Exemplo n.º 1
0
char * __mod_ssl_sni_common_handler (MyQttCtx   * myqtt_ctx,
				     MyQttConn  * conn,
				     const char * serverName,
				     axlPointer   user_data,
				     const char * attr_name)
{
	MyQttdCtx * ctx = user_data;
	axlNode   * node;

	/* find certificate node by Name */
	node = __mod_ssl_get_certificate_node_by_name (ctx, serverName);
	if (! node) {
		wrn ("No certificate was found for serverName=%s, requested by connecting ip=%s",
		     serverName, myqtt_conn_get_host_ip (conn));
		return NULL; /* no node certificate was found, finish
			      * here */
	} /* end if */

	if (! HAS_ATTR (node, attr_name)) {
		wrn ("No certificate was found for serverName=%s, requested by connecting ip=%s, node %s attribute was not defined",
		     serverName, myqtt_conn_get_host_ip (conn), attr_name);
		return NULL; /* no crt attr was found, finish here */
	} /* end if */

	/* ok, now report certificate location */
	if (__mod_ssl_debug)
		msg ("Reporting certificate %s=%s for serverName=%s", attr_name, ATTR_VALUE (node, attr_name), serverName);

	/* report certificate */
	return axl_strdup (ATTR_VALUE (node, attr_name));
}
Exemplo n.º 2
0
void
backTrack (void *v, int device, int mouseDown)
{
pWmj    cW = (pWmj)v, pW = cW->prev;
/* WmjAct *Ap = (device == LEFTMOUSE ? cW->lefMouse : cW->midMouse); */
pDmj    cD = &cW->D;
long    bxA, byA, nxA, nyA, oxA,oyA, wx,ww,wy,wh;
long    widA = winget();

  if (! mouseDown)  return;

  getorigin(&wx,&wy);
  getsize(  &ww,&wh); ww -= 1; wh -= 1;

  oxA = bxA = (getvaluator(MOUSEX) - wx);
  oyA = byA = (getvaluator(MOUSEY) - wy);

  cursoff();
  drawmode(OVERDRAW);

  while(getbutton(device)) {
    nxA  = getvaluator(MOUSEX) - wx; if (nxA < 0)  nxA = 0;  else if (nxA > ww)  nxA = ww;
    nyA  = getvaluator(MOUSEY) - wy; if (nyA < 0)  nyA = 0;  else if (nyA > wh)  nyA = wh;
    if (nxA != oxA || nyA != oyA) {
      /* winset(widA); */
      color(BLACK);             /* black erases */
      sboxi(bxA,byA,oxA,oyA);   /* NB: sbox is faster than rect, but less flex */
      color(RED);                     /* set color of new circle */
      sboxi(bxA,byA,nxA,nyA);
      oxA = nxA,  oyA = nyA;
    }
  }
  color(BLACK);
  sboxi(bxA,byA,oxA,oyA);
  drawmode(NORMALDRAW);
  cpack(FcGRN);
  sboxi(bxA,byA,nxA,nyA);

  if (pW) {
    pDmj        pD = &pW->D;
    flt         pzX = pW->zX, zX = pzX/cW->zX;
    flt         pzY = pW->zY, zY = pzY/cW->zY;
    long        L = cD->l*pzX, B = cD->b*pzY;
    wrn("bT: id: %d  pD->lb: %3d %3d   zXY: %.1f %.1f", pW->id, pD->l, pD->b,    zX,    zY);
    wrn("bT: id: %d  cD->lb: %3d %3d  czXY: %.1f %.1f", cW->id, cD->l, cD->b,cW->zX,cW->zY);
    winset(pW->id);
    drawmode(OVERDRAW);
    color(YELLOW);
    sboxi(L + bxA*zX, B + byA*zY, L + oxA*zX, B + oyA*zY);
    drawmode(NORMALDRAW);
  }
  winset(widA);
  curson();
}
Exemplo n.º 3
0
/** 
 * @internal
 * Function used to read content from the socket in the loop into the
 * connection proxied.
 *
 *       Read                   Write
 *  [ Loop socket ] --> [ Proxy connection ]
 */
axl_bool __myqttd_conn_proxy_reads_loop (MyQttdLoop * loop, 
					     MyQttdCtx  * ctx,
					     int              descriptor, 
					     axlPointer       ptr, 
					     axlPointer       ptr2)
{
	MyQttConn * conn = ptr;
	char buffer[4096];
	int  bytes_read;

	/* read content */
	bytes_read = recv (descriptor, buffer, 4096, 0);
	/* msg ("PROXY: reading from socket=%d (bytes read=%d, errno=%d)", descriptor, bytes_read, errno);  */

	/* send content */
	if (bytes_read <= 0 || 
	    ! myqtt_conn_is_ok (conn, axl_false) || 
	    ! myqtt_msg_send_raw (conn, (unsigned char *) buffer, bytes_read)) {

		/* close socket and unregister it and close associated conn */
		wrn ("PROXY-fd: connection-id=%d is falling (wasn't able to send %d bytes, is zero?), closing associated socket=%d", 
		     myqtt_conn_get_id (conn), bytes_read, descriptor); 

		/* check connection status to finish it */
		if (myqtt_conn_is_ok (conn, axl_false))
			myqtt_conn_shutdown (conn);
		
		return axl_false;
	} /* end if */

	return axl_true; /* continue reading that socket */
}
Exemplo n.º 4
0
void myqttd_conn_mgr_unref (axlPointer data)
{
	/* get a reference to the state */
	MyQttdConnMgrState * state = data;
	MyQttdCtx          * ctx   = state->ctx;

	/* check connection status */
	if (state->conn) {
		/* uninstall on close full handler to avoid race conditions */
		myqtt_conn_remove_on_close (state->conn, myqttd_conn_mgr_on_close, ctx);

		/* unref the connection */
		msg ("Unregistering connection: %d (%p, socket: %d)", 
		     myqtt_conn_get_id ((MyQttConn*) state->conn), state->conn, myqtt_conn_get_socket (state->conn));
		myqtt_conn_unref ((MyQttConn*) state->conn, "myqttd-conn-mgr");
	} /* end if */

	/* nullify and free */
	memset (state, 0, sizeof (MyQttdConnMgrState));
	axl_free (state);

	/* check if we have to initiate child process termination */
	if (ctx->child && ctx->started) {
		/* msg ("CHILD: Checking for process termination, current connections are: %d",
		   axl_hash_items (ctx->conn_mgr_hash)); */
		if (axl_hash_items (ctx->conn_mgr_hash) == 0) {
			wrn ("CHILD: Starting finishing process, current connections are: 0");
			myqttd_process_check_for_finish (ctx);
		}
	} /* end if */

	return;
}
Exemplo n.º 5
0
Arquivo: rowSGI.c Projeto: sprax/coldz
void
sgiWritFB(ppf rgb[4], int dX, int dY, unt dW, unt dH, unt dD, char *path)
{
IMAGE   *sgim;
int     k,y,yI;
flt	*sr, *sg, *sb ;
pus     dr, dg, db, rr, gg, bb;

  mallocAss(rr,ush,dW);
  mallocAss(gg,ush,dW);
  mallocAss(bb,ush,dW);

  wrn("sgiWritFB dD: %u  path: %s", dD,path);

  if (dD < 3 || rgb[1] == NULL) {
    sgiWritFlt(rgb[0],dX,dY,dW,dH,path);
    return;
  }
  sgim = iopen(path,"w",RLE(1),3,dW,dH,3);  /* WHAT'S the 1st 3? */
  for (y = 0, yI = dH+dY; yI > dY ; y++) {
    sr = &rgb[1][--yI][dX];
    sg = &rgb[2][  yI][dX];
    sb = &rgb[3][  yI][dX];
    for (dr = rr, dg = gg, db = bb, k = dW; k; k--) {    
      *dr++ = 0.5F + *sr++;
      *dg++ = 0.5F + *sg++;
      *db++ = 0.5F + *sb++;
    }
    putrow(sgim,rr,y,0);
    putrow(sgim,gg,y,1);
    putrow(sgim,bb,y,2);
  }
  iclose(sgim); free(rr); free(gg); free(bb);
}
Exemplo n.º 6
0
void
rubberRectZoid (void *v, int device, int mouseDown)
{
static	WmjAct	backAct;
pWmj	cW = (pWmj)v;
WmjAct *Ap = (device == LEFTMOUSE ? cW->lefMouse : cW->midMouse);
/* Tetra  *trp  = Ap->data; */
flt     zX = cW->zX, zY = cW->zY;
long    bxA, byA, nxA, nyA, oxA,oyA, wx,ww,wy,wh;
long	widA = winget();

  if (! mouseDown)  return;

  getorigin(&wx,&wy);       
  getsize(  &ww,&wh); ww -= 1; wh -= 1;

  oxA = bxA = (getvaluator(MOUSEX) - wx);
  oyA = byA = (getvaluator(MOUSEY) - wy);

  cursoff();
  drawmode(OVERDRAW);

  while(getbutton(device)) {
    nxA  = getvaluator(MOUSEX) - wx; if (nxA < 0)  nxA = 0;  else if (nxA > ww)  nxA = ww;
    nyA  = getvaluator(MOUSEY) - wy; if (nyA < 0)  nyA = 0;  else if (nyA > wh)  nyA = wh;
    if (nxA != oxA || nyA != oyA) {

      winset(widA);
      color(BLACK);                   /* black erases */
      sboxi(bxA,byA,oxA,oyA);
      color(RED);                     /* set color of new circle */
      sboxi(bxA,byA,nxA,nyA);
      oxA = nxA,  oyA = nyA;
    }
  }
  color(BLACK);
  sboxi(bxA,byA,oxA,oyA);
  drawmode(NORMALDRAW);
  cpack(FcGRN);
  sboxi(bxA,byA,nxA,nyA);

  if (bxA > nxA)  nxA = bxA, bxA = oxA;
  if (byA > nyA)  nyA = byA, byA = oyA;
  wrn("rubberRectZ B4 showSub: %4d  %4d  %4d  %4d   zX:%.2f  zY:%.2f",bxA,byA,nxA,nyA, zX, zY);

  backAct = *Ap;
  backAct.func = &testChain;
  cW->next = showSub(cW,   bxA/zX,byA/zY,nxA/zX,nyA/zY,"subA",zX*2.0,zY*2.0,5);
  cW->next->lefMouse = &backAct;
  cW->next->prev = cW;

  winset(widA);
  curson();
}
Exemplo n.º 7
0
/** 
 * @internal Creates a object that will represents a child object and
 * initialize internal data structures for its function.
 */
MyQttdChild * myqttd_child_new (MyQttdCtx * ctx)
{
	MyQttdChild * result;
	char            * temp_dir;
	struct timeval    now;

	result        = axl_new (MyQttdChild, 1);
	/* check allocation */
	if (result == NULL)
		return NULL;

