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core: only try to resolve InternalCensusStatsAccessor once

This commit is contained in:
Stephane Landelle 2023-09-04 11:45:37 +02:00 committed by Terry Wilson
parent 22863dda38
commit cb2b68e39d
1 changed files with 41 additions and 27 deletions
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68
core/src/main/java/io/grpc/internal/ManagedChannelImplBuilder.java
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@ -104,6 +104,30 @@ public final class ManagedChannelImplBuilder
private static final long DEFAULT_RETRY_BUFFER_SIZE_IN_BYTES = 1L << 24; // 16M
private static final long DEFAULT_PER_RPC_BUFFER_LIMIT_IN_BYTES = 1L << 20; // 1M
private static final Method GET_CLIENT_INTERCEPTOR_METHOD;
static {
Method getClientInterceptorMethod = null;
try {
Class<?> censusStatsAccessor =
Class.forName("io.grpc.census.InternalCensusStatsAccessor");
getClientInterceptorMethod =
censusStatsAccessor.getDeclaredMethod(
"getClientInterceptor",
boolean.class,
boolean.class,
boolean.class,
boolean.class);
} catch (ClassNotFoundException e) {
// Replace these separate catch statements with multicatch when Android min-API >= 19
log.log(Level.FINE, "Unable to apply census stats", e);
} catch (NoSuchMethodException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
}
GET_CLIENT_INTERCEPTOR_METHOD = getClientInterceptorMethod;
}
ObjectPool<? extends Executor> executorPool = DEFAULT_EXECUTOR_POOL;
ObjectPool<? extends Executor> offloadExecutorPool = DEFAULT_EXECUTOR_POOL;
@ -647,34 +671,24 @@ public final class ManagedChannelImplBuilder
}
if (!isGlobalInterceptorsSet && statsEnabled) {
ClientInterceptor statsInterceptor = null;
try {
Class<?> censusStatsAccessor =
Class.forName("io.grpc.census.InternalCensusStatsAccessor");
Method getClientInterceptorMethod =
censusStatsAccessor.getDeclaredMethod(
"getClientInterceptor",
boolean.class,
boolean.class,
boolean.class,
boolean.class);
statsInterceptor =
(ClientInterceptor) getClientInterceptorMethod
.invoke(
null,
recordStartedRpcs,
recordFinishedRpcs,
recordRealTimeMetrics,
recordRetryMetrics);
} catch (ClassNotFoundException e) {
// Replace these separate catch statements with multicatch when Android min-API >= 19
log.log(Level.FINE, "Unable to apply census stats", e);
} catch (NoSuchMethodException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
} catch (IllegalAccessException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
} catch (InvocationTargetException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
if (GET_CLIENT_INTERCEPTOR_METHOD != null) {
try {
statsInterceptor =
(ClientInterceptor) GET_CLIENT_INTERCEPTOR_METHOD
.invoke(
null,
recordStartedRpcs,
recordFinishedRpcs,
recordRealTimeMetrics,
recordRetryMetrics);
} catch (IllegalAccessException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
} catch (InvocationTargetException e) {
log.log(Level.FINE, "Unable to apply census stats", e);
}
}
if (statsInterceptor != null) {
// First interceptor runs last (see ClientInterceptors.intercept()), so that no
// other interceptor can override the tracer factory we set in CallOptions.