895 lines
21 KiB
C++
895 lines
21 KiB
C++
/*
|
|
* synergy -- mouse and keyboard sharing utility
|
|
* Copyright (C) 2002 Chris Schoeneman, Nick Bolton, Sorin Sbarnea
|
|
*
|
|
* 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 COPYING 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/>.
|
|
*/
|
|
|
|
#include "CServerApp.h"
|
|
#include "CLog.h"
|
|
#include "CArch.h"
|
|
#include "XSocket.h"
|
|
#include "Version.h"
|
|
#include "IEventQueue.h"
|
|
#include "CServer.h"
|
|
#include "CClientListener.h"
|
|
#include "CClientProxy.h"
|
|
#include "TMethodEventJob.h"
|
|
#include "CServerTaskBarReceiver.h"
|
|
#include "CPrimaryClient.h"
|
|
#include "CScreen.h"
|
|
#include "CSocketMultiplexer.h"
|
|
#include "CEventQueue.h"
|
|
#include "LogOutputters.h"
|
|
#include "CFunctionEventJob.h"
|
|
|
|
#if SYSAPI_WIN32
|
|
#include "CArchMiscWindows.h"
|
|
#endif
|
|
|
|
#if WINAPI_MSWINDOWS
|
|
#include "CMSWindowsScreen.h"
|
|
#elif WINAPI_XWINDOWS
|
|
#include "CXWindowsScreen.h"
|
|
#elif WINAPI_CARBON
|
|
#include "COSXScreen.h"
|
|
#endif
|
|
|
|
#include <iostream>
|
|
#include <stdio.h>
|
|
#include <fstream>
|
|
#include "XScreen.h"
|
|
#include "CTCPSocketFactory.h"
|
|
|
|
CEvent::Type CServerApp::s_reloadConfigEvent = CEvent::kUnknown;
|
|
|
|
CServerApp::CServerApp(CreateTaskBarReceiverFunc createTaskBarReceiver) :
|
|
CApp(createTaskBarReceiver, new CArgs()),
|
|
s_server(NULL),
|
|
s_forceReconnectEvent(CEvent::kUnknown),
|
|
s_resetServerEvent(CEvent::kUnknown),
|
|
s_serverState(kUninitialized),
|
|
s_serverScreen(NULL),
|
|
s_primaryClient(NULL),
|
|
s_listener(NULL),
|
|
s_timer(NULL)
|
|
{
|
|
}
|
|
|
|
CServerApp::~CServerApp()
|
|
{
|
|
}
|
|
|
|
CServerApp::CArgs::CArgs() :
|
|
m_synergyAddress(NULL),
|
|
m_config(NULL)
|
|
{
|
|
}
|
|
|
|
CServerApp::CArgs::~CArgs()
|
|
{
|
|
}
|
|
|
|
bool
|
|
CServerApp::parseArg(const int& argc, const char* const* argv, int& i)
|
|
{
|
|
if (CApp::parseArg(argc, argv, i)) {
|
|
// found common arg
|
|
return true;
|
|
}
|
|
|
|
else if (isArg(i, argc, argv, "-a", "--address", 1)) {
|
|
// save listen address
|
|
try {
|
|
*args().m_synergyAddress = CNetworkAddress(argv[i + 1],
|
|
kDefaultPort);
|
|
args().m_synergyAddress->resolve();
|
|
}
|
|
catch (XSocketAddress& e) {
|
|
LOG((CLOG_PRINT "%s: %s" BYE,
|
|
args().m_pname, e.what(), args().m_pname));
|
|
m_bye(kExitArgs);
|
|
}
|
|
++i;
|
|
}
|
|
|
|
else if (isArg(i, argc, argv, "-c", "--config", 1)) {
|
|
// save configuration file path
|
|
args().m_configFile = argv[++i];
|
|
}
|
|
|
|
else {
|
|
// option not supported here
|
|
return false;
|
|
}
|
|
|
|
// argument was valid
|
|
return true;
|
|
}
|
|
|
|
void
|
|
CServerApp::parseArgs(int argc, const char* const* argv)
|
|
{
|
|
// asserts values, sets defaults, and parses args
|
|
int i;
|
|
CApp::parseArgs(argc, argv, i);
|
|
|
|
// no non-option arguments are allowed
|
|
if (i != argc) {
|
|
LOG((CLOG_PRINT "%s: unrecognized option `%s'" BYE,
|
|
args().m_pname, argv[i], args().m_pname));
