/** \brief Initialise SOM state. Used in both block and streaming mode. */
static really_inline
void initSomState(const struct RoseEngine *rose, u8 *state) {
assert(rose && state);
const u32 somCount = rose->somLocationCount;
mmbit_clear(state + rose->stateOffsets.somValid, somCount);
mmbit_clear(state + rose->stateOffsets.somWritable, somCount);
}
static really_inline
void roseEodExec_i(const struct RoseEngine *t, u8 *state, u64a offset,
struct hs_scratch *scratch, const char is_streaming) {
assert(t);
assert(scratch->core_info.buf || scratch->core_info.hbuf);
assert(!scratch->core_info.buf || !scratch->core_info.hbuf);
assert(!can_stop_matching(scratch));
// Fire the special EOD event literal.
if (t->hasEodEventLiteral) {
DEBUG_PRINTF("firing eod event id %u at offset %llu\n",
t->eodLiteralId, offset);
const struct core_info *ci = &scratch->core_info;
size_t len = ci->buf ? ci->len : ci->hlen;
assert(len || !ci->buf); /* len may be 0 if no history is required
* (bounds checks only can lead to this) */
roseRunEvent(len, t->eodLiteralId, &scratch->tctxt);
if (can_stop_matching(scratch)) {
DEBUG_PRINTF("user told us to stop\n");
return;
}
}
roseCheckNfaEod(t, state, scratch, offset, is_streaming);
if (!t->eodIterOffset && !t->ematcherOffset) {
DEBUG_PRINTF("no eod accepts\n");
return;
}
// Handle pending EOD reports.
int itrv = roseEodRunIterator(t, state, offset, scratch);
if (itrv == MO_HALT_MATCHING) {
return;
}
// Run the EOD anchored matcher if there is one.
if (t->ematcherOffset) {
assert(t->ematcherRegionSize);
// Unset the reports we just fired so we don't fire them again below.
mmbit_clear(getRoleState(state), t->rolesWithStateCount);
mmbit_clear(getActiveLeafArray(t, state), t->activeArrayCount);
sidecar_enabled_populate(t, scratch, state);
hwlmcb_rv_t rv = roseEodRunMatcher(t, offset, scratch, is_streaming);
if (rv == HWLM_TERMINATE_MATCHING) {
return;
}
cleanupAfterEodMatcher(t, state, offset, scratch);
// Fire any new EOD reports.
roseEodRunIterator(t, state, offset, scratch);
roseCheckEodSuffixes(t, state, offset, scratch);
}
}
