Python ServerProxy.list_children方法代码示例

# 需要导入模块: from xmlrpc.client import ServerProxy [as 别名]
# 或者: from xmlrpc.client.ServerProxy import list_children [as 别名]
    def test_ROSLaunchParentNode(self):
        from roslaunch.server import ROSLaunchParentNode
        from roslaunch.server import ChildROSLaunchProcess
        from roslaunch.config import ROSLaunchConfig
        from roslaunch.pmon import ProcessListener
        rosconfig = ROSLaunchConfig()
        try:
            ROSLaunchParentNode(rosconfig, None)
            self.fail("should not allow pm as None")
        except: pass
        pmon = self.pmon
        n = ROSLaunchParentNode(rosconfig, pmon)
        self.assertEquals(rosconfig, n.rosconfig)
        self.assertEquals([], n.listeners)
        self.assertEquals({}, n.child_processes)
        self.assertEquals(n.handler.listeners, n.listeners)
        self.assertEquals(n.handler.child_processes, n.child_processes)

        # test add listener
        self.assertEquals(n.handler.listeners, n.listeners)
        l = ProcessListener() 
        n.add_process_listener(l)
        self.assertEquals([l], n.listeners)
        self.assertEquals(n.handler.listeners, n.listeners)

        # now, lets make some xmlrpc calls against it
        import roslaunch.config
        server = roslaunch.server.ROSLaunchParentNode(roslaunch.config.ROSLaunchConfig(), self.pmon)

        # it's really dangerous for logging when both a parent and a
        # child are in the same process, so out of paranoia, clear the
        # logging handlers
        roslaunch.core.clear_printlog_handlers()
        roslaunch.core.clear_printerrlog_handlers()
        
        # - register a fake child with the server so that it accepts registration from ROSLaunchChild
        child_name = 'child-%s'%time.time()
        child_proc = ChildROSLaunchProcess('foo', [], {})
        server.add_child(child_name, child_proc)
        
        try:
            server.start()
            self.assert_(server.uri, "server URI did not initialize")
            s = ServerProxy(server.uri)
            child_uri = 'http://fake-unroutable:1324'
            # - list children should be empty
            val = self._succeed(s.list_children())
            self.assertEquals([], val)
            # - register
            val = self._succeed(s.register(child_name, child_uri))
            self.assertEquals(1, val)
            # - list children
            val = self._succeed(s.list_children())
            self.assertEquals([child_uri], val)
        finally:
            server.shutdown('test done')

# 需要导入模块: from xmlrpc.client import ServerProxy [as 别名]
# 或者: from xmlrpc.client.ServerProxy import list_children [as 别名]
    def test_ROSLaunchChildNode(self):
        from roslaunch.server import ROSLaunchChildNode
        from roslaunch.server import ChildROSLaunchProcess
        pmon = self.pmon
        try:
            # if there is a core up, we have to use its run id
            run_id = get_param('/run_id')
        except:
            run_id = 'foo-%s'%time.time()
        name = 'foo-bob'
        server_uri = 'http://localhost:12345'
        try:
            ROSLaunchChildNode(run_id, name, server_uri, None)
            self.fail("should not allow pm as None")
        except: pass
        try:
            ROSLaunchChildNode(run_id, name, 'http://bad_uri:0', pmon)
            self.fail("should not allow bad uri")
        except: pass

        n = ROSLaunchChildNode(run_id, name, server_uri, pmon)
        self.assertEquals(run_id, n.run_id)
        self.assertEquals(name, n.name)        
        self.assertEquals(server_uri, n.server_uri)

        # tests for actual registration with server
        import roslaunch.config
        server = roslaunch.server.ROSLaunchParentNode(roslaunch.config.ROSLaunchConfig(), self.pmon)
        # - register a fake child with the server so that it accepts registration from ROSLaunchChild
        child_proc = ChildROSLaunchProcess('foo', [], {})
        server.add_child(name, child_proc)
        
        try:
            server.start()
            self.assert_(server.uri, "server URI did not initialize")
            s = ServerProxy(server.uri)

            print("SERVER STARTED")
            
            # start the child
            n = ROSLaunchChildNode(run_id, name, server.uri, pmon)            
            n.start()
            print("CHILD STARTED")            
            self.assert_(n.uri, "child URI did not initialize")            

            # verify registration
            print("VERIFYING REGISTRATION")                        
            self.assertEquals(child_proc.uri, n.uri)
            child_uri = 'http://fake-unroutable:1324'
            # - list children
            val = self._succeed(s.list_children())
            self.assertEquals([n.uri], val)
        finally:
            print("SHUTTING DOWN")                                    
            n.shutdown('test done')
            server.shutdown('test done')

# 需要导入模块: from xmlrpc.client import ServerProxy [as 别名]
# 或者: from xmlrpc.client.ServerProxy import list_children [as 别名]
def roslaunch_uris_check(ctx):
    # check for any roslaunch processes that cannot be contacted
    bad = []
    # uris only contains the parent launches
    for uri in ctx.roslaunch_uris:
        try:
            r = ServerProxy(uri)
            code, msg, val = r.list_children()
            # check the children launches
            if code == 1:
                for child_uri in val:
                    try:
                        r = ServerProxy(uri)
                        code, msg, val = r.get_pid()
                    except:
                        bad.append(child_uri)
        except:
            bad.append(uri)
    return bad