C++ (Cpp) vma_stats_instance_create_bpool_block Examples

Example #1

File: buffer_pool.cpp Project: rosenbaumalex/libvma

buffer_pool::buffer_pool(size_t buffer_count, size_t buf_size, ib_ctx_handler *p_ib_ctx_h, mem_buf_desc_owner *owner, pbuf_free_custom_fn custom_free_function) :
			m_lock_spin("buffer_pool"),
			m_n_buffers(0),
			m_n_buffers_created(buffer_count),
			m_p_head(NULL)
{
	size_t sz_aligned_element = 0;
	uint8_t *ptr_buff, *ptr_desc;

	__log_info_func("count = %d", buffer_count);

	m_p_bpool_stat = &m_bpool_stat_static;
	memset(m_p_bpool_stat , 0, sizeof(*m_p_bpool_stat));
	vma_stats_instance_create_bpool_block(m_p_bpool_stat);

	size_t size;
	if (buffer_count) {
		sz_aligned_element = (buf_size + MCE_ALIGNMENT) & (~MCE_ALIGNMENT);
		size = (sizeof(mem_buf_desc_t) + sz_aligned_element) * buffer_count + MCE_ALIGNMENT;
	} else {
		size = buf_size;
	}
	void *data_block = m_allocator.alloc_and_reg_mr(size, p_ib_ctx_h);


	if (!buffer_count) return;

	// Align pointers
	ptr_buff = (uint8_t *)((unsigned long)((char*)data_block + MCE_ALIGNMENT) & (~MCE_ALIGNMENT));
	ptr_desc = ptr_buff + sz_aligned_element * buffer_count;

	// Split the block to buffers
	for (size_t i = 0; i < buffer_count; ++i) {

		mem_buf_desc_t* ptr_desc_mbdt = (mem_buf_desc_t*)ptr_desc;
		memset(ptr_desc_mbdt, 0, sizeof (*ptr_desc_mbdt));
		mem_buf_desc_t *desc = new (ptr_desc) mem_buf_desc_t(ptr_buff, buf_size);
		desc->p_desc_owner = owner;
		desc->lwip_pbuf.custom_free_function = custom_free_function;
		put_buffer_helper(desc);
#ifdef DEFINED_VMAPOLL
		desc->rx.vma_polled = false;
#endif		

		ptr_buff += sz_aligned_element;
		ptr_desc += sizeof(mem_buf_desc_t);
	}

	__log_info_func("done");
}

Example #2

File: buffer_pool.cpp Project: olgk/libvma

buffer_pool::buffer_pool(size_t buffer_count, size_t buf_size, pbuf_free_custom_fn custom_free_function) :
			m_lock_spin("buffer_pool"),
			m_n_buffers(0),
			m_n_buffers_created(buffer_count),
			m_p_head(NULL)
{
	size_t sz_aligned_element = 0;
	uint8_t *ptr_buff, *ptr_desc;

	__log_info_func("count = %d", buffer_count);

	m_p_bpool_stat = &m_bpool_stat_static;
	memset(m_p_bpool_stat , 0, sizeof(*m_p_bpool_stat));
	vma_stats_instance_create_bpool_block(m_p_bpool_stat);

	if (buffer_count) {
		sz_aligned_element = (buf_size + MCE_ALIGNMENT) & (~MCE_ALIGNMENT);
		m_size = (sizeof(mem_buf_desc_t) + sz_aligned_element) * buffer_count + MCE_ALIGNMENT;
	} else {
		m_size = buf_size;
	}
	void *data_block = m_allocator.alloc_and_reg_mr(m_size, NULL);


	if (!buffer_count) return;

	// Align pointers
	ptr_buff = (uint8_t *)((unsigned long)((char*)data_block + MCE_ALIGNMENT) & (~MCE_ALIGNMENT));
	ptr_desc = ptr_buff + sz_aligned_element * buffer_count;

	// Split the block to buffers
	for (size_t i = 0; i < buffer_count; ++i) {
		mem_buf_desc_t *desc = new (ptr_desc) mem_buf_desc_t(ptr_buff, buf_size, custom_free_function);
		put_buffer_helper(desc);

		ptr_buff += sz_aligned_element;
		ptr_desc += sizeof(mem_buf_desc_t);
	}

	__log_info_func("done");
}