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/*
* Copyright (C) 2018 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.
*/
#include "src/base/test/utils.h"
#include <stdlib.h>
#include <memory>
#include "perfetto/base/build_config.h"
#include "perfetto/base/logging.h"
#include "perfetto/ext/base/file_utils.h"
#if PERFETTO_BUILDFLAG(PERFETTO_OS_LINUX) || \
PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID) || \
PERFETTO_BUILDFLAG(PERFETTO_OS_APPLE) || \
PERFETTO_BUILDFLAG(PERFETTO_OS_FUCHSIA)
#include <limits.h>
#include <unistd.h>
#endif
#if PERFETTO_BUILDFLAG(PERFETTO_OS_WIN)
#include <Windows.h>
#include <io.h>
#endif
#if PERFETTO_BUILDFLAG(PERFETTO_OS_APPLE)
#include <mach-o/dyld.h>
#endif
namespace perfetto {
namespace base {
std::string GetCurExecutableDir() {
std::string self_path;
#if PERFETTO_BUILDFLAG(PERFETTO_OS_LINUX) || \
PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID) || \
PERFETTO_BUILDFLAG(PERFETTO_OS_FUCHSIA)
char buf[PATH_MAX];
ssize_t size = readlink("/proc/self/exe", buf, sizeof(buf));
PERFETTO_CHECK(size != -1);
// readlink does not null terminate.
self_path = std::string(buf, static_cast<size_t>(size));
#elif PERFETTO_BUILDFLAG(PERFETTO_OS_APPLE)
uint32_t size = 0;
PERFETTO_CHECK(_NSGetExecutablePath(nullptr, &size));
self_path.resize(size);
PERFETTO_CHECK(_NSGetExecutablePath(&self_path[0], &size) == 0);
#elif PERFETTO_BUILDFLAG(PERFETTO_OS_WIN)
char buf[MAX_PATH];
auto len = ::GetModuleFileNameA(nullptr /*current*/, buf, sizeof(buf));
self_path = std::string(buf, len);
self_path = self_path.substr(0, self_path.find_last_of("\\"));
#else
PERFETTO_FATAL(
"GetCurExecutableDir() not implemented on the current platform");
#endif
// Cut binary name.
return self_path.substr(0, self_path.find_last_of("/"));
}
std::string GetTestDataPath(const std::string& path) {
std::string self_path = GetCurExecutableDir();
std::string full_path = self_path + "/../../" + path;
if (FileExists(full_path))
return full_path;
full_path = self_path + "/" + path;
if (FileExists(full_path))
return full_path;
// Fall back to relative to root dir.
return path;
}
std::string HexDump(const void* data_void, size_t len, size_t bytes_per_line) {
const char* data = reinterpret_cast<const char*>(data_void);
std::string res;
static const size_t kPadding = bytes_per_line * 3 + 12;
std::unique_ptr<char[]> line(new char[bytes_per_line * 4 + 128]);
for (size_t i = 0; i < len; i += bytes_per_line) {
char* wptr = line.get();
wptr += sprintf(wptr, "%08zX: ", i);
for (size_t j = i; j < i + bytes_per_line && j < len; j++)
wptr += sprintf(wptr, "%02X ", static_cast<unsigned>(data[j]) & 0xFF);
for (size_t j = static_cast<size_t>(wptr - line.get()); j < kPadding; ++j)
*(wptr++) = ' ';
for (size_t j = i; j < i + bytes_per_line && j < len; j++) {
char c = data[j];
*(wptr++) = (c >= 32 && c < 127) ? c : '.';
}
*(wptr++) = '\n';
*(wptr++) = '\0';
res.append(line.get());
}
return res;
}
} // namespace base
} // namespace perfetto
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