protected bool RegisterRpcHandler(TaskCode code, string name, RpcRequestHandler handler, UInt64 gpid)
{
dsn_rpc_request_handler_t cb = (req, param) =>
{
// if handler synchnously processes the incoming request
// we don't need to add_ref and set owner to true
// in folloiwng two stmts
// however, we don't know so we do as follows
Native.dsn_msg_add_ref(req); // released by RpcReadStream
var rms = new RpcReadStream(req, true);
var wms = new RpcWriteStream(Native.dsn_msg_create_response(req));
handler(rms, wms);
};
bool r = Native.dsn_rpc_register_handler(code, name, cb, IntPtr.Zero, gpid);
Logging.dassert(r, "rpc handler registration failed for " + code.ToString());
lock (_handlers)
{
_handlers.Add(code, cb);
}
return(true);
}
protected bool RegisterRpcHandler(TaskCode code, string name, RpcRequestHandlerOneWay handler, UInt64 gpid)
{
dsn_rpc_request_handler_t cb = (req, param) =>
{
var rms = new RpcReadStream(req, false);
handler(rms);
};
bool r = Native.dsn_rpc_register_handler(code, name, cb, IntPtr.Zero, gpid);
Logging.dassert(r, "rpc handler registration failed for " + code.ToString());
lock (_handlers)
{
_handlers.Add(code, cb);
}
return(r);
}
protected bool RegisterRpcHandler(TaskCode code, string name, RpcRequestHandler handler)
{
dsn_rpc_request_handler_t cb = (dsn_message_t req, IntPtr param) =>
{
RpcReadStream rms = new RpcReadStream(req, false);
RpcWriteStream wms = new RpcWriteStream(Native.dsn_msg_create_response(req), false);
handler(rms, wms);
};
bool r = Native.dsn_rpc_register_handler(code, name, cb, IntPtr.Zero);
Logging.dassert(r, "rpc handler registration failed for " + code.ToString());
lock (_handlers)
{
_handlers.Add(code, cb);
}
return(true);
}