/**
* rgaWaitTail
*
*
*
*/
uint8_t *rgaWaitTail(
rgaRing_t *ring)
{
uint8_t *tail = NULL;
g_mutex_lock(ring->mtx);
while (!ring->interrupt && ((tail = rgaNextTail(ring)) == NULL)) {
g_cond_wait(ring->cnd_zero, ring->mtx);
}
if (ring->interrupt) {
tail = NULL;
goto end;
}
if (++(ring->trsv) >= ring->cap) {
ring->trsv = ring->cap;
}
g_cond_signal(ring->cnd_full);
end:
g_mutex_unlock(ring->mtx);
return tail;
}
gboolean yfProcessPBufRing(
yfContext_t *ctx,
GError **err)
{
AirLock *lock = NULL;
yfPBuf_t *pbuf = NULL;
gboolean ok = TRUE;
uint64_t cur_time;
/* point to lock buffer if we need it */
if (ctx->cfg->lockmode) {
lock = &ctx->lockbuf;
}
/* Open output if we need to */
if (!ctx->fbuf) {
if (!(ctx->fbuf = yfOutputOpen(ctx->cfg, lock, err))) {
ok = FALSE;
goto end;
}
}
/* Dump statistics if requested */
yfStatDumpLoop();
/* process packets from the ring buffer */
while ((pbuf = (yfPBuf_t *)rgaNextTail(ctx->pbufring))) {
/* Skip time zero packets (these are marked invalid) */
if (!pbuf->ptime) {
continue;
}
/* Add the packet to the flow table */
yfFlowPBuf(ctx->flowtab, ctx->pbuflen, pbuf);
}
/* Flush the flow table */
if (!yfFlowTabFlush(ctx, FALSE, err)) {
ok = FALSE;
goto end;
}
/* Close output file for rotation if necessary */
if (ctx->cfg->rotate_ms) {
cur_time = yfFlowTabCurrentTime(ctx->flowtab);
if (ctx->last_rotate_ms) {
if (cur_time - ctx->last_rotate_ms > ctx->cfg->rotate_ms) {
yfOutputClose(ctx->fbuf, lock, TRUE);
ctx->fbuf = NULL;
ctx->last_rotate_ms = cur_time;
if (!(ctx->fbuf = yfOutputOpen(ctx->cfg, lock, err))) {
ok = FALSE;
goto end;
}
}
} else {
ctx->last_rotate_ms = cur_time;
}
}
end:
return ok;
}