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Unified Diff: mojo/public/bindings/message.h

Issue 218613010: Mojo: Move mojo/public/bindings/*.h to mojo/public/cpp/bindings/*.h. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 9 months ago
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Index: mojo/public/bindings/message.h
diff --git a/mojo/public/bindings/message.h b/mojo/public/bindings/message.h
deleted file mode 100644
index 90a953393bb37e0abca2c367b923c45a81448761..0000000000000000000000000000000000000000
--- a/mojo/public/bindings/message.h
+++ /dev/null
@@ -1,112 +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_BINDINGS_MESSAGE_H_
-#define MOJO_PUBLIC_BINDINGS_MESSAGE_H_
-
-#include <assert.h>
-
-#include <vector>
-
-#include "mojo/public/bindings/lib/message_internal.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();
-
- // These may only be called on a newly created Message object.
- void AllocUninitializedData(uint32_t num_bytes);
- void AdoptData(uint32_t num_bytes, internal::MessageData* data);
-
- // Swaps data and handles between this Message and another.
- void Swap(Message* other);
-
- 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.num_fields >= 3; }
- uint64_t request_id() const {
- assert(has_request_id());
- return static_cast<const internal::MessageHeaderWithRequestID*>(
- &data_->header)->request_id;
- }
- void set_request_id(uint64_t request_id) {
- assert(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;
- }
-
- // Access the handles.
- const std::vector<Handle>* handles() const { return &handles_; }
- std::vector<Handle>* mutable_handles() { return &handles_; }
-
- private:
- uint32_t data_num_bytes_;
- internal::MessageData* data_; // Heap-allocated using malloc.
- 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) = 0;
-
- // 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) = 0;
-};
-
-// Read a single message from the pipe and dispatch to the given receiver. The
-// receiver may be null, in which case the message is simply discarded.
-// Returns MOJO_RESULT_SHOULD_WAIT if the caller should wait on the handle to
-// become readable. Returns MOJO_RESULT_OK if a message was dispatched and
-// otherwise returns an error code if something went wrong.
-MojoResult ReadAndDispatchMessage(MessagePipeHandle handle,
- MessageReceiver* receiver,
- bool* receiver_result);
-
-} // namespace mojo
-
-#endif // MOJO_PUBLIC_BINDINGS_MESSAGE_H_
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