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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#define NGX_SERVICE_CONTROL_SHUTDOWN 128
#define NGX_SERVICE_CONTROL_REOPEN 129
SERVICE_TABLE_ENTRY st[] = {
{ "nginx", service_main },
{ NULL, NULL }
};
ngx_int_t
ngx_service(ngx_log_t *log)
{
/* primary thread */
/* StartServiceCtrlDispatcher() should be called within 30 seconds */
if (StartServiceCtrlDispatcher(st) == 0) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"StartServiceCtrlDispatcher() failed");
return NGX_ERROR;
}
return NGX_OK;
}
void
service_main(u_int argc, char **argv)
{
SERVICE_STATUS status;
SERVICE_STATUS_HANDLE service;
/* thread spawned by SCM */
service = RegisterServiceCtrlHandlerEx("nginx", service_handler, ctx);
if (service == INVALID_HANDLE_VALUE) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"RegisterServiceCtrlHandlerEx() failed");
return;
}
status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
status.dwCurrentState = SERVICE_START_PENDING;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP
|SERVICE_ACCEPT_PARAMCHANGE;
status.dwWin32ExitCode = NO_ERROR;
status.dwServiceSpecificExitCode = 0;
status.dwCheckPoint = 1;
status.dwWaitHint = 2000;
/* SetServiceStatus() should be called within 80 seconds */
if (SetServiceStatus(service, &status) == 0) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"SetServiceStatus() failed");
return;
}
/* init */
status.dwCurrentState = SERVICE_RUNNING;
status.dwCheckPoint = 0;
status.dwWaitHint = 0;
if (SetServiceStatus(service, &status) == 0) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"SetServiceStatus() failed");
return;
}
/* call master or worker loop */
/*
* master should use event notification and look status
* single should use iocp to get notifications from service handler
*/
}
u_int
service_handler(u_int control, u_int type, void *data, void *ctx)
{
/* primary thread */
switch (control) {
case SERVICE_CONTROL_INTERROGATE:
status = NGX_IOCP_INTERROGATE;
break;
case SERVICE_CONTROL_STOP:
status = NGX_IOCP_STOP;
break;
case SERVICE_CONTROL_PARAMCHANGE:
status = NGX_IOCP_RECONFIGURE;
break;
case NGX_SERVICE_CONTROL_SHUTDOWN:
status = NGX_IOCP_REOPEN;
break;
case NGX_SERVICE_CONTROL_REOPEN:
status = NGX_IOCP_REOPEN;
break;
default:
return ERROR_CALL_NOT_IMPLEMENTED;
}
if (ngx_single) {
if (PostQueuedCompletionStatus(iocp, ... status, ...) == 0) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ALERT, log, err,
"PostQueuedCompletionStatus() failed");
return err;
}
} else {
Event
}
return NO_ERROR;
}
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