writePacket() — netty Function Reference

Architecture documentation for the writePacket() function in UDPPacket.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ writePacket() — netty Function Reference

Dependency Diagram

graph TD
  08dd642f_88af_5a8e_c013_7131fcba6446["writePacket()"]
  09f1a7bb_1e7d_be54_deac_af2a86a4f62b["UDPPacket"]
  08dd642f_88af_5a8e_c013_7131fcba6446 -->|defined in| 09f1a7bb_1e7d_be54_deac_af2a86a4f62b
  style 08dd642f_88af_5a8e_c013_7131fcba6446 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/pcap/UDPPacket.java lines 36–42

    static void writePacket(ByteBuf byteBuf, ByteBuf payload, int srcPort, int dstPort) {
        byteBuf.writeShort(srcPort); // Source Port
        byteBuf.writeShort(dstPort); // Destination Port
        byteBuf.writeShort(UDP_HEADER_SIZE + payload.readableBytes()); // UDP Header Length + Payload Length
        byteBuf.writeShort(0x0001);  // Checksum
        byteBuf.writeBytes(payload); //  Payload of Data
    }