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netdev: netdev watch support

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This commit is contained in:
Andrew Zaborowski 2016-06-20 12:42:04 +02:00 committed by Denis Kenzior
parent aa7a6a4619
commit b6c22fc1b9
2 changed files with 67 additions and 0 deletions
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61
src/netdev.c
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@ -67,6 +67,15 @@ struct netdev {
uint32_t pairwise_new_key_cmd_id;
uint32_t pairwise_set_key_cmd_id;
uint32_t group_new_key_cmd_id;
struct l_queue *watches;
uint32_t next_watch_id;
};
struct netdev_watch {
uint32_t id;
netdev_watch_func_t callback;
void *user_data;
};
static struct l_netlink *rtnl = NULL;
@ -217,6 +226,8 @@ static void netdev_free(void *data)
netdev_set_linkmode_and_operstate(netdev->index, 0, IF_OPER_DOWN,
NULL, NULL);
l_queue_destroy(netdev->watches, l_free);
l_free(netdev);
}
@ -1000,6 +1011,14 @@ static void netdev_mlme_notify(struct l_genl_msg *msg, void *user_data)
}
}
static void netdev_watch_notify(void *data, void *user_data)
{
struct netdev_watch *watch = data;
struct netdev *netdev = user_data;
watch->callback(netdev, netdev->up, watch->user_data);
}
static void netdev_newlink_notify(const struct ifinfomsg *ifi, int bytes)
{
struct netdev *netdev;
@ -1014,6 +1033,8 @@ static void netdev_newlink_notify(const struct ifinfomsg *ifi, int bytes)
return;
netdev->up = up;
l_queue_foreach(netdev->watches, netdev_watch_notify, netdev);
}
static void netdev_getlink_cb(int error, uint16_t type, const void *data,
@ -1226,6 +1247,46 @@ static void netdev_link_notify(uint16_t type, const void *data, uint32_t len,
}
}
static bool netdev_watch_match(const void *a, const void *b)
{
const struct netdev_watch *item = a;
uint32_t id = L_PTR_TO_UINT(b);
return item->id == id;
}
uint32_t netdev_watch_add(struct netdev *netdev, netdev_watch_func_t func,
void *user_data)
{
struct netdev_watch *item;
item = l_new(struct netdev_watch, 1);
item->id = ++netdev->next_watch_id;
item->callback = func;
item->user_data = user_data;
if (!netdev->watches)
netdev->watches = l_queue_new();
l_queue_push_tail(netdev->watches, item);
return item->id;
}
bool netdev_watch_remove(struct netdev *netdev, uint32_t id)
{
struct netdev_watch *item;
item = l_queue_remove_if(netdev->watches, netdev_watch_match,
L_UINT_TO_PTR(id));
if (!item)
return false;
l_free(item);
return true;
}
bool netdev_init(struct l_genl_family *in)
{
struct l_genl_msg *msg;

6
src/netdev.h
View File

@ -52,6 +52,8 @@ typedef void (*netdev_event_func_t)(struct netdev *netdev,
void *user_data);
typedef void (*netdev_disconnect_cb_t)(struct netdev *netdev, bool result,
void *user_data);
typedef void (*netdev_watch_func_t)(struct netdev *netdev, bool up,
void *user_data);
const uint8_t *netdev_get_address(struct netdev *netdev);
uint32_t netdev_get_ifindex(struct netdev *netdev);
@ -68,5 +70,9 @@ int netdev_disconnect(struct netdev *netdev,
struct netdev *netdev_find(int ifindex);
uint32_t netdev_watch_add(struct netdev *netdev, netdev_watch_func_t func,
void *user_data);
bool netdev_watch_remove(struct netdev *netdev, uint32_t id);
bool netdev_init(struct l_genl_family *in);
bool netdev_exit(void);