Merge remote-tracking branch 'origin/master' into jerry-sandbox

plugin-unix.diff

@@ -0,0 +1,15 @@
+diff --git a/src/lib/arch/unix/ArchPluginUnix.cpp b/src/lib/arch/unix/ArchPluginUnix.cpp
+index 997c274..3e390f0 100644
+--- a/src/lib/arch/unix/ArchPluginUnix.cpp
++++ b/src/lib/arch/unix/ArchPluginUnix.cpp
+@@ -76,8 +76,8 @@ ArchPluginUnix::load()
+ 		void* library = dlopen(path.c_str(), RTLD_LAZY);
+ 
+ 		if (library == NULL) {
+-			LOG((CLOG_ERR "failed to load plugin: %s", (*it).c_str()));
+-			throw XArch(dlerror());
++			LOG((CLOG_ERR "failed to load plugin '%s', error: %s", (*it).c_str(), dlerror()));
++			continue;
+ 		}
+ 
+ 		String filename = synergy::string::removeFileExt(*it);

src/lib/arch/win32/ArchMiscWindows.cpp

@@ -60,6 +60,9 @@ ArchMiscWindows::cleanup()
 void
 ArchMiscWindows::init()
 {
+	// stop windows system error dialogs from showing.
+	SetErrorMode(SEM_FAILCRITICALERRORS);
+
 	s_dialogs = new Dialogs;
 }
 

src/lib/arch/win32/ArchPluginWindows.cpp

@@ -60,8 +60,9 @@ ArchPluginWindows::load()
 		HINSTANCE library = LoadLibrary(path.c_str());
 
 		if (library == NULL) {
-			LOG((CLOG_ERR "failed to load plugin: %s %d", (*it).c_str(), GetLastError()));
-			throw XArch(new XArchEvalWindows);
+			String error = XArchEvalWindows().eval();
+			LOG((CLOG_ERR "failed to load plugin '%s', error: %s", (*it).c_str(), error.c_str()));
+			continue;
 		}
 
 		void* lib = reinterpret_cast<void*>(library);

src/lib/base/log_outputters.cpp

@@ -22,6 +22,10 @@
 
 #include <fstream>
 
+enum EFileLogOutputter {
+	kFileSizeLimit = 1024 // kb
+};
+
 //
 // StopLogOutputter
 //
@@ -252,13 +256,27 @@ FileLogOutputter::setLogFilename(const char* logFile)
 bool
 FileLogOutputter::write(ELevel level, const char *message)
 {
+	bool moveFile = false;
+
 	std::ofstream m_handle;
 	m_handle.open(m_fileName.c_str(), std::fstream::app);
 	if (m_handle.is_open() && m_handle.fail() != true) {
 		m_handle << message << std::endl;
+
+		// when file size exceeds limits, move to 'old log' filename.
+		int p = m_handle.tellp();
+		if (p > (kFileSizeLimit * 1024)) {
+			moveFile = true;
+		}
 	}
 	m_handle.close();
 
+	if (moveFile) {
+		String oldLogFilename = synergy::string::sprintf("%s.1", m_fileName.c_str());
+		remove(oldLogFilename.c_str());
+		rename(m_fileName.c_str(), oldLogFilename.c_str());
+	}
+
 	return true;
 }
 

src/lib/ipc/IpcLogOutputter.cpp

@@ -30,17 +30,28 @@
 #include "base/TMethodEventJob.h"
 #include "base/TMethodJob.h"
 
-// limit number of log lines sent in one message.
-#define MAX_SEND 100
+enum EIpcLogOutputter {
+	kBufferMaxSize = 1000,
+	kMaxSendLines = 100,
+	kBufferRateWriteLimit = 1000, // writes per kBufferRateTime
+	kBufferRateTimeLimit = 1 // seconds
+};
 
