Tools: Support map field in diagnostics tool.

modules/tools/diagnostics/message.py

@@ -43,6 +43,7 @@ from modules.routing.proto import routing_pb2
 from modules.drivers.proto import mobileye_pb2
 from modules.drivers.proto import delphi_esr_pb2
 from modules.drivers.proto import conti_radar_pb2
+from modules.monitor.proto import system_status_pb2
 
 Refreshrate = 16
 
@@ -233,10 +234,14 @@ class Field(object):
         if self.descriptor.containing_type is not None and \
             self.descriptor.label == self.descriptor.LABEL_REPEATED:
             if self.index is not None:
+                if 'keys' in dir(self.item):
+                    # For map field.
+                    key = sorted(self.item.keys())[self.index]
+                else:
+                    key = self.index
                 self.window.addstr(
-                    0, 0, self.descriptor.name + ": " + str(self.index),
-                    curses.A_BOLD)
-                self.print_out(self.item[self.index], self.descriptor, 1, 2)
+                    0, 0, self.descriptor.name + ": " + str(key), curses.A_BOLD)
+                self.print_out(self.item[key], self.descriptor, 1, 2)
             else:
                 self.window.addstr(0, 0, self.descriptor.name + ": Empty",
                                    curses.A_BOLD)

modules/tools/diagnostics/meta.data

@@ -15,5 +15,6 @@ ROUTING_REQ     routing_pb2.RoutingRequest()            /apollo/routing_request
 MOBILEYE        mobileye_pb2.Mobileye()                 /apollo/sensor/mobileye             10
 DELPHI_ESR      delphi_esr_pb2.DelphiESR()              /apollo/sensor/delphi_esr           10
 CONTI_Radar     conti_radar_pb2.ContiRadar()            /apollo/sensor/conti_radar          10
-SIGNAL_LIGHT   traffic_light_detection_pb2.TrafficLightDetection()  /apollo/perception/traffic_light 10
-DRIVE_EVENT	drive_event_pb2.DriveEvent()	/apollo/drive_event 500
+SIGNAL_LIGHT    traffic_light_detection_pb2.TrafficLightDetection()  /apollo/perception/traffic_light 10
+DRIVE_EVENT     drive_event_pb2.DriveEvent()            /apollo/drive_event                 500
+SYSTEM_STATUS   system_status_pb2.SystemStatus()        /apollo/monitor/system_status       500