Diff: Socket/UDPSocket.h

Revision:

63:42cb563a25bc

Child:

67:ff9472d344d4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.h	Tue May 13 12:31:33 2014 +0000
@@ -0,0 +1,79 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * 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 UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+
+/**
+UDP Socket
+*/
+class UDPSocket : public Socket {
+
+public:
+    int init(void) 
+    {
+        if (_mdm == NULL)
+            _mdm = MDMParser::getInstance();
+        if (_mdm == NULL)
+            return -1;
+        return 0;
+    }
+    
+    int bind(int port) {
+        if (_socket < 0) {
+            _socket = _mdm->socketSocket(MDMParser::IPPROTO_UDP, port);
+            if (_socket < 0) {
+                return -1;
+            }
+        }
+        _mdm->socketSetBlocking(_socket, _timeout); 
+        return 0;
+    }
+    
+    int join_multicast_group(const char* address)   { return -1; }
+    
+    int set_broadcasting(bool broadcast=true)       { return -1; }
+    
+    int sendTo(Endpoint &remote, char *packet, int length)
+    {
+        char* str = remote.get_address();
+        int port = remote.get_port();
+        MDMParser::IP ip = _mdm->gethostbyname(str);
+        if (ip == NOIP)
+            return -1;
+        return _mdm->socketSendTo(_socket, ip, port, packet, length); 
+    }
+    
+    int receiveFrom(Endpoint &remote, char *buffer, int length)
+    { 
+        MDMParser::IP ip;
+        int port;
+        int ret = _mdm->socketRecvFrom(_socket, &ip, &port, buffer, length); 
+        if (ret >= 0) {
+            char str[17];
+            sprintf(str, IPSTR, IPNUM(ip));
+            remote.set_address(str, port);
+        }
+        return ret;
+    }
+};
+
+#endif