 IpcLogOutputter::IpcLogOutputter(IpcServer& ipcServer) :
-m_ipcServer(ipcServer),
-m_bufferMutex(ARCH->newMutex()),
-m_sending(false),
-m_running(true),
-m_notifyCond(ARCH->newCondVar()),
-m_notifyMutex(ARCH->newMutex()),
-m_bufferWaiting(false)
+	m_ipcServer(ipcServer),
+	m_bufferMutex(ARCH->newMutex()),
+	m_sending(false),
+	m_running(true),
+	m_notifyCond(ARCH->newCondVar()),
+	m_notifyMutex(ARCH->newMutex()),
+	m_bufferWaiting(false),
+	m_bufferMaxSize(kBufferMaxSize),
+	m_bufferEmptyCond(ARCH->newCondVar()),
+	m_bufferEmptyMutex(ARCH->newMutex()),
+	m_bufferRateWriteLimit(kBufferRateWriteLimit),
+	m_bufferRateTimeLimit(kBufferRateTimeLimit),
+	m_bufferWriteCount(0),
+	m_bufferRateStart(ARCH->time())
 {
 	m_bufferThread = new Thread(new TMethodJob<IpcLogOutputter>(
 		this, &IpcLogOutputter::bufferThread));
@@ -48,15 +59,20 @@ m_bufferWaiting(false)
 
 IpcLogOutputter::~IpcLogOutputter()
 {
-	m_running = false;
-	notifyBuffer();
-	m_bufferThread->wait(5);
+	close();
 
 	ARCH->closeMutex(m_bufferMutex);
 	delete m_bufferThread;
 
 	ARCH->closeCondVar(m_notifyCond);
 	ARCH->closeMutex(m_notifyMutex);
+
+	ARCH->closeCondVar(m_bufferEmptyCond);
+	
+#ifndef WINAPI_CARBON
+	// HACK: assert fails on mac debug, can't see why.
+	ARCH->closeMutex(m_bufferEmptyMutex);
+#endif // WINAPI_CARBON
 }
 
 void
@@ -67,6 +83,9 @@ IpcLogOutputter::open(const char* title)
 void
 IpcLogOutputter::close()
 {
+	m_running = false;
+	notifyBuffer();
+	m_bufferThread->wait(5);
 }
 
 void
@@ -107,7 +126,27 @@ void
 IpcLogOutputter::appendBuffer(const String& text)
 {
 	ArchMutexLock lock(m_bufferMutex);
-	m_buffer.push(text);
+
+	double elapsed = ARCH->time() - m_bufferRateStart;
+	if (elapsed < m_bufferRateTimeLimit) {
+		if (m_bufferWriteCount >= m_bufferRateWriteLimit) {
+			// discard the log line if we've logged too much.
+			return;
+		}
+	}
+	else {
+		m_bufferWriteCount = 0;
+		m_bufferRateStart = ARCH->time();
+	}
+
+	if (m_buffer.size() >= m_bufferMaxSize) {
+		// if the queue is exceeds size limit,
+		// throw away the oldest item
+		m_buffer.pop_front();
+	}
+
+	m_buffer.push_back(text);
+	m_bufferWriteCount++;
 }
 
 void
@@ -133,6 +172,11 @@ IpcLogOutputter::bufferThread(void*)
 				break;
 			}
 
+			if (m_buffer.empty()) {
+				ArchMutexLock lock(m_bufferEmptyMutex);
+				ARCH->broadcastCondVar(m_bufferEmptyCond);
+			}
+
 			m_bufferWaiting = true;
 			ARCH->waitCondVar(m_notifyCond, m_notifyMutex, -1);
 			m_bufferWaiting = false;
@@ -168,7 +212,7 @@ IpcLogOutputter::getChunk(size_t count)
 	for (size_t i = 0; i < count; i++) {
 		chunk.append(m_buffer.front());
 		chunk.append("\n");
-		m_buffer.pop();
+		m_buffer.pop_front();
 	}
 	return chunk;
 }
@@ -176,9 +220,34 @@ IpcLogOutputter::getChunk(size_t count)
 void
 IpcLogOutputter::sendBuffer()
 {
-	IpcLogLineMessage message(getChunk(MAX_SEND));
+	IpcLogLineMessage message(getChunk(kMaxSendLines));
 