	/* get current time */
	gettimeofday (&now, NULL);

	/* create socket path: socket used to transfer file descriptors from parent to child */
	result->socket_control_path = axl_strdup_printf ("%s%s%s%s%p%d%d.myqttd",
							 myqttd_runtime_datadir (ctx),
							 MYQTT_FILE_SEPARATOR,
							 "myqttd",
							 MYQTT_FILE_SEPARATOR,
							 result, now.tv_sec, now.tv_usec);
	/* check result */
	if (result->socket_control_path == NULL) {
		axl_free (result);
		return NULL;
	} /* end if */

	/* now check check base dir for socket control path exists */
	temp_dir = myqttd_base_dir (result->socket_control_path);
	if (temp_dir && ! myqtt_support_file_test (temp_dir, FILE_EXISTS)) {
		/* base directory having child socket control do not exists */
		wrn ("run time directory %s do not exists, creating..", temp_dir);
		if (! myqttd_create_dir (temp_dir)) {
			/* call to finish references */
			myqttd_child_unref (result);

			error ("Unable to create directory to hold child socket connection, unable to create child process..");
			axl_free (temp_dir);
			return NULL;
		} /* end if */
	} /* end if */
	/* free temporal directory */
	axl_free (temp_dir);
	
	/* set context */
	result->ctx   = ctx;

	/* set default reference counting */
	result->ref_count = 1;
	myqtt_mutex_create (&result->mutex);

	return result;
}
Exemplo n.º 8
0
static int initputvar() {
    if (!isatty(STDERR_FILENO))
        return 0;
    if (putvarc)
        free(putvarc);
    if (!termsetup) {
        int status;
        if (! (termsetup = (setupterm(NULL, STDERR_FILENO, &status) == OK && status == 1))) {
            wrn( "Terminal doesn't support color (setupterm errno %d).\n", status );
            return 0;
        }
    }

    putvarc=(char *)calloc(256, sizeof(char));
    putvari=0;
    return 1;
}
Exemplo n.º 9
0
MyQttConn * __mod_ssl_start_listener (MyQttdCtx * ctx, MyQttCtx * my_ctx, axlNode * port_node, 
				      const char * bind_addr, const char * port, axlPointer user_data)
{
	MyQttConn   * listener;
	axlNode     * node;
	const char  * crt, * key, * chain;

	/* create listener on the port indicated */
	listener = myqtt_tls_listener_new (
		 /* the context where the listener will
		  * be started */
		  my_ctx,
		  /* listener name */
		  bind_addr ? bind_addr : "0.0.0.0",
		  /* port to use */
		  port,
		  /* opts */
		  NULL,
		  /* on ready callbacks */
		  NULL, NULL);

	/* configure default certificates from store */
	node = __mod_ssl_get_default_certificate (ctx, my_ctx);
	if (node) {
		/* configure certificates */
		crt   = ATTR_VALUE (node, "crt");
		key   = ATTR_VALUE (node, "key");
		chain = ATTR_VALUE (node, "chain");
		msg ("mod-ssl: configuring default crt=%s, key=%s, chain=%s", crt, key, chain);
		     
		if (! myqtt_tls_set_certificate (listener, crt, key, chain)) {
			error ("unable to configure certificates for TLS mqtt (myqtt_tls_set_certificate failed)..");
			return NULL;
		} /* end if */
	} else {
		wrn ("Unable to configure any certificate. No default certificate was found. __mod_ssl_get_default_certificate() reported NULL");
	} /* end if */

	return listener; /* basic configuration done */
}
Exemplo n.º 10
0
/** 
 * @internal
 * Function used to read content from the connection and write that
 * content into the child socket.
 *
 *           Read                    Write
 *  [ Proxied connection ] --> [ Child socket ]
 */
void __myqttd_conn_mgr_proxy_reads (MyQttCtx * myqtt_ctx, MyQttConn * listener, MyQttConn * conn, MyQttConnOpts * opts, axlPointer user_data)
{
	char               buffer[4096];
	int                bytes_read;
	/* get socket associated */
	int                _socket = PTR_TO_INT (myqtt_conn_get_data (conn, "myqttd:proxy:fd"));
	MyQttdCtx        * ctx     = user_data;

	/* check connection status */
	if (! myqtt_conn_is_ok (conn, axl_false)) 
		return;

	/* check status and close the other connection if found that */
	bytes_read = myqtt_msg_receive_raw (conn, (unsigned char *) buffer, 4096);

	/* msg ("PROXY-mqtt: Read %d bytes from conn-id=%d, sending them to child socket=%d (refs: %d, status: %d, errno=%d%s%s)",
	     bytes_read, myqtt_conn_get_id (conn), _socket,
	     myqtt_conn_ref_count (conn), myqtt_conn_is_ok (conn, axl_false), errno,
	     errno != 0 ? " : " : "",
	     errno != 0 ? strerror (errno) : "");  */

	if (bytes_read > 0) {
		/* send content */
		if (send (_socket, buffer, bytes_read, 0) != bytes_read) {
			wrn ("PROXY-mqtt: closing conn-id=%d because socket=%d isn't working", 
			     myqtt_conn_get_id (conn), _socket); 

			/* remove preread handler and shutdown */
			myqtt_conn_shutdown (conn);
			return;
		} /* end if */

		/* buffer[bytes_read] = 0;
		   msg ("PROXY-mqtt: sent content (mqtt conn-id=%d -> socket=%d): %s", myqtt_conn_get_id (conn), _socket, buffer); */
	} /* end if */

	return;
}
Exemplo n.º 11
0
/**
 * @internal Places current process identifier into the file provided
 * by the user.
 */
void valvulad_place_pidfile (ValvuladCtx * ctx)
{
	FILE    * pid_file = NULL;
	int       pid      = getpid ();
	char      buffer[20];
	int       size;
	axlNode * node;
	int       gid, uid;

	/* check if pid file exists */
	if  (! exarg_is_defined ("skip-pid-check")) {
		if (valvula_support_file_test (pid_file_path, FILE_EXISTS)) {
			abort_error ("Unable to start server, found pid file in place %s. There is a valvula server running. If not, remove file %s",
				     pid_file_path, pid_file_path);
			exit (-1);
			return;
		} /* end if */ 
	} else {
		wrn ("Skipping pid file checking..");
	} /* end if */

	/* open pid file or create it to place the pid file */
	pid_file = fopen (pid_file_path, "w");
	if (pid_file == NULL) {
		abort_error ("Unable to open pid file at: %s", pid_file_path);
		return;
	} /* end if */
	
	/* stringfy pid */
	size = axl_stream_printf_buffer (buffer, 20, NULL, "%d", pid);
	msg ("signaling PID %d at %s", pid, pid_file_path);
	if (fwrite (buffer, size, 1, pid_file) <= 0) {
	        abort_error ("Unable to write pid file content at %s, error was: errno=%d : %s",
			     pid_file, errno, strerror (errno));
		return;
	}

	fclose (pid_file);

	pid_file = fopen (valvula_status, "w");
	if (pid_file == NULL) {
		abort_error ("Unable to open valvula status file at: %s (errno=%d)", valvula_status, errno);
		return;
	} /* end if */

	fprintf (pid_file, "<valvula-state>\n");
	fprintf (pid_file, "  <attr name='valvula pid' value='%d' />\n", getpid ());
	fprintf (pid_file, "</valvula-state>\n");

	fclose (pid_file);

	/* now change permissions (if required) */
	node = axl_doc_get (ctx->config, "/valvula/global-settings/running");
	if (node && ATTR_VALUE (node, "user") && ATTR_VALUE (node, "group") && HAS_ATTR_VALUE (node, "enabled", "yes")) {
		/* change group first */
		gid = valvulad_get_system_id (ctx, ATTR_VALUE (node, "group"), axl_false);
		uid = valvulad_get_system_id (ctx, ATTR_VALUE (node, "user"), axl_true);
		msg ("Attempting to update pid ownership to %d:%d", uid, gid);
		if (gid > 0 && uid > 0) {
			if (chown (valvula_status, uid, gid) != 0) {
				error ("Unable to change permissions to file %s (%d:%d), error was errno=%d (%s)",
				       valvula_status, uid, gid, errno, strerror (errno));
			} /* end if */

			/**** do no change pid file ownership is a security problem ****/

		} /* end if */
	} /* end if */

	return;
}
Exemplo n.º 12
0
int
hoghdd (long long forks, int clean, long long files, long long bytes)
{
  long long i, j;
  int fd, pid, retval = 0;
  int chunk = (1024 * 1024) - 1;        /* Minimize slow writing.  */
  char buff[chunk];

  /* Make local copies of global variables.  */
  int ignore = global_ignore;
  int retry = global_retry;
  int timeout = global_timeout;
  long backoff = global_backoff * forks;

  /* Initialize buffer with some random ASCII data.  */
  dbg (stdout, "seeding buffer with random data\n");
  for (i = 0; i < chunk - 1; i++)
    {
      j = rand ();
      j = (j < 0) ? -j : j;
      j %= 95;
      j += 32;
      buff[i] = j;
    }
  buff[i] = '\n';

  dbg (stdout, "using backoff sleep of %lius for hoghdd\n", backoff);

  for (i = 0; forks == 0 || i < forks; i++)
    {
      switch (pid = fork ())
        {
        case 0:                /* child */
          alarm (timeout);

          /* Use a backoff sleep to ensure we get good fork throughput.  */
          usleep (backoff);

          while (1)
            {
              for (i = 0; i < files; i++)
                {
                  char name[] = "./stress.XXXXXX";

                  if ((fd = mkstemp (name)) < 0)
                    {
                      perror ("mkstemp");
                      err (stderr, "mkstemp failed\n");
                      exit (1);
                    }

                  if (clean == 0)
                    {
                      dbg (stdout, "unlinking %s\n", name);
                      if (unlink (name))
                        {
                          err (stderr, "unlink failed\n");
                          exit (1);
                        }
                    }

                  dbg (stdout, "fast writing to %s\n", name);
                  for (j = 0; bytes == 0 || j + chunk < bytes; j += chunk)
                    {
                      if (write (fd, buff, chunk) != chunk)
                        {
                          err (stderr, "write failed\n");
                          exit (1);
                        }
                    }

                  dbg (stdout, "slow writing to %s\n", name);
                  for (; bytes == 0 || j < bytes - 1; j++)
                    {
                      if (write (fd, "Z", 1) != 1)
                        {
                          err (stderr, "write failed\n");
                          exit (1);
                        }
                    }
                  if (write (fd, "\n", 1) != 1)
                    {
                      err (stderr, "write failed\n");
                      exit (1);
                    }
                  ++j;

                  dbg (stdout, "closing %s after writing %lli bytes\n", name,
                       j);
                  close (fd);

                  if (clean == 1)
                    {
                      if (unlink (name))
                        {
                          err (stderr, "unlink failed\n");
                          exit (1);
                        }
                    }
                }
              if (retval == 0)
                {
                  dbg (stdout, "hoghdd worker starting over\n");
                  continue;
                }

              exit (retval);
            }

          /* This case never falls through; alarm signal can cause exit.  */
        case -1:               /* error */
          if (ignore)
            {
              ++retval;
              wrn (stderr, "hoghdd worker fork failed, continuing\n");
              usleep (retry);
              continue;
            }

          err (stderr, "hoghdd worker fork failed\n");
          return 1;
        default:               /* parent */
          dbg (stdout, "--> hoghdd worker forked (%i)\n", pid);
        }
    }

  /* Wait for our children to exit.  */
  while (i)
    {
      int status, ret;

      if ((pid = wait (&status)) > 0)
        {
          if ((WIFEXITED (status)) != 0)
            {
              if ((ret = WEXITSTATUS (status)) != 0)
                {
                  err (stderr, "hoghdd worker %i exited %i\n", pid, ret);
                  retval += ret;
                }
              else
                {
                  dbg (stdout, "<-- hoghdd worker exited (%i)\n", pid);
                }
            }
          else
            {
              dbg (stdout, "<-- hoghdd worker signalled (%i)\n", pid);
            }

          --i;
        }
      else
        {
          dbg (stdout, "wait() returned error: %s\n", strerror (errno));
          err (stderr, "detected missing hoghdd worker children\n");
          ++retval;
          break;
        }
    }

  return retval;
}
Exemplo n.º 13
0
int
hogvm (long long forks, long long chunks, long long bytes)
{
  long long i, j, k;
  int pid, retval = 0;
  char *ptr;

  /* Make local copies of global variables.  */
  int ignore = global_ignore;
  int retry = global_retry;
  int timeout = global_timeout;
  long backoff = global_backoff * forks;

  dbg (stdout, "using backoff sleep of %lius for hogvm\n", backoff);

  if (bytes == 0)
    {
      /* 512MB is guess at the largest value can than be malloced at once.  */
      bytes = 512 * 1024 * 1024;
    }

  for (i = 0; forks == 0 || i < forks; i++)
    {
      switch (pid = fork ())
        {
        case 0:                /* child */
          alarm (timeout);

          /* Use a backoff sleep to ensure we get good fork throughput.  */
          usleep (backoff);

          while (1)
            {
              for (j = 0; chunks == 0 || j < chunks; j++)
                {
                  if ((ptr = (char *) malloc (bytes * sizeof (char))))
                    {
                      for (k = 0; k < bytes; k++)
                        ptr[k] = 'Z';   /* Ensure that COW happens.  */
                      dbg (stdout, "hogvm worker malloced %lli bytes\n", k);
                    }
                  else if (ignore)
                    {
                      ++retval;
                      wrn (stderr, "hogvm malloc failed, continuing\n");
                      usleep (retry);
                      continue;
                    }
                  else
                    {
                      ++retval;
                      err (stderr, "hogvm malloc failed\n");
                      break;
                    }
                }
              if (global_vmhang && retval == 0)
                {
                  dbg (stdout, "sleeping forever with allocated memory\n");
                  while (1)
                    sleep (1024);
                }
              if (retval == 0)
                {
                  dbg (stdout,
                       "hogvm worker freeing memory and starting over\n");
                  free (ptr);
                  continue;
                }

              exit (retval);
            }

          /* This case never falls through; alarm signal can cause exit.  */
        case -1:               /* error */
          if (ignore)
            {
              ++retval;
              wrn (stderr, "hogvm worker fork failed, continuing\n");
              usleep (retry);
              continue;
            }

          err (stderr, "hogvm worker fork failed\n");
          return 1;
        default:               /* parent */
          dbg (stdout, "--> hogvm worker forked (%i)\n", pid);
        }
    }

  /* Wait for our children to exit.  */
  while (i)
    {
      int status, ret;

      if ((pid = wait (&status)) > 0)
        {
          if ((WIFEXITED (status)) != 0)
            {
              if ((ret = WEXITSTATUS (status)) != 0)
                {
                  err (stderr, "hogvm worker %i exited %i\n", pid, ret);
                  retval += ret;
                }
              else
                {
                  dbg (stdout, "<-- hogvm worker exited (%i)\n", pid);
                }
            }
          else
            {
              dbg (stdout, "<-- hogvm worker signalled (%i)\n", pid);
            }

          --i;
        }
      else
        {
          dbg (stdout, "wait() returned error: %s\n", strerror (errno));
          err (stderr, "detected missing hogvm worker children\n");
          ++retval;
          break;
        }
    }

  return retval;
}
Exemplo n.º 14
0
int
hogio (long long forks)
{
  long long i;
  int pid, retval = 0;

  /* Make local copies of global variables.  */
  int ignore = global_ignore;
  int retry = global_retry;
  int timeout = global_timeout;
  long backoff = global_backoff * forks;

  dbg (stdout, "using backoff sleep of %lius for hogio\n", backoff);

  for (i = 0; forks == 0 || i < forks; i++)
    {
      switch (pid = fork ())
        {
        case 0:                /* child */
          alarm (timeout);

          /* Use a backoff sleep to ensure we get good fork throughput.  */
          usleep (backoff);

          while (1)
            sync ();

          /* This case never falls through; alarm signal can cause exit.  */
        case -1:               /* error */
          if (ignore)
            {
              ++retval;
              wrn (stderr, "hogio worker fork failed, continuing\n");
              usleep (retry);
              continue;
            }

          err (stderr, "hogio worker fork failed\n");
          return 1;
        default:               /* parent */
          dbg (stdout, "--> hogio worker forked (%i)\n", pid);
        }
    }

  /* Wait for our children to exit.  */
  while (i)
    {
      int status, ret;

      if ((pid = wait (&status)) > 0)
        {
          if ((WIFEXITED (status)) != 0)
            {
              if ((ret = WEXITSTATUS (status)) != 0)
                {
                  err (stderr, "hogio worker %i exited %i\n", pid, ret);
                  retval += ret;
                }
              else
                {
                  dbg (stdout, "<-- hogio worker exited (%i)\n", pid);
                }
            }
          else
            {
              dbg (stdout, "<-- hogio worker signalled (%i)\n", pid);
            }

          --i;
        }
      else
        {
          dbg (stdout, "wait() returned error: %s\n", strerror (errno));
          err (stderr, "detected missing hogio worker children\n");
          ++retval;
          break;
        }
    }

  return retval;
}
Exemplo n.º 15
0
int
main (int argc, char **argv)
{
  int i, pid, children = 0, retval = 0;
  long starttime, stoptime, runtime, forks;

  /* Variables that indicate which options have been selected.  */
  int do_dryrun = 0;
  long long do_backoff = 3000;
  long long do_timeout = 0;
  long long do_cpu = 0;
  long long do_io = 0;
  long long do_vm = 0;
  long long do_vm_bytes = 256 * 1024 * 1024;
  long long do_vm_stride = 4096;
  long long do_vm_hang = -1;
  int do_vm_keep = 0;
  long long do_hdd = 0;
  int do_hdd_clean = 2;
  long long do_hdd_bytes = 1024 * 1024 * 1024;

  /* Record our start time.  */
  if ((starttime = time (NULL)) == -1)
    {
      err (stderr, "failed to acquire current time: %s\n", strerror (errno));
      exit (1);
    }

  /* SuSv3 does not define any error conditions for this function.  */
  global_progname = basename (argv[0]);

  /* For portability, parse command line options without getopt_long.  */
  for (i = 1; i < argc; i++)
    {
      char *arg = argv[i];

      if (strcmp (arg, "--help") == 0 || strcmp (arg, "-?") == 0)
        {
          usage (0);
        }
      else if (strcmp (arg, "--version") == 0)
        {
          version (0);
        }
      else if (strcmp (arg, "--verbose") == 0 || strcmp (arg, "-v") == 0)
        {
          global_debug = 3;
        }
      else if (strcmp (arg, "--quiet") == 0 || strcmp (arg, "-q") == 0)
        {
          global_debug = 0;
        }
      else if (strcmp (arg, "--dry-run") == 0 || strcmp (arg, "-n") == 0)
        {
          do_dryrun = 1;
        }
      else if (strcmp (arg, "--backoff") == 0)
        {
          assert_arg ("--backoff");
          if (sscanf (arg, "%lli", &do_backoff) != 1)
            {
              err (stderr, "invalid number: %s\n", arg);
              exit (1);
            }
          if (do_backoff < 0)
            {
              err (stderr, "invalid backoff factor: %lli\n", do_backoff);
              exit (1);
            }
          dbg (stdout, "setting backoff coeffient to %llius\n", do_backoff);
        }
      else if (strcmp (arg, "--timeout") == 0 || strcmp (arg, "-t") == 0)
        {
          assert_arg ("--timeout");
          do_timeout = atoll_s (arg);
          if (do_timeout <= 0)
            {
              err (stderr, "invalid timeout value: %llis\n", do_timeout);
              exit (1);
            }
        }
      else if (strcmp (arg, "--cpu") == 0 || strcmp (arg, "-c") == 0)
        {
          assert_arg ("--cpu");
          do_cpu = atoll_b (arg);
          if (do_cpu <= 0)
            {
              err (stderr, "invalid number of cpu hogs: %lli\n", do_cpu);
              exit (1);
            }
        }
      else if (strcmp (arg, "--io") == 0 || strcmp (arg, "-i") == 0)
        {
          assert_arg ("--io");
          do_io = atoll_b (arg);
          if (do_io <= 0)
            {
              err (stderr, "invalid number of io hogs: %lli\n", do_io);
              exit (1);
            }
        }
      else if (strcmp (arg, "--vm") == 0 || strcmp (arg, "-m") == 0)
        {
          assert_arg ("--vm");
          do_vm = atoll_b (arg);
          if (do_vm <= 0)
            {
              err (stderr, "invalid number of vm hogs: %lli\n", do_vm);
              exit (1);
            }
        }
      else if (strcmp (arg, "--vm-bytes") == 0)
        {
          assert_arg ("--vm-bytes");
          do_vm_bytes = atoll_b (arg);
          if (do_vm_bytes <= 0)
            {
              err (stderr, "invalid vm byte value: %lli\n", do_vm_bytes);
              exit (1);
            }
        }
      else if (strcmp (arg, "--vm-stride") == 0)
        {
          assert_arg ("--vm-stride");
          do_vm_stride = atoll_b (arg);
          if (do_vm_stride <= 0)
            {
              err (stderr, "invalid stride value: %lli\n", do_vm_stride);
              exit (1);
            }
        }
      else if (strcmp (arg, "--vm-hang") == 0)
        {
          assert_arg ("--vm-hang");
          do_vm_hang = atoll_b (arg);
          if (do_vm_hang < 0)
            {
              err (stderr, "invalid value: %lli\n", do_vm_hang);
              exit (1);
            }
        }
      else if (strcmp (arg, "--vm-keep") == 0)
        {
          do_vm_keep = 1;
        }
      else if (strcmp (arg, "--hdd") == 0 || strcmp (arg, "-d") == 0)
        {
          assert_arg ("--hdd");
          do_hdd = atoll_b (arg);
          if (do_hdd <= 0)
            {
              err (stderr, "invalid number of hdd hogs: %lli\n", do_hdd);
              exit (1);
            }
        }
      else if (strcmp (arg, "--hdd-noclean") == 0)
        {
          do_hdd_clean = 0;
        }
      else if (strcmp (arg, "--hdd-bytes") == 0)
        {
          assert_arg ("--hdd-bytes");
          do_hdd_bytes = atoll_b (arg);
          if (do_hdd_bytes <= 0)
            {
              err (stderr, "invalid hdd byte value: %lli\n", do_hdd_bytes);
              exit (1);
            }
        }
      else
        {
          err (stderr, "unrecognized option: %s\n", arg);
          exit (1);
        }
    }

