Dear All,
How can one call an external engine dynamically in Android?
Does the Android allow for dynamic loading of engines?
I recompiled OpenSSL1.0.0c with Engine support and added it to my App as a
shared library. I also compiled the engine source codes and got the shared
library of the engine in the "lib" directory of my App.Then in my Native
JNI Code I tried to load my engine using:
ENGINE_load_dynamic();
ENGINE * dyn = ENGINE_by_id( "dynamic" );
char * engine_path = "/data/data/com.example.engine/lib/libmyengine.so";
if ( 1 != ENGINE_ctrl_cmd_string( dyn, "SO_PATH", engine_path,
CMD_MANDATORY ) )
//print error path
if ( 1 != ENGINE_ctrl_cmd_string( dyn, "ID", "myengine", CMD_MANDATORY ) )
//print error id
if ( 1 != ENGINE_ctrl_cmd( dyn, "LIST_ADD", 1, NULL, NULL, CMD_MANDATORY ) )
//print error list_add
if ( 1 != ENGINE_ctrl_cmd( dyn, "LOAD", 1, NULL, NULL, CMD_MANDATORY ) )
//print error load
In the above code, the LOAD seems to fail. In the Java code, I did make a
call to:
static{
System.loadLibrary("myengine");
}
Please advise. Could anyone explain how I can load my engine?
Thanks.
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