Use get_connection_status when listing connections

[congwang09]

Resolves: #333, #336

Call get_connection_status() for all connections, when listing connections.

[coveralls]

Pull Request Test Coverage Report for Build 11374100137

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 56.021%

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Totals
Change from base Build 11257380760:	0.0%
Covered Lines:	1070
Relevant Lines:	1910

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💛 - Coveralls

[YufengXin]

Need to make sure the returned response in valid Json format for Meican to show...

[congwang09]

Need to make sure the returned response in valid Json format for Meican to show...

The new format should be right. Example:

{
  "044d9f8a-ad47-4e08-8044-33bf56fe3d5d": {
    "044d9f8a-ad47-4e08-8044-33bf56fe3d5d": {
      "description": null,
      "endpoints": [
        {
          "port_id": "urn:sdx:port:ampath.net:Novi03:1",
          "vlan": "101"
        },
        {
          "port_id": "urn:sdx:port:ampath.net:Novi03:1",
          "vlan": "4095"
        },
        {
          "port_id": "urn:sdx:port:tenet.ac.za:Novi07:1",
          "vlan": "4095"
        },
        {
          "port_id": "urn:sdx:port:tenet.ac.za:Novi07:1",
          "vlan": "101"
        }
      ],
      "name": "fabrictest1",
      "service_id": "044d9f8a-ad47-4e08-8044-33bf56fe3d5d"
    }
  },
  "3231103a-d20b-4ca0-b254-2ddece2b4be0": {
    "3231103a-d20b-4ca0-b254-2ddece2b4be0": {
      "description": null,
      "endpoints": [
        {
          "port_id": "urn:sdx:port:ampath.net:Novi03:1",
          "vlan": "4094"
        },
        {
          "port_id": "urn:sdx:port:ampath.net:Novi03:1",
          "vlan": "4093"
        },
        {
          "port_id": "urn:sdx:port:tenet.ac.za:Novi07:1",
          "vlan": "4094"
        },
        {
          "port_id": "urn:sdx:port:tenet.ac.za:Novi07:1",
          "vlan": "4093"
        }
      ],
      "name": "fabrictest1",
      "service_id": "3231103a-d20b-4ca0-b254-2ddece2b4be0"
    }
  }
}