newTcpMd5Sigs() — netty Function Reference

Architecture documentation for the newTcpMd5Sigs() function in TcpMd5Util.java from the netty codebase.

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Buffer→ Telemetry→ newTcpMd5Sigs() — netty Function Reference

Dependency Diagram

graph TD
  5940a575_dc34_e2c4_8786_b0f92e6de764["newTcpMd5Sigs()"]
  9b256397_7b66_3f2f_bcfc_d85563e386ee["TcpMd5Util"]
  5940a575_dc34_e2c4_8786_b0f92e6de764 -->|defined in| 9b256397_7b66_3f2f_bcfc_d85563e386ee
  style 5940a575_dc34_e2c4_8786_b0f92e6de764 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/TcpMd5Util.java lines 32–69

    static Collection<InetAddress> newTcpMd5Sigs(AbstractEpollChannel channel, Collection<InetAddress> current,
                                         Map<InetAddress, byte[]> newKeys) throws IOException {
        checkNotNull(channel, "channel");
        checkNotNull(current, "current");
        checkNotNull(newKeys, "newKeys");

        // Validate incoming values
        for (Entry<InetAddress, byte[]> e : newKeys.entrySet()) {
            final byte[] key = e.getValue();
            checkNotNullWithIAE(e.getKey(), "e.getKey");
            checkNonEmpty(key, e.getKey().toString());
            if (key.length > Native.TCP_MD5SIG_MAXKEYLEN) {
                throw new IllegalArgumentException("newKeys[" + e.getKey() +
                    "] has a key with invalid length; should not exceed the maximum length (" +
                        Native.TCP_MD5SIG_MAXKEYLEN + ')');
            }
        }

        // Remove mappings not present in the new set.
        for (InetAddress addr : current) {
            if (!newKeys.containsKey(addr)) {
                channel.socket.setTcpMd5Sig(addr, null);
            }
        }

        if (newKeys.isEmpty()) {
            return Collections.emptySet();
        }

        // Set new mappings and store addresses which we set.
        final Collection<InetAddress> addresses = new ArrayList<InetAddress>(newKeys.size());
        for (Entry<InetAddress, byte[]> e : newKeys.entrySet()) {
            channel.socket.setTcpMd5Sig(e.getKey(), e.getValue());
            addresses.add(e.getKey());
        }

        return addresses;
    }