|
|
m_bye(kExitArgs);
|
|
}
|
|
|
|
// set log filter
|
|
if (!CLOG->setFilter(args().m_logFilter)) {
|
|
LOG((CLOG_PRINT "%s: unrecognized log level `%s'" BYE,
|
|
args().m_pname, args().m_logFilter, args().m_pname));
|
|
m_bye(kExitArgs);
|
|
}
|
|
|
|
// identify system
|
|
LOG((CLOG_INFO "%s Server on %s %s", kAppVersion, ARCH->getOSName().c_str(), ARCH->getPlatformName().c_str()));
|
|
|
|
loggingFilterWarning();
|
|
}
|
|
|
|
void
|
|
CServerApp::help()
|
|
{
|
|
// window api args (windows/x-windows/carbon)
|
|
#if WINAPI_XWINDOWS
|
|
# define WINAPI_ARGS \
|
|
" [--display <display>]"
|
|
# define WINAPI_INFO \
|
|
" --display <display> connect to the X server at <display>\n"
|
|
#else
|
|
# define WINAPI_ARGS
|
|
# define WINAPI_INFO
|
|
#endif
|
|
|
|
char buffer[2000];
|
|
sprintf(
|
|
buffer,
|
|
"Usage: %s"
|
|
" [--address <address>]"
|
|
" [--config <pathname>]"
|
|
WINAPI_ARGS
|
|
HELP_SYS_ARGS
|
|
HELP_COMMON_ARGS
|
|
"\n\n"
|
|
"Start the synergy mouse/keyboard sharing server.\n"
|
|
"\n"
|
|
" -a, --address <address> listen for clients on the given address.\n"
|
|
" -c, --config <pathname> use the named configuration file instead.\n"
|
|
HELP_COMMON_INFO_1
|
|
WINAPI_INFO
|
|
HELP_SYS_INFO
|
|
HELP_COMMON_INFO_2
|
|
"\n"
|
|
"* marks defaults.\n"
|
|
"\n"
|
|
"The argument for --address is of the form: [<hostname>][:<port>]. The\n"
|
|
"hostname must be the address or hostname of an interface on the system.\n"
|
|
"The default is to listen on all interfaces. The port overrides the\n"
|
|
"default port, %d.\n"
|
|
"\n"
|
|
"If no configuration file pathname is provided then the first of the\n"
|
|
"following to load successfully sets the configuration:\n"
|
|
" %s\n"
|
|
" %s\n",
|
|
args().m_pname, kDefaultPort,
|
|
ARCH->concatPath(ARCH->getUserDirectory(), USR_CONFIG_NAME).c_str(),
|
|
ARCH->concatPath(ARCH->getSystemDirectory(), SYS_CONFIG_NAME).c_str()
|
|
);
|
|
|
|
std::cout << buffer << std::endl;
|
|
}
|
|
|
|
void
|
|
CServerApp::reloadSignalHandler(CArch::ESignal, void*)
|
|
{
|
|
EVENTQUEUE->addEvent(CEvent(getReloadConfigEvent(),
|
|
IEventQueue::getSystemTarget()));
|
|
}
|
|
|
|
void
|
|
CServerApp::reloadConfig(const CEvent&, void*)
|
|
{
|
|
LOG((CLOG_DEBUG "reload configuration"));
|
|
if (loadConfig(args().m_configFile)) {
|
|
if (s_server != NULL) {
|
|
s_server->setConfig(*args().m_config);
|
|
}
|
|
LOG((CLOG_NOTE "reloaded configuration"));
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::loadConfig()
|
|
{
|
|
bool loaded = false;
|
|
|
|
// load the config file, if specified
|
|
if (!args().m_configFile.empty()) {
|
|
loaded = loadConfig(args().m_configFile);
|
|
}
|
|
|
|
// load the default configuration if no explicit file given
|
|
else {
|
|
// get the user's home directory
|
|
CString path = ARCH->getUserDirectory();
|
|
if (!path.empty()) {
|
|
// complete path
|
|
path = ARCH->concatPath(path, USR_CONFIG_NAME);
|
|
|
|
// now try loading the user's configuration
|
|
