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-rw-r--r--src/core/ext/census/gen/README.md6
-rw-r--r--src/core/ext/census/gen/census.pb.c179
-rw-r--r--src/core/ext/census/gen/census.pb.h294
-rw-r--r--src/core/ext/census/grpc_filter.c8
-rw-r--r--src/core/ext/client_config/channel_connectivity.c2
-rw-r--r--src/core/ext/client_config/client_channel.c14
-rw-r--r--src/core/ext/client_config/subchannel.c6
-rw-r--r--src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h4
-rw-r--r--src/core/ext/lb_policy/pick_first/pick_first.c10
-rw-r--r--src/core/ext/lb_policy/round_robin/round_robin.c6
-rw-r--r--src/core/ext/load_reporting/load_reporting.c132
-rw-r--r--src/core/ext/load_reporting/load_reporting.h75
-rw-r--r--src/core/ext/load_reporting/load_reporting_filter.c151
-rw-r--r--src/core/ext/load_reporting/load_reporting_filter.h41
-rw-r--r--src/core/ext/transport/chttp2/transport/chttp2_transport.c164
15 files changed, 988 insertions, 104 deletions
diff --git a/src/core/ext/census/gen/README.md b/src/core/ext/census/gen/README.md
new file mode 100644
index 0000000000..72bef6542d
--- /dev/null
+++ b/src/core/ext/census/gen/README.md
@@ -0,0 +1,6 @@
+Files generated for use by Census stats and trace recording subsystem.
+
+#Files
+* census.pb.{h,c} - Generated from src/core/ext/census/census.proto, using the
+ script `tools/codegen/core/gen_nano_proto.sh src/proto/census/census.proto
+ $PWD/src/core/ext/census/gen src/core/ext/census/gen`
diff --git a/src/core/ext/census/gen/census.pb.c b/src/core/ext/census/gen/census.pb.c
new file mode 100644
index 0000000000..d614636c90
--- /dev/null
+++ b/src/core/ext/census/gen/census.pb.c
@@ -0,0 +1,179 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+/* Automatically generated nanopb constant definitions */
+/* Generated by nanopb-0.3.5-dev */
+
+#include "src/core/ext/census/gen/census.pb.h"
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+
+
+const pb_field_t google_census_Duration_fields[3] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, google_census_Duration, seconds, seconds, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, google_census_Duration, nanos, seconds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Timestamp_fields[3] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, google_census_Timestamp, seconds, seconds, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, google_census_Timestamp, nanos, seconds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Metric_fields[5] = {
+ PB_FIELD( 1, STRING , OPTIONAL, CALLBACK, FIRST, google_census_Metric, name, name, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, CALLBACK, OTHER, google_census_Metric, description, name, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_Metric, unit, description, &google_census_Metric_MeasurementUnit_fields),
+ PB_FIELD( 4, INT32 , OPTIONAL, STATIC , OTHER, google_census_Metric, id, unit, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Metric_BasicUnit_fields[2] = {
+ PB_FIELD( 1, UENUM , OPTIONAL, STATIC , FIRST, google_census_Metric_BasicUnit, type, type, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Metric_MeasurementUnit_fields[4] = {
+ PB_FIELD( 1, INT32 , OPTIONAL, STATIC , FIRST, google_census_Metric_MeasurementUnit, prefix, prefix, 0),
+ PB_FIELD( 2, MESSAGE , REPEATED, CALLBACK, OTHER, google_census_Metric_MeasurementUnit, numerator, prefix, &google_census_Metric_BasicUnit_fields),
+ PB_FIELD( 3, MESSAGE , REPEATED, CALLBACK, OTHER, google_census_Metric_MeasurementUnit, denominator, numerator, &google_census_Metric_BasicUnit_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_AggregationDescriptor_fields[3] = {
+ PB_ONEOF_FIELD(options, 1, MESSAGE , ONEOF, STATIC , FIRST, google_census_AggregationDescriptor, bucket_boundaries, bucket_boundaries, &google_census_AggregationDescriptor_BucketBoundaries_fields),
+ PB_ONEOF_FIELD(options, 2, MESSAGE , ONEOF, STATIC , FIRST, google_census_AggregationDescriptor, interval_boundaries, interval_boundaries, &google_census_AggregationDescriptor_IntervalBoundaries_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_AggregationDescriptor_BucketBoundaries_fields[2] = {
+ PB_FIELD( 1, DOUBLE , REPEATED, CALLBACK, FIRST, google_census_AggregationDescriptor_BucketBoundaries, bounds, bounds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_AggregationDescriptor_IntervalBoundaries_fields[2] = {
+ PB_FIELD( 1, DOUBLE , REPEATED, CALLBACK, FIRST, google_census_AggregationDescriptor_IntervalBoundaries, window_size, window_size, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Distribution_fields[5] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, google_census_Distribution, count, count, 0),
+ PB_FIELD( 2, DOUBLE , OPTIONAL, STATIC , OTHER, google_census_Distribution, mean, count, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_Distribution, range, mean, &google_census_Distribution_Range_fields),
+ PB_FIELD( 4, INT64 , REPEATED, CALLBACK, OTHER, google_census_Distribution, bucket_count, range, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Distribution_Range_fields[3] = {
+ PB_FIELD( 1, DOUBLE , OPTIONAL, STATIC , FIRST, google_census_Distribution_Range, min, min, 0),
+ PB_FIELD( 2, DOUBLE , OPTIONAL, STATIC , OTHER, google_census_Distribution_Range, max, min, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_IntervalStats_fields[2] = {
+ PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, google_census_IntervalStats, window, window, &google_census_IntervalStats_Window_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_IntervalStats_Window_fields[4] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, google_census_IntervalStats_Window, window_size, window_size, &google_census_Duration_fields),
+ PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, google_census_IntervalStats_Window, count, window_size, 0),
+ PB_FIELD( 3, DOUBLE , OPTIONAL, STATIC , OTHER, google_census_IntervalStats_Window, mean, count, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Tag_fields[3] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, google_census_Tag, key, key, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, google_census_Tag, value, key, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_View_fields[6] = {
