1 | #include "Exception.h" |
2 | |
3 | #include <string.h> |
4 | #include <cxxabi.h> |
5 | #include <Poco/String.h> |
6 | #include <common/logger_useful.h> |
7 | #include <IO/WriteHelpers.h> |
8 | #include <IO/Operators.h> |
9 | #include <IO/ReadBufferFromString.h> |
10 | #include <common/demangle.h> |
11 | #include <Common/config_version.h> |
12 | #include <Common/formatReadable.h> |
13 | #include <Common/filesystemHelpers.h> |
14 | #include <filesystem> |
15 | |
16 | namespace DB |
17 | { |
18 | |
19 | namespace ErrorCodes |
20 | { |
21 | extern const int POCO_EXCEPTION; |
22 | extern const int STD_EXCEPTION; |
23 | extern const int UNKNOWN_EXCEPTION; |
24 | extern const int CANNOT_TRUNCATE_FILE; |
25 | extern const int NOT_IMPLEMENTED; |
26 | } |
27 | |
28 | std::string errnoToString(int code, int e) |
29 | { |
30 | const size_t buf_size = 128; |
31 | char buf[buf_size]; |
32 | #ifndef _GNU_SOURCE |
33 | int rc = strerror_r(e, buf, buf_size); |
34 | #ifdef __APPLE__ |
35 | if (rc != 0 && rc != EINVAL) |
36 | #else |
37 | if (rc != 0) |
38 | #endif |
39 | { |
40 | std::string tmp = std::to_string(code); |
41 | const char * code_str = tmp.c_str(); |
42 | const char * unknown_message = "Unknown error " ; |
43 | strcpy(buf, unknown_message); |
44 | strcpy(buf + strlen(unknown_message), code_str); |
45 | } |
46 | return "errno: " + toString(e) + ", strerror: " + std::string(buf); |
47 | #else |
48 | (void)code; |
49 | return "errno: " + toString(e) + ", strerror: " + std::string(strerror_r(e, buf, sizeof(buf))); |
50 | #endif |
51 | } |
52 | |
53 | void throwFromErrno(const std::string & s, int code, int e) |
54 | { |
55 | throw ErrnoException(s + ", " + errnoToString(code, e), code, e); |
56 | } |
57 | |
58 | void throwFromErrnoWithPath(const std::string & s, const std::string & path, int code, int the_errno) |
59 | { |
60 | throw ErrnoException(s + ", " + errnoToString(code, the_errno), code, the_errno, path); |
61 | } |
62 | |
63 | void tryLogCurrentException(const char * log_name, const std::string & start_of_message) |
64 | { |
65 | tryLogCurrentException(&Logger::get(log_name), start_of_message); |
66 | } |
67 | |
68 | void tryLogCurrentException(Poco::Logger * logger, const std::string & start_of_message) |
69 | { |
70 | try |
71 | { |
72 | LOG_ERROR(logger, start_of_message << (start_of_message.empty() ? "" : ": " ) << getCurrentExceptionMessage(true)); |
73 | } |
74 | catch (...) |
75 | { |
76 | } |
77 | } |
78 | |
79 | static void getNoSpaceLeftInfoMessage(std::filesystem::path path, std::string & msg) |
80 | { |
81 | path = std::filesystem::absolute(path); |
82 | /// It's possible to get ENOSPC for non existent file (e.g. if there are no free inodes and creat() fails) |
83 | /// So try to get info for existent parent directory. |
84 | while (!std::filesystem::exists(path) && path.has_relative_path()) |
85 | path = path.parent_path(); |
86 | |
87 | auto fs = getStatVFS(path); |
88 | msg += "\nTotal space: " + formatReadableSizeWithBinarySuffix(fs.f_blocks * fs.f_bsize) |
89 | + "\nAvailable space: " + formatReadableSizeWithBinarySuffix(fs.f_bavail * fs.f_bsize) |
90 | + "\nTotal inodes: " + formatReadableQuantity(fs.f_files) |
91 | + "\nAvailable inodes: " + formatReadableQuantity(fs.f_favail); |
92 | |
93 | auto mount_point = getMountPoint(path).string(); |
