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Tweak dynamic loading of steamwebrtc lib.

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This commit is contained in:
Fletcher Dunn
2020-09-01 17:24:53 -07:00
parent 343fed751e
commit fa4fbf995f
1 changed files with 40 additions and 42 deletions
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src/steamnetworkingsockets/clientlib/steamnetworkingsockets_p2p.cpp
+40 -42
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@@ -465,54 +465,52 @@ void CSteamNetworkConnectionP2P::CheckInitICE()
// No ICE factory?
if ( !g_SteamNetworkingSockets_CreateICESessionFunc )
{
// !HACK! Just try to load up the dll directly
#ifdef STEAMNETWORKINGSOCKETS_PARTNER
static bool tried;
if ( !tried )
{
tried = true;
SteamDatagramTransportLock::SetLongLockWarningThresholdMS( "LoadICEDll", 500 );
// Just try to load up the dll directly
static bool tried;
if ( !tried )
{
SteamNetworkingErrMsg errMsg;
tried = true;
SteamDatagramTransportLock::SetLongLockWarningThresholdMS( "LoadICEDll", 500 );
static const char pszExportFunc[] = "CreateWebRTCICESession";
#if defined( _WINDOWS )
HMODULE h = ::LoadLibraryA( "steamwebrtc.dll" );
if ( h != NULL )
{
g_SteamNetworkingSockets_CreateICESessionFunc = (CreateICESession_t)::GetProcAddress( h, "CreateWebRTCICESession" );
}
#elif defined( OSX ) || defined( IOS ) || defined( TVOS )
const char* pszModule = "libsteamwebrtc.dylib";
void* h = dlopen(pszModule, RTLD_LAZY);
if ( h != NULL )
{
g_SteamNetworkingSockets_CreateICESessionFunc = (CreateICESession_t)dlsym( h, "CreateWebRTCICESession" );
}
if ( h == NULL )
{
SteamNetworkingErrMsg errMsg;
V_sprintf_safe( errMsg, "ICE not enabled. Failed to open shared object : %s", dlerror() );
ICEFailed( k_nICECloseCode_Local_NotCompiled, errMsg );
}
#elif defined( LINUX ) || defined( ANDROID )
const char* pszModule = "libsteamwebrtc.so";
void* h = dlopen(pszModule, RTLD_LAZY);
if ( h != NULL )
{
g_SteamNetworkingSockets_CreateICESessionFunc = (CreateICESession_t)dlsym( h, "CreateWebRTCICESession" );
}
if ( h == NULL )
{
SteamNetworkingErrMsg errMsg;
V_sprintf_safe( errMsg, "ICE not enabled. Failed to open shared object : %s", dlerror() );
ICEFailed( k_nICECloseCode_Local_NotCompiled, errMsg );
}
#if defined( _WINDOWS )
static const char pszModule[] = "steamwebrtc.dll";
HMODULE h = ::LoadLibraryA( pszModule );
if ( h == NULL )
{
V_sprintf_safe( errMsg, "Failed to load %s.", pszModule ); // FIXME - error code? Debugging DLL issues is so busted on Windows
ICEFailed( k_nICECloseCode_Local_NotCompiled, errMsg );
return;
}
g_SteamNetworkingSockets_CreateICESessionFunc = (CreateICESession_t)::GetProcAddress( h, pszExportFunc );
#elif defined( POSIX )
#if defined( OSX ) || defined( IOS ) || defined( TVOS )
static const char pszModule[] = "libsteamwebrtc.dylib";
#else
#error Need steamwebrtc for this platform
static const char pszModule[] = "libsteamwebrtc.so";
#endif
void* h = dlopen(pszModule, RTLD_LAZY);
if ( h == NULL )
{
V_sprintf_safe( errMsg, "Failed to dlopen %s. %s", pszModule, dlerror() );
ICEFailed( k_nICECloseCode_Local_NotCompiled, errMsg );
return;
}
g_SteamNetworkingSockets_CreateICESessionFunc = (CreateICESession_t)dlsym( h, pszExportFunc );
#else
#error Need steamwebrtc for this platform
#endif
if ( !g_SteamNetworkingSockets_CreateICESessionFunc )
{
V_sprintf_safe( errMsg, "%s not found in %s.", pszExportFunc, pszModule );
ICEFailed( k_nICECloseCode_Local_NotCompiled, errMsg );
return;
}
#endif
}
if ( !g_SteamNetworkingSockets_CreateICESessionFunc )
{
ICEFailed( k_ESteamNetConnectionEnd_Misc_InternalError, "No ICE session factory" );
ICEFailed( k_nICECloseCode_Local_NotCompiled, "No ICE session factory" );
return;
}
}