serverscanning/capnproto-java-rpc
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tidy up branding and implement QueuedClient,getBrand() correctly

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This commit is contained in:
Vaci Koblizek 2020-11-30 18:52:28 +00:00
parent c04bdb8088
commit 2b5bf0eb21
3 changed files with 20 additions and 20 deletions
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5
runtime-rpc/src/main/java/org/capnproto/RpcState.java
View file

@ -1958,15 +1958,12 @@ final class RpcState<VatId> {
resolutionType = ResolutionType.REMOTE;
}
}
else {
if (replacementBrand == NULL_CAPABILITY_BRAND
|| replacementBrand == BROKEN_CAPABILITY_BRAND) {
else if (replacement.isNull() || replacement.isError()) {
resolutionType = ResolutionType.BROKEN;
}
else {
resolutionType = ResolutionType.REFLECTED;
}
}
assert isResolved();

14
runtime/src/main/java/org/capnproto/Capability.java
View file

@ -7,6 +7,9 @@ import java.util.concurrent.CompletionStage;
public final class Capability {
static final Object NULL_CAPABILITY_BRAND = new Object();
static final Object BROKEN_CAPABILITY_BRAND = new Object();
static class BuilderContext {
CapTableBuilder capTable;
}
@ -645,15 +648,15 @@ public final class Capability {
}
public static ClientHook newBrokenCap(String reason) {
return newBrokenClient(reason, false, ClientHook.BROKEN_CAPABILITY_BRAND);
return newBrokenClient(reason, false, BROKEN_CAPABILITY_BRAND);
}
public static ClientHook newBrokenCap(Throwable exc) {
return newBrokenClient(exc, false, ClientHook.BROKEN_CAPABILITY_BRAND);
return newBrokenClient(exc, false, BROKEN_CAPABILITY_BRAND);
}
public static ClientHook newNullCap() {
return newBrokenClient(RpcException.failed("Called null capability"), true, ClientHook.NULL_CAPABILITY_BRAND);
return newBrokenClient(RpcException.failed("Called null capability"), true, NULL_CAPABILITY_BRAND);
}
private static ClientHook newBrokenClient(String reason, boolean resolved, Object brand) {
@ -800,6 +803,11 @@ public final class Capability {
public CompletableFuture<ClientHook> whenMoreResolved() {
return this.promiseForClientResolution.copy();
}
@Override
public Object getBrand() {
return null;
}
}
public static final class CapabilityServerSet<T extends Capability.Server> {

11
runtime/src/main/java/org/capnproto/ClientHook.java
View file

@ -5,9 +5,6 @@ import java.util.concurrent.CompletableFuture;
public interface ClientHook {
Object NULL_CAPABILITY_BRAND = new Object();
Object BROKEN_CAPABILITY_BRAND = new Object();
/**
* Start a new call, allowing the client to allocate request/response objects as it sees fit.
* This version is used when calls are made from application code in the local process.
@ -56,9 +53,7 @@ public interface ClientHook {
discover when a capability it needs to marshal is one that it created in the first place, and
therefore it can transfer the capability without proxying.
*/
default Object getBrand() {
return NULL_CAPABILITY_BRAND;
}
Object getBrand();
/**
* Repeatedly calls whenMoreResolved() until it returns nullptr.
@ -75,14 +70,14 @@ public interface ClientHook {
* reading a null pointer out of a Cap'n Proto message.
*/
default boolean isNull() {
return getBrand() == NULL_CAPABILITY_BRAND;
return getBrand() == Capability.NULL_CAPABILITY_BRAND;
}
/**
* Returns true if the capability was created by newBrokenCap().
*/
default boolean isError() {
return getBrand() == BROKEN_CAPABILITY_BRAND;
return getBrand() == Capability.BROKEN_CAPABILITY_BRAND;
}
/**