commit 22b50ecb2f7f9e0469d281a4c401d4a531c1cc5b
parent 71cedb3c0c6860c1cf06792a8e98940f88b34a17
Author: Philipp Hagemeister <phihag@phihag.de>
Date: Mon, 16 Sep 2013 03:32:45 +0200
Starts of a Windows service
Diffstat:
1 file changed, 128 insertions(+), 15 deletions(-)
diff --git a/devscripts/buildserver.py b/devscripts/buildserver.py
@@ -4,8 +4,10 @@ from http.server import HTTPServer, BaseHTTPRequestHandler
from socketserver import ThreadingMixIn
import argparse
import ctypes
+import functools
import sys
import threading
+import traceback
import os.path
@@ -21,10 +23,40 @@ SERVICE_WIN32_OWN_PROCESS = 0x10
SERVICE_AUTO_START = 0x2
SERVICE_ERROR_NORMAL = 0x1
DELETE = 0x00010000
+SERVICE_STATUS_START_PENDING = 0x00000002
+SERVICE_STATUS_RUNNING = 0x00000004
+SERVICE_ACCEPT_STOP = 0x1
+
+SVCNAME = 'youtubedl_builder'
+
+LPTSTR = ctypes.c_wchar_p
+START_CALLBACK = ctypes.WINFUNCTYPE(None, ctypes.c_int, ctypes.POINTER(LPTSTR))
+
+
+class SERVICE_TABLE_ENTRY(ctypes.Structure):
+ _fields_ = [
+ ('lpServiceName', LPTSTR),
+ ('lpServiceProc', START_CALLBACK)
+ ]
+
+
+HandlerEx = ctypes.WINFUNCTYPE(
+ ctypes.c_int, # return
+ ctypes.c_int, # dwControl
+ ctypes.c_int, # dwEventType
+ ctypes.c_void_p, # lpEventData,
+ ctypes.c_void_p, # lpContext,
+)
+
+
+def _ctypes_array(c_type, py_array):
+ ar = (c_type * len(py_array))()
+ ar[:] = py_array
+ return ar
def win_OpenSCManager():
- res = advapi32.OpenSCManagerA(None, None, SC_MANAGER_ALL_ACCESS)
+ res = advapi32.OpenSCManagerW(None, None, SC_MANAGER_ALL_ACCESS)
if not res:
raise Exception('Opening service manager failed - '
'are you running this as administrator?')
@@ -34,7 +66,7 @@ def win_OpenSCManager():
def win_install_service(service_name, cmdline):
manager = win_OpenSCManager()
try:
- h = advapi32.CreateServiceA(
+ h = advapi32.CreateServiceW(
manager, service_name, None,
SC_MANAGER_CREATE_SERVICE, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
@@ -50,7 +82,7 @@ def win_install_service(service_name, cmdline):
def win_uninstall_service(service_name):
manager = win_OpenSCManager()
try:
- h = advapi32.OpenServiceA(manager, service_name, DELETE)
+ h = advapi32.OpenServiceW(manager, service_name, DELETE)
if not h:
raise OSError('Could not find service %s: %s' % (
service_name, ctypes.FormatError()))
@@ -64,17 +96,90 @@ def win_uninstall_service(service_name):
advapi32.CloseServiceHandle(manager)
-def install_service(bind):
- fn = os.path.normpath(__file__)
- cmdline = '"%s" "%s" -s -b "%s"' % (sys.executable, fn, bind)
- win_install_service('youtubedl_builder', cmdline)
+def win_service_report_event(service_name, msg, is_error=True):
+ with open('C:/sshkeys/log', 'a', encoding='utf-8') as f:
+ f.write(msg + '\n')
+
+ event_log = advapi32.RegisterEventSourceW(None, service_name)
+ if not event_log:
+ raise OSError('Could not report event: %s' % ctypes.FormatError())
+
+ try:
+ type_id = 0x0001 if is_error else 0x0004
+ event_id = 0xc0000000 if is_error else 0x40000000
+ lines = _ctypes_array(LPTSTR, [msg])
+
+ if not advapi32.ReportEventW(
+ event_log, type_id, 0, event_id, None, len(lines), 0,
+ lines, None):
+ raise OSError('Event reporting failed: %s' % ctypes.FormatError())
+ finally:
+ advapi32.DeregisterEventSource(event_log)
+
+
+def win_service_handler(stop_event, *args):
