Cli: update 'keysequence' to make keyswithguardtime configurable (#815)

* Cli: update 'keysequence' to make keyswithguardtime configurable

src/cli/README.md

@@ -804,22 +804,42 @@ Stop the Joiner role.
 Done
 ```
 
-### keysequence
+### keysequence counter
 
-Get the Thread Key Sequence.
+Get the Thread Key Sequence Counter.
 
 ```bash
-> keysequence
+> keysequence counter
 10
 Done
 ```
 
-### keysequence \<keysequence\>
+### keysequence counter \<counter\>
 
-Set the Thread Key Sequence.
+Set the Thread Key Sequence Counter.
 
 ```bash
-> keysequence 10
+> keysequence counter 10
+Done
+```
+
+### keysequence guardtime
+
+Get Thread Key Switch Guard Time (in hours)
+
+```bash
+> keysequence guardtime
+0
+Done
+```
+
+### keysequence guardtime \<guardtime\>
+
+Set Thread Key Switch Guard Time (in hours)
+0 means Thread Key Switch imediately if key index match
+
+```bash
+> keysequence guardtime 0
 Done
 ```
 

src/cli/cli.cpp

@@ -765,14 +765,31 @@ void Interpreter::ProcessKeySequence(int argc, char *argv[])
     ThreadError error = kThreadError_None;
     long value;
 
-    if (argc == 0)
+    VerifyOrExit(argc == 1 || argc == 2, error = kThreadError_Parse);
+
+    if (strcmp(argv[0], "counter") == 0)
     {
-        sServer->OutputFormat("%d\r\n", otGetKeySequenceCounter(mInstance));
+        if (argc == 1)
+        {
+            sServer->OutputFormat("%d\r\n", otGetKeySequenceCounter(mInstance));
+        }
+        else
+        {
+            SuccessOrExit(error = ParseLong(argv[1], value));
+            otSetKeySequenceCounter(mInstance, static_cast<uint32_t>(value));
+        }
     }
-    else
+    else if (strcmp(argv[0], "guardtime") == 0)
     {
-        SuccessOrExit(error = ParseLong(argv[0], value));
-        otSetKeySequenceCounter(mInstance, static_cast<uint32_t>(value));
+        if (argc == 1)
+        {
+            sServer->OutputFormat("%d\r\n", otGetKeySwitchGuardTime(mInstance));
+        }
+        else
+        {
+            SuccessOrExit(error = ParseLong(argv[1], value));
+            otSetKeySwitchGuardTime(mInstance, static_cast<uint32_t>(value));
+        }
     }
 
 exit: