src: introduce node_sockaddr

Introduce the SocketAddress utility class. The QUIC implementation
makes extensive use of this for handling of socket addresses. It
was separated out to make it generically reusable throughout core

Signed-off-by: James M Snell <jasnell@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/32070
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/test/cctest/test_sockaddr.cc b/test/cctest/test_sockaddr.cc
new file mode 100644
index 0000000000..8c23463f11
--- /dev/null
+++ b/test/cctest/test_sockaddr.cc
@@ -0,0 +1,57 @@
+#include "node_sockaddr-inl.h"
+#include "gtest/gtest.h"
+
+using node::SocketAddress;
+
+TEST(SocketAddress, SocketAddress) {
+  CHECK(SocketAddress::is_numeric_host("123.123.123.123"));
+  CHECK(!SocketAddress::is_numeric_host("localhost"));
+
+  sockaddr_storage storage;
+  sockaddr_storage storage2;
+  SocketAddress::ToSockAddr(AF_INET, "123.123.123.123", 443, &storage);
+  SocketAddress::ToSockAddr(AF_INET, "1.1.1.1", 80, &storage2);
+
+  SocketAddress addr(reinterpret_cast<const sockaddr*>(&storage));
+  SocketAddress addr2(reinterpret_cast<const sockaddr*>(&storage2));
+
+  CHECK_EQ(addr.length(), sizeof(sockaddr_in));
+  CHECK_EQ(addr.family(), AF_INET);
+  CHECK_EQ(addr.address(), "123.123.123.123");
+  CHECK_EQ(addr.port(), 443);
+
+  addr.set_flow_label(12345);
+  CHECK_EQ(addr.flow_label(), 0);
+
+  CHECK_NE(addr, addr2);
+  CHECK_EQ(addr, addr);
+
+  CHECK_EQ(SocketAddress::Hash()(addr), SocketAddress::Hash()(addr));
+  CHECK_NE(SocketAddress::Hash()(addr), SocketAddress::Hash()(addr2));
+
+  addr.Update(reinterpret_cast<uint8_t*>(&storage2), sizeof(sockaddr_in));
+  CHECK_EQ(addr.length(), sizeof(sockaddr_in));
+  CHECK_EQ(addr.family(), AF_INET);
+  CHECK_EQ(addr.address(), "1.1.1.1");
+  CHECK_EQ(addr.port(), 80);
+
+  SocketAddress::Map<size_t> map;
+  map[addr]++;
+  map[addr]++;
+  CHECK_EQ(map[addr], 2);
+}
+
+TEST(SocketAddress, SocketAddressIPv6) {
+  sockaddr_storage storage;
+  SocketAddress::ToSockAddr(AF_INET6, "::1", 443, &storage);
+
+  SocketAddress addr(reinterpret_cast<const sockaddr*>(&storage));
+
+  CHECK_EQ(addr.length(), sizeof(sockaddr_in6));
+  CHECK_EQ(addr.family(), AF_INET6);
+  CHECK_EQ(addr.address(), "::1");
+  CHECK_EQ(addr.port(), 443);
+
+  addr.set_flow_label(12345);
+  CHECK_EQ(addr.flow_label(), 12345);
+}