core: Initial implementation for run-time selection of log level

Log level can be controlled using NFD_LOG environment variable. The
following options are available

Set up log level using mnemonic

    NFD_LOG=none|error|warn|info|debug|trace

Set up log level using log-level number (0 none, >=5 all)

    NFD_LOG=0|1|2|3|4|5|6|...

Change-Id: Id38c2775f1137a4e38e4896963ab9a01fc863d2c
Refs: #1267
3 files changed
tree: d38b75fd6d0963f258ca999af558072726c733a6
  1. .waf-tools/
  2. daemon/
  3. docs/
  4. tests/
  5. tools/
  6. .gitignore
  7. .travis.yml
  8. COPYING
  9. INSTALL.md
  10. README-dev.md
  11. README.md
  12. waf
  13. wscript
README.md

NFD - Named Data Networking Forwarding Daemon