+ PB_FIELD( 1, STRING , OPTIONAL, CALLBACK, FIRST, google_census_View, name, name, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, CALLBACK, OTHER, google_census_View, description, name, 0),
+ PB_FIELD( 3, INT32 , OPTIONAL, STATIC , OTHER, google_census_View, metric_id, description, 0),
+ PB_FIELD( 4, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_View, aggregation, metric_id, &google_census_AggregationDescriptor_fields),
+ PB_FIELD( 5, STRING , REPEATED, CALLBACK, OTHER, google_census_View, tag_key, aggregation, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_Aggregation_fields[6] = {
+ PB_FIELD( 1, STRING , OPTIONAL, CALLBACK, FIRST, google_census_Aggregation, name, name, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, CALLBACK, OTHER, google_census_Aggregation, description, name, 0),
+ PB_ONEOF_FIELD(data, 3, MESSAGE , ONEOF, STATIC , OTHER, google_census_Aggregation, distribution, description, &google_census_Distribution_fields),
+ PB_ONEOF_FIELD(data, 4, MESSAGE , ONEOF, STATIC , OTHER, google_census_Aggregation, interval_stats, description, &google_census_IntervalStats_fields),
+ PB_FIELD( 5, MESSAGE , REPEATED, CALLBACK, OTHER, google_census_Aggregation, tag, data.interval_stats, &google_census_Tag_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t google_census_ViewAggregations_fields[4] = {
+ PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, google_census_ViewAggregations, aggregation, aggregation, &google_census_Aggregation_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_ViewAggregations, start, aggregation, &google_census_Timestamp_fields),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_ViewAggregations, end, start, &google_census_Timestamp_fields),
+ PB_LAST_FIELD
+};
+
+
+/* Check that field information fits in pb_field_t */
+#if !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_32BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in 8 or 16 bit
+ * field descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(google_census_Metric, unit) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Metric, unit) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Distribution, range) < 65536 && pb_membersize(google_census_IntervalStats, window) < 65536 && pb_membersize(google_census_IntervalStats_Window, window_size) < 65536 && pb_membersize(google_census_View, aggregation) < 65536 && pb_membersize(google_census_Aggregation, data.distribution) < 65536 && pb_membersize(google_census_Aggregation, data.interval_stats) < 65536 && pb_membersize(google_census_Metric, unit) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Metric, unit) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 65536 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Distribution, range) < 65536 && pb_membersize(google_census_IntervalStats, window) < 65536 && pb_membersize(google_census_IntervalStats_Window, window_size) < 65536 && pb_membersize(google_census_View, aggregation) < 65536 && pb_membersize(google_census_Aggregation, data.distribution) < 65536 && pb_membersize(google_census_Aggregation, data.interval_stats) < 65536 && pb_membersize(google_census_Aggregation, tag) < 65536 && pb_membersize(google_census_ViewAggregations, aggregation) < 65536 && pb_membersize(google_census_ViewAggregations, start) < 65536 && pb_membersize(google_census_ViewAggregations, end) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_google_census_Duration_google_census_Timestamp_google_census_Metric_google_census_Metric_BasicUnit_google_census_Metric_MeasurementUnit_google_census_AggregationDescriptor_google_census_AggregationDescriptor_BucketBoundaries_google_census_AggregationDescriptor_IntervalBoundaries_google_census_Distribution_google_census_Distribution_Range_google_census_IntervalStats_google_census_IntervalStats_Window_google_census_Tag_google_census_View_google_census_Aggregation_google_census_ViewAggregations)
+#endif
+
+#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in the default
+ * 8 bit descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(google_census_Metric, unit) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Metric, unit) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Distribution, range) < 256 && pb_membersize(google_census_IntervalStats, window) < 256 && pb_membersize(google_census_IntervalStats_Window, window_size) < 256 && pb_membersize(google_census_View, aggregation) < 256 && pb_membersize(google_census_Aggregation, data.distribution) < 256 && pb_membersize(google_census_Aggregation, data.interval_stats) < 256 && pb_membersize(google_census_Metric, unit) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Metric, unit) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, numerator) < 256 && pb_membersize(google_census_Metric_MeasurementUnit, denominator) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Distribution, range) < 256 && pb_membersize(google_census_IntervalStats, window) < 256 && pb_membersize(google_census_IntervalStats_Window, window_size) < 256 && pb_membersize(google_census_View, aggregation) < 256 && pb_membersize(google_census_Aggregation, data.distribution) < 256 && pb_membersize(google_census_Aggregation, data.interval_stats) < 256 && pb_membersize(google_census_Aggregation, tag) < 256 && pb_membersize(google_census_ViewAggregations, aggregation) < 256 && pb_membersize(google_census_ViewAggregations, start) < 256 && pb_membersize(google_census_ViewAggregations, end) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_google_census_Duration_google_census_Timestamp_google_census_Metric_google_census_Metric_BasicUnit_google_census_Metric_MeasurementUnit_google_census_AggregationDescriptor_google_census_AggregationDescriptor_BucketBoundaries_google_census_AggregationDescriptor_IntervalBoundaries_google_census_Distribution_google_census_Distribution_Range_google_census_IntervalStats_google_census_IntervalStats_Window_google_census_Tag_google_census_View_google_census_Aggregation_google_census_ViewAggregations)
+#endif
+
+
+/* On some platforms (such as AVR), double is really float.
+ * These are not directly supported by nanopb, but see example_avr_double.
+ * To get rid of this error, remove any double fields from your .proto.
