X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=service.cpp;h=b8b99921a7fafd5f3e16d609e7ede562c02f1a6d;hb=4440946eccf1cb14e16f8d29c54fb4acecbd44ff;hp=9dbb310523b450c956b72c526a1d689ee50b76c2;hpb=d007ff22cecf2ce85cc68a1de81a010d4a65badc;p=nssm.git

diff --git a/service.cpp b/service.cpp
index 9dbb310..b8b9992 100644
--- a/service.cpp
+++ b/service.cpp
@@ -4,44 +4,145 @@ SERVICE_STATUS service_status;
 SERVICE_STATUS_HANDLE service_handle;
 HANDLE wait_handle;
 HANDLE pid;
+static char service_name[MAX_PATH];
 char exe[MAX_PATH];
 char flags[MAX_PATH];
 char dir[MAX_PATH];
 
+static enum { NSSM_EXIT_RESTART, NSSM_EXIT_IGNORE, NSSM_EXIT_REALLY } exit_actions;
+static const char *exit_action_strings[] = { "Restart", "Ignore", "Exit", 0 };
+
 /* Connect to the service manager */
 SC_HANDLE open_service_manager() {
   SC_HANDLE ret = OpenSCManager(0, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS);
   if (! ret) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "Unable to connect to service manager!\nPerhaps you need to be an administrator...");
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENSCMANAGER_FAILED, 0);
     return 0;
   }
 
   return ret;
 }
 
+/* About to install the service */
+int pre_install_service(int argc, char **argv) {
+  /* Show the dialogue box if we didn't give the */
+  if (argc < 2) return nssm_gui(IDD_INSTALL, argv[0]);
+
+  /* Arguments are optional */
+  char *flags;
+  if (argc == 2) flags = "";
+  else flags = argv[2];
+
+  return install_service(argv[0], argv[1], flags);
+}
+
+/* About to remove the service */
+int pre_remove_service(int argc, char **argv) {
+  /* Show dialogue box if we didn't pass service name and "confirm" */
+  if (argc < 2) return nssm_gui(IDD_REMOVE, argv[0]);
+  if (str_equiv(argv[1], "confirm")) return remove_service(argv[0]);
+  fprintf(stderr, "To remove a service without confirmation: nssm remove <servicename> confirm\n");
+  return 100;
+}
+
 /* Install the service */
-int install_service(char *name) {
-#ifdef GUI
-  /* Show the dialogue box */
-  return nssm_gui(IDD_INSTALL, name);
-#else
-  fprintf(stderr, "Unimplemented\n");
-  return 1;
-#endif
+int install_service(char *name, char *exe, char *flags) {
+  /* Open service manager */
+  SC_HANDLE services = open_service_manager();
+  if (! services) {
+    fprintf(stderr, "Error opening service manager!\n");
+    return 2;
+  }
+  
+  /* Get path of this program */
+  char path[MAX_PATH];
+  GetModuleFileName(0, path, MAX_PATH);
+
+  /* Construct command */
+  char command[MAX_PATH];
+  size_t runlen = strlen(NSSM_RUN);
+  size_t pathlen = strlen(path);
+  if (pathlen + runlen + 2 >= MAX_PATH) {
+    fprintf(stderr, "The full path to " NSSM " is too long!\n");
+    return 3;
+  }
+  if (snprintf(command, sizeof(command), "\"%s\" %s", path, NSSM_RUN) < 0) {
+    fprintf(stderr, "Out of memory for ImagePath!\n");
+    return 4;
+  }
+
+  /* Work out directory name */
+  size_t len = strlen(exe);
+  size_t i;
+  for (i = len; i && exe[i] != '\\' && exe[i] != '/'; i--);
+  char dir[MAX_PATH];
+  memmove(dir, exe, i);
+  dir[i] = '\0';
+
+  /* Create the service */
+  SC_HANDLE service = CreateService(services, name, name, SC_MANAGER_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_NORMAL, command, 0, 0, 0, 0, 0);
+  if (! service) {
+    fprintf(stderr, "Error creating service!\n");
+    CloseServiceHandle(services);
+    return 5;
+  }
+
+  /* Now we need to put the parameters into the registry */
+  if (create_parameters(name, exe, flags, dir)) {
+    fprintf(stderr, "Error setting startup parameters for the service!\n");
+    DeleteService(service);
+    CloseServiceHandle(services);
+    return 6;
+  }
+
+  /* Cleanup */
+  CloseServiceHandle(service);
+  CloseServiceHandle(services);
+
+  printf("Service \"%s\" installed successfully!\n", name);
+  return 0;
 }
 
 /* Remove the service */
 int remove_service(char *name) {
-#ifdef GUI
-  return nssm_gui(IDD_REMOVE, name);
-#else
-  fprintf(stderr, "Unimplemented\n");
-  return 1;
-#endif
+  /* Open service manager */
+  SC_HANDLE services = open_service_manager();
+  if (! services) {
+    fprintf(stderr, "Error opening service manager!\n");
+    return 2;
+  }
+  
+  /* Try to open the service */
+  SC_HANDLE service = OpenService(services, name, SC_MANAGER_ALL_ACCESS);
+  if (! service) {
+    fprintf(stderr, "Can't open service!");
+    CloseServiceHandle(services);
+    return 3;
+  }
+
+  /* Try to delete the service */
+  if (! DeleteService(service)) {
+    fprintf(stderr, "Error deleting service!\n");
+    CloseServiceHandle(service);
+    CloseServiceHandle(services);
+    return 4;
+  }
+
+  /* Cleanup */
+  CloseServiceHandle(service);
+  CloseServiceHandle(services);
+
+  printf("Service \"%s\" removed successfully!\n", name);
+  return 0;
 }
 
 /* Service initialisation */
 void WINAPI service_main(unsigned long argc, char **argv) {
+  if (_snprintf(service_name, sizeof(service_name), "%s", argv[0]) < 0) {
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "service_name", "service_main()", 0);
+    return;
+  }
+
   /* Initialise status */
   ZeroMemory(&service_status, sizeof(service_status));
   service_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS;
@@ -58,17 +159,20 @@ void WINAPI service_main(unsigned long argc, char **argv) {
   /* Get startup parameters */
   int ret = get_parameters(argv[0], exe, sizeof(exe), flags, sizeof(flags), dir, sizeof(dir));
   if (ret) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "service_main(): Can't get startup parameters: error %d", ret);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_PARAMETERS_FAILED, argv[0], 0);
     return;
   }
 
   /* Register control handler */
   service_handle = RegisterServiceCtrlHandlerEx(NSSM, service_control_handler, 0);
   if (! service_handle) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "service_main(): RegisterServiceCtrlHandlerEx() failed: %s", error_string(GetLastError()));
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_REGISTERSERVICECTRLHANDER_FAILED, GetLastError(), 0);
     return;
   }
 
+  /* Try to create the exit action parameters; we don't care if it fails */
+  create_exit_action(argv[0], exit_action_strings[0]);
+
   monitor_service();
 }
 
@@ -76,14 +180,16 @@ int monitor_service() {
   /* Set service status to started */
   int ret = start_service();
   if (ret) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "Can't start service: error code %d", ret);
+    char code[16];
+    snprintf(code, sizeof(code), "%d", ret);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_START_SERVICE_FAILED, exe, service_name, ret, 0);
     return ret;
   }
-  eventprintf(EVENTLOG_INFORMATION_TYPE, "Started process %s %s in %s", exe, flags, dir);
+  log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_STARTED_SERVICE, exe, flags, service_name, dir, 0);
 
