1 files changed, 152 insertions, 0 deletions
diff --git a/netwerk/dns/mdns/libmdns/MDNSResponderOperator.h b/netwerk/dns/mdns/libmdns/MDNSResponderOperator.h
new file mode 100644
index 000000000..a932baa7c
--- /dev/null
+++ b/netwerk/dns/mdns/libmdns/MDNSResponderOperator.h
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 mozilla_netwerk_dns_mdns_libmdns_MDNSResponderOperator_h
+#define mozilla_netwerk_dns_mdns_libmdns_MDNSResponderOperator_h
+
+#include "dns_sd.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/RefPtr.h"
+#include "nsCOMPtr.h"
+#include "nsIDNSServiceDiscovery.h"
+#include "nsIThread.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace net {
+
+class MDNSResponderOperator
+{
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MDNSResponderOperator)
+
+public:
+  MDNSResponderOperator();
+
+  virtual nsresult Start();
+  virtual nsresult Stop();
+  void Cancel() { mIsCancelled = true; }
+  nsIThread* GetThread() const { return mThread; }
+
+protected:
+  virtual ~MDNSResponderOperator();
+
+  bool IsServing() const { return mService; }
+  nsresult ResetService(DNSServiceRef aService);
+
+private:
+  class ServiceWatcher;
+
+  DNSServiceRef mService;
+  RefPtr<ServiceWatcher> mWatcher;
+  nsCOMPtr<nsIThread> mThread; // remember caller thread for callback
+  Atomic<bool> mIsCancelled;
+};
+
+class BrowseOperator final : public MDNSResponderOperator
+{
+public:
+  BrowseOperator(const nsACString& aServiceType,
+                 nsIDNSServiceDiscoveryListener* aListener);
+
+  nsresult Start() override;
+  nsresult Stop() override;
+
+  void Reply(DNSServiceRef aSdRef,
+             DNSServiceFlags aFlags,
+             uint32_t aInterfaceIndex,
+             DNSServiceErrorType aErrorCode,
+             const nsACString& aServiceName,
+             const nsACString& aRegType,
+             const nsACString& aReplyDomain);
+
+private:
+  ~BrowseOperator() = default;
+
+  nsCString mServiceType;
+  nsCOMPtr<nsIDNSServiceDiscoveryListener> mListener;
+};
+
+class RegisterOperator final : public MDNSResponderOperator
+{
+  enum { TXT_BUFFER_SIZE = 256 };
+
+public:
+  RegisterOperator(nsIDNSServiceInfo* aServiceInfo,
+                   nsIDNSRegistrationListener* aListener);
+
+  nsresult Start() override;
+  nsresult Stop() override;
+
+  void Reply(DNSServiceRef aSdRef,
+             DNSServiceFlags aFlags,
+             DNSServiceErrorType aErrorCode,
+             const nsACString& aName,
+             const nsACString& aRegType,
+             const nsACString& aDomain);
+
+private:
+  ~RegisterOperator() = default;
+
+  nsCOMPtr<nsIDNSServiceInfo> mServiceInfo;
+  nsCOMPtr<nsIDNSRegistrationListener> mListener;
+};
+
+class ResolveOperator final : public MDNSResponderOperator
+{
+  enum { TXT_BUFFER_SIZE = 256 };
+
+public:
+  ResolveOperator(nsIDNSServiceInfo* aServiceInfo,
+                  nsIDNSServiceResolveListener* aListener);
+
+  nsresult Start() override;
+
+  void Reply(DNSServiceRef aSdRef,
+             DNSServiceFlags aFlags,
+             uint32_t aInterfaceIndex,
+             DNSServiceErrorType aErrorCode,
+             const nsACString& aFullName,
+             const nsACString& aHostTarget,
+             uint16_t aPort,
+             uint16_t aTxtLen,
+             const unsigned char* aTxtRecord);
+
+private:
+  ~ResolveOperator() = default;
+  void GetAddrInfor(nsIDNSServiceInfo* aServiceInfo);
+
+  nsCOMPtr<nsIDNSServiceInfo> mServiceInfo;
+  nsCOMPtr<nsIDNSServiceResolveListener> mListener;
+};
+
+union NetAddr;
+
+class GetAddrInfoOperator final : public MDNSResponderOperator
+{
+public:
+  GetAddrInfoOperator(nsIDNSServiceInfo* aServiceInfo,
+                      nsIDNSServiceResolveListener* aListener);
+
+  nsresult Start() override;
+
+  void Reply(DNSServiceRef aSdRef,
+             DNSServiceFlags aFlags,
+             uint32_t aInterfaceIndex,
+             DNSServiceErrorType aErrorCode,
+             const nsACString& aHostName,
+             const NetAddr& aAddress,
+             uint32_t aTTL);
+
+private:
+  ~GetAddrInfoOperator() = default;
+
+  nsCOMPtr<nsIDNSServiceInfo> mServiceInfo;
+  nsCOMPtr<nsIDNSServiceResolveListener> mListener;
+};
+
+} // namespace net
+} // namespace mozilla
+
+#endif // mozilla_netwerk_dns_mdns_libmdns_MDNSResponderOperator_h