[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/meta/poky/bitbake/lib/prserv/serv.py b/meta/poky/bitbake/lib/prserv/serv.py
new file mode 100644
index 0000000..6a99728
--- /dev/null
+++ b/meta/poky/bitbake/lib/prserv/serv.py
@@ -0,0 +1,504 @@
+import os,sys,logging
+import signal, time
+from xmlrpc.server import SimpleXMLRPCServer, SimpleXMLRPCRequestHandler
+import threading
+import queue
+import socket
+import io
+import sqlite3
+import bb.server.xmlrpcclient
+import prserv
+import prserv.db
+import errno
+import select
+
+logger = logging.getLogger("BitBake.PRserv")
+
+if sys.hexversion < 0x020600F0:
+ print("Sorry, python 2.6 or later is required.")
+ sys.exit(1)
+
+class Handler(SimpleXMLRPCRequestHandler):
+ def _dispatch(self,method,params):
+ try:
+ value=self.server.funcs[method](*params)
+ except:
+ import traceback
+ traceback.print_exc()
+ raise
+ return value
+
+PIDPREFIX = "/tmp/PRServer_%s_%s.pid"
+singleton = None
+
+
+class PRServer(SimpleXMLRPCServer):
+ def __init__(self, dbfile, logfile, interface, daemon=True):
+ ''' constructor '''
+ try:
+ SimpleXMLRPCServer.__init__(self, interface,
+ logRequests=False, allow_none=True)
+ except socket.error:
+ ip=socket.gethostbyname(interface[0])
+ port=interface[1]
+ msg="PR Server unable to bind to %s:%s\n" % (ip, port)
+ sys.stderr.write(msg)
+ raise PRServiceConfigError
+
+ self.dbfile=dbfile
+ self.daemon=daemon
+ self.logfile=logfile
+ self.working_thread=None
+ self.host, self.port = self.socket.getsockname()
+ self.pidfile=PIDPREFIX % (self.host, self.port)
+
+ self.register_function(self.getPR, "getPR")
+ self.register_function(self.quit, "quit")
+ self.register_function(self.ping, "ping")
+ self.register_function(self.export, "export")
+ self.register_function(self.dump_db, "dump_db")
+ self.register_function(self.importone, "importone")
+ self.register_introspection_functions()
+
+ self.quitpipein, self.quitpipeout = os.pipe()
+
+ self.requestqueue = queue.Queue()
+ self.handlerthread = threading.Thread(target = self.process_request_thread)
+ self.handlerthread.daemon = False
+
+ def process_request_thread(self):
+ """Same as in BaseServer but as a thread.
+
+ In addition, exception handling is done here.
+
+ """
+ iter_count = 1
+ # 60 iterations between syncs or sync if dirty every ~30 seconds
+ iterations_between_sync = 60
+
+ bb.utils.set_process_name("PRServ Handler")
+
+ while not self.quitflag:
+ try:
+ (request, client_address) = self.requestqueue.get(True, 30)
+ except queue.Empty:
+ self.table.sync_if_dirty()
+ continue
+ if request is None:
+ continue
+ try:
+ self.finish_request(request, client_address)
+ self.shutdown_request(request)
+ iter_count = (iter_count + 1) % iterations_between_sync
+ if iter_count == 0:
+ self.table.sync_if_dirty()
+ except:
+ self.handle_error(request, client_address)
+ self.shutdown_request(request)
+ self.table.sync()
+ self.table.sync_if_dirty()
+
+ def sigint_handler(self, signum, stack):
+ if self.table:
+ self.table.sync()
+
+ def sigterm_handler(self, signum, stack):
+ if self.table:
+ self.table.sync()
+ self.quit()
+ self.requestqueue.put((None, None))
+
+ def process_request(self, request, client_address):
+ self.requestqueue.put((request, client_address))
+
+ def export(self, version=None, pkgarch=None, checksum=None, colinfo=True):
+ try:
+ return self.table.export(version, pkgarch, checksum, colinfo)
+ except sqlite3.Error as exc:
+ logger.error(str(exc))
+ return None
+
+ def dump_db(self):
+ """
+ Returns a script (string) that reconstructs the state of the
+ entire database at the time this function is called. The script
+ language is defined by the backing database engine, which is a
+ function of server configuration.
+ Returns None if the database engine does not support dumping to
+ script or if some other error is encountered in processing.
+ """
+ buff = io.StringIO()
+ try:
+ self.table.sync()
+ self.table.dump_db(buff)
+ return buff.getvalue()
+ except Exception as exc:
+ logger.error(str(exc))
+ return None
+ finally:
+ buff.close()
+
+ def importone(self, version, pkgarch, checksum, value):
+ return self.table.importone(version, pkgarch, checksum, value)
+
+ def ping(self):
+ return not self.quitflag
+
+ def getinfo(self):
+ return (self.host, self.port)
+
+ def getPR(self, version, pkgarch, checksum):
+ try:
+ return self.table.getValue(version, pkgarch, checksum)
+ except prserv.NotFoundError:
+ logger.error("can not find value for (%s, %s)",version, checksum)
+ return None
+ except sqlite3.Error as exc:
+ logger.error(str(exc))
+ return None
+
+ def quit(self):
+ self.quitflag=True
+ os.write(self.quitpipeout, b"q")
+ os.close(self.quitpipeout)
+ return
+
+ def work_forever(self,):
+ self.quitflag = False
+ # This timeout applies to the poll in TCPServer, we need the select
+ # below to wake on our quit pipe closing. We only ever call into handle_request
+ # if there is data there.
+ self.timeout = 0.01
+
+ bb.utils.set_process_name("PRServ")
+
+ # DB connection must be created after all forks
+ self.db = prserv.db.PRData(self.dbfile)
+ self.table = self.db["PRMAIN"]
+
+ logger.info("Started PRServer with DBfile: %s, IP: %s, PORT: %s, PID: %s" %
+ (self.dbfile, self.host, self.port, str(os.getpid())))
+
+ self.handlerthread.start()
+ while not self.quitflag:
+ ready = select.select([self.fileno(), self.quitpipein], [], [], 30)
+ if self.quitflag:
+ break
+ if self.fileno() in ready[0]:
+ self.handle_request()
+ self.handlerthread.join()
+ self.db.disconnect()
+ logger.info("PRServer: stopping...")
+ self.server_close()
+ os.close(self.quitpipein)
+ return
+
+ def start(self):
+ if self.daemon:
+ pid = self.daemonize()
+ else:
+ pid = self.fork()
+ self.pid = pid
+
+ # Ensure both the parent sees this and the child from the work_forever log entry above
+ logger.info("Started PRServer with DBfile: %s, IP: %s, PORT: %s, PID: %s" %
+ (self.dbfile, self.host, self.port, str(pid)))
+
+ def delpid(self):
+ os.remove(self.pidfile)
+
+ def daemonize(self):
+ """
+ See Advanced Programming in the UNIX, Sec 13.3
+ """
+ try:
+ pid = os.fork()
+ if pid > 0:
+ os.waitpid(pid, 0)
+ #parent return instead of exit to give control
+ return pid
+ except OSError as e:
+ raise Exception("%s [%d]" % (e.strerror, e.errno))
+
+ os.setsid()
+ """
+ fork again to make sure the daemon is not session leader,
+ which prevents it from acquiring controlling terminal
+ """
+ try:
+ pid = os.fork()
+ if pid > 0: #parent
+ os._exit(0)
+ except OSError as e:
+ raise Exception("%s [%d]" % (e.strerror, e.errno))
+
+ self.cleanup_handles()
+ os._exit(0)
+
+ def fork(self):
+ try:
+ pid = os.fork()
+ if pid > 0:
+ return pid
+ except OSError as e:
+ raise Exception("%s [%d]" % (e.strerror, e.errno))
+
+ bb.utils.signal_on_parent_exit("SIGTERM")
+ self.cleanup_handles()
+ os._exit(0)
+
+ def cleanup_handles(self):
+ signal.signal(signal.SIGINT, self.sigint_handler)
+ signal.signal(signal.SIGTERM, self.sigterm_handler)
+ os.chdir("/")
+
+ sys.stdout.flush()
+ sys.stderr.flush()
+
+ # We could be called from a python thread with io.StringIO as
+ # stdout/stderr or it could be 'real' unix fd forking where we need
+ # to physically close the fds to prevent the program launching us from
+ # potentially hanging on a pipe. Handle both cases.
