L4::Server_object_x< Derived, IFACE, BASE > Struct Template Reference

Helper class to implement p_dispatch based server objects. More...

#include <ipc_server>

Inheritance diagram for L4::Server_object_x< Derived, IFACE, BASE >:

Collaboration diagram for L4::Server_object_x< Derived, IFACE, BASE >:

Public Member Functions
int	dispatch (l4_umword_t r, L4::Ipc::Iostream &ios)
	Implementation forwarding to p_dispatch().
Public Member Functions inherited from L4::Server_object
l4_msgtag_t	dispatch (l4_msgtag_t tag, unsigned rights, l4_utcb_t *utcb) override
	The abstract handler for client requests to the object.
Public Member Functions inherited from L4::Epiface
	Epiface ()
	Make a server object.
virtual	~Epiface ()=0
	Destroy the object.
Stored_cap	obj_cap () const
	Get the capability to the kernel object belonging to this object.
Server_iface *	server_iface () const
	Get pointer to server interface at which the object is currently registered.
int	set_server (Server_iface *srv, Cap< void > cap, bool managed=false)
	Set server registration info for the object.
void	set_obj_cap (Cap< void > const &cap)
	Deprecated server registration function.
Public Member Functions inherited from L4::Server_object_t< IFACE, BASE >
BASE::Demand	get_buffer_demand () const override
int	dispatch_meta_request (L4::Ipc::Iostream &ios)
	Implementation of the meta protocol based on IFACE.

Additional Inherited Members
Public Types inherited from L4::Epiface
typedef Ipc_svr::Server_iface	Server_iface
	Type for abstract server interface.
typedef Ipc_svr::Server_iface::Demand	Demand
	Type for server-side receive buffer demand.
Public Types inherited from L4::Server_object_t< IFACE, BASE >
typedef IFACE	Interface
	Data type of the IPC interface definition.
Static Public Member Functions inherited from L4::Server_object_t< IFACE, BASE >
template<typename THIS >
static int	proto_dispatch (THIS *self, l4_umword_t rights, L4::Ipc::Iostream &ios)
	Implementation of protocol-based dispatch for this server object.

Detailed Description

template<typename Derived, typename IFACE, typename BASE = L4::Server_object>
struct L4::Server_object_x< Derived, IFACE, BASE >

Helper class to implement p_dispatch based server objects.

Template Parameters

Derived	The data type of your server object class.
IFACE	The data type providing the interface definition for the object.
BASE	Optional data-type of the base server object (usually L4::Server_object)

This class implements the standard dispatch() function of L4::Server_object and forwards incoming messages to a set of overloaded p_dispatch() functions. There must be a p_dispatch() function in Derived for each interface provided by IFACE with the signature

int p_dispatch(Iface *, unsigned rights, L4::Ipc::Iostream &) 

that is called for messages with protocol == Iface::Protocol.

Example signature for L4Re::Dataspace is:

int p_dispatch(L4Re::Dataspace *, unsigned, L4::Ipc::Iostream &) 

Definition at line 154 of file ipc_server.

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The documentation for this struct was generated from the following file:

• l4/cxx/ipc_server