Import dEQP.

Import drawElements Quality Program from an internal repository.

Bug: 17388917
Change-Id: Ic109fe4a57e31b2a816113d90fbdf51a43e7abeb
diff --git a/executor/xeTcpIpLink.cpp b/executor/xeTcpIpLink.cpp
new file mode 100644
index 0000000..1778a4f
--- /dev/null
+++ b/executor/xeTcpIpLink.cpp
@@ -0,0 +1,562 @@
+/*-------------------------------------------------------------------------
+ * drawElements Quality Program Test Executor
+ * ------------------------------------------
+ *
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *//*!
+ * \file
+ * \brief Tcp/Ip communication link.
+ *//*--------------------------------------------------------------------*/
+
+#include "xeTcpIpLink.hpp"
+#include "xsProtocol.hpp"
+#include "deClock.h"
+#include "deInt32.h"
+
+namespace xe
+{
+
+enum
+{
+	SEND_BUFFER_BLOCK_SIZE		= 1024,
+	SEND_BUFFER_NUM_BLOCKS		= 64
+};
+
+// Utilities for writing messages out.
+
+static void writeMessageHeader (de::BlockBuffer<deUint8>& dst, xs::MessageType type, int messageSize)
+{
+	deUint8 hdr[xs::MESSAGE_HEADER_SIZE];
+	xs::Message::writeHeader(type, messageSize, &hdr[0], xs::MESSAGE_HEADER_SIZE);
+	dst.write(xs::MESSAGE_HEADER_SIZE, &hdr[0]);
+}
+
+static void writeKeepalive (de::BlockBuffer<deUint8>& dst)
+{
+	writeMessageHeader(dst, xs::MESSAGETYPE_KEEPALIVE, xs::MESSAGE_HEADER_SIZE);
+	dst.flush();
+}
+
+static void writeExecuteBinary (de::BlockBuffer<deUint8>& dst, const char* name, const char* params, const char* workDir, const char* caseList)
+{
+	int		nameSize			= (int)strlen(name)		+ 1;
+	int		paramsSize			= (int)strlen(params)	+ 1;
+	int		workDirSize			= (int)strlen(workDir)	+ 1;
+	int		caseListSize		= (int)strlen(caseList)	+ 1;
+	int		totalSize			= xs::MESSAGE_HEADER_SIZE + nameSize + paramsSize + workDirSize + caseListSize;
+
+	writeMessageHeader(dst, xs::MESSAGETYPE_EXECUTE_BINARY, totalSize);
+	dst.write(nameSize,		(const deUint8*)name);
+	dst.write(paramsSize,	(const deUint8*)params);
+	dst.write(workDirSize,	(const deUint8*)workDir);
+	dst.write(caseListSize,	(const deUint8*)caseList);
+	dst.flush();
+}
+
+static void writeStopExecution (de::BlockBuffer<deUint8>& dst)
+{
+	writeMessageHeader(dst, xs::MESSAGETYPE_STOP_EXECUTION, xs::MESSAGE_HEADER_SIZE);
+	dst.flush();
+}
+
+// TcpIpLinkState
+
+TcpIpLinkState::TcpIpLinkState (CommLinkState initialState, const char* initialErr)
+	: m_state					(initialState)
+	, m_error					(initialErr)
+	, m_lastKeepaliveReceived	(0)
+	, m_stateChangedCallback	(DE_NULL)
+	, m_testLogDataCallback		(DE_NULL)
+	, m_infoLogDataCallback		(DE_NULL)
+	, m_userPtr					(DE_NULL)
+{
+}
+
+TcpIpLinkState::~TcpIpLinkState (void)
+{
+}
+
+CommLinkState TcpIpLinkState::getState (void) const
+{
+	de::ScopedLock lock(m_lock);
+
+	return m_state;
+}
+
+CommLinkState TcpIpLinkState::getState (std::string& error) const
+{
+	de::ScopedLock lock(m_lock);
+
+	error = m_error;
+	return m_state;
+}
+
+void TcpIpLinkState::setCallbacks (CommLink::StateChangedFunc stateChangedCallback, CommLink::LogDataFunc testLogDataCallback, CommLink::LogDataFunc infoLogDataCallback, void* userPtr)