if (loadConfig(path)) {
|
|
loaded = true;
|
|
args().m_configFile = path;
|
|
}
|
|
}
|
|
if (!loaded) {
|
|
// try the system-wide config file
|
|
path = ARCH->getSystemDirectory();
|
|
if (!path.empty()) {
|
|
path = ARCH->concatPath(path, SYS_CONFIG_NAME);
|
|
if (loadConfig(path)) {
|
|
loaded = true;
|
|
args().m_configFile = path;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!loaded) {
|
|
LOG((CLOG_PRINT "%s: no configuration available", args().m_pname));
|
|
m_bye(kExitConfig);
|
|
}
|
|
}
|
|
|
|
bool
|
|
CServerApp::loadConfig(const CString& pathname)
|
|
{
|
|
try {
|
|
// load configuration
|
|
LOG((CLOG_DEBUG "opening configuration \"%s\"", pathname.c_str()));
|
|
std::ifstream configStream(pathname.c_str());
|
|
if (!configStream.is_open()) {
|
|
// report failure to open configuration as a debug message
|
|
// since we try several paths and we expect some to be
|
|
// missing.
|
|
LOG((CLOG_DEBUG "cannot open configuration \"%s\"",
|
|
pathname.c_str()));
|
|
return false;
|
|
}
|
|
configStream >> *args().m_config;
|
|
LOG((CLOG_DEBUG "configuration read successfully"));
|
|
return true;
|
|
}
|
|
catch (XConfigRead& e) {
|
|
// report error in configuration file
|
|
LOG((CLOG_ERR "cannot read configuration \"%s\": %s",
|
|
pathname.c_str(), e.what()));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
CEvent::Type
|
|
CServerApp::getReloadConfigEvent()
|
|
{
|
|
return CEvent::registerTypeOnce(s_reloadConfigEvent, "reloadConfig");
|
|
}
|
|
|
|
void
|
|
CServerApp::forceReconnect(const CEvent&, void*)
|
|
{
|
|
if (s_server != NULL) {
|
|
s_server->disconnect();
|
|
}
|
|
}
|
|
|
|
CEvent::Type
|
|
CServerApp::getForceReconnectEvent()
|
|
{
|
|
return CEvent::registerTypeOnce(s_forceReconnectEvent, "forceReconnect");
|
|
}
|
|
|
|
CEvent::Type
|
|
CServerApp::getResetServerEvent()
|
|
{
|
|
return CEvent::registerTypeOnce(s_resetServerEvent, "resetServer");
|
|
}
|
|
|
|
void
|
|
CServerApp::handleClientConnected(const CEvent&, void* vlistener)
|
|
{
|
|
CClientListener* listener = reinterpret_cast<CClientListener*>(vlistener);
|
|
CClientProxy* client = listener->getNextClient();
|
|
if (client != NULL) {
|
|
s_server->adoptClient(client);
|
|
updateStatus();
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::handleClientsDisconnected(const CEvent&, void*)
|
|
{
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
|
|
void
|
|
CServerApp::closeServer(CServer* server)
|
|
{
|
|
if (server == NULL) {
|
|
return;
|
|
}
|
|
|
|
// tell all clients to disconnect
|
|
server->disconnect();
|
|
|
|
// wait for clients to disconnect for up to timeout seconds
|
|
double timeout = 3.0;
|
|
CEventQueueTimer* timer = EVENTQUEUE->newOneShotTimer(timeout, NULL);
|
|
EVENTQUEUE->adoptHandler(CEvent::kTimer, timer,
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::handleClientsDisconnected));
|
|
EVENTQUEUE->adoptHandler(CServer::getDisconnectedEvent(), server,
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::handleClientsDisconnected));
