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netdev: Simplify event watches using watchlist

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This commit is contained in:
Denis Kenzior 2017-08-31 18:18:41 -05:00
parent fd661d5e9f
commit ba54fded0b
1 changed files with 16 additions and 68 deletions
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84
src/netdev.c
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@ -51,6 +51,7 @@
#include "src/wscutil.h"
#include "src/ftutil.h"
#include "src/util.h"
#include "src/watchlist.h"
#ifndef ENOTSUPP
#define ENOTSUPP 524
@ -89,8 +90,7 @@ struct netdev {
struct l_timeout *rssi_poll_timeout;
uint32_t rssi_poll_cmd_id;
struct l_queue *watches;
uint32_t next_watch_id;
struct watchlist event_watches;
bool connected : 1;
bool operational : 1;
@ -523,8 +523,7 @@ static void netdev_free(void *data)
}
device_remove(netdev->device);
l_queue_destroy(netdev->watches, l_free);
watchlist_destroy(&netdev->event_watches);
l_free(netdev);
}
@ -3056,19 +3055,6 @@ int netdev_set_iftype(struct netdev *netdev, enum netdev_iftype type)
return 0;
}
struct netdev_watch_event_data {
struct netdev *netdev;
enum netdev_watch_event type;
};
static void netdev_watch_notify(void *data, void *user_data)
{
struct netdev_watch *watch = data;
struct netdev_watch_event_data *event = user_data;
watch->callback(event->netdev, event->type, watch->user_data);
}
static void netdev_newlink_notify(const struct ifinfomsg *ifi, int bytes)
{
struct netdev *netdev;
@ -3076,7 +3062,6 @@ static void netdev_newlink_notify(const struct ifinfomsg *ifi, int bytes)
char old_name[IFNAMSIZ];
uint8_t old_addr[ETH_ALEN];
struct rtattr *attr;
struct netdev_watch_event_data event;
netdev = netdev_find(ifi->ifi_index);
if (!netdev)
@ -3105,27 +3090,18 @@ static void netdev_newlink_notify(const struct ifinfomsg *ifi, int bytes)
new_up = netdev_get_is_up(netdev);
if (old_up != new_up) {
event.netdev = netdev;
event.type = new_up ? NETDEV_WATCH_EVENT_UP :
NETDEV_WATCH_EVENT_DOWN;
if (old_up != new_up)
WATCHLIST_NOTIFY(&netdev->event_watches, netdev_watch_func_t,
netdev, new_up ? NETDEV_WATCH_EVENT_UP :
NETDEV_WATCH_EVENT_DOWN);
l_queue_foreach(netdev->watches, netdev_watch_notify, &event);
}
if (strcmp(old_name, netdev->name))
WATCHLIST_NOTIFY(&netdev->event_watches, netdev_watch_func_t,
netdev, NETDEV_WATCH_EVENT_NAME_CHANGE);
if (strcmp(old_name, netdev->name)) {
event.netdev = netdev;
event.type = NETDEV_WATCH_EVENT_NAME_CHANGE;
l_queue_foreach(netdev->watches, netdev_watch_notify, &event);
}
if (memcmp(old_addr, netdev->addr, ETH_ALEN)) {
event.netdev = netdev;
event.type = NETDEV_WATCH_EVENT_ADDRESS_CHANGE;
l_queue_foreach(netdev->watches, netdev_watch_notify, &event);
}
if (memcmp(old_addr, netdev->addr, ETH_ALEN))
WATCHLIST_NOTIFY(&netdev->event_watches, netdev_watch_func_t,
netdev, NETDEV_WATCH_EVENT_ADDRESS_CHANGE);
}
static void netdev_dellink_notify(const struct ifinfomsg *ifi, int bytes)
@ -3354,6 +3330,7 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
memcpy(netdev->addr, ifaddr, sizeof(netdev->addr));
memcpy(netdev->name, ifname, ifname_len);
netdev->wiphy = wiphy;
watchlist_init(&netdev->event_watches);
l_queue_push_tail(netdev_list, netdev);
@ -3466,44 +3443,15 @@ 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;
return watchlist_add(&netdev->event_watches, func, user_data, NULL);
}
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;
return watchlist_remove(&netdev->event_watches, id);
}
bool netdev_init(struct l_genl_family *in,