VOM: prefix bit fiddling
Change-Id: I4fbf4a574f455628d56e78cefc1a76adc06bc801
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
diff --git a/src/vpp-api/vom/prefix.cpp b/src/vpp-api/vom/prefix.cpp
index 24fb57b..269c28f 100644
--- a/src/vpp-api/vom/prefix.cpp
+++ b/src/vpp-api/vom/prefix.cpp
@@ -281,32 +281,127 @@
return (addr);
}
-boost::asio::ip::address_v4
-route::prefix_t::mask() const
+boost::asio::ip::address_v6
+operator|(const boost::asio::ip::address_v6& addr1,
+ const boost::asio::ip::address_v6& addr2)
{
- uint32_t a;
+ boost::asio::ip::address_v6::bytes_type b1 = addr1.to_bytes();
+ boost::asio::ip::address_v6::bytes_type b2 = addr2.to_bytes();
- a = ~((1 << mask_width()) - 1);
- boost::asio::ip::address_v4 addr(a);
+ for (boost::asio::ip::address_v6::bytes_type::size_type ii = 0;
+ ii < b1.max_size(); ii++) {
+ b1[ii] |= b2[ii];
+ }
+
+ boost::asio::ip::address_v6 addr(b1);
return (addr);
}
-boost::asio::ip::address_v4
-route::prefix_t::low() const
+boost::asio::ip::address_v6 operator&(const boost::asio::ip::address_v6& addr1,
+ const boost::asio::ip::address_v6& addr2)
{
- boost::asio::ip::address_v4 low;
- low = address().to_v4() & mask();
- return (low);
+ boost::asio::ip::address_v6::bytes_type b1 = addr1.to_bytes();
+ boost::asio::ip::address_v6::bytes_type b2 = addr2.to_bytes();
+
+ for (boost::asio::ip::address_v6::bytes_type::size_type ii = 0;
+ ii < b1.max_size(); ii++) {
+ b1[ii] &= b2[ii];
+ }
+
+ boost::asio::ip::address_v6 addr(b1);
+ return (addr);
}
-boost::asio::ip::address_v4
+boost::asio::ip::address_v6 operator~(const boost::asio::ip::address_v6& addr1)
+{
+ boost::asio::ip::address_v6::bytes_type b1 = addr1.to_bytes();
+
+ for (boost::asio::ip::address_v6::bytes_type::size_type ii = 0;
+ ii < b1.max_size(); ii++) {
+ b1[ii] = ~b1[ii];
+ }
+
+ boost::asio::ip::address_v6 addr(b1);
+ return (addr);
+}
+boost::asio::ip::address
+operator|(const boost::asio::ip::address& addr1,
+ const boost::asio::ip::address& addr2)
+{
+ if (addr1.is_v6())
+ return (addr1.to_v6() | addr2.to_v6());
+ else
+ return (addr1.to_v4() | addr2.to_v4());
+}
+
+boost::asio::ip::address operator&(const boost::asio::ip::address& addr1,
+ const boost::asio::ip::address& addr2)
+{
+ if (addr1.is_v6())
+ return (addr1.to_v6() & addr2.to_v6());
+ else
+ return (addr1.to_v4() & addr2.to_v4());
+}
+
+boost::asio::ip::address operator~(const boost::asio::ip::address& addr1)
+{
+ if (addr1.is_v6())
+ return ~(addr1.to_v6());
+ else
+ return ~(addr1.to_v4());
+}
+
+boost::asio::ip::address
+route::prefix_t::mask() const
+{
+ if (m_addr.is_v6()) {
+ boost::asio::ip::address_v6::bytes_type b =
+ boost::asio::ip::address_v6::any().to_bytes();
+
+ uint8_t n_bits = mask_width();
+
+ for (boost::asio::ip::address_v6::bytes_type::size_type ii = 0;
+ ii < b.max_size(); ii++) {
+ for (int8_t bit = 7; bit >= 0 && n_bits; bit--) {
+ b[ii] |= (1 << bit);
+ n_bits--;
+ }
+ if (!n_bits)
+ break;
+ }
+
+ return (boost::asio::ip::address_v6(b));
+ } else {
+ uint32_t a;
+
+ a = ~((1 << (32 - mask_width())) - 1);
+
+ return (boost::asio::ip::address_v4(a));
+ }
+}
+
+route::prefix_t
+route::prefix_t::low() const
+{
+ prefix_t pfx(*this);
+
+ pfx.m_addr = pfx.m_addr & pfx.mask();
+
+ return (pfx);
+}
+
+route::prefix_t
route::prefix_t::high() const
{
- boost::asio::ip::address_v4 high;
- high = address().to_v4() | ~mask();
- return (high);
+ prefix_t pfx(*this);
+
+ pfx.m_addr = pfx.m_addr | ~pfx.mask();
+
+ return (pfx);
}
-}
+
+}; // namespace VOM
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vpp-api/vom/prefix.hpp b/src/vpp-api/vom/prefix.hpp
index 3277929..e395e17 100644
--- a/src/vpp-api/vom/prefix.hpp
+++ b/src/vpp-api/vom/prefix.hpp
@@ -170,17 +170,17 @@
/**
* Return a address representation of the mask, e.g. 255.255.0.0
*/
- boost::asio::ip::address_v4 mask() const;
+ boost::asio::ip::address mask() const;
/**
* get the lowest address in the prefix
*/
- boost::asio::ip::address_v4 low() const;
+ prefix_t low() const;
/**
* Get the highest address in the prefix
*/
- boost::asio::ip::address_v4 high() const;
+ prefix_t high() const;
/**
* Get the L3 protocol
@@ -208,6 +208,22 @@
boost::asio::ip::address_v4 operator~(const boost::asio::ip::address_v4& addr1);
+boost::asio::ip::address_v6 operator|(const boost::asio::ip::address_v6& addr1,
+ const boost::asio::ip::address_v6& addr2);
+
+boost::asio::ip::address_v6 operator&(const boost::asio::ip::address_v6& addr1,
+ const boost::asio::ip::address_v6& addr2);
+
+boost::asio::ip::address_v6 operator~(const boost::asio::ip::address_v6& addr1);
+
+boost::asio::ip::address operator|(const boost::asio::ip::address& addr1,
+ const boost::asio::ip::address& addr2);
+
+boost::asio::ip::address operator&(const boost::asio::ip::address& addr1,
+ const boost::asio::ip::address& addr2);
+
+boost::asio::ip::address operator~(const boost::asio::ip::address& addr1);
+
/**
* Ostream printer for prefix_t
*/
diff --git a/src/vpp-api/vom/route_domain.cpp b/src/vpp-api/vom/route_domain.cpp
index c723f9f..e8c1e59 100644
--- a/src/vpp-api/vom/route_domain.cpp
+++ b/src/vpp-api/vom/route_domain.cpp
@@ -101,8 +101,8 @@
{
std::ostringstream s;
s << "route-domain:["
- << "table-id:" << m_table_id << " v4:" << m_hw_v4 << " v6:" << m_hw_v6
- << "]";
+ << "table-id:" << m_table_id << " v4:" << m_hw_v4.to_string()
+ << " v6:" << m_hw_v6.to_string() << "]";
return (s.str());
}