blob: b303a54ec89d8bc768c26754ef18ba8aa8c91d6b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "librbd/crypto/CryptoContextPool.h"
namespace librbd {
namespace crypto {
template <typename T>
CryptoContextPool<T>::CryptoContextPool(DataCryptor<T>* data_cryptor,
uint32_t pool_size)
: m_data_cryptor(data_cryptor), m_encrypt_contexts(pool_size),
m_decrypt_contexts(pool_size) {
}
template <typename T>
CryptoContextPool<T>::~CryptoContextPool() {
T* ctx;
while (m_encrypt_contexts.pop(ctx)) {
m_data_cryptor->return_context(ctx, CipherMode::CIPHER_MODE_ENC);
}
while (m_decrypt_contexts.pop(ctx)) {
m_data_cryptor->return_context(ctx, CipherMode::CIPHER_MODE_DEC);
}
}
template <typename T>
T* CryptoContextPool<T>::get_context(CipherMode mode) {
T* ctx;
if (!get_contexts(mode).pop(ctx)) {
ctx = m_data_cryptor->get_context(mode);
}
return ctx;
}
template <typename T>
void CryptoContextPool<T>::return_context(T* ctx, CipherMode mode) {
if (!get_contexts(mode).push(ctx)) {
m_data_cryptor->return_context(ctx, mode);
}
}
} // namespace crypto
} // namespace librbd
|
