blob: 5a2a3bda4df636ab0b3cb220791b18188b5164bd [file] [log] [blame]
/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_TESTUTILS_H_
#define RTC_BASE_TESTUTILS_H_
// Utilities for testing rtc infrastructure in unittests
#include <map>
#include <utility>
#include "rtc_base/asyncsocket.h"
#include "rtc_base/stream.h"
#include "rtc_base/third_party/sigslot/sigslot.h"
namespace webrtc {
namespace testing {
using namespace rtc;
///////////////////////////////////////////////////////////////////////////////
// StreamSink - Monitor asynchronously signalled events from StreamInterface
// or AsyncSocket (which should probably be a StreamInterface.
///////////////////////////////////////////////////////////////////////////////
// Note: Any event that is an error is treaded as SSE_ERROR instead of that
// event.
enum StreamSinkEvent {
SSE_OPEN = SE_OPEN,
SSE_READ = SE_READ,
SSE_WRITE = SE_WRITE,
SSE_CLOSE = SE_CLOSE,
SSE_ERROR = 16
};
class StreamSink : public sigslot::has_slots<> {
public:
StreamSink();
~StreamSink() override;
void Monitor(StreamInterface* stream) {
stream->SignalEvent.connect(this, &StreamSink::OnEvent);
events_.erase(stream);
}
void Unmonitor(StreamInterface* stream) {
stream->SignalEvent.disconnect(this);
// In case you forgot to unmonitor a previous object with this address
events_.erase(stream);
}
bool Check(StreamInterface* stream,
StreamSinkEvent event,
bool reset = true) {
return DoCheck(stream, event, reset);
}
int Events(StreamInterface* stream, bool reset = true) {
return DoEvents(stream, reset);
}
void Monitor(AsyncSocket* socket) {
socket->SignalConnectEvent.connect(this, &StreamSink::OnConnectEvent);
socket->SignalReadEvent.connect(this, &StreamSink::OnReadEvent);
socket->SignalWriteEvent.connect(this, &StreamSink::OnWriteEvent);
socket->SignalCloseEvent.connect(this, &StreamSink::OnCloseEvent);
// In case you forgot to unmonitor a previous object with this address
events_.erase(socket);
}
void Unmonitor(AsyncSocket* socket) {
socket->SignalConnectEvent.disconnect(this);
socket->SignalReadEvent.disconnect(this);
socket->SignalWriteEvent.disconnect(this);
socket->SignalCloseEvent.disconnect(this);
events_.erase(socket);
}
bool Check(AsyncSocket* socket, StreamSinkEvent event, bool reset = true) {
return DoCheck(socket, event, reset);
}
int Events(AsyncSocket* socket, bool reset = true) {
return DoEvents(socket, reset);
}
private:
typedef std::map<void*, int> EventMap;
void OnEvent(StreamInterface* stream, int events, int error) {
if (error) {
events = SSE_ERROR;
}
AddEvents(stream, events);
}
void OnConnectEvent(AsyncSocket* socket) { AddEvents(socket, SSE_OPEN); }
void OnReadEvent(AsyncSocket* socket) { AddEvents(socket, SSE_READ); }
void OnWriteEvent(AsyncSocket* socket) { AddEvents(socket, SSE_WRITE); }
void OnCloseEvent(AsyncSocket* socket, int error) {
AddEvents(socket, (0 == error) ? SSE_CLOSE : SSE_ERROR);
}
void AddEvents(void* obj, int events) {
EventMap::iterator it = events_.find(obj);
if (events_.end() == it) {
events_.insert(EventMap::value_type(obj, events));
} else {
it->second |= events;
}
}
bool DoCheck(void* obj, StreamSinkEvent event, bool reset) {
EventMap::iterator it = events_.find(obj);
if ((events_.end() == it) || (0 == (it->second & event))) {
return false;
}
if (reset) {
it->second &= ~event;
}
return true;
}
int DoEvents(void* obj, bool reset) {
EventMap::iterator it = events_.find(obj);
if (events_.end() == it)
return 0;
int events = it->second;
if (reset) {
it->second = 0;
}
return events;
}
EventMap events_;
};
} // namespace testing
} // namespace webrtc
#endif // RTC_BASE_TESTUTILS_H_