// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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 "util/stack_util.h"

#include <execinfo.h>

#include <signal.h>

#include <stdio.h>

#include <boost/stacktrace.hpp>

#include "common/stack_trace.h"

#include "util/mem_info.h"

#include "util/pretty_printer.h"

namespace google {

namespace glog_internal_namespace_ {

void DumpStackTraceToString(std::string* stacktrace);

}

} // namespace google

namespace doris {

std::string get_stack_trace(int start_pointers_index, std::string dwarf_location_info_mode) {

#ifndef BE_TEST

    if (!config::enable_stacktrace) {

        return "no enable stacktrace";

    }

#endif

    if (dwarf_location_info_mode.empty()) {

        dwarf_location_info_mode = config::dwarf_location_info_mode;

    }

#ifdef BE_TEST

    auto tool = std::string {"libunwind"};

#else

    auto tool = config::get_stack_trace_tool;

#endif

    if (tool == "glog") {

        return get_stack_trace_by_glog();

    } else if (tool == "boost") {

        return get_stack_trace_by_boost();

    } else if (tool == "glibc") {

        return get_stack_trace_by_glibc();

    } else if (tool == "libunwind") {

#if defined(__APPLE__) // TODO

        return get_stack_trace_by_glog();

#endif

        return get_stack_trace_by_libunwind(start_pointers_index, dwarf_location_info_mode);

    } else {

        return "no stack";

    }

}

std::string get_stack_trace_by_glog() {

    std::string s;

    google::glog_internal_namespace_::DumpStackTraceToString(&s);

    return s;

}

std::string get_stack_trace_by_boost() {

    return boost::stacktrace::to_string(boost::stacktrace::stacktrace());

}

std::string get_stack_trace_by_glibc() {

    void* trace[16];

    char** messages = (char**)nullptr;

    int i, trace_size = 0;

    trace_size = backtrace(trace, 16);

    messages = backtrace_symbols(trace, trace_size);

    std::stringstream out;

    for (i = 1; i < trace_size; ++i) {

        out << messages[i] << "\n";

    }

    return out.str();

}

std::string get_stack_trace_by_libunwind(int start_pointers_index,

                                         const std::string& dwarf_location_info_mode) {

    return "\n" + StackTrace().toString(start_pointers_index, dwarf_location_info_mode);

}

} // namespace doris