OpenVZ Forum: Devel » [PATCH 12/12] network namespace: L2 and L3 intro

Home » Mailing lists » Devel » [PATCH 12/12] network namespace: L2 and L3 intro

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

[PATCH 12/12] network namespace: L2 and L3 intro [message #16844]

Wed, 06 December 2006 22:30

Mishin Dmitry
Messages: 112
Registered: February 2006

Senior Member

Inroduce two kind of network namespaces - level 2 and level 3. First one is
 namespace with full set of networking objects, while second one -
 socket-level with restricted set.

 Signed-off-by: Dmitry Mishin <dim@openvz.org>

---
 drivers/net/veth.c            |    2 -
 include/linux/net_namespace.h |    5 +++-
 include/linux/nsproxy.h       |    5 ++--
 include/linux/sched.h         |    2 +
 kernel/fork.c                 |    3 +-
 kernel/nsproxy.c              |    5 ++--
 net/core/net_namespace.c      |   43 +++++++++++++++++++++++++++++-------------
 7 files changed, 45 insertions(+), 20 deletions(-)

--- linux-2.6.19-rc6-mm2.orig/drivers/net/veth.c
+++ linux-2.6.19-rc6-mm2/drivers/net/veth.c
@@ -327,7 +327,7 @@ static ssize_t veth_debug_write(struct f
 			id = simple_strtoul(s + 1, &s, 0);
 			err = sys_bind_ns(id, NS_ALL);
 		} else
-			err = sys_unshare_ns(NS_NET);
+			err = sys_unshare_ns(NS_NET2);
 		if (err)
 			goto out;
 		/* return to parent namespace */
--- linux-2.6.19-rc6-mm2.orig/include/linux/net_namespace.h
+++ linux-2.6.19-rc6-mm2/include/linux/net_namespace.h
@@ -27,6 +27,9 @@ struct net_namespace {
 	struct net_namespace	*parent;
 	struct list_head	child_list, sibling_list;
 	unsigned int		id;
+#define NET_NS_LEVEL2		1
+#define NET_NS_LEVEL3		2
+	unsigned int		level;
 };
 
 extern struct net_namespace init_net_ns;
@@ -85,7 +88,7 @@ static inline void get_net_ns(struct net
 static inline int unshare_net_ns(unsigned long unshare_flags,
 				 struct net_namespace **new_net)
 {
-	if (unshare_flags & NS_NET)
+	if (!(flags & (NS_NET2 | NS_NET3)))
 		return -EINVAL;
 
 	return 0;
--- linux-2.6.19-rc6-mm2.orig/include/linux/nsproxy.h
+++ linux-2.6.19-rc6-mm2/include/linux/nsproxy.h
@@ -20,9 +20,10 @@ struct user_namespace;
 #define NS_UTS		0x00000002
 #define NS_IPC		0x00000004
 #define NS_PID		0x00000008
-#define NS_NET		0x00000010
+#define NS_NET2		0x00000010
 #define NS_USER		0x00000020
-#define NS_ALL		(NS_MNT|NS_UTS|NS_IPC|NS_PID|NS_NET|NS_USER)
+#define NS_NET3		0x00000040
+#define NS_ALL		(NS_MNT|NS_UTS|NS_IPC|NS_PID|NS_NET2|NS_USER)
 
 /*
  * A structure to contain pointers to all per-process
--- linux-2.6.19-rc6-mm2.orig/include/linux/sched.h
+++ linux-2.6.19-rc6-mm2/include/linux/sched.h
@@ -26,6 +26,8 @@
 #define CLONE_STOPPED		0x02000000	/* Start in stopped state */
 #define CLONE_NEWUTS		0x04000000	/* New utsname group? */
 #define CLONE_NEWIPC		0x08000000	/* New ipcs */
+#define CLONE_NEWNET2		0x10000000	/* New level 2 network namespace */
+#define CLONE_NEWNET3		0x20000000	/* New level 3 network namespace */
 
