dbus/wvdbusmarshal.cc

   1 /* -*- Mode: C++ -*-
   2  * Worldvisions Weaver Software:
   3  *   Copyright (C) 2004-2006 Net Integration Technologies, Inc.
   4  *
   5  * Wrapper code for marshalling/demarshalling WvDBusMsg objects.  This is
   6  * in a separate file from WvDBusMsg in case you want to use a WvDBusMsg
   7  * but not our special/gross marshalling code from wvdbusmarshal_c.c.
   8  *
   9  */
  10 #include "wvdbusmsg.h"
  11 #undef interface // windows
  12 #include <dbus/dbus.h>
  13
  14 WvDBusMsg *WvDBusMsg::demarshal(WvBuf &buf)
  15 {
  16     size_t used = 0;
  17     DBusMessage *_msg = wvdbus_demarshal(buf.peek(0, buf.used()), buf.used(),
  18                                          &used);
  19     buf.get(used);
  20     if (_msg)
  21     {
  22         WvDBusMsg *msg = new WvDBusMsg(_msg);
  23         dbus_message_unref(_msg);
  24         return msg;
  25     }
  26     else
  27         return NULL;
  28 }
  29
  30
  31 size_t WvDBusMsg::demarshal_bytes_needed(WvBuf &buf)
  32 {
  33     size_t used = buf.used();
  34     return wvdbus_message_length(buf.peek(0, used), used);
  35 }
  36
  37
  38 void WvDBusMsg::marshal(WvBuf &buf)
  39 {
  40     size_t len;
  41     char *cbuf;
  42
  43     if (wvdbus_marshal(*this, &cbuf, &len))
  44     {
  45         buf.put(cbuf, len);
  46         free(cbuf);
  47     }
  48 }