Fold //ipc/mojo into //ipc.
BUG=604282
NOPRESUBMIT=true
Review-Url: https://codereview.chromium.org/2069803003
Cr-Commit-Position: refs/heads/master@{#401559}
diff --git a/ipc/ipc_mojo_bootstrap.h b/ipc/ipc_mojo_bootstrap.h
new file mode 100644
index 0000000..312003a
--- /dev/null
+++ b/ipc/ipc_mojo_bootstrap.h
@@ -0,0 +1,84 @@
+// 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 IPC_IPC_MOJO_BOOTSTRAP_H_
+#define IPC_IPC_MOJO_BOOTSTRAP_H_
+
+#include <stdint.h>
+
+#include <memory>
+
+#include "base/macros.h"
+#include "base/process/process_handle.h"
+#include "build/build_config.h"
+#include "ipc/ipc.mojom.h"
+#include "ipc/ipc_channel.h"
+#include "ipc/ipc_listener.h"
+#include "mojo/public/cpp/system/message_pipe.h"
+
+namespace IPC {
+
+// MojoBootstrap establishes a pair of associated interfaces between two
+// processes in Chrome.
+//
+// Clients should implement MojoBootstrap::Delegate to get the associated pipes
+// from MojoBootstrap object.
+//
+// This lives on IO thread other than Create(), which can be called from
+// UI thread as Channel::Create() can be.
+class IPC_EXPORT MojoBootstrap {
+ public:
+ class Delegate {
+ public:
+ virtual void OnPipesAvailable(
+ mojom::ChannelAssociatedPtrInfo send_channel,
+ mojom::ChannelAssociatedRequest receive_channel,
+ int32_t peer_pid) = 0;
+ virtual void OnBootstrapError() = 0;
+ };
+
+ // Create the MojoBootstrap instance, using |handle| as the message pipe, in
+ // mode as specified by |mode|. The result is passed to |delegate|.
+ static std::unique_ptr<MojoBootstrap> Create(
+ mojo::ScopedMessagePipeHandle handle,
+ Channel::Mode mode,
+ Delegate* delegate);
+
+ MojoBootstrap();
+ virtual ~MojoBootstrap();
+
+ // Start the handshake over the underlying message pipe.
+ virtual void Connect() = 0;
+
+ // GetSelfPID returns our PID.
+ base::ProcessId GetSelfPID() const;
+
+ protected:
+ // On MojoServerBootstrap: INITIALIZED -> WAITING_ACK -> READY
+ // On MojoClientBootstrap: INITIALIZED -> READY
+ // STATE_ERROR is a catch-all state that captures any observed error.
+ enum State { STATE_INITIALIZED, STATE_WAITING_ACK, STATE_READY, STATE_ERROR };
+
+ Delegate* delegate() const { return delegate_; }
+ void Fail();
+ bool HasFailed() const;
+
+ State state() const { return state_; }
+ void set_state(State state) { state_ = state; }
+
+ mojo::ScopedMessagePipeHandle TakeHandle();
+
+ private:
+ void Init(mojo::ScopedMessagePipeHandle, Delegate* delegate);
+
+ mojo::ScopedMessagePipeHandle handle_;
+ Delegate* delegate_;
+ State state_;
+
+ DISALLOW_COPY_AND_ASSIGN(MojoBootstrap);
+};
+
+} // namespace IPC
+
+#endif // IPC_IPC_MOJO_BOOTSTRAP_H_
