Sovietaced | a0aca27 | 2014-12-31 15:11:42 -0500 | [diff] [blame^] | 1 | package org.projectfloodlight.openflow.types; |
| 2 | |
| 3 | import org.jboss.netty.buffer.ChannelBuffer; |
| 4 | |
| 5 | import com.google.common.hash.PrimitiveSink; |
| 6 | |
| 7 | public class OFBitMask512 implements OFValueType<OFBitMask512> { |
| 8 | |
| 9 | static final int LENGTH = 64; |
| 10 | |
| 11 | private final long raw1; |
| 12 | private final long raw2; |
| 13 | private final long raw3; |
| 14 | private final long raw4; |
| 15 | private final long raw5; |
| 16 | private final long raw6; |
| 17 | private final long raw7; |
| 18 | private final long raw8; |
| 19 | |
| 20 | public static final OFBitMask512 ALL = new OFBitMask512(-1, -1, -1, -1, |
| 21 | -1, -1, -1, -1); |
| 22 | public static final OFBitMask512 NONE = new OFBitMask512(0, 0, 0, 0, |
| 23 | 0, 0, 0, 0); |
| 24 | |
| 25 | public static final OFBitMask512 NO_MASK = ALL; |
| 26 | public static final OFBitMask512 FULL_MASK = NONE; |
| 27 | |
| 28 | private OFBitMask512(long raw1, long raw2, long raw3, long raw4, |
| 29 | long raw5, long raw6, long raw7, long raw8) { |
| 30 | this.raw1 = raw1; |
| 31 | this.raw2 = raw2; |
| 32 | this.raw3 = raw3; |
| 33 | this.raw4 = raw4; |
| 34 | this.raw5 = raw5; |
| 35 | this.raw6 = raw6; |
| 36 | this.raw7 = raw7; |
| 37 | this.raw8 = raw8; |
| 38 | } |
| 39 | |
| 40 | public static OFBitMask512 of(long raw1, long raw2, long raw3, long raw4, |
| 41 | long raw5, long raw6, long raw7, long raw8) { |
| 42 | if (raw1 == -1 && raw2 == -1 && raw3 == -1 && raw4 == -1 |
| 43 | && raw5 == -1 && raw6 == -1 && raw7 == -1 && raw8 == -1) |
| 44 | return ALL; |
| 45 | if (raw1 == 0 && raw2 == 0 && raw3 == 0 && raw4 == 0 |
| 46 | && raw5 == 0 && raw6 == 0 && raw7 == 0 && raw8 == 0) |
| 47 | return NONE; |
| 48 | return new OFBitMask512(raw1, raw2, raw3, raw4, raw5, raw6, raw7, raw8); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public int getLength() { |
| 53 | return LENGTH; |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public OFBitMask512 applyMask(OFBitMask512 mask) { |
| 58 | return of(this.raw1 & mask.raw1, this.raw2 & mask.raw2, |
| 59 | this.raw3 & mask.raw3, this.raw4 & mask.raw4, |
| 60 | this.raw5 & mask.raw5, this.raw6 & mask.raw6, |
| 61 | this.raw7 & mask.raw7, this.raw8 & mask.raw8); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public int hashCode() { |
| 66 | final int prime = 31; |
| 67 | int result = 1; |
| 68 | result = prime * result + (int) (raw1 ^ (raw1 >>> 32)); |
| 69 | result = prime * result + (int) (raw2 ^ (raw2 >>> 32)); |
| 70 | result = prime * result + (int) (raw3 ^ (raw3 >>> 32)); |
| 71 | result = prime * result + (int) (raw4 ^ (raw4 >>> 32)); |
| 72 | result = prime * result + (int) (raw5 ^ (raw5 >>> 32)); |
| 73 | result = prime * result + (int) (raw6 ^ (raw6 >>> 32)); |
| 74 | result = prime * result + (int) (raw7 ^ (raw7 >>> 32)); |
| 75 | result = prime * result + (int) (raw8 ^ (raw8 >>> 32)); |
| 76 | return result; |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public boolean equals(Object obj) { |
| 81 | if (this == obj) return true; |
| 82 | if (obj == null) return false; |
| 83 | if (getClass() != obj.getClass()) return false; |
| 84 | OFBitMask512 other = (OFBitMask512) obj; |
| 85 | if (raw1 != other.raw1) return false; |
| 86 | if (raw2 != other.raw2) return false; |
| 87 | if (raw3 != other.raw3) return false; |
| 88 | if (raw4 != other.raw4) return false; |
| 89 | if (raw5 != other.raw5) return false; |
| 90 | if (raw6 != other.raw6) return false; |
| 91 | if (raw7 != other.raw7) return false; |
