init() — netty Function Reference

Architecture documentation for the init() function in NativeDatagramPacketArray.java from the netty codebase.

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Dependency Diagram

graph TD
  ff253642_2eb0_17f7_3ecc_98192434783f["init()"]
  9f6481a1_7f1c_9f54_7a7a_c374e172d810["NativeDatagramPacket"]
  ff253642_2eb0_17f7_3ecc_98192434783f -->|defined in| 9f6481a1_7f1c_9f54_7a7a_c374e172d810
  3f127df8_c158_c9df_275e_c99e90486d95["add0()"]
  3f127df8_c158_c9df_275e_c99e90486d95 -->|calls| ff253642_2eb0_17f7_3ecc_98192434783f
  style ff253642_2eb0_17f7_3ecc_98192434783f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/NativeDatagramPacketArray.java lines 185–210

        private void init(long memoryAddress, int count, int segmentSize, InetSocketAddress recipient) {
            this.memoryAddress = memoryAddress;
            this.count = count;
            this.segmentSize = segmentSize;

            this.senderScopeId = 0;
            this.senderPort = -1;
            this.senderAddrLen = 0;

            if (recipient == null) {
                this.recipientScopeId = 0;
                this.recipientPort = 0;
                this.recipientAddrLen = 0;
            } else {
                InetAddress address = recipient.getAddress();
                if (address instanceof Inet6Address) {
                    System.arraycopy(address.getAddress(), 0, recipientAddr, 0, recipientAddr.length);
                    recipientScopeId = ((Inet6Address) address).getScopeId();
                } else {
                    copyIpv4MappedIpv6Address(address.getAddress(), recipientAddr);
                    recipientScopeId = 0;
                }
                recipientAddrLen = recipientAddr.length;
                recipientPort = recipient.getPort();
            }
        }