+ */
+PB_STATIC_ASSERT(sizeof(double) == 8, DOUBLE_MUST_BE_8_BYTES)
+
diff --git a/src/core/ext/census/gen/census.pb.h b/src/core/ext/census/gen/census.pb.h
new file mode 100644
index 0000000000..d040fe29e7
--- /dev/null
+++ b/src/core/ext/census/gen/census.pb.h
@@ -0,0 +1,294 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.3.5-dev */
+
+#ifndef GRPC_CORE_EXT_CENSUS_GEN_CENSUS_PB_H
+#define GRPC_CORE_EXT_CENSUS_GEN_CENSUS_PB_H
+#include "third_party/nanopb/pb.h"
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Enum definitions */
+typedef enum _google_census_Metric_BasicUnit_Measure {
+ google_census_Metric_BasicUnit_Measure_UNKNOWN = 0,
+ google_census_Metric_BasicUnit_Measure_BITS = 1,
+ google_census_Metric_BasicUnit_Measure_BYTES = 2,
+ google_census_Metric_BasicUnit_Measure_SECS = 3,
+ google_census_Metric_BasicUnit_Measure_CORES = 4,
+ google_census_Metric_BasicUnit_Measure_MAX_UNITS = 5
+} google_census_Metric_BasicUnit_Measure;
+
+/* Struct definitions */
+typedef struct _google_census_AggregationDescriptor_BucketBoundaries {
+ pb_callback_t bounds;
+} google_census_AggregationDescriptor_BucketBoundaries;
+
+typedef struct _google_census_AggregationDescriptor_IntervalBoundaries {
+ pb_callback_t window_size;
+} google_census_AggregationDescriptor_IntervalBoundaries;
+
+typedef struct _google_census_IntervalStats {
+ pb_callback_t window;
+} google_census_IntervalStats;
+
+typedef struct _google_census_AggregationDescriptor {
+ pb_size_t which_options;
+ union {
+ google_census_AggregationDescriptor_BucketBoundaries bucket_boundaries;
+ google_census_AggregationDescriptor_IntervalBoundaries interval_boundaries;
+ } options;
+} google_census_AggregationDescriptor;
+
+typedef struct _google_census_Distribution_Range {
+ bool has_min;
+ double min;
+ bool has_max;
+ double max;
+} google_census_Distribution_Range;
+
+typedef struct _google_census_Duration {
+ bool has_seconds;
+ int64_t seconds;
+ bool has_nanos;
+ int32_t nanos;
+} google_census_Duration;
+
+typedef struct _google_census_Metric_BasicUnit {
+ bool has_type;
+ google_census_Metric_BasicUnit_Measure type;
+} google_census_Metric_BasicUnit;
+
+typedef struct _google_census_Metric_MeasurementUnit {
+ bool has_prefix;
+ int32_t prefix;
+ pb_callback_t numerator;
+ pb_callback_t denominator;
+} google_census_Metric_MeasurementUnit;
+
+typedef struct _google_census_Tag {
+ bool has_key;
+ char key[255];
+ bool has_value;
+ char value[255];
+} google_census_Tag;
+
+typedef struct _google_census_Timestamp {
+ bool has_seconds;
+ int64_t seconds;
+ bool has_nanos;
+ int32_t nanos;
+} google_census_Timestamp;
+
+typedef struct _google_census_Distribution {
+ bool has_count;
+ int64_t count;
+ bool has_mean;
+ double mean;
+ bool has_range;
+ google_census_Distribution_Range range;
+ pb_callback_t bucket_count;
+} google_census_Distribution;
+
+typedef struct _google_census_IntervalStats_Window {
+ bool has_window_size;
+ google_census_Duration window_size;
+ bool has_count;
+ int64_t count;
+ bool has_mean;
+ double mean;
+} google_census_IntervalStats_Window;
+
+typedef struct _google_census_Metric {
+ pb_callback_t name;
+ pb_callback_t description;
+ bool has_unit;
+ google_census_Metric_MeasurementUnit unit;
+ bool has_id;
+ int32_t id;
+} google_census_Metric;
+
+typedef struct _google_census_View {
+ pb_callback_t name;
+ pb_callback_t description;
+ bool has_metric_id;
+ int32_t metric_id;
+ bool has_aggregation;
+ google_census_AggregationDescriptor aggregation;
+ pb_callback_t tag_key;
+} google_census_View;
+
+typedef struct _google_census_ViewAggregations {
+ pb_callback_t aggregation;
+ bool has_start;
+ google_census_Timestamp start;
+ bool has_end;
+ google_census_Timestamp end;
+} google_census_ViewAggregations;
+
+typedef struct _google_census_Aggregation {
+ pb_callback_t name;
+ pb_callback_t description;
+ pb_size_t which_data;
+ union {
+ google_census_Distribution distribution;
+ google_census_IntervalStats interval_stats;
+ } data;
+ pb_callback_t tag;
+} google_census_Aggregation;
+
+/* Default values for struct fields */
+
+/* Initializer values for message structs */
+#define google_census_Duration_init_default {false, 0, false, 0}
+#define google_census_Timestamp_init_default {false, 0, false, 0}
+#define google_census_Metric_init_default {{{NULL}, NULL}, {{NULL}, NULL}, false, google_census_Metric_MeasurementUnit_init_default, false, 0}
+#define google_census_Metric_BasicUnit_init_default {false, (google_census_Metric_BasicUnit_Measure)0}
+#define google_census_Metric_MeasurementUnit_init_default {false, 0, {{NULL}, NULL}, {{NULL}, NULL}}
+#define google_census_AggregationDescriptor_init_default {0, {google_census_AggregationDescriptor_BucketBoundaries_init_default}}
+#define google_census_AggregationDescriptor_BucketBoundaries_init_default {{{NULL}, NULL}}
+#define google_census_AggregationDescriptor_IntervalBoundaries_init_default {{{NULL}, NULL}}
+#define google_census_Distribution_init_default {false, 0, false, 0, false, google_census_Distribution_Range_init_default, {{NULL}, NULL}}
+#define google_census_Distribution_Range_init_default {false, 0, false, 0}
+#define google_census_IntervalStats_init_default {{{NULL}, NULL}}
+#define google_census_IntervalStats_Window_init_default {false, google_census_Duration_init_default, false, 0, false, 0}
+#define google_census_Tag_init_default {false, "", false, ""}
+#define google_census_View_init_default {{{NULL}, NULL}, {{NULL}, NULL}, false, 0, false, google_census_AggregationDescriptor_init_default, {{NULL}, NULL}}
+#define google_census_Aggregation_init_default {{{NULL}, NULL}, {{NULL}, NULL}, 0, {google_census_Distribution_init_default}, {{NULL}, NULL}}
+#define google_census_ViewAggregations_init_default {{{NULL}, NULL}, false, google_census_Timestamp_init_default, false, google_census_Timestamp_init_default}
+#define google_census_Duration_init_zero {false, 0, false, 0}
+#define google_census_Timestamp_init_zero {false, 0, false, 0}
+#define google_census_Metric_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, false, google_census_Metric_MeasurementUnit_init_zero, false, 0}
+#define google_census_Metric_BasicUnit_init_zero {false, (google_census_Metric_BasicUnit_Measure)0}
+#define google_census_Metric_MeasurementUnit_init_zero {false, 0, {{NULL}, NULL}, {{NULL}, NULL}}
+#define google_census_AggregationDescriptor_init_zero {0, {google_census_AggregationDescriptor_BucketBoundaries_init_zero}}
+#define google_census_AggregationDescriptor_BucketBoundaries_init_zero {{{NULL}, NULL}}
+#define google_census_AggregationDescriptor_IntervalBoundaries_init_zero {{{NULL}, NULL}}
+#define google_census_Distribution_init_zero {false, 0, false, 0, false, google_census_Distribution_Range_init_zero, {{NULL}, NULL}}
+#define google_census_Distribution_Range_init_zero {false, 0, false, 0}
+#define google_census_IntervalStats_init_zero {{{NULL}, NULL}}
+#define google_census_IntervalStats_Window_init_zero {false, google_census_Duration_init_zero, false, 0, false, 0}
+#define google_census_Tag_init_zero {false, "", false, ""}
+#define google_census_View_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, false, 0, false, google_census_AggregationDescriptor_init_zero, {{NULL}, NULL}}
+#define google_census_Aggregation_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, 0, {google_census_Distribution_init_zero}, {{NULL}, NULL}}
+#define google_census_ViewAggregations_init_zero {{{NULL}, NULL}, false, google_census_Timestamp_init_zero, false, google_census_Timestamp_init_zero}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define google_census_AggregationDescriptor_BucketBoundaries_bounds_tag 1
+#define google_census_AggregationDescriptor_IntervalBoundaries_window_size_tag 1
+#define google_census_IntervalStats_window_tag 1
+#define google_census_AggregationDescriptor_bucket_boundaries_tag 1
+
+#define google_census_AggregationDescriptor_interval_boundaries_tag 2
+#define google_census_Distribution_Range_min_tag 1
+#define google_census_Distribution_Range_max_tag 2
+#define google_census_Duration_seconds_tag 1
+#define google_census_Duration_nanos_tag 2
+#define google_census_Metric_BasicUnit_type_tag 1
+#define google_census_Metric_MeasurementUnit_prefix_tag 1
+#define google_census_Metric_MeasurementUnit_numerator_tag 2
+#define google_census_Metric_MeasurementUnit_denominator_tag 3
+#define google_census_Tag_key_tag 1
+#define google_census_Tag_value_tag 2
+#define google_census_Timestamp_seconds_tag 1
+#define google_census_Timestamp_nanos_tag 2
+#define google_census_Distribution_count_tag 1
+#define google_census_Distribution_mean_tag 2
+#define google_census_Distribution_range_tag 3
+#define google_census_Distribution_bucket_count_tag 4
+#define google_census_IntervalStats_Window_window_size_tag 1
+#define google_census_IntervalStats_Window_count_tag 2
+#define google_census_IntervalStats_Window_mean_tag 3
+#define google_census_Metric_name_tag 1
+#define google_census_Metric_description_tag 2
+#define google_census_Metric_unit_tag 3
+#define google_census_Metric_id_tag 4
+#define google_census_View_name_tag 1
+#define google_census_View_description_tag 2
+#define google_census_View_metric_id_tag 3
+#define google_census_View_aggregation_tag 4
+#define google_census_View_tag_key_tag 5
+#define google_census_ViewAggregations_aggregation_tag 1
+#define google_census_ViewAggregations_start_tag 2
+#define google_census_ViewAggregations_end_tag 3
+#define google_census_Aggregation_distribution_tag 3
+
+#define google_census_Aggregation_interval_stats_tag 4
+#define google_census_Aggregation_name_tag 1
+#define google_census_Aggregation_description_tag 2
+#define google_census_Aggregation_tag_tag 5
+
+/* Struct field encoding specification for nanopb */
+extern const pb_field_t google_census_Duration_fields[3];
+extern const pb_field_t google_census_Timestamp_fields[3];
+extern const pb_field_t google_census_Metric_fields[5];
+extern const pb_field_t google_census_Metric_BasicUnit_fields[2];
+extern const pb_field_t google_census_Metric_MeasurementUnit_fields[4];
+extern const pb_field_t google_census_AggregationDescriptor_fields[3];
+extern const pb_field_t google_census_AggregationDescriptor_BucketBoundaries_fields[2];
+extern const pb_field_t google_census_AggregationDescriptor_IntervalBoundaries_fields[2];
+extern const pb_field_t google_census_Distribution_fields[5];
+extern const pb_field_t google_census_Distribution_Range_fields[3];
+extern const pb_field_t google_census_IntervalStats_fields[2];
+extern const pb_field_t google_census_IntervalStats_Window_fields[4];
+extern const pb_field_t google_census_Tag_fields[3];
+extern const pb_field_t google_census_View_fields[6];
+extern const pb_field_t google_census_Aggregation_fields[6];
+extern const pb_field_t google_census_ViewAggregations_fields[4];
+
+/* Maximum encoded size of messages (where known) */
+#define google_census_Duration_size 22
+#define google_census_Timestamp_size 22
+#define google_census_Metric_BasicUnit_size 2
+#define google_census_Distribution_Range_size 18
+#define google_census_IntervalStats_Window_size 44
+#define google_census_Tag_size 516
+
+/* Message IDs (where set with "msgid" option) */
+#ifdef PB_MSGID
+
+#define CENSUS_MESSAGES \
+
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/ext/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c
index b750f12623..86ec2ae87a 100644
--- a/src/core/ext/census/grpc_filter.c
+++ b/src/core/ext/census/grpc_filter.c
@@ -134,7 +134,9 @@ static void client_init_call_elem(grpc_exec_ctx *exec_ctx,
}
static void client_destroy_call_elem(grpc_exec_ctx *exec_ctx,
- grpc_call_element *elem, void *ignored) {
+ grpc_call_element *elem,
+ const grpc_call_stats *stats,
+ void *ignored) {
call_data *d = elem->call_data;
GPR_ASSERT(d != NULL);
/* TODO(hongyu): record rpc client stats and census_rpc_end_op here */
@@ -152,7 +154,9 @@ static void server_init_call_elem(grpc_exec_ctx *exec_ctx,
}
static void server_destroy_call_elem(grpc_exec_ctx *exec_ctx,
- grpc_call_element *elem, void *ignored) {
+ grpc_call_element *elem,
+ const grpc_call_stats *stats,
+ void *ignored) {
call_data *d = elem->call_data;
GPR_ASSERT(d != NULL);
/* TODO(hongyu): record rpc server stats and census_tracing_end_op here */
diff --git a/src/core/ext/client_config/channel_connectivity.c b/src/core/ext/client_config/channel_connectivity.c
index 3ebc333608..cc60f2485a 100644
--- a/src/core/ext/client_config/channel_connectivity.c
+++ b/src/core/ext/client_config/channel_connectivity.c
@@ -62,7 +62,7 @@ grpc_connectivity_state grpc_channel_check_connectivity_state(
"not a (u)client channel, but '%s'",
client_channel_elem->filter->name);
grpc_exec_ctx_finish(&exec_ctx);
- return GRPC_CHANNEL_FATAL_FAILURE;
+ return GRPC_CHANNEL_SHUTDOWN;
}
typedef enum {
diff --git a/src/core/ext/client_config/client_channel.c b/src/core/ext/client_config/client_channel.c
index 835a8219e7..e297dfa0ef 100644
--- a/src/core/ext/client_config/client_channel.c
+++ b/src/core/ext/client_config/client_channel.c
@@ -119,7 +119,7 @@ static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx,
grpc_connectivity_state state,
const char *reason) {
if ((state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
- state == GRPC_CHANNEL_FATAL_FAILURE) &&
+ state == GRPC_CHANNEL_SHUTDOWN) &&
chand->lb_policy != NULL) {
/* cancel fail-fast picks */
grpc_lb_policy_cancel_picks(
@@ -136,8 +136,7 @@ static void on_lb_policy_state_changed_locked(
/* check if the notification is for a stale policy */
if (w->lb_policy != w->chand->lb_policy) return;
- if (publish_state == GRPC_CHANNEL_FATAL_FAILURE &&
- w->chand->resolver != NULL) {
+ if (publish_state == GRPC_CHANNEL_SHUTDOWN && w->chand->resolver != NULL) {
publish_state = GRPC_CHANNEL_TRANSIENT_FAILURE;
grpc_resolver_channel_saw_error(exec_ctx, w->chand->resolver);
GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel");
@@ -145,7 +144,7 @@ static void on_lb_policy_state_changed_locked(
}
set_channel_connectivity_state_locked(exec_ctx, w->chand, publish_state,
"lb_changed");
- if (w->state != GRPC_CHANNEL_FATAL_FAILURE) {
+ if (w->state != GRPC_CHANNEL_SHUTDOWN) {
watch_lb_policy(exec_ctx, w->chand, w->lb_policy, w->state);
}
}
@@ -237,7 +236,7 @@ static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
chand->resolver = NULL;
}
set_channel_connectivity_state_locked(
- exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
+ exec_ctx, chand, GRPC_CHANNEL_SHUTDOWN, "resolver_gone");
gpr_mu_unlock(&chand->mu_config);
}
@@ -292,8 +291,8 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
}
if (op->disconnect && chand->resolver != NULL) {
- set_channel_connectivity_state_locked(
- exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
+ set_channel_connectivity_state_locked(exec_ctx, chand,
+ GRPC_CHANNEL_SHUTDOWN, "disconnect");
grpc_resolver_shutdown(exec_ctx, chand->resolver);
GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
chand->resolver = NULL;
@@ -416,6 +415,7 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
/* Destructor for call_data */
static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+ const grpc_call_stats *stats,
void *and_free_memory) {
grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
gpr_free(and_free_memory);
diff --git a/src/core/ext/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c
index 01b13abae4..85183b0564 100644
--- a/src/core/ext/client_config/subchannel.c
+++ b/src/core/ext/client_config/subchannel.c
@@ -480,11 +480,11 @@ static void subchannel_on_child_state_changed(grpc_exec_ctx *exec_ctx, void *p,
if (iomgr_success) {
if (sw->connectivity_state == GRPC_CHANNEL_TRANSIENT_FAILURE) {
/* any errors on a subchannel ==> we're done, create a new one */
- sw->connectivity_state = GRPC_CHANNEL_FATAL_FAILURE;
+ sw->connectivity_state = GRPC_CHANNEL_SHUTDOWN;
}
grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
sw->connectivity_state, "reflect_child");
- if (sw->connectivity_state != GRPC_CHANNEL_FATAL_FAILURE) {
+ if (sw->connectivity_state != GRPC_CHANNEL_SHUTDOWN) {
grpc_connected_subchannel_notify_on_state_change(
exec_ctx, GET_CONNECTED_SUBCHANNEL(c, no_barrier), NULL,
&sw->connectivity_state, &sw->closure);
@@ -645,7 +645,7 @@ static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
grpc_subchannel_call *c = call;
GPR_TIMER_BEGIN("grpc_subchannel_call_unref.destroy", 0);
grpc_connected_subchannel *connection = c->connection;
- grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c), c);
+ grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c), NULL, c);
GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, connection, "subchannel_call");
GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
}
diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
index d5dc39ab94..46fe588f72 100644
--- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
+++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h
@@ -33,8 +33,8 @@
/* Automatically generated nanopb header */
/* Generated by nanopb-0.3.5-dev */
-#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
-#define PB_LOAD_BALANCER_PB_H_INCLUDED
+#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_PROTO_GRPC_LB_V1_LOAD_BALANCER_PB_H
+#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_PROTO_GRPC_LB_V1_LOAD_BALANCER_PB_H
#include "third_party/nanopb/pb.h"
#if PB_PROTO_HEADER_VERSION != 30
#error Regenerate this file with the current version of nanopb generator.
diff --git a/src/core/ext/lb_policy/pick_first/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c
index 103f091709..ce81cf9f67 100644
--- a/src/core/ext/lb_policy/pick_first/pick_first.c
+++ b/src/core/ext/lb_policy/pick_first/pick_first.c
@@ -104,7 +104,7 @@ static void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
pp = p->pending_picks;
p->pending_picks = NULL;
grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
- GRPC_CHANNEL_FATAL_FAILURE, "shutdown");
+ GRPC_CHANNEL_SHUTDOWN, "shutdown");
/* cancel subscription */
if (selected != NULL) {
grpc_connected_subchannel_notify_on_state_change(
@@ -274,11 +274,11 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
} else if (selected != NULL) {
if (p->checking_connectivity == GRPC_CHANNEL_TRANSIENT_FAILURE) {
/* if the selected channel goes bad, we're done */
- p->checking_connectivity = GRPC_CHANNEL_FATAL_FAILURE;
+ p->checking_connectivity = GRPC_CHANNEL_SHUTDOWN;
}
grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
p->checking_connectivity, "selected_changed");
- if (p->checking_connectivity != GRPC_CHANNEL_FATAL_FAILURE) {
+ if (p->checking_connectivity != GRPC_CHANNEL_SHUTDOWN) {
grpc_connected_subchannel_notify_on_state_change(
