void
reliable_mark_active_outgoing (struct reliable *rel, struct buffer *buf, int opcode)
{
int i;
for (i = 0; i < rel->size; ++i)
{
struct reliable_entry *e = &rel->array[i];
if (buf == &e->buf)
{
/* Write mode, increment packet_id (i.e. sequence number)
linearly and prepend id to packet */
packet_id_type net_pid;
e->packet_id = rel->packet_id++;
net_pid = htonpid (e->packet_id);
ASSERT (buf_write_prepend (buf, &net_pid, sizeof (net_pid)));
e->active = true;
e->opcode = opcode;
e->next_try = 0;
e->timeout = rel->initial_timeout;
dmsg (D_REL_DEBUG, "ACK mark active outgoing ID " packet_id_format, (packet_id_print_type)e->packet_id);
return;
}
}
ASSERT (0); /* buf not found in rel */
}
/* removing all acknowledged entries from ack */
bool
reliable_ack_write(struct reliable_ack *ack,
struct buffer *buf,
const struct session_id *sid, int max, bool prepend)
{
int i, j;
uint8_t n;
struct buffer sub;
n = ack->len;
if (n > max)
{
n = max;
}
sub = buf_sub(buf, ACK_SIZE(n), prepend);
if (!BDEF(&sub))
{
goto error;
}
ASSERT(buf_write(&sub, &n, sizeof(n)));
for (i = 0; i < n; ++i)
{
packet_id_type pid = ack->packet_id[i];
packet_id_type net_pid = htonpid(pid);
ASSERT(buf_write(&sub, &net_pid, sizeof(net_pid)));
dmsg(D_REL_DEBUG, "ACK write ID " packet_id_format " (ack->len=%d, n=%d)", (packet_id_print_type)pid, ack->len, n);
}
if (n)
{
ASSERT(session_id_defined(sid));
ASSERT(session_id_write(sid, &sub));
for (i = 0, j = n; j < ack->len; )
ack->packet_id[i++] = ack->packet_id[j++];
ack->len = i;
}
return true;
error:
return false;
}