llvm-project/lldb/source/Core/StreamAsynchronousIO.cpp

54 lines
1.5 KiB
C++

//===-- StreamBroadcast.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include "lldb/lldb-private.h"
#include "lldb/Core/Broadcaster.h"
#include "lldb/Core/Event.h"
#include "lldb/Core/StreamAsynchronousIO.h"
using namespace lldb;
using namespace lldb_private;
StreamAsynchronousIO::StreamAsynchronousIO (Broadcaster &broadcaster, uint32_t broadcast_event_type) :
Stream (0, 4, eByteOrderBig),
m_broadcaster (broadcaster),
m_broadcast_event_type (broadcast_event_type),
m_accumulated_data ()
{
}
StreamAsynchronousIO::~StreamAsynchronousIO ()
{
// Flush when we destroy to make sure we display the data
Flush();
}
void
StreamAsynchronousIO::Flush ()
{
if (!m_accumulated_data.empty())
{
std::unique_ptr<EventDataBytes> data_bytes_ap (new EventDataBytes);
// Let's swap the bytes to avoid LARGE string copies.
data_bytes_ap->SwapBytes (m_accumulated_data);
EventSP new_event_sp (new Event (m_broadcast_event_type, data_bytes_ap.release()));
m_broadcaster.BroadcastEvent (new_event_sp);
}
}
size_t
StreamAsynchronousIO::Write (const void *s, size_t length)
{
m_accumulated_data.append ((const char *)s, length);
return length;
}