|
|
CEvent event;
|
|
EVENTQUEUE->getEvent(event);
|
|
while (event.getType() != CEvent::kQuit) {
|
|
EVENTQUEUE->dispatchEvent(event);
|
|
CEvent::deleteData(event);
|
|
EVENTQUEUE->getEvent(event);
|
|
}
|
|
EVENTQUEUE->removeHandler(CEvent::kTimer, timer);
|
|
EVENTQUEUE->deleteTimer(timer);
|
|
EVENTQUEUE->removeHandler(CServer::getDisconnectedEvent(), server);
|
|
|
|
// done with server
|
|
delete server;
|
|
}
|
|
|
|
void
|
|
CServerApp::stopRetryTimer()
|
|
{
|
|
if (s_timer != NULL) {
|
|
EVENTQUEUE->deleteTimer(s_timer);
|
|
EVENTQUEUE->removeHandler(CEvent::kTimer, NULL);
|
|
s_timer = NULL;
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::updateStatus()
|
|
{
|
|
updateStatus("");
|
|
}
|
|
|
|
void CServerApp::updateStatus( const CString& msg )
|
|
{
|
|
if (m_taskBarReceiver)
|
|
{
|
|
m_taskBarReceiver->updateStatus(s_server, msg);
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::closeClientListener(CClientListener* listen)
|
|
{
|
|
if (listen != NULL) {
|
|
EVENTQUEUE->removeHandler(CClientListener::getConnectedEvent(), listen);
|
|
delete listen;
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::stopServer()
|
|
{
|
|
if (s_serverState == kStarted) {
|
|
closeClientListener(s_listener);
|
|
closeServer(s_server);
|
|
s_server = NULL;
|
|
s_listener = NULL;
|
|
s_serverState = kInitialized;
|
|
}
|
|
else if (s_serverState == kStarting) {
|
|
stopRetryTimer();
|
|
s_serverState = kInitialized;
|
|
}
|
|
assert(s_server == NULL);
|
|
assert(s_listener == NULL);
|
|
}
|
|
|
|
void
|
|
CServerApp::closePrimaryClient(CPrimaryClient* primaryClient)
|
|
{
|
|
delete primaryClient;
|
|
}
|
|
|
|
void
|
|
CServerApp::closeServerScreen(CScreen* screen)
|
|
{
|
|
if (screen != NULL) {
|
|
EVENTQUEUE->removeHandler(IScreen::getErrorEvent(),
|
|
screen->getEventTarget());
|
|
EVENTQUEUE->removeHandler(IScreen::getSuspendEvent(),
|
|
screen->getEventTarget());
|
|
EVENTQUEUE->removeHandler(IScreen::getResumeEvent(),
|
|
screen->getEventTarget());
|
|
delete screen;
|
|
}
|
|
}
|
|
|
|
void CServerApp::cleanupServer()
|
|
{
|
|
stopServer();
|
|
if (s_serverState == kInitialized) {
|
|
closePrimaryClient(s_primaryClient);
|
|
closeServerScreen(s_serverScreen);
|
|
s_primaryClient = NULL;
|
|
s_serverScreen = NULL;
|
|
s_serverState = kUninitialized;
|
|
}
|
|
else if (s_serverState == kInitializing ||
|
|
s_serverState == kInitializingToStart) {
|
|
stopRetryTimer();
|
|
s_serverState = kUninitialized;
|
|
}
|
|
assert(s_primaryClient == NULL);
|
|
assert(s_serverScreen == NULL);
|
|
assert(s_serverState == kUninitialized);
|
|
}
|
|
|
|
void
|
|
CServerApp::retryHandler(const CEvent&, void*)
|
|
{
|
|
// discard old timer
|
|
assert(s_timer != NULL);
|
|
stopRetryTimer();
|
|
|
|
// try initializing/starting the server again
|
|
switch (s_serverState) {
|
|
case kUninitialized:
|
|
case kInitialized:
|
|
case kStarted:
|
|
assert(0 && "bad internal server state");
|
|
break;
|
|
|
|
case kInitializing:
|