   /* Monitor service service */
   if (! RegisterWaitForSingleObject(&wait_handle, pid, end_service, 0, INFINITE, WT_EXECUTEONLYONCE | WT_EXECUTELONGFUNCTION)) {
-    eventprintf(EVENTLOG_WARNING_TYPE, "RegisterWaitForSingleObject() returned %s - service may claim to be still running when %s exits ", error_string(GetLastError()), exe);
+    log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_REGISTERWAITFORSINGLEOBJECT_FAILED, service_name, exe, GetLastError(), 0);
   }
 
   return 0;
@@ -118,11 +224,11 @@ int start_service() {
   /* Launch executable with arguments */
   char cmd[MAX_PATH];
   if (_snprintf(cmd, sizeof(cmd), "%s %s", exe, flags) < 0) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "Error constructing command line");
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "command line", "start_service", 0);
     return stop_service(2);
   }
   if (! CreateProcess(0, cmd, 0, 0, 0, 0, 0, dir, &si, &pi)) {
-    eventprintf(EVENTLOG_ERROR_TYPE, "Can't launch %s.  CreateProcess() returned %s", exe, error_string(GetLastError()));
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED, service_name, exe, GetLastError(), 0);
     return stop_service(3);
   }
   pid = pi.hProcess;
@@ -143,9 +249,11 @@ int stop_service(unsigned long exitcode) {
   /* Nothing to do if server isn't running */
   if (pid) {
     /* Shut down server */
+    log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_TERMINATEPROCESS, service_name, exe, 0);
     TerminateProcess(pid, 0);
     pid = 0;
   }
+  else log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_PROCESS_ALREADY_STOPPED, service_name, exe, 0);
 
   /* Signal we stopped */
   service_status.dwCurrentState = SERVICE_STOPPED;
@@ -168,17 +276,43 @@ void CALLBACK end_service(void *arg, unsigned char why) {
   unsigned long ret = 0;
   GetExitCodeProcess(pid, &ret);
 
-  /* Force an error code if none given, so system can restart this service */
-  /*if (! ret) {
-    eventprintf(EVENTLOG_INFORMATION_TYPE, "Process exited with return code 0 - overriding with return code 111 so the service manager will notice the failure");
-    ret = 111;
+  char code[16];
+  _snprintf(code, sizeof(code), "%d", ret);
+  log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_ENDED_SERVICE, exe, service_name, code, 0);
+
+  /* What action should we take? */
+  int action = NSSM_EXIT_RESTART;
+  unsigned char action_string[ACTION_LEN];
+  if (! get_exit_action(service_name, &ret, action_string)) {
+    for (int i = 0; exit_action_strings[i]; i++) {
+      if (! _strnicmp((const char *) action_string, exit_action_strings[i], ACTION_LEN)) {
+        action = i;
+        break;
+      }
+    }
   }
-  else */eventprintf(EVENTLOG_INFORMATION_TYPE, "Process %s exited with return code %u", exe, ret);
 
-  /* Try to restart the service or return failure code to service manager */
   pid = 0;
-  while (monitor_service()) {
-    eventprintf(EVENTLOG_INFORMATION_TYPE, "Failed to restart %s - sleeping ", exe, ret);
-    Sleep(30000);
+  switch (action) {
+    /* Try to restart the service or return failure code to service manager */
+    case NSSM_EXIT_RESTART:
+      log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_EXIT_RESTART, service_name, code, exit_action_strings[action], exe, 0);
+      while (monitor_service()) {
+        log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_RESTART_SERVICE_FAILED, exe, service_name, 0);
+        Sleep(30000);
+      }
+    break;
+
+    /* Do nothing, just like srvany would */
+    case NSSM_EXIT_IGNORE:
+      log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_EXIT_IGNORE, service_name, code, exit_action_strings[action], exe, 0);
+      Sleep(INFINITE);
+    break;
+
+    /* Tell the service manager we are finished */
+    case NSSM_EXIT_REALLY:
+      log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_EXIT_REALLY, service_name, code, exit_action_strings[action], 0);
+      stop_service(ret);
+    break;
   }
 }