+{
+	de::ScopedLock lock(m_lock);
+
+	m_stateChangedCallback		= stateChangedCallback;
+	m_testLogDataCallback		= testLogDataCallback;
+	m_infoLogDataCallback		= infoLogDataCallback;
+	m_userPtr					= userPtr;
+}
+
+void TcpIpLinkState::setState (CommLinkState state, const char* error)
+{
+	CommLink::StateChangedFunc	callback	= DE_NULL;
+	void*						userPtr		= DE_NULL;
+
+	{
+		de::ScopedLock lock(m_lock);
+
+		m_state = state;
+		m_error	= error;
+
+		callback	= m_stateChangedCallback;
+		userPtr		= m_userPtr;
+	}
+
+	if (callback)
+		callback(userPtr, state, error);
+}
+
+void TcpIpLinkState::onTestLogData (const deUint8* bytes, int numBytes) const
+{
+	CommLink::LogDataFunc	callback	= DE_NULL;
+	void*					userPtr		= DE_NULL;
+
+	m_lock.lock();
+	callback	= m_testLogDataCallback;
+	userPtr		= m_userPtr;
+	m_lock.unlock();
+
+	if (callback)
+		callback(userPtr, bytes, numBytes);
+}
+
+void TcpIpLinkState::onInfoLogData (const deUint8* bytes, int numBytes) const
+{
+	CommLink::LogDataFunc	callback	= DE_NULL;
+	void*					userPtr		= DE_NULL;
+
+	m_lock.lock();
+	callback	= m_infoLogDataCallback;
+	userPtr		= m_userPtr;
+	m_lock.unlock();
+
+	if (callback)
+		callback(userPtr, bytes, numBytes);
+}
+
+void TcpIpLinkState::onKeepaliveReceived (void)
+{
+	de::ScopedLock lock(m_lock);
+	m_lastKeepaliveReceived = deGetMicroseconds();
+}
+
+deUint64 TcpIpLinkState::getLastKeepaliveRecevied (void) const
+{
+	de::ScopedLock lock(m_lock);
+	return m_lastKeepaliveReceived;
+}
+
+// TcpIpSendThread
+
+TcpIpSendThread::TcpIpSendThread (de::Socket& socket, TcpIpLinkState& state)
+	: m_socket		(socket)
+	, m_state		(state)
+	, m_buffer		(SEND_BUFFER_BLOCK_SIZE, SEND_BUFFER_NUM_BLOCKS)
+	, m_isRunning	(false)
+{
+}
+
+TcpIpSendThread::~TcpIpSendThread (void)
+{
+}
+
+void TcpIpSendThread::start (void)
+{
+	DE_ASSERT(!m_isRunning);
+
+	// Reset state.
+	m_buffer.clear();
+	m_isRunning = true;
+
+	de::Thread::start();
+}
+
+void TcpIpSendThread::run (void)
+{
+	try
+	{
+		deUint8 buf[SEND_BUFFER_BLOCK_SIZE];
+
+		while (!m_buffer.isCanceled())
+		{
+			int				numToSend	= 0;
+			int				numSent		= 0;
+			deSocketResult	result		= DE_SOCKETRESULT_LAST;
+
+			try
+			{
+				// Wait for single byte and then try to read more.
+				m_buffer.read(1, &buf[0]);
+				numToSend = 1 + m_buffer.tryRead(DE_LENGTH_OF_ARRAY(buf)-1, &buf[1]);
+			}
+			catch (const de::BlockBuffer<deUint8>::CanceledException&)
+			{
+				// Handled in loop condition.
+			}
+
+			while (numSent < numToSend)
+			{
+				result = m_socket.send(&buf[numSent], numToSend-numSent, &numSent);
+
+				if (result == DE_SOCKETRESULT_CONNECTION_CLOSED)
+					XE_FAIL("Connection closed");
+				else if (result == DE_SOCKETRESULT_CONNECTION_TERMINATED)
+					XE_FAIL("Connection terminated");
+				else if (result == DE_SOCKETRESULT_ERROR)
+					XE_FAIL("Socket error");
+				else if (result == DE_SOCKETRESULT_WOULD_BLOCK)
+				{
+					// \note Socket should not be in non-blocking mode.