+ si = open('/dev/null', 'r')
+ try:
+ os.dup2(si.fileno(),sys.stdin.fileno())
+ except (AttributeError, io.UnsupportedOperation):
+ sys.stdin = si
+ so = open(self.logfile, 'a+')
+ try:
+ os.dup2(so.fileno(),sys.stdout.fileno())
+ except (AttributeError, io.UnsupportedOperation):
+ sys.stdout = so
+ try:
+ os.dup2(so.fileno(),sys.stderr.fileno())
+ except (AttributeError, io.UnsupportedOperation):
+ sys.stderr = so
+
+ # Clear out all log handlers prior to the fork() to avoid calling
+ # event handlers not part of the PRserver
+ for logger_iter in logging.Logger.manager.loggerDict.keys():
+ logging.getLogger(logger_iter).handlers = []
+
+ # Ensure logging makes it to the logfile
+ streamhandler = logging.StreamHandler()
+ streamhandler.setLevel(logging.DEBUG)
+ formatter = bb.msg.BBLogFormatter("%(levelname)s: %(message)s")
+ streamhandler.setFormatter(formatter)
+ logger.addHandler(streamhandler)
+
+ # write pidfile
+ pid = str(os.getpid())
+ pf = open(self.pidfile, 'w')
+ pf.write("%s\n" % pid)
+ pf.close()
+
+ self.work_forever()
+ self.delpid()
+
+class PRServSingleton(object):
+ def __init__(self, dbfile, logfile, interface):
+ self.dbfile = dbfile
+ self.logfile = logfile
+ self.interface = interface
+ self.host = None
+ self.port = None
+
+ def start(self):
+ self.prserv = PRServer(self.dbfile, self.logfile, self.interface, daemon=False)
+ self.prserv.start()
+ self.host, self.port = self.prserv.getinfo()
+
+ def getinfo(self):
+ return (self.host, self.port)
+
+class PRServerConnection(object):
+ def __init__(self, host, port):
+ if is_local_special(host, port):
+ host, port = singleton.getinfo()
+ self.host = host
+ self.port = port
+ self.connection, self.transport = bb.server.xmlrpcclient._create_server(self.host, self.port)
+
+ def terminate(self):
+ try:
+ logger.info("Terminating PRServer...")
+ self.connection.quit()
+ except Exception as exc:
+ sys.stderr.write("%s\n" % str(exc))
+
+ def getPR(self, version, pkgarch, checksum):
+ return self.connection.getPR(version, pkgarch, checksum)
+
+ def ping(self):
+ return self.connection.ping()
+
+ def export(self,version=None, pkgarch=None, checksum=None, colinfo=True):
+ return self.connection.export(version, pkgarch, checksum, colinfo)
+
+ def dump_db(self):
+ return self.connection.dump_db()
+
+ def importone(self, version, pkgarch, checksum, value):
+ return self.connection.importone(version, pkgarch, checksum, value)
+
+ def getinfo(self):
+ return self.host, self.port
+
+def start_daemon(dbfile, host, port, logfile):
+ ip = socket.gethostbyname(host)
+ pidfile = PIDPREFIX % (ip, port)
+ try:
+ pf = open(pidfile,'r')
+ pid = int(pf.readline().strip())
+ pf.close()
+ except IOError:
+ pid = None
+
+ if pid:
+ sys.stderr.write("pidfile %s already exist. Daemon already running?\n"
+ % pidfile)
+ return 1
+
+ server = PRServer(os.path.abspath(dbfile), os.path.abspath(logfile), (ip,port))
+ server.start()
+
+ # Sometimes, the port (i.e. localhost:0) indicated by the user does not match with
+ # the one the server actually is listening, so at least warn the user about it
+ _,rport = server.getinfo()
+ if port != rport:
+ sys.stdout.write("Server is listening at port %s instead of %s\n"
+ % (rport,port))
+ return 0
+
+def stop_daemon(host, port):
+ import glob
+ ip = socket.gethostbyname(host)
+ pidfile = PIDPREFIX % (ip, port)
+ try:
+ pf = open(pidfile,'r')
+ pid = int(pf.readline().strip())
+ pf.close()
+ except IOError:
+ pid = None
+
+ if not pid:
+ # when server starts at port=0 (i.e. localhost:0), server actually takes another port,
+ # so at least advise the user which ports the corresponding server is listening
+ ports = []
+ portstr = ""
+ for pf in glob.glob(PIDPREFIX % (ip,'*')):
+ bn = os.path.basename(pf)
+ root, _ = os.path.splitext(bn)
+ ports.append(root.split('_')[-1])
+ if len(ports):
+ portstr = "Wrong port? Other ports listening at %s: %s" % (host, ' '.join(ports))
+
+ sys.stderr.write("pidfile %s does not exist. Daemon not running? %s\n"
+ % (pidfile,portstr))
+ return 1
+
+ try:
+ PRServerConnection(ip, port).terminate()
+ except:
+ logger.critical("Stop PRService %s:%d failed" % (host,port))
+
+ try:
+ if pid:
+ wait_timeout = 0
+ print("Waiting for pr-server to exit.")