 /*
  * Scheduling policies
--- linux-2.6.19-rc6-mm2.orig/kernel/fork.c
+++ linux-2.6.19-rc6-mm2/kernel/fork.c
@@ -1627,7 +1627,8 @@ asmlinkage long sys_unshare(unsigned lon
 	err = -EINVAL;
 	if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_NEWNS|CLONE_SIGHAND|
 				CLONE_VM|CLONE_FILES|CLONE_SYSVSEM|
-				CLONE_NEWUTS|CLONE_NEWIPC))
+				CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET2|
+				CLONE_NEWNET3))
 		goto bad_unshare_out;
 
 	if ((err = unshare_thread(unshare_flags)))
--- linux-2.6.19-rc6-mm2.orig/kernel/nsproxy.c
+++ linux-2.6.19-rc6-mm2/kernel/nsproxy.c
@@ -120,7 +120,8 @@ int copy_namespaces(int flags, struct ta
 
 	get_nsproxy(old_ns);
 
-	if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC)))
+	if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+					CLONE_NEWNET2 | CLONE_NEWNET3)))
 		return 0;
 
 	new_ns = clone_namespaces(old_ns);
@@ -329,7 +330,7 @@ static int switch_ns(int id, unsigned lo
 			put_pid_ns(new_ns->pid_ns);
 			new_ns->pid_ns = ns->pid_ns;
 		}
-		if (flags & NS_NET) {
+		if (flags & (NS_NET2 | NS_NET3)) {
 			get_net_ns(ns->net_ns);
 			put_net_ns(new_ns->net_ns);
 			new_ns->net_ns = ns->net_ns;
--- linux-2.6.19-rc6-mm2.orig/net/core/net_namespace.c
+++ linux-2.6.19-rc6-mm2/net/core/net_namespace.c
@@ -32,14 +32,20 @@ struct net_namespace init_net_ns = {
 
 /*
  * Clone a new ns copying an original net ns, setting refcount to 1
+ * @level: level of namespace to create
  * @old_ns: namespace to clone
- * Return NULL on error (failure to kmalloc), new ns otherwise
+ * Return ERR_PTR on error, new ns otherwise
  */
-static struct net_namespace *clone_net_ns(struct net_namespace *old_ns)
+static struct net_namespace *clone_net_ns(unsigned int level,
+						struct net_namespace *old_ns)
 {
 	struct net_namespace *ns, *orig_ns;
 	static unsigned int id = 1;
 
+	/* level 3 namespaces are incomplete in order to have childs */
+	if (current_net_ns->level == NET_NS_LEVEL3)
+		return ERR_PTR(-EPERM);
+
 	ns = kmalloc(sizeof(struct net_namespace), GFP_KERNEL);
 	if (!ns)
 		return NULL;
@@ -59,20 +65,25 @@ static struct net_namespace *clone_net_n
 	spin_unlock_irq(&net_ns_list_lock);
 
 	orig_ns = push_net_ns(ns);
+	if (level ==  NET_NS_LEVEL2) {
 #ifdef CONFIG_IP_MULTIPLE_TABLES
-	INIT_LIST_HEAD(&ns->fib_rules_ops_list);
+		INIT_LIST_HEAD(&ns->fib_rules_ops_list);
 #endif
-	if (ip_fib_struct_init())
-		goto out_fib4;
+		if (ip_fib_struct_init())
+			goto out_fib4;
+	}
+	ns->level = level;
 	if (loopback_init())
 		goto out_loopback;
 	put_net_ns(orig_ns);
-	printk(KERN_DEBUG "NET_NS: created new netcontext %p (%u) for %s "
-		"(pid=%d)\n", ns, ns->id, current->comm, current->tgid);
+	printk(KERN_DEBUG "NET_NS: created new netcontext %p (%u), level %u, "
+		"for %s (pid=%d)\n", ns, ns->id, (ns->level == NET_NS_LEVEL2) ?
+					2 : 3, current->comm, current->tgid);
 	return ns;
 
 out_loopback:
-	ip_fib_struct_cleanup();
+	if (level ==  NET_NS_LEVEL2)
+		ip_fib_struct_cleanup();
 out_fib4:
 	put_net_ns(orig_ns);
 	BUG_ON(atomic_read(&ns->kref.refcount) != 1);
@@ -86,17 +97,22 @@ out_fib4:
 int unshare_net_ns(unsigned long unshare_flags,
 		   struct net_namespace **new_net)
 {
-	if (unshare_flags & NS_NET) {
+	unsigned int level;
+
+	if (unshare_flags & (NS_NET2 | NS_NET3)) {
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
 