exec_ctx, selected, p->base.interested_parties,
&p->checking_connectivity, &p->connectivity_changed);
@@ -344,7 +344,7 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
p->base.interested_parties, &p->checking_connectivity,
&p->connectivity_changed);
break;
- case GRPC_CHANNEL_FATAL_FAILURE:
+ case GRPC_CHANNEL_SHUTDOWN:
p->num_subchannels--;
GPR_SWAP(grpc_subchannel *, p->subchannels[p->checking_subchannel],
p->subchannels[p->num_subchannels]);
@@ -352,7 +352,7 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
"pick_first");
if (p->num_subchannels == 0) {
grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
- GRPC_CHANNEL_FATAL_FAILURE,
+ GRPC_CHANNEL_SHUTDOWN,
"no_more_channels");
while ((pp = p->pending_picks)) {
p->pending_picks = pp->next;
diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c
index f58b2e41df..5ce6c4ff5b 100644
--- a/src/core/ext/lb_policy/round_robin/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -243,7 +243,7 @@ static void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
gpr_free(pp);
}
grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
- GRPC_CHANNEL_FATAL_FAILURE, "shutdown");
+ GRPC_CHANNEL_SHUTDOWN, "shutdown");
for (i = 0; i < p->num_subchannels; i++) {
subchannel_data *sd = p->subchannels[i];
grpc_subchannel_notify_on_state_change(exec_ctx, sd->subchannel, NULL, NULL,
@@ -440,7 +440,7 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
GRPC_CHANNEL_TRANSIENT_FAILURE,
"connecting_transient_failure");
break;
- case GRPC_CHANNEL_FATAL_FAILURE:
+ case GRPC_CHANNEL_SHUTDOWN:
if (sd->ready_list_node != NULL) {
remove_disconnected_sc_locked(p, sd->ready_list_node);
sd->ready_list_node = NULL;
@@ -456,7 +456,7 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg,
unref = 1;
if (p->num_subchannels == 0) {
grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
- GRPC_CHANNEL_FATAL_FAILURE,
+ GRPC_CHANNEL_SHUTDOWN,
"no_more_channels");
while ((pp = p->pending_picks)) {
p->pending_picks = pp->next;
diff --git a/src/core/ext/load_reporting/load_reporting.c b/src/core/ext/load_reporting/load_reporting.c
new file mode 100644
index 0000000000..60082dbaaa
--- /dev/null
+++ b/src/core/ext/load_reporting/load_reporting.c
@@ -0,0 +1,132 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/sync.h>
+
+#include "src/core/ext/load_reporting/load_reporting.h"
+#include "src/core/ext/load_reporting/load_reporting_filter.h"
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+
+struct grpc_load_reporting_config {
+ grpc_load_reporting_fn fn;
+ void *user_data;
+};
+
+grpc_load_reporting_config *grpc_load_reporting_config_create(
+ grpc_load_reporting_fn fn, void *user_data) {
+ GPR_ASSERT(fn != NULL);
+ grpc_load_reporting_config *lrc =
+ gpr_malloc(sizeof(grpc_load_reporting_config));
+ lrc->fn = fn;
+ lrc->user_data = user_data;
+ return lrc;
+}
+
+grpc_load_reporting_config *grpc_load_reporting_config_copy(
+ grpc_load_reporting_config *src) {
+ return grpc_load_reporting_config_create(src->fn, src->user_data);
+}
+
+void grpc_load_reporting_config_destroy(grpc_load_reporting_config *lrc) {
+ gpr_free(lrc);
+}
+
+void grpc_load_reporting_config_call(
+ grpc_load_reporting_config *lrc,
+ const grpc_load_reporting_call_data *call_data) {
+ lrc->fn(call_data, lrc->user_data);
+}
+
+static bool is_load_reporting_enabled(const grpc_channel_args *a) {
+ if (a == NULL) return false;
+ for (size_t i = 0; i < a->num_args; i++) {
+ if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_LOAD_REPORTING)) {
+ return a->args[i].value.pointer.p != NULL;
+ }
+ }
+ return false;
+}
+
+static bool maybe_add_load_reporting_filter(grpc_channel_stack_builder *builder,
+ void *arg) {
+ const grpc_channel_args *args =
+ grpc_channel_stack_builder_get_channel_arguments(builder);
+ if (is_load_reporting_enabled(args)) {
+ return grpc_channel_stack_builder_prepend_filter(
+ builder, (const grpc_channel_filter *)arg, NULL, NULL);
+ }
+ return true;
+}
+
+static void lrd_arg_destroy(void *p) { grpc_load_reporting_config_destroy(p); }
+
+static void *lrd_arg_copy(void *p) {
+ return grpc_load_reporting_config_copy(p);
+}
+
+static int lrd_arg_cmp(void *a, void *b) {
+ grpc_load_reporting_config *lhs = a;
+ grpc_load_reporting_config *rhs = b;
+ return !(lhs->fn == rhs->fn && lhs->user_data == rhs->user_data);
+}
+
+static const grpc_arg_pointer_vtable lrd_ptr_vtable = {
+ lrd_arg_copy, lrd_arg_destroy, lrd_arg_cmp};
+
+grpc_arg grpc_load_reporting_config_create_arg(
+ grpc_load_reporting_config *lrc) {
+ grpc_arg arg;
+ arg.type = GRPC_ARG_POINTER;
+ arg.key = GRPC_ARG_ENABLE_LOAD_REPORTING;
+ arg.value.pointer.p = lrc;
+ arg.value.pointer.vtable = &lrd_ptr_vtable;
+ return arg;
+}
+
+/* Plugin registration */
+
+void grpc_load_reporting_plugin_init(void) {
+ grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX,
+ maybe_add_load_reporting_filter,
+ (void *)&grpc_load_reporting_filter);
+ grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+ maybe_add_load_reporting_filter,
+ (void *)&grpc_load_reporting_filter);
+}
+
+void grpc_load_reporting_plugin_shutdown() {}
diff --git a/src/core/ext/load_reporting/load_reporting.h b/src/core/ext/load_reporting/load_reporting.h
new file mode 100644
index 0000000000..316cd89bd7
--- /dev/null
+++ b/src/core/ext/load_reporting/load_reporting.h
@@ -0,0 +1,75 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H
+#define GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H
+
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/surface/call.h"
+
+typedef struct grpc_load_reporting_config grpc_load_reporting_config;
+
+/** Call information to be passed to the provided load reporting function upon
+ * completion of the call */
+typedef struct grpc_load_reporting_call_data {
+ const grpc_call_stats *stats; /**< Stats for the call */
+ const char *trailing_md_string; /**< LR trailing metadata info */
+} grpc_load_reporting_call_data;
+
+/** Custom function to be called by the load reporting filter. */
+typedef void (*grpc_load_reporting_fn)(
+ const grpc_load_reporting_call_data *call_data, void *user_data);
+
+/** Register \a fn as the function to be invoked by the load reporting filter.
+ * \a fn will be invoked at the beginning and at the end of the call.
