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Diffstat (limited to 'src/core/ext/filters/client_channel/method_params.cc')
-rw-r--r--src/core/ext/filters/client_channel/method_params.cc178
1 files changed, 0 insertions, 178 deletions
diff --git a/src/core/ext/filters/client_channel/method_params.cc b/src/core/ext/filters/client_channel/method_params.cc
deleted file mode 100644
index 1f116bb67d..0000000000
--- a/src/core/ext/filters/client_channel/method_params.cc
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- *
- * Copyright 2015 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 <stdio.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-
-#include "src/core/ext/filters/client_channel/method_params.h"
-#include "src/core/lib/channel/status_util.h"
-#include "src/core/lib/gpr/string.h"
-#include "src/core/lib/gprpp/memory.h"
-
-// As per the retry design, we do not allow more than 5 retry attempts.
-#define MAX_MAX_RETRY_ATTEMPTS 5
-
-namespace grpc_core {
-namespace internal {
-
-namespace {
-
-bool ParseWaitForReady(
- grpc_json* field, ClientChannelMethodParams::WaitForReady* wait_for_ready) {
- if (field->type != GRPC_JSON_TRUE && field->type != GRPC_JSON_FALSE) {
- return false;
- }
- *wait_for_ready = field->type == GRPC_JSON_TRUE
- ? ClientChannelMethodParams::WAIT_FOR_READY_TRUE
- : ClientChannelMethodParams::WAIT_FOR_READY_FALSE;
- return true;
-}
-
-// Parses a JSON field of the form generated for a google.proto.Duration
-// proto message, as per:
-// https://developers.google.com/protocol-buffers/docs/proto3#json
-bool ParseDuration(grpc_json* field, grpc_millis* duration) {
- if (field->type != GRPC_JSON_STRING) return false;
- size_t len = strlen(field->value);
- if (field->value[len - 1] != 's') return false;
- UniquePtr<char> buf(gpr_strdup(field->value));
- *(buf.get() + len - 1) = '\0'; // Remove trailing 's'.
- char* decimal_point = strchr(buf.get(), '.');
- int nanos = 0;
- if (decimal_point != nullptr) {
- *decimal_point = '\0';
- nanos = gpr_parse_nonnegative_int(decimal_point + 1);
- if (nanos == -1) {
- return false;
- }
- int num_digits = static_cast<int>(strlen(decimal_point + 1));
- if (num_digits > 9) { // We don't accept greater precision than nanos.
- return false;
- }
- for (int i = 0; i < (9 - num_digits); ++i) {
- nanos *= 10;
- }
- }
- int seconds =
- decimal_point == buf.get() ? 0 : gpr_parse_nonnegative_int(buf.get());
- if (seconds == -1) return false;
- *duration = seconds * GPR_MS_PER_SEC + nanos / GPR_NS_PER_MS;
- return true;
-}
-
-UniquePtr<ClientChannelMethodParams::RetryPolicy> ParseRetryPolicy(
- grpc_json* field) {
- auto retry_policy = MakeUnique<ClientChannelMethodParams::RetryPolicy>();
- if (field->type != GRPC_JSON_OBJECT) return nullptr;
- for (grpc_json* sub_field = field->child; sub_field != nullptr;
- sub_field = sub_field->next) {
- if (sub_field->key == nullptr) return nullptr;
- if (strcmp(sub_field->key, "maxAttempts") == 0) {
- if (retry_policy->max_attempts != 0) return nullptr; // Duplicate.
- if (sub_field->type != GRPC_JSON_NUMBER) return nullptr;
- retry_policy->max_attempts = gpr_parse_nonnegative_int(sub_field->value);
- if (retry_policy->max_attempts <= 1) return nullptr;
- if (retry_policy->max_attempts > MAX_MAX_RETRY_ATTEMPTS) {
- gpr_log(GPR_ERROR,
- "service config: clamped retryPolicy.maxAttempts at %d",
- MAX_MAX_RETRY_ATTEMPTS);
- retry_policy->max_attempts = MAX_MAX_RETRY_ATTEMPTS;
- }
- } else if (strcmp(sub_field->key, "initialBackoff") == 0) {
- if (retry_policy->initial_backoff > 0) return nullptr; // Duplicate.
- if (!ParseDuration(sub_field, &retry_policy->initial_backoff)) {
- return nullptr;
- }
- if (retry_policy->initial_backoff == 0) return nullptr;
- } else if (strcmp(sub_field->key, "maxBackoff") == 0) {
- if (retry_policy->max_backoff > 0) return nullptr; // Duplicate.
- if (!ParseDuration(sub_field, &retry_policy->max_backoff)) {
- return nullptr;
- }
- if (retry_policy->max_backoff == 0) return nullptr;
- } else if (strcmp(sub_field->key, "backoffMultiplier") == 0) {
- if (retry_policy->backoff_multiplier != 0) return nullptr; // Duplicate.
- if (sub_field->type != GRPC_JSON_NUMBER) return nullptr;
- if (sscanf(sub_field->value, "%f", &retry_policy->backoff_multiplier) !=
- 1) {
- return nullptr;
- }
- if (retry_policy->backoff_multiplier <= 0) return nullptr;
- } else if (strcmp(sub_field->key, "retryableStatusCodes") == 0) {
- if (!retry_policy->retryable_status_codes.Empty()) {
- return nullptr; // Duplicate.
- }
- if (sub_field->type != GRPC_JSON_ARRAY) return nullptr;
- for (grpc_json* element = sub_field->child; element != nullptr;
- element = element->next) {
- if (element->type != GRPC_JSON_STRING) return nullptr;
- grpc_status_code status;
- if (!grpc_status_code_from_string(element->value, &status)) {
- return nullptr;
- }
- retry_policy->retryable_status_codes.Add(status);
- }
- if (retry_policy->retryable_status_codes.Empty()) return nullptr;
- }
- }
- // Make sure required fields are set.
- if (retry_policy->max_attempts == 0 || retry_policy->initial_backoff == 0 ||
- retry_policy->max_backoff == 0 || retry_policy->backoff_multiplier == 0 ||
- retry_policy->retryable_status_codes.Empty()) {
- return nullptr;
- }
- return retry_policy;
-}
-
-} // namespace
-
-RefCountedPtr<ClientChannelMethodParams>
-ClientChannelMethodParams::CreateFromJson(const grpc_json* json) {
- RefCountedPtr<ClientChannelMethodParams> method_params =
- MakeRefCounted<ClientChannelMethodParams>();
- for (grpc_json* field = json->child; field != nullptr; field = field->next) {
- if (field->key == nullptr) continue;
- if (strcmp(field->key, "waitForReady") == 0) {
- if (method_params->wait_for_ready_ != WAIT_FOR_READY_UNSET) {
- return nullptr; // Duplicate.
- }
- if (!ParseWaitForReady(field, &method_params->wait_for_ready_)) {
- return nullptr;
- }
- } else if (strcmp(field->key, "timeout") == 0) {
- if (method_params->timeout_ > 0) return nullptr; // Duplicate.
- if (!ParseDuration(field, &method_params->timeout_)) return nullptr;
- } else if (strcmp(field->key, "retryPolicy") == 0) {
- if (method_params->retry_policy_ != nullptr) {
- return nullptr; // Duplicate.
- }
- method_params->retry_policy_ = ParseRetryPolicy(field);
- if (method_params->retry_policy_ == nullptr) return nullptr;
- }
- }
- return method_params;
-}
-
-} // namespace internal
-} // namespace grpc_core
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-05 10:05:26 +0000