/*****************************************************************************
* objects.c: vlc_object_t handling
*****************************************************************************
- * Copyright (C) 2004-2008 the VideoLAN team
+ * Copyright (C) 2004-2008 VLC authors and VideoLAN
* Copyright (C) 2006-2010 Rémi Denis-Courmont
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
# include <search.h>
#endif
-#ifndef WIN32
-# include <vlc_fs.h>
-# include <unistd.h>
-#else
+#ifdef __OS2__
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <unistd.h> // close(), write()
+#elif defined(WIN32)
# include <io.h>
# include <winsock2.h>
# include <ws2tcpip.h>
# define write( a, b, c ) send (a, b, c, 0)
# undef close
# define close( a ) closesocket (a)
+#else
+# include <vlc_fs.h>
+# include <unistd.h>
#endif
#include <limits.h>
static int DumpCommand( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-static vlc_object_t * FindChildName ( vlc_object_internals_t *, const char * );
+static vlc_object_t * FindName ( vlc_object_internals_t *, const char * );
static void PrintObject( vlc_object_internals_t *, const char * );
static void DumpStructure( vlc_object_internals_t *, unsigned, char * );
#undef vlc_custom_create
void *vlc_custom_create (vlc_object_t *parent, size_t length,
- int type, const char *typename)
+ const char *typename)
{
/* NOTE:
* VLC objects are laid out as follow:
vlc_object_internals_t *priv = malloc (sizeof (*priv) + length);
if (unlikely(priv == NULL))
return NULL;
- priv->i_object_type = type;
priv->psz_name = NULL;
priv->var_root = NULL;
vlc_mutex_init (&priv->var_lock);
vlc_spin_init (&priv->ref_spin);
priv->i_refcount = 1;
priv->pf_destructor = NULL;
- priv->prev = priv->next = priv->first = NULL;
+ priv->prev = NULL;
+ priv->first = NULL;
vlc_object_t *obj = (vlc_object_t *)(priv + 1);
obj->psz_object_type = typename;
obj->psz_header = NULL;
obj->b_die = false;
obj->b_force = false;
+ memset (obj + 1, 0, length - sizeof (*obj)); /* type-specific stuff */
if (likely(parent != NULL))
{
+ vlc_object_internals_t *papriv = vlc_internals (parent);
+
obj->i_flags = parent->i_flags;
obj->p_libvlc = parent->p_libvlc;
+
+ /* Attach the child to its parent (no lock needed) */
+ obj->p_parent = vlc_object_hold (parent);
+
+ /* Attach the parent to its child (structure lock needed) */
+ libvlc_lock (obj->p_libvlc);
+ priv->next = papriv->first;
+ if (priv->next != NULL)
+ priv->next->prev = priv;
+ papriv->first = priv;
+ libvlc_unlock (obj->p_libvlc);
}
else
{
obj->i_flags = 0;
obj->p_libvlc = self;
+ obj->p_parent = NULL;
+ priv->next = NULL;
vlc_mutex_init (&(libvlc_priv (self)->structure_lock));
/* TODO: should be in src/libvlc.c */
int canc = vlc_savecancel ();
var_Create (obj, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND);
- var_AddCallback (obj, "tree", DumpCommand, NULL);
+ var_AddCallback (obj, "tree", DumpCommand, obj);
var_Create (obj, "vars", VLC_VAR_STRING | VLC_VAR_ISCOMMAND);
- var_AddCallback (obj, "vars", DumpCommand, NULL);
+ var_AddCallback (obj, "vars", DumpCommand, obj);
vlc_restorecancel (canc);
}
- obj->p_parent = NULL;
- memset (obj + 1, 0, length - sizeof (*obj));
return obj;
}
*/
void *vlc_object_create( vlc_object_t *p_this, size_t i_size )
{
- return vlc_custom_create( p_this, i_size, VLC_OBJECT_GENERIC, "generic" );
+ return vlc_custom_create( p_this, i_size, "generic" );
}
#undef vlc_object_set_destructor
{
vlc_object_internals_t *p_priv = vlc_internals( p_this );
- /* Send a kill to the object's thread if applicable */
- vlc_object_kill( p_this );
-
/* Call the custom "subclass" destructor */
if( p_priv->pf_destructor )
p_priv->pf_destructor( p_this );
+ if (unlikely(p_this == VLC_OBJECT(p_this->p_libvlc)))
+ {
+ /* TODO: should be in src/libvlc.c */
+ var_DelCallback (p_this, "tree", DumpCommand, p_this);
+ var_DelCallback (p_this, "vars", DumpCommand, p_this);
+ }
+
/* Destroy the associated variables. */
var_DestroyAll( p_this );
}
-#ifdef WIN32
+#if defined(WIN32) || defined(__OS2__)
/**
* select()-able pipes emulated using Winsock
*/
# define vlc_pipe selectable_pipe
static int selectable_pipe (int fd[2])
{
- SOCKADDR_IN addr;
+ struct sockaddr_in addr;
int addrlen = sizeof (addr);
- SOCKET l = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP), a,
- c = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
- if ((l == INVALID_SOCKET) || (c == INVALID_SOCKET))
+ int l = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP),
+ c = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (l == -1 || c == -1)
goto error;
memset (&addr, 0, sizeof (addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- if (bind (l, (PSOCKADDR)&addr, sizeof (addr))
- || getsockname (l, (PSOCKADDR)&addr, &addrlen)
+ if (bind (l, (struct sockaddr *)&addr, sizeof (addr))
+ || getsockname (l, (struct sockaddr *)&addr, &addrlen)
|| listen (l, 1)
- || connect (c, (PSOCKADDR)&addr, addrlen))
+ || connect (c, (struct sockaddr *)&addr, addrlen))
goto error;
- a = accept (l, NULL, NULL);
- if (a == INVALID_SOCKET)
+ int a = accept (l, NULL, NULL);
+ if (a == -1)
goto error;
- closesocket (l);
+ close (l);
//shutdown (a, 0);
//shutdown (c, 1);
fd[0] = c;
return 0;
error:
- if (l != INVALID_SOCKET)
- closesocket (l);
- if (c != INVALID_SOCKET)
- closesocket (c);
+ if (l != -1)
+ close (l);
+ if (c != -1)
+ close (c);
return -1;
}
-#endif /* WIN32 */
+#endif /* WIN32 || __OS2__ */
static vlc_mutex_t pipe_lock = VLC_STATIC_MUTEX;
}
}
-static int objnamecmp(const vlc_object_t *obj, const char *name)
-{
- char *objname = vlc_object_get_name(obj);
- if (objname == NULL)
- return INT_MIN;
-
- int ret = strcmp (objname, name);
- free (objname);
- return ret;
-}
-
#undef vlc_object_find_name
/**
* Finds a named object and increment its reference count.
