X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/c7f552fd8888da2f0d8cfb228fe0f28d3df3a12c..b4b6f2ea75b9f0f3ca918f5b84016610bf7a4d4f:/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp diff --git a/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp b/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/win32/NetworkingUtils.cpp new file mode 100644 index 0000000..0f1f4dc --- /dev/null +++ b/interpretor/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 + + 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 // this must come first to prevent errors with MSVC7 +#include +#include +#include + + +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; +}