-		*new_net = clone_net_ns(current->nsproxy->net_ns);
-		if (!*new_net)
-			return -ENOMEM;
+		level = (unshare_flags & NS_NET2) ? NET_NS_LEVEL2 :
+								NET_NS_LEVEL3;
+		*new_net = clone_net_ns(level, current->nsproxy->net_ns);
+		if (IS_ERR(*new_net))
+			return PTR_ERR(*new_net);
 	}
 
 	return 0;
 }
+EXPORT_SYMBOL(unshare_net_ns);
 
 int copy_net_ns(int flags, struct task_struct *tsk)
 {
@@ -157,7 +173,8 @@ void free_net_ns(struct kref *kref)
 				ns, atomic_read(&ns->kref.refcount));
 		return;
 	}
-	ip_fib_struct_cleanup();
+	if (ns->level == NET_NS_LEVEL2)
+		ip_fib_struct_cleanup();
 	printk(KERN_DEBUG "NET_NS: netcontext %p (%u) destroyed\n",
 			ns, ns->id);
 	kfree(ns);
_______________________________________________
Containers mailing list
Containers@lists.osdl.org
https://lists.osdl.org/mailman/listinfo/containers

Report message to a moderator

Re: [PATCH 12/12] network namespace: L2 and L3 intro [message #16848 is a reply to message #16844]

Thu, 07 December 2006 09:34

Cedric Le Goater
Messages: 443
Registered: February 2006

Senior Member

I have issues with the hunks below. they don't apply :(

Can I have an updated version ? and I'll release the full patchset ASAP.

Thanks,

C.

> --- linux-2.6.19-rc6-mm2.orig/net/core/net_namespace.c
> +++ linux-2.6.19-rc6-mm2/net/core/net_namespace.c
> @@ -32,14 +32,20 @@ struct net_namespace init_net_ns = {
>  
>  /*
>   * Clone a new ns copying an original net ns, setting refcount to 1
> + * @level: level of namespace to create
>   * @old_ns: namespace to clone
> - * Return NULL on error (failure to kmalloc), new ns otherwise
> + * Return ERR_PTR on error, new ns otherwise
>   */
> -static struct net_namespace *clone_net_ns(struct net_namespace *old_ns)
> +static struct net_namespace *clone_net_ns(unsigned int level,
> +						struct net_namespace *old_ns)
>  {
>  	struct net_namespace *ns, *orig_ns;
>  	static unsigned int id = 1;
>  
> +	/* level 3 namespaces are incomplete in order to have childs */
> +	if (current_net_ns->level == NET_NS_LEVEL3)
> +		return ERR_PTR(-EPERM);
> +
>  	ns = kmalloc(sizeof(struct net_namespace), GFP_KERNEL);
>  	if (!ns)
>  		return NULL;
> @@ -59,20 +65,25 @@ static struct net_namespace *clone_net_n
>  	spin_unlock_irq(&net_ns_list_lock);
>  
>  	orig_ns = push_net_ns(ns);
> +	if (level ==  NET_NS_LEVEL2) {
>  #ifdef CONFIG_IP_MULTIPLE_TABLES
> -	INIT_LIST_HEAD(&ns->fib_rules_ops_list);
> +		INIT_LIST_HEAD(&ns->fib_rules_ops_list);
>  #endif
> -	if (ip_fib_struct_init())
> -		goto out_fib4;
> +		if (ip_fib_struct_init())
> +			goto out_fib4;
> +	}
> +	ns->level = level;
>  	if (loopback_init())
>  		goto out_loopback;
>  	put_net_ns(orig_ns);
> -	printk(KERN_DEBUG "NET_NS: created new netcontext %p (%u) for %s "
> -		"(pid=%d)\n", ns, ns->id, current->comm, current->tgid);
> +	printk(KERN_DEBUG "NET_NS: created new netcontext %p (%u), level %u, "
> +		"for %s (pid=%d)\n", ns, ns->id, (ns->level == NET_NS_LEVEL2) ?
> +					2 : 3, current->comm, current->tgid);
>  	return ns;
>  
>  out_loopback:
> -	ip_fib_struct_cleanup();
> +	if (level ==  NET_NS_LEVEL2)
> +		ip_fib_struct_cleanup();
>  out_fib4:
>  	put_net_ns(orig_ns);
>  	BUG_ON(atomic_read(&ns->kref.refcount) != 1);
> @@ -86,17 +97,22 @@ out_fib4:
>  int unshare_net_ns(unsigned long unshare_flags,
>  		   struct net_namespace **new_net)
>  {
> -	if (unshare_flags & NS_NET) {
> +	unsigned int level;
> +
> +	if (unshare_flags & (NS_NET2 | NS_NET3)) {
>  		if (!capable(CAP_SYS_ADMIN))
>  			return -EPERM;
>  
> -		*new_net = clone_net_ns(current->nsproxy->net_ns);
> -		if (!*new_net)
> -			return -ENOMEM;
> +		level = (unshare_flags & NS_NET2) ? NET_NS_LEVEL2 :
> +								NET_NS_LEVEL3;
> +		*new_net = clone_net_ns(level, current->nsproxy->net_ns);
> +		if (IS_ERR(*new_net))
> +			return PTR_ERR(*new_net);
>  	}
>  
>  	return 0;
>  }
> +EXPORT_SYMBOL(unshare_net_ns);
>  
>  int copy_net_ns(int flags, struct task_struct *tsk)
>  {
> @@ -157,7 +173,8 @@ void free_net_ns(struct kref *kref)
>  				ns, atomic_read(&ns->kref.refcount));
>  		return;
>  	}
> -	ip_fib_struct_cleanup();
> +	if (ns->level == NET_NS_LEVEL2)
> +		ip_fib_struct_cleanup();
>  	printk(KERN_DEBUG "NET_NS: netcontext %p (%u) destroyed\n",
>  			ns, ns->id);
>  	kfree(ns);
> _______________________________________________
> Containers mailing list
> Containers@lists.osdl.org
> https://lists.osdl.org/mailman/listinfo/containers
> 

