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Diffstat (limited to 'attic/include/boost/afio/v2/detail/impl/ErrorHandling.ipp')
| -rw-r--r-- | attic/include/boost/afio/v2/detail/impl/ErrorHandling.ipp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/attic/include/boost/afio/v2/detail/impl/ErrorHandling.ipp b/attic/include/boost/afio/v2/detail/impl/ErrorHandling.ipp new file mode 100644 index 00000000..28c319b0 --- /dev/null +++ b/attic/include/boost/afio/v2/detail/impl/ErrorHandling.ipp @@ -0,0 +1,184 @@ +/* NiallsCPP11Utilities +(C) 2012 Niall Douglas http://www.nedprod.com/ +File Created: Nov 2012 +*/ + +#define _CRT_SECURE_NO_WARNINGS + +#include "../../afio.hpp" +#include <locale> +#include <cstring> + +BOOST_AFIO_V2_NAMESPACE_BEGIN +namespace detail { + inline void push_exception(std::string name) noexcept + { +#ifdef BOOST_AFIO_OP_STACKBACKTRACEDEPTH + try + { + if(!afio_exception_stack()) + afio_exception_stack()=new afio_exception_stack_t; + afio_exception_stack_entry se; + se.name=std::move(name); + collect_stack(se.stack); + afio_exception_stack()->push_back(std::move(se)); + } catch(...) { } +#endif + } +} +BOOST_AFIO_V2_NAMESPACE_END + +#ifdef WIN32 +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN 1 +#endif +#include <Windows.h> + +BOOST_AFIO_V2_NAMESPACE_BEGIN + namespace detail{ + + BOOST_AFIO_HEADERS_ONLY_MEMFUNC_SPEC void int_throwWinError(const char *file, const char *function, int lineno, unsigned code, std::function<BOOST_AFIO_V2_NAMESPACE::path()> filename) + { + if(ERROR_NOT_ENOUGH_MEMORY==code || ERROR_OUTOFMEMORY==code) BOOST_AFIO_THROW(std::bad_alloc()); + error_code ec(code, system_category()); + DWORD len; + char buffer[1024]; + if(!(len=FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, code, 0, buffer, sizeof(buffer), 0))) + { + strcpy(buffer, "unknown error code"); + len=(DWORD) strlen(buffer); + } + // Remove annoying CRLF at end of message sometimes + while(10==buffer[len-1]) + { + buffer[len-1]=0; + len--; + if(13==buffer[len-1]) + { + buffer[len-1]=0; + len--; + } + } + std::string errstr(buffer, buffer+len); + errstr.append(" ("+to_string(code)+") in '"+std::string(file)+"':"+std::string(function)+":"+to_string(lineno)); + // Add the filename where appropriate. This helps debugging a lot. + if(filename) + { + if(ERROR_FILE_NOT_FOUND==code || ERROR_PATH_NOT_FOUND==code) + { + errstr="File '"+filename().generic_string()+"' not found [Host OS Error: "+errstr+"]"; + } + else if(ERROR_ACCESS_DENIED==code || ERROR_EA_ACCESS_DENIED==code) + { + errstr="Access to '"+filename().generic_string()+"' denied [Host OS Error: "+errstr+"]"; + } + else + { + errstr.append(" [Path: '"+filename().generic_string()+"']"); + } + } + BOOST_AFIO_DEBUG_PRINT("! %s\n", errstr.c_str()); + push_exception(errstr); + BOOST_AFIO_THROW(system_error(ec, errstr)); + } + + BOOST_AFIO_HEADERS_ONLY_MEMFUNC_SPEC void int_throwNTError(const char *file, const char *function, int lineno, unsigned code, std::function<BOOST_AFIO_V2_NAMESPACE::path()> filename) + { + // system_category needs a win32 code, not NT kernel code +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable: 6387) // MSVC sanitiser warns on misuse of GetOverlappedResult +#endif + { + DWORD br; + OVERLAPPED o; + + o.Internal = code; + o.InternalHigh = 0; + o.Offset = 0; + o.OffsetHigh = 0; + o.hEvent = 0; + GetOverlappedResult(NULL, &o, &br, FALSE); + } +#ifdef _MSC_VER +#pragma warning(pop) +#endif + error_code ec(GetLastError(), system_category()); + DWORD len; + char buffer[1024]; + if(!(len=FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_HMODULE, + GetModuleHandleA("NTDLL.DLL"), code, 0, buffer, sizeof(buffer), 0))) + { + strcpy(buffer, "unknown error code"); + len=(DWORD) strlen(buffer); + } + // Remove annoying CRLF at end of message sometimes + while(10==buffer[len-1]) + { + buffer[len-1]=0; + len--; + if(13==buffer[len-1]) + { + buffer[len-1]=0; + len--; + } + } + std::string errstr(buffer, buffer+len); + errstr.append(" ("+to_string(code)+") in '"+std::string(file)+"':"+std::string(function)+":"+to_string(lineno)); + // Add the filename where appropriate. This helps debugging a lot. + if(filename) + { + if(0xC000000F/*STATUS_NO_SUCH_FILE*/==code || 0xC000003A/*STATUS_OBJECT_PATH_NOT_FOUND*/==code) + { + errstr="File '"+filename().generic_string()+"' not found [Host OS Error: "+errstr+"]"; + } + else if(0xC0000022/*STATUS_ACCESS_DENIED*/==code) + { + errstr="Access to '"+filename().generic_string()+"' denied [Host OS Error: "+errstr+"]"; + } + else + { + errstr.append(" [Path: '"+filename().generic_string()+"']"); + } + } + BOOST_AFIO_DEBUG_PRINT("! %s\n", errstr.c_str()); + push_exception(errstr); + BOOST_AFIO_THROW(system_error(ec, errstr)); + } + + } // namespace detail +BOOST_AFIO_V2_NAMESPACE_END + +#endif + +BOOST_AFIO_V2_NAMESPACE_BEGIN + namespace detail{ + + BOOST_AFIO_HEADERS_ONLY_MEMFUNC_SPEC void int_throwOSError(const char *file, const char *function, int lineno, int code, std::function<BOOST_AFIO_V2_NAMESPACE::path()> filename) + { + if(ENOMEM==code) BOOST_AFIO_THROW(std::bad_alloc()); + error_code ec(code, generic_category()); + std::string errstr(strerror(code)); + errstr.append(" ("+to_string(code)+") in '"+std::string(file)+"':"+std::string(function)+":"+to_string(lineno)); + // Add the filename where appropriate. This helps debugging a lot. + if(filename) + { + if(ENOENT==code || ENOTDIR==code) + { + errstr="File '"+filename().generic_string()+"' not found [Host OS Error: "+errstr+"]"; + } + else if(EACCES==code) + { + errstr="Access to '"+filename().generic_string()+"' denied [Host OS Error: "+errstr+"]"; + } + else + { + errstr.append(" [Path: '"+filename().generic_string()+"']"); + } + } + BOOST_AFIO_DEBUG_PRINT("! %s\n", errstr.c_str()); + push_exception(errstr); + BOOST_AFIO_THROW(system_error(ec, errstr)); + }// end int_throwOSError + }// namespace detail +BOOST_AFIO_V2_NAMESPACE_END |