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src/os/win32/ngx_service.c - nginx source code

Global variables defined

Functions defined

Macros defined

Source code


  2. /*
  3. * Copyright (C) Igor Sysoev
  4. * Copyright (C) Nginx, Inc.
  5. */



  9. ‌#define NGX_SERVICE_CONTROL_SHUTDOWN   128
  10. ‌#define NGX_SERVICE_CONTROL_REOPEN     129


  13. ‌SERVICE_TABLE_ENTRY st[] = {
  14.     { "nginx", service_main },
  15.     { NULL, NULL }
  16. };


  19. ngx_int_t
  20. ‌ngx_service(ngx_log_t *log)
  21. {
  22.     /* primary thread */

  24.     /* StartServiceCtrlDispatcher() should be called within 30 seconds */

  26.     if (StartServiceCtrlDispatcher(st) == 0) {
  27.         ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
  28.                       "StartServiceCtrlDispatcher() failed");
  29.         return NGX_ERROR;
  30.     }

  32.     return NGX_OK;
  33. }


  36. void
  37. ‌service_main(u_int argc, char **argv)
  38. {
  39.     SERVICE_STATUS         status;
  40.     SERVICE_STATUS_HANDLE  service;

  42.     /* thread spawned by SCM */

  44.     service = RegisterServiceCtrlHandlerEx("nginx", service_handler, ctx);
  45.     if (service == INVALID_HANDLE_VALUE) {
  46.         ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
  47.                       "RegisterServiceCtrlHandlerEx() failed");
  48.         return;
  49.     }

  51.     status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
  52.     status.dwCurrentState = SERVICE_START_PENDING;
  53.     status.dwControlsAccepted = SERVICE_ACCEPT_STOP
  54.                                 |SERVICE_ACCEPT_PARAMCHANGE;
  55.     status.dwWin32ExitCode = NO_ERROR;
  56.     status.dwServiceSpecificExitCode = 0;
  57.     status.dwCheckPoint = 1;
  58.     status.dwWaitHint = 2000;

  60.     /* SetServiceStatus() should be called within 80 seconds */

  62.     if (SetServiceStatus(service, &status) == 0) {
  63.         ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
  64.                       "SetServiceStatus() failed");
  65.         return;
  66.     }

  68.     /* init */

  70.     status.dwCurrentState = SERVICE_RUNNING;
  71.     status.dwCheckPoint = 0;
  72.     status.dwWaitHint = 0;

  74.     if (SetServiceStatus(service, &status) == 0) {
  75.         ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
  76.                       "SetServiceStatus() failed");
  77.         return;
  78.     }

  80.     /* call master or worker loop */

  82.     /*
  83.      * master should use event notification and look status
  84.      * single should use iocp to get notifications from service handler
  85.      */

  87. }


  90. u_int
  91. ‌service_handler(u_int control, u_int type, void *data, void *ctx)
  92. {
  93.     /* primary thread */

  95.     switch (control) {

  97.     case SERVICE_CONTROL_INTERROGATE:
  98.         status = NGX_IOCP_INTERROGATE;
  99.         break;

  101.     case SERVICE_CONTROL_STOP:
  102.         status = NGX_IOCP_STOP;
  103.         break;

  105.     case SERVICE_CONTROL_PARAMCHANGE:
  106.         status = NGX_IOCP_RECONFIGURE;
  107.         break;

  109.     case NGX_SERVICE_CONTROL_SHUTDOWN:
  110.         status = NGX_IOCP_REOPEN;
  111.         break;

  113.     case NGX_SERVICE_CONTROL_REOPEN:
  114.         status = NGX_IOCP_REOPEN;
  115.         break;

  117.     default:
  118.         return ERROR_CALL_NOT_IMPLEMENTED;
  119.     }

  121.     if (ngx_single) {
  122.         if (PostQueuedCompletionStatus(iocp, ... status, ...) == 0) {
  123.             err = ngx_errno;
  124.             ngx_log_error(NGX_LOG_ALERT, log, err,
  125.                           "PostQueuedCompletionStatus() failed");
  126.             return err;
  127.         }

  129.     } else {
  130.         Event
  131.     }

  133.     return NO_ERROR;
  134. }

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