_______________________________________________
Containers mailing list
Containers@lists.osdl.org
https://lists.osdl.org/mailman/listinfo/containers

Report message to a moderator

Re: [PATCH 12/12] network namespace: L2 and L3 intro [message #16854 is a reply to message #16848]

Thu, 07 December 2006 11:29

Mishin Dmitry
Messages: 112
Registered: February 2006

Senior Member

On Thursday 07 December 2006 12:34, Cedric Le Goater wrote:
> I have issues with the hunks below. they don't apply :(
> 
> Can I have an updated version ? and I'll release the full patchset ASAP.
Sorry, forgot to refresh.

--- 
 Inroduce two kind of network namespaces - level 2 and level 3. First one is
 namespace with full set of networking objects, while second one -
 socket-level with restricted set.

 Signed-off-by: Dmitry Mishin <dim@openvz.org>

---
 drivers/net/veth.c            |    2 -
 include/linux/net_namespace.h |    5 +++-
 include/linux/nsproxy.h       |    5 ++--
 include/linux/sched.h         |    2 +
 kernel/fork.c                 |    3 +-
 kernel/nsproxy.c              |    5 ++--
 net/core/net_namespace.c      |   43 +++++++++++++++++++++++++++++-------------
 7 files changed, 45 insertions(+), 20 deletions(-)

