void release_write_lock()
{
boost::mutex::scoped_lock lock(mtx);
is_current_writer = false;
writer_finished.notify_all();
}
void f() {
(*msg)();
done = true;
c.notify_one();
}
void SlotOnNewDataHandler(net::ClientId client_id, net::ServerId server_id, common::Byteset data)
{
for (unsigned int n = 0; n < data.GetSize(); n++)
{
this->buffer_.push_back(data[n]);
}
while (this->buffer_.size() >= 8)
{
std::string command = "";
command += (char)this->buffer_[0];
command += (char)this->buffer_[1];
command += (char)this->buffer_[2];
command += (char)this->buffer_[3];
std::string payload_length_str = "";
payload_length_str += (char)this->buffer_[4];
payload_length_str += (char)this->buffer_[5];
payload_length_str += (char)this->buffer_[6];
payload_length_str += (char)this->buffer_[7];
unsigned int payload_length = boost::lexical_cast<unsigned int>(payload_length_str);
if (this->buffer_.size() - 8 < payload_length)
{
return;
}
std::string payload = "";
for (unsigned int n = 8; n < payload_length + 8; n++)
{
payload += (char)this->buffer_[n];
}
this->buffer_.erase(this->buffer_.begin(), this->buffer_.begin() + payload_length + 8);
if (command == "TEXT")
{
std::cout << payload << std::flush;
}
else if (command == "PROM")
{
this->prompt_ = payload;
on_message_condition.notify_all();
}
else if (command == "COMP")
{
autocomplete_list.clear();
if (payload.length() > 0)
{
boost::algorithm::split(autocomplete_list, payload, boost::is_any_of("\n"), boost::algorithm::token_compress_on);
}
on_message_condition.notify_all();
}
else
{
std::cerr << "Could not parse package." << std::endl;
finish = true;
on_message_condition.notify_all();
break;
}
}
}
int main(int argc, char **argv)
{
// Signal handlers
signal(SIGTERM, Handler);
signal(SIGINT, Handler);
signal(SIGQUIT, Handler);
signal(SIGABRT, Handler);
signal(SIGPIPE, Handler);
boost::mutex guard_mutex;
// Setup readline
history_filename = GetUserHomeDirectory() + "/.atomic_history";
read_history(history_filename.data());
rl_attempted_completion_function = AutoComplete;
// Save command line state
tcgetattr(fileno(stdin), &original_flags);
// Parse commandline
boost::program_options::options_description command_line;
boost::program_options::variables_map variable_map;
command_line.add_options()
("help,h", "produce help message")
("command,c", boost::program_options::value<std::string>()->default_value(""), "command")
("server,s", boost::program_options::value<std::string>()->default_value("localhost"), "server address")
("port,p", boost::program_options::value<unsigned int>()->default_value(1202), "server port");
try
{
boost::program_options::store(boost::program_options::command_line_parser(argc, argv).options(command_line).run(), variable_map);
}
catch (boost::program_options::unknown_option e)
{
std::cerr << e.what() << std::endl;
std::cout << command_line << std::endl;
CleanUp();
return EXIT_FAILURE;
}
catch (boost::program_options::invalid_syntax e)
{
std::cerr << e.what() << std::endl;
std::cout << command_line << std::endl;
CleanUp();
return EXIT_FAILURE;
}
if (variable_map.count("help") != 0)
{
std::cout << command_line << std::endl;
CleanUp();
return EXIT_SUCCESS;
}
net::Manager::Create();
if (variable_map["command"].as<std::string>() == "")
{
std::cout << "\033[29;1mAtom Interactive Console, version " + std::string(VERSION) + " starting...\033[0m" << std::endl;
std::cout << "\033[29;1mReleased under " + std::string(LICENSE) + ".\033[0m" << std::endl;
std::cout << "Written by Mattias Runge 2010." << std::endl;
std::cout << "Connecting to " << variable_map["server"].as<std::string>().data() << ":" << variable_map["port"].as<unsigned int>() << "..." << std::endl;
}
try
{
cc = ConsoleClient::Pointer(new ConsoleClient(variable_map["server"].as<std::string>(), variable_map["port"].as<unsigned int>()));
}
catch (std::runtime_error& e)
{
std::cerr << "Connection error: " << e.what() << std::endl;
CleanUp();
return EXIT_FAILURE;
}
if (variable_map["command"].as<std::string>() != "")
{
boost::mutex::scoped_lock guard(guard_mutex);
on_message_condition.wait(guard);
if (!finish)
{
cc->SendResponse(variable_map["command"].as<std::string>());
if (!finish)
{
on_message_condition.wait(guard);
}
}
}
else
{
while (true)
{
boost::mutex::scoped_lock guard(guard_mutex);
on_message_condition.wait(guard);
if (finish)
{
break;
}
while ((buffer = readline(cc->GetPrompt().data())) != NULL)
{
if (finish)
{
break;
}
if (strlen(buffer) == 0)
{
continue;
}
break;
}
if (finish)
{
break;
}
cc->SendResponse(buffer);
add_history(buffer);
}
}
CleanUp();
return EXIT_SUCCESS;
}
void WServer::terminate()
{
boost::mutex::scoped_lock terminationLock(terminationMutex);
terminationRequested = true;
terminationCondition.notify_all(); // should be just 1
}
int WServer::waitForShutdown(const char *restartWatchFile)
{
#if !defined(WT_WIN32)
if (!CatchSignals) {
for(;;)
sleep(0x1<<16);
}
#endif // WIN32
#ifdef WT_THREADED
#if !defined(WT_WIN32)
sigset_t wait_mask;
sigemptyset(&wait_mask);
// Block the signals which interest us
sigaddset(&wait_mask, SIGHUP);
sigaddset(&wait_mask, SIGINT);
sigaddset(&wait_mask, SIGQUIT);
sigaddset(&wait_mask, SIGTERM);
pthread_sigmask(SIG_BLOCK, &wait_mask, 0);
for (;;) {
int rc, sig= -1;
// Wait for a signal to be raised
rc= sigwait(&wait_mask, &sig);
// branch based on return value of sigwait().
switch (rc) {
case 0: // rc indicates one of the blocked signals was raised.
// branch based on the signal which was raised.
switch(sig) {
case SIGHUP: // SIGHUP means re-read the configuration.
if (instance())
instance()->configuration().rereadConfiguration();
break;
default: // Any other blocked signal means time to quit.
return sig;
}
break;
case EINTR:
// rc indicates an unblocked signal was raised, so we'll go
// around again.
break;
default:
// report the error and return an obviously illegitimate signal value.
throw WServer::Exception(std::string("sigwait() error: ")
+ strerror(rc));
return -1;
}
}
#else // WIN32
boost::mutex::scoped_lock terminationLock(terminationMutex);
SetConsoleCtrlHandler(console_ctrl_handler, TRUE);
while (!terminationRequested)
terminationCondition.wait(terminationLock);
SetConsoleCtrlHandler(console_ctrl_handler, FALSE);
return 0;
#endif // WIN32
#else
return 0;
#endif // WT_THREADED
}
/// Entry point for the asynchronous monitor thread
void run()
{
bool run = true;
typedef std::pair< callback_t , std::pair< file_action, std::string> > notification;
std::vector< notification> notifications;
for (;;)
{
{
// Lock and check m_run; if it was set to false, we must return ASAP
boost::mutex::scoped_lock lock(m_run_mutex);
run = m_run;
if (!run)
return;
// We release the lock, block the thread until one second
m_run_cond.timed_wait(lock, moost::thread::xtime_util::add_ms(moost::thread::xtime_util::now(), m_sleep_ms));
}
// If we are not running (e.g. when the destructor woke us up), return
if (!run)
return;
// Clear the notifications vector where we will collect the events
// that will be fired
notifications.clear();
{
// Lock m_file_mutex while we are working on m_file_callback
boost::mutex::scoped_lock lock(m_file_mutex);
for (std::map<std::string, callback_t>::iterator it = m_file_callback.begin(); it != m_file_callback.end(); ++it)
{
boost::filesystem::path p(it->first);
// Does the path exist?
