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Add new rule to rules engine: random match.

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This commit is contained in:
Adam Ierymenko 2016-09-30 14:07:00 -07:00
parent 6651b8310e
commit 988049f39b
4 changed files with 33 additions and 4 deletions
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4
node/Network.cpp
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@ -504,6 +504,10 @@ static _doZtFilterResult _doZtFilter(
thisRuleMatches = (uint8_t)((frameLen >= (unsigned int)rules[rn].v.frameSize[0])&&(frameLen <= (unsigned int)rules[rn].v.frameSize[1]));
FILTER_TRACE("%u %s %c %u in %u-%u -> %u",rn,_rtn(rt),(((rules[rn].t & 0x80) != 0) ? '!' : '='),frameLen,(unsigned int)rules[rn].v.frameSize[0],(unsigned int)rules[rn].v.frameSize[1],(unsigned int)thisRuleMatches);
break;
case ZT_NETWORK_RULE_MATCH_RANDOM:
thisRuleMatches = (uint8_t)((uint32_t)(RR->node->prng() & 0xffffffffULL) <= rules[rn].v.randomProbability);
FILTER_TRACE("%u %s %c -> %u",rn,_rtn(rt),(((rules[rn].t & 0x80) != 0) ? '!' : '='),(unsigned int)thisRuleMatches);
break;
case ZT_NETWORK_RULE_MATCH_TAGS_DIFFERENCE:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR: