From: Paul Barker <pbarker@konsulko.com>

Update the prserv client and server classes to use the modern json and
asyncio based RPC system implemented by the asyncrpc module.

Signed-off-by: Paul Barker <pbarker@konsulko.com>
[updated for asyncrpc changes, client split to separate file]
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

-    def export(self,version=None, pkgarch=None, checksum=None, colinfo=True):
-        return self.connection.export(version, pkgarch, checksum, colinfo)
+class PRServSingleton(object):
+    def __init__(self, dbfile, logfile, host, port):
+        self.dbfile = dbfile
+        self.logfile = logfile
+        self.host = host
+        self.port = port

-    def importone(self, version, pkgarch, checksum, value):
-        return self.connection.importone(version, pkgarch, checksum, value)
+    def start(self):
+        self.prserv = PRServer(self.dbfile)
+        self.prserv.start_tcp_server(self.host, self.port)
+        self.process = self.prserv.serve_as_process()

-    def getinfo(self):
-        return self.host, self.port
+        if not self.port:
+            self.port = int(self.prserv.address.rsplit(':', 1)[1])

bitbake@599696cd20aa:~/nodistro/honister$ bitbake -k pkgconfig-native
Traceback (most recent call last):
  File "/OE/nodistro/honister/bitbake/bin/bitbake", line 35, in <module>
    sys.exit(bitbake_main(BitBakeConfigParameters(sys.argv),
  File "/OE/nodistro/honister/bitbake/lib/bb/main.py", line 385, in bitbake_main
    return ui_module.main(server_connection.connection, server_connection.events,
  File "/OE/nodistro/honister/bitbake/lib/bb/ui/knotty.py", line 397, in main
    params.updateToServer(server, os.environ.copy())
  File "/OE/nodistro/honister/bitbake/lib/bb/cookerdata.py", line 75, in updateToServer
    raise Exception("Unable to update the server configuration with local parameters: %s" % error)
Exception: Unable to update the server configuration with local parameters: Traceback (most recent call last):
  File "/OE/nodistro/honister/bitbake/lib/bb/command.py", line 90, in runCommand
    result = command_method(self, commandline)
  File "/OE/nodistro/honister/bitbake/lib/bb/command.py", line 286, in updateConfig
    command.cooker.updateConfigOpts(options, environment, cmdline)
  File "/OE/nodistro/honister/bitbake/lib/bb/cooker.py", line 491, in updateConfigOpts
    self.reset()
  File "/OE/nodistro/honister/bitbake/lib/bb/cooker.py", line 1717, in reset
    self.handlePRServ()
  File "/OE/nodistro/honister/bitbake/lib/bb/cooker.py", line 383, in handlePRServ
    self.prhost = prserv.serv.auto_start(self.data)
  File "/OE/nodistro/honister/bitbake/lib/prserv/serv.py", line 318, in auto_start
    singleton.start()
  File "/OE/nodistro/honister/bitbake/lib/prserv/serv.py", line 133, in start
    self.port = int(self.prserv.address.rsplit(':', 1)[1])
AttributeError: 'NoneType' object has no attribute 'rsplit'