|
LOG((CLOG_DEBUG1 "retry server initialization"));
|
|
s_serverState = kUninitialized;
|
|
if (!initServer()) {
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
break;
|
|
|
|
case kInitializingToStart:
|
|
LOG((CLOG_DEBUG1 "retry server initialization"));
|
|
s_serverState = kUninitialized;
|
|
if (!initServer()) {
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
else if (s_serverState == kInitialized) {
|
|
LOG((CLOG_DEBUG1 "starting server"));
|
|
if (!startServer()) {
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
}
|
|
break;
|
|
|
|
case kStarting:
|
|
LOG((CLOG_DEBUG1 "retry starting server"));
|
|
s_serverState = kInitialized;
|
|
if (!startServer()) {
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool CServerApp::initServer()
|
|
{
|
|
// skip if already initialized or initializing
|
|
if (s_serverState != kUninitialized) {
|
|
return true;
|
|
}
|
|
|
|
double retryTime;
|
|
CScreen* serverScreen = NULL;
|
|
CPrimaryClient* primaryClient = NULL;
|
|
try {
|
|
CString name = args().m_config->getCanonicalName(args().m_name);
|
|
serverScreen = openServerScreen();
|
|
primaryClient = openPrimaryClient(name, serverScreen);
|
|
s_serverScreen = serverScreen;
|
|
s_primaryClient = primaryClient;
|
|
s_serverState = kInitialized;
|
|
updateStatus();
|
|
return true;
|
|
}
|
|
catch (XScreenUnavailable& e) {
|
|
LOG((CLOG_WARN "cannot open primary screen: %s", e.what()));
|
|
closePrimaryClient(primaryClient);
|
|
closeServerScreen(serverScreen);
|
|
updateStatus(CString("cannot open primary screen: ") + e.what());
|
|
retryTime = e.getRetryTime();
|
|
}
|
|
catch (XScreenOpenFailure& e) {
|
|
LOG((CLOG_CRIT "cannot open primary screen: %s", e.what()));
|
|
closePrimaryClient(primaryClient);
|
|
closeServerScreen(serverScreen);
|
|
return false;
|
|
}
|
|
catch (XBase& e) {
|
|
LOG((CLOG_CRIT "failed to start server: %s", e.what()));
|
|
closePrimaryClient(primaryClient);
|
|
closeServerScreen(serverScreen);
|
|
return false;
|
|
}
|
|
|
|
if (args().m_restartable) {
|
|
// install a timer and handler to retry later
|
|
assert(s_timer == NULL);
|
|
LOG((CLOG_DEBUG "retry in %.0f seconds", retryTime));
|
|
s_timer = EVENTQUEUE->newOneShotTimer(retryTime, NULL);
|
|
EVENTQUEUE->adoptHandler(CEvent::kTimer, s_timer,
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::retryHandler));
|
|
s_serverState = kInitializing;
|
|
return true;
|
|
}
|
|
else {
|
|
// don't try again
|
|
return false;
|
|
}
|
|
}
|
|
|
|
CScreen* CServerApp::openServerScreen()
|
|
{
|
|
CScreen* screen = createScreen();
|
|
EVENTQUEUE->adoptHandler(IScreen::getErrorEvent(),
|
|
screen->getEventTarget(),
|
|
new TMethodEventJob<CServerApp>(
|
|
this, &CServerApp::handleScreenError));
|
|
EVENTQUEUE->adoptHandler(IScreen::getSuspendEvent(),
|
|
screen->getEventTarget(),
|
|
new TMethodEventJob<CServerApp>(
|
|
this, &CServerApp::handleSuspend));
|
|
EVENTQUEUE->adoptHandler(IScreen::getResumeEvent(),
|
|
screen->getEventTarget(),
|
|
