tools: include the key name in keylocator as the NFD id in nfd-status

refs #1807

Change-Id: I28f17c459efb720f957f33a6fc27a55edde719ea
diff --git a/tools/nfd-status-http-server-files/nfd-status.xsl b/tools/nfd-status-http-server-files/nfd-status.xsl
index e7cc55a..031f273 100644
--- a/tools/nfd-status-http-server-files/nfd-status.xsl
+++ b/tools/nfd-status-http-server-files/nfd-status.xsl
@@ -72,6 +72,7 @@
   <table class="item-list">
     <thead>
       <tr>
+        <th>NFD ID</th>
         <th>Version</th>
         <th>Start time</th>
         <th>Current time</th>
@@ -89,6 +90,7 @@
     </thead>
     <tbody>
       <tr class="center">
+        <td><xsl:apply-templates select="nfd:nfdId"/></td>
         <td><xsl:apply-templates select="nfd:version"/></td>
         <td><xsl:call-template name="formatDate"><xsl:with-param name="date" select="nfd:startTime" /></xsl:call-template></td>
         <td><xsl:call-template name="formatDate"><xsl:with-param name="date" select="nfd:currentTime" /></xsl:call-template></td>
diff --git a/tools/nfd-status.cpp b/tools/nfd-status.cpp
index 3262a28..219e53d 100644
--- a/tools/nfd-status.cpp
+++ b/tools/nfd-status.cpp
@@ -184,9 +184,20 @@
   afterFetchedVersionInformation(const Data& data)
   {
     nfd::ForwarderStatus status(data.getContent());
+    std::string nfdId;
+    if (data.getSignature().hasKeyLocator())
+      {
+        const ndn::KeyLocator& locator = data.getSignature().getKeyLocator();
+        if (locator.getType() == KeyLocator::KeyLocator_Name)
+          nfdId = locator.getName().toUri();
+        //todo: KeyDigest supporting
+      }
+
     if (m_isOutputXml)
       {
         std::cout << "<generalStatus>";
+        std::cout << "<nfdId>"
+                  << nfdId << "</nfdId>";
         std::cout << "<version>"
                   << status.getNfdVersion() << "</version>";
         std::cout << "<startTime>"
@@ -228,6 +239,8 @@
     else
       {
         std::cout << "General NFD status:" << std::endl;
+        std::cout << "                 nfdId="
+                  << nfdId << std::endl;
         std::cout << "               version="
                   << status.getNfdVersion() << std::endl;
         std::cout << "             startTime="