Added core.get_interface()

Author: Ayuto

addons/source-python/packages/source-python/core/__init__.py

@@ -39,6 +39,7 @@
 # Source.Python Imports
 #   Core
 from _core import console_message
+from _core import get_interface
 from _core import SOURCE_ENGINE
 from _core import SOURCE_ENGINE_BRANCH
 
@@ -55,6 +56,7 @@
            'SOURCE_ENGINE_BRANCH',
            'console_message',
            'echo_console',
+           'get_interface',
            )
 
 

src/core/modules/core/core.h

@@ -31,6 +31,8 @@
 // Includes.
 //-----------------------------------------------------------------------------
 #include "dbg.h"
+#include "interface.h"
+#include "dynload.h"
 
 
 //-----------------------------------------------------------------------------
@@ -41,5 +43,24 @@ inline void ConsoleMessage(const char* msg)
 	ConMsg(msg);
 }
 
+inline void* GetInterface(const char* library, const char* interface_name)
+{
+	DLLib* lib = dlLoadLibrary(library);
+	if (!lib)
+		BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Unable to load library '%s'.", library)
+
+	CreateInterfaceFn pCreateInterface = (CreateInterfaceFn) dlFindSymbol(lib, CREATEINTERFACE_PROCNAME);
+	dlFreeLibrary(lib);
+
+	if (!pCreateInterface)
+		BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Unable to retrieve interface function'%s'.", CREATEINTERFACE_PROCNAME)
+
+	int return_code;
+	void* result = pCreateInterface(interface_name, &return_code);
+	if (!result)
+		BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Unable to find interface '%s'. Return code: %i.", interface_name, return_code)
+
+	return result;
+}
 
 #endif // _CORE_H

src/core/modules/core/core_wrap.cpp

@@ -88,4 +88,11 @@ void export_functions(scope _core)
 		&ConsoleMessage,
 		"Output a message to the server console."
 	);
+
+	def(
+		"get_interface",
+		&GetInterface,
+		return_by_value_policy(),
+		"Retrieve an interface from a library."
+	);
 }