--- linux-2.6.19-rc6-mm2.orig/drivers/net/veth.c
+++ linux-2.6.19-rc6-mm2/drivers/net/veth.c
@@ -320,7 +320,7 @@ static ssize_t veth_debug_write(struct f
 			id = simple_strtoul(s + 1, &s, 0);
 			err = sys_bind_ns(id, NS_ALL);
 		} else
-			err = sys_unshare_ns(NS_NET);
+			err = sys_unshare_ns(NS_NET2);
 		if (err)
 			goto out;
 		/* after bind_ns() or unshare_ns() namespace is changed */
--- linux-2.6.19-rc6-mm2.orig/include/linux/net_namespace.h
+++ linux-2.6.19-rc6-mm2/include/linux/net_namespace.h
@@ -27,6 +27,9 @@ struct net_namespace {
 	struct net_namespace	*parent;
 	struct list_head	child_list, sibling_list;
 	unsigned int		id;
+#define NET_NS_LEVEL2		1
+#define NET_NS_LEVEL3		2
+	unsigned int		level;
 };
 
 extern struct net_namespace init_net_ns;
@@ -85,7 +88,7 @@ static inline void get_net_ns(struct net
 static inline int unshare_net_ns(unsigned long unshare_flags,
 				 struct net_namespace **new_net)
 {
-	if (unshare_flags & NS_NET)
+	if (!(flags & (NS_NET2 | NS_NET3)))
 		return -EINVAL;
 
 	return 0;
--- linux-2.6.19-rc6-mm2.orig/include/linux/nsproxy.h
+++ linux-2.6.19-rc6-mm2/include/linux/nsproxy.h
@@ -20,9 +20,10 @@ struct user_namespace;
 #define NS_UTS		0x00000002
 #define NS_IPC		0x00000004
 #define NS_PID		0x00000008
-#define NS_NET		0x00000010
+#define NS_NET2		0x00000010
 #define NS_USER		0x00000020
-#define NS_ALL		(NS_MNT|NS_UTS|NS_IPC|NS_PID|NS_NET|NS_USER)
+#define NS_NET3		0x00000040
+#define NS_ALL		(NS_MNT|NS_UTS|NS_IPC|NS_PID|NS_NET2|NS_USER)
 
 /*
  * A structure to contain pointers to all per-process
--- linux-2.6.19-rc6-mm2.orig/include/linux/sched.h
+++ linux-2.6.19-rc6-mm2/include/linux/sched.h
@@ -26,6 +26,8 @@
 #define CLONE_STOPPED		0x02000000	/* Start in stopped state */
 #define CLONE_NEWUTS		0x04000000	/* New utsname group? */
 #define CLONE_NEWIPC		0x08000000	/* New ipcs */
+#define CLONE_NEWNET2		0x10000000	/* New level 2 network namespace */
+#define CLONE_NEWNET3		0x20000000	/* New level 3 network namespace */
 
 /*
  * Scheduling policies
--- linux-2.6.19-rc6-mm2.orig/kernel/fork.c
+++ linux-2.6.19-rc6-mm2/kernel/fork.c
@@ -1627,7 +1627,8 @@ asmlinkage long sys_unshare(unsigned lon
 	err = -EINVAL;
 	if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_NEWNS|CLONE_SIGHAND|
 				CLONE_VM|CLONE_FILES|CLONE_SYSVSEM|
-				CLONE_NEWUTS|CLONE_NEWIPC))
+				CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET2|
+				CLONE_NEWNET3))
 		goto bad_unshare_out;
 
 	if ((err = unshare_thread(unshare_flags)))
--- linux-2.6.19-rc6-mm2.orig/kernel/nsproxy.c
+++ linux-2.6.19-rc6-mm2/kernel/nsproxy.c
@@ -120,7 +120,8 @@ int copy_namespaces(int flags, struct ta
 
 	get_nsproxy(old_ns);
 
-	if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC)))
+	if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+					CLONE_NEWNET2 | CLONE_NEWNET3)))
 		return 0;
 
 	new_ns = clone_namespaces(old_ns);
@@ -329,7 +330,7 @@ static int switch_ns(int id, unsigned lo
 			put_pid_ns(new_ns->pid_ns);
 			new_ns->pid_ns = ns->pid_ns;
 		}
-		if (flags & NS_NET) {
+		if (flags & (NS_NET2 | NS_NET3)) {
 			get_net_ns(ns->net_ns);
 			put_net_ns(new_ns->net_ns);
 			new_ns->net_ns = ns->net_ns;
--- linux-2.6.19-rc6-mm2.orig/net/core/net_namespace.c
+++ linux-2.6.19-rc6-mm2/net/core/net_namespace.c
@@ -32,13 +32,19 @@ struct net_namespace init_net_ns = {
 