new TMethodEventJob<CServerApp>(
|
|
this, &CServerApp::handleResume));
|
|
return screen;
|
|
}
|
|
|
|
bool
|
|
CServerApp::startServer()
|
|
{
|
|
// skip if already started or starting
|
|
if (s_serverState == kStarting || s_serverState == kStarted) {
|
|
return true;
|
|
}
|
|
|
|
// initialize if necessary
|
|
if (s_serverState != kInitialized) {
|
|
if (!initServer()) {
|
|
// hard initialization failure
|
|
return false;
|
|
}
|
|
if (s_serverState == kInitializing) {
|
|
// not ready to start
|
|
s_serverState = kInitializingToStart;
|
|
return true;
|
|
}
|
|
assert(s_serverState == kInitialized);
|
|
}
|
|
|
|
double retryTime;
|
|
CClientListener* listener = NULL;
|
|
try {
|
|
listener = openClientListener(args().m_config->getSynergyAddress());
|
|
s_server = openServer(*args().m_config, s_primaryClient);
|
|
s_listener = listener;
|
|
updateStatus();
|
|
LOG((CLOG_NOTE "started server"));
|
|
s_serverState = kStarted;
|
|
return true;
|
|
}
|
|
catch (XSocketAddressInUse& e) {
|
|
LOG((CLOG_WARN "cannot listen for clients: %s", e.what()));
|
|
closeClientListener(listener);
|
|
updateStatus(CString("cannot listen for clients: ") + e.what());
|
|
retryTime = 10.0;
|
|
}
|
|
catch (XBase& e) {
|
|
LOG((CLOG_CRIT "failed to start server: %s", e.what()));
|
|
closeClientListener(listener);
|
|
return false;
|
|
}
|
|
|
|
if (args().m_restartable) {
|
|
// install a timer and handler to retry later
|
|
assert(s_timer == NULL);
|
|
LOG((CLOG_DEBUG "retry in %.0f seconds", retryTime));
|
|
s_timer = EVENTQUEUE->newOneShotTimer(retryTime, NULL);
|
|
EVENTQUEUE->adoptHandler(CEvent::kTimer, s_timer,
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::retryHandler));
|
|
s_serverState = kStarting;
|
|
return true;
|
|
}
|
|
else {
|
|
// don't try again
|
|
return false;
|
|
}
|
|
}
|
|
|
|
CScreen*
|
|
CServerApp::createScreen()
|
|
{
|
|
#if WINAPI_MSWINDOWS
|
|
return new CScreen(new CMSWindowsScreen(true, args().m_noHooks));
|
|
#elif WINAPI_XWINDOWS
|
|
return new CScreen(new CXWindowsScreen(args().m_display, true));
|
|
#elif WINAPI_CARBON
|
|
return new CScreen(new COSXScreen(true));
|
|
#endif
|
|
}
|
|
|
|
CPrimaryClient*
|
|
CServerApp::openPrimaryClient(const CString& name, CScreen* screen)
|
|
{
|
|
LOG((CLOG_DEBUG1 "creating primary screen"));
|
|
return new CPrimaryClient(name, screen);
|
|
|
|
}
|
|
|
|
void
|
|
CServerApp::handleScreenError(const CEvent&, void*)
|
|
{
|
|
LOG((CLOG_CRIT "error on screen"));
|
|
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
|
|
}
|
|
|
|
void
|
|
CServerApp::handleSuspend(const CEvent&, void*)
|
|
{
|
|
if (!m_suspended) {
|
|
LOG((CLOG_INFO "suspend"));
|
|
stopServer();
|
|
m_suspended = true;
|
|
}
|
|
}
|
|
|
|
void
|
|
CServerApp::handleResume(const CEvent&, void*)
|
|
{
|
|
if (m_suspended) {
|
|
LOG((CLOG_INFO "resume"));
|
|
startServer();
|
|
m_suspended = false;
|
|
}
|
|
}
|
|
|
|
CClientListener*
|
|
CServerApp::openClientListener(const CNetworkAddress& address)
|
|
{
|
|