+					DE_ASSERT(numSent <= 0);
+					deYield();
+				}
+				else
+					DE_ASSERT(result == DE_SOCKETRESULT_SUCCESS);
+			}
+		}
+	}
+	catch (const std::exception& e)
+	{
+		m_state.setState(COMMLINKSTATE_ERROR, e.what());
+	}
+}
+
+void TcpIpSendThread::stop (void)
+{
+	if (m_isRunning)
+	{
+		m_buffer.cancel();
+		join();
+		m_isRunning = false;
+	}
+}
+
+// TcpIpRecvThread
+
+TcpIpRecvThread::TcpIpRecvThread (de::Socket& socket, TcpIpLinkState& state)
+	: m_socket		(socket)
+	, m_state		(state)
+	, m_curMsgPos	(0)
+	, m_isRunning	(false)
+{
+}
+
+TcpIpRecvThread::~TcpIpRecvThread (void)
+{
+}
+
+void TcpIpRecvThread::start (void)
+{
+	DE_ASSERT(!m_isRunning);
+
+	// Reset state.
+	m_curMsgPos = 0;
+	m_isRunning = true;
+
+	de::Thread::start();
+}
+
+void TcpIpRecvThread::run (void)
+{
+	try
+	{
+		for (;;)
+		{
+			bool				hasHeader		= m_curMsgPos >= xs::MESSAGE_HEADER_SIZE;
+			bool				hasPayload		= false;
+			int					messageSize		= 0;
+			xs::MessageType		messageType		= (xs::MessageType)0;
+
+			if (hasHeader)
+			{
+				xs::Message::parseHeader(&m_curMsgBuf[0], xs::MESSAGE_HEADER_SIZE, messageType, messageSize);
+				hasPayload = m_curMsgPos >= messageSize;
+			}
+
+			if (hasPayload)
+			{
+				// Process message.
+				handleMessage(messageType, m_curMsgPos > xs::MESSAGE_HEADER_SIZE ? &m_curMsgBuf[xs::MESSAGE_HEADER_SIZE] : DE_NULL, messageSize-xs::MESSAGE_HEADER_SIZE);
+				m_curMsgPos = 0;
+			}
+			else
+			{
+				// Try to receive missing bytes.
+				int					curSize			= hasHeader ? messageSize : xs::MESSAGE_HEADER_SIZE;
+				int					bytesToRecv		= curSize-m_curMsgPos;
+				int					numRecv			= 0;
+				deSocketResult		result			= DE_SOCKETRESULT_LAST;
+
+				if ((int)m_curMsgBuf.size() < curSize)
+					m_curMsgBuf.resize(curSize);
+
+				result = m_socket.receive(&m_curMsgBuf[m_curMsgPos], bytesToRecv, &numRecv);
+
+				if (result == DE_SOCKETRESULT_CONNECTION_CLOSED)
+					XE_FAIL("Connection closed");
+				else if (result == DE_SOCKETRESULT_CONNECTION_TERMINATED)
+					XE_FAIL("Connection terminated");
+				else if (result == DE_SOCKETRESULT_ERROR)
+					XE_FAIL("Socket error");
+				else if (result == DE_SOCKETRESULT_WOULD_BLOCK)
+				{
+					// \note Socket should not be in non-blocking mode.
+					DE_ASSERT(numRecv <= 0);
+					deYield();
+				}
+				else
+				{
+					DE_ASSERT(result == DE_SOCKETRESULT_SUCCESS);
+					DE_ASSERT(numRecv <= bytesToRecv);
+					m_curMsgPos += numRecv;
+					// Continue receiving bytes / handle message in next iter.
+				}
+			}
+		}
+	}
+	catch (const std::exception& e)
+	{
+		m_state.setState(COMMLINKSTATE_ERROR, e.what());
+	}
+}
+
+void TcpIpRecvThread::stop (void)
+{
+	if (m_isRunning)
+	{
+		// \note Socket must be closed before terminating receive thread.
