Allow configuring throttling threshold.

[nssm.git] / registry.cpp

diff --git a/registry.cpp b/registry.cpp
index 15ee152..1be5f4d 100644 (file)
--- a/registry.cpp
+++ b/registry.cpp
@@ -142,7 +142,9 @@ int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, b
   return 0;\r
 }\r
 \r
-int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen) {\r
+int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen, unsigned long *throttle_delay) {\r
+  unsigned long ret;\r
+\r
   /* Get registry */\r
   char registry[KEY_LENGTH];\r
   if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {\r
@@ -180,7 +182,7 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
     }\r
     else {\r
       /* Help! */\r
-      unsigned long ret = GetWindowsDirectory(dir, dirlen);\r
+      ret = GetWindowsDirectory(dir, dirlen);\r
       if (! ret || ret > dirlen) {\r
         log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service_name, 0);\r
         RegCloseKey(key);\r
@@ -190,6 +192,25 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
     log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_DIR, NSSM_REG_DIR, service_name, dir, 0);\r
   }\r
 \r
+  /* Try to get throttle restart delay */\r
+  unsigned long type = REG_DWORD;\r
+  unsigned long buflen = sizeof(*throttle_delay);\r
+  bool throttle_ok = false;\r
+  ret = RegQueryValueEx(key, NSSM_REG_THROTTLE, 0, &type, (unsigned char *) throttle_delay, &buflen);\r
+  if (ret != ERROR_SUCCESS) {\r
+    if (ret != ERROR_FILE_NOT_FOUND) {\r
+      if (type != REG_DWORD) {\r
+        char milliseconds[16];\r
+        _snprintf(milliseconds, sizeof(milliseconds), "%lu", NSSM_RESET_THROTTLE_RESTART);\r
+        log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_BOGUS_THROTTLE, service_name, NSSM_REG_THROTTLE, milliseconds, 0);\r
+      }\r
+      else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_THROTTLE, error_string(GetLastError()), 0);\r
+    }\r
+  }\r
+  else throttle_ok = true;\r
+\r
+  if (! throttle_ok) *throttle_delay = NSSM_RESET_THROTTLE_RESTART;\r
+\r
   /* Close registry */\r
   RegCloseKey(key);\r
 \r