 	m_sending = true;
 	m_ipcServer.send(message, kIpcClientGui);
 	m_sending = false;
 }
+
+void
+IpcLogOutputter::bufferMaxSize(UInt16 bufferMaxSize)
+{
+	m_bufferMaxSize = bufferMaxSize;
+}
+
+UInt16
+IpcLogOutputter::bufferMaxSize() const
+{
+	return m_bufferMaxSize;
+}
+
+void
+IpcLogOutputter::waitForEmpty()
+{
+	ARCH->waitCondVar(m_bufferEmptyCond, m_bufferEmptyMutex, -1);
+}
+
+void
+IpcLogOutputter::bufferRateLimit(UInt16 writeLimit, double timeLimit)
+{
+	m_bufferRateWriteLimit = writeLimit;
+	m_bufferRateTimeLimit = timeLimit;
+}

src/lib/ipc/IpcLogOutputter.h

@@ -22,7 +22,7 @@
 #include "arch/IArchMultithread.h"
 #include "base/ILogOutputter.h"
 
-#include <queue>
+#include <deque>
 
 class IpcServer;
 class Event;
@@ -42,6 +42,9 @@ public:
 	virtual void		close();
 	virtual void		show(bool showIfEmpty);
 	virtual bool		write(ELevel level, const char* message);
+	
+	//! @name manipulators
+	//@{
 
 	//! Same as write, but allows message to sidestep anti-recursion mechanism.
 	bool				write(ELevel level, const char* text, bool force);
@@ -49,24 +52,64 @@ public:
 	//! Notify that the buffer should be sent.
 	void				notifyBuffer();
 
+	//! Set the buffer size.
+	/*!
+	Set the maximum size of the buffer to protect memory
+	from runaway logging.
+	*/
+	void				bufferMaxSize(UInt16 bufferMaxSize);
+	
+	//! Wait for empty buffer
+	/*!
+	Wait on a cond var until the buffer is empty.
+	*/
+	void				waitForEmpty();
+
+	//! Set the buffer size.
+	/*!
+	Set the maximum number of \p writeRate for every \p timeRate in seconds.
+	*/
+	void				bufferRateLimit(UInt16 writeLimit, double timeLimit);
+	
+	//@}
+	
+	//! @name accessors
+	//@{
+	
+	//! Get the buffer size
+	/*!
+	Returns the maximum size of the buffer.
+	*/
+	UInt16				bufferMaxSize() const;
+	
+	//@}
+
 private:
+	void				init();
 	void				bufferThread(void*);
 	String				getChunk(size_t count);
 	void				sendBuffer();
 	void				appendBuffer(const String& text);
 
 private:
-	typedef std::queue<String> Buffer;
+	typedef std::deque<String> Buffer;
 
 	IpcServer&			m_ipcServer;
 	Buffer				m_buffer;
 	ArchMutex			m_bufferMutex;
 	bool				m_sending;
-	Thread*			m_bufferThread;
+	Thread*				m_bufferThread;
 	bool				m_running;
 	ArchCond			m_notifyCond;
 	ArchMutex			m_notifyMutex;
 	bool				m_bufferWaiting;
 	IArchMultithread::ThreadID
 						m_bufferThreadId;
+	UInt16				m_bufferMaxSize;
+	ArchCond			m_bufferEmptyCond;
+	ArchMutex			m_bufferEmptyMutex;
+	UInt16				m_bufferRateWriteLimit;
+	double				m_bufferRateTimeLimit;
+	UInt16				m_bufferWriteCount;
+	double				m_bufferRateStart;
 };

src/lib/ipc/IpcServer.cpp

@@ -33,17 +33,20 @@
 //
 
 IpcServer::IpcServer(IEventQueue* events, SocketMultiplexer* socketMultiplexer) :
-	m_socket(events, socketMultiplexer),
-	m_address(NetworkAddress(IPC_HOST, IPC_PORT)),
-	m_events(events)
+	m_mock(false),
+	m_events(events),
+	m_socketMultiplexer(socketMultiplexer),
+	m_socket(nullptr),
+	m_address(NetworkAddress(IPC_HOST, IPC_PORT))
 {
 	init();
 }
 
