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miracled: split peer allocation and linking

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If we don't split peer linking off, the peer might get advertised before
the sub-device related data is set. With dbus, this might trigger
callbacks to not return attributes as the peer-type is unknown. Therefore,
properly initialize the peer before linking/advertising it.

This fixes a bug where the initial InterfacesAdded signal for new peers
does not include all properties of a peer.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann 2014-02-10 18:27:21 +01:00
parent e60e678d40
commit 837fe1cea1
1 changed files with 24 additions and 16 deletions
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40
src/miracled-peer.c
View file

@ -53,7 +53,6 @@ int peer_make_name(unsigned int id, char **out)
static int peer_new(struct link *l, struct peer **out)
{
unsigned int id;
size_t hash = 0;
char *name;
struct peer *p;
int r;
@ -66,7 +65,7 @@ static int peer_new(struct link *l, struct peer **out)
if (r < 0)
return r;
if (shl_htable_lookup_str(&l->m->peers, name, &hash, NULL)) {
if (shl_htable_lookup_str(&l->m->peers, name, NULL, NULL)) {
free(name);
return -EALREADY;
}
@ -83,25 +82,26 @@ static int peer_new(struct link *l, struct peer **out)
p->id = id;
p->name = name;
r = shl_htable_insert_str(&l->m->peers, &p->name, &hash);
if (r < 0) {
log_vERR(r);
goto error;
}
++l->m->peer_cnt;
shl_dlist_link(&l->peers, &p->list);
peer_dbus_added(p);
log_info("new peer: %s@%s", p->name, l->name);
if (out)
*out = p;
return 0;
}
error:
peer_free(p);
return r;
static int peer_link(struct peer *p)
{
int r;
r = shl_htable_insert_str(&p->l->m->peers, &p->name, NULL);
if (r < 0)
return log_ERR(r);
++p->l->m->peer_cnt;
shl_dlist_link(&p->l->peers, &p->list);
peer_dbus_added(p);
log_info("new peer: %s@%s", p->name, p->l->name);
return 0;
}
int peer_new_wifi(struct link *l, struct wifi_dev *d, struct peer **out)
@ -116,10 +116,18 @@ int peer_new_wifi(struct link *l, struct wifi_dev *d, struct peer **out)
p->d = d;
wifi_dev_set_data(p->d, p);
r = peer_link(p);
if (r < 0)
goto error;
if (out)
*out = p;
return 0;
error:
peer_free(p);
return r;
}
void peer_free(struct peer *p)