CClientListener* listen =
|
|
new CClientListener(address, new CTCPSocketFactory, NULL);
|
|
EVENTQUEUE->adoptHandler(CClientListener::getConnectedEvent(), listen,
|
|
new TMethodEventJob<CServerApp>(
|
|
this, &CServerApp::handleClientConnected, listen));
|
|
return listen;
|
|
}
|
|
|
|
CServer*
|
|
CServerApp::openServer(const CConfig& config, CPrimaryClient* primaryClient)
|
|
{
|
|
CServer* server = new CServer(config, primaryClient);
|
|
|
|
try {
|
|
EVENTQUEUE->adoptHandler(
|
|
CServer::getDisconnectedEvent(), server,
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::handleNoClients));
|
|
|
|
} catch (std::bad_alloc &ba) {
|
|
delete server;
|
|
throw ba;
|
|
}
|
|
|
|
return server;
|
|
}
|
|
|
|
void CServerApp::handleNoClients( const CEvent&, void* )
|
|
{
|
|
updateStatus();
|
|
}
|
|
|
|
int CServerApp::mainLoop()
|
|
{
|
|
// create socket multiplexer. this must happen after daemonization
|
|
// on unix because threads evaporate across a fork().
|
|
CSocketMultiplexer multiplexer;
|
|
|
|
// create the event queue
|
|
CEventQueue eventQueue;
|
|
|
|
// if configuration has no screens then add this system
|
|
// as the default
|
|
if (args().m_config->begin() == args().m_config->end()) {
|
|
args().m_config->addScreen(args().m_name);
|
|
}
|
|
|
|
// set the contact address, if provided, in the config.
|
|
// otherwise, if the config doesn't have an address, use
|
|
// the default.
|
|
if (args().m_synergyAddress->isValid()) {
|
|
args().m_config->setSynergyAddress(*args().m_synergyAddress);
|
|
}
|
|
else if (!args().m_config->getSynergyAddress().isValid()) {
|
|
args().m_config->setSynergyAddress(CNetworkAddress(kDefaultPort));
|
|
}
|
|
|
|
// canonicalize the primary screen name
|
|
CString primaryName = args().m_config->getCanonicalName(args().m_name);
|
|
if (primaryName.empty()) {
|
|
LOG((CLOG_CRIT "unknown screen name `%s'", args().m_name.c_str()));
|
|
return kExitFailed;
|
|
}
|
|
|
|
// start server, etc
|
|
ARCH->util().startNode();
|
|
|
|
// handle hangup signal by reloading the server's configuration
|
|
ARCH->setSignalHandler(CArch::kHANGUP, &reloadSignalHandler, NULL);
|
|
EVENTQUEUE->adoptHandler(getReloadConfigEvent(),
|
|
IEventQueue::getSystemTarget(),
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::reloadConfig));
|
|
|
|
// handle force reconnect event by disconnecting clients. they'll
|
|
// reconnect automatically.
|
|
EVENTQUEUE->adoptHandler(getForceReconnectEvent(),
|
|
IEventQueue::getSystemTarget(),
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::forceReconnect));
|
|
|
|
// to work around the sticky meta keys problem, we'll give users
|
|
// the option to reset the state of synergys
|
|
EVENTQUEUE->adoptHandler(getResetServerEvent(),
|
|
IEventQueue::getSystemTarget(),
|
|
new TMethodEventJob<CServerApp>(this, &CServerApp::resetServer));
|
|
|
|
// run event loop. if startServer() failed we're supposed to retry
|
|
// later. the timer installed by startServer() will take care of
|
|
// that.