+ while is_running(pid) and wait_timeout < 50:
+ time.sleep(0.1)
+ wait_timeout += 1
+
+ if is_running(pid):
+ print("Sending SIGTERM to pr-server.")
+ os.kill(pid,signal.SIGTERM)
+ time.sleep(0.1)
+
+ if os.path.exists(pidfile):
+ os.remove(pidfile)
+
+ except OSError as e:
+ err = str(e)
+ if err.find("No such process") <= 0:
+ raise e
+
+ return 0
+
+def is_running(pid):
+ try:
+ os.kill(pid, 0)
+ except OSError as err:
+ if err.errno == errno.ESRCH:
+ return False
+ return True
+
+def is_local_special(host, port):
+ if host.strip().upper() == 'localhost'.upper() and (not port):
+ return True
+ else:
+ return False
+
+class PRServiceConfigError(Exception):
+ pass
+
+def auto_start(d):
+ global singleton
+
+ # Shutdown any existing PR Server
+ auto_shutdown()
+
+ host_params = list(filter(None, (d.getVar('PRSERV_HOST') or '').split(':')))
+ if not host_params:
+ return None
+
+ if len(host_params) != 2:
+ logger.critical('\n'.join(['PRSERV_HOST: incorrect format',
+ 'Usage: PRSERV_HOST = "<hostname>:<port>"']))
+ raise PRServiceConfigError
+
+ if is_local_special(host_params[0], int(host_params[1])) and not singleton:
+ import bb.utils
+ cachedir = (d.getVar("PERSISTENT_DIR") or d.getVar("CACHE"))
+ if not cachedir:
+ logger.critical("Please set the 'PERSISTENT_DIR' or 'CACHE' variable")
+ raise PRServiceConfigError
+ bb.utils.mkdirhier(cachedir)
+ dbfile = os.path.join(cachedir, "prserv.sqlite3")
+ logfile = os.path.join(cachedir, "prserv.log")
+ singleton = PRServSingleton(os.path.abspath(dbfile), os.path.abspath(logfile), ("localhost",0))
+ singleton.start()
+ if singleton:
+ host, port = singleton.getinfo()
+ else:
+ host = host_params[0]
+ port = int(host_params[1])
+
+ try:
+ connection = PRServerConnection(host,port)
+ connection.ping()
+ realhost, realport = connection.getinfo()
+ return str(realhost) + ":" + str(realport)
+
+ except Exception:
+ logger.critical("PRservice %s:%d not available" % (host, port))
+ raise PRServiceConfigError
+
+def auto_shutdown():
+ global singleton
+ if singleton:
+ host, port = singleton.getinfo()
+ try:
+ PRServerConnection(host, port).terminate()
+ except:
+ logger.critical("Stop PRService %s:%d failed" % (host,port))
+
+ try:
+ os.waitpid(singleton.prserv.pid, 0)
+ except ChildProcessError:
+ pass
+ singleton = None
+
+def ping(host, port):
+ conn=PRServerConnection(host, port)
+ return conn.ping()