Diff: UDPSocket.h

Revision:

0:1f77255a22f5

Child:

1:8080965f5d76

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UDPSocket.h	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,75 @@
+/* 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 <cstdint>
+
+/**
+This is a C++ abstraction for UDP networking sockets.
+*/
+class UDPSocket
+{
+  public:
+  
+    /** Instantiate a UDP Socket.
+    */
+    UDPSocket();
+    
+    ~UDPSocket();
+
+    /** Bind a socket to a specific port.
+    For a listening socket, bind the socket to the following port.
+    \param port The port to listen for incoming connections on, using 0 here will select a random port.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+
+    /** Send data to a remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \param host The host to send data to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to send data to.
+    \param timeout The maximum amount of time in ms to wait while trying to send the buffer.
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int sendTo(std::uint8_t* data, int length, char* host, int port, int timeout = 0);
+
+    /** Receive data from a remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \param host The reference that will point to the client's IP address.
+    \param port The reference that will point to the client's port.
+    \param timeout The maximum amount of time in ms to wait while trying to receive data.
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receiveFrom(std::uint8_t* data, int length, char** host, int* port, int timeout = 0);
+
+    /** Close the socket.
+    */
+    int close();
+
+  private:
+    int init();
+
+    int m_sock;
+  
+};
+
+#endif