serverscanning/capnproto-java-rpc
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move WirePointer.get() to SegmentReader

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This commit is contained in:
David Renshaw 2014-10-26 18:22:48 -04:00
parent 29a51b067a
commit ec024a2597
3 changed files with 23 additions and 21 deletions
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4
runtime/src/main/java/org/capnproto/SegmentReader.java
View file

@ -34,4 +34,8 @@ public class SegmentReader {
}
public static final SegmentReader EMPTY = new SegmentReader(ByteBuffer.allocate(8), null);
public final long get(int index) {
return buffer.getLong(index * Constants.BYTES_PER_WORD);
}
}

36
runtime/src/main/java/org/capnproto/WireHelpers.java
View file

@ -110,7 +110,7 @@ final class WireHelpers {
SegmentBuilder resultSegment = segment.getArena().getSegment(FarPointer.getSegmentId(ref));
int padOffset = FarPointer.positionInSegment(ref);
long pad = WirePointer.get(resultSegment.buffer, padOffset);
long pad = resultSegment.get(padOffset);
if (! FarPointer.isDoubleFar(ref)) {
return new FollowBuilderFarsResult(WirePointer.target(padOffset, pad), pad, resultSegment);
}
@ -140,7 +140,7 @@ final class WireHelpers {
SegmentReader resultSegment = segment.arena.tryGetSegment(FarPointer.getSegmentId(ref));
int padOffset = FarPointer.positionInSegment(ref);
long pad = WirePointer.get(resultSegment.buffer, padOffset);
long pad = resultSegment.get(padOffset);
int padWords = FarPointer.isDoubleFar(ref) ? 2 : 1;
// TODO read limiting
@ -187,7 +187,7 @@ final class WireHelpers {
StructSize size,
SegmentReader defaultSegment,
int defaultOffset) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
int target = WirePointer.target(refOffset, ref);
if (WirePointer.isNull(ref)) {
if (defaultSegment == null) {
@ -264,7 +264,7 @@ final class WireHelpers {
int defaultOffset) {
assert elementSize != ElementSize.INLINE_COMPOSITE : "Use getStructList{Element,Field} for structs";
long origRef = WirePointer.get(origSegment.buffer, origRefOffset);
long origRef = origSegment.get(origRefOffset);
int origRefTarget = WirePointer.target(origRefOffset, origRef);
if (WirePointer.isNull(origRef)) {
@ -320,7 +320,7 @@ final class WireHelpers {
StructSize elementSize,
SegmentReader defaultSegment,
int defaultOffset) {
long origRef = WirePointer.get(origSegment.buffer, origRefOffset);
long origRef = origSegment.get(origRefOffset);
int origRefTarget = WirePointer.target(origRefOffset, origRef);
if (WirePointer.isNull(origRef)) {
@ -337,7 +337,9 @@ final class WireHelpers {
byte oldSize = ListPointer.elementSize(resolved.ref);
if (oldSize == ElementSize.INLINE_COMPOSITE) {
// ...
//# Existing list is INLINE_COMPOSITE, but we need to verify that the sizes match.
long oldTag = resolved.segment.get(resolved.ptr);
} else {
// ...
}
@ -380,7 +382,7 @@ final class WireHelpers {
ByteBuffer defaultBuffer,
int defaultOffset,
int defaultSize) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultBuffer == null) {
@ -444,7 +446,7 @@ final class WireHelpers {
ByteBuffer defaultBuffer,
int defaultOffset,
int defaultSize) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultBuffer == null) {
@ -481,14 +483,14 @@ final class WireHelpers {
SegmentReader defaultSegment,
int defaultOffset,
int nestingLimit) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultSegment == null) {
return factory.constructReader(SegmentReader.EMPTY, 0, 0, 0, (short) 0, 0x7fffffff);
} else {
segment = defaultSegment;
refOffset = defaultOffset;
ref = WirePointer.get(segment.buffer, refOffset);
ref = segment.get(refOffset);
}
}
@ -620,7 +622,7 @@ final class WireHelpers {
// readStructPointer(), etc. because they do type checking whereas here we want to accept any
// valid pointer.
long srcRef = WirePointer.get(srcSegment.buffer, srcOffset);
long srcRef = srcSegment.get(srcOffset);
if (WirePointer.isNull(srcRef)) {
dstSegment.buffer.putLong(dstOffset * 8, 0L);
@ -650,7 +652,7 @@ final class WireHelpers {
}
if (elementSize == ElementSize.INLINE_COMPOSITE) {
int wordCount = ListPointer.inlineCompositeWordCount(resolved.ref);
long tag = WirePointer.get(resolved.segment.buffer, resolved.ptr);
long tag = resolved.segment.get(resolved.ptr);
int ptr = resolved.ptr + 1;
resolved.segment.arena.checkReadLimit(wordCount + 1);
@ -707,7 +709,7 @@ final class WireHelpers {
byte expectedElementSize,
int nestingLimit) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultSegment == null) {
@ -715,7 +717,7 @@ final class WireHelpers {
} else {
segment = defaultSegment;
refOffset = defaultOffset;
ref = WirePointer.get(segment.buffer, refOffset);
ref = segment.get(refOffset);
}
}
@ -731,7 +733,7 @@ final class WireHelpers {
case ElementSize.INLINE_COMPOSITE : {
int wordCount = ListPointer.inlineCompositeWordCount(resolved.ref);
long tag = WirePointer.get(resolved.segment.buffer, resolved.ptr);
long tag = resolved.segment.get(resolved.ptr);
int ptr = resolved.ptr + 1;
resolved.segment.arena.checkReadLimit(wordCount + 1);
@ -799,7 +801,7 @@ final class WireHelpers {
ByteBuffer defaultBuffer,
int defaultOffset,
int defaultSize) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultBuffer == null) {
@ -838,7 +840,7 @@ final class WireHelpers {
ByteBuffer defaultBuffer,
int defaultOffset,
int defaultSize) {
long ref = WirePointer.get(segment.buffer, refOffset);
long ref = segment.get(refOffset);
if (WirePointer.isNull(ref)) {
if (defaultBuffer == null) {

4
runtime/src/main/java/org/capnproto/WirePointer.java
View file

@ -81,8 +81,4 @@ final class WirePointer {
public static int upper32Bits(long wirePointer) {
return (int)(wirePointer >>> 32);
}
public static long get(ByteBuffer buffer, int offset) {
return buffer.getLong(offset * 8);
}
}