  /* Print startup message if we have work to do, bail otherwise.  */
  if (do_cpu + do_io + do_vm + do_hdd)
    {
      out (stdout, "dispatching hogs: %lli cpu, %lli io, %lli vm, %lli hdd\n",
           do_cpu, do_io, do_vm, do_hdd);
    }
  else
    usage (0);

  /* Round robin dispatch our worker processes.  */
  while ((forks = (do_cpu + do_io + do_vm + do_hdd)))
    {
      long long backoff, timeout = 0;

      /* Calculate the backoff value so we get good fork throughput.  */
      backoff = do_backoff * forks;
      dbg (stdout, "using backoff sleep of %llius\n", backoff);

      /* If we are supposed to respect a timeout, calculate it.  */
      if (do_timeout)
        {
          long long currenttime;

          /* Acquire current time.  */
          if ((currenttime = time (NULL)) == -1)
            {
              perror ("error acquiring current time");
              exit (1);
            }

          /* Calculate timeout based on current time.  */
          timeout = do_timeout - (currenttime - starttime);

          if (timeout > 0)
            {
              dbg (stdout, "setting timeout to %llis\n", timeout);
            }
          else
            {
              wrn (stderr, "used up time before all workers dispatched\n");
              break;
            }
        }

      if (do_cpu)
        {
          switch (pid = fork ())
            {
            case 0:            /* child */
              alarm (timeout);
              usleep (backoff);
              if (do_dryrun)
                exit (0);
              exit (hogcpu ());
            case -1:           /* error */
              err (stderr, "fork failed: %s\n", strerror (errno));
              break;
            default:           /* parent */
              dbg (stdout, "--> hogcpu worker %lli [%i] forked\n",
                   do_cpu, pid);
              ++children;
            }
          --do_cpu;
        }

      if (do_io)
        {
          switch (pid = fork ())
            {
            case 0:            /* child */
              alarm (timeout);
              usleep (backoff);
              if (do_dryrun)
                exit (0);
              exit (hogio ());
            case -1:           /* error */
              err (stderr, "fork failed: %s\n", strerror (errno));
              break;
            default:           /* parent */
              dbg (stdout, "--> hogio worker %lli [%i] forked\n", do_io, pid);
              ++children;
            }
          --do_io;
        }

      if (do_vm)
        {
          switch (pid = fork ())
            {
            case 0:            /* child */
              alarm (timeout);
              usleep (backoff);
              if (do_dryrun)
                exit (0);
              exit (hogvm
                    (do_vm_bytes, do_vm_stride, do_vm_hang, do_vm_keep));
            case -1:           /* error */
              err (stderr, "fork failed: %s\n", strerror (errno));
              break;
            default:           /* parent */
              dbg (stdout, "--> hogvm worker %lli [%i] forked\n", do_vm, pid);
              ++children;
            }
          --do_vm;
        }

      if (do_hdd)
        {
          switch (pid = fork ())
            {
            case 0:            /* child */
              alarm (timeout);
              usleep (backoff);
              if (do_dryrun)
                exit (0);
              exit (hoghdd (do_hdd_bytes, do_hdd_clean));
            case -1:           /* error */
              err (stderr, "fork failed: %s\n", strerror (errno));
              break;
            default:           /* parent */
              dbg (stdout, "--> hoghdd worker %lli [%i] forked\n",
                   do_hdd, pid);
              ++children;
            }
          --do_hdd;
        }
    }

