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			230 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			230 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/python3
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# example of how to create a WAN Link using JSON                              -
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#                                                                             -
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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import sys
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import urllib
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if sys.version_info[0] != 3:
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    print("This script requires Python 3")
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    exit()
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import time
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from time import sleep
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from urllib import error
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import pprint
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import LANforge
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from LANforge import LFRequest
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from LANforge import LFUtils
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from LANforge.LFUtils import NA
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j_printer = pprint.PrettyPrinter(indent=2)
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# typically you're using resource 1 in stand alone realm
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resource_id = 1
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def main():
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   base_url = "http://localhost:8080"
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   json_post = ""
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   json_response = ""
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   num_wanlinks = -1
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   # see if there are old wanlinks to remove
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   lf_r = LFRequest.LFRequest(base_url+"/wl/list")
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   try:
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      json_response = lf_r.getAsJson()
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      LFUtils.debug_printer.pprint(json_response)
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      for key,value in json_response.items():
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         if (isinstance(value, dict) and "_links" in value):
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            num_wanlinks = 1
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   except urllib.error.HTTPError as error:
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      num_wanlinks = 0;
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   # remove old wanlinks
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   if (num_wanlinks > 0):
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      lf_r = LFRequest.LFRequest(base_url+"/cli-json/rm_cx")
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      lf_r.addPostData({
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         'test_mgr': 'all',
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         'cx_name': 'wl_eg1'
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      })
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      lf_r.jsonPost()
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      sleep(0.05)
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      lf_r = LFRequest.LFRequest(base_url+"/cli-json/rm_endp")
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      lf_r.addPostData({
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         'endp_name': 'wl_eg1-A'
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      })
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      lf_r.jsonPost()
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      sleep(0.05)
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      lf_r = LFRequest.LFRequest(base_url+"/cli-json/rm_endp")
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      lf_r.addPostData({
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         'endp_name': 'wl_eg1-B'
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      })
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      lf_r.jsonPost()
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      sleep(0.05)
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   # create wanlink 1a
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/add_wl_endp")
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   lf_r.addPostData({
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      'alias': 'wl_eg1-A',
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      'shelf': 1,
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      'resource': '1',
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      'port': 'eth3',
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      'latency': '75',
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      'max_rate': '128000',
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      'description': 'cookbook-example'
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   })
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   lf_r.jsonPost()
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   sleep(0.05)
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   # create wanlink 1b
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/add_wl_endp")
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   lf_r.addPostData({
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      'alias': 'wl_eg1-B',
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      'shelf': 1,
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      'resource': '1',
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      'port': 'eth5',
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      'latency': '95',
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      'max_rate': '256000',
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      'description': 'cookbook-example'
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   })
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   lf_r.jsonPost()
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   sleep(0.05)
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   # create cx
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/add_cx")
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   lf_r.addPostData({
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      'alias': 'wl_eg1',
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      'test_mgr': 'default_tm',
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      'tx_endp': 'wl_eg1-A',
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      'rx_endp': 'wl_eg1-B',
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   })
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   lf_r.jsonPost()
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   sleep(0.05)
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   # start wanlink once we see it
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   seen = 0
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   while (seen < 1):
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      sleep(1)
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      lf_r = LFRequest.LFRequest(base_url+"/wl/wl_eg1?fields=name,state,_links")
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      try:
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         json_response = lf_r.getAsJson()
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         if (json_response is None):
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            continue
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         LFUtils.debug_printer.pprint(json_response)
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         for key,value in json_response.items():
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            if (isinstance(value, dict)):
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               if ("_links" in value):
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                  if (value["name"] == "wl_eg1"):
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                     seen = 1
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                  #else:
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                  #   print(" name was not wl_eg1")
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               #else:
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               #   print("value lacks _links")
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            #else:
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            #   print("value not a dict")
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      except urllib.error.HTTPError as error:
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         print("Error code "+error.code)
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         continue
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   print("starting wanlink:")
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/set_cx_state")
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   lf_r.addPostData({
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      'test_mgr': 'all',
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      'cx_name': 'wl_eg1',
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      'cx_state': 'RUNNING'
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   })
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   lf_r.jsonPost()
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   running = 0
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   while (running < 1):
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      sleep(1)
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      lf_r = LFRequest.LFRequest(base_url+"/wl/wl_eg1?fields=name,state,_links")
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      try:
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         json_response = lf_r.getAsJson()
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         if (json_response is None):
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            continue
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         for key,value in json_response.items():
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            if (isinstance(value, dict)):
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               if ("_links" in value):
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                  if (value["name"] == "wl_eg1"):
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                     if (value["state"].startswith("Run")):
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                        LFUtils.debug_printer.pprint(json_response)
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                        running = 1
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      except urllib.error.HTTPError as error:
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         print("Error code "+error.code)
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         continue
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   print("Wanlink is running, wait one sec...")
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   sleep(1)
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   # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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   # Now we can alter the delay and speed of the wanlink by
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   # updating its endpoints see https://www.candelatech.com/lfcli_ug.php#set_wanlink_info
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   # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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   print("Updating Wanlink...")
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/set_wanlink_info")
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   lf_r.addPostData({
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      'name': 'wl_eg1-A',
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      'speed': 265333,
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      'latency': 30,
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      'reorder_freq': 3200,   # thats 3200/1000000
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      'drop_freq': 2000,      #  2000/1000000
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      'dup_freq': 1325,       #  1325/1000000
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      'jitter_freq': 25125,   # 25125/1000000
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   })
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   lf_r.jsonPost()
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   sleep(1)
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   # stop wanlink
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   lf_r = LFRequest.LFRequest(base_url+"/cli-json/set_cx_state")
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   lf_r.addPostData({
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      'test_mgr': 'all',
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      'cx_name': 'wl_eg1',
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      'cx_state': 'STOPPED'
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   })
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   lf_r.jsonPost()
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   running = 1
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   while (running > 0):
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      sleep(1)
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      lf_r = LFRequest.LFRequest(base_url+"/wl/wl_eg1?fields=name,eid,state,_links")
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      LFUtils.debug_printer.pprint(json_response)
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      try:
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         json_response = lf_r.getAsJson()
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         if (json_response is None):
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            continue
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         for key,value in json_response.items():
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            if (isinstance(value, dict)):
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               if ("_links" in value):
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                  if (value["name"] == "wl_eg1"):
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                     if (value["state"].startswith("Stop")):
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                        LFUtils.debug_printer.pprint(json_response)
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                        running = 0
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      except urllib.error.HTTPError as error:
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         print("Error code "+error.code)
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         continue
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   print("Wanlink is stopped.")
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   print("Wanlink info:")
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   lf_r = LFRequest.LFRequest(base_url+"/wl/wl_eg1")
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   json_response = lf_r.getAsJson()
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   LFUtils.debug_printer.pprint(json_response)
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   lf_r = LFRequest.LFRequest(base_url+"/wl_ep/wl_eg1-A")
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   json_response = lf_r.getAsJson()
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   LFUtils.debug_printer.pprint(json_response)
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   lf_r = LFRequest.LFRequest(base_url+"/wl_ep/wl_eg1-B")
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   json_response = lf_r.getAsJson()
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   LFUtils.debug_printer.pprint(json_response)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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if __name__ == '__main__':
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    main()
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###
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### |