83eed0a886
Changes include: * CPU check has been broken up into a number of small libraries * BoringSSL option has been removed * Better abseil integration
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "utils.h"
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#include <sys/time.h>
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#include <unistd.h>
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#include "log.h"
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#include "absl/strings/str_cat.h"
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static const std::string host_name = []() {
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char host[256];
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gethostname(host, sizeof(host));
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const std::string h(host);
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size_t k = h.find('.');
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if (k == std::string::npos) return h;
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return h.substr(0, k);
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}();
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double TimeInSeconds() {
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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return ((tv.tv_sec * 1e6) + tv.tv_usec) / 1e6;
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}
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std::string HexData(const char* s, uint32_t l) {
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const char d[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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std::string o;
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o.resize(l << 1);
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for (uint32_t i = 0; i < l; i++) {
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uint8_t b = s[i];
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o[(i << 1)] = d[(b >> 4) & 0xf];
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o[(i << 1) + 1] = d[b & 0xf];
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}
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return o;
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}
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std::string HexStr(const std::string& s) { return HexData(s.data(), s.size()); }
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std::string Json(const std::string& field, int v) {
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return "\"" + field + "\": " + std::to_string(v);
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}
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std::string Json(const std::string& field, uint64_t v) {
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return "\"" + field + "\": " + std::to_string(v);
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}
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std::string Json(const std::string& field, double v) {
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return "\"" + field + "\": " + std::to_string(v);
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}
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std::string JsonBool(const std::string& field, bool v) {
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return "\"" + field + "\": " + (v ? "true" : "false");
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}
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std::string Json(const std::string& field, absl::string_view v) {
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return absl::StrCat("\"", field, "\": \"", v, "\"");
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}
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std::string JsonRecord(const std::string& name, absl::string_view v) {
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return absl::StrCat("\"", name, "\": { ", v, " }");
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}
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// Emits null field.
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std::string JsonNull(const std::string& field) {
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return "\"" + field + "\": null";
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}
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// Returns host and timestamp fields. ToDo: probably add a run id.
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std::string JTag() {
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const uint64_t t = TimeInSeconds() * 1e6;
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return Json("host", host_name) + ", " + Json("t_us", t);
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}
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// Emits a run status record.
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std::string Jstat(const std::string& v) {
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return "{ " + JsonRecord("stat", v) + ", " + JTag() + " }";
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}
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