tma: Implement example set:sys getter service

stratosphere/tma/client/Main.py

@@ -20,9 +20,16 @@ def main(argc, argv):
         print 'Waiting for connection...'
         c.wait_connected()
         print 'Connected!'
-        c.intf.send_packet(Packet().set_service(ServiceId.ATMOSPHERE_TEST_SERVICE).set_task(0x01000000).write_u32(0x40))
+        c.intf.send_packet(Packet().set_service(ServiceId.SETTINGS_SERVICE).set_task(0x01000000).set_cmd(0).write_str('lm').write_str('sd_card_log_output_directory'))
         resp = c.intf.read_packet()
-        print resp.body
+        success = resp.read_u8() != 0
+        print 'Succeeded: %s' % str(success)
+        if success:
+            size = resp.read_u32()
+            value = resp.body[resp.offset:resp.offset+size]
+            print 'Value Size: 0x%x' % size
+            print 'Value: %s' % repr(value)
+            
     return 0
     
 if __name__ == '__main__':

stratosphere/tma/client/Packet.py

@@ -70,6 +70,8 @@ class Packet():
         self.offset = 0
         return self
     def write_str(self, s):
+        if s[-1] != '\x00':
+            s += '\x00'
         self.body += s
         self.body_len += len(s)
         return self
@@ -94,6 +96,8 @@ class Packet():
         while self.body[self.offset] != '\x00' and self.offset < self.body_len:
             s += self.body[self.offset]
             self.offset += 1
+        if self.offset < self.body_len and self.body[self.offset] == '\x00':
+            self.offset += 1
     def read_u8(self):
         x, = up('<B', self.body[self.offset:self.offset+1])
         self.offset += 1

stratosphere/tma/client/ServiceId.py

@@ -25,5 +25,5 @@ USB_CONNECT = hash("USBConnect")
 USB_DISCONNECT = hash("USBDisconnect")
 
 ATMOSPHERE_TEST_SERVICE = hash("AtmosphereTestService")
-
+SETTINGS_SERVICE = hash ("SettingsService")