+ *
+ * For the first invocation, \a fn's first argument
+ * (grpc_load_reporting_call_data*) will be NULL. \a user_data is always passed
+ * as-is. */
+grpc_load_reporting_config *grpc_load_reporting_config_create(
+ grpc_load_reporting_fn fn, void *user_data);
+
+grpc_load_reporting_config *grpc_load_reporting_config_copy(
+ grpc_load_reporting_config *src);
+
+void grpc_load_reporting_config_destroy(grpc_load_reporting_config *lrc);
+
+/** Invoke the function registered by \a grpc_load_reporting_init. */
+void grpc_load_reporting_config_call(
+ grpc_load_reporting_config *lrc,
+ const grpc_load_reporting_call_data *call_data);
+
+/** Return a \a grpc_arg enabling load reporting */
+grpc_arg grpc_load_reporting_config_create_arg(grpc_load_reporting_config *lrc);
+
+#endif /* GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H */
diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/load_reporting/load_reporting_filter.c
new file mode 100644
index 0000000000..f49730fac3
--- /dev/null
+++ b/src/core/ext/load_reporting/load_reporting_filter.c
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <string.h>
+
+#include "src/core/ext/load_reporting/load_reporting.h"
+#include "src/core/ext/load_reporting/load_reporting_filter.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/transport/static_metadata.h"
+
+typedef struct call_data { const char *trailing_md_string; } call_data;
+typedef struct channel_data {
+ gpr_mu mu;
+ grpc_load_reporting_config *lrc;
+} channel_data;
+
+static void invoke_lr_fn_locked(grpc_load_reporting_config *lrc,
+ grpc_load_reporting_call_data *lr_call_data) {
+ GPR_TIMER_BEGIN("load_reporting_config_fn", 0);
+ grpc_load_reporting_config_call(lrc, lr_call_data);
+ GPR_TIMER_END("load_reporting_config_fn", 0);
+}
+
+/* Constructor for call_data */
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+ grpc_call_element_args *args) {
+ call_data *calld = elem->call_data;
+ memset(calld, 0, sizeof(call_data));
+}
+
+/* Destructor for call_data */
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+ const grpc_call_stats *stats, void *ignored) {
+ channel_data *chand = elem->channel_data;
+ call_data *calld = elem->call_data;
+
+ grpc_load_reporting_call_data lr_call_data = {stats,
+ calld->trailing_md_string};
+
+ gpr_mu_lock(&chand->mu);
+ invoke_lr_fn_locked(chand->lrc, &lr_call_data);
+ gpr_mu_unlock(&chand->mu);
+}
+
+/* Constructor for channel_data */
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+ grpc_channel_element *elem,
+ grpc_channel_element_args *args) {
+ GPR_ASSERT(!args->is_last);
+
+ channel_data *chand = elem->channel_data;
+ memset(chand, 0, sizeof(channel_data));
+
+ gpr_mu_init(&chand->mu);
+ for (size_t i = 0; i < args->channel_args->num_args; i++) {
+ if (0 == strcmp(args->channel_args->args[i].key,
+ GRPC_ARG_ENABLE_LOAD_REPORTING)) {
+ grpc_load_reporting_config *arg_lrc =
+ args->channel_args->args[i].value.pointer.p;
+ chand->lrc = grpc_load_reporting_config_copy(arg_lrc);
+ GPR_ASSERT(chand->lrc != NULL);
+ break;
+ }
+ }
+ GPR_ASSERT(chand->lrc != NULL); /* arg actually found */
+
+ gpr_mu_lock(&chand->mu);
+ invoke_lr_fn_locked(chand->lrc, NULL);
+ gpr_mu_unlock(&chand->mu);
+}
+
+/* Destructor for channel data */
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+ grpc_channel_element *elem) {
+ channel_data *chand = elem->channel_data;
+ gpr_mu_destroy(&chand->mu);
+ grpc_load_reporting_config_destroy(chand->lrc);
+}
+
+static grpc_mdelem *lr_trailing_md_filter(void *user_data, grpc_mdelem *md) {
+ grpc_call_element *elem = user_data;
+ call_data *calld = elem->call_data;
+
+ if (md->key == GRPC_MDSTR_LOAD_REPORTING) {
+ calld->trailing_md_string = gpr_strdup(grpc_mdstr_as_c_string(md->value));
+ return NULL;
+ }
+
+ return md;
+}
+
+static void lr_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_transport_stream_op *op) {
+ GPR_TIMER_BEGIN("lr_start_transport_stream_op", 0);
+
+ if (op->send_trailing_metadata) {
+ grpc_metadata_batch_filter(op->send_trailing_metadata,
+ lr_trailing_md_filter, elem);
+ }
+ grpc_call_next_op(exec_ctx, elem, op);
+
+ GPR_TIMER_END("lr_start_transport_stream_op", 0);
+}
+
+const grpc_channel_filter grpc_load_reporting_filter = {
+ lr_start_transport_stream_op,
+ grpc_channel_next_op,
+ sizeof(call_data),
+ init_call_elem,
+ grpc_call_stack_ignore_set_pollset,
+ destroy_call_elem,
+ sizeof(channel_data),
+ init_channel_elem,
+ destroy_channel_elem,
+ grpc_call_next_get_peer,
+ "load_reporting"};
diff --git a/src/core/ext/load_reporting/load_reporting_filter.h b/src/core/ext/load_reporting/load_reporting_filter.h
new file mode 100644
index 0000000000..f69cd6fdc6
--- /dev/null
+++ b/src/core/ext/load_reporting/load_reporting_filter.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H
+#define GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H
+
+#include "src/core/lib/channel/channel_stack.h"
+
+extern const grpc_channel_filter grpc_load_reporting_filter;
+
+#endif /* GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H */
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 67168741a8..046b395001 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -444,7 +444,7 @@ static void close_transport_locked(grpc_exec_ctx *exec_ctx,
void *arg_ignored) {
if (!t->closed) {
t->closed = 1;
- connectivity_state_set(exec_ctx, &t->global, GRPC_CHANNEL_FATAL_FAILURE,
+ connectivity_state_set(exec_ctx, &t->global, GRPC_CHANNEL_SHUTDOWN,
"close_transport");
if (t->ep) {
allow_endpoint_shutdown_locked(exec_ctx, t);
@@ -804,7 +804,7 @@ void grpc_chttp2_add_incoming_goaway(
gpr_free(msg);
gpr_slice_unref(goaway_text);
transport_global->seen_goaway = 1;
- connectivity_state_set(exec_ctx, transport_global, GRPC_CHANNEL_FATAL_FAILURE,
+ connectivity_state_set(exec_ctx, transport_global, GRPC_CHANNEL_SHUTDOWN,
"got_goaway");
}
@@ -1426,93 +1426,95 @@ static void close_from_api(grpc_exec_ctx *exec_ctx,
GPR_ASSERT(status >= 0 && (int)status < 100);
- GPR_ASSERT(stream_global->id != 0);
-
- /* Hand roll a header block.
- This is unnecessarily ugly - at some point we should find a more elegant
- solution.
