Add to/from in6_addr to SockAddr

llarp/net/address_info.cpp

@@ -152,13 +152,23 @@ namespace llarp
   IpAddress
   AddressInfo::toIpAddress() const
   {
-    throw std::runtime_error("FIXME - AddressInfo::toIpAddress()");
+    SockAddr addr(ip);
+    addr.setPort(port);
+    return IpAddress(addr);
   }
 
   void
   AddressInfo::fromIpAddress(const IpAddress& address)
   {
-    throw std::runtime_error("FIXME - AddressInfo::fromIpAddress()");
+    SockAddr addr = address.createSockAddr();
+    const sockaddr_in6* addr6 = addr;
+    memcpy(ip.s6_addr, addr6->sin6_addr.s6_addr, sizeof(ip.s6_addr));
+
+    auto maybePort = address.getPort();
+    if (maybePort)
+      port = maybePort.value();
+    else
+      port = 0;
   }
 
   std::ostream&

llarp/net/sock_addr.cpp

@@ -120,6 +120,23 @@ namespace llarp
     return *this;
   }
 
+  SockAddr::SockAddr(const in6_addr& addr)
+  {
+    *this = addr;
+  }
+
+  SockAddr&
+  SockAddr::operator=(const in6_addr& other)
+  {
+    init();
+
+    memcpy(&m_addr.sin6_addr.s6_addr, &other.s6_addr, sizeof(m_addr.sin6_addr.s6_addr));
+
+    m_empty = false;
+
+    return *this;
+  }
+
   SockAddr::operator const sockaddr*() const
   {
     return (sockaddr*)&m_addr;

llarp/net/sock_addr.hpp

@@ -32,6 +32,10 @@ namespace llarp
     SockAddr&
     operator=(const sockaddr_in6& addr);
 
+    SockAddr(const in6_addr& addr);
+    SockAddr&
+    operator=(const in6_addr& addr);
+
     operator const sockaddr*() const;
     operator const sockaddr_in6*() const;