Method parseIPv4

core/src/main/java/io/questdb/network/Net.java:268–289

(CharSequence ipv4Address)

    public static native long msgHeaders(int blockSize, int count);

    public static int parseIPv4(CharSequence ipv4Address) {
        int ip = 0;
        int count = 0;
        int lo = 0;
        int hi;
        try {
            while ((hi = Chars.indexOf(ipv4Address, lo, '.')) > -1) {
                int n = Numbers.parseInt(ipv4Address, lo, hi);
                ip = (ip << 8) | n;
                count++;
                lo = hi + 1;
            }

            if (count != 3) {
                throw NetworkError.instance(0, "invalid address [").put(ipv4Address).put(']');
            }

            return (ip << 8) | Numbers.parseInt(ipv4Address, lo, ipv4Address.length());
        } catch (NumericException e) {
            throw NetworkError.instance(0, "invalid address [").put(ipv4Address).put(']');
        }
    }

    public static int peek(long fd, long ptr, int len) {
        return peek(toOsFd(fd), ptr, len);