Exemplo n.º 1
0
/**
 * @brief The Server's Message Queue Listener function.
 *
 * An endless loop calls the function \c ProcessEventsServer() to check for
 * messages sent by clients.
 * If the message is valid, \c CreateContextThread() is called to serve this
 * request.
 */
static void SVCServiceRunLoop(void)
{
	int rsp;
	LONG rv;
	uint32_t dwClientID;	/* Connection ID used to reference the Client */

	while (TRUE)
	{
		if (AraKiri)
		{
			/* stop the hotpug thread and waits its exit */
#ifdef USE_USB
			(void)HPStopHotPluggables();
#endif
			(void)SYS_Sleep(1);

			/* now stop all the drivers */
			RFCleanupReaders();
			EHDeinitializeEventStructures();
			ContextsDeinitialize();
			at_exit();
		}

		switch (rsp = ProcessEventsServer(&dwClientID))
		{

		case 0:
			Log2(PCSC_LOG_DEBUG, "A new context thread creation is requested: %d", dwClientID);
			rv = CreateContextThread(&dwClientID);

			if (rv != SCARD_S_SUCCESS)
				Log1(PCSC_LOG_ERROR, "Problem during the context thread creation");
			break;

		case 2:
			/*
			 * timeout in ProcessEventsServer(): do nothing
			 * this is used to catch the Ctrl-C signal at some time when
			 * nothing else happens
			 */
			break;

		case -1:
			Log1(PCSC_LOG_ERROR, "Error in ProcessEventsServer");
			break;

		case -2:
			/* Nothing to do in case of a syscall interrupted
			 * It happens when SIGUSR1 (reload) or SIGINT (Ctrl-C) is received
			 * We just try again */
			break;

		default:
			Log2(PCSC_LOG_ERROR, "ProcessEventsServer unknown retval: %d",
				rsp);
			break;
		}
	}
}
Exemplo n.º 2
0
/**
 * @brief The Server's Message Queue Listener function.
 *
 * An endless loop calls the function \c SHMProcessEventsServer() to check for
 * messages sent by clients.
 * If the message is valid, \c CreateContextThread() is called to serve this
 * request.
 */
void SVCServiceRunLoop(void)
{
	int rsp;
	LONG rv;
	DWORD dwClientID;	/* Connection ID used to reference the Client */

	rsp = 0;
	rv = 0;

	/*
	 * Initialize the comm structure
	 */
	rsp = SHMInitializeCommonSegment();

	if (rsp == -1)
	{
		Log1(PCSC_LOG_CRITICAL, "Error initializing pcscd.");
		exit(-1);
	}

	/*
	 * Initialize the contexts structure
	 */
	rv = ContextsInitialize();

	if (rv == -1)
	{
		Log1(PCSC_LOG_CRITICAL, "Error initializing pcscd.");
		exit(-1);
	}

	/*
	 * Solaris sends a SIGALRM and it is annoying
	 */

	signal(SIGALRM, SIG_IGN);
	signal(SIGPIPE, SIG_IGN);
	signal(SIGHUP, SIG_IGN);	/* needed for Solaris. The signal is sent
				 * when the shell is existed */

	/*
	 * This function always returns zero
	 */
	rsp = SYS_MutexInit(&usbNotifierMutex);

	/*
	 * Set up the search for USB/PCMCIA devices
	 */
	HPSearchHotPluggables();
	HPRegisterForHotplugEvents();

	/*
	 * Set up the power management callback routine
	 */
//	PMRegisterForPowerEvents();

	while (1)
	{
		switch (rsp = SHMProcessEventsServer(&dwClientID, 0))
		{

		case 0:
			Log2(PCSC_LOG_DEBUG, "A new context thread creation is requested: %d", dwClientID);
			rv = CreateContextThread(&dwClientID);

 			if (rv != SCARD_S_SUCCESS)
			{
				Log1(PCSC_LOG_ERROR, "Problem during the context thread creation");
				AraKiri = 1;
			}

			break;

		case 2:
			/*
			 * timeout in SHMProcessEventsServer(): do nothing
			 * this is used to catch the Ctrl-C signal at some time when
			 * nothing else happens
			 */
			break;

		case -1:
			Log1(PCSC_LOG_ERROR, "Error in SHMProcessEventsServer");
			break;

		case -2:
			/* Nothing to do in case of a syscall interrupted
			 * It happens when SIGUSR1 (reload) or SIGINT (Ctrl-C) is received
			 * We just try again */
			break;

		default:
			Log2(PCSC_LOG_ERROR, "SHMProcessEventsServer unknown retval: %d",
				rsp);
			break;
		}

		if (AraKiri)
		{
			/* stop the hotpug thread and waits its exit */
			Log1(PCSC_LOG_ERROR, "Preparing to exit...");
			HPStopHotPluggables();
			SYS_Sleep(1);

			/* now stop all the drivers */
			RFCleanupReaders(1);
		}
	}
}