 IpcServer::IpcServer(IEventQueue* events, SocketMultiplexer* socketMultiplexer, int port) :
-	m_socket(events, socketMultiplexer),
-	m_address(NetworkAddress(IPC_HOST, port)),
-	m_events(events)
+	m_mock(false),
+	m_events(events),
+	m_socketMultiplexer(socketMultiplexer),
+	m_address(NetworkAddress(IPC_HOST, port))
 {
 	init();
 }
@@ -51,17 +54,27 @@ IpcServer::IpcServer(IEventQueue* events, SocketMultiplexer* socketMultiplexer,
 void
 IpcServer::init()
 {
+	m_socket = new TCPListenSocket(m_events, m_socketMultiplexer);
+
 	m_clientsMutex = ARCH->newMutex();
 	m_address.resolve();
 
 	m_events->adoptHandler(
-		m_events->forIListenSocket().connecting(), &m_socket,
+		m_events->forIListenSocket().connecting(), m_socket,
 		new TMethodEventJob<IpcServer>(
 		this, &IpcServer::handleClientConnecting));
 }
 
 IpcServer::~IpcServer()
 {
+	if (m_mock) {
+		return;
+	}
+
+	if (m_socket != nullptr) {
+		delete m_socket;
+	}
+
 	ARCH->lockMutex(m_clientsMutex);
 	ClientList::iterator it;
 	for (it = m_clients.begin(); it != m_clients.end(); it++) {
@@ -71,19 +84,19 @@ IpcServer::~IpcServer()
 	ARCH->unlockMutex(m_clientsMutex);
 	ARCH->closeMutex(m_clientsMutex);
 	
-	m_events->removeHandler(m_events->forIListenSocket().connecting(), &m_socket);
+	m_events->removeHandler(m_events->forIListenSocket().connecting(), m_socket);
 }
 
 void
 IpcServer::listen()
 {
-	m_socket.bind(m_address);
+	m_socket->bind(m_address);
 }
 
 void
 IpcServer::handleClientConnecting(const Event&, void*)
 {
-	synergy::IStream* stream = m_socket.accept();
+	synergy::IStream* stream = m_socket->accept();
 	if (stream == NULL) {
 		return;
 	}

src/lib/ipc/IpcServer.h

@@ -49,17 +49,17 @@ public:
 	//@{
 
 	//! Opens a TCP socket only allowing local connections.
-	void				listen();
+	virtual void		listen();
 
 	//! Send a message to all clients matching the filter type.
-	void				send(const IpcMessage& message, EIpcClientType filterType);
+	virtual void		send(const IpcMessage& message, EIpcClientType filterType);
 
 	//@}
 	//! @name accessors
 	//@{
 
 	//! Returns true when there are clients of the specified type connected.
-	bool				hasClients(EIpcClientType clientType) const;
+	virtual bool		hasClients(EIpcClientType clientType) const;
 
 	//@}
 
@@ -72,10 +72,21 @@ private:
 
 private:
 	typedef std::list<IpcClientProxy*> ClientList;
-
-	TCPListenSocket		m_socket;
+	
+	bool				m_mock;
+	IEventQueue*		m_events;
+	SocketMultiplexer*	m_socketMultiplexer;
+	TCPListenSocket*	m_socket;
 	NetworkAddress		m_address;
 	ClientList			m_clients;
 	ArchMutex			m_clientsMutex;
-	IEventQueue*		m_events;
+
+#ifdef TEST_ENV
+public:
+	IpcServer() :
+		m_mock(true),
+		m_events(nullptr),
+		m_socketMultiplexer(nullptr),
+		m_socket(nullptr) { }
+#endif
 };

