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Connections and showmsg inconsistency #488

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@subhacom

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@subhacom

While src and dest fields are unambiguous in the directionality of connections, that via shared message is bidirectional. If MOOSE is automatically ordering the subfields (dest and src) in a shared messaged, the outcomes should be identical irrespective of the order of the arguments to moose.connect. But in the example below, where I create two HHChannels, x and y and connect them a to a compartment comp, this is not the case:

In [1]: comp = moose.Compartment('comp')

In [2]: ch = moose.HHChannel('x')

In [3]: moose.connect(ch, 'channel', comp, 'channel')
Out[3]: <moose.SingleMsg id=5 dataIndex=6 path=/Msgs[0]/singleMsg[6]>

In [4]: moose.showmsg(ch)
INCOMING:
  /x, [parentMsg] <-- /, [childOut]
  /x, [process,reinit] <-- /clock, [process4,reinit4]

OUTGOING:
  /x, [childOut] --> /x[0]/gateX, [parentMsg]
  /x, [childOut] --> /x[0]/gateY, [parentMsg]
  /x, [childOut] --> /x[0]/gateZ, [parentMsg]
  /x, [channelOut] --> /comp, [handleChannel]


In [5]: moose.showmsg(comp)
INCOMING:
  /comp, [parentMsg] <-- /, [childOut]
  /comp, [initProc,initReinit] <-- /clock, [process2,reinit2]
  /comp, [process,reinit] <-- /clock, [process3,reinit3]
  /comp, [handleChannel] <-- /x, [channelOut]

OUTGOING:
  /x, [channelOut] --> /comp, [handleChannel]


In [6]: ch2 = moose.HHChannel('y')

In [7]: moose.connect(comp, 'channel', ch2, 'channel')
Out[7]: <moose.SingleMsg id=5 dataIndex=7 path=/Msgs[0]/singleMsg[7]>

In [8]: moose.showmsg(ch2)
INCOMING:
  /y, [parentMsg] <-- /, [childOut]
  /y, [process,reinit] <-- /clock, [process4,reinit4]
  /y, [Vm] <-- /comp, [VmOut]

OUTGOING:
  /y, [childOut] --> /y[0]/gateX, [parentMsg]
  /y, [childOut] --> /y[0]/gateY, [parentMsg]
  /y, [childOut] --> /y[0]/gateZ, [parentMsg]
  /comp, [VmOut] --> /y, [Vm]

In [9]: moose.showmsg(comp)
INCOMING:
  /comp, [parentMsg] <-- /, [childOut]
  /comp, [initProc,initReinit] <-- /clock, [process2,reinit2]
  /comp, [process,reinit] <-- /clock, [process3,reinit3]
  /comp, [handleChannel] <-- /x, [channelOut]

OUTGOING:
  /x, [channelOut] --> /comp, [handleChannel]
  /comp, [VmOut] --> /y, [Vm]

Also, the incoming and outgoing message listings seem confusing.

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