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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
node/CertificateOfOwnership.hpp
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@ -115,11 +115,11 @@ public:
if (_thingCount >= ZT_CERTIFICATEOFOWNERSHIP_MAX_THINGS) return;
if (ip.ss_family == AF_INET) {
_thingTypes[_thingCount] = THING_IPV4_ADDRESS;
memcpy(_thingValues[_thingCount],&(reinterpret_cast<const struct sockaddr_in *>(&ip)->sin_addr.s_addr),4);
ZT_FAST_MEMCPY(_thingValues[_thingCount],&(reinterpret_cast<const struct sockaddr_in *>(&ip)->sin_addr.s_addr),4);
++_thingCount;
} else if (ip.ss_family == AF_INET6) {
_thingTypes[_thingCount] = THING_IPV6_ADDRESS;
memcpy(_thingValues[_thingCount],reinterpret_cast<const struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
ZT_FAST_MEMCPY(_thingValues[_thingCount],reinterpret_cast<const struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
++_thingCount;
}
}
@ -198,7 +198,7 @@ public:
for(unsigned int i=0,j=_thingCount;i<j;++i) {
if (i < ZT_CERTIFICATEOFOWNERSHIP_MAX_THINGS) {
_thingTypes[i] = (uint8_t)b[p++];
memcpy(_thingValues[i],b.field(p,ZT_CERTIFICATEOFOWNERSHIP_MAX_THING_VALUE_SIZE),ZT_CERTIFICATEOFOWNERSHIP_MAX_THING_VALUE_SIZE);
ZT_FAST_MEMCPY(_thingValues[i],b.field(p,ZT_CERTIFICATEOFOWNERSHIP_MAX_THING_VALUE_SIZE),ZT_CERTIFICATEOFOWNERSHIP_MAX_THING_VALUE_SIZE);
p += ZT_CERTIFICATEOFOWNERSHIP_MAX_THING_VALUE_SIZE;
}
}
@ -209,7 +209,7 @@ public:
if (b.template at<uint16_t>(p) != ZT_C25519_SIGNATURE_LEN)
throw ZT_EXCEPTION_INVALID_SERIALIZED_DATA_INVALID_CRYPTOGRAPHIC_TOKEN;
p += 2;
memcpy(_signature.data,b.field(p,ZT_C25519_SIGNATURE_LEN),ZT_C25519_SIGNATURE_LEN); p += ZT_C25519_SIGNATURE_LEN;
ZT_FAST_MEMCPY(_signature.data,b.field(p,ZT_C25519_SIGNATURE_LEN),ZT_C25519_SIGNATURE_LEN); p += ZT_C25519_SIGNATURE_LEN;
} else {
p += 2 + b.template at<uint16_t>(p);
}