std::time_t lw = last_write_time(p);
if (lw != 0)
{
// Check its last modification time and compare it with what we had earlier
std::map< std::string, std::pair<time_t, time_t> >::iterator it_mod = m_file_modified.find(it->first);
if (it_mod == m_file_modified.end())
{
// We haven't seen this file so far, so insert it into the
// map and add a creation event that will be fired
m_file_modified[it->first] = std::make_pair(lw, lw);
notifications.push_back(std::make_pair(it->second, std::make_pair(CREATED, it->first)));
}
else
{
// only case we consider a real modification: prev prev mod != prev mod,
// but this mod == prev mod
// the idea is that we want to capture a write to a file,
// but only notify when the write is finished
/**
* \todo This could cause problems with frequent writing.
* We should really use boost.interprocess file locking
* instead (when we get 1.36 everywhere)
*/
if (lw == it_mod->second.second && it_mod->second.first != it_mod->second.second)
notifications.push_back(std::make_pair(it->second, std::make_pair(CHANGED, it->first)));
it_mod->second.first = it_mod->second.second;
it_mod->second.second = lw;
}
}
else
{
// The path does not exist. Did we have it before? If so, fire
// a deletion event.
std::map< std::string, std::pair<time_t, time_t> >::iterator it_mod = m_file_modified.find(it->first);
if (it_mod != m_file_modified.end())
{
m_file_modified.erase(it_mod);
notifications.push_back(std::make_pair(it->second, std::make_pair(DELETED, it->first)));
}
}
}
}
// okay! we've released our lock on m_file_callback and m_file_modified
// so it's time to send off our notifications
for (std::vector<notification>::iterator it = notifications.begin(); it != notifications.end(); ++it)
{
try
{
it->first(it->second.first, it->second.second);
}
catch (...)
{
// \todo can we do better here than silently ignoring the exception?
}
}
}
}
namespace Wt {
LOGGER("WServer");
namespace {
bool CatchSignals = true;
}
WServer *WServer::instance_ = 0;
WServer::Exception::Exception(const std::string& what)
: WException(what)
{ }
void WServer::init(const std::string& wtApplicationPath,
const std::string& configurationFile)
{
application_ = wtApplicationPath;
configurationFile_ = configurationFile;
ownsIOService_ = true;
dedicatedProcessEnabled_ = false;
ioService_ = 0;
webController_ = 0;
configuration_ = 0;
localizedStrings_ = 0;
logger_.addField("datetime", false);
logger_.addField("app", false);
logger_.addField("session", false);
logger_.addField("type", false);
logger_.addField("message", true);
instance_ = this;
}
void WServer::destroy()
{
if (ownsIOService_) {
delete ioService_;
ioService_ = 0;
}
delete webController_;
delete configuration_;
delete localizedStrings_;
instance_ = 0;
}
void WServer::setLocalizedStrings(WLocalizedStrings *stringResolver)
{
delete localizedStrings_;
localizedStrings_ = stringResolver;
}
WLocalizedStrings *WServer::localizedStrings()
{
return localizedStrings_;
}
void WServer::setIOService(WIOService& ioService)
{
if (ioService_) {
LOG_ERROR("setIOService(): already have an IO service");
return;
}
ioService_ = &ioService;
ownsIOService_ = false;
}
WIOService& WServer::ioService()
{
if (!ioService_) {
ioService_ = new WIOService();
ioService_->setThreadCount(configuration().numThreads());
}
return *ioService_;
}
void WServer::setAppRoot(const std::string& path)
{
appRoot_ = path;
if (configuration_)
configuration_->setAppRoot(path);
}
std::string WServer::appRoot() const
{
// FIXME we should const-correct Configuration too
return const_cast<WServer *>(this)->configuration().appRoot();
}
void WServer::setConfiguration(const std::string& file)
{
setConfiguration(file, application_);
