1 files changed, 69 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheHashUtils.h b/netwerk/cache2/CacheHashUtils.h
new file mode 100644
index 0000000000..6ab7df972a
--- /dev/null
+++ b/netwerk/cache2/CacheHashUtils.h
@@ -0,0 +1,69 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef CacheHashUtils__h__
+#define CacheHashUtils__h__
+
+#include "nsISupports.h"
+#include "mozilla/Types.h"
+#include "prnetdb.h"
+#include "nsPrintfCString.h"
+
+#define LOGSHA1(x)                                         \
+  PR_htonl((reinterpret_cast<const uint32_t*>(x))[0]),     \
+      PR_htonl((reinterpret_cast<const uint32_t*>(x))[1]), \
+      PR_htonl((reinterpret_cast<const uint32_t*>(x))[2]), \
+      PR_htonl((reinterpret_cast<const uint32_t*>(x))[3]), \
+      PR_htonl((reinterpret_cast<const uint32_t*>(x))[4])
+
+#define SHA1STRING(x) \
+  (nsPrintfCString("%08x%08x%08x%08x%08x", LOGSHA1(x)).get())
+
+namespace mozilla {
+
+class OriginAttributes;
+
+namespace net {
+
+class CacheHash : public nsISupports {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  using Hash16_t = uint16_t;
+  using Hash32_t = uint32_t;
+
+  static Hash32_t Hash(const char* aData, uint32_t aSize,
+                       uint32_t aInitval = 0);
+  static Hash16_t Hash16(const char* aData, uint32_t aSize,
+                         uint32_t aInitval = 0);
+
+  explicit CacheHash(uint32_t aInitval = 0);
+
+  void Update(const char* aData, uint32_t aLen);
+  Hash32_t GetHash();
+  Hash16_t GetHash16();
+
+ private:
+  virtual ~CacheHash() = default;
+
+  void Feed(uint32_t aVal, uint8_t aLen = 4);
+
+  static const uint32_t kGoldenRation = 0x9e3779b9;
+
+  uint32_t mA{kGoldenRation}, mB{kGoldenRation}, mC;
+  uint8_t mPos{0};
+  uint32_t mBuf{0};
+  uint8_t mBufPos{0};
+  uint32_t mLength{0};
+  bool mFinalized{false};
+};
+
+using OriginAttrsHash = uint64_t;
+
+OriginAttrsHash GetOriginAttrsHash(const mozilla::OriginAttributes& aOA);
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif