libstorage-ng
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Base class for storage exceptions. More...
#include <Exception.h>
Public Member Functions | |
Exception (LogLevel log_level=LogLevel::ERROR) | |
Default constructor. More... | |
Exception (const std::string &msg, LogLevel log_level=LogLevel::ERROR) | |
Constructor taking a message. More... | |
virtual | ~Exception () noexcept |
Destructor. | |
const CodeLocation & | where () const |
Return CodeLocation. | |
void | relocate (const CodeLocation &newLocation) const |
Exchange location on rethrow. | |
const std::string & | msg () const |
Return the message string provided to the constructor. More... | |
LogLevel | log_level () const |
void | setMsg (const std::string &msg) |
Set a new message string. | |
std::string | asString () const |
Error message provided by dumpOn as string. | |
virtual const char * | what () const noexcept override |
Return message string. More... | |
Static Public Member Functions | |
static std::string | strErrno (int errno_r) |
Make a string from errno_r. | |
static std::string | strErrno (int errno_r, const std::string &msg) |
Make a string from errno_r and msg_r. | |
static void | log (const Exception &exception, const CodeLocation &location, const char *const prefix) |
Drop a log line on throw, catch or rethrow. More... | |
Protected Member Functions | |
virtual std::ostream & | dumpOn (std::ostream &str) const |
Overload this to print a proper error message. | |
Friends | |
std::ostream & | operator<< (std::ostream &str, const Exception &obj) |
Exception stream output. | |
Base class for storage exceptions.
Exception offers to store a message string passed to the constructor. Derived classes may provide additional information. Overload dumpOn to provide a proper error text.
storage::Exception::Exception | ( | LogLevel | log_level = LogLevel::ERROR | ) |
Default constructor.
Use ST_THROW to throw exceptions.
storage::Exception::Exception | ( | const std::string & | msg, |
LogLevel | log_level = LogLevel::ERROR |
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Constructor taking a message.
Use ST_THROW to throw exceptions.
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static |
Drop a log line on throw, catch or rethrow.
Used by ST_THROW macros.
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inline |
Return the message string provided to the constructor.
Note: This is not neccessarily the complete error message. The whole error message is provided by asString or dumpOn.
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inlineoverridevirtualnoexcept |
Return message string.
Reimplemented from std::exception.