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mojo/public/cpp/bindings/message.h

Index: mojo/public/cpp/bindings/message.h
diff --git a/mojo/public/cpp/bindings/message.h b/mojo/public/cpp/bindings/message.h
deleted file mode 100644
index ef9abcafb9b0e96653d832e15d762833eef1e3c3..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/message.h
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@@ -1,172 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef MOJO_PUBLIC_CPP_BINDINGS_MESSAGE_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_MESSAGE_H_
-
-#include <vector>
-
-#include "mojo/public/cpp/bindings/lib/message_internal.h"
-#include "mojo/public/cpp/environment/logging.h"
-
-namespace mojo {
-
-// Message is a holder for the data and handles to be sent over a MessagePipe.
-// Message owns its data and handles, but a consumer of Message is free to
-// mutate the data and handles. The message's data is comprised of a header
-// followed by payload.
-class Message {
- public:
-  Message();
-  ~Message();
-
-  void Reset();
-
-  void AllocData(uint32_t num_bytes);
-  void AllocUninitializedData(uint32_t num_bytes);
-
-  // Transfers data and handles to |destination|.
-  void MoveTo(Message* destination);
-
-  uint32_t data_num_bytes() const { return data_num_bytes_; }
-
-  // Access the raw bytes of the message.
-  const uint8_t* data() const {
-    return reinterpret_cast<const uint8_t*>(data_);
-  }
-  uint8_t* mutable_data() { return reinterpret_cast<uint8_t*>(data_); }
-
-  // Access the header.
-  const internal::MessageHeader* header() const { return &data_->header; }
-
-  uint32_t name() const { return data_->header.name; }
-  bool has_flag(uint32_t flag) const { return !!(data_->header.flags & flag); }
-
-  // Access the request_id field (if present).
-  bool has_request_id() const { return data_->header.version >= 1; }
-  uint64_t request_id() const {
-    MOJO_DCHECK(has_request_id());
-    return static_cast<const internal::MessageHeaderWithRequestID*>(
-               &data_->header)->request_id;
-  }
-  void set_request_id(uint64_t request_id) {
-    MOJO_DCHECK(has_request_id());
-    static_cast<internal::MessageHeaderWithRequestID*>(&data_->header)
-        ->request_id = request_id;
-  }
-
-  // Access the payload.
-  const uint8_t* payload() const {
-    return reinterpret_cast<const uint8_t*>(data_) + data_->header.num_bytes;
-  }
-  uint8_t* mutable_payload() {
-    return reinterpret_cast<uint8_t*>(data_) + data_->header.num_bytes;
-  }
-  uint32_t payload_num_bytes() const {
-    MOJO_DCHECK(data_num_bytes_ >= data_->header.num_bytes);
-    return data_num_bytes_ - data_->header.num_bytes;
-  }
-
-  // Access the handles.
-  const std::vector<Handle>* handles() const { return &handles_; }
-  std::vector<Handle>* mutable_handles() { return &handles_; }
-
- private:
-  void Initialize();
-  void FreeDataAndCloseHandles();
-
-  uint32_t data_num_bytes_;
-  internal::MessageData* data_;
-  std::vector<Handle> handles_;
-
-  MOJO_DISALLOW_COPY_AND_ASSIGN(Message);
-};
-
-class MessageReceiver {
- public:
-  virtual ~MessageReceiver() {}
-
-  // The receiver may mutate the given message.  Returns true if the message
-  // was accepted and false otherwise, indicating that the message was invalid
-  // or malformed.
-  virtual bool Accept(Message* message) MOJO_WARN_UNUSED_RESULT = 0;
-};
-
-class MessageReceiverWithResponder : public MessageReceiver {
- public:
-  ~MessageReceiverWithResponder() override {}
-
-  // A variant on Accept that registers a MessageReceiver (known as the
-  // responder) to handle the response message generated from the given
-  // message. The responder's Accept method may be called during
-  // AcceptWithResponder or some time after its return.
-  //
-  // NOTE: Upon returning true, AcceptWithResponder assumes ownership of
-  // |responder| and will delete it after calling |responder->Accept| or upon
-  // its own destruction.
-  //
-  virtual bool AcceptWithResponder(Message* message, MessageReceiver* responder)
-      MOJO_WARN_UNUSED_RESULT = 0;
-};
-
-// A MessageReceiver that is also able to provide status about the state
-// of the underlying MessagePipe to which it will be forwarding messages
-// received via the |Accept()| call.
-class MessageReceiverWithStatus : public MessageReceiver {
- public:
-  ~MessageReceiverWithStatus() override {}
-
-  // Returns |true| if this MessageReceiver is currently bound to a MessagePipe,
-  // the pipe has not been closed, and the pipe has not encountered an error.
-  virtual bool IsValid() = 0;
-};
-
-// An alternative to MessageReceiverWithResponder for cases in which it
-// is necessary for the implementor of this interface to know about the status
-// of the MessagePipe which will carry the responses.
-class MessageReceiverWithResponderStatus : public MessageReceiver {
- public:
-  ~MessageReceiverWithResponderStatus() override {}
-
-  // A variant on Accept that registers a MessageReceiverWithStatus (known as
-  // the responder) to handle the response message generated from the given
-  // message. Any of the responder's methods (Accept or IsValid) may be called
-  // during  AcceptWithResponder or some time after its return.
-  //
-  // NOTE: Upon returning true, AcceptWithResponder assumes ownership of
-  // |responder| and will delete it after calling |responder->Accept| or upon
-  // its own destruction.
-  //
-  virtual bool AcceptWithResponder(Message* message,
-                                   MessageReceiverWithStatus* responder)
-      MOJO_WARN_UNUSED_RESULT = 0;
-};
-
-// Read a single message from the pipe into the supplied |message|. |handle|
-// must be valid. |message| must be non-null and empty (i.e., clear of any data
-// and handles).
-//
-// This method calls into |MojoReadMessage()| and propagates any errors it
-// produces. See mojo/public/c/include/mojo/system/message_pipe.h for a
-// description of its possible return values.
-//
-// NOTE: The message isn't validated and may be malformed!
-MojoResult ReadMessage(MessagePipeHandle handle, Message* message);
-
-// Read a single message from the pipe and dispatch to the given receiver.
-// |handle| must be valid. |receiver| may be null, in which case the read
-// message is simply discarded. If |receiver| is not null, then
-// |receiver_result| should be non-null, and will be set the receiver's return
-// value.
-//
-// This method calls into |MojoReadMessage()| and propagates any errors it
-// produces. See mojo/public/c/include/mojo/system/message_pipe.h for a
-// description of its possible return values.
-MojoResult ReadAndDispatchMessage(MessagePipeHandle handle,
-                                  MessageReceiver* receiver,
-                                  bool* receiver_result);
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_MESSAGE_H_