 /*
  * Clone a new ns copying an original net ns, setting refcount to 1
+ * @level: level of namespace to create
  * @old_ns: namespace to clone
- * Return NULL on error (failure to kmalloc), new ns otherwise
+ * Return ERR_PTR on error, new ns otherwise
  */
-static struct net_namespace *clone_net_ns(struct net_namespace *old_ns)
+static struct net_namespace *clone_net_ns(unsigned int level,
+						struct net_namespace *old_ns)
 {
 	struct net_namespace *ns;
 
+	/* level 3 namespaces are incomplete in order to have childs */
+	if (current_net_ns->level == NET_NS_LEVEL3)
+		return ERR_PTR(-EPERM);
+
 	ns = kmalloc(sizeof(struct net_namespace), GFP_KERNEL);
 	if (!ns)
 		return NULL;
@@ -55,19 +61,24 @@ static struct net_namespace *clone_net_n
 	list_add_tail(&ns->sibling_list, &old_ns->child_list);
 	spin_unlock_irq(&net_ns_list_lock);
 
+	if (level ==  NET_NS_LEVEL2) {
 #ifdef CONFIG_IP_MULTIPLE_TABLES
-	INIT_LIST_HEAD(&ns->fib_rules_ops_list);
+		INIT_LIST_HEAD(&ns->fib_rules_ops_list);
 #endif
-	if (ip_fib_struct_init(ns))
-		goto out_fib4;
+		if (ip_fib_struct_init(ns))
+			goto out_fib4;
+	}
+	ns->level = level;
 	if (loopback_init(ns))
 		goto out_loopback;
-	printk(KERN_DEBUG "NET_NS: created new netcontext %p for %s "
-		"(pid=%d)\n", ns, current->comm, current->tgid);
+	printk(KERN_DEBUG "NET_NS: created new netcontext %p, level %u, "
+		"for %s (pid=%d)\n", ns, (ns->level == NET_NS_LEVEL2) ?
+					2 : 3, current->comm, current->tgid);
 	return ns;
 
 out_loopback:
-	ip_fib_struct_cleanup();
+	if (level ==  NET_NS_LEVEL2)
+		ip_fib_struct_cleanup();
 out_fib4:
 	BUG_ON(atomic_read(&ns->kref.refcount) != 1);
 	kfree(ns);
@@ -80,17 +91,22 @@ out_fib4:
 int unshare_net_ns(unsigned long unshare_flags,
 		   struct net_namespace **new_net)
 {
-	if (unshare_flags & NS_NET) {
+	unsigned int level;
+
+	if (unshare_flags & (NS_NET2 | NS_NET3)) {
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
 
-		*new_net = clone_net_ns(current->nsproxy->net_ns);
-		if (!*new_net)
-			return -ENOMEM;
+		level = (unshare_flags & NS_NET2) ? NET_NS_LEVEL2 :
+								NET_NS_LEVEL3;
+		*new_net = clone_net_ns(level, current->nsproxy->net_ns);
+		if (IS_ERR(*new_net))
+			return PTR_ERR(*new_net);
 	}
 
 	return 0;
 }
+EXPORT_SYMBOL(unshare_net_ns);
 
 int copy_net_ns(int flags, struct task_struct *tsk)
 {
@@ -127,7 +143,8 @@ void free_net_ns(struct kref *kref)
 				ns, atomic_read(&ns->kref.refcount));
 		return;
 	}
-	ip_fib_struct_cleanup();
+	if (ns->level == NET_NS_LEVEL2)
+		ip_fib_struct_cleanup();
 	printk(KERN_DEBUG "NET_NS: net namespace %p (%u) destroyed\n",
 			ns, ns->id);
 	kfree(ns);
_______________________________________________
Containers mailing list
Containers@lists.osdl.org
https://lists.osdl.org/mailman/listinfo/containers

Report message to a moderator

Previous Topic:	Re: [PATCH 5/12] L2 network namespace: IPv4 routing
Next Topic:	[PATCH] man: vz (5) -> vz.conf (5)

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Mon Jul 15 20:31:07 GMT 2024

Total time taken to generate the page: 0.02488 seconds