21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "WinErrorHandling.h"
27 #include "Log.h"
28 #include "SysInfo.h"
29 #include "FileUtils.h"
30
31
32 namespace {
33
34 std::string makeMessage(const std::string& msg, const char* label,
35 const void* c, DWORD errorCode) {
36 std::ostringstream err;
37 err << (label ? label : "Some error") << " [" << errorCode << "]";
38
39 HMODULE hmodule = NULL;
40 if (c) {
41 GetModuleHandleEx(
42 GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
43 reinterpret_cast<LPCTSTR>(c),
44 &hmodule);
45
46 if (!hmodule) {
47 LOG_WARNING(tstrings::any() << "GetModuleHandleEx() failed for " << c << " address.");
48 }
49 }
50 if (hmodule || !c) {
51 err << "(" << SysError::getSysErrorMessage(errorCode, hmodule) << ")";
52 }
53
54 return joinErrorMessages(msg, err.str());
55 }
56
57
58 std::wstring getSystemMessageDescription(DWORD messageId, HMODULE moduleHandle) {
59 LPWSTR pMsg = NULL;
60 std::wstring descr;
61
62 // we always retrieve UNICODE description from system,
63 // convert it to utf8 if UNICODE is not defined
64
65 while (true) {
66 DWORD res = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER
67 | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS
88 } else {
89 // if we fail to get description for specific moduleHandle,
90 // try to get "common" description.
91 if (moduleHandle != NULL) {
92 moduleHandle = NULL;
93 continue;
94 }
95 descr = L"No description available";
96 }
97 break;
98 }
99
100 return descr;
101 }
102
103 } // namespace
104
105
106 SysError::SysError(const tstrings::any& msg, const void* caller, DWORD ec,
107 const char* label):
108 std::runtime_error(makeMessage(msg.str(), label, caller, ec)) {
109 }
110
111 std::wstring SysError::getSysErrorMessage(DWORD errCode, HMODULE moduleHandle) {
112 tstrings::any msg;
113 msg << "system error " << errCode
114 << " (" << getSystemMessageDescription(errCode, moduleHandle) << ")";
115 return msg.tstr();
116 }
117
118 std::wstring SysError::getComErrorMessage(HRESULT hr) {
119 HRESULT hrOrig = hr;
120 // for FACILITY_WIN32 facility we need to reset hiword
121 if(HRESULT_FACILITY(hr) == FACILITY_WIN32) {
122 hr = HRESULT_CODE(hr);
123 }
124 return tstrings::format(_T("COM error 0x%08X (%s)"), hrOrig, getSystemMessageDescription(hr, NULL));
125 }
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "WinErrorHandling.h"
27 #include "Log.h"
28 #include "SysInfo.h"
29 #include "FileUtils.h"
30
31
32 namespace {
33
34 std::string makeMessage(const std::string& msg, const char* label,
35 const void* c, DWORD errorCode) {
36 std::ostringstream err;
37 err << (label ? label : "Some error") << " [" << errorCode << "]";
38
39 HMODULE hmodule = NULL;
40 if (c) {
41 GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
42 | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
43 reinterpret_cast<LPCTSTR>(c), &hmodule);
44
45 if (!hmodule) {
46 LOG_WARNING(tstrings::any() << "GetModuleHandleEx() failed for "
47 << c << " address.");
48 }
49 }
50 if (hmodule || !c) {
51 err << "(" << SysError::getSysErrorMessage(errorCode, hmodule) << ")";
52 }
53
54 return joinErrorMessages(msg, err.str());
55 }
56
57
58 std::wstring getSystemMessageDescription(DWORD messageId, HMODULE moduleHandle) {
59 LPWSTR pMsg = NULL;
60 std::wstring descr;
61
62 // we always retrieve UNICODE description from system,
63 // convert it to utf8 if UNICODE is not defined
64
65 while (true) {
66 DWORD res = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER
67 | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS
88 } else {
89 // if we fail to get description for specific moduleHandle,
90 // try to get "common" description.
91 if (moduleHandle != NULL) {
92 moduleHandle = NULL;
93 continue;
94 }
95 descr = L"No description available";
96 }
97 break;
98 }
99
100 return descr;
101 }
102
103 } // namespace
104
105
106 SysError::SysError(const tstrings::any& msg, const void* caller, DWORD ec,
107 const char* label):
108
109 std::runtime_error(makeMessage(msg.str(), label, caller, ec)) {
110 }
111
112 std::wstring SysError::getSysErrorMessage(DWORD errCode, HMODULE moduleHandle) {
113 tstrings::any msg;
114 msg << "system error " << errCode
115 << " (" << getSystemMessageDescription(errCode, moduleHandle) << ")";
116 return msg.tstr();
117 }
118
119 std::wstring SysError::getComErrorMessage(HRESULT hr) {
120 HRESULT hrOrig = hr;
121 // for FACILITY_WIN32 facility we need to reset hiword
122 if(HRESULT_FACILITY(hr) == FACILITY_WIN32) {
123 hr = HRESULT_CODE(hr);
124 }
125 return tstrings::format(_T("COM error 0x%08X (%s)"), hrOrig,
126 getSystemMessageDescription(hr, NULL));
127 }
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