1 files changed, 143 insertions, 0 deletions
diff --git a/netwerk/ipc/NeckoCommon.h b/netwerk/ipc/NeckoCommon.h
new file mode 100644
index 0000000000..f39358e35f
--- /dev/null
+++ b/netwerk/ipc/NeckoCommon.h
@@ -0,0 +1,143 @@
+/* -*- 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/. */
+
+#ifndef mozilla_net_NeckoCommon_h
+#define mozilla_net_NeckoCommon_h
+
+#include "mozilla/Preferences.h"
+#include "mozilla/Variant.h"
+#include "nsIRequest.h"
+#include "nsPrintfCString.h"
+#include "nsXULAppAPI.h"
+#include "prenv.h"
+
+class nsIStreamListener;
+
+namespace mozilla {
+namespace dom {
+class BrowserChild;
+}  // namespace dom
+}  // namespace mozilla
+
+#if defined(DEBUG)
+#  define NECKO_ERRORS_ARE_FATAL_DEFAULT true
+#else
+#  define NECKO_ERRORS_ARE_FATAL_DEFAULT false
+#endif
+
+// TODO: Eventually remove NECKO_MAYBE_ABORT and DROP_DEAD (bug 575494).
+// Still useful for catching listener interfaces we don't yet support across
+// processes, etc.
+
+#define NECKO_MAYBE_ABORT(msg)                                  \
+  do {                                                          \
+    bool abort = NECKO_ERRORS_ARE_FATAL_DEFAULT;                \
+    const char* e = PR_GetEnv("NECKO_ERRORS_ARE_FATAL");        \
+    if (e) abort = (*e == '0') ? false : true;                  \
+    if (abort) {                                                \
+      msg.AppendLiteral(                                        \
+          " (set NECKO_ERRORS_ARE_FATAL=0 in your environment " \
+          "to convert this error into a warning.)");            \
+      MOZ_CRASH_UNSAFE(msg.get());                              \
+    } else {                                                    \
+      msg.AppendLiteral(                                        \
+          " (set NECKO_ERRORS_ARE_FATAL=1 in your environment " \
+          "to convert this warning into a fatal error.)");      \
+      NS_WARNING(msg.get());                                    \
+    }                                                           \
+  } while (0)
+
+#define DROP_DEAD()                                                       \
+  do {                                                                    \
+    nsPrintfCString msg("NECKO ERROR: '%s' UNIMPLEMENTED", __FUNCTION__); \
+    NECKO_MAYBE_ABORT(msg);                                               \
+    return NS_ERROR_NOT_IMPLEMENTED;                                      \
+  } while (0)
+
+#define ENSURE_CALLED_BEFORE_ASYNC_OPEN()                                      \
+  do {                                                                         \
+    if (LoadIsPending() || LoadWasOpened()) {                                  \
+      nsPrintfCString msg("'%s' called after AsyncOpen: %s +%d", __FUNCTION__, \
+                          __FILE__, __LINE__);                                 \
+      NECKO_MAYBE_ABORT(msg);                                                  \
+    }                                                                          \
+    NS_ENSURE_TRUE(!LoadIsPending(), NS_ERROR_IN_PROGRESS);                    \
+    NS_ENSURE_TRUE(!LoadWasOpened(), NS_ERROR_ALREADY_OPENED);                 \
+  } while (0)
+
+// Fails call if made after request observers (on-modify-request, etc) have been
+// called
+
+#define ENSURE_CALLED_BEFORE_CONNECT()                                  \
+  do {                                                                  \
+    if (LoadRequestObserversCalled()) {                                 \
+      nsPrintfCString msg("'%s' called too late: %s +%d", __FUNCTION__, \
+                          __FILE__, __LINE__);                          \
+      NECKO_MAYBE_ABORT(msg);                                           \
+      if (LoadIsPending()) return NS_ERROR_IN_PROGRESS;                 \
+      MOZ_ASSERT(LoadWasOpened());                                      \
+      return NS_ERROR_ALREADY_OPENED;                                   \
+    }                                                                   \
+  } while (0)
+
+namespace mozilla {
+namespace net {
+
+inline bool IsNeckoChild() {
+  static bool didCheck = false;
+  static bool amChild = false;
+
+  if (!didCheck) {
+    didCheck = true;
+    amChild = (XRE_GetProcessType() == GeckoProcessType_Content);
+  }
+  return amChild;
+}
+
+inline bool IsSocketProcessChild() {
+  static bool amChild = (XRE_GetProcessType() == GeckoProcessType_Socket);
+  return amChild;
+}
+
+class HttpChannelSecurityWarningReporter : public nsISupports {
+ public:
+  [[nodiscard]] virtual nsresult ReportSecurityMessage(
+      const nsAString& aMessageTag, const nsAString& aMessageCategory) = 0;
+  [[nodiscard]] virtual nsresult LogBlockedCORSRequest(
+      const nsAString& aMessage, const nsACString& aCategory) = 0;
+  [[nodiscard]] virtual nsresult LogMimeTypeMismatch(
+      const nsACString& aMessageName, bool aWarning, const nsAString& aURL,
+      const nsAString& aContentType) = 0;
+};
+
+struct OnStartRequestParams {
+  nsCOMPtr<nsIRequest> request;
+};
+struct OnDataAvailableParams {
+  nsCOMPtr<nsIRequest> request;
+  nsCString data;
+  uint64_t offset;
+  uint32_t count;
+};
+struct OnStopRequestParams {
+  nsCOMPtr<nsIRequest> request;
+  nsresult status;
+};
+struct OnAfterLastPartParams {
+  nsresult status;
+};
+using StreamListenerFunction =
+    mozilla::Variant<OnStartRequestParams, OnDataAvailableParams,
+                     OnStopRequestParams, OnAfterLastPartParams>;
+
+nsresult ForwardStreamListenerFunctions(
+    nsTArray<StreamListenerFunction>& aCalls, nsIStreamListener* aParent);
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // mozilla_net_NeckoCommon_h