Diff: NetServices/api/UDPSocket.cpp

Revision:

0:f615d151a72c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NetServices/api/UDPSocket.cpp	Thu Dec 04 10:36:40 2014 +0000
@@ -0,0 +1,114 @@
+
+/*
+Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
+ 
+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.
+*/
+
+#include "UDPSocket.h"
+#include "if/net/netudpsocket.h"
+
+UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
+{
+
+}
+
+UDPSocket::~UDPSocket() //close()
+{
+  close();
+}
+  
+UDPSocketErr UDPSocket::bind(const Host& me)
+{
+  UDPSocketErr udpSocketErr = checkInst();
+  if(udpSocketErr)
+    return udpSocketErr;
+  return (UDPSocketErr) m_pNetUdpSocket->bind(me); 
+}
+  
+int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
+{
+  UDPSocketErr udpSocketErr = checkInst();
+  if(udpSocketErr)
+    return udpSocketErr;
+  return m_pNetUdpSocket->sendto(buf, len, pHost);  
+}
+
+int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
+{
+  UDPSocketErr udpSocketErr = checkInst();
+  if(udpSocketErr)
+    return udpSocketErr;
+  return m_pNetUdpSocket->recvfrom(buf, len, pHost);
+}
+
+UDPSocketErr UDPSocket::close()
+{
+  if(!m_pNetUdpSocket)
+    return UDPSOCKET_SETUP;
+  m_pNetUdpSocket->resetOnEvent();
+  UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
+  Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
+  m_pNetUdpSocket = NULL;
+  return udpSocketErr;
+}
+
+//Callbacks
+void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
+{
+  m_pCb = pMethod;
+}
+
+#if 0 //For info only
+template<class T> 
+void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
+{
+  m_pCbItem = (CDummy*) pItem;
+  m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
+}
+#endif
+  
+void UDPSocket::resetOnEvent() //Disable callback
+{
+  m_pCb = NULL;
+  m_pCbItem = NULL;
+  m_pCbMeth = NULL;
+}
+
+void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
+{
+  if(m_pCbItem && m_pCbMeth)
+    (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
+  else if(m_pCb)
+    m_pCb((UDPSocketEvent) e);
+}
+
+UDPSocketErr UDPSocket::checkInst()
+{
+  if(!m_pNetUdpSocket)
+  {
+    m_pNetUdpSocket = Net::udpSocket();
+    if(!m_pNetUdpSocket)
+    {
+      return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
+    }
+    m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
+  }
+  return UDPSOCKET_OK;
+}