| 92 | if (raw8 != other.raw8) return false; |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | protected static boolean isBitOn(long raw1, long raw2, long raw3, long raw4, |
| 97 | long raw5, long raw6, long raw7, long raw8, int bit) { |
| 98 | if (bit < 0 || bit >= 512) |
| 99 | throw new IndexOutOfBoundsException(); |
| 100 | long word; |
| 101 | if (bit < 64) { |
| 102 | word = raw8; |
| 103 | } else if (bit < 128) { |
| 104 | word = raw7; |
| 105 | bit -= 64; |
| 106 | } else if (bit < 128) { |
| 107 | word = raw6; |
| 108 | bit -= 128; |
| 109 | } else if (bit < 128) { |
| 110 | word = raw5; |
| 111 | bit -= 192; |
| 112 | } else if (bit < 128) { |
| 113 | word = raw4; |
| 114 | bit -= 256; |
| 115 | } else if (bit < 128) { |
| 116 | word = raw3; |
| 117 | bit -= 320; |
| 118 | } else if (bit < 128) { |
| 119 | word = raw2; |
| 120 | bit -= 384; |
| 121 | } else { |
| 122 | word = raw1; // ports -512 |
| 123 | bit -= 448; |
| 124 | } |
| 125 | return (word & ((long)1 << bit)) != 0; |
| 126 | } |
| 127 | |
| 128 | public void write64Bytes(ChannelBuffer cb) { |
| 129 | cb.writeLong(raw1); |
| 130 | cb.writeLong(raw2); |
| 131 | cb.writeLong(raw3); |
| 132 | cb.writeLong(raw4); |
| 133 | cb.writeLong(raw5); |
| 134 | cb.writeLong(raw6); |
| 135 | cb.writeLong(raw7); |
| 136 | cb.writeLong(raw8); |
| 137 | } |
| 138 | |
| 139 | public static OFBitMask512 read64Bytes(ChannelBuffer cb) { |
| 140 | long raw1 = cb.readLong(); |
| 141 | long raw2 = cb.readLong(); |
| 142 | long raw3 = cb.readLong(); |
| 143 | long raw4 = cb.readLong(); |
| 144 | long raw5 = cb.readLong(); |
| 145 | long raw6 = cb.readLong(); |
| 146 | long raw7 = cb.readLong(); |
| 147 | long raw8 = cb.readLong(); |
| 148 | return of(raw1, raw2, raw3, raw4, raw5, raw6, raw7, raw8); |
| 149 | } |
| 150 | |
| 151 | public boolean isOn(int bit) { |
| 152 | return isBitOn(raw1, raw2, raw3, raw4, raw5, raw6, raw7, raw8, bit); |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public String toString() { |
| 157 | return (String.format("%64s", Long.toBinaryString(raw8)) |
| 158 | + String.format("%64s", Long.toBinaryString(raw7)) |
| 159 | + String.format("%64s", Long.toBinaryString(raw6)) |
| 160 | + String.format("%64s", Long.toBinaryString(raw5)) |
| 161 | + String.format("%64s", Long.toBinaryString(raw4)) |
| 162 | + String.format("%64s", Long.toBinaryString(raw3)) |
| 163 | + String.format("%64s", Long.toBinaryString(raw2)) |
| 164 | + String.format("%64s", Long.toBinaryString(raw1))).replaceAll(" ", "0"); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public int compareTo(OFBitMask512 o) { |
| 169 | long c = this.raw1 - o.raw1; |
| 170 | if (c != 0) |
| 171 | return Long.signum(c); |
| 172 | c = this.raw2 - o.raw2; |
| 173 | if (c != 0) |
| 174 | return Long.signum(c); |
| 175 | c = this.raw3 - o.raw3; |
| 176 | if (c != 0) |
| 177 | return Long.signum(c); |
| 178 | c = this.raw4 - o.raw4; |
| 179 | if (c != 0) |
| 180 | return Long.signum(c); |
| 181 | c = this.raw5 - o.raw5; |
| 182 | if (c != 0) |
| 183 | return Long.signum(c); |
| 184 | c = this.raw6 - o.raw6; |
| 185 | if (c != 0) |
| 186 | return Long.signum(c); |
| 187 | c = this.raw7 - o.raw7; |
| 188 | if (c != 0) |
| 189 | return Long.signum(c); |
| 190 | return Long.signum(this.raw8 - o.raw8); |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public void putTo(PrimitiveSink sink) { |
| 195 | sink.putLong(raw1); |
| 196 | sink.putLong(raw2); |
| 197 | sink.putLong(raw3); |
| 198 | sink.putLong(raw4); |
| 199 | sink.putLong(raw5); |
| 200 | sink.putLong(raw6); |
| 201 | sink.putLong(raw7); |
| 202 | sink.putLong(raw8); |
| 203 | } |
| 204 | |
| 205 | } |