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Starts of a Windows service

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pull/1394/merge
Philipp Hagemeister 11 years ago
parent 71cedb3c0c
commit 22b50ecb2f
1 changed files with 128 additions and 15 deletions
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143
devscripts/buildserver.py
Unescape Escape View File

@ -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()

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