *fp = stream->get_vstream();
	acl_tcp_so_linger(ACL_VSTREAM_SOCK(fp), 1, 0);

	// �������Ӻ�Ļص�������
	client_io_callback* callback = new client_io_callback(ctx, stream, id);

	// �������ӳɹ��Ļص�������
	stream->add_open_callback(callback);

	// ��������ʧ�ܺ�ص�������
	stream->add_close_callback(callback);

	// �������ӳ�ʱ�Ļص�������
	stream->add_timeout_callback(callback);
	return true;
}

static void usage(const char* procname)
{