}
void WServer::setConfiguration(const std::string& file,
const std::string& application)
{
if (configuration_)
LOG_ERROR("setConfigurationFile(): too late, already configured");
configurationFile_ = file;
application_ = application;
}
WLogger& WServer::logger()
{
return logger_;
}
WLogEntry WServer::log(const std::string& type) const
{
WLogEntry e = logger_.entry(type);
e << WLogger::timestamp << WLogger::sep
<< getpid() << WLogger::sep
<< /* sessionId << */ WLogger::sep
<< '[' << type << ']' << WLogger::sep;
return e;
}
bool WServer::dedicatedSessionProcess() const {
return dedicatedProcessEnabled_;
}
void WServer::initLogger(const std::string& logFile,
const std::string& logConfig)
{
if (!logFile.empty())
logger_.setFile(logFile);
if (!logConfig.empty())
logger_.configure(logConfig);
if (!description_.empty())
LOG_INFO("initializing " << description_);
}
Configuration& WServer::configuration()
{
if (!configuration_) {
if (appRoot_.empty())
appRoot_ = Configuration::locateAppRoot();
if (configurationFile_.empty())
configurationFile_ = Configuration::locateConfigFile(appRoot_);
configuration_ = new Configuration(application_, appRoot_,
configurationFile_, this);
}
return *configuration_;
}
WebController *WServer::controller()
{
return webController_;
}
bool WServer::readConfigurationProperty(const std::string& name,
std::string& value) const
{
WServer *self = const_cast<WServer *>(this);
return self->configuration().readConfigurationProperty(name, value);
}
void WServer::post(const std::string& sessionId,
const boost::function<void ()>& function,
const boost::function<void ()>& fallbackFunction)
{
schedule(0, sessionId, function, fallbackFunction);
}
void WServer::postAll(const boost::function<void ()>& function)
{
if(!webController_) return;
std::vector<std::string> sessions = webController_->sessions();
for (std::vector<std::string>::const_iterator i = sessions.begin();
i != sessions.end(); ++i) {
schedule(0, *i, function);
}
}
void WServer::schedule(int milliSeconds,
const std::string& sessionId,
const boost::function<void ()>& function,
const boost::function<void ()>& fallbackFunction)
{
ApplicationEvent event(sessionId, function, fallbackFunction);
ioService().schedule(milliSeconds,
boost::bind(&WebController::handleApplicationEvent,
webController_, event));
}
void WServer::addEntryPoint(EntryPointType type, ApplicationCreator callback,
const std::string& path, const std::string& favicon)
{
if (!path.empty() && !boost::starts_with(path, "/"))
throw WServer::Exception("WServer::addEntryPoint() error: "
"deployment path should start with \'/\'");
configuration().addEntryPoint(EntryPoint(type, callback, path, favicon));
}
void WServer::addResource(WResource *resource, const std::string& path)
{
if (!boost::starts_with(path, "/"))
throw WServer::Exception("WServer::addResource() error: "
"static resource path should start with \'/\'");
std::vector<EntryPoint> entryPoints = configuration().entryPoints();
for (unsigned i = 0; i < entryPoints.size(); ++i) {
if (entryPoints[i].resource() &&
entryPoints[i].resource()->internalPath() == path) {
WString error("WServer::addResource() error: "
"a static resource was already deployed on path '{1}'");
throw WServer::Exception(error.arg(path).toUTF8());
}
}
resource->setInternalPath(path);
configuration().addEntryPoint(EntryPoint(resource, path));
}
void WServer::removeEntryPoint(const std::string& path) {
configuration().removeEntryPoint(path);
}
void WServer::restart(int argc, char **argv, char **envp)
{
#ifndef WT_WIN32
char *path = realpath(argv[0], 0);
// Try a few times since this may fail because we have an incomplete
// binary...