+		XE_CHECK(!m_socket.isReceiveOpen());
+
+		join();
+		m_isRunning = false;
+	}
+}
+
+void TcpIpRecvThread::handleMessage (xs::MessageType messageType, const deUint8* data, int dataSize)
+{
+	switch (messageType)
+	{
+		case xs::MESSAGETYPE_KEEPALIVE:
+			m_state.onKeepaliveReceived();
+			break;
+
+		case xs::MESSAGETYPE_PROCESS_STARTED:
+			XE_CHECK_MSG(m_state.getState() == COMMLINKSTATE_TEST_PROCESS_LAUNCHING, "Unexpected PROCESS_STARTED message");
+			m_state.setState(COMMLINKSTATE_TEST_PROCESS_RUNNING);
+			break;
+
+		case xs::MESSAGETYPE_PROCESS_LAUNCH_FAILED:
+		{
+			xs::ProcessLaunchFailedMessage msg(data, dataSize);
+			XE_CHECK_MSG(m_state.getState() == COMMLINKSTATE_TEST_PROCESS_LAUNCHING, "Unexpected PROCESS_LAUNCH_FAILED message");
+			m_state.setState(COMMLINKSTATE_TEST_PROCESS_LAUNCH_FAILED, msg.reason.c_str());
+			break;
+		}
+
+		case xs::MESSAGETYPE_PROCESS_FINISHED:
+		{
+			XE_CHECK_MSG(m_state.getState() == COMMLINKSTATE_TEST_PROCESS_RUNNING, "Unexpected PROCESS_FINISHED message");
+			xs::ProcessFinishedMessage msg(data, dataSize);
+			m_state.setState(COMMLINKSTATE_TEST_PROCESS_FINISHED);
+			DE_UNREF(msg); // \todo [2012-06-19 pyry] Report exit code.
+			break;
+		}
+
+		case xs::MESSAGETYPE_PROCESS_LOG_DATA:
+		case xs::MESSAGETYPE_INFO:
+			// Ignore leading \0 if such is present. \todo [2012-06-19 pyry] Improve protocol.
+			if (data[dataSize-1] == 0)
+				dataSize -= 1;
+
+			if (messageType == xs::MESSAGETYPE_PROCESS_LOG_DATA)
+			{
+				XE_CHECK_MSG(m_state.getState() == COMMLINKSTATE_TEST_PROCESS_RUNNING, "Unexpected PROCESS_LOG_DATA message");
+				m_state.onTestLogData(&data[0], dataSize);
+			}
+			else
+				m_state.onInfoLogData(&data[0], dataSize);
+			break;
+
+		default:
+			XE_FAIL("Unknown message");
+	}
+}
+
+// TcpIpLink
+
+TcpIpLink::TcpIpLink (void)
+	: m_state			(COMMLINKSTATE_ERROR, "Not connected")
+	, m_sendThread		(m_socket, m_state)
+	, m_recvThread		(m_socket, m_state)
+	, m_keepaliveTimer	(DE_NULL)
+{
+	m_keepaliveTimer = deTimer_create(keepaliveTimerCallback, this);
+	XE_CHECK(m_keepaliveTimer);
+}
+
+TcpIpLink::~TcpIpLink (void)
+{
+	try
+	{
+		closeConnection();
+	}
+	catch (...)
+	{
+		// Can't do much except to ignore error.
