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-rw-r--r--src/core/ext/census/base_resources.c71
-rw-r--r--src/core/ext/census/base_resources.h39
-rw-r--r--src/core/ext/census/gen/census.pb.c55
-rw-r--r--src/core/ext/census/gen/census.pb.h135
-rw-r--r--src/core/ext/census/grpc_filter.c14
-rw-r--r--src/core/ext/census/initialize.c20
-rw-r--r--src/core/ext/census/placeholders.c45
-rw-r--r--src/core/ext/census/resource.c312
-rw-r--r--src/core/ext/census/resource.h63
-rw-r--r--src/core/ext/client_config/client_channel.c6
-rw-r--r--src/core/ext/client_config/subchannel.c25
-rw-r--r--src/core/ext/client_config/subchannel.h4
-rw-r--r--src/core/ext/client_config/subchannel_call_holder.c38
-rw-r--r--src/core/ext/load_reporting/load_reporting_filter.c7
-rw-r--r--src/core/lib/channel/channel_stack.c25
-rw-r--r--src/core/lib/channel/channel_stack.h18
-rw-r--r--src/core/lib/channel/compress_filter.c7
-rw-r--r--src/core/lib/channel/connected_channel.c12
-rw-r--r--src/core/lib/channel/http_client_filter.c6
-rw-r--r--src/core/lib/channel/http_server_filter.c6
-rw-r--r--src/core/lib/iomgr/error.h2
-rw-r--r--src/core/lib/security/transport/client_auth_filter.c6
-rw-r--r--src/core/lib/security/transport/secure_endpoint.c4
-rw-r--r--src/core/lib/security/transport/server_auth_filter.c7
-rw-r--r--src/core/lib/surface/call.c22
-rw-r--r--src/core/lib/surface/lame_client.c7
-rw-r--r--src/core/lib/surface/server.c6
-rw-r--r--src/core/lib/transport/static_metadata.c22
-rw-r--r--src/core/lib/transport/static_metadata.h56
-rw-r--r--src/proto/census/census.proto119
-rw-r--r--src/python/grpcio/grpc_core_dependencies.py2
-rw-r--r--src/ruby/ext/grpc/rb_grpc_imports.generated.c22
-rw-r--r--src/ruby/ext/grpc/rb_grpc_imports.generated.h33
33 files changed, 865 insertions, 351 deletions
diff --git a/src/core/ext/census/base_resources.c b/src/core/ext/census/base_resources.c
new file mode 100644
index 0000000000..f9aa4bb994
--- /dev/null
+++ b/src/core/ext/census/base_resources.c
@@ -0,0 +1,71 @@
+/*
+ * 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 "src/core/ext/census/base_resources.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/census.h>
+#include <grpc/support/log.h>
+
+#include "src/core/ext/census/resource.h"
+
+// Add base RPC resource definitions for use by RPC runtime.
+//
+// TODO(aveitch): All of these are currently hardwired definitions encoded in
+// the code in this file. These should be converted to use an external
+// configuration mechanism, in which these resources are defined in a text
+// file, which is compiled to .pb format and read by still-to-be-written
+// configuration functions.
+
+// Define all base resources. This should be called by census initialization.
+void define_base_resources() {
+ google_census_Resource_BasicUnit numerator =
+ google_census_Resource_BasicUnit_SECS;
+ resource r = {"client_rpc_latency", // name
+ "Client RPC latency in seconds", // description
+ 0, // prefix
+ 1, // n_numerators
+ &numerator, // numerators
+ 0, // n_denominators
+ NULL}; // denominators
+ define_resource(&r);
+ r = (resource){"server_rpc_latency", // name
+ "Server RPC latency in seconds", // description
+ 0, // prefix
+ 1, // n_numerators
+ &numerator, // numerators
+ 0, // n_denominators
+ NULL}; // denominators
+ define_resource(&r);
+}
diff --git a/src/core/ext/census/base_resources.h b/src/core/ext/census/base_resources.h
new file mode 100644
index 0000000000..e5a7696db4
--- /dev/null
+++ b/src/core/ext/census/base_resources.h
@@ -0,0 +1,39 @@
+/*
+ * 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_CENSUS_BASE_RESOURCES_H
+#define GRPC_CORE_EXT_CENSUS_BASE_RESOURCES_H
+
+/* Define all base resources. This should be called by census initialization. */
+void define_base_resources();
+
+#endif /* GRPC_CORE_EXT_CENSUS_BASE_RESOURCES_H */
diff --git a/src/core/ext/census/gen/census.pb.c b/src/core/ext/census/gen/census.pb.c
index d614636c90..647f0635b7 100644
--- a/src/core/ext/census/gen/census.pb.c
+++ b/src/core/ext/census/gen/census.pb.c
@@ -53,29 +53,24 @@ const pb_field_t google_census_Timestamp_fields[3] = {
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),
+const pb_field_t google_census_Resource_fields[4] = {
+ PB_FIELD( 1, STRING , OPTIONAL, CALLBACK, FIRST, google_census_Resource, name, name, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, CALLBACK, OTHER, google_census_Resource, description, name, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_Resource, unit, description, &google_census_Resource_MeasurementUnit_fields),
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),
+const pb_field_t google_census_Resource_MeasurementUnit_fields[4] = {
+ PB_FIELD( 1, INT32 , OPTIONAL, STATIC , FIRST, google_census_Resource_MeasurementUnit, prefix, prefix, 0),
+ PB_FIELD( 2, UENUM , REPEATED, CALLBACK, OTHER, google_census_Resource_MeasurementUnit, numerator, prefix, 0),
+ PB_FIELD( 3, UENUM , REPEATED, CALLBACK, OTHER, google_census_Resource_MeasurementUnit, denominator, numerator, 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),
+const pb_field_t google_census_AggregationDescriptor_fields[4] = {
+ PB_FIELD( 1, UENUM , OPTIONAL, STATIC , FIRST, google_census_AggregationDescriptor, type, type, 0),
+ PB_ONEOF_FIELD(options, 2, MESSAGE , ONEOF, STATIC , OTHER, google_census_AggregationDescriptor, bucket_boundaries, type, &google_census_AggregationDescriptor_BucketBoundaries_fields),
+ PB_ONEOF_FIELD(options, 3, MESSAGE , ONEOF, STATIC , OTHER, google_census_AggregationDescriptor, interval_boundaries, type, &google_census_AggregationDescriptor_IntervalBoundaries_fields),
PB_LAST_FIELD
};
@@ -124,25 +119,27 @@ const pb_field_t google_census_Tag_fields[3] = {
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( 3, STRING , OPTIONAL, CALLBACK, OTHER, google_census_View, resource_name, description, 0),
+ PB_FIELD( 4, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_View, aggregation, resource_name, &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] = {
+const pb_field_t google_census_Aggregation_fields[7] = {
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_ONEOF_FIELD(data, 3, UINT64 , ONEOF, STATIC , OTHER, google_census_Aggregation, count, description, 0),
+ PB_ONEOF_FIELD(data, 4, MESSAGE , ONEOF, STATIC , OTHER, google_census_Aggregation, distribution, description, &google_census_Distribution_fields),
+ PB_ONEOF_FIELD(data, 5, MESSAGE , ONEOF, STATIC , OTHER, google_census_Aggregation, interval_stats, description, &google_census_IntervalStats_fields),
+ PB_FIELD( 6, 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),
+const pb_field_t google_census_Metric_fields[5] = {
+ PB_FIELD( 1, STRING , OPTIONAL, CALLBACK, FIRST, google_census_Metric, view_name, view_name, 0),
+ PB_FIELD( 2, MESSAGE , REPEATED, CALLBACK, OTHER, google_census_Metric, aggregation, view_name, &google_census_Aggregation_fields),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_Metric, start, aggregation, &google_census_Timestamp_fields),
+ PB_FIELD( 4, MESSAGE , OPTIONAL, STATIC , OTHER, google_census_Metric, end, start, &google_census_Timestamp_fields),
PB_LAST_FIELD
};
@@ -156,7 +153,7 @@ const pb_field_t google_census_ViewAggregations_fields[4] = {
* 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)
+PB_STATIC_ASSERT((pb_membersize(google_census_Resource, unit) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Resource, unit) < 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_Resource, unit) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 65536 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 65536 && pb_membersize(google_census_Resource, unit) < 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_Metric, aggregation) < 65536 && pb_membersize(google_census_Metric, start) < 65536 && pb_membersize(google_census_Metric, end) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_google_census_Duration_google_census_Timestamp_google_census_Resource_google_census_Resource_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_Metric)
#endif
#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
@@ -167,7 +164,7 @@ PB_STATIC_ASSERT((pb_membersize(google_census_Metric, unit) < 65536 && pb_member
* 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)
+PB_STATIC_ASSERT((pb_membersize(google_census_Resource, unit) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Resource, unit) < 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_Resource, unit) < 256 && pb_membersize(google_census_AggregationDescriptor, options.bucket_boundaries) < 256 && pb_membersize(google_census_AggregationDescriptor, options.interval_boundaries) < 256 && pb_membersize(google_census_Resource, unit) < 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_Metric, aggregation) < 256 && pb_membersize(google_census_Metric, start) < 256 && pb_membersize(google_census_Metric, end) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_google_census_Duration_google_census_Timestamp_google_census_Resource_google_census_Resource_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_Metric)
#endif
diff --git a/src/core/ext/census/gen/census.pb.h b/src/core/ext/census/gen/census.pb.h
index d040fe29e7..dae583f33d 100644
--- a/src/core/ext/census/gen/census.pb.h
+++ b/src/core/ext/census/gen/census.pb.h
@@ -45,14 +45,21 @@ 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;
+typedef enum _google_census_Resource_BasicUnit {
+ google_census_Resource_BasicUnit_UNKNOWN = 0,
+ google_census_Resource_BasicUnit_BITS = 1,
+ google_census_Resource_BasicUnit_BYTES = 2,
+ google_census_Resource_BasicUnit_SECS = 3,
+ google_census_Resource_BasicUnit_CORES = 4,
+ google_census_Resource_BasicUnit_MAX_UNITS = 5
+} google_census_Resource_BasicUnit;
+
+typedef enum _google_census_AggregationDescriptor_AggregationType {
+ google_census_AggregationDescriptor_AggregationType_UNKNOWN = 0,
+ google_census_AggregationDescriptor_AggregationType_COUNT = 1,
+ google_census_AggregationDescriptor_AggregationType_DISTRIBUTION = 2,
+ google_census_AggregationDescriptor_AggregationType_INTERVAL = 3
+} google_census_AggregationDescriptor_AggregationType;
/* Struct definitions */
typedef struct _google_census_AggregationDescriptor_BucketBoundaries {
@@ -68,6 +75,8 @@ typedef struct _google_census_IntervalStats {
} google_census_IntervalStats;
typedef struct _google_census_AggregationDescriptor {
+ bool has_type;
+ google_census_AggregationDescriptor_AggregationType type;
pb_size_t which_options;
union {
google_census_AggregationDescriptor_BucketBoundaries bucket_boundaries;
@@ -89,17 +98,12 @@ typedef struct _google_census_Duration {
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 {
+typedef struct _google_census_Resource_MeasurementUnit {
bool has_prefix;
int32_t prefix;
pb_callback_t numerator;
pb_callback_t denominator;
-} google_census_Metric_MeasurementUnit;
+} google_census_Resource_MeasurementUnit;
typedef struct _google_census_Tag {
bool has_key;
@@ -135,37 +139,36 @@ typedef struct _google_census_IntervalStats_Window {
} google_census_IntervalStats_Window;
typedef struct _google_census_Metric {
+ pb_callback_t view_name;
+ pb_callback_t aggregation;
+ bool has_start;
+ google_census_Timestamp start;
+ bool has_end;
+ google_census_Timestamp end;
+} google_census_Metric;
+
+typedef struct _google_census_Resource {
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;
+ google_census_Resource_MeasurementUnit unit;
+} google_census_Resource;
typedef struct _google_census_View {
pb_callback_t name;
pb_callback_t description;
- bool has_metric_id;
- int32_t metric_id;
+ pb_callback_t resource_name;
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 {
+ uint64_t count;
google_census_Distribution distribution;
google_census_IntervalStats interval_stats;
} data;
@@ -177,10 +180,9 @@ typedef struct _google_census_Aggregation {
/* 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_Resource_init_default {{{NULL}, NULL}, {{NULL}, NULL}, false, google_census_Resource_MeasurementUnit_init_default}
+#define google_census_Resource_MeasurementUnit_init_default {false, 0, {{NULL}, NULL}, {{NULL}, NULL}}
+#define google_census_AggregationDescriptor_init_default {false, (google_census_AggregationDescriptor_AggregationType)0, 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}}
@@ -188,15 +190,14 @@ typedef struct _google_census_Aggregation {
#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_View_init_default {{{NULL}, NULL}, {{NULL}, NULL}, {{NULL}, NULL}, false, google_census_AggregationDescriptor_init_default, {{NULL}, NULL}}
+#define google_census_Aggregation_init_default {{{NULL}, NULL}, {{NULL}, NULL}, 0, {0}, {{NULL}, NULL}}
+#define google_census_Metric_init_default {{{NULL}, NULL}, {{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_Resource_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, false, google_census_Resource_MeasurementUnit_init_zero}
+#define google_census_Resource_MeasurementUnit_init_zero {false, 0, {{NULL}, NULL}, {{NULL}, NULL}}
+#define google_census_AggregationDescriptor_init_zero {false, (google_census_AggregationDescriptor_AggregationType)0, 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}}
@@ -204,25 +205,25 @@ typedef struct _google_census_Aggregation {
#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}
+#define google_census_View_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, {{NULL}, NULL}, false, google_census_AggregationDescriptor_init_zero, {{NULL}, NULL}}
+#define google_census_Aggregation_init_zero {{{NULL}, NULL}, {{NULL}, NULL}, 0, {0}, {{NULL}, NULL}}
+#define google_census_Metric_init_zero {{{NULL}, NULL}, {{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_bucket_boundaries_tag 2
-#define google_census_AggregationDescriptor_interval_boundaries_tag 2
+#define google_census_AggregationDescriptor_interval_boundaries_tag 3
+#define google_census_AggregationDescriptor_type_tag 1
#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_Resource_MeasurementUnit_prefix_tag 1
+#define google_census_Resource_MeasurementUnit_numerator_tag 2
+#define google_census_Resource_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
@@ -234,32 +235,33 @@ typedef struct _google_census_Aggregation {
#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_Metric_view_name_tag 1
+#define google_census_Metric_aggregation_tag 2
+#define google_census_Metric_start_tag 3
+#define google_census_Metric_end_tag 4
+#define google_census_Resource_name_tag 1
+#define google_census_Resource_description_tag 2
+#define google_census_Resource_unit_tag 3
#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_resource_name_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_count_tag 3
+
+#define google_census_Aggregation_distribution_tag 4
-#define google_census_Aggregation_interval_stats_tag 4
+#define google_census_Aggregation_interval_stats_tag 5
#define google_census_Aggregation_name_tag 1
#define google_census_Aggregation_description_tag 2
-#define google_census_Aggregation_tag_tag 5
+#define google_census_Aggregation_tag_tag 6
/* 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_Resource_fields[4];
+extern const pb_field_t google_census_Resource_MeasurementUnit_fields[4];
+extern const pb_field_t google_census_AggregationDescriptor_fields[4];
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];
@@ -268,13 +270,12 @@ 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];
+extern const pb_field_t google_census_Aggregation_fields[7];
+extern const pb_field_t google_census_Metric_fields[5];
/* 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
diff --git a/src/core/ext/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c
index 3004a1fc97..9dacc17eb4 100644
--- a/src/core/ext/census/grpc_filter.c
+++ b/src/core/ext/census/grpc_filter.c
@@ -127,13 +127,14 @@ static void server_start_transport_op(grpc_exec_ctx *exec_ctx,
grpc_call_next_op(exec_ctx, elem, op);
}
-static void client_init_call_elem(grpc_exec_ctx *exec_ctx,
- grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *client_init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
call_data *d = elem->call_data;
GPR_ASSERT(d != NULL);
memset(d, 0, sizeof(*d));
d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
+ return GRPC_ERROR_NONE;
}
static void client_destroy_call_elem(grpc_exec_ctx *exec_ctx,
@@ -145,15 +146,16 @@ static void client_destroy_call_elem(grpc_exec_ctx *exec_ctx,
/* TODO(hongyu): record rpc client stats and census_rpc_end_op here */
}
-static void server_init_call_elem(grpc_exec_ctx *exec_ctx,
- grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *server_init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
call_data *d = elem->call_data;
GPR_ASSERT(d != NULL);
memset(d, 0, sizeof(*d));
d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
/* TODO(hongyu): call census_tracing_start_op here. */
grpc_closure_init(&d->finish_recv, server_on_done_recv, elem);
+ return GRPC_ERROR_NONE;
}
static void server_destroy_call_elem(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/ext/census/initialize.c b/src/core/ext/census/initialize.c
index 896276e44a..55cbbe8e95 100644
--- a/src/core/ext/census/initialize.c
+++ b/src/core/ext/census/initialize.c
@@ -32,19 +32,31 @@
*/
#include <grpc/census.h>
+#include "src/core/ext/census/base_resources.h"
+#include "src/core/ext/census/resource.h"
static int features_enabled = CENSUS_FEATURE_NONE;
int census_initialize(int features) {
if (features_enabled != CENSUS_FEATURE_NONE) {
// Must have been a previous call to census_initialize; return error
- return 1;
+ return -1;
}
- features_enabled = features;
- return 0;
+ features_enabled = features & CENSUS_FEATURE_ALL;
+ if (features & CENSUS_FEATURE_STATS) {
+ initialize_resources();
+ define_base_resources();
+ }
+
+ return features_enabled;
}
-void census_shutdown(void) { features_enabled = CENSUS_FEATURE_NONE; }
+void census_shutdown(void) {
+ if (features_enabled & CENSUS_FEATURE_STATS) {
+ shutdown_resources();
+ }
+ features_enabled = CENSUS_FEATURE_NONE;
+}
int census_supported(void) {
/* TODO(aveitch): improve this as we implement features... */
diff --git a/src/core/ext/census/placeholders.c b/src/core/ext/census/placeholders.c
index fe23d13971..9f99c5bdcf 100644
--- a/src/core/ext/census/placeholders.c
+++ b/src/core/ext/census/placeholders.c
@@ -62,48 +62,3 @@ int census_trace_scan_start(int consume) {
(void)consume;
abort();
}
-
-const census_aggregation *census_view_aggregrations(const census_view *view) {
- (void)view;
- abort();
-}
-
-census_view *census_view_create(uint32_t metric_id, const census_context *tags,
- const census_aggregation *aggregations,
- size_t naggregations) {
- (void)metric_id;
- (void)tags;
- (void)aggregations;
- (void)naggregations;
- abort();
-}
-
-const census_context *census_view_tags(const census_view *view) {
- (void)view;
- abort();
-}
-
-void census_view_delete(census_view *view) {
- (void)view;
- abort();
-}
-
-const census_view_data *census_view_get_data(const census_view *view) {
- (void)view;
- abort();
-}
-
-size_t census_view_metric(const census_view *view) {
- (void)view;
- abort();
-}
-
-size_t census_view_naggregations(const census_view *view) {
- (void)view;
- abort();
-}
-
-void census_view_reset(census_view *view) {
- (void)view;
- abort();
-}
diff --git a/src/core/ext/census/resource.c b/src/core/ext/census/resource.c
new file mode 100644
index 0000000000..ed44f004f9
--- /dev/null
+++ b/src/core/ext/census/resource.c
@@ -0,0 +1,312 @@
+/*
+ *
+ * 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 "src/core/ext/census/resource.h"
+#include "third_party/nanopb/pb_decode.h"
+
+#include <grpc/census.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+
+#include <stdbool.h>
+#include <string.h>
+
+// Protect local resource data structures.
+static gpr_mu resource_lock;
+
+// Deleteing and creating resources are relatively rare events, and should not
+// be done in the critical path of performance sensitive code. We record
+// current resource id's used in a simple array, and just search it each time
+// we need to assign a new id, or look up a resource.
+static resource **resources = NULL;
+
+// Number of entries in *resources
+static size_t n_resources = 0;
+
+// Number of defined resources
+static size_t n_defined_resources = 0;
+
+void initialize_resources(void) {
+ gpr_mu_init(&resource_lock);
+ gpr_mu_lock(&resource_lock);
+ GPR_ASSERT(resources == NULL && n_resources == 0 && n_defined_resources == 0);
+ gpr_mu_unlock(&resource_lock);
+}
+
+// Delete a resource given it's ID. The ID must be a valid resource ID. Must be
+// called with resource_lock held.
+static void delete_resource_locked(size_t rid) {
+ GPR_ASSERT(resources[rid] != NULL);
+ gpr_free(resources[rid]->name);
+ gpr_free(resources[rid]->description);
+ gpr_free(resources[rid]->numerators);
+ gpr_free(resources[rid]->denominators);
+ gpr_free(resources[rid]);
+ resources[rid] = NULL;
+ n_defined_resources--;
+}
+
+void shutdown_resources(void) {
+ gpr_mu_lock(&resource_lock);
+ for (size_t i = 0; i < n_resources; i++) {
+ if (resources[i] != NULL) {
+ delete_resource_locked(i);
+ }
+ }
+ GPR_ASSERT(n_defined_resources == 0);
+ gpr_free(resources);
+ resources = NULL;
+ n_resources = 0;
+ gpr_mu_unlock(&resource_lock);
+}
+
+// Check the contents of string fields in a resource proto.
+static bool validate_string(pb_istream_t *stream, const pb_field_t *field,
+ void **arg) {
+ resource *vresource = (resource *)*arg;
+ switch (field->tag) {
+ case google_census_Resource_name_tag:
+ // Name must have at least one character
+ if (stream->bytes_left == 0) {
+ gpr_log(GPR_INFO, "Zero-length Resource name.");
+ return false;
+ }
+ vresource->name = gpr_malloc(stream->bytes_left + 1);
+ vresource->name[stream->bytes_left] = '\0';
+ if (!pb_read(stream, (uint8_t *)vresource->name, stream->bytes_left)) {
+ return false;
+ }
+ // Can't have same name as an existing resource.
+ for (size_t i = 0; i < n_resources; i++) {
+ resource *compare = resources[i];
+ if (compare == vresource || compare == NULL) continue;
+ if (strcmp(compare->name, vresource->name) == 0) {
+ gpr_log(GPR_INFO, "Duplicate Resource name %s.", vresource->name);
+ return false;
+ }
+ }
+ break;
+ case google_census_Resource_description_tag:
+ if (stream->bytes_left == 0) {
+ return true;
+ }
+ vresource->description = gpr_malloc(stream->bytes_left + 1);
+ vresource->description[stream->bytes_left] = '\0';
+ if (!pb_read(stream, (uint8_t *)vresource->description,
+ stream->bytes_left)) {
+ return false;
+ }
+ break;
+ default:
+ // No other string fields in Resource. Print warning and skip.
+ gpr_log(GPR_INFO, "Unknown string field type in Resource protobuf.");
+ if (!pb_read(stream, NULL, stream->bytes_left)) {
+ return false;
+ }
+ break;
+ }
+ return true;
+}
+
+// Decode numerators/denominators in a stream. The `count` and `bup`
+// (BasicUnit pointer) are pointers to the approriate fields in a resource
+// struct.
+static bool validate_units_helper(pb_istream_t *stream, int *count,
+ google_census_Resource_BasicUnit **bup) {
+ while (stream->bytes_left) {
+ (*count)++;
+ // Have to allocate a new array of values. Normal case is 0 or 1, so
+ // this should normally not be an issue.
+ google_census_Resource_BasicUnit *new_bup =
+ gpr_malloc((size_t)*count * sizeof(google_census_Resource_BasicUnit));
+ if (*count != 1) {
+ memcpy(new_bup, *bup,
+ (size_t)(*count - 1) * sizeof(google_census_Resource_BasicUnit));
+ gpr_free(*bup);
+ }
+ *bup = new_bup;
+ uint64_t value;
+ if (!pb_decode_varint(stream, &value)) {
+ return false;
+ }
+ *(*bup + *count - 1) = (google_census_Resource_BasicUnit)value;
+ }
+ return true;
+}
+
+// Validate units field of a Resource proto.
+static bool validate_units(pb_istream_t *stream, const pb_field_t *field,
+ void **arg) {
+ resource *vresource = (resource *)(*arg);
+ switch (field->tag) {
+ case google_census_Resource_MeasurementUnit_numerator_tag:
+ return validate_units_helper(stream, &vresource->n_numerators,
+ &vresource->numerators);
+ break;
+ case google_census_Resource_MeasurementUnit_denominator_tag:
+ return validate_units_helper(stream, &vresource->n_denominators,
+ &vresource->denominators);
+ break;
+ default:
+ gpr_log(GPR_ERROR, "Unknown field type.");
+ return false;
+ break;
+ }
+ return true;
+}
+
+// Validate the contents of a Resource proto. `id` is the intended resource id.
+static bool validate_resource_pb(const uint8_t *resource_pb,
+ size_t resource_pb_size, size_t id) {
+ GPR_ASSERT(id < n_resources);
+ if (resource_pb == NULL) {
+ return false;
+ }
+ google_census_Resource vresource;
+ vresource.name.funcs.decode = &validate_string;
+ vresource.name.arg = resources[id];
+ vresource.description.funcs.decode = &validate_string;
+ vresource.description.arg = resources[id];
+ vresource.unit.numerator.funcs.decode = &validate_units;
+ vresource.unit.numerator.arg = resources[id];
+ vresource.unit.denominator.funcs.decode = &validate_units;
+ vresource.unit.denominator.arg = resources[id];
+
+ pb_istream_t stream =
+ pb_istream_from_buffer((uint8_t *)resource_pb, resource_pb_size);
+ if (!pb_decode(&stream, google_census_Resource_fields, &vresource)) {
+ return false;
+ }
+ // A Resource must have a name, a unit, with at least one numerator.
+ return (resources[id]->name != NULL && vresource.has_unit &&
+ resources[id]->n_numerators > 0);
+}
+
+// Allocate a blank resource, and return associated ID. Must be called with
+// resource_lock held.
+size_t allocate_resource(void) {
+ // use next_id to optimize expected placement of next new resource.
+ static size_t next_id = 0;
+ size_t id = n_resources; // resource ID - initialize to invalid value.
+ // Expand resources if needed.
+ if (n_resources == n_defined_resources) {
+ size_t new_n_resources = n_resources ? n_resources * 2 : 2;
+ resource **new_resources = gpr_malloc(new_n_resources * sizeof(resource *));
+ memcpy(new_resources, resources, n_resources * sizeof(resource *));
+ memset(new_resources + n_resources, 0,
+ (new_n_resources - n_resources) * sizeof(resource *));
+ gpr_free(resources);
+ resources = new_resources;
+ n_resources = new_n_resources;
+ id = n_defined_resources;
+ } else {
+ GPR_ASSERT(n_defined_resources < n_resources);
+ // Find a free id.
+ for (size_t base = 0; base < n_resources; base++) {
+ id = (next_id + base) % n_resources;
+ if (resources[id] == NULL) break;
+ }
+ }
+ GPR_ASSERT(id < n_resources && resources[id] == NULL);
+ resources[id] = gpr_malloc(sizeof(resource));
+ memset(resources[id], 0, sizeof(resource));
+ n_defined_resources++;
+ next_id = (id + 1) % n_resources;
+ return id;
+}
+
+int32_t census_define_resource(const uint8_t *resource_pb,
+ size_t resource_pb_size) {
+ if (resource_pb == NULL) {
+ return -1;
+ }
+ gpr_mu_lock(&resource_lock);
+ size_t id = allocate_resource();
+ // Validate pb, extract name.
+ if (!validate_resource_pb(resource_pb, resource_pb_size, id)) {
+ delete_resource_locked(id);
+ gpr_mu_unlock(&resource_lock);
+ return -1;
+ }
+ gpr_mu_unlock(&resource_lock);
+ return (int32_t)id;
+}
+
+void census_delete_resource(int32_t rid) {
+ gpr_mu_lock(&resource_lock);
+ if (rid >= 0 && (size_t)rid < n_resources && resources[rid] != NULL) {
+ delete_resource_locked((size_t)rid);
+ }
+ gpr_mu_unlock(&resource_lock);
+}
+
+int32_t census_resource_id(const char *name) {
+ gpr_mu_lock(&resource_lock);
+ for (int32_t id = 0; (size_t)id < n_resources; id++) {
+ if (resources[id] != NULL && strcmp(resources[id]->name, name) == 0) {
+ gpr_mu_unlock(&resource_lock);
+ return id;
+ }
+ }
+ gpr_mu_unlock(&resource_lock);
+ return -1;
+}
+
+int32_t define_resource(const resource *base) {
+ GPR_ASSERT(base != NULL && base->name != NULL && base->n_numerators > 0 &&
+ base->numerators != NULL);
+ gpr_mu_lock(&resource_lock);
+ size_t id = allocate_resource();
+ size_t len = strlen(base->name) + 1;
+ resources[id]->name = gpr_malloc(len);
+ memcpy(resources[id]->name, base->name, len);
+ if (base->description) {
+ len = strlen(base->description) + 1;
+ resources[id]->description = gpr_malloc(len);
+ memcpy(resources[id]->description, base->description, len);
+ }
+ resources[id]->prefix = base->prefix;
+ resources[id]->n_numerators = base->n_numerators;
+ len = (size_t)base->n_numerators * sizeof(*base->numerators);
+ resources[id]->numerators = gpr_malloc(len);
+ memcpy(resources[id]->numerators, base->numerators, len);
+ resources[id]->n_denominators = base->n_denominators;
+ if (base->n_denominators != 0) {
+ len = (size_t)base->n_denominators * sizeof(*base->denominators);
+ resources[id]->denominators = gpr_malloc(len);
+ memcpy(resources[id]->denominators, base->denominators, len);
+ }
+ gpr_mu_unlock(&resource_lock);
+ return (int32_t)id;
+}
diff --git a/src/core/ext/census/resource.h b/src/core/ext/census/resource.h
new file mode 100644
index 0000000000..591bff07da
--- /dev/null
+++ b/src/core/ext/census/resource.h
@@ -0,0 +1,63 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+/* Census-internal resource definition and manipluation functions. */
+#ifndef GRPC_CORE_EXT_CENSUS_RESOURCE_H
+#define GRPC_CORE_EXT_CENSUS_RESOURCE_H
+
+#include <grpc/grpc.h>
+#include "src/core/ext/census/gen/census.pb.h"
+
+/* Internal representation of a resource. */
+typedef struct {
+ char *name;
+ char *description;
+ int32_t prefix;
+ int n_numerators;
+ google_census_Resource_BasicUnit *numerators;
+ int n_denominators;
+ google_census_Resource_BasicUnit *denominators;
+} resource;
+
+/* Initialize and shutdown the resources subsystem. */
+void initialize_resources(void);
+void shutdown_resources(void);
+
+/* Add a new resource, given a proposed resource structure. Returns the
+ resource ID, or -ve on failure.
+ TODO(aveitch): this function exists to support addition of the base
+ resources. It should be removed when we have the ability to add resources
+ from configuration files. */
+int32_t define_resource(const resource *base);
+
+#endif /* GRPC_CORE_EXT_CENSUS_RESOURCE_H */
diff --git a/src/core/ext/client_config/client_channel.c b/src/core/ext/client_config/client_channel.c
index 739487a06b..2c0c4abffc 100644
--- a/src/core/ext/client_config/client_channel.c
+++ b/src/core/ext/client_config/client_channel.c
@@ -436,10 +436,12 @@ static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
grpc_subchannel_call_holder_init(elem->call_data, cc_pick_subchannel, elem,
args->call_stack);
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/ext/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c
index d089cd4399..df35904b85 100644
--- a/src/core/ext/client_config/subchannel.c
+++ b/src/core/ext/client_config/subchannel.c
@@ -702,19 +702,26 @@ grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel(
return GET_CONNECTED_SUBCHANNEL(c, acq);
}
-grpc_subchannel_call *grpc_connected_subchannel_create_call(
+grpc_error *grpc_connected_subchannel_create_call(
grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
- grpc_polling_entity *pollent) {
+ grpc_polling_entity *pollent, grpc_subchannel_call **call) {
grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con);
- grpc_subchannel_call *call =
- gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
- grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(call);
- call->connection = con;
+ *call = gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
+ grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(*call);
+ (*call)->connection = con; // Ref is added below.
+ grpc_error *error =
+ grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, *call,
+ NULL, NULL, callstk);
+ if (error != GRPC_ERROR_NONE) {
+ const char *error_string = grpc_error_string(error);
+ gpr_log(GPR_ERROR, "error: %s", error_string);
+ grpc_error_free_string(error_string);
+ gpr_free(*call);
+ return error;
+ }
GRPC_CONNECTED_SUBCHANNEL_REF(con, "subchannel_call");
- grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, call,
- NULL, NULL, callstk);
grpc_call_stack_set_pollset_or_pollset_set(exec_ctx, callstk, pollent);
- return call;
+ return GRPC_ERROR_NONE;
}
grpc_call_stack *grpc_subchannel_call_get_call_stack(
diff --git a/src/core/ext/client_config/subchannel.h b/src/core/ext/client_config/subchannel.h
index 9fbf3b6123..40d90be124 100644
--- a/src/core/ext/client_config/subchannel.h
+++ b/src/core/ext/client_config/subchannel.h
@@ -108,9 +108,9 @@ void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
/** construct a subchannel call */
-grpc_subchannel_call *grpc_connected_subchannel_create_call(
+grpc_error *grpc_connected_subchannel_create_call(
grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *connected_subchannel,
- grpc_polling_entity *pollent);
+ grpc_polling_entity *pollent, grpc_subchannel_call **subchannel_call);
/** process a transport level op */
void grpc_connected_subchannel_process_transport_op(
diff --git a/src/core/ext/client_config/subchannel_call_holder.c b/src/core/ext/client_config/subchannel_call_holder.c
index b96a0ad093..be6d054af4 100644
--- a/src/core/ext/client_config/subchannel_call_holder.c
+++ b/src/core/ext/client_config/subchannel_call_holder.c
@@ -84,6 +84,11 @@ void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
gpr_free(holder->waiting_ops);
}
+// The logic here is fairly complicated, due to (a) the fact that we
+// need to handle the case where we receive the send op before the
+// initial metadata op, and (b) the need for efficiency, especially in
+// the streaming case.
+// TODO(ctiller): Explain this more thoroughly.
void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
grpc_subchannel_call_holder *holder,
grpc_transport_stream_op *op) {
@@ -121,7 +126,8 @@ retry:
}
/* if this is a cancellation, then we can raise our cancelled flag */
if (op->cancel_error != GRPC_ERROR_NONE) {
- if (!gpr_atm_rel_cas(&holder->subchannel_call, 0, 1)) {
+ if (!gpr_atm_rel_cas(&holder->subchannel_call, 0,
+ (gpr_atm)(uintptr_t)CANCELLED_CALL)) {
goto retry;
} else {
switch (holder->creation_phase) {
@@ -158,10 +164,17 @@ retry:
/* if we've got a subchannel, then let's ask it to create a call */
if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
holder->connected_subchannel != NULL) {
- gpr_atm_rel_store(
- &holder->subchannel_call,
- (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
- exec_ctx, holder->connected_subchannel, holder->pollent));
+ grpc_subchannel_call *subchannel_call = NULL;
+ grpc_error *error = grpc_connected_subchannel_create_call(
+ exec_ctx, holder->connected_subchannel, holder->pollent,
+ &subchannel_call);
+ if (error != GRPC_ERROR_NONE) {
+ subchannel_call = CANCELLED_CALL;
+ fail_locked(exec_ctx, holder, GRPC_ERROR_REF(error));
+ grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error);
+ }
+ gpr_atm_rel_store(&holder->subchannel_call,
+ (gpr_atm)(uintptr_t)subchannel_call);
retry_waiting_locked(exec_ctx, holder);
goto retry;
}
@@ -189,10 +202,17 @@ static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg,
GRPC_ERROR_CREATE_REFERENCING(
"Cancelled before creating subchannel", &error, 1));
} else {
- gpr_atm_rel_store(
- &holder->subchannel_call,
- (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
- exec_ctx, holder->connected_subchannel, holder->pollent));
+ grpc_subchannel_call *subchannel_call = NULL;
+ grpc_error *new_error = grpc_connected_subchannel_create_call(
+ exec_ctx, holder->connected_subchannel, holder->pollent,
+ &subchannel_call);
+ if (new_error != GRPC_ERROR_NONE) {
+ new_error = grpc_error_add_child(new_error, error);
+ subchannel_call = CANCELLED_CALL;
+ fail_locked(exec_ctx, holder, new_error);
+ }
+ gpr_atm_rel_store(&holder->subchannel_call,
+ (gpr_atm)(uintptr_t)subchannel_call);
retry_waiting_locked(exec_ctx, holder);
}
gpr_mu_unlock(&holder->mu);
diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/load_reporting/load_reporting_filter.c
index 99b560ae27..394f0cb832 100644
--- a/src/core/ext/load_reporting/load_reporting_filter.c
+++ b/src/core/ext/load_reporting/load_reporting_filter.c
@@ -107,8 +107,9 @@ static void on_initial_md_ready(grpc_exec_ctx *exec_ctx, void *user_data,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *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));
@@ -125,6 +126,8 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
NULL,
NULL};
*/
+
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
index f9b7347b89..98f304f2da 100644
--- a/src/core/lib/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -157,12 +157,13 @@ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx,
}
}
-void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
- grpc_channel_stack *channel_stack, int initial_refs,
- grpc_iomgr_cb_func destroy, void *destroy_arg,
- grpc_call_context_element *context,
- const void *transport_server_data,
- grpc_call_stack *call_stack) {
+grpc_error *grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
+ grpc_channel_stack *channel_stack,
+ int initial_refs, grpc_iomgr_cb_func destroy,
+ void *destroy_arg,
+ grpc_call_context_element *context,
+ const void *transport_server_data,
+ grpc_call_stack *call_stack) {
grpc_channel_element *channel_elems = CHANNEL_ELEMS_FROM_STACK(channel_stack);
grpc_call_element_args args;
size_t count = channel_stack->count;
@@ -178,6 +179,7 @@ void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
ROUND_UP_TO_ALIGNMENT_SIZE(count * sizeof(grpc_call_element));
/* init per-filter data */
+ grpc_error *first_error = GRPC_ERROR_NONE;
for (i = 0; i < count; i++) {
args.call_stack = call_stack;
args.server_transport_data = transport_server_data;
@@ -185,10 +187,19 @@ void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
call_elems[i].filter = channel_elems[i].filter;
call_elems[i].channel_data = channel_elems[i].channel_data;
call_elems[i].call_data = user_data;
- call_elems[i].filter->init_call_elem(exec_ctx, &call_elems[i], &args);
+ grpc_error *error =
+ call_elems[i].filter->init_call_elem(exec_ctx, &call_elems[i], &args);
+ if (error != GRPC_ERROR_NONE) {
+ if (first_error == GRPC_ERROR_NONE) {
+ first_error = error;
+ } else {
+ GRPC_ERROR_UNREF(error);
+ }
+ }
user_data +=
ROUND_UP_TO_ALIGNMENT_SIZE(call_elems[i].filter->sizeof_call_data);
}
+ return first_error;
}
void grpc_call_stack_set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h
index 19d18ccf93..ee68701456 100644
--- a/src/core/lib/channel/channel_stack.h
+++ b/src/core/lib/channel/channel_stack.h
@@ -115,8 +115,9 @@ typedef struct {
on a client; if it is non-NULL, then it points to memory owned by the
transport and is on the server. Most filters want to ignore this
argument. */
- void (*init_call_elem)(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args);
+ grpc_error *(*init_call_elem)(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args);
void (*set_pollset_or_pollset_set)(grpc_exec_ctx *exec_ctx,
grpc_call_element *elem,
grpc_polling_entity *pollent);
@@ -215,12 +216,13 @@ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx,
/* Initialize a call stack given a channel stack. transport_server_data is
expected to be NULL on a client, or an opaque transport owned pointer on the
server. */
-void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
- grpc_channel_stack *channel_stack, int initial_refs,
- grpc_iomgr_cb_func destroy, void *destroy_arg,
- grpc_call_context_element *context,
- const void *transport_server_data,
- grpc_call_stack *call_stack);
+grpc_error *grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
+ grpc_channel_stack *channel_stack,
+ int initial_refs, grpc_iomgr_cb_func destroy,
+ void *destroy_arg,
+ grpc_call_context_element *context,
+ const void *transport_server_data,
+ grpc_call_stack *call_stack);
/* Set a pollset or a pollset_set for a call stack: must occur before the first
* op is started */
void grpc_call_stack_set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c
index af21ed794d..134180e619 100644
--- a/src/core/lib/channel/compress_filter.c
+++ b/src/core/lib/channel/compress_filter.c
@@ -256,8 +256,9 @@ static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
/* grab pointers to our data from the call element */
call_data *calld = elem->call_data;
@@ -266,6 +267,8 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
calld->has_compression_algorithm = 0;
grpc_closure_init(&calld->got_slice, got_slice, elem);
grpc_closure_init(&calld->send_done, send_done, elem);
+
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/lib/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c
index 73714369cd..918379c845 100644
--- a/src/core/lib/channel/connected_channel.c
+++ b/src/core/lib/channel/connected_channel.c
@@ -81,16 +81,16 @@ static void con_start_transport_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
call_data *calld = elem->call_data;
channel_data *chand = elem->channel_data;
- int r;
-
- r = grpc_transport_init_stream(
+ int r = grpc_transport_init_stream(
exec_ctx, chand->transport, TRANSPORT_STREAM_FROM_CALL_DATA(calld),
&args->call_stack->refcount, args->server_transport_data);
- GPR_ASSERT(r == 0);
+ return r == 0 ? GRPC_ERROR_NONE
+ : GRPC_ERROR_CREATE("transport stream initialization failed");
}
static void set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c
index f1ed22c0ad..a7a775cc53 100644
--- a/src/core/lib/channel/http_client_filter.c
+++ b/src/core/lib/channel/http_client_filter.c
@@ -175,11 +175,13 @@ static void hc_start_transport_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
call_data *calld = elem->call_data;
calld->on_done_recv = NULL;
grpc_closure_init(&calld->hc_on_recv, hc_on_recv, elem);
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c
index d52cc7d018..5ce51f9016 100644
--- a/src/core/lib/channel/http_server_filter.c
+++ b/src/core/lib/channel/http_server_filter.c
@@ -224,13 +224,15 @@ static void hs_start_transport_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
/* grab pointers to our data from the call element */
call_data *calld = elem->call_data;
/* initialize members */
memset(calld, 0, sizeof(*calld));
grpc_closure_init(&calld->hs_on_recv, hs_on_recv, elem);
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/lib/iomgr/error.h b/src/core/lib/iomgr/error.h
index 13f898e31a..bc7781250e 100644
--- a/src/core/lib/iomgr/error.h
+++ b/src/core/lib/iomgr/error.h
@@ -171,6 +171,8 @@ grpc_error *grpc_error_set_time(grpc_error *src, grpc_error_times which,
gpr_timespec value) GRPC_MUST_USE_RESULT;
grpc_error *grpc_error_set_str(grpc_error *src, grpc_error_strs which,
const char *value) GRPC_MUST_USE_RESULT;
+/// Returns NULL if the specified string is not set.
+/// Caller does NOT own return value.
const char *grpc_error_get_str(grpc_error *error, grpc_error_strs which);
/// Add a child error: an error that is believed to have contributed to this
/// error occurring. Allows root causing high level errors from lower level
diff --git a/src/core/lib/security/transport/client_auth_filter.c b/src/core/lib/security/transport/client_auth_filter.c
index 382d30756a..2a1bf4d4e3 100644
--- a/src/core/lib/security/transport/client_auth_filter.c
+++ b/src/core/lib/security/transport/client_auth_filter.c
@@ -267,10 +267,12 @@ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *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(*calld));
+ return GRPC_ERROR_NONE;
}
static void set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c
index bc50f9d1b0..0169ccd9ef 100644
--- a/src/core/lib/security/transport/secure_endpoint.c
+++ b/src/core/lib/security/transport/secure_endpoint.c
@@ -128,7 +128,7 @@ static void flush_read_staging_buffer(secure_endpoint *ep, uint8_t **cur,
static void call_read_cb(grpc_exec_ctx *exec_ctx, secure_endpoint *ep,
grpc_error *error) {
- if (false && grpc_trace_secure_endpoint) {
+ if (grpc_trace_secure_endpoint) {
size_t i;
for (i = 0; i < ep->read_buffer->count; i++) {
char *data = gpr_dump_slice(ep->read_buffer->slices[i],
@@ -256,7 +256,7 @@ static void endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep,
gpr_slice_buffer_reset_and_unref(&ep->output_buffer);
- if (false && grpc_trace_secure_endpoint) {
+ if (grpc_trace_secure_endpoint) {
for (i = 0; i < slices->count; i++) {
char *data =
gpr_dump_slice(slices->slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
diff --git a/src/core/lib/security/transport/server_auth_filter.c b/src/core/lib/security/transport/server_auth_filter.c
index 5f3d0dcd6e..def16c8229 100644
--- a/src/core/lib/security/transport/server_auth_filter.c
+++ b/src/core/lib/security/transport/server_auth_filter.c
@@ -199,8 +199,9 @@ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx,
}
/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
/* grab pointers to our data from the call element */
call_data *calld = elem->call_data;
channel_data *chand = elem->channel_data;
@@ -222,6 +223,8 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
args->context[GRPC_CONTEXT_SECURITY].value = server_ctx;
args->context[GRPC_CONTEXT_SECURITY].destroy =
grpc_server_security_context_destroy;
+
+ return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 70c94791f8..772681109a 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -264,9 +264,19 @@ grpc_call *grpc_call_create(
gpr_convert_clock_type(send_deadline, GPR_CLOCK_MONOTONIC);
GRPC_CHANNEL_INTERNAL_REF(channel, "call");
/* initial refcount dropped by grpc_call_destroy */
- grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call,
- call->context, server_transport_data,
- CALL_STACK_FROM_CALL(call));
+ grpc_error *error = grpc_call_stack_init(
+ &exec_ctx, channel_stack, 1, destroy_call, call, call->context,
+ server_transport_data, CALL_STACK_FROM_CALL(call));
+ if (error != GRPC_ERROR_NONE) {
+ intptr_t status;
+ if (!grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status))
+ status = GRPC_STATUS_UNKNOWN;
+ const char *error_str =
+ grpc_error_get_str(error, GRPC_ERROR_STR_DESCRIPTION);
+ close_with_status(&exec_ctx, call, (grpc_status_code)status,
+ error_str == NULL ? "unknown error" : error_str);
+ GRPC_ERROR_UNREF(error);
+ }
if (cq != NULL) {
GPR_ASSERT(
pollset_set_alternative == NULL &&
@@ -1367,6 +1377,9 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
int num_completion_callbacks_needed = 1;
grpc_call_error error = GRPC_CALL_OK;
+ // sent_initial_metadata guards against variable reuse.
