Allow configuring throttling threshold.

[nssm.git] / registry.cpp

diff --git a/registry.cpp b/registry.cpp
index 0471ca7..1be5f4d 100644 (file)
--- a/registry.cpp
+++ b/registry.cpp
@@ -10,7 +10,7 @@ int create_messages() {
   }\r
 \r
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
     return 2;\r
   }\r
 \r
@@ -37,25 +37,25 @@ int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
   /* Try to open the registry */\r
   HKEY key;\r
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
     return 2;\r
   }\r
 \r
   /* Try to create the parameters */\r
   if (RegSetValueEx(key, NSSM_REG_EXE, 0, REG_EXPAND_SZ, (const unsigned char *) exe, strlen(exe) + 1) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXE, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXE, error_string(GetLastError()), 0);\r
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);\r
     RegCloseKey(key);\r
     return 3;\r
   }\r
   if (RegSetValueEx(key, NSSM_REG_FLAGS, 0, REG_EXPAND_SZ, (const unsigned char *) flags, strlen(flags) + 1) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_FLAGS, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_FLAGS, error_string(GetLastError()), 0);\r
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);\r
     RegCloseKey(key);\r
     return 4;\r
   }\r
   if (RegSetValueEx(key, NSSM_REG_DIR, 0, REG_EXPAND_SZ, (const unsigned char *) dir, strlen(dir) + 1) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_DIR, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_DIR, error_string(GetLastError()), 0);\r
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);\r
     RegCloseKey(key);\r
     return 5;\r
@@ -79,7 +79,7 @@ int create_exit_action(char *service_name, const char *action_string) {
   HKEY key;\r
   unsigned long disposition;\r
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
     return 2;\r
   }\r
 \r
@@ -91,7 +91,7 @@ int create_exit_action(char *service_name, const char *action_string) {
 \r
   /* Create the default value */\r
   if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, strlen(action_string) + 1) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, error_string(GetLastError()), 0);\r
     RegCloseKey(key);\r
     return 3;\r
   }\r
@@ -114,7 +114,7 @@ int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, b
 \r
   unsigned long ret = RegQueryValueEx(key, value, 0, &type, buffer, &buflen);\r
   if (ret != ERROR_SUCCESS) {\r
-    if (ret != ERROR_FILE_NOT_FOUND) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, GetLastError(), 0);\r
+    if (ret != ERROR_FILE_NOT_FOUND) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);\r
     HeapFree(GetProcessHeap(), 0, buffer);\r
     return 2;\r
   }\r
@@ -133,7 +133,7 @@ int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, b
 \r
   ret = ExpandEnvironmentStrings((char *) buffer, data, datalen);\r
   if (! ret || ret > datalen) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, value, buffer, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, value, buffer, error_string(GetLastError()), 0);\r
     HeapFree(GetProcessHeap(), 0, buffer);\r
     return 3;\r
   }\r
@@ -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
@@ -153,7 +155,7 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
   /* Try to open the registry */\r
   HKEY key;\r
   if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
     return 2;\r
   }\r
 \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 = ExpandEnvironmentStrings("%SYSTEMROOT%", 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
@@ -211,7 +232,7 @@ int get_exit_action(char *service_name, unsigned long *ret, unsigned char *actio
   HKEY key;\r
   long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);\r
   if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {\r
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);\r
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);\r
     return 2;\r
   }\r
 \r