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7c673cae | 1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
11fdf7f2 TL |
2 | // This source code is licensed under both the GPLv2 (found in the |
3 | // COPYING file in the root directory) and Apache 2.0 License | |
4 | // (found in the LICENSE.Apache file in the root directory). | |
7c673cae FG |
5 | // |
6 | // Copyright (c) 2011 The LevelDB Authors. All rights reserved. | |
7 | // Use of this source code is governed by a BSD-style license that can be | |
8 | // found in the LICENSE file. See the AUTHORS file for names of contributors. | |
9 | ||
10 | #include "rocksdb/status.h" | |
11 | #include <stdio.h> | |
11fdf7f2 TL |
12 | #ifdef OS_WIN |
13 | #include <string.h> | |
14 | #endif | |
7c673cae FG |
15 | #include <cstring> |
16 | #include "port/port.h" | |
17 | ||
f67539c2 | 18 | namespace ROCKSDB_NAMESPACE { |
7c673cae FG |
19 | |
20 | const char* Status::CopyState(const char* state) { | |
11fdf7f2 TL |
21 | #ifdef OS_WIN |
22 | const size_t cch = std::strlen(state) + 1; // +1 for the null terminator | |
23 | char* result = new char[cch]; | |
f67539c2 TL |
24 | errno_t ret |
25 | #if defined(_MSC_VER) | |
26 | ; | |
27 | #else | |
28 | __attribute__((__unused__)); | |
29 | #endif | |
11fdf7f2 TL |
30 | ret = strncpy_s(result, cch, state, cch - 1); |
31 | result[cch - 1] = '\0'; | |
32 | assert(ret == 0); | |
7c673cae | 33 | return result; |
11fdf7f2 TL |
34 | #else |
35 | const size_t cch = std::strlen(state) + 1; // +1 for the null terminator | |
36 | return std::strncpy(new char[cch], state, cch); | |
37 | #endif | |
7c673cae FG |
38 | } |
39 | ||
11fdf7f2 TL |
40 | static const char* msgs[static_cast<int>(Status::kMaxSubCode)] = { |
41 | "", // kNone | |
42 | "Timeout Acquiring Mutex", // kMutexTimeout | |
43 | "Timeout waiting to lock key", // kLockTimeout | |
44 | "Failed to acquire lock due to max_num_locks limit", // kLockLimit | |
45 | "No space left on device", // kNoSpace | |
46 | "Deadlock", // kDeadlock | |
47 | "Stale file handle", // kStaleFile | |
48 | "Memory limit reached", // kMemoryLimit | |
494da23a TL |
49 | "Space limit reached", // kSpaceLimit |
50 | "No such file or directory", // kPathNotFound | |
f67539c2 TL |
51 | // KMergeOperandsInsufficientCapacity |
52 | "Insufficient capacity for merge operands", | |
53 | // kManualCompactionPaused | |
54 | "Manual compaction paused", | |
20effc67 TL |
55 | " (overwritten)", // kOverwritten, subcode of OK |
56 | "Txn not prepared", // kTxnNotPrepared | |
57 | "IO fenced off", // kIOFenced | |
11fdf7f2 TL |
58 | }; |
59 | ||
60 | Status::Status(Code _code, SubCode _subcode, const Slice& msg, | |
61 | const Slice& msg2) | |
62 | : code_(_code), subcode_(_subcode), sev_(kNoError) { | |
7c673cae FG |
63 | assert(code_ != kOk); |
64 | assert(subcode_ != kMaxSubCode); | |
65 | const size_t len1 = msg.size(); | |
66 | const size_t len2 = msg2.size(); | |
67 | const size_t size = len1 + (len2 ? (2 + len2) : 0); | |
68 | char* const result = new char[size + 1]; // +1 for null terminator | |
69 | memcpy(result, msg.data(), len1); | |
70 | if (len2) { | |
71 | result[len1] = ':'; | |
72 | result[len1 + 1] = ' '; | |
73 | memcpy(result + len1 + 2, msg2.data(), len2); | |
74 | } | |
75 | result[size] = '\0'; // null terminator for C style string | |
76 | state_ = result; | |
77 | } | |
78 | ||
79 | std::string Status::ToString() const { | |
20effc67 TL |
80 | #ifdef ROCKSDB_ASSERT_STATUS_CHECKED |
81 | checked_ = true; | |
82 | #endif // ROCKSDB_ASSERT_STATUS_CHECKED | |
7c673cae FG |
83 | char tmp[30]; |
84 | const char* type; | |
85 | switch (code_) { | |
86 | case kOk: | |
87 | return "OK"; | |
88 | case kNotFound: | |
89 | type = "NotFound: "; | |
90 | break; | |
91 | case kCorruption: | |
92 | type = "Corruption: "; | |
93 | break; | |
94 | case kNotSupported: | |
95 | type = "Not implemented: "; | |
96 | break; | |
97 | case kInvalidArgument: | |
98 | type = "Invalid argument: "; | |
99 | break; | |
100 | case kIOError: | |
101 | type = "IO error: "; | |
102 | break; | |
103 | case kMergeInProgress: | |
104 | type = "Merge in progress: "; | |
105 | break; | |
106 | case kIncomplete: | |
107 | type = "Result incomplete: "; | |
108 | break; | |
109 | case kShutdownInProgress: | |
110 | type = "Shutdown in progress: "; | |
111 | break; | |
112 | case kTimedOut: | |
113 | type = "Operation timed out: "; | |
114 | break; | |
115 | case kAborted: | |
116 | type = "Operation aborted: "; | |
117 | break; | |
118 | case kBusy: | |
119 | type = "Resource busy: "; | |
120 | break; | |
121 | case kExpired: | |
122 | type = "Operation expired: "; | |
123 | break; | |
124 | case kTryAgain: | |
125 | type = "Operation failed. Try again.: "; | |
126 | break; | |
f67539c2 TL |
127 | case kColumnFamilyDropped: |
128 | type = "Column family dropped: "; | |
129 | break; | |
7c673cae FG |
130 | default: |
131 | snprintf(tmp, sizeof(tmp), "Unknown code(%d): ", | |
132 | static_cast<int>(code())); | |
133 | type = tmp; | |
134 | break; | |
135 | } | |
136 | std::string result(type); | |
137 | if (subcode_ != kNone) { | |
138 | uint32_t index = static_cast<int32_t>(subcode_); | |
20effc67 | 139 | assert(sizeof(msgs) / sizeof(msgs[0]) > index); |
7c673cae FG |
140 | result.append(msgs[index]); |
141 | } | |
142 | ||
143 | if (state_ != nullptr) { | |
144 | result.append(state_); | |
145 | } | |
146 | return result; | |
147 | } | |
148 | ||
f67539c2 | 149 | } // namespace ROCKSDB_NAMESPACE |