+	}
+	deTimer_destroy(m_keepaliveTimer);
+}
+
+void TcpIpLink::closeConnection (void)
+{
+	{
+		deSocketState state = m_socket.getState();
+		if (state != DE_SOCKETSTATE_DISCONNECTED && state != DE_SOCKETSTATE_CLOSED)
+			m_socket.shutdown();
+	}
+
+	if (deTimer_isActive(m_keepaliveTimer))
+		deTimer_disable(m_keepaliveTimer);
+
+	if (m_sendThread.isRunning())
+		m_sendThread.stop();
+
+	if (m_recvThread.isRunning())
+		m_recvThread.stop();
+
+	if (m_socket.getState() != DE_SOCKETSTATE_CLOSED)
+		m_socket.close();
+}
+
+void TcpIpLink::connect (const de::SocketAddress& address)
+{
+	XE_CHECK(m_socket.getState() == DE_SOCKETSTATE_CLOSED);
+	XE_CHECK(m_state.getState() == COMMLINKSTATE_ERROR);
+	XE_CHECK(!m_sendThread.isRunning());
+	XE_CHECK(!m_recvThread.isRunning());
+
+	m_socket.connect(address);
+
+	try
+	{
+		// Clear error and set state to ready.
+		m_state.setState(COMMLINKSTATE_READY, "");
+		m_state.onKeepaliveReceived();
+
+		// Launch threads.
+		m_sendThread.start();
+		m_recvThread.start();
+
+		XE_CHECK(deTimer_scheduleInterval(m_keepaliveTimer, xs::KEEPALIVE_SEND_INTERVAL));
+	}
+	catch (const std::exception& e)
+	{
+		closeConnection();
+		m_state.setState(COMMLINKSTATE_ERROR, e.what());
+	}
+}
+
+void TcpIpLink::disconnect (void)
+{
+	try
+	{
+		closeConnection();
+		m_state.setState(COMMLINKSTATE_ERROR, "Not connected");
+	}
+	catch (const std::exception& e)
+	{
+		m_state.setState(COMMLINKSTATE_ERROR, e.what());
+	}
+}
+
+void TcpIpLink::reset (void)
+{
+	// \note Just clears error state if we are connected.
+	if (m_socket.getState() == DE_SOCKETSTATE_CONNECTED)
+	{
+		m_state.setState(COMMLINKSTATE_READY, "");
+
+		// \todo [2012-07-10 pyry] Do we need to reset send/receive buffers?
+	}
+	else
+		disconnect(); // Abnormal state/usage. Disconnect socket.
+}
+
+void TcpIpLink::keepaliveTimerCallback (void* ptr)
+{
+	TcpIpLink*	link			= static_cast<TcpIpLink*>(ptr);
+	deUint64	lastKeepalive	= link->m_state.getLastKeepaliveRecevied();
+	deUint64	curTime			= deGetMicroseconds();
+
+	// Check for timeout.
+	if ((deInt64)curTime-(deInt64)lastKeepalive > xs::KEEPALIVE_TIMEOUT*1000)
+		link->m_state.setState(COMMLINKSTATE_ERROR, "Keepalive timeout");
+
+	// Enqueue new keepalive.
+	try
+	{
+		writeKeepalive(link->m_sendThread.getBuffer());
+	}
+	catch (const de::BlockBuffer<deUint8>::CanceledException&)
+	{
+		// Ignore. Can happen in connection teardown.
+	}
+}
+
+CommLinkState TcpIpLink::getState (void) const
+{
+	return m_state.getState();
+}
+
+CommLinkState TcpIpLink::getState (std::string& message) const
+{
+	return m_state.getState(message);
+}
+
+void TcpIpLink::setCallbacks (StateChangedFunc stateChangedCallback, LogDataFunc testLogDataCallback, LogDataFunc infoLogDataCallback, void* userPtr)
+{
+	m_state.setCallbacks(stateChangedCallback, testLogDataCallback, infoLogDataCallback, userPtr);
+}
+
+void TcpIpLink::startTestProcess (const char* name, const char* params, const char* workingDir, const char* caseList)
+{
+	XE_CHECK(m_state.getState() == COMMLINKSTATE_READY);
+
+	m_state.setState(COMMLINKSTATE_TEST_PROCESS_LAUNCHING);
+	writeExecuteBinary(m_sendThread.getBuffer(), name, params, workingDir, caseList);
+}
+
+void TcpIpLink::stopTestProcess (void)
+{
+	XE_CHECK(m_state.getState() != COMMLINKSTATE_ERROR);
+	writeStopExecution(m_sendThread.getBuffer());
+}
+
+} // xe