Rename interpretor to interpreter.

[Faustine.git] / interpreter / preprocessor / faust-0.9.47mr3 / architecture / osclib / oscpack / ip / win32 / NetworkingUtils.cpp

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp b/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp
new file mode 100644 (file)
index 0000000..0f1f4dc
--- /dev/null
+++ b/interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp
@@ -0,0 +1,88 @@
+/*
+       oscpack -- Open Sound Control packet manipulation library
+       http://www.audiomulch.com/~rossb/oscpack
+
+       Copyright (c) 2004-2005 Ross Bencina <rossb@audiomulch.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.
+
+       Any person wishing to distribute modifications to the Software is
+       requested to send the modifications to the original developer so that
+       they can be incorporated into the canonical version.
+
+       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 "ip/NetworkingUtils.h"
+
+#include <winsock2.h>   // this must come first to prevent errors with MSVC7
+#include <windows.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+
+static LONG initCount_ = 0;
+static bool winsockInitialized_ = false;
+
+NetworkInitializer::NetworkInitializer()
+{
+    if( InterlockedIncrement( &initCount_ ) == 1 ){
+        // there is a race condition here if one thread tries to access
+        // the library while another is still initializing it. 
+        // i can't think of an easy way to fix it so i'm telling you here
+        // incase you need to init the library from two threads at once.
+        // this is why the header file advises to instantiate one of these 
+        // in main() so that the initialization happens globally
+
+        // initialize winsock
+           WSAData wsaData;
+           int nCode = WSAStartup(MAKEWORD(1, 1), &wsaData);
+           if( nCode != 0 ){
+               //std::cout << "WSAStartup() failed with error code " << nCode << "\n";
+        }else{
+            winsockInitialized_ = true;
+        }
+    }
+}
+
+
+NetworkInitializer::~NetworkInitializer()
+{
+    if( InterlockedDecrement( &initCount_ ) == 0 ){
+        if( winsockInitialized_ ){
+            WSACleanup();
+            winsockInitialized_ = false;
+        }
+    }
+}
+
+
+unsigned long GetHostByName( const char *name )
+{
+    NetworkInitializer networkInitializer;
+
+    unsigned long result = 0;
+
+    struct hostent *h = gethostbyname( name );
+    if( h ){
+        struct in_addr a;
+        memcpy( &a, h->h_addr_list[0], h->h_length );
+        result = ntohl(a.s_addr);
+    }
+
+    return result;
+}