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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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34
node/InetAddress.hpp
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@ -91,8 +91,8 @@ struct InetAddress : public sockaddr_storage
};
InetAddress() { memset(this,0,sizeof(InetAddress)); }
InetAddress(const InetAddress &a) { memcpy(this,&a,sizeof(InetAddress)); }
InetAddress(const InetAddress *a) { memcpy(this,a,sizeof(InetAddress)); }
InetAddress(const InetAddress &a) { ZT_FAST_MEMCPY(this,&a,sizeof(InetAddress)); }
InetAddress(const InetAddress *a) { ZT_FAST_MEMCPY(this,a,sizeof(InetAddress)); }
InetAddress(const struct sockaddr_storage &ss) { *this = ss; }
InetAddress(const struct sockaddr_storage *ss) { *this = ss; }
InetAddress(const struct sockaddr &sa) { *this = sa; }
@ -108,28 +108,28 @@ struct InetAddress : public sockaddr_storage
inline InetAddress &operator=(const InetAddress &a)
{
if (&a != this)
memcpy(this,&a,sizeof(InetAddress));
ZT_FAST_MEMCPY(this,&a,sizeof(InetAddress));
return *this;
}
inline InetAddress &operator=(const InetAddress *a)
{
if (a != this)
memcpy(this,a,sizeof(InetAddress));
ZT_FAST_MEMCPY(this,a,sizeof(InetAddress));
return *this;
}
inline InetAddress &operator=(const struct sockaddr_storage &ss)
{
if (reinterpret_cast<const InetAddress *>(&ss) != this)
memcpy(this,&ss,sizeof(InetAddress));
ZT_FAST_MEMCPY(this,&ss,sizeof(InetAddress));
return *this;
}
inline InetAddress &operator=(const struct sockaddr_storage *ss)
{
if (reinterpret_cast<const InetAddress *>(ss) != this)
memcpy(this,ss,sizeof(InetAddress));
ZT_FAST_MEMCPY(this,ss,sizeof(InetAddress));
return *this;
}
@ -137,7 +137,7 @@ struct InetAddress : public sockaddr_storage
{
if (reinterpret_cast<const InetAddress *>(&sa) != this) {
memset(this,0,sizeof(InetAddress));
memcpy(this,&sa,sizeof(struct sockaddr_in));
ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in));
}
return *this;
}
@ -146,7 +146,7 @@ struct InetAddress : public sockaddr_storage
{
if (reinterpret_cast<const InetAddress *>(sa) != this) {
memset(this,0,sizeof(InetAddress));
memcpy(this,sa,sizeof(struct sockaddr_in));
ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in));
}
return *this;
}
@ -155,7 +155,7 @@ struct InetAddress : public sockaddr_storage
{
if (reinterpret_cast<const InetAddress *>(&sa) != this) {
memset(this,0,sizeof(InetAddress));
memcpy(this,&sa,sizeof(struct sockaddr_in6));
ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in6));
}
return *this;
}
@ -164,7 +164,7 @@ struct InetAddress : public sockaddr_storage
{
if (reinterpret_cast<const InetAddress *>(sa) != this) {
memset(this,0,sizeof(InetAddress));
memcpy(this,sa,sizeof(struct sockaddr_in6));
ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in6));
}
return *this;
}
@ -175,10 +175,10 @@ struct InetAddress : public sockaddr_storage
memset(this,0,sizeof(InetAddress));
switch(sa.sa_family) {
case AF_INET:
memcpy(this,&sa,sizeof(struct sockaddr_in));
ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in));
break;
case AF_INET6:
memcpy(this,&sa,sizeof(struct sockaddr_in6));
ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in6));
break;
}
}
@ -191,10 +191,10 @@ struct InetAddress : public sockaddr_storage
memset(this,0,sizeof(InetAddress));
switch(sa->sa_family) {
case AF_INET:
memcpy(this,sa,sizeof(struct sockaddr_in));
ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in));
break;
case AF_INET6:
memcpy(this,sa,sizeof(struct sockaddr_in6));
ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in6));
break;
}
}
@ -388,7 +388,7 @@ struct InetAddress : public sockaddr_storage
break;
case AF_INET6:
r.ss_family = AF_INET6;
memcpy(reinterpret_cast<struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr,reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr,16);
ZT_FAST_MEMCPY(reinterpret_cast<struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr,reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr,16);
break;
}
return r;
@ -537,12 +537,12 @@ struct InetAddress : public sockaddr_storage
return (unsigned int)(b.template at<uint16_t>(p) + 3); // other addresses begin with 16-bit non-inclusive length
case 0x04:
ss_family = AF_INET;
memcpy(&(reinterpret_cast<struct sockaddr_in *>(this)->sin_addr.s_addr),b.field(p,4),4); p += 4;
ZT_FAST_MEMCPY(&(reinterpret_cast<struct sockaddr_in *>(this)->sin_addr.s_addr),b.field(p,4),4); p += 4;
reinterpret_cast<struct sockaddr_in *>(this)->sin_port = Utils::hton(b.template at<uint16_t>(p)); p += 2;
break;
case 0x06:
ss_family = AF_INET6;
memcpy(reinterpret_cast<struct sockaddr_in6 *>(this)->sin6_addr.s6_addr,b.field(p,16),16); p += 16;
ZT_FAST_MEMCPY(reinterpret_cast<struct sockaddr_in6 *>(this)->sin6_addr.s6_addr,b.field(p,16),16); p += 16;
reinterpret_cast<struct sockaddr_in *>(this)->sin_port = Utils::hton(b.template at<uint16_t>(p)); p += 2;
break;
default: