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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <grpc/support/port_platform.h>
#include <limits.h>
#include <string.h>
#include <grpc/load_reporting.h>
#include <grpc/support/alloc.h>
#include <grpc/support/sync.h>
#include "src/core/ext/filters/load_reporting/load_reporting.h"
#include "src/core/ext/filters/load_reporting/load_reporting_filter.h"
#include "src/core/lib/channel/channel_stack_builder.h"
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/surface/call.h"
#include "src/core/lib/surface/channel_init.h"
static bool is_load_reporting_enabled(const grpc_channel_args *a) {
return grpc_channel_arg_get_bool(
grpc_channel_args_find(a, GRPC_ARG_ENABLE_LOAD_REPORTING), false);
}
static bool maybe_add_load_reporting_filter(grpc_exec_ctx *exec_ctx,
grpc_channel_stack_builder *builder,
void *arg) {
const grpc_channel_args *args =
grpc_channel_stack_builder_get_channel_arguments(builder);
if (is_load_reporting_enabled(args)) {
return grpc_channel_stack_builder_prepend_filter(
builder, (const grpc_channel_filter *)arg, NULL, NULL);
}
return true;
}
grpc_arg grpc_load_reporting_enable_arg() {
return grpc_channel_arg_integer_create(GRPC_ARG_ENABLE_LOAD_REPORTING, 1);
}
/* Plugin registration */
void grpc_load_reporting_plugin_init(void) {
grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
maybe_add_load_reporting_filter,
(void *)&grpc_load_reporting_filter);
}
void grpc_load_reporting_plugin_shutdown() {}
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