class MessagePacket

Defined at line 30 of file ../../src/devices/bin/driver_runtime/message_packet.h

Holds the contents of a message written to a channel.

TODO(https://fxbug.dev/42167912): we should consider recycling deleted packets.

Public Methods

MessagePacketOwner Create (fbl::RefPtr<fdf_arena_t> arena, void * data, uint32_t num_bytes, zx_handle_t * handles, uint32_t num_handles)

static

Defined at line 15 of file ../../src/devices/bin/driver_runtime/message_packet.cc

zx_txid_t get_txid ()

fdf_channel_call treats the leading bytes of the payload as a transaction id of type

fdf_txid_t.

Defined at line 42 of file ../../src/devices/bin/driver_runtime/message_packet.h

void set_txid (fdf_txid_t txid)

Defined at line 49 of file ../../src/devices/bin/driver_runtime/message_packet.h

fbl::RefPtr<fdf_arena_t> arena ()

Returns a reference to the arena.

The message packet retains a reference to correctly destruct itself.

Defined at line 56 of file ../../src/devices/bin/driver_runtime/message_packet.h

void CopyOut (fdf_arena_t ** out_arena, void ** out_data, uint32_t * out_num_bytes, zx_handle_t ** out_handles, uint32_t * out_num_handles)

Copies the message contents to the parameters provided.

Returns ownership of an arena, the data and handles.

Defined at line 56 of file ../../src/devices/bin/driver_runtime/message_packet.cc

uint32_t num_bytes ()

Defined at line 57 of file ../../src/devices/bin/driver_runtime/message_packet.h

uint32_t num_handles ()

Defined at line 58 of file ../../src/devices/bin/driver_runtime/message_packet.h

class MessagePacketDestroyer