isValidIpV4Address0() — netty Function Reference

Architecture documentation for the isValidIpV4Address0() function in NetUtil.java from the netty codebase.

Function java CommonUtil Logging calls 1 called by 1

Entity Profile

CommonUtil→ Logging→ isValidIpV4Address0() — netty Function Reference

Dependency Diagram

graph TD
  d3717d99_c871_d483_1086_003435fef5bb["isValidIpV4Address0()"]
  40fb3f7d_c2dd_316b_f965_bdef8e0dad94["NetUtil"]
  d3717d99_c871_d483_1086_003435fef5bb -->|defined in| 40fb3f7d_c2dd_316b_f965_bdef8e0dad94
  f5782167_2420_ff99_4480_b2d1e67eedd2["isValidIpV4Address()"]
  f5782167_2420_ff99_4480_b2d1e67eedd2 -->|calls| d3717d99_c871_d483_1086_003435fef5bb
  f668324c_fd5c_4354_3f91_248cdec098d2["isValidIpV4Word()"]
  d3717d99_c871_d483_1086_003435fef5bb -->|calls| f668324c_fd5c_4354_3f91_248cdec098d2
  style d3717d99_c871_d483_1086_003435fef5bb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/NetUtil.java lines 663–672

    @SuppressWarnings("DuplicateBooleanBranch")
    private static boolean isValidIpV4Address0(CharSequence ip, int from, int toExcluded) {
        int len = toExcluded - from;
        int i;
        return len <= 15 && len >= 7 &&
                (i = indexOf(ip, '.', from + 1)) > 0 && isValidIpV4Word(ip, from, i) &&
                (i =  indexOf(ip, '.', from = i + 2)) > 0 && isValidIpV4Word(ip, from - 1, i) &&
                (i =  indexOf(ip, '.', from = i + 2)) > 0 && isValidIpV4Word(ip, from - 1, i) &&
                isValidIpV4Word(ip, i + 1, toExcluded);
    }