How to write arnold Procedural can read houdini node

[Arthur~Chiu]

i want to write a arnold Procedural geometry dso which can read houdini node ,

i use sop string path as parm 

 

 

---------------------code---------------------

static int MyInit(AtNode *mynode, void **user_ptr)

{

   *user_ptr = mynode; // make a copy of the parent procedural

 

   soppath = AiNodeGetStr(mynode, "path");

 

   OP_Node *node;

   SOP_Node *sop;

   

 

   node = OPgetDirector()->findNode(soppath);

 

   //sop->getFullPath(soppath);

 

 

 

std::cout<<soppath<<std::endl;

 

   G_counter = 0;

   return true;

}

---------------------code---------------------

 

but when i render with procedural dso 

Will pop up error warning:"UT_NetPacket::read: No such file or directory"