Add API to retrieve EID cache diag information. (#229)

src/cli/README.md

@@ -12,6 +12,7 @@ OpenThread test scripts use the CLI to execute test cases.
 * [childtimeout](#childtimeout)
 * [contextreusedelay](#contextreusedelay)
 * [counter](#counter)
+* [eidcache](#eidcache)
 * [extaddr](#extaddr)
 * [extpanid](#extpanid)
 * [ipaddr](#ipaddr)
@@ -166,6 +167,17 @@ RxTotal: 11
     RxErrOther: 0
 ```
 
+### eidcache
+
+Print the EID-to-RLOC cache entries.
+
+```bash
+> eidcache
+fdde:ad00:beef:0:bb1:ebd6:ad10:f33 ac00
+fdde:ad00:beef:0:110a:e041:8399:17cd 6000
+Done
+```
+
 ### extaddr
 
 Get the IEEE 802.15.4 Extended Address.

src/cli/cli.cpp

@@ -55,6 +55,7 @@ const struct Command Interpreter::sCommands[] =
     { "childtimeout", &ProcessChildTimeout },
     { "contextreusedelay", &ProcessContextIdReuseDelay },
     { "counter", &ProcessCounters },
+    { "eidcache", &ProcessEidCache },
     { "extaddr", &ProcessExtAddress },
     { "extpanid", &ProcessExtPanId },
     { "ipaddr", &ProcessIpAddr },
@@ -346,6 +347,35 @@ void Interpreter::ProcessCounters(int argc, char *argv[])
     }
 }
 
+void Interpreter::ProcessEidCache(int argc, char *argv[])
+{
+    otEidCacheEntry entry;
+
+    for (int i = 0; ; i++)
+    {
+        SuccessOrExit(otGetEidCacheEntry(i, &entry));
+
+        if (entry.mValid == false)
+        {
+            continue;
+        }
+
+        sServer->OutputFormat("%x:%x:%x:%x:%x:%x:%x:%x %04x\r\n",
+                              HostSwap16(entry.mTarget.mFields.m16[0]),
+                              HostSwap16(entry.mTarget.mFields.m16[1]),
+                              HostSwap16(entry.mTarget.mFields.m16[2]),
+                              HostSwap16(entry.mTarget.mFields.m16[3]),
+                              HostSwap16(entry.mTarget.mFields.m16[4]),
+                              HostSwap16(entry.mTarget.mFields.m16[5]),
+                              HostSwap16(entry.mTarget.mFields.m16[6]),
+                              HostSwap16(entry.mTarget.mFields.m16[7]),
+                              entry.mRloc16);
+    }
+
+exit:
+    AppendResult(kThreadError_None);
+}
+
 void Interpreter::ProcessExtAddress(int argc, char *argv[])
 {
     OutputBytes(otGetExtendedAddress(), OT_EXT_ADDRESS_SIZE);

src/cli/cli.hpp

@@ -93,6 +93,7 @@ private:
     static void ProcessChildTimeout(int argc, char *argv[]);
     static void ProcessContextIdReuseDelay(int argc, char *argv[]);
     static void ProcessCounters(int argc, char *argv[]);
+    static void ProcessEidCache(int argc, char *argv[]);
     static void ProcessExtAddress(int argc, char *argv[]);
     static void ProcessExtPanId(int argc, char *argv[]);
     static void ProcessIpAddr(int argc, char *argv[]);