void LightgrepController::scan(const scanner_params& sp, const recursion_control_block &rcb) {
if (!Prog) {
// we had no valid patterns, do nothing
return;
}
vector<PatternScanner*> scannerTable(lg_pattern_map_size(PatternInfo)); // [Keyword Index -> scanner], no ownership
vector<PatternScanner*> scannerList; // ownership list
for (vector<PatternScanner*>::const_iterator itr(Scanners.begin()); itr != Scanners.end(); ++itr) {
PatternScanner *s = (*itr)->clone();
scannerList.push_back(s);
for (unsigned int i = s->patternRange().first; i < s->patternRange().second; ++i) {
scannerTable[i] = s;
}
s->initScan(sp);
}
LG_ContextOptions ctxOpts;
ctxOpts.TraceBegin = 0xffffffffffffffff;
ctxOpts.TraceEnd = 0;
LG_HCONTEXT ctx = lg_create_context(Prog, &ctxOpts);
const sbuf_t &sbuf = sp.sbuf;
HitData data = { this, &scannerTable, &sp, &rcb };
// lg_search(ctx, (const char*)sbuf.buf, (const char*)sbuf.buf + sbuf.bufsize, 0, &data, gotHit);
if (lg_search(ctx, (const char*)sbuf.buf, (const char*)sbuf.buf + sbuf.pagesize, 0, &data, gotHit) < numeric_limits<uint64_t>::max()) {
lg_search_resolve(ctx, (const char*)sbuf.buf + sbuf.pagesize, (const char*)sbuf.buf + sbuf.bufsize, sbuf.pagesize, &data, gotHit);
}
lg_closeout_search(ctx, &data, gotHit);
lg_destroy_context(ctx);
// don't call PatternScanner::shutdown() on these! that only happens on prototypes
for (vector<PatternScanner*>::const_iterator itr(scannerList.begin()); itr != scannerList.end(); ++itr) {
(*itr)->finishScan(sp);
delete *itr;
}
}
void STest::search(const char* begin, const char* end, uint64_t offset) {
RetVal = lg_search(Ctx.get(), begin, end, offset, this, collector);
lg_closeout_search(Ctx.get(), this, collector);
}
