Method Loader

DebugProxy/DebugProxy.cpp:304–356

struct Loader
{
    Loader()
    {
        if (gBinary) {
            assert(OfxGetNumberOfPlugins_binary);
            assert(OfxGetPlugin_binary);

            return;
        }
        gBinaryPath = std::getenv("OFX_DEBUGPROXY_BINARY");
        if (gBinaryPath == NULL) {
            gBinaryPath = BINARY_PATH;
        }
        if (gBinaryPath) {
            if (std::strncmp( gBinaryPath, OFX_PATH, std::strlen(OFX_PATH) ) == 0) {
                std::cout << "OFX DebugProxy: Error: plugin binary seems to be in the default plugin path:" << std::endl;
                std::cout << "OFX DebugProxy: OFX_DEBUGPROXY_BINARY=" << gBinaryPath << " is in " << OFX_PATH << std::endl;
                std::cout << "OFX DebugProxy: This is probably a very bad idea, since the host will load twice" << std::endl;
                std::cout << "OFX DebugProxy: the same plugin, and wouldn't be able to tell one from the other." << std::endl;
                std::cout << "OFX DebugProxy: Please move the plugin binary to another location.\n" << std::endl;

                return;
            }
            gBinary = new Binary(gBinaryPath);
        }
        if (gBinary) {
            gBinary->load();
            if ( gBinary->isInvalid() ) {
                std::cout << "OFX DebugProxy: Error: Cannot load the plugin binary." << std::endl;
                std::cout << "OFX DebugProxy: OFX_DEBUGPROXY_BINARY=" << gBinaryPath << " is propably not an OFX plugin," << std::endl;
                std::cout << "OFX DebugProxy:  or misses some of its dynamic dependencies (see help below)." << std::endl;
                std::cout << help_string;

                return;
            }
            // fetch the binary entry points
            OfxGetNumberOfPlugins_binary = ( int (*)() )gBinary->findSymbol("OfxGetNumberOfPlugins");
            OfxGetPlugin_binary = ( OfxPlugin * (*)(int) )gBinary->findSymbol("OfxGetPlugin");
            if (!OfxGetNumberOfPlugins_binary || !OfxGetPlugin_binary) {
                std::cout << "OFX DebugProxy: Error: Cannot find the mandatory symbols OfxGetNumberOfPlugins and OfxGetPlugin." << std::endl;
                std::cout << "OFX DebugProxy: OFX_DEBUGPROXY_BINARY=" << gBinaryPath << " is propably not an OFX plugin." << std::endl;
                std::cout << help_string;
                gBinary->setInvalid(true);

                return;
            }
            std::cout << "OFX DebugProxy: OFX_DEBUGPROXY_BINARY=" << gBinaryPath << " succesfully loaded" << std::endl;
        } else {
            std::cout << "OFX DebugProxy: Error: Cannot load the plugin binary OFX_DEBUGPROXY_BINARY=" << gBinaryPath <<  std::endl;
            std::cout << help_string;

            return;
        }
    }

    ~Loader()
    {