[spp] [PATCH 04/10] controller: move nfv help msg to SppNfv

[yasufum.o at gmail.com]

From: Yasufumi Ogawa <yasufum.o at gmail.com>

This patch is to move comment of `do_nfv` to `SppNfv.help` to reduce
the number of lines.

Signed-off-by: Yasufumi Ogawa <yasufum.o at gmail.com>
---
 src/controller/commands/nfv.py | 19 +++++++++++++++++++
 src/controller/shell.py        | 19 +++++--------------
 2 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/src/controller/commands/nfv.py b/src/controller/commands/nfv.py
index 92d2a3f..0989eba 100644
--- a/src/controller/commands/nfv.py
+++ b/src/controller/commands/nfv.py
@@ -442,3 +442,22 @@ class SppNfv(object):
                 pass
             else:
                 print('Error: unknown response.')
+
+    @classmethod
+    def help(cls):
+        msg = """Send a command to spp_nfv specified with ID.
+
+        Spp_nfv is specified with secondary ID and takes sub commands.
+
+          spp > nfv 1; status
+          spp > nfv 1; add ring:0
+          spp > nfv 1; patch phy:0 ring:0
+
+        You can refer all of sub commands by pressing TAB after
+        'nfv 1;'.
+
+          spp > nfv 1;  # press TAB
+          add     del     exit    forward patch   status  stop
+        """
+
+        print(msg)
diff --git a/src/controller/shell.py b/src/controller/shell.py
index bfe963b..b11dac0 100644
--- a/src/controller/shell.py
+++ b/src/controller/shell.py
@@ -302,20 +302,7 @@ class Shell(cmd.Cmd, object):
                 self.cli_config)
 
     def do_nfv(self, cmd):
-        """Send a command to spp_nfv specified with ID.
-
-        Spp_nfv is specified with secondary ID and takes sub commands.
-
-        spp > nfv 1; status
-        spp > nfv 1; add ring:0
-        spp > nfv 1; patch phy:0 ring:0
-
-        You can refer all of sub commands by pressing TAB after
-        'nfv 1;'.
-
-        spp > nfv 1;  # press TAB
-        add     del     exit    forward patch   status  stop
-        """
+        """Send a command to spp_nfv specified with ID."""
 
         # remove unwanted spaces to avoid invalid command error
         tmparg = self.clean_cmd(cmd)
@@ -328,6 +315,10 @@ class Shell(cmd.Cmd, object):
         else:
             print('Invalid command: %s' % tmparg)
 
+    def help_nfv(self):
+        """Print help message of nfv command."""
+        nfv.SppNfv.help()
+
     def complete_nfv(self, text, line, begidx, endidx):
         """Completion for nfv command."""
 
-- 
2.17.1