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-rw-r--r--netwerk/cache/nsCache.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/netwerk/cache/nsCache.cpp b/netwerk/cache/nsCache.cpp
new file mode 100644
index 000000000..7f5d6a071
--- /dev/null
+++ b/netwerk/cache/nsCache.cpp
@@ -0,0 +1,95 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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/. */
+
+#include "nsCache.h"
+#include "nsReadableUtils.h"
+#include "nsDependentSubstring.h"
+#include "nsString.h"
+
+
+/**
+ * Cache Service Utility Functions
+ */
+
+mozilla::LazyLogModule gCacheLog("cache");
+
+void
+CacheLogPrintPath(mozilla::LogLevel level, const char * format, nsIFile * item)
+{
+ nsAutoCString path;
+ nsresult rv = item->GetNativePath(path);
+ if (NS_SUCCEEDED(rv)) {
+ MOZ_LOG(gCacheLog, level, (format, path.get()));
+ } else {
+ MOZ_LOG(gCacheLog, level, ("GetNativePath failed: %x", rv));
+ }
+}
+
+
+uint32_t
+SecondsFromPRTime(PRTime prTime)
+{
+ int64_t microSecondsPerSecond = PR_USEC_PER_SEC;
+ return uint32_t(prTime / microSecondsPerSecond);
+}
+
+
+PRTime
+PRTimeFromSeconds(uint32_t seconds)
+{
+ int64_t intermediateResult = seconds;
+ PRTime prTime = intermediateResult * PR_USEC_PER_SEC;
+ return prTime;
+}
+
+
+nsresult
+ClientIDFromCacheKey(const nsACString& key, char ** result)
+{
+ nsresult rv = NS_OK;
+ *result = nullptr;
+
+ nsReadingIterator<char> colon;
+ key.BeginReading(colon);
+
+ nsReadingIterator<char> start;
+ key.BeginReading(start);
+
+ nsReadingIterator<char> end;
+ key.EndReading(end);
+
+ if (FindCharInReadable(':', colon, end)) {
+ *result = ToNewCString( Substring(start, colon));
+ if (!*result) rv = NS_ERROR_OUT_OF_MEMORY;
+ } else {
+ NS_ASSERTION(false, "FindCharInRead failed to find ':'");
+ rv = NS_ERROR_UNEXPECTED;
+ }
+ return rv;
+}
+
+
+nsresult
+ClientKeyFromCacheKey(const nsCString& key, nsACString &result)
+{
+ nsresult rv = NS_OK;
+
+ nsReadingIterator<char> start;
+ key.BeginReading(start);
+
+ nsReadingIterator<char> end;
+ key.EndReading(end);
+
+ if (FindCharInReadable(':', start, end)) {
+ ++start; // advance past clientID ':' delimiter
+ result.Assign(Substring(start, end));
+ } else {
+ NS_ASSERTION(false, "FindCharInRead failed to find ':'");
+ rv = NS_ERROR_UNEXPECTED;
+ result.Truncate(0);
+ }
+ return rv;
+}