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Some micro-optimizations, including a memcpy that is faster than Linux for most distro/compiler versions.

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This commit is contained in:
Adam Ierymenko 2017-12-15 11:03:20 -08:00
parent cb8e7b4d5e
commit 0608704626
22 changed files with 163 additions and 81 deletions
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8
controller/EmbeddedNetworkController.cpp
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@ -333,14 +333,14 @@ static bool _parseRule(json &r,ZT_VirtualNetworkRule &rule)
} else if (t == "MATCH_IPV6_SOURCE") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV6_SOURCE;
InetAddress ip(OSUtils::jsonString(r["ip"],"::0").c_str());
memcpy(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
ZT_FAST_MEMCPY(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_port) & 0xff;
if (rule.v.ipv6.mask > 128) rule.v.ipv6.mask = 128;
return true;
} else if (t == "MATCH_IPV6_DEST") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV6_DEST;
InetAddress ip(OSUtils::jsonString(r["ip"],"::0").c_str());
memcpy(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
ZT_FAST_MEMCPY(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_port) & 0xff;
if (rule.v.ipv6.mask > 128) rule.v.ipv6.mask = 128;
return true;
@ -1520,8 +1520,8 @@ void EmbeddedNetworkController::_request(
InetAddress ipRangeEnd(OSUtils::jsonString(pool["ipRangeEnd"],"").c_str());
if ( (ipRangeStart.ss_family == AF_INET6) && (ipRangeEnd.ss_family == AF_INET6) ) {
uint64_t s[2],e[2],x[2],xx[2];
memcpy(s,ipRangeStart.rawIpData(),16);
memcpy(e,ipRangeEnd.rawIpData(),16);
ZT_FAST_MEMCPY(s,ipRangeStart.rawIpData(),16);
ZT_FAST_MEMCPY(e,ipRangeEnd.rawIpData(),16);
s[0] = Utils::ntoh(s[0]);
s[1] = Utils::ntoh(s[1]);
e[0] = Utils::ntoh(e[0]);