private/net/net_buffer.h

19 typedef struct net_buffer {
38 } net_buffer;
45 	net_buffer*		(*create)(size_t headerSpace);
46 	void 			(*free)(net_buffer* buffer);
48 	net_buffer*		(*duplicate)(net_buffer* from);
49 	net_buffer*		(*clone)(net_buffer* from, bool shareFreeSpace);
50 	net_buffer*		(*split)(net_buffer* from, uint32 offset);
51 	status_t		(*merge)(net_buffer* buffer, net_buffer* with, bool after);
53 	status_t		(*prepend_size)(net_buffer* buffer, size_t size,
55 	status_t		(*prepend)(net_buffer* buffer, const void* data,
57 	status_t		(*append_size)(net_buffer* buffer, size_t size,
59 	status_t		(*append)(net_buffer* buffer, const void* data,
61 	status_t		(*insert)(net_buffer* buffer, uint32 offset,
63 	status_t		(*remove)(net_buffer* buffer, uint32 offset,
65 	status_t		(*remove_header)(net_buffer* buffer, size_t bytes);
66 	status_t		(*remove_trailer)(net_buffer* buffer, size_t bytes);
67 	status_t		(*trim)(net_buffer* buffer, size_t newSize);
68 	status_t		(*append_cloned)(net_buffer* buffer, net_buffer* source,
71 	status_t		(*associate_data)(net_buffer* buffer, void* data);
73 	void			(*set_ancillary_data)(net_buffer* buffer,
75 	struct ancillary_data_container* (*get_ancillary_data)(net_buffer* buffer);
76 	void*			(*transfer_ancillary_data)(net_buffer* from,
77 						net_buffer* to);
79 	status_t		(*store_header)(net_buffer* buffer);
80 	ssize_t			(*stored_header_length)(net_buffer* buffer);
81 	status_t		(*restore_header)(net_buffer* buffer, uint32 offset,
83 	status_t		(*append_restored_header)(net_buffer* buffer,
84 						net_buffer* source, uint32 offset, size_t bytes);
86 	status_t		(*direct_access)(net_buffer* buffer, uint32 offset,
88 	status_t 		(*read)(net_buffer* buffer, size_t offset, void* data,
90 	status_t		(*write)(net_buffer* buffer, size_t offset,
93 	int32			(*checksum)(net_buffer* buffer, uint32 offset, size_t bytes,
95 	status_t		(*get_memory_map)(net_buffer* buffer,
97 	uint32 			(*get_iovecs)(net_buffer* buffer,
99 	uint32 			(*count_iovecs)(net_buffer* buffer);
101 	void			(*swap_addresses)(net_buffer* buffer);
103 	void			(*dump)(net_buffer* buffer);