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fix jb endless loop of missing packets

This commit is contained in:
Anthony Minessale 2014-07-03 02:16:32 +05:00
parent 0efcc9b973
commit 99f15662e2
1 changed files with 45 additions and 18 deletions
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63
src/switch_stfu.c
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@ -506,9 +506,9 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint16_t seq, uin
if (i->last_wr_ts) {
if (ts < 1000 && i->last_wr_ts > (UINT_MAX - 1000)) {
i->diff = abs(((UINT_MAX - i->last_wr_ts) + ts) / i->samples_per_packet);
i->diff = abs((int)(((UINT_MAX - i->last_wr_ts) + ts) / i->samples_per_packet));
} else if (ts) {
i->diff = abs(i->last_wr_ts - ts) / i->samples_per_packet;
i->diff = abs((int)(i->last_wr_ts - ts)) / i->samples_per_packet;
}
}
@ -568,19 +568,30 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint16_t seq, uin
return STFU_IT_WORKED;
}
static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_queue_t *queue, stfu_frame_t **r_frame)
static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_queue_t *queue, stfu_frame_t **r_frame, int force)
{
uint32_t i = 0, best_index = 0;
int best_diff = 1000000, cur_diff = 0;
stfu_frame_t *frame = NULL, *best_frame = NULL;
int newer = 0;
stfu_assert(r_frame);
*r_frame = NULL;
top:
if (force) {
in->cur_ts = 0;
}
for(i = 0; i < queue->real_array_size; i++) {
frame = &queue->array[i];
cur_diff = abs(frame->ts - in->cur_ts);
if (!frame->was_read && in->cur_ts && frame->ts > in->cur_ts) {
newer++;
}
cur_diff = abs((int)(frame->ts - in->cur_ts));
if (!frame->was_read && cur_diff < best_diff) {
best_diff = cur_diff;
@ -589,6 +600,11 @@ static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_queue_t *queue, stfu_
}
}
if (!force && !best_frame && newer) {
force = 1;
goto top;
}
if (best_frame) {
*r_frame = best_frame;
queue->last_index = best_index;
@ -684,7 +700,7 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
if (i->sync_out) {
if (!found) {
if ((found = stfu_n_find_any_frame(i, i->out_queue, &rframe))) {
if ((found = stfu_n_find_any_frame(i, i->out_queue, &rframe, 1))) {
i->cur_ts = rframe->ts;
i->cur_seq = rframe->seq;
}
@ -760,7 +776,7 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
i->period_bad_count++;
i->consecutive_good_count = 0;
}
if (found) {
i->last_frame = rframe;
i->out_queue->wr_len++;
@ -774,7 +790,13 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
i->plc_pt = rframe->pt;
} else {
if (stfu_n_find_any_frame(i, i->out_queue, &rframe)) {
int force = 0;
if (i->consecutive_bad_count > (i->max_qlen / 2)) {
force = 1;
}
if (stfu_n_find_any_frame(i, i->out_queue, &rframe, force)) {
i->cur_ts = rframe->ts;
i->cur_seq = rframe->seq;
i->last_wr_ts = i->cur_ts;
@ -786,17 +808,22 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
}
} else {
i->last_wr_ts = i->cur_ts;
rframe = &i->out_queue->int_frame;
rframe->dlen = i->plc_len;
rframe->pt = i->plc_pt;
rframe->ts = i->cur_ts;
rframe->seq = i->cur_seq;
i->miss_count++;
if (force) {
stfu_log(STFU_LOG_EMERG, "%s NO PACKETS HARD RESETTING\n", i->name);
stfu_n_reset(i);
} else {
i->last_wr_ts = i->cur_ts;
rframe = &i->out_queue->int_frame;
rframe->dlen = i->plc_len;
rframe->pt = i->plc_pt;
rframe->ts = i->cur_ts;
rframe->seq = i->cur_seq;
i->miss_count++;
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s PLC %d/%d %d %ld %u:%u\n", i->name,
i->miss_count, i->max_qlen, rframe->plc, rframe->dlen, rframe->ts, rframe->ts / i->samples_per_packet);
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s PLC %d/%d %d %ld %u:%u\n", i->name,
i->miss_count, i->max_qlen, rframe->plc, rframe->dlen, rframe->ts, rframe->ts / i->samples_per_packet);
}
}
}