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View Code? Open in Web Editor NEWNetwork simulation and visualisation tool
License: GNU General Public License v2.0
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Info [router] does not list neighbors
when executing the info [router] command (or pressing a node in the plot) the neighbors statement only lists: <dictionary-keyiterator object at 0x11462b158>
full listing:
>>> info trd-gw
Information for node trd-gw:
name : trd-gw
degree : 9
eccentricity : 6
betweenness : 0.477 (100.00% of max, 1139.03% of avg)
neighbors : <dictionary-keyiterator object at 0x11462b158>
links : trd-narvik (15), trd-teknobyen2 (1), trd-stjordal (14), trd-
teknobyen (4), trd-oslo-100 (10), trd-gw.trd-
gw7-2 (1), trd-tromso (28), trd-gw.trd-gw2
(1), trd-hovedbygget (5)
longest paths : trd-gw <-> kake-gw1 (110.0), trd-gw <-> kake-gw2 (70.0), trd-gw
<-> rena-gw1 (62.0), trd-gw <-> evenstad-gw2
(62.0), trd-gw <-> karasjok-gw1 (61.0), trd-gw
<-> rena-gw2 (61.0), trd-gw <-> evenstad-gw3
(61.0), trd-gw <-> sogndal-gw2 (61.0)
Running on networkx 2.2
Traceback with isolated node or one-way link in pajek schema
When loading a config with a isolated nodes (or one way link to a isolated node) a traceback is generated and pymetric fails.
--> $ python metrics.py ../../drift.uninett.no/htdocs/nett/ip-nett/isis-uninett.net
Initializing model....
Traceback (most recent call last):
File "metrics.py", line 42, in <module>
cli = MetricShell(filename=infile)
File "/Users/runarb/src/metric/pymetric/command.py", line 47, in __init__
self.model.refresh_from_file(self.filename)
File "/Users/runarb/src/metric/pymetric/model.py", line 605, in refresh_from_file
self._refresh_all_paths()
File "/Users/runarb/src/metric/pymetric/model.py", line 627, in _refresh_all_paths
self.nodes_and_paths_using_edge(edge[0], edge[1], self.G)
File "/Users/runarb/src/metric/pymetric/model.py", line 102, in nodes_and_paths_using_edge
for path in paths[1]:
TypeError: 'NoneType' object is not iterable
Isolating a node in sim mode rases exception
When a node is isolated with the linkfail command command pymetric throws a traceback and fail
(sim) >>> linkfail kake-gw2 stolav-gw3
Traceback (most recent call last):
File "metrics.py", line 45, in <module>
cli.cmdloop()
File "/Users/runarb/src/metric/pymetric/command.py", line 64, in cmdloop
Cmd.cmdloop(self)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/cmd.py", line 143, in cmdloop
stop = self.postcmd(stop, line)
File "/Users/runarb/src/metric/pymetric/command.py", line 86, in postcmd
difflen = nx.average_shortest_path_length(self.simulation.graph)\
File "/Library/Python/2.7/site-packages/networkx/algorithms/shortest_paths/generic.py", line 391, in average_shortest_path_length
raise nx.NetworkXError("Graph is not weakly connected.")
networkx.exception.NetworkXError: Graph is not weakly connected.
Failure to start with newer networkx python module
Pymetric fails to start when networkx version 2.1 is used.
The error is:
Initializing model....
Traceback (most recent call last):
File "/home/he/pymetric/metrics.py", line 42, in <module>
cli = MetricShell(filename=infile)
File "/home/he/pymetric/command.py", line 47, in __init__
self.model.refresh_from_file(self.filename)
File "/home/he/pymetric/model.py", line 591, in refresh_from_file
self.graph = read_pajek(filename)
File "/home/he/pymetric/pajek.py", line 27, in read_pajek
G=parse_pajek(lines)
File "/home/he/pymetric/pajek.py", line 90, in parse_pajek
G.add_edge(u,v,edge_data)
TypeError: add_edge() takes exactly 3 arguments (4 given)
%
The problem is apparently that the API of networkx has changed.
I have a proposed fix, I'll submit it as a pull request and link it to
this issue.
speed to string only supports some specific speeds
Lines 56 to 72 in b32bdde
cap2str does only support some specific speeds , comming with a 20Gbit/s link will result in an speed of "Unknown". this must be made more dynamic to allow for more custom speeds.