  /* Wait for our children to exit.  */
  while (children)
    {
      int status, ret;

      if ((pid = wait (&status)) > 0)
        {
          --children;

          if (WIFEXITED (status))
            {
              if ((ret = WEXITSTATUS (status)) == 0)
                {
                  dbg (stdout, "<-- worker %i returned normally\n", pid);
                }
              else
                {
                  err (stderr, "<-- worker %i returned error %i\n", pid, ret);
                  ++retval;
                  wrn (stderr, "now reaping child worker processes\n");
                  if (signal (SIGUSR1, SIG_IGN) == SIG_ERR)
                    err (stderr, "handler error: %s\n", strerror (errno));
                  if (kill (-1 * getpid (), SIGUSR1) == -1)
                    err (stderr, "kill error: %s\n", strerror (errno));
                }
            }
          else if (WIFSIGNALED (status))
            {
              if ((ret = WTERMSIG (status)) == SIGALRM)
                {
                  dbg (stdout, "<-- worker %i signalled normally\n", pid);
                }
              else if ((ret = WTERMSIG (status)) == SIGUSR1)
                {
                  dbg (stdout, "<-- worker %i reaped\n", pid);
                }
              else
                {
                  err (stderr, "<-- worker %i got signal %i\n", pid, ret);
                  ++retval;
                  wrn (stderr, "now reaping child worker processes\n");
                  if (signal (SIGUSR1, SIG_IGN) == SIG_ERR)
                    err (stderr, "handler error: %s\n", strerror (errno));
                  if (kill (-1 * getpid (), SIGUSR1) == -1)
                    err (stderr, "kill error: %s\n", strerror (errno));
                }
            }
          else
            {
              err (stderr, "<-- worker %i exited abnormally\n", pid);
              ++retval;
            }
        }
      else
        {
          err (stderr, "error waiting for worker: %s\n", strerror (errno));
          ++retval;
          break;
        }
    }

  /* Record our stop time.  */
  if ((stoptime = time (NULL)) == -1)
    {
      err (stderr, "failed to acquire current time\n");
      exit (1);
    }

  /* Calculate our runtime.  */
  runtime = stoptime - starttime;

  /* Print final status message.  */
  if (retval)
    {
      err (stderr, "failed run completed in %lis\n", runtime);
    }
  else
    {
      out (stdout, "successful run completed in %lis\n", runtime);
    }

  exit (retval);
}
Exemplo n.º 16
0
ValvulaState bwl_check_status_rules (ValvulaCtx          * _ctx,
				     ValvulaRequest      * request,
				     ValvulaModBwlLevel    level,
				     const char          * level_label,
				     char               ** message,
				     ValvuladRes           result,
				     axl_bool              first_specific)
{

	ValvuladRow     row;
	const char    * status;
	const char    * source;
	const char    * destination;

	/* reset cursor */
	valvulad_db_first_row (ctx, result);

	/* get row and then status */
	row            = GET_ROW (result);
	while (row) {

		/* get status */
		status      = GET_CELL (row, 0);
		source      = GET_CELL (row, 1);
		destination = GET_CELL (row, 2);

		/* skip general rules first, look for specific rules where all attributes are defined */
		if (first_specific && (!source || strlen (source) == 0 || !destination || strlen (destination) == 0)) {
			/* get next row */
			row = GET_ROW (result);
			continue;
		} /* end if */

		/* ensure source matches */
		if (! valvula_address_rule_match (ctx->ctx, source, request->sender)) {
			if (__mod_bwl_enable_debug) 
				wrn ("BWL: rule does not match(1) status=%s, source=%s, destination=%s", status, source, destination);
			/* get next row */
			row = GET_ROW (result);
			continue;
		} /* end if */

		if (! valvula_address_rule_match (ctx->ctx, destination, request->recipient)) {
			if (__mod_bwl_enable_debug) 
				wrn ("BWL: rule does not match(2) status=%s, source=%s, destination=%s", status, source, destination);
			/* get next row */
			row = GET_ROW (result);
			continue;
		} /* end if */
			

		/* msg ("BWL: checking status=%s, source=%s, destination=%s", status, source, destination);
		   msg ("BWL:        with request source=%s, destination=%s", request->sender, request->recipient); */
		
		/* now check values */
		if (axl_stream_casecmp (status, "ok", 2)) {
			/* accept it if the sender or reception domain is local */
			if (valvulad_run_is_local_delivery (ctx, request)) {
				/* so, reached this point we have that
				 * the rule (whitelist) was added and
				 * it matches with a local delivery */
				return VALVULA_STATE_OK;
			} else {
				if (__mod_bwl_enable_debug) 
					wrn ("Skipping rule because it is not a local delivery..");
			} /* end if */
		}
		
		if (axl_stream_casecmp (status, "reject", 6)) {
			valvulad_reject (ctx, VALVULA_STATE_REJECT, request, "Rejecting due to blacklist (%s)", level_label);
			return VALVULA_STATE_REJECT;
			
		} /* end if */
		if (axl_stream_casecmp (status, "discard", 7)) {
			valvulad_reject (ctx, VALVULA_STATE_DISCARD, request, "Discard due to blacklist (%s)", level_label); 
			return VALVULA_STATE_DISCARD;
			
		} /* end if */

		if (axl_stream_casecmp (status, "filter-discard", 14)) {
			/* do a discard but instaed or returning DISCARD, use a filter to the transport discard: */
			(*message) = axl_strdup ("discard:");
			valvulad_reject (ctx, VALVULA_STATE_FILTER, request, "Discard (using filter-discard) due to blacklist (%s)", level_label); 
			return VALVULA_STATE_FILTER;
			
		} /* end if */

		/* get next row */
		row = GET_ROW (result);

	} /* end while */

	/* report dunno state */
	return VALVULA_STATE_DUNNO;
}