Diff: DnsQuery.cpp

Branch:

api-changes

Revision:

7:cbe1ef566314

Parent:

6:5b28cbc8169c

Child:

9:16e5208cc4ef

--- a/DnsQuery.cpp	Mon Feb 22 19:58:10 2016 -0600
+++ b/DnsQuery.cpp	Tue Feb 23 01:24:53 2016 -0600
@@ -46,6 +46,11 @@
 
 bool DnsQuery::getHostByName(const char* hostname, char* resolvedIp)
 {
+    if (isIP(hostname)) {
+        strcpy(resolvedIp, hostname);
+        return true;
+    }
+
     const char * dnsIPs[] = {
         "8.8.8.8",
         "209.244.0.3",
@@ -64,6 +69,24 @@
     
 }
 
+bool DnsQuery::isIP(const char* hostname) const
+{
+    int i;
+
+    for (i = 0; hostname[i]; i++) {
+        if (!(hostname[i] >= '0' && hostname[i] <= '9') && hostname[i] != '.') {
+            return false;
+        }
+    }
+
+    // Ending with '.' garuntees hostname
+    if (i > 0 && hostname[i-1] == '.') {
+        return false;
+    }
+
+    return true;
+}
+
 bool DnsQuery::getIP(const char* hostname, char* ipaddress)
 {
     INFO("%s", hostname);