+ grpc_metadata compression_md;
+
GPR_TIMER_BEGIN("grpc_call_start_batch", 0);
GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, notify_tag);
@@ -1412,8 +1425,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
goto done_with_error;
}
/* process compression level */
- grpc_metadata compression_md;
- memset(&compression_md, 0, sizeof(grpc_metadata));
+ memset(&compression_md, 0, sizeof(compression_md));
size_t additional_metadata_count = 0;
grpc_compression_level effective_compression_level;
bool level_set = false;
diff --git a/src/core/lib/surface/lame_client.c b/src/core/lib/surface/lame_client.c
index 0d3168e56a..19b78369dd 100644
--- a/src/core/lib/surface/lame_client.c
+++ b/src/core/lib/surface/lame_client.c
@@ -107,8 +107,11 @@ static void lame_start_transport_op(grpc_exec_ctx *exec_ctx,
GRPC_ERROR_UNREF(op->disconnect_with_error);
}
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {}
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
+ return GRPC_ERROR_NONE;
+}
static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
const grpc_call_final_info *final_info,
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c
index a482ba43d8..1d61ec3bbb 100644
--- a/src/core/lib/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -856,8 +856,9 @@ static void channel_connectivity_changed(grpc_exec_ctx *exec_ctx, void *cd,
}
}
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
- grpc_call_element_args *args) {
+static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_call_element_args *args) {
call_data *calld = elem->call_data;
channel_data *chand = elem->channel_data;
memset(calld, 0, sizeof(call_data));
@@ -869,6 +870,7 @@ static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
server_on_recv_initial_metadata, elem);
server_ref(chand->server);
+ return GRPC_ERROR_NONE;
}
static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
diff --git a/src/core/lib/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c
index c396c1e0b5..8f3e5b5b40 100644
--- a/src/core/lib/transport/static_metadata.c
+++ b/src/core/lib/transport/static_metadata.c
@@ -51,15 +51,15 @@ uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
const uint8_t grpc_static_metadata_elem_indices[GRPC_STATIC_MDELEM_COUNT * 2] =
- {11, 35, 10, 35, 12, 35, 12, 49, 13, 35, 14, 35, 15, 35, 16, 35, 17, 35,
- 19, 35, 20, 35, 21, 35, 24, 35, 25, 35, 26, 35, 27, 35, 28, 35, 29, 35,
- 30, 18, 30, 35, 31, 35, 32, 35, 36, 35, 37, 35, 38, 35, 39, 35, 42, 33,
- 42, 34, 42, 48, 42, 53, 42, 54, 42, 55, 42, 56, 43, 33, 43, 48, 43, 53,
- 46, 0, 46, 1, 46, 2, 50, 35, 57, 35, 58, 35, 59, 35, 60, 35, 61, 35,
- 62, 35, 63, 35, 64, 35, 65, 35, 66, 35, 67, 35, 68, 40, 68, 70, 68, 73,
- 69, 81, 69, 82, 71, 35, 72, 35, 74, 35, 75, 35, 76, 35, 77, 35, 78, 41,
- 78, 51, 78, 52, 79, 35, 80, 35, 83, 3, 83, 4, 83, 5, 83, 6, 83, 7,
- 83, 8, 83, 9, 84, 35, 85, 86, 87, 35, 88, 35, 89, 35, 90, 35, 91, 35};
+ {11, 33, 10, 33, 12, 33, 12, 49, 13, 33, 14, 33, 15, 33, 16, 33, 17, 33,
+ 19, 33, 20, 33, 21, 33, 22, 33, 23, 33, 24, 33, 25, 33, 26, 33, 27, 33,
+ 28, 18, 28, 33, 29, 33, 30, 33, 34, 33, 35, 33, 36, 33, 37, 33, 40, 31,
+ 40, 32, 40, 48, 40, 53, 40, 54, 40, 55, 40, 56, 42, 31, 42, 48, 42, 53,
+ 45, 0, 45, 1, 45, 2, 50, 33, 57, 33, 58, 33, 59, 33, 60, 33, 61, 33,
+ 62, 33, 63, 33, 64, 33, 65, 33, 66, 33, 67, 33, 68, 38, 68, 70, 68, 73,
+ 69, 81, 69, 82, 71, 33, 72, 33, 74, 33, 75, 33, 76, 33, 77, 33, 78, 39,
+ 78, 51, 78, 52, 79, 33, 80, 33, 83, 3, 83, 4, 83, 5, 83, 6, 83, 7,
+ 83, 8, 83, 9, 84, 33, 85, 86, 87, 33, 88, 33, 89, 33, 90, 33, 91, 33};
const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT] = {
"0",
@@ -84,8 +84,6 @@ const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT] = {
":authority",
"authorization",
"cache-control",
- "census-bin",
- "census-binary-bin",
"content-disposition",
"content-encoding",
"content-language",
@@ -105,11 +103,13 @@ const char *const grpc_static_metadata_strings[GRPC_STATIC_MDSTR_COUNT] = {
"GET",
"grpc",
"grpc-accept-encoding",
+ "grpc-census-bin",
"grpc-encoding",
"grpc-internal-encoding-request",
"grpc-message",
"grpc-status",
"grpc-timeout",
+ "grpc-tracing-bin",
"gzip",
"gzip, deflate",
"host",
diff --git a/src/core/lib/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
index 491c8cf125..b51bacac50 100644
--- a/src/core/lib/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -90,58 +90,58 @@ extern grpc_mdstr grpc_static_mdstr_table[GRPC_STATIC_MDSTR_COUNT];
#define GRPC_MDSTR_AUTHORIZATION (&grpc_static_mdstr_table[20])
/* "cache-control" */
#define GRPC_MDSTR_CACHE_CONTROL (&grpc_static_mdstr_table[21])
-/* "census-bin" */
-#define GRPC_MDSTR_CENSUS_BIN (&grpc_static_mdstr_table[22])
-/* "census-binary-bin" */
-#define GRPC_MDSTR_CENSUS_BINARY_BIN (&grpc_static_mdstr_table[23])
/* "content-disposition" */
-#define GRPC_MDSTR_CONTENT_DISPOSITION (&grpc_static_mdstr_table[24])
+#define GRPC_MDSTR_CONTENT_DISPOSITION (&grpc_static_mdstr_table[22])
/* "content-encoding" */
-#define GRPC_MDSTR_CONTENT_ENCODING (&grpc_static_mdstr_table[25])
+#define GRPC_MDSTR_CONTENT_ENCODING (&grpc_static_mdstr_table[23])
/* "content-language" */
-#define GRPC_MDSTR_CONTENT_LANGUAGE (&grpc_static_mdstr_table[26])
+#define GRPC_MDSTR_CONTENT_LANGUAGE (&grpc_static_mdstr_table[24])
/* "content-length" */
-#define GRPC_MDSTR_CONTENT_LENGTH (&grpc_static_mdstr_table[27])
+#define GRPC_MDSTR_CONTENT_LENGTH (&grpc_static_mdstr_table[25])
/* "content-location" */
-#define GRPC_MDSTR_CONTENT_LOCATION (&grpc_static_mdstr_table[28])
+#define GRPC_MDSTR_CONTENT_LOCATION (&grpc_static_mdstr_table[26])
/* "content-range" */
-#define GRPC_MDSTR_CONTENT_RANGE (&grpc_static_mdstr_table[29])
+#define GRPC_MDSTR_CONTENT_RANGE (&grpc_static_mdstr_table[27])
/* "content-type" */
-#define GRPC_MDSTR_CONTENT_TYPE (&grpc_static_mdstr_table[30])
+#define GRPC_MDSTR_CONTENT_TYPE (&grpc_static_mdstr_table[28])
/* "cookie" */
-#define GRPC_MDSTR_COOKIE (&grpc_static_mdstr_table[31])
+#define GRPC_MDSTR_COOKIE (&grpc_static_mdstr_table[29])
/* "date" */
-#define GRPC_MDSTR_DATE (&grpc_static_mdstr_table[32])
+#define GRPC_MDSTR_DATE (&grpc_static_mdstr_table[30])
/* "deflate" */
-#define GRPC_MDSTR_DEFLATE (&grpc_static_mdstr_table[33])
+#define GRPC_MDSTR_DEFLATE (&grpc_static_mdstr_table[31])
/* "deflate,gzip" */
-#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (&grpc_static_mdstr_table[34])
+#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (&grpc_static_mdstr_table[32])
/* "" */
-#define GRPC_MDSTR_EMPTY (&grpc_static_mdstr_table[35])
+#define GRPC_MDSTR_EMPTY (&grpc_static_mdstr_table[33])
/* "etag" */
-#define GRPC_MDSTR_ETAG (&grpc_static_mdstr_table[36])
+#define GRPC_MDSTR_ETAG (&grpc_static_mdstr_table[34])
/* "expect" */
-#define GRPC_MDSTR_EXPECT (&grpc_static_mdstr_table[37])
+#define GRPC_MDSTR_EXPECT (&grpc_static_mdstr_table[35])
/* "expires" */
-#define GRPC_MDSTR_EXPIRES (&grpc_static_mdstr_table[38])
+#define GRPC_MDSTR_EXPIRES (&grpc_static_mdstr_table[36])
/* "from" */
-#define GRPC_MDSTR_FROM (&grpc_static_mdstr_table[39])
+#define GRPC_MDSTR_FROM (&grpc_static_mdstr_table[37])
