[spp] Proposal for adding port for external management tools

[Yasufumi Ogawa]

Hi, everyone,

SPP controller is a CLI tool and has no way to send a command from 
remote. Considering to control SPP from a management tool like an 
orchestrator, it should be needed to have another port. This patch is 
adding it (called management port) to SPP for the purpose.

This patch also includes following bug fixes.
- Remove unwanted spaces from the sec command to avoid parse error.
- Add socket.SO_REUSEADDR option for avoiding 'port is already used'.
- Correct command completion.
- Fix errors in report/playback command.

Regards,

Yasufumi

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Yasufumi Ogawa
NTT Network Service Systems Labs
tel: 0422(59)5776  fax: 0422(59)5653
email: ogawa.yasufumi at lab.ntt.co.jp
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