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#include "node_sockaddr-inl.h" // NOLINT(build/include)
#include "uv.h"
namespace node {
namespace {
template <typename T, typename F>
SocketAddress FromUVHandle(F fn, const T& handle) {
SocketAddress addr;
int len = sizeof(sockaddr_storage);
if (fn(&handle, addr.storage(), &len) == 0)
CHECK_EQ(static_cast<size_t>(len), addr.length());
else
addr.storage()->sa_family = 0;
return addr;
}
} // namespace
bool SocketAddress::ToSockAddr(
int32_t family,
const char* host,
uint32_t port,
sockaddr_storage* addr) {
switch (family) {
case AF_INET:
return uv_ip4_addr(
host,
port,
reinterpret_cast<sockaddr_in*>(addr)) == 0;
case AF_INET6:
return uv_ip6_addr(
host,
port,
reinterpret_cast<sockaddr_in6*>(addr)) == 0;
default:
UNREACHABLE();
}
}
bool SocketAddress::New(
const char* host,
uint32_t port,
SocketAddress* addr) {
return New(AF_INET, host, port, addr) || New(AF_INET6, host, port, addr);
}
bool SocketAddress::New(
int32_t family,
const char* host,
uint32_t port,
SocketAddress* addr) {
return ToSockAddr(family, host, port,
reinterpret_cast<sockaddr_storage*>(addr->storage()));
}
size_t SocketAddress::Hash::operator()(const SocketAddress& addr) const {
size_t hash = 0;
switch (addr.family()) {
case AF_INET: {
const sockaddr_in* ipv4 =
reinterpret_cast<const sockaddr_in*>(addr.raw());
hash_combine(&hash, ipv4->sin_port, ipv4->sin_addr.s_addr);
break;
}
case AF_INET6: {
const sockaddr_in6* ipv6 =
reinterpret_cast<const sockaddr_in6*>(addr.raw());
const uint64_t* a =
reinterpret_cast<const uint64_t*>(&ipv6->sin6_addr);
hash_combine(&hash, ipv6->sin6_port, a[0], a[1]);
break;
}
default:
UNREACHABLE();
}
return hash;
}
SocketAddress SocketAddress::FromSockName(const uv_tcp_t& handle) {
return FromUVHandle(uv_tcp_getsockname, handle);
}
SocketAddress SocketAddress::FromSockName(const uv_udp_t& handle) {
return FromUVHandle(uv_udp_getsockname, handle);
}
SocketAddress SocketAddress::FromPeerName(const uv_tcp_t& handle) {
return FromUVHandle(uv_tcp_getpeername, handle);
}
SocketAddress SocketAddress::FromPeerName(const uv_udp_t& handle) {
return FromUVHandle(uv_udp_getpeername, handle);
}
} // namespace node
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