124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/*
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* Error.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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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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*/
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#include "flow/Error.h"
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#include "flow/Trace.h"
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#include "flow/Knobs.h"
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#include <iostream>
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using std::cout;
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using std::endl;
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using std::make_pair;
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bool g_crashOnError = false;
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std::map<int, int>& Error::errorCounts() {
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static std::map<int, int> counts;
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return counts;
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}
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#include <iostream>
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extern void flushTraceFileVoid();
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Error Error::fromUnvalidatedCode(int code) {
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if (code < 0 || code > 30000) {
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Error e = Error::fromCode(error_code_unknown_error);
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TraceEvent(SevWarn, "ConvertedUnvalidatedErrorCode").error(e).detail("OriginalCode", code);
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return e;
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}
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else
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return Error::fromCode(code);
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}
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Error internal_error_impl( const char* file, int line ) {
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fprintf(stderr, "Internal Error @ %s %d:\n %s\n", file, line, platform::get_backtrace().c_str());
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TraceEvent(SevError, "InternalError")
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.error(Error::fromCode(error_code_internal_error))
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.detail("File", file)
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.detail("Line", line)
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.backtrace();
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flushTraceFileVoid();
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return Error(error_code_internal_error);
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}
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Error::Error(int error_code)
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: error_code(error_code), flags(0)
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{
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if (TRACE_SAMPLE()) TraceEvent(SevSample, "ErrorCreated").detail("ErrorCode", error_code);
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//std::cout << "Error: " << error_code << std::endl;
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if (error_code >= 3000 && error_code < 6000) {
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TraceEvent(SevError, "SystemError").error(*this).backtrace();
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if (g_crashOnError) {
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flushOutputStreams();
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flushTraceFileVoid();
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crashAndDie();
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}
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}
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/*if (error_code)
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errorCounts()[error_code]++;*/
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}
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ErrorCodeTable& Error::errorCodeTable() {
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static ErrorCodeTable table;
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return table;
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}
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const char* Error::name() const {
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auto table = errorCodeTable();
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auto it = table.find(error_code);
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if (it == table.end()) return "UNKNOWN_ERROR";
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return it->second.first;
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}
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const char* Error::what() const {
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auto table = errorCodeTable();
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auto it = table.find(error_code);
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if (it == table.end()) return "UNKNOWN_ERROR";
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return it->second.second;
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}
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void Error::init() {
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errorCodeTable();
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}
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Error Error::asInjectedFault() const {
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Error e = *this;
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e.flags |= FLAG_INJECTED_FAULT;
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return e;
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}
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ErrorCodeTable::ErrorCodeTable() {
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#define ERROR(name, number, description) addCode(number, #name, description); enum { Duplicate_Error_Code_##number = 0 };
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#include "error_definitions.h"
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}
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void ErrorCodeTable::addCode(int code, const char *name, const char *description) {
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(*this)[code] = std::make_pair(name, description);
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}
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bool isAssertDisabled(int line) {
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return FLOW_KNOBS && (FLOW_KNOBS->DISABLE_ASSERTS == -1 || FLOW_KNOBS->DISABLE_ASSERTS == line);
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}
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void breakpoint_me() {
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return;
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}
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