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Contents
//
//
// Copyright 2020 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 "src/core/lib/json/json_util.h"
#include <grpc/support/string_util.h>
#include "src/core/lib/gpr/string.h"
namespace grpc_core {
bool ParseDurationFromJson(const Json& field, grpc_millis* duration) {
if (field.type() != Json::Type::STRING) return false;
size_t len = field.string_value().size();
if (field.string_value()[len - 1] != 's') return false;
grpc_core::UniquePtr<char> buf(gpr_strdup(field.string_value().c_str()));
*(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;
}
} // namespace grpc_core
Version data entries
17 entries across 17 versions & 1 rubygems