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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/librbd/crypto/CryptoContextPool.cc
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/crypto/CryptoContextPool.cc')
-rw-r--r--src/librbd/crypto/CryptoContextPool.cc44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/librbd/crypto/CryptoContextPool.cc b/src/librbd/crypto/CryptoContextPool.cc
new file mode 100644
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+++ b/src/librbd/crypto/CryptoContextPool.cc
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+// -*- 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