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Don't wake up without paths

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2019-03-09 14:37:32 +00:00
parent eab4cdb1ad
commit f67a5b4fed
2 changed files with 12 additions and 6 deletions
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16
mud.c
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@@ -1467,7 +1467,7 @@ mud_update(struct mud *mud, uint64_t now)
mud->mtu = mtu ?: MUD_MTU_MIN;
}
unsigned long
long
mud_send_wait(struct mud *mud)
{
const uint64_t now = mud_now();
@@ -1477,12 +1477,18 @@ mud_send_wait(struct mud *mud)
if (mud->window)
return 0;
unsigned long dt = MUD_ONE_SEC - 1;
long dt = MUD_ONE_SEC - 1;
unsigned not_down = 0;
for (unsigned i = 0; i < mud->count; i++) {
struct mud_path *path = &mud->paths[i];
if (path->state <= MUD_DOWN || !path->ok)
if (path->state <= MUD_DOWN)
continue;
not_down++;
if (!path->ok)
continue;
uint64_t elapsed = MUD_TIME_MASK(now - path->window_time);
@@ -1493,10 +1499,10 @@ mud_send_wait(struct mud *mud)
uint64_t new_dt = MUD_WINDOW_TIMEOUT - elapsed;
if ((uint64_t)dt > new_dt)
dt = (unsigned long)new_dt;
dt = (long)new_dt;
}
return dt;
return not_down ? dt : -1;
}
unsigned long

2
mud.h
View File

@@ -63,7 +63,7 @@ int mud_get_key (struct mud *, unsigned char *, size_t *);
void mud_set_mtu (struct mud *, size_t);
size_t mud_get_mtu (struct mud *);
unsigned long mud_send_wait (struct mud *);
long mud_send_wait (struct mud *);
unsigned long mud_sync (struct mud *);
int mud_set_time_tolerance (struct mud *, unsigned long);