Revision 2:097d4993dd1e, committed 2011-02-18

Comitter:

hlipka

Date:

Fri Feb 18 13:58:54 2011 +0000

Parent:

1:3a3015287572

Commit message:

added license

Changed in this revision

diff -r 3a3015287572 -r 097d4993dd1e dnsresolve.h
--- a/dnsresolve.h	Tue Jan 11 21:35:16 2011 +0000
+++ b/dnsresolve.h	Fri Feb 18 13:58:54 2011 +0000
@@ -1,62 +1,85 @@
-#ifndef __DNSRESOLVE_H__
-#define __DNSRESOLVE_H__
-
-#include "Timer.h"
-#include "wait_api.h"
-
-#include "DNSRequest.h"
-
-class DNSResolver {
-public:
-    DNSResolver() {
-        _request=new DNSRequest();
-        _request->setOnReply(this, &DNSResolver::onReply);
-    };
-
-    ~DNSResolver() {
-        delete _request;
-    };
-
-    IpAddr resolveName(const char* name) {
-        _completed=0;
-        IpAddr addr;
-
-        DNSRequestErr r=_request->resolve(name);
-        if (0!=r) {
-            _request->close();
-            return addr;
-        }
-
-        mbed::Timer tmr;
-        tmr.start();
-        while (0==_completed) {
-            Net::poll();
-            wait(0.1);
-            if (tmr.read()>5)
-                break;
-        }
-
-        if (-1==_completed) {
-            _request->close();
-            return addr;
-        }
-
-        _request->getResult(&addr);
-        _request->close();
-        return addr;
-    };
-
-    void onReply(DNSReply reply) {
-        if (reply==DNS_FOUND)
-            _completed=1;
-        else
-            _completed=-1;
-    };
-
-private:
-    DNSRequest *_request;
-    int _completed; // -1=err,0=running,1=ok
-};
-
-
+/*
+* DNSResolver library
+* Copyright (c) 2010 Hendrik Lipka
+* 
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*/
+
+#ifndef __DNSRESOLVE_H__
+#define __DNSRESOLVE_H__
+
+#include "Timer.h"
+#include "wait_api.h"
+
+#include "DNSRequest.h"
+
+class DNSResolver {
+public:
+    DNSResolver() {
+        _request=new DNSRequest();
+        _request->setOnReply(this, &DNSResolver::onReply);
+    };
+
+    ~DNSResolver() {
+        delete _request;
+    };
+
+    IpAddr resolveName(const char* name) {
+        _completed=0;
+        IpAddr addr;
+
+        DNSRequestErr r=_request->resolve(name);
+        if (0!=r) {
+            _request->close();
+            return addr;
+        }
+
+        mbed::Timer tmr;
+        tmr.start();
+        while (0==_completed) {
+            Net::poll();
+            if (tmr.read()>5)
+                break;
+            wait_us(100);
+        }
+
+        if (-1==_completed) {
+            _request->close();
+            return addr;
+        }
+
+        _request->getResult(&addr);
+        _request->close();
+        return addr;
+    };
+
+    void onReply(DNSReply reply) {
+        if (reply==DNS_FOUND)
+            _completed=1;
+        else
+            _completed=-1;
+    };
+
+private:
+    DNSRequest *_request;
+    int _completed; // -1=err,0=running,1=ok
+};
+
+
 #endif
\ No newline at end of file