void AsyncFileWriter::ioThread() {
folly::setThreadName("log_writer");
while (true) {
// With the lock held, grab a pointer to the current queue, then increment
// the ioThreadCounter index so that other threads will write into the
// other queue as we process this one.
std::vector<std::string>* ioQueue;
size_t numDiscarded;
bool stop;
{
auto data = data_.lock();
ioQueue = data->getCurrentQueue();
while (ioQueue->empty() && !data->stop) {
messageReady_.wait(data.getUniqueLock());
}
++data->ioThreadCounter;
numDiscarded = data->numDiscarded;
data->numDiscarded = 0;
data->currentBufferSize = 0;
stop = data->stop;
}
ioCV_.notify_all();
// Write the log messages now that we have released the lock
try {
performIO(ioQueue);
} catch (const std::exception& ex) {
onIoError(ex);
}
// clear() empties the vector, but the allocated capacity remains so we can
// just reuse it without having to re-allocate in most cases.
ioQueue->clear();
if (numDiscarded > 0) {
auto msg = getNumDiscardedMsg(numDiscarded);
if (!msg.empty()) {
auto ret = folly::writeFull(file_.fd(), msg.data(), msg.size());
// We currently ignore errors from writeFull() here.
// There's not much we can really do.
(void)ret;
}
}
if (stop) {
data_->ioThreadDone = true;
break;
}
}
}
void main(int argc, char *argv[])
#endif
{
char szText[160];
bool bSuccess;
short nTries = 0;
// Set results of what happens when a call to new fails
set_new_handler(badNew);
// Call the startup function
#ifdef OD32
startup(lpszCmdLine);
#else
startup(argc, argv);
#endif
Sleep(500);
do
{
// Attempt to start up the door server process. (No need to check if the door server process is already
// running; it does that on its own and shuts down extra copies as needed)
bSuccess = CreateProcess(DOOR_SERVER_EXE, NULL, NULL, NULL, false, DETACHED_PROCESS, NULL, NULL, new STARTUPINFO, new PROCESS_INFORMATION);
Sleep(1000);
nTries++;
}
while ( bSuccess == false && nTries < 5 );
// Get a handle on the door server's input mailslot
hInputSlot = openSlot(-1);
// Create this node's output mailslot.
hOutputSlot = createSlot( getNode() );
// If unable to open input slot, re-try up to 5 times (intial failure seems to happen on WinXP randomly)
// If still failure, this indicates the door server is not running and could not be started, so shut down.
nTries = 0;
while (hInputSlot == INVALID_HANDLE_VALUE )
{
Sleep(500);
hInputSlot = openSlot(-1);
if ( ++nTries > 5 )
{
local("Unable to start door: IPC error");
exitDoor(1);
}
}
// If the output slot for this node is already open, it means the node is already running the door.
if ( hOutputSlot == INVALID_HANDLE_VALUE )
{
local("Unable to start door: This node is already in use!");
pausePrompt();
exitDoor(1);
}
// Now that the mailslot handles were successful, call setupExitFunction() to register beforeExit() as the
// function called upon exit.
setupExitFunction();
// Send an input message to the server, to tell it a user is trying to enter the game. The user's info is
// passed as a string in the format below.
sprintf(szText, "%d&%c&%d&%s&%s", isSysop(), getGender(), getPlatform(), getAlias(), getRealName());
sendInput(szText, IP_ENTER_GAME);
// Handle I/O for the user
while (1)
{
performIO();
}
}