1 files changed, 70 insertions, 0 deletions
diff --git a/netwerk/protocol/http/SpeculativeTransaction.h b/netwerk/protocol/http/SpeculativeTransaction.h
new file mode 100644
index 0000000000..851fe2b39f
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+++ b/netwerk/protocol/http/SpeculativeTransaction.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=4 et cin: */
+/* 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 SpeculativeTransaction_h__
+#define SpeculativeTransaction_h__
+
+#include "mozilla/Maybe.h"
+#include "NullHttpTransaction.h"
+
+namespace mozilla {
+namespace net {
+
+class HTTPSRecordResolver;
+
+class SpeculativeTransaction : public NullHttpTransaction {
+ public:
+  SpeculativeTransaction(nsHttpConnectionInfo* aConnInfo,
+                         nsIInterfaceRequestor* aCallbacks, uint32_t aCaps,
+                         std::function<void(bool)>&& aCallback = nullptr);
+
+  already_AddRefed<SpeculativeTransaction> CreateWithNewConnInfo(
+      nsHttpConnectionInfo* aConnInfo);
+
+  virtual nsresult FetchHTTPSRR() override;
+
+  virtual nsresult OnHTTPSRRAvailable(
+      nsIDNSHTTPSSVCRecord* aHTTPSSVCRecord,
+      nsISVCBRecord* aHighestPriorityRecord) override;
+
+  void SetParallelSpeculativeConnectLimit(uint32_t aLimit) {
+    mParallelSpeculativeConnectLimit.emplace(aLimit);
+  }
+  void SetIgnoreIdle(bool aIgnoreIdle) { mIgnoreIdle.emplace(aIgnoreIdle); }
+  void SetIsFromPredictor(bool aIsFromPredictor) {
+    mIsFromPredictor.emplace(aIsFromPredictor);
+  }
+  void SetAllow1918(bool aAllow1918) { mAllow1918.emplace(aAllow1918); }
+
+  const Maybe<uint32_t>& ParallelSpeculativeConnectLimit() {
+    return mParallelSpeculativeConnectLimit;
+  }
+  const Maybe<bool>& IgnoreIdle() { return mIgnoreIdle; }
+  const Maybe<bool>& IsFromPredictor() { return mIsFromPredictor; }
+  const Maybe<bool>& Allow1918() { return mAllow1918; }
+
+  void Close(nsresult aReason) override;
+  nsresult ReadSegments(nsAHttpSegmentReader* aReader, uint32_t aCount,
+                        uint32_t* aCountRead) override;
+  void InvokeCallback();
+
+ protected:
+  virtual ~SpeculativeTransaction() = default;
+
+ private:
+  Maybe<uint32_t> mParallelSpeculativeConnectLimit;
+  Maybe<bool> mIgnoreIdle;
+  Maybe<bool> mIsFromPredictor;
+  Maybe<bool> mAllow1918;
+
+  bool mTriedToWrite = false;
+  std::function<void(bool)> mCloseCallback;
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // SpeculativeTransaction_h__