#include "multiverso/blob.h"

#include "multiverso/util/allocator.h"

#include "multiverso/util/log.h"

namespace multiverso {

Blob::Blob(size_t size) : size_(size) {

CHECK(size > 0);

data_ = Allocator::Get()->Alloc(size);

}

// Construct from external memory. Will copy a new piece

Blob::Blob(const void* data, size_t size) : size_(size) {

data_ = Allocator::Get()->Alloc(size);

memcpy(data_, data, size_);

}

Blob::Blob(void* data, size_t size) : size_(size) {

data_ = Allocator::Get()->Alloc(size);

memcpy(data_, data, size_);

}

Blob::Blob(const Blob& rhs) {

if (rhs.size() != 0) {

Allocator::Get()->Refer(rhs.data_);

}

this->data_ = rhs.data_;

this->size_ = rhs.size_;

}

Blob::~Blob() {

if (data_ != nullptr) {

Allocator::Get()->Free(data_);

}

}

// Shallow copy by default. Call \ref CopyFrom for a deep copy

void Blob::operator=(const Blob& rhs) {

if (rhs.size() != 0) {

Allocator::Get()->Refer(rhs.data_);

}

this->data_ = rhs.data_;

this->size_ = rhs.size_;

}

} // namespace multiverso