94 | msg += "\nMount point: " + mount_point; |
95 | #if defined(__linux__) |
96 | msg += "\nFilesystem: " + getFilesystemName(mount_point); |
97 | #endif |
98 | } |
99 | |
100 | static std::string (const std::exception & e) |
101 | { |
102 | String msg; |
103 | try |
104 | { |
105 | if (auto file_exception = dynamic_cast<const Poco::FileException *>(&e)) |
106 | { |
107 | if (file_exception->code() == ENOSPC) |
108 | getNoSpaceLeftInfoMessage(file_exception->message(), msg); |
109 | } |
110 | else if (auto errno_exception = dynamic_cast<const DB::ErrnoException *>(&e)) |
111 | { |
112 | if (errno_exception->getErrno() == ENOSPC && errno_exception->getPath()) |
113 | getNoSpaceLeftInfoMessage(errno_exception->getPath().value(), msg); |
114 | } |
115 | } |
116 | catch (...) |
117 | { |
118 | msg += "\nCannot print extra info: " + getCurrentExceptionMessage(false, false, false); |
119 | } |
120 | |
121 | return msg; |
122 | } |
123 | |
124 | std::string getCurrentExceptionMessage(bool with_stacktrace, bool check_embedded_stacktrace /*= false*/, bool /*= true*/) |
125 | { |
126 | std::stringstream stream; |
127 | |
128 | try |
129 | { |
130 | throw; |
131 | } |
132 | catch (const Exception & e) |
133 | { |
134 | stream << getExceptionMessage(e, with_stacktrace, check_embedded_stacktrace) |
135 | << (with_extra_info ? getExtraExceptionInfo(e) : "" ) |
136 | << " (version " << VERSION_STRING << VERSION_OFFICIAL << ")" ; |
137 | } |
138 | catch (const Poco::Exception & e) |
139 | { |
140 | try |
141 | { |
142 | stream << "Poco::Exception. Code: " << ErrorCodes::POCO_EXCEPTION << ", e.code() = " << e.code() |
143 | << ", e.displayText() = " << e.displayText() |
144 | << (with_extra_info ? getExtraExceptionInfo(e) : "" ) |
145 | << " (version " << VERSION_STRING << VERSION_OFFICIAL; |
146 | } |
147 | catch (...) {} |
148 | } |
149 | catch (const std::exception & e) |
150 | { |
151 | try |
152 | { |
153 | int status = 0; |
154 | auto name = demangle(typeid(e).name(), status); |
155 | |
156 | if (status) |
157 | name += " (demangling status: " + toString(status) + ")" ; |
158 | |
159 | stream << "std::exception. Code: " << ErrorCodes::STD_EXCEPTION << ", type: " << name << ", e.what() = " << e.what() |
160 | << (with_extra_info ? getExtraExceptionInfo(e) : "" ) |
161 | << ", version = " << VERSION_STRING << VERSION_OFFICIAL; |
162 | } |
163 | catch (...) {} |
164 | } |
165 | catch (...) |
166 | { |
167 | try |
168 | { |
169 | int status = 0; |
170 | auto name = demangle(abi::__cxa_current_exception_type()->name(), status); |
171 | |
172 | if (status) |
173 | name += " (demangling status: " + toString(status) + ")" ; |
174 | |
175 | stream << "Unknown exception. Code: " << ErrorCodes::UNKNOWN_EXCEPTION << ", type: " << name << " (version " << VERSION_STRING << VERSION_OFFICIAL << ")" ; |
176 | } |
177 | catch (...) {} |
178 | } |
179 | |
180 | return stream.str(); |
181 | } |
182 | |
183 | |
184 | int getCurrentExceptionCode() |
185 | { |
186 | try |
187 | { |
188 | throw; |
189 | } |
190 | catch (const Exception & e) |
191 | { |
192 | return e.code(); |
193 | } |
194 | catch (const Poco::Exception &) |
195 | { |
196 | return ErrorCodes::POCO_EXCEPTION; |
197 | } |
198 | catch (const std::exception &) |
199 | { |
200 | return ErrorCodes::STD_EXCEPTION; |