An example implementation:
def cap2str(capacity):
if capacity < 1000:
s, i = "K", float(capacity)
elif capacity < 1000000:
s, i = "M", round(float(capacity)/1000.0, 1)
elif capacity < 1000000000:
s, i = "G", round(float(capacity)/1000000.0, 1)
elif capacity < 1000000000000:
s, i = "T", round(float(capacity)/1000000000.0,1)
if i % 1 == 0:
return "{:0.0f}{}bit/s".format(i, s)
else:
return "{:0.1f}{}bit/s".format(i, s)
This will produce:
600 : 600Kbit/s
1500 : 1.5Mbit/s
1984 : 2Mbit/s
34000 : 34Mbit/s
34010 : 34Mbit/s
100000 : 100Mbit/s
155000 : 155Mbit/s
1000000 : 1Gbit/s
2488000 : 2.5Gbit/s
2500000 : 2.5Gbit/s
5000000 : 5Gbit/s
10000000 : 10Gbit/s
20000000 : 20Gbit/s
25000000 : 25Gbit/s
40000000 : 40Gbit/s
50000000 : 50Gbit/s
100000000 : 100Gbit/s
200000000 : 200Gbit/s
400000000 : 400Gbit/s
800000000 : 800Gbit/s
1000000000 : 1Tbit/s
1200000000 : 1.2Tbit/s
One-way-link between two nodes in pajek rases keyError on load
When loading a pajek with a one-way link networkx failes computation with a keyError
Traceback (most recent call last):
File "metrics.py", line 45, in <module>
cli.cmdloop()
File "/Users/runarb/src/metric/pymetric/command.py", line 64, in cmdloop
Cmd.cmdloop(self)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/cmd.py", line 142, in cmdloop
stop = self.onecmd(line)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/cmd.py", line 221, in onecmd
return func(arg)
File "/Users/runarb/src/metric/pymetric/command.py", line 424, in do_plot
self.gui.plot(G, graphdata, edge_cmap=cmap, edge_capa=capa)
File "/Users/runarb/src/metric/pymetric/plotting.py", line 292, in plot
pos=data['pos'])
File "/Users/runarb/src/metric/pymetric/plotting.py", line 350, in _plot_edge_labels
if d < 70 and G[v][u]['weight'] == w['weight']:
File "/Library/Python/2.7/site-packages/networkx/classes/coreviews.py", line 54, in __getitem__
return self._atlas[key]
KeyError: 'ifi2-gw4'
info [router] longest paths lists weigth values as float
not as integers.
example:
longest paths : stolav-gw3 <-> karasjok-gw1 (91.0), stolav-gw3 <-> evenstad-gw3
(85.0), stolav-gw3 <-> evenstad-gw2 (84.0),
stolav-gw3 <-> forde-gw2 (80.0), stolav-gw3
<-> kake-gw1 (80.0), stolav-gw3 <-> sogndal-
gw1 (79.0), stolav-gw3 <-> sogndal-gw2 (78.0),
stolav-gw3 <-> longyear-gw4 (73.0)
No valid path text
The print statements for print "No valid path from %s to %s in model" are lacking the formatting parameters, node names are displayed as %s instead of real names
"Special" links speeds are not supported.
Link speeds other than some special speeds are not supported. eg. 2,2.5,5,20,25,40gbit++ is not supported in the current implementation and failes with this error:
(sim) >>> plot with-load
Traceback (most recent call last):
File "/home/he/Desktop/pymetric/metrics.py", line 45, in <module>
cli.cmdloop()
File "/home/he/Desktop/pymetric/command.py", line 64, in cmdloop
Cmd.cmdloop(self)
File "/usr/pkg/lib/python2.7/cmd.py", line 142, in cmdloop
stop = self.onecmd(line)
File "/usr/pkg/lib/python2.7/cmd.py", line 221, in onecmd
return func(arg)
File "/home/he/Desktop/pymetric/command.py", line 424, in do_plot
self.gui.plot(G, graphdata, edge_cmap=cmap, edge_capa=capa)
File "/home/he/Desktop/pymetric/plotting.py", line 248, in plot
for i in range(len(edges))]
KeyError: 40000000
This comes by the line-width array be'ing a static mapping and not allows for dynamic scaling.
se:
Line 53 in b32bdde
New speeds needs to be added as a short fix, and as a permanent fix this scaling needs to be done dynamically to allow for whatever speed is available
Traceback on info [router] and when clicking on a node when in sim-mode
When in sim mode the application presents a traceback when pressing a node in the plot-tree:
(sim) (1c/107:5:0n) >>> Information for node kjeller-gw1:
Exception in Tkinter callback
Traceback (most recent call last):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/Tkinter.py", line 1536, in __call__
return self.func(*args)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/backends/backend_tkagg.py", line 395, in button_press_event
FigureCanvasBase.button_press_event(self, x, y, num, dblclick=dblclick, guiEvent=event)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/backend_bases.py", line 1785, in button_press_event
self.callbacks.process(s, mouseevent)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/cbook.py", line 527, in process
proxy(*args, **kwargs)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/cbook.py", line 405, in __call__
return mtd(*args, **kwargs)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/backend_bases.py", line 1671, in pick
self.figure.pick(mouseevent)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/artist.py", line 354, in pick
a.pick(mouseevent)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/axes.py", line 3154, in pick
martist.Artist.pick(self, args[0])
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/artist.py", line 354, in pick
a.pick(mouseevent)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/artist.py", line 343, in pick
self.figure.canvas.pick_event(mouseevent, self, **prop)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/backend_bases.py", line 1751, in pick_event
self.callbacks.process(s, event)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/cbook.py", line 527, in process
proxy(*args, **kwargs)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/matplotlib/cbook.py", line 405, in __call__
return mtd(*args, **kwargs)
File "/Users/runarb/src/metric/pymetric/plotting.py", line 123, in picktest
self.command.fromui(nodes[i])
File "/Users/runarb/src/metric/pymetric/command.py", line 71, in fromui
self.do_info(node)
File "/Users/runarb/src/metric/pymetric/command.py", line 543, in do_info
infohash = model.get_node_info(args)
File "/Users/runarb/src/metric/pymetric/model.py", line 744, in get_node_info
G.edges(node, data=True))
File "/Users/runarb/src/metric/pymetric/model.py", line 743, in <lambda>
+ " (" + str(int(x[2])) + ")",
TypeError: int() argument must be a string or a number, not 'dict'
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