|
|
CEvent event;
|
|
DAEMON_RUNNING(true);
|
|
EVENTQUEUE->getEvent(event);
|
|
while (event.getType() != CEvent::kQuit) {
|
|
EVENTQUEUE->dispatchEvent(event);
|
|
CEvent::deleteData(event);
|
|
EVENTQUEUE->getEvent(event);
|
|
}
|
|
DAEMON_RUNNING(false);
|
|
|
|
// close down
|
|
LOG((CLOG_DEBUG1 "stopping server"));
|
|
EVENTQUEUE->removeHandler(getForceReconnectEvent(),
|
|
IEventQueue::getSystemTarget());
|
|
EVENTQUEUE->removeHandler(getReloadConfigEvent(),
|
|
IEventQueue::getSystemTarget());
|
|
cleanupServer();
|
|
updateStatus();
|
|
LOG((CLOG_NOTE "stopped server"));
|
|
|
|
return kExitSuccess;
|
|
}
|
|
|
|
void CServerApp::resetServer(const CEvent&, void*)
|
|
{
|
|
LOG((CLOG_DEBUG1 "resetting server"));
|
|
stopServer();
|
|
cleanupServer();
|
|
startServer();
|
|
}
|
|
|
|
int
|
|
CServerApp::runInner(int argc, char** argv, ILogOutputter* outputter, StartupFunc startup)
|
|
{
|
|
// general initialization
|
|
args().m_synergyAddress = new CNetworkAddress;
|
|
args().m_config = new CConfig;
|
|
args().m_pname = ARCH->getBasename(argv[0]);
|
|
|
|
// install caller's output filter
|
|
if (outputter != NULL) {
|
|
CLOG->insert(outputter);
|
|
}
|
|
|
|
// run
|
|
int result = startup(argc, argv);
|
|
|
|
if (m_taskBarReceiver)
|
|
{
|
|
// done with task bar receiver
|
|
delete m_taskBarReceiver;
|
|
}
|
|
|
|
delete args().m_config;
|
|
delete args().m_synergyAddress;
|
|
return result;
|
|
}
|
|
|
|
int daemonMainLoopStatic(int argc, const char** argv) {
|
|
return CServerApp::instance().daemonMainLoop(argc, argv);
|
|
}
|
|
|
|
int
|
|
CServerApp::standardStartup(int argc, char** argv)
|
|
{
|
|
initApp(argc, argv);
|
|
|
|
// daemonize if requested
|
|
if (args().m_daemon) {
|
|
return ARCH->daemonize(daemonName(), daemonMainLoopStatic);
|
|
}
|
|
else {
|
|
return mainLoop();
|
|
}
|
|
}
|
|
|
|
int
|
|
CServerApp::foregroundStartup(int argc, char** argv)
|
|
{
|
|
initApp(argc, argv);
|
|
|
|
// never daemonize
|
|
return mainLoop();
|
|
}
|
|
|
|
static
|
|
int
|
|
mainLoopStatic()
|
|
{
|
|
return CServerApp::instance().mainLoop();
|
|
}
|
|
|
|
const char*
|
|
CServerApp::daemonName() const
|
|
{
|
|
#if SYSAPI_WIN32
|
|
return "Synergy Server";
|
|
#elif SYSAPI_UNIX
|
|
return "synergys";
|
|
#endif
|
|
}
|
|
|
|
const char*
|
|
CServerApp::daemonInfo() const
|
|
{
|
|
#if SYSAPI_WIN32
|
|
return "Shares this computers mouse and keyboard with other computers.";
|
|
#elif SYSAPI_UNIX
|
|
return "";
|
|
#endif
|
|
}
|
|
|
|
void
|
|
CServerApp::startNode()
|
|
{
|
|
// start the server. if this return false then we've failed and
|
|
// we shouldn't retry.
|
|
LOG((CLOG_DEBUG1 "starting server"));
|
|
if (!startServer()) {
|
|
m_bye(kExitFailed);
|
|
}
|
|
}
|