for (int i = 0; i < 5; ++i) {
int result = execve(path, argv, envp);
if (result != 0)
sleep(1);
}
perror("execve");
#endif
}
void WServer::setCatchSignals(bool catchSignals)
{
CatchSignals = catchSignals;
}
#if defined(WT_WIN32) && defined(WT_THREADED)
boost::mutex terminationMutex;
bool terminationRequested = false;
boost::condition terminationCondition;
void WServer::terminate()
{
boost::mutex::scoped_lock terminationLock(terminationMutex);
terminationRequested = true;
terminationCondition.notify_all(); // should be just 1
}
BOOL WINAPI console_ctrl_handler(DWORD ctrl_type)
{
switch (ctrl_type)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
{
WServer::terminate();
return TRUE;
}
default:
return FALSE;
}
}
#endif
int WServer::waitForShutdown(const char *restartWatchFile)
{
#if !defined(WT_WIN32)
if (!CatchSignals) {
for(;;)
sleep(0x1<<16);
}
#endif // WIN32
#ifdef WT_THREADED
#if !defined(WT_WIN32)
sigset_t wait_mask;
sigemptyset(&wait_mask);
// Block the signals which interest us
sigaddset(&wait_mask, SIGHUP);
sigaddset(&wait_mask, SIGINT);
sigaddset(&wait_mask, SIGQUIT);
sigaddset(&wait_mask, SIGTERM);
pthread_sigmask(SIG_BLOCK, &wait_mask, 0);
for (;;) {
int rc, sig= -1;
// Wait for a signal to be raised
rc= sigwait(&wait_mask, &sig);
// branch based on return value of sigwait().
switch (rc) {
case 0: // rc indicates one of the blocked signals was raised.
// branch based on the signal which was raised.
switch(sig) {
case SIGHUP: // SIGHUP means re-read the configuration.
if (instance())
instance()->configuration().rereadConfiguration();
break;
default: // Any other blocked signal means time to quit.
return sig;
}
break;
case EINTR:
// rc indicates an unblocked signal was raised, so we'll go
// around again.
break;
default:
// report the error and return an obviously illegitimate signal value.
throw WServer::Exception(std::string("sigwait() error: ")
+ strerror(rc));
return -1;
}
}
#else // WIN32
boost::mutex::scoped_lock terminationLock(terminationMutex);
SetConsoleCtrlHandler(console_ctrl_handler, TRUE);
while (!terminationRequested)
terminationCondition.wait(terminationLock);
SetConsoleCtrlHandler(console_ctrl_handler, FALSE);
return 0;
#endif // WIN32
#else
return 0;
#endif // WT_THREADED
}
bool WServer::expireSessions()
{
return webController_->expireSessions();
}
void WServer::scheduleStop()
{
#ifdef WT_THREADED
#ifndef WT_WIN32
kill(getpid(), SIGTERM);
#else // WT_WIN32
terminate();
#endif // WT_WIN32
#else // !WT_THREADED
if (!stopCallback_.empty())
stopCallback_();
#endif // WT_THREADED
}
}
void sort_()
{
uint64_t count = 0;
while (count< count_)
{
uint32_t pre_buf_size = 0;
uint32_t pre_buf_num = 0;
{
boost::mutex::scoped_lock lock(pre_buf_mtx_);
while (pre_buf_size_==0)
pre_buf_con_.wait(lock);
assert(pre_buf_size_ <= RUN_BUF_SIZE_);
memcpy(run_buf_, pre_buf_, pre_buf_size_);
pre_buf_size = pre_buf_size_;
pre_buf_num = pre_buf_num_;
count += pre_buf_num_;
pre_buf_num_ = pre_buf_size_ = 0;
pre_buf_con_.notify_one();
}
key_buf_ = (struct KEY_PTR*)realloc(key_buf_, pre_buf_num*sizeof(struct KEY_PTR));
uint32_t pos = 0;
for (uint32_t i = 0; i<pre_buf_num; ++i)
{
key_buf_[i] = KEY_PTR(pos);
assert(pos <= RUN_BUF_SIZE_);
