mirror of
https://github.com/facebook/rocksdb.git
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d616ebea23
Summary: Closes https://github.com/facebook/rocksdb/pull/2226 Differential Revision: D4967547 Pulled By: siying fbshipit-source-id: dd3b58ae1e7a106ab6bb6f37ab5c88575b125ab4
109 lines
3 KiB
C++
109 lines
3 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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// This source code is also licensed under the GPLv2 license found in the
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// COPYING file in the root directory of this source tree.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include "rocksdb/status.h"
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#include <stdio.h>
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#include <cstring>
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#include "port/port.h"
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namespace rocksdb {
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const char* Status::CopyState(const char* state) {
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char* const result =
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new char[std::strlen(state) + 1]; // +1 for the null terminator
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std::strcpy(result, state);
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return result;
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}
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Status::Status(Code _code, SubCode _subcode, const Slice& msg, const Slice& msg2)
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: code_(_code), subcode_(_subcode) {
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assert(code_ != kOk);
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assert(subcode_ != kMaxSubCode);
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const size_t len1 = msg.size();
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const size_t len2 = msg2.size();
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const size_t size = len1 + (len2 ? (2 + len2) : 0);
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char* const result = new char[size + 1]; // +1 for null terminator
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memcpy(result, msg.data(), len1);
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if (len2) {
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result[len1] = ':';
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result[len1 + 1] = ' ';
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memcpy(result + len1 + 2, msg2.data(), len2);
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}
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result[size] = '\0'; // null terminator for C style string
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state_ = result;
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}
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std::string Status::ToString() const {
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char tmp[30];
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const char* type;
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switch (code_) {
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case kOk:
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return "OK";
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case kNotFound:
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type = "NotFound: ";
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break;
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case kCorruption:
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type = "Corruption: ";
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break;
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case kNotSupported:
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type = "Not implemented: ";
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break;
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case kInvalidArgument:
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type = "Invalid argument: ";
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break;
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case kIOError:
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type = "IO error: ";
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break;
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case kMergeInProgress:
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type = "Merge in progress: ";
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break;
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case kIncomplete:
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type = "Result incomplete: ";
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break;
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case kShutdownInProgress:
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type = "Shutdown in progress: ";
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break;
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case kTimedOut:
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type = "Operation timed out: ";
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break;
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case kAborted:
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type = "Operation aborted: ";
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break;
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case kBusy:
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type = "Resource busy: ";
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break;
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case kExpired:
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type = "Operation expired: ";
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break;
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case kTryAgain:
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type = "Operation failed. Try again.: ";
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break;
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default:
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snprintf(tmp, sizeof(tmp), "Unknown code(%d): ",
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static_cast<int>(code()));
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type = tmp;
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break;
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}
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std::string result(type);
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if (subcode_ != kNone) {
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uint32_t index = static_cast<int32_t>(subcode_);
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assert(sizeof(msgs) > index);
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result.append(msgs[index]);
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}
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if (state_ != nullptr) {
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result.append(state_);
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}
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return result;
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}
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} // namespace rocksdb
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