201 | } |
202 | catch (...) |
203 | { |
204 | return ErrorCodes::UNKNOWN_EXCEPTION; |
205 | } |
206 | } |
207 | |
208 | |
209 | void rethrowFirstException(const Exceptions & exceptions) |
210 | { |
211 | for (size_t i = 0, size = exceptions.size(); i < size; ++i) |
212 | if (exceptions[i]) |
213 | std::rethrow_exception(exceptions[i]); |
214 | } |
215 | |
216 | |
217 | void tryLogException(std::exception_ptr e, const char * log_name, const std::string & start_of_message) |
218 | { |
219 | try |
220 | { |
221 | std::rethrow_exception(std::move(e)); |
222 | } |
223 | catch (...) |
224 | { |
225 | tryLogCurrentException(log_name, start_of_message); |
226 | } |
227 | } |
228 | |
229 | void tryLogException(std::exception_ptr e, Poco::Logger * logger, const std::string & start_of_message) |
230 | { |
231 | try |
232 | { |
233 | std::rethrow_exception(std::move(e)); |
234 | } |
235 | catch (...) |
236 | { |
237 | tryLogCurrentException(logger, start_of_message); |
238 | } |
239 | } |
240 | |
241 | std::string getExceptionMessage(const Exception & e, bool with_stacktrace, bool check_embedded_stacktrace) |
242 | { |
243 | std::stringstream stream; |
244 | |
245 | try |
246 | { |
247 | std::string text = e.displayText(); |
248 | |
249 | bool has_embedded_stack_trace = false; |
250 | if (check_embedded_stacktrace) |
251 | { |
252 | auto embedded_stack_trace_pos = text.find("Stack trace" ); |
253 | has_embedded_stack_trace = embedded_stack_trace_pos != std::string::npos; |
254 | if (!with_stacktrace && has_embedded_stack_trace) |
255 | { |
256 | text.resize(embedded_stack_trace_pos); |
257 | Poco::trimRightInPlace(text); |
258 | } |
259 | } |
260 | |
261 | stream << "Code: " << e.code() << ", e.displayText() = " << text; |
262 | |
263 | if (with_stacktrace && !has_embedded_stack_trace) |
264 | stream << ", Stack trace (when copying this message, always include the lines below):\n\n" << e.getStackTrace().toString(); |
265 | } |
266 | catch (...) {} |
267 | |
268 | return stream.str(); |
269 | } |
270 | |
271 | std::string getExceptionMessage(std::exception_ptr e, bool with_stacktrace) |
272 | { |
273 | try |
274 | { |
275 | std::rethrow_exception(std::move(e)); |
276 | } |
277 | catch (...) |
278 | { |
279 | return getCurrentExceptionMessage(with_stacktrace); |
280 | } |
281 | } |
282 | |
283 | |
284 | std::string ExecutionStatus::serializeText() const |
285 | { |
286 | WriteBufferFromOwnString wb; |
287 | wb << code << "\n" << escape << message; |
288 | return wb.str(); |
289 | } |
290 | |
291 | void ExecutionStatus::deserializeText(const std::string & data) |
292 | { |
293 | ReadBufferFromString rb(data); |
294 | rb >> code >> "\n" >> escape >> message; |
295 | } |
296 | |
297 | bool ExecutionStatus::tryDeserializeText(const std::string & data) |
298 | { |
299 | try |
300 | { |
301 | deserializeText(data); |
302 | } |
303 | catch (...) |
304 | { |
305 | return false; |
306 | } |
307 | |
308 | return true; |
309 | } |
310 | |
311 | ExecutionStatus ExecutionStatus::fromCurrentException(const std::string & start_of_message) |
312 | { |
313 | String msg = (start_of_message.empty() ? "" : (start_of_message + ": " )) + getCurrentExceptionMessage(false, true); |
314 | return ExecutionStatus(getCurrentExceptionCode(), msg); |
315 | } |
316 | |
317 | |
318 | } |
319 | |