pos += *(LEN_TYPE*)(run_buf_ + pos)+sizeof(LEN_TYPE);
IASSERT(pos<=pre_buf_size);
}
IASSERT(pos==pre_buf_size);
quick_sort_(0, pre_buf_num-1, pre_buf_num);
boost::mutex::scoped_lock lock(out_buf_mtx_);
while (out_buf_size_ != 0)
out_buf_con_.wait(lock);
out_buf_size_ = 0;
out_buf_num_ = 0;
LEN_TYPE max_len_of_this_run = (LEN_TYPE)0;
for (uint32_t i=0; i<pre_buf_num; ++i, ++out_buf_num_)
{
assert(key_buf_[i].pos <= RUN_BUF_SIZE_);
assert(out_buf_size_+key_buf_[i].LEN(run_buf_)+ sizeof(LEN_TYPE) <= RUN_BUF_SIZE_);
memcpy(out_buf_+out_buf_size_, run_buf_+ key_buf_[i].pos, key_buf_[i].LEN(run_buf_)+ sizeof(LEN_TYPE));
LEN_TYPE len = key_buf_[i].LEN(run_buf_) + sizeof(LEN_TYPE);
out_buf_size_ += len;
if(len > max_len_of_this_run) max_len_of_this_run = len;
}
max_record_len_of_this_run_ = max_len_of_this_run;
min_run_buff_size_for_merger_ += max_record_len_of_this_run_;
if(max_len_of_this_run > max_record_len_) max_record_len_ = (uint32_t)max_len_of_this_run;
IASSERT(out_buf_num_ == pre_buf_num);
IASSERT(out_buf_size_ == pre_buf_size);
out_buf_con_.notify_one();
}
std::cout<<"Sorting is over...\n";
}
void prefetch_(FILE* f)
{
IO_TYPE ioStream(f);
const uint64_t FILE_LEN = ioStream.length();
run_num_ = 0;
uint64_t pos = sizeof(uint64_t);
std::cout<<std::endl;
ioStream.seek(pos);
while(pos < FILE_LEN)
{
std::cout<<"\rA runner is processing "<<pos*1./FILE_LEN<<std::flush;
++run_num_;
boost::mutex::scoped_lock lock(pre_buf_mtx_);
while (pre_buf_size_!=0)
pre_buf_con_.wait(lock);
//uint32_t s = (uint32_t)(FILE_LEN-pos>RUN_BUF_SIZE_? RUN_BUF_SIZE_: FILE_LEN-pos);
uint32_t s;
if(!ioStream.isCompression())
s = (uint32_t)(FILE_LEN-pos>RUN_BUF_SIZE_? RUN_BUF_SIZE_: FILE_LEN-pos);
else
s = RUN_BUF_SIZE_;
//std::cout<<std::endl<<pos<<"-"<<FILE_LEN<<"-"<<RUN_BUF_SIZE_<<"-"<<s<<std::endl;
if(!ioStream.isCompression())
ioStream.seek(pos);
//IASSERT(fread(pre_buf_, s, 1, f)==1);
s = ioStream.read(pre_buf_, s);
if(!ioStream.isCompression())
pos += (uint64_t)s;
else
pos = ioStream.tell();
//check the position of the last record
pre_buf_size_ = 0;
pre_buf_num_ = 0;
for(; pre_buf_size_<s; ++pre_buf_num_)
{
if (pre_buf_size_+*(LEN_TYPE*)(pre_buf_+pre_buf_size_)+sizeof(LEN_TYPE)>s)
break;
pre_buf_size_ += *(LEN_TYPE*)(pre_buf_+pre_buf_size_)+sizeof(LEN_TYPE);
}
pos -= (uint64_t)(s- pre_buf_size_);
//std::cout<<"pre_buf_size_ "<<pre_buf_size_<<" pre_buf_num_ "<<pre_buf_num_<<" ret "<<s<<" pos "<<pos<<std::endl;
if (pre_buf_num_ == 0)
{
std::cout<<"\n[Warning]: A record is too long, and has been ignored!\n";
//pos += *(LEN_TYPE*)(pre_buf_+pre_buf_size_) + sizeof(LEN_TYPE);
--count_;
RUN_BUF_SIZE_ = (uint32_t)((*(LEN_TYPE*)(pre_buf_+pre_buf_size_) + sizeof(LEN_TYPE))*1.1);
pre_buf_ = (char*)realloc(pre_buf_, RUN_BUF_SIZE_);
continue;
}
//IASSERT(pre_buf_size_ <= RUN_BUF_SIZE_);
pre_buf_con_.notify_one();
}
std::cout<<"Prefetching is over...\n";
}
inline void
boost_threaded_monitor::notify_all() {
cond_.notify_all();
}
inline bool
boost_threaded_monitor::timed_wait(unsigned int sec, unsigned int nanos) {
boost::xtime xtm = { sec, nanos };
return cond_.timed_wait(lock_, xtm);
}
inline void
boost_threaded_monitor::wait() {
cond_.wait(lock_);
}
