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/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
#ifndef SRC_TRACE_PROCESSOR_PRELUDE_FUNCTIONS_CLOCK_FUNCTIONS_H_
#define SRC_TRACE_PROCESSOR_PRELUDE_FUNCTIONS_CLOCK_FUNCTIONS_H_
#include <sqlite3.h>
#include <unordered_map>
#include "perfetto/ext/base/base64.h"
#include "protos/perfetto/common/builtin_clock.pbzero.h"
#include "src/trace_processor/importers/common/clock_converter.h"
#include "src/trace_processor/prelude/functions/create_function_internal.h"
#include "src/trace_processor/util/status_macros.h"
#include "src/trace_processor/prelude/functions/register_function.h"
namespace perfetto {
namespace trace_processor {
struct AbsTimeStr : public SqlFunction {
using Context = ClockConverter;
static base::Status Run(ClockConverter* tracker,
size_t argc,
sqlite3_value** argv,
SqlValue& out,
Destructors& destructors);
};
base::Status AbsTimeStr::Run(ClockConverter* tracker,
size_t argc,
sqlite3_value** argv,
SqlValue& out,
Destructors& destructors) {
if (argc != 1) {
return base::ErrStatus("ABS_TIME_STR: 1 arg required");
}
// If the timestamp is null, just return null as the result.
if (sqlite3_value_type(argv[0]) == SQLITE_NULL) {
return base::OkStatus();
}
if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER) {
return base::ErrStatus("ABS_TIME_STR: first argument should be timestamp");
}
int64_t ts = sqlite3_value_int64(argv[0]);
base::StatusOr<std::string> iso8601 = tracker->ToAbsTime(ts);
if (!iso8601.ok()) {
// We are returning an OkStatus, because one bad timestamp shouldn't stop
// the query.
return base::OkStatus();
}
std::unique_ptr<char, base::FreeDeleter> s(
static_cast<char*>(malloc(iso8601->size() + 1)));
memcpy(s.get(), iso8601->c_str(), iso8601->size() + 1);
destructors.string_destructor = free;
out = SqlValue::String(s.release());
return base::OkStatus();
}
struct ToMonotonic : public SqlFunction {
using Context = ClockConverter;
static base::Status Run(ClockConverter* tracker,
size_t argc,
sqlite3_value** argv,
SqlValue& out,
Destructors& destructors);
};
base::Status ToMonotonic::Run(ClockConverter* tracker,
size_t argc,
sqlite3_value** argv,
SqlValue& out,
Destructors&) {
if (argc != 1) {
return base::ErrStatus("TO_MONOTONIC: 1 arg required");
}
// If the timestamp is null, just return null as the result.
if (sqlite3_value_type(argv[0]) == SQLITE_NULL) {
return base::OkStatus();
}
if (sqlite3_value_type(argv[0]) != SQLITE_INTEGER) {
return base::ErrStatus("TO_MONOTONIC: first argument should be timestamp");
}
int64_t ts = sqlite3_value_int64(argv[0]);
base::StatusOr<int64_t> monotonic = tracker->ToMonotonic(ts);
if (!monotonic.ok()) {
// We are returning an OkStatus, because one bad timestamp shouldn't stop
// the query.
return base::OkStatus();
}
out = SqlValue::Long(*monotonic);
return base::OkStatus();
}
} // namespace trace_processor
} // namespace perfetto
#endif // SRC_TRACE_PROCESSOR_PRELUDE_FUNCTIONS_CLOCK_FUNCTIONS_H_
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