1 files changed, 217 insertions, 0 deletions
diff --git a/netwerk/base/RequestContextService.cpp b/netwerk/base/RequestContextService.cpp
new file mode 100644
index 000000000..b72e42b13
--- /dev/null
+++ b/netwerk/base/RequestContextService.cpp
@@ -0,0 +1,217 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 ;*; */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* 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 "nsAutoPtr.h"
+#include "nsIObserverService.h"
+#include "nsIUUIDGenerator.h"
+#include "nsServiceManagerUtils.h"
+#include "nsThreadUtils.h"
+#include "RequestContextService.h"
+
+#include "mozilla/Atomics.h"
+#include "mozilla/Services.h"
+
+#include "mozilla/net/PSpdyPush.h"
+
+namespace mozilla {
+namespace net {
+
+// nsIRequestContext
+class RequestContext final : public nsIRequestContext
+{
+public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIREQUESTCONTEXT
+
+  explicit RequestContext(const nsID& id);
+private:
+  virtual ~RequestContext();
+
+  nsID mID;
+  char mCID[NSID_LENGTH];
+  Atomic<uint32_t>       mBlockingTransactionCount;
+  nsAutoPtr<SpdyPushCache> mSpdyCache;
+  nsCString mUserAgentOverride;
+};
+
+NS_IMPL_ISUPPORTS(RequestContext, nsIRequestContext)
+
+RequestContext::RequestContext(const nsID& aID)
+  : mBlockingTransactionCount(0)
+{
+  mID = aID;
+  mID.ToProvidedString(mCID);
+}
+
+RequestContext::~RequestContext()
+{
+}
+
+NS_IMETHODIMP
+RequestContext::GetBlockingTransactionCount(uint32_t *aBlockingTransactionCount)
+{
+  NS_ENSURE_ARG_POINTER(aBlockingTransactionCount);
+  *aBlockingTransactionCount = mBlockingTransactionCount;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::AddBlockingTransaction()
+{
+  mBlockingTransactionCount++;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::RemoveBlockingTransaction(uint32_t *outval)
+{
+  NS_ENSURE_ARG_POINTER(outval);
+  mBlockingTransactionCount--;
+  *outval = mBlockingTransactionCount;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::GetSpdyPushCache(mozilla::net::SpdyPushCache **aSpdyPushCache)
+{
+  *aSpdyPushCache = mSpdyCache.get();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::SetSpdyPushCache(mozilla::net::SpdyPushCache *aSpdyPushCache)
+{
+  mSpdyCache = aSpdyPushCache;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::GetID(nsID *outval)
+{
+  NS_ENSURE_ARG_POINTER(outval);
+  *outval = mID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::GetUserAgentOverride(nsACString& aUserAgentOverride)
+{
+  aUserAgentOverride = mUserAgentOverride;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContext::SetUserAgentOverride(const nsACString& aUserAgentOverride)
+{
+  mUserAgentOverride = aUserAgentOverride;
+  return NS_OK;
+}
+
+
+//nsIRequestContextService
+RequestContextService *RequestContextService::sSelf = nullptr;
+
+NS_IMPL_ISUPPORTS(RequestContextService, nsIRequestContextService, nsIObserver)
+
+RequestContextService::RequestContextService()
+{
+  MOZ_ASSERT(!sSelf, "multiple rcs instances!");
+  MOZ_ASSERT(NS_IsMainThread());
+  sSelf = this;
+}
+
+RequestContextService::~RequestContextService()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  Shutdown();
+  sSelf = nullptr;
+}
+
+nsresult
+RequestContextService::Init()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+  if (!obs) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  return obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
+}
+
+void
+RequestContextService::Shutdown()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  mTable.Clear();
+}
+
+/* static */ nsresult
+RequestContextService::Create(nsISupports *aOuter, const nsIID& aIID, void **aResult)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  if (aOuter != nullptr) {
+    return NS_ERROR_NO_AGGREGATION;
+  }
+
+  RefPtr<RequestContextService> svc = new RequestContextService();
+  nsresult rv = svc->Init();
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return svc->QueryInterface(aIID, aResult);
+}
+
+NS_IMETHODIMP
+RequestContextService::GetRequestContext(const nsID& rcID, nsIRequestContext **rc)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  NS_ENSURE_ARG_POINTER(rc);
+  *rc = nullptr;
+
+  if (!mTable.Get(rcID, rc)) {
+    nsCOMPtr<nsIRequestContext> newSC = new RequestContext(rcID);
+    mTable.Put(rcID, newSC);
+    newSC.swap(*rc);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContextService::NewRequestContextID(nsID *rcID)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  if (!mUUIDGen) {
+    nsresult rv;
+    mUUIDGen = do_GetService("@mozilla.org/uuid-generator;1", &rv);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
+  return mUUIDGen->GenerateUUIDInPlace(rcID);
+}
+
+NS_IMETHODIMP
+RequestContextService::RemoveRequestContext(const nsID& rcID)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  mTable.Remove(rcID);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+RequestContextService::Observe(nsISupports *subject, const char *topic,
+                                  const char16_t *data_unicode)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  if (!strcmp(NS_XPCOM_SHUTDOWN_OBSERVER_ID, topic)) {
+    Shutdown();
+  }
+
+  return NS_OK;
+}
+
+} // ::mozilla::net
+} // ::mozilla