X-Git-Url: http://git.iain.cx/?p=nssm.git;a=blobdiff_plain;f=event.cpp;h=b44482c2ab2fc2fdcccfcf05f7a0efe426fed394;hp=726c9f104140de3bfa76498911d48d0bc58a4107;hb=HEAD;hpb=70453ecb690ff5d6008677ced1016d0235bee329

diff --git a/event.cpp b/event.cpp
index 726c9f1..b44482c 100644
--- a/event.cpp
+++ b/event.cpp
@@ -1,42 +1,111 @@
 #include "nssm.h"
 
+#define NSSM_SOURCE _T("nssm")
 #define NSSM_ERROR_BUFSIZE 65535
+#define NSSM_NUM_EVENT_STRINGS 16
 unsigned long tls_index;
 
 /* Convert error code to error string - must call LocalFree() on return value */
-char *error_string(unsigned long error) {
+TCHAR *error_string(unsigned long error) {
   /* Thread-safe buffer */
-  char *error_message = (char *) TlsGetValue(tls_index);
+  TCHAR *error_message = (TCHAR *) TlsGetValue(tls_index);
   if (! error_message) {
-    error_message = (char *) LocalAlloc(LPTR, NSSM_ERROR_BUFSIZE);
-    if (! error_message) return "<out of memory for error message>";
+    error_message = (TCHAR *) LocalAlloc(LPTR, NSSM_ERROR_BUFSIZE);
+    if (! error_message) return _T("<out of memory for error message>");
     TlsSetValue(tls_index, (void *) error_message);
   }
 
-  if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) error_message, NSSM_ERROR_BUFSIZE, 0)) {
-    if (_snprintf(error_message, NSSM_ERROR_BUFSIZE, "system error %lu", error) < 0) return 0;
+  if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, GetUserDefaultLangID(), (TCHAR *) error_message, NSSM_ERROR_BUFSIZE, 0)) {
+    if (! FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, 0, (TCHAR *) error_message, NSSM_ERROR_BUFSIZE, 0)) {
+      if (_sntprintf_s(error_message, NSSM_ERROR_BUFSIZE, _TRUNCATE, _T("system error %lu"), error) < 0) return 0;
+    }
   }
   return error_message;
 }
 
+/* Convert message code to format string */
+TCHAR *message_string(unsigned long error) {
+  TCHAR *ret;
+  if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, GetUserDefaultLangID(), (LPTSTR) &ret, NSSM_ERROR_BUFSIZE, 0)) {
+    if (! FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS, 0, error, 0, (LPTSTR) &ret, NSSM_ERROR_BUFSIZE, 0)) {
+      ret = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, 32 * sizeof(TCHAR));
+      if (_sntprintf_s(ret, NSSM_ERROR_BUFSIZE, _TRUNCATE, _T("system error %lu"), error) < 0) return 0;
+    }
+  }
+  return ret;
+}
+
 /* Log a message to the Event Log */
 void log_event(unsigned short type, unsigned long id, ...) {
   va_list arg;
   int count;
-  char *s;
-  char *strings[6];
+  TCHAR *s;
+  TCHAR *strings[NSSM_NUM_EVENT_STRINGS];
 
   /* Open event log */
-  HANDLE handle = RegisterEventSource(0, TEXT(NSSM));
+  HANDLE handle = RegisterEventSource(0, NSSM_SOURCE);
   if (! handle) return;
 
   /* Log it */
   count = 0;
   va_start(arg, id);
-  while ((s = va_arg(arg, char *))) strings[count++] = s;
+  while ((s = va_arg(arg, TCHAR *)) && count < NSSM_NUM_EVENT_STRINGS - 1) strings[count++] = s;
+  strings[count] = 0;
   va_end(arg);
-  ReportEvent(handle, type, 0, id, 0, count, 0, (const char **) strings, 0);
+  ReportEvent(handle, type, 0, id, 0, count, 0, (const TCHAR **) strings, 0);
 
   /* Close event log */
   DeregisterEventSource(handle);
 }
+
+/* Log a message to the console */
+void print_message(FILE *file, unsigned long id, ...) {
+  va_list arg;
+
+  TCHAR *format = message_string(id);
+  if (! format) return;
+
+  va_start(arg, id);
+  _vftprintf(file, format, arg);
+  va_end(arg);
+
+  LocalFree(format);
+}
+
+/* Show a GUI dialogue */
+int popup_message(HWND owner, unsigned int type, unsigned long id, ...) {
+  va_list arg;
+
+  TCHAR *format = message_string(id);
+  if (! format) {
+    return MessageBox(0, _T("The message which was supposed to go here is missing!"), NSSM, MB_OK | MB_ICONEXCLAMATION);
+  }
+
+  TCHAR blurb[NSSM_ERROR_BUFSIZE];
+  va_start(arg, id);
+  if (_vsntprintf_s(blurb, _countof(blurb), _TRUNCATE, format, arg) < 0) {
+    va_end(arg);
+    LocalFree(format);
+    return MessageBox(0, _T("The message which was supposed to go here is too big!"), NSSM, MB_OK | MB_ICONEXCLAMATION);
+  }
+  va_end(arg);
+
+  MSGBOXPARAMS params;
+  ZeroMemory(&params, sizeof(params));
+  params.cbSize = sizeof(params);
+  params.hInstance = GetModuleHandle(0);
+  params.hwndOwner = owner;
+  params.lpszText = blurb;
+  params.lpszCaption = NSSM;
+  params.dwStyle = type;
+  if (type == MB_OK) {
+    params.dwStyle |= MB_USERICON;
+    params.lpszIcon = MAKEINTRESOURCE(IDI_NSSM);
+  }
+
+  int ret = MessageBoxIndirect(&params);
+
+  LocalFree(format);
+
+  return ret;
+}