+ try:
+ raise ValueError('Handler called with args ' + repr(args))
+ TODO
+ except Exception as e:
+ tb = traceback.format_exc()
+ msg = str(e) + '\n' + tb
+ win_service_report_event(service_name, msg, is_error=True)
+ raise
+
+
+def win_service_set_status(handle, status_code):
+ svcStatus = SERVICE_STATUS()
+ svcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS
+ svcStatus.dwCurrentState = status_code
+ svcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP
+
+ svcStatus.dwServiceSpecificExitCode = 0
+ if not advapi32.SetServiceStatus(handle, ctypes.byref(svcStatus)):
+ raise OSError('SetServiceStatus failed: %r' % ctypes.FormatError())
-def uninstall_service():
- win_uninstall_service('youtubedl_builder')
+def win_service_main(service_name, real_main, argc, argv_raw):
+ try:
+ #args = [argv_raw[i].value for i in range(argc)]
+ stop_event = threading.Event()
+ handler = HandlerEx(functools.partial(stop_event, win_service_handler))
+ h = advapi32.RegisterServiceCtrlHandlerExW(service_name, handler, None)
+ if not h:
+ raise OSError('Handler registration failed: %s' %
+ ctypes.FormatError())
+
+ TODO
+ except Exception as e:
+ tb = traceback.format_exc()
+ msg = str(e) + '\n' + tb
+ win_service_report_event(service_name, msg, is_error=True)
+ raise
-def main(argv):
+
+def win_service_start(service_name, real_main):
+ try:
+ cb = START_CALLBACK(
+ functools.partial(win_service_main, service_name, real_main))
+ dispatch_table = _ctypes_array(SERVICE_TABLE_ENTRY, [
+ SERVICE_TABLE_ENTRY(
+ service_name,
+ cb
+ ),
+ SERVICE_TABLE_ENTRY(None, ctypes.cast(None, START_CALLBACK))
+ ])
+
+ if not advapi32.StartServiceCtrlDispatcherW(dispatch_table):
+ raise OSError('ctypes start failed: %s' % ctypes.FormatError())
+ except Exception as e:
+ tb = traceback.format_exc()
+ msg = str(e) + '\n' + tb
+ win_service_report_event(service_name, msg, is_error=True)
+ raise
+
+
+def main(args=None):
parser = argparse.ArgumentParser()
parser.add_argument('-i', '--install',
action='store_const', dest='action', const='install',
@@ -83,18 +188,26 @@ def main(argv):
action='store_const', dest='action', const='uninstall',
help='Remove Windows service')
parser.add_argument('-s', '--service',
- action='store_const', dest='action', const='servce',
+ action='store_const', dest='action', const='service',
help='Run as a Windows service')
parser.add_argument('-b', '--bind', metavar='<host:port>',
action='store', default='localhost:8142',
help='Bind to host:port (default %default)')
- options = parser.parse_args()
+ options = parser.parse_args(args=args)
if options.action == 'install':
- return install_service(options.bind)
+ fn = os.path.abspath(__file__).replace('v:', '\\\\vboxsrv\\vbox')
+ cmdline = '%s %s -s -b %s' % (sys.executable, fn, options.bind)
+ win_install_service(SVCNAME, cmdline)
+ return
if options.action == 'uninstall':
- return uninstall_service()
+ win_uninstall_service(SVCNAME)
+ return
+
+ if options.action == 'service':
+ win_service_start(SVCNAME, main)
+ return
host, port_str = options.bind.split(':')
port = int(port_str)
@@ -289,4 +402,4 @@ class BuildHTTPRequestHandler(BaseHTTPRequestHandler):
#==============================================================================
if __name__ == '__main__':
- main(sys.argv[1:])
+ main()