*
* @param p_this object to search from
* @param psz_name name of the object to search for
- * @param i_mode search direction: FIND_PARENT, FIND_CHILD or FIND_ANYWHERE.
*
* @return a matching object (must be released by the caller),
* or NULL on error.
*/
-vlc_object_t *vlc_object_find_name( vlc_object_t *p_this,
- const char *psz_name, int i_mode )
+vlc_object_t *vlc_object_find_name( vlc_object_t *p_this, const char *psz_name )
{
vlc_object_t *p_found;
/* Reading psz_object_name from a separate inhibits thread-safety.
* Use a libvlc address variable instead for that sort of things! */
- msg_Warn( p_this, "%s(%s) is not safe!", __func__, psz_name );
- /* If have the requested name ourselves, don't look further */
- if( !objnamecmp(p_this, psz_name) )
- {
- vlc_object_hold( p_this );
- return p_this;
- }
-
- /* Otherwise, recursively look for the object */
- if (i_mode == FIND_ANYWHERE)
- return vlc_object_find_name (VLC_OBJECT(p_this->p_libvlc), psz_name,
- FIND_CHILD);
+ msg_Err( p_this, "%s(\"%s\") is not safe!", __func__, psz_name );
- assert (i_mode == FIND_CHILD);
libvlc_lock (p_this->p_libvlc);
vlc_mutex_lock (&name_lock);
- p_found = FindChildName (vlc_internals (p_this), psz_name);
+ p_found = FindName (vlc_internals (p_this), psz_name);
vlc_mutex_unlock (&name_lock);
libvlc_unlock (p_this->p_libvlc);
return p_found;
if( b_should_destroy )
{
- /* Detach from parent to protect against FIND_CHILDREN */
+ /* Detach from parent to protect against vlc_object_find_name() */
parent = p_this->p_parent;
if (likely(parent))
{
}
}
-#undef vlc_object_attach
-/**
- * Exposes a VLC object in the hierarchy by attaching it to another object.
- * @note Before variables can be inherited, an object must be attached.
- * @param p_this object to expose
- * @param p_parent parent object in the hierarchy
- */
-void vlc_object_attach( vlc_object_t *p_this, vlc_object_t *p_parent )
-{
- if( !p_this ) return;
-
- vlc_object_internals_t *pap = vlc_internals (p_parent);
- vlc_object_internals_t *priv = vlc_internals (p_this);
-
- priv->prev = NULL;
- vlc_object_hold (p_parent);
- libvlc_lock (p_this->p_libvlc);
-
- /* Attach the parent to its child */
- assert (p_this->p_parent == NULL);
- p_this->p_parent = p_parent;
-
- /* Attach the child to its parent */
- priv->next = pap->first;
- if (priv->next != NULL)
- priv->next->prev = priv;
- pap->first = priv;
- libvlc_unlock (p_this->p_libvlc);
-}
-
-
#undef vlc_list_children
/**
* Gets the list of children of an objects, and increment their reference
MYCASE( TIME, "time" );
MYCASE( COORDS, "coords" );
MYCASE( ADDRESS, "address" );
- MYCASE( MUTEX, "mutex" );
#undef MYCASE
}
printf( " *-o \"%s\" (%s", p_var->psz_name, psz_type );
switch( p_var->i_type & VLC_VAR_CLASS )
{
case VLC_VAR_VOID:
- case VLC_VAR_MUTEX:
break;
case VLC_VAR_BOOL:
printf( ": %s", p_var->val.b_bool ? "true" : "false" );
static int DumpCommand( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- (void)oldval; (void)p_data;
+ (void)oldval;
vlc_object_t *p_object = NULL;
if( *newval.psz_string )
{
/* try using the object's name to find it */
- p_object = vlc_object_find_name( p_this, newval.psz_string,
- FIND_ANYWHERE );
+ p_object = vlc_object_find_name( p_data, newval.psz_string );
if( !p_object )
- {
return VLC_ENOOBJ;
- }
}
libvlc_lock (p_this->p_libvlc);
/* Following functions are local */
-static vlc_object_t *FindChildName (vlc_object_internals_t *priv,
- const char *name)
+static vlc_object_t *FindName (vlc_object_internals_t *priv, const char *name)
{
+ if (priv->psz_name != NULL && !strcmp (priv->psz_name, name))
+ return vlc_object_hold (vlc_externals (priv));
+
for (priv = priv->first; priv != NULL; priv = priv->next)
{
- if (priv->psz_name && !strcmp (priv->psz_name, name))
- return vlc_object_hold (vlc_externals (priv));
-
- vlc_object_t *found = FindChildName (priv, name);
+ vlc_object_t *found = FindName (priv, name);
if (found != NULL)
return found;
}
projects / vlc / blobdiff