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// Copyright 2016 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.
#include "mojo/edk/system/data_pipe_control_message.h"
#include "mojo/edk/embedder/platform_handle_vector.h"
#include "mojo/edk/system/node_controller.h"
#include "mojo/edk/system/ports_message.h"
namespace mojo {
namespace edk {
void SendDataPipeControlMessage(NodeController* node_controller,
const ports::PortRef& port,
DataPipeCommand command,
uint32_t num_bytes) {
std::unique_ptr<PortsMessage> message =
PortsMessage::NewUserMessage(sizeof(DataPipeControlMessage), 0, 0);
CHECK(message);
DataPipeControlMessage* data =
static_cast<DataPipeControlMessage*>(message->mutable_payload_bytes());
data->command = command;
data->num_bytes = num_bytes;
int rv = node_controller->SendMessage(port, std::move(message));
if (rv != ports::OK && rv != ports::ERROR_PORT_PEER_CLOSED) {
DLOG(ERROR) << "Unexpected failure sending data pipe control message: "
<< rv;
}
}
} // namespace edk
} // namespace mojo
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