/* "GET" */
-#define GRPC_MDSTR_GET (&grpc_static_mdstr_table[40])
+#define GRPC_MDSTR_GET (&grpc_static_mdstr_table[38])
/* "grpc" */
-#define GRPC_MDSTR_GRPC (&grpc_static_mdstr_table[41])
+#define GRPC_MDSTR_GRPC (&grpc_static_mdstr_table[39])
/* "grpc-accept-encoding" */
-#define GRPC_MDSTR_GRPC_ACCEPT_ENCODING (&grpc_static_mdstr_table[42])
+#define GRPC_MDSTR_GRPC_ACCEPT_ENCODING (&grpc_static_mdstr_table[40])
+/* "grpc-census-bin" */
+#define GRPC_MDSTR_GRPC_CENSUS_BIN (&grpc_static_mdstr_table[41])
/* "grpc-encoding" */
-#define GRPC_MDSTR_GRPC_ENCODING (&grpc_static_mdstr_table[43])
+#define GRPC_MDSTR_GRPC_ENCODING (&grpc_static_mdstr_table[42])
/* "grpc-internal-encoding-request" */
-#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (&grpc_static_mdstr_table[44])
+#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (&grpc_static_mdstr_table[43])
/* "grpc-message" */
-#define GRPC_MDSTR_GRPC_MESSAGE (&grpc_static_mdstr_table[45])
+#define GRPC_MDSTR_GRPC_MESSAGE (&grpc_static_mdstr_table[44])
/* "grpc-status" */
-#define GRPC_MDSTR_GRPC_STATUS (&grpc_static_mdstr_table[46])
+#define GRPC_MDSTR_GRPC_STATUS (&grpc_static_mdstr_table[45])
/* "grpc-timeout" */
-#define GRPC_MDSTR_GRPC_TIMEOUT (&grpc_static_mdstr_table[47])
+#define GRPC_MDSTR_GRPC_TIMEOUT (&grpc_static_mdstr_table[46])
+/* "grpc-tracing-bin" */
+#define GRPC_MDSTR_GRPC_TRACING_BIN (&grpc_static_mdstr_table[47])
/* "gzip" */
#define GRPC_MDSTR_GZIP (&grpc_static_mdstr_table[48])
/* "gzip, deflate" */
diff --git a/src/proto/census/census.proto b/src/proto/census/census.proto
index c869d851ff..c2a594b641 100644
--- a/src/proto/census/census.proto
+++ b/src/proto/census/census.proto
@@ -33,12 +33,12 @@ package google.census;
// All the census protos.
//
-// Nomenclature note: capitalized names below (like Metric) are protos.
+// Nomenclature note: capitalized names below (like Resource) are protos.
//
-// Census lets you define a Metric - something which can be measured, like the
+// Census lets you define a Resource - something which can be measured, like the
// latency of an RPC, the number of CPU cycles spent on an operation, or
// anything else you care to measure. You can record individual instances of
-// measurements (a double value) for every metric of interest. These
+// measurements (a double value) for every Resource of interest. These
// individual measurements are aggregated together into an Aggregation. There
// are two Aggregation types available: Distribution (describes the
// distribution of all measurements, possibly with a histogram) and
@@ -47,8 +47,8 @@ package google.census;
//
// You can define how your stats are broken down by Tag values and which
// Aggregations to use through a View. The corresponding combination of
-// Metric/View/Aggregation which is available to census clients is called a
-// ViewAggregation.
+// Resource/View/Aggregation which is available to census clients is called a
+// Metric.
// The following two types are copied from
@@ -85,26 +85,23 @@ message Timestamp {
int32 nanos = 2;
}
-// Describes a metric
-message Metric {
- // name of metric, e.g. rpc_latency, cpu.
+// Describes a Resource.
+message Resource {
+ // name of resource, e.g. rpc_latency, cpu. Must be unique.
string name = 1;
- // More detailed description of the metric, used in documentation.
+ // More detailed description of the resource, used in documentation.
string description = 2;
// Fundamental units of measurement supported by Census
// TODO(aveitch): expand this to include other S.I. units?
- message BasicUnit {
- enum Measure {
- UNKNOWN = 0;
- BITS = 1;
- BYTES = 2;
- SECS = 3;
- CORES = 4;
- MAX_UNITS = 5;
- }
- Measure type = 1;
+ enum BasicUnit {
+ UNKNOWN = 0;
+ BITS = 1;
+ BYTES = 2;
+ SECS = 3;
+ CORES = 4;
+ MAX_UNITS = 5;
}
// MeasurementUnit lets you build compound units of the form
@@ -124,7 +121,7 @@ message Metric {
// denominator: SECS
// denominator: SECS
//
- // To specify multiples (in power of 10) units, specify a non-zero prefix
+ // To specify multiples (in power of 10) of units, specify a non-zero prefix
// value, for example:
//
// - MB/s (i.e. megabytes / s):
@@ -141,32 +138,40 @@ message Metric {
repeated BasicUnit denominator = 3;
}
- // The units in which the Metric value is reported.
+ // The units in which Resource values are measured.
MeasurementUnit unit = 3;
-
- // Metrics will be assigned an ID when registered. Invalid if <= 0.
- int32 id = 4;
}
-// An Aggregation summarizes a series of individual Metric measurements, an
+// An Aggregation summarizes a series of individual Resource measurements, an
// AggregationDescriptor describes an Aggregation.
message AggregationDescriptor {
- // At most one set of options. If neither option is set, a default type
- // of Distribution (without a histogram component) will be used.
+ enum AggregationType {
+ // Unspecified. Should not be used.
+ UNKNOWN = 0;
+ // A count of measurements made.
+ COUNT = 1;
+ // A Distribution.
+ DISTRIBUTION = 2;
+ // Counts over fixed time intervals.
+ INTERVAL = 3;
+ }
+ // The type of Aggregation.
+ AggregationType type = 1;
+
+ // At most one set of options. It is illegal to specifiy an option for
+ // COUNT Aggregations. interval_boundaries must be set for INTERVAL types.
+ // bucket_boundaries are optional for DISTRIBUTION types.
oneof options {
- // Defines the histogram bucket boundaries for Distributions.
- BucketBoundaries bucket_boundaries = 1;
+ // Defines histogram bucket boundaries for Distributions.
+ BucketBoundaries bucket_boundaries = 2;
// Defines the time windows to record for IntervalStats.
- IntervalBoundaries interval_boundaries = 2;
+ IntervalBoundaries interval_boundaries = 3;
}
// A Distribution may optionally contain a histogram of the values in the
- // population. The bucket boundaries for that histogram is described by
- // `bucket_boundaries`.
- //
- // Describes histogram bucket boundaries. Defines `size(bounds) + 1` (= N)
- // buckets (for size(bounds) >= 1; if size(bounds) == 0, then no histogram
- // will be defined. The boundaries for bucket index i are:
+ // population. The bucket boundaries for that histogram are described by
+ // `bucket_boundaries`. This defines `size(bounds) + 1` (= N) buckets. The
+ // boundaries for bucket index i are:
//
// [-infinity, bounds[i]) for i == 0
// [bounds[i-1], bounds[i]) for 0 < i < N-2
@@ -196,8 +201,8 @@ message AggregationDescriptor {
// a specified set of histogram buckets, as defined in
// Aggregation.bucket_options.
//
-// The summary statistics are the count, mean, sum of the squared deviation from
-// the mean, the minimum, and the maximum of the set of population of values.
+// The summary statistics are the count, mean, minimum, and the maximum of the
+// set of population of values.
//
// Although it is not forbidden, it is generally a bad idea to include
// non-finite values (infinities or NaNs) in the population of values, as this
@@ -243,7 +248,7 @@ message Distribution {
message IntervalStats {
// Summary statistic over a single time window.
message Window {
- // The window duration.