- It's complicated by the fact that our send machinery would be dead by the
- time we got around to sending this, so instead we ignore HPACK compression
- and just write the uncompressed bytes onto the wire. */
- status_hdr = gpr_slice_malloc(15 + (status >= 10));
- p = GPR_SLICE_START_PTR(status_hdr);
- *p++ = 0x40; /* literal header */
- *p++ = 11; /* len(grpc-status) */
- *p++ = 'g';
- *p++ = 'r';
- *p++ = 'p';
- *p++ = 'c';
- *p++ = '-';
- *p++ = 's';
- *p++ = 't';
- *p++ = 'a';
- *p++ = 't';
- *p++ = 'u';
- *p++ = 's';
- if (status < 10) {
- *p++ = 1;
- *p++ = (uint8_t)('0' + status);
- } else {
- *p++ = 2;
- *p++ = (uint8_t)('0' + (status / 10));
- *p++ = (uint8_t)('0' + (status % 10));
- }
- GPR_ASSERT(p == GPR_SLICE_END_PTR(status_hdr));
- len += (uint32_t)GPR_SLICE_LENGTH(status_hdr);
-
- if (optional_message) {
- GPR_ASSERT(GPR_SLICE_LENGTH(*optional_message) < 127);
- message_pfx = gpr_slice_malloc(15);
- p = GPR_SLICE_START_PTR(message_pfx);
- *p++ = 0x40;
- *p++ = 12; /* len(grpc-message) */
+ if (stream_global->id != 0 && !transport_global->is_client) {
+ /* Hand roll a header block.
+ This is unnecessarily ugly - at some point we should find a more elegant
+ solution.
+ It's complicated by the fact that our send machinery would be dead by the
+ time we got around to sending this, so instead we ignore HPACK
+ compression
+ and just write the uncompressed bytes onto the wire. */
+ status_hdr = gpr_slice_malloc(15 + (status >= 10));
+ p = GPR_SLICE_START_PTR(status_hdr);
+ *p++ = 0x40; /* literal header */
+ *p++ = 11; /* len(grpc-status) */
*p++ = 'g';
*p++ = 'r';
*p++ = 'p';
*p++ = 'c';
*p++ = '-';
- *p++ = 'm';
- *p++ = 'e';
- *p++ = 's';
*p++ = 's';
+ *p++ = 't';
*p++ = 'a';
- *p++ = 'g';
- *p++ = 'e';
- *p++ = (uint8_t)GPR_SLICE_LENGTH(*optional_message);
- GPR_ASSERT(p == GPR_SLICE_END_PTR(message_pfx));
- len += (uint32_t)GPR_SLICE_LENGTH(message_pfx);
- len += (uint32_t)GPR_SLICE_LENGTH(*optional_message);
- }
-
- hdr = gpr_slice_malloc(9);
- p = GPR_SLICE_START_PTR(hdr);
- *p++ = (uint8_t)(len >> 16);
- *p++ = (uint8_t)(len >> 8);
- *p++ = (uint8_t)(len);
- *p++ = GRPC_CHTTP2_FRAME_HEADER;
- *p++ = GRPC_CHTTP2_DATA_FLAG_END_STREAM | GRPC_CHTTP2_DATA_FLAG_END_HEADERS;
- *p++ = (uint8_t)(stream_global->id >> 24);
- *p++ = (uint8_t)(stream_global->id >> 16);
- *p++ = (uint8_t)(stream_global->id >> 8);
- *p++ = (uint8_t)(stream_global->id);
- GPR_ASSERT(p == GPR_SLICE_END_PTR(hdr));
-
- gpr_slice_buffer_add(&transport_global->qbuf, hdr);
- gpr_slice_buffer_add(&transport_global->qbuf, status_hdr);
- if (optional_message) {
- gpr_slice_buffer_add(&transport_global->qbuf, message_pfx);
- gpr_slice_buffer_add(&transport_global->qbuf,
- gpr_slice_ref(*optional_message));
- }
-
- gpr_slice_buffer_add(
- &transport_global->qbuf,
- grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR,
- &stream_global->stats.outgoing));
-
- if (optional_message) {
- gpr_slice_ref(*optional_message);
+ *p++ = 't';
+ *p++ = 'u';
+ *p++ = 's';
+ if (status < 10) {
+ *p++ = 1;
+ *p++ = (uint8_t)('0' + status);
+ } else {
+ *p++ = 2;
+ *p++ = (uint8_t)('0' + (status / 10));
+ *p++ = (uint8_t)('0' + (status % 10));
+ }
+ GPR_ASSERT(p == GPR_SLICE_END_PTR(status_hdr));
+ len += (uint32_t)GPR_SLICE_LENGTH(status_hdr);
+
+ if (optional_message) {
+ GPR_ASSERT(GPR_SLICE_LENGTH(*optional_message) < 127);
+ message_pfx = gpr_slice_malloc(15);
+ p = GPR_SLICE_START_PTR(message_pfx);
+ *p++ = 0x40;
+ *p++ = 12; /* len(grpc-message) */
+ *p++ = 'g';
+ *p++ = 'r';
+ *p++ = 'p';
+ *p++ = 'c';
+ *p++ = '-';
+ *p++ = 'm';
+ *p++ = 'e';
+ *p++ = 's';
+ *p++ = 's';
+ *p++ = 'a';
+ *p++ = 'g';
+ *p++ = 'e';
+ *p++ = (uint8_t)GPR_SLICE_LENGTH(*optional_message);
+ GPR_ASSERT(p == GPR_SLICE_END_PTR(message_pfx));
+ len += (uint32_t)GPR_SLICE_LENGTH(message_pfx);
+ len += (uint32_t)GPR_SLICE_LENGTH(*optional_message);
+ }
+
+ hdr = gpr_slice_malloc(9);
+ p = GPR_SLICE_START_PTR(hdr);
+ *p++ = (uint8_t)(len >> 16);
+ *p++ = (uint8_t)(len >> 8);
+ *p++ = (uint8_t)(len);
+ *p++ = GRPC_CHTTP2_FRAME_HEADER;
+ *p++ = GRPC_CHTTP2_DATA_FLAG_END_STREAM | GRPC_CHTTP2_DATA_FLAG_END_HEADERS;
+ *p++ = (uint8_t)(stream_global->id >> 24);
+ *p++ = (uint8_t)(stream_global->id >> 16);
+ *p++ = (uint8_t)(stream_global->id >> 8);
+ *p++ = (uint8_t)(stream_global->id);
+ GPR_ASSERT(p == GPR_SLICE_END_PTR(hdr));
+
+ gpr_slice_buffer_add(&transport_global->qbuf, hdr);
+ gpr_slice_buffer_add(&transport_global->qbuf, status_hdr);
+ if (optional_message) {
+ gpr_slice_buffer_add(&transport_global->qbuf, message_pfx);
+ gpr_slice_buffer_add(&transport_global->qbuf,
+ gpr_slice_ref(*optional_message));
+ }
+
+ gpr_slice_buffer_add(
+ &transport_global->qbuf,
+ grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR,
+ &stream_global->stats.outgoing));
+
+ if (optional_message) {
+ gpr_slice_ref(*optional_message);
+ }
}
+
grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
optional_message);
grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-27 02:50:25 +0000