import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/protocol/http/ASpdySession.cpp

@@ -0,0 +1,127 @@
+/* -*- 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/. */
+
+// HttpLog.h should generally be included first
+#include "HttpLog.h"
+
+/*
+  Currently supported is h2
+*/
+
+#include "nsHttp.h"
+#include "nsHttpHandler.h"
+
+#include "ASpdySession.h"
+#include "PSpdyPush.h"
+#include "Http2Push.h"
+#include "Http2Session.h"
+
+#include "mozilla/Telemetry.h"
+
+namespace mozilla {
+namespace net {
+
+ASpdySession::ASpdySession()
+{
+}
+
+ASpdySession::~ASpdySession() = default;
+
+ASpdySession *
+ASpdySession::NewSpdySession(uint32_t version,
+                             nsISocketTransport *aTransport)
+{
+  // This is a necko only interface, so we can enforce version
+  // requests as a precondition
+  MOZ_ASSERT(version == HTTP_VERSION_2,
+             "Unsupported spdy version");
+
+  // Don't do a runtime check of IsSpdyV?Enabled() here because pref value
+  // may have changed since starting negotiation. The selected protocol comes
+  // from a list provided in the SERVER HELLO filtered by our acceptable
+  // versions, so there is no risk of the server ignoring our prefs.
+
+  Telemetry::Accumulate(Telemetry::SPDY_VERSION2, version);
+
+  return new Http2Session(aTransport, version);
+}
+
+SpdyInformation::SpdyInformation()
+{
+  // highest index of enabled protocols is the
+  // most preferred for ALPN negotiaton
+  Version[0] = HTTP_VERSION_2;
+  VersionString[0] = NS_LITERAL_CSTRING("h2");
+  ALPNCallbacks[0] = Http2Session::ALPNCallback;
+}
+
+bool
+SpdyInformation::ProtocolEnabled(uint32_t index) const
+{
+  MOZ_ASSERT(index < kCount, "index out of range");
+
+  return gHttpHandler->IsHttp2Enabled();
+}
+
+nsresult
+SpdyInformation::GetNPNIndex(const nsACString &npnString,
+                             uint32_t *result) const
+{
+  if (npnString.IsEmpty())
+    return NS_ERROR_FAILURE;
+
+  for (uint32_t index = 0; index < kCount; ++index) {
+    if (npnString.Equals(VersionString[index])) {
+      *result = index;
+      return NS_OK;
+    }
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+//////////////////////////////////////////
+// SpdyPushCache
+//////////////////////////////////////////
+
+SpdyPushCache::SpdyPushCache()
+{
+}
+
+SpdyPushCache::~SpdyPushCache()
+{
+  mHashHttp2.Clear();
+}
+
+bool
+SpdyPushCache::RegisterPushedStreamHttp2(nsCString key,
+                                         Http2PushedStream *stream)
+{
+  LOG3(("SpdyPushCache::RegisterPushedStreamHttp2 %s 0x%X\n",
+        key.get(), stream->StreamID()));
+  if(mHashHttp2.Get(key)) {
+    LOG3(("SpdyPushCache::RegisterPushedStreamHttp2 %s 0x%X duplicate key\n",
+          key.get(), stream->StreamID()));
+    return false;
+  }
+  mHashHttp2.Put(key, stream);
+  return true;
+}
+
+Http2PushedStream *
+SpdyPushCache::RemovePushedStreamHttp2(nsCString key)
+{
+  Http2PushedStream *rv = mHashHttp2.Get(key);
+  LOG3(("SpdyPushCache::RemovePushedStreamHttp2 %s 0x%X\n",
+        key.get(), rv ? rv->StreamID() : 0));
+  if (rv)
+    mHashHttp2.Remove(key);
+  return rv;
+}
+
+} // namespace net
+} // namespace mozilla
+