src/lib/synergy/ToolApp.cpp

@@ -63,6 +63,7 @@ ToolApp::run(int argc, char** argv)
 				return kExitFailed;
 			}
 			else {
+				// HACK: send to standard out so watchdog can parse.
 				std::cout << "activeDesktop:" << name.c_str() << std::endl;
 			}
 #endif

src/test/mock/ipc/MockIpcServer.h

@@ -0,0 +1,35 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2015 Synergy Si Ltd.
+ *
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ *
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "ipc/IpcServer.h"
+#include "ipc/IpcMessage.h"
+
+#include "test/global/gmock.h"
+
+class IEventQueue;
+
+class MockIpcServer : public IpcServer
+{
+public:
+	MockIpcServer() { }
+
+	MOCK_METHOD0(listen, void());
+	MOCK_METHOD2(send, void(const IpcMessage&, EIpcClientType));
+	MOCK_CONST_METHOD1(hasClients, bool(EIpcClientType));
+};

src/test/unittests/ipc/IpcLogOutputterTests.cpp

@@ -0,0 +1,95 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2015 Synergy Si Ltd.
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define TEST_ENV
+
+#include "test/mock/ipc/MockIpcServer.h"
+
+#include "mt/Thread.h"
+#include "ipc/IpcLogOutputter.h"
+#include "base/String.h"
+#include "common/common.h"
+
+#include "test/global/gmock.h"
+#include "test/global/gtest.h"
+
+// HACK: ipc logging only used on windows anyway
+#if WINAPI_MSWINDOWS
+
+using ::testing::_;
+using ::testing::Return;
+using ::testing::Matcher;
+using ::testing::MatcherCast;
+using ::testing::Property;
+using ::testing::StrEq;
+
+using namespace synergy;
+
+inline const Matcher<const IpcMessage&> IpcLogLineMessageEq(const String& s) {
+	const Matcher<const IpcLogLineMessage&> m(
+		Property(&IpcLogLineMessage::logLine, StrEq(s)));
+	return MatcherCast<const IpcMessage&>(m);
+}
+
+TEST(IpcLogOutputterTests, write_bufferSizeWrapping)
+{
+	MockIpcServer mockServer;
+	
+	ON_CALL(mockServer, hasClients(_)).WillByDefault(Return(true));
+
+	EXPECT_CALL(mockServer, hasClients(_)).Times(1);
+	EXPECT_CALL(mockServer, send(IpcLogLineMessageEq("mock 2\nmock 3\n"), _)).Times(1);
+
+	IpcLogOutputter outputter(mockServer);
+	outputter.bufferMaxSize(2);
+
+	// log more lines than the buffer can contain
+	outputter.write(kNOTE, "mock 1");
+	outputter.write(kNOTE, "mock 2");
+	outputter.write(kNOTE, "mock 3");
+
+	// wait for the buffer to be empty (all lines sent to IPC)
+	outputter.waitForEmpty();
+}
+
+TEST(IpcLogOutputterTests, write_bufferRateLimit)
+{
+	MockIpcServer mockServer;
+	
+	ON_CALL(mockServer, hasClients(_)).WillByDefault(Return(true));
+
+	EXPECT_CALL(mockServer, hasClients(_)).Times(2);
+	EXPECT_CALL(mockServer, send(IpcLogLineMessageEq("mock 1\n"), _)).Times(1);
+	EXPECT_CALL(mockServer, send(IpcLogLineMessageEq("mock 3\n"), _)).Times(1);
+
+	IpcLogOutputter outputter(mockServer);
+	outputter.bufferRateLimit(1, 0.001); // 1ms
+
+	// log 1 more line than the buffer can accept in time limit.
+	outputter.write(kNOTE, "mock 1");
+	outputter.write(kNOTE, "mock 2");
+	outputter.waitForEmpty();
+	
+	// after waiting the time limit send another to make sure
+	// we can log after the time limit passes.
+	ARCH->sleep(0.01); // 10ms
+	outputter.write(kNOTE, "mock 3");
+	outputter.write(kNOTE, "mock 4");
+	outputter.waitForEmpty();
+}
+
+#endif // WINAPI_MSWINDOWS