+ // The window duration. Must be positive.
Duration window_size = 1;
// The number of measurements in this window.
int64 count = 2;
@@ -251,7 +256,7 @@ message IntervalStats {
double mean = 3;
}
- // Full set of windows for this metric.
+ // Full set of windows for this aggregation.
repeated Window window = 1;
}
@@ -264,24 +269,24 @@ message Tag {
// A View specifies an Aggregation and a set of tag keys. The Aggregation will
// be broken down by the unique set of matching tag values for each measurement.
message View {
- // Name of view.
+ // Name of view. Must be unique.
string name = 1;
// More detailed description, for documentation purposes.
string description = 2;
- // ID of Metric to associate with this View.
- int32 metric_id = 3;
+ // Name of Resource to be broken down for this view.
+ string resource_name = 3;
// Aggregation type to associate with this View.
AggregationDescriptor aggregation = 4;
- // Tag keys to match with a given Metric. If no keys are specified, then all
- // stats for the Metric are recorded. Keys must be unique.
+ // Tag keys to match with a given Resource measurement. If no keys are
+ // specified, then all stats are recorded. Keys must be unique.
repeated string tag_key = 5;
}
-// An Aggregation summarizes a series of individual Metric measures.
+// An Aggregation summarizes a series of individual Resource measurements.
message Aggregation {
// Name of this aggregation.
string name = 1;
@@ -291,23 +296,27 @@ message Aggregation {
// The data for this Aggregation.
oneof data {
- Distribution distribution = 3;
- IntervalStats interval_stats = 4;
+ uint64 count = 3;
+ Distribution distribution = 4;
+ IntervalStats interval_stats = 5;
}
// Tags associated with this Aggregation.
- repeated Tag tag = 5;
+ repeated Tag tag = 6;
}
-// A ViewAggregations represents all the Aggregations for a particular view.
-message ViewAggregations {
+// A Metric represents all the Aggregations for a particular view.
+message Metric {
+ // View associated with this Metric.
+ string view_name = 1;
+
// Aggregations - each will have a unique set of tag values for the tag_keys
// associated with the corresponding View.
- repeated Aggregation aggregation = 1;
+ repeated Aggregation aggregation = 2;
- // Start and end timestamps over which the value was accumulated. These
+ // Start and end timestamps over which the metric was accumulated. These
// values are not relevant/defined for IntervalStats aggregations, which are
// always accumulated over a fixed time period.
- Timestamp start = 2;
- Timestamp end = 3;
+ Timestamp start = 3;
+ Timestamp end = 4;
}
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index a029005753..969e7b0920 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -253,6 +253,7 @@ CORE_SOURCE_FILES = [
'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
'src/core/ext/load_reporting/load_reporting.c',
'src/core/ext/load_reporting/load_reporting_filter.c',
+ 'src/core/ext/census/base_resources.c',
'src/core/ext/census/context.c',
'src/core/ext/census/gen/census.pb.c',
'src/core/ext/census/grpc_context.c',
@@ -262,6 +263,7 @@ CORE_SOURCE_FILES = [
'src/core/ext/census/mlog.c',
'src/core/ext/census/operation.c',
'src/core/ext/census/placeholders.c',
+ 'src/core/ext/census/resource.c',
'src/core/ext/census/tracing.c',
'src/core/plugin_registry/grpc_plugin_registry.c',
'src/boringssl/err_data.c',
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.c b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
index d7f862cd9c..aee57b11aa 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.c
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.c
@@ -61,15 +61,10 @@ census_trace_print_type census_trace_print_import;
census_trace_scan_start_type census_trace_scan_start_import;
census_get_trace_record_type census_get_trace_record_import;
census_trace_scan_end_type census_trace_scan_end_import;
+census_define_resource_type census_define_resource_import;
+census_delete_resource_type census_delete_resource_import;
+census_resource_id_type census_resource_id_import;
census_record_values_type census_record_values_import;
-census_view_create_type census_view_create_import;
-census_view_delete_type census_view_delete_import;
-census_view_metric_type census_view_metric_import;
-census_view_naggregations_type census_view_naggregations_import;
-census_view_tags_type census_view_tags_import;
-census_view_aggregrations_type census_view_aggregrations_import;
-census_view_get_data_type census_view_get_data_import;
-census_view_reset_type census_view_reset_import;
grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_import;
grpc_compression_algorithm_name_type grpc_compression_algorithm_name_import;
grpc_compression_algorithm_for_level_type grpc_compression_algorithm_for_level_import;
@@ -334,15 +329,10 @@ void grpc_rb_load_imports(HMODULE library) {
census_trace_scan_start_import = (census_trace_scan_start_type) GetProcAddress(library, "census_trace_scan_start");
census_get_trace_record_import = (census_get_trace_record_type) GetProcAddress(library, "census_get_trace_record");
census_trace_scan_end_import = (census_trace_scan_end_type) GetProcAddress(library, "census_trace_scan_end");
+ census_define_resource_import = (census_define_resource_type) GetProcAddress(library, "census_define_resource");
+ census_delete_resource_import = (census_delete_resource_type) GetProcAddress(library, "census_delete_resource");
+ census_resource_id_import = (census_resource_id_type) GetProcAddress(library, "census_resource_id");
census_record_values_import = (census_record_values_type) GetProcAddress(library, "census_record_values");
- census_view_create_import = (census_view_create_type) GetProcAddress(library, "census_view_create");
- census_view_delete_import = (census_view_delete_type) GetProcAddress(library, "census_view_delete");
- census_view_metric_import = (census_view_metric_type) GetProcAddress(library, "census_view_metric");
- census_view_naggregations_import = (census_view_naggregations_type) GetProcAddress(library, "census_view_naggregations");
- census_view_tags_import = (census_view_tags_type) GetProcAddress(library, "census_view_tags");
- census_view_aggregrations_import = (census_view_aggregrations_type) GetProcAddress(library, "census_view_aggregrations");
- census_view_get_data_import = (census_view_get_data_type) GetProcAddress(library, "census_view_get_data");
- census_view_reset_import = (census_view_reset_type) GetProcAddress(library, "census_view_reset");
grpc_compression_algorithm_parse_import = (grpc_compression_algorithm_parse_type) GetProcAddress(library, "grpc_compression_algorithm_parse");
grpc_compression_algorithm_name_import = (grpc_compression_algorithm_name_type) GetProcAddress(library, "grpc_compression_algorithm_name");
grpc_compression_algorithm_for_level_import = (grpc_compression_algorithm_for_level_type) GetProcAddress(library, "grpc_compression_algorithm_for_level");
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
index 14da63780c..3bb76fbb97 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
@@ -134,33 +134,18 @@ extern census_get_trace_record_type census_get_trace_record_import;
typedef void(*census_trace_scan_end_type)();
extern census_trace_scan_end_type census_trace_scan_end_import;
#define census_trace_scan_end census_trace_scan_end_import
+typedef int32_t(*census_define_resource_type)(const uint8_t *resource_pb, size_t resource_pb_size);
+extern census_define_resource_type census_define_resource_import;
+#define census_define_resource census_define_resource_import
+typedef void(*census_delete_resource_type)(int32_t resource_id);
+extern census_delete_resource_type census_delete_resource_import;
+#define census_delete_resource census_delete_resource_import
+typedef int32_t(*census_resource_id_type)(const char *name);
+extern census_resource_id_type census_resource_id_import;
+#define census_resource_id census_resource_id_import
typedef void(*census_record_values_type)(census_context *context, census_value *values, size_t nvalues);
extern census_record_values_type census_record_values_import;
#define census_record_values census_record_values_import
-typedef census_view *(*census_view_create_type)(uint32_t metric_id, const census_context *tags, const census_aggregation *aggregations, size_t naggregations);
-extern census_view_create_type census_view_create_import;
-#define census_view_create census_view_create_import
-typedef void(*census_view_delete_type)(census_view *view);
-extern census_view_delete_type census_view_delete_import;
-#define census_view_delete census_view_delete_import
-typedef size_t(*census_view_metric_type)(const census_view *view);
-extern census_view_metric_type census_view_metric_import;
-#define census_view_metric census_view_metric_import
-typedef size_t(*census_view_naggregations_type)(const census_view *view);
-extern census_view_naggregations_type census_view_naggregations_import;
-#define census_view_naggregations census_view_naggregations_import
-typedef const census_context *(*census_view_tags_type)(const census_view *view);
-extern census_view_tags_type census_view_tags_import;
-#define census_view_tags census_view_tags_import
-typedef const census_aggregation *(*census_view_aggregrations_type)(const census_view *view);
-extern census_view_aggregrations_type census_view_aggregrations_import;
-#define census_view_aggregrations census_view_aggregrations_import
-typedef const census_view_data *(*census_view_get_data_type)(const census_view *view);
-extern census_view_get_data_type census_view_get_data_import;
-#define census_view_get_data census_view_get_data_import
-typedef void(*census_view_reset_type)(census_view *view);
-extern census_view_reset_type census_view_reset_import;
-#define census_view_reset census_view_reset_import
typedef int(*grpc_compression_algorithm_parse_type)(const char *name, size_t name_length, grpc_compression_algorithm *algorithm);
extern grpc_compression_algorithm_parse_type grpc_compression_algorithm_parse_import;
#define grpc_compression_algorithm_parse grpc_compression_algorithm_parse_import