108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
|
|
* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef NET_BUFFER_H
|
|
#define NET_BUFFER_H
|
|
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <module.h>
|
|
|
|
#include <util/list.h>
|
|
|
|
|
|
#define NET_BUFFER_MODULE_NAME "network/stack/buffer/v1"
|
|
|
|
|
|
typedef struct net_buffer {
|
|
struct list_link link;
|
|
|
|
struct sockaddr* source;
|
|
struct sockaddr* destination;
|
|
struct net_interface_address* interface_address;
|
|
union {
|
|
struct {
|
|
uint16 start;
|
|
uint16 end;
|
|
} fragment;
|
|
uint32 sequence;
|
|
uint32 offset;
|
|
uint32 index;
|
|
int32 type;
|
|
};
|
|
uint32 flags;
|
|
uint32 size;
|
|
uint8 protocol;
|
|
} net_buffer;
|
|
|
|
struct ancillary_data_container;
|
|
|
|
struct net_buffer_module_info {
|
|
module_info info;
|
|
|
|
net_buffer* (*create)(size_t headerSpace);
|
|
void (*free)(net_buffer* buffer);
|
|
|
|
net_buffer* (*duplicate)(net_buffer* from);
|
|
net_buffer* (*clone)(net_buffer* from, bool shareFreeSpace);
|
|
net_buffer* (*split)(net_buffer* from, uint32 offset);
|
|
status_t (*merge)(net_buffer* buffer, net_buffer* with, bool after);
|
|
|
|
status_t (*prepend_size)(net_buffer* buffer, size_t size,
|
|
void** _contiguousBuffer);
|
|
status_t (*prepend)(net_buffer* buffer, const void* data,
|
|
size_t bytes);
|
|
status_t (*append_size)(net_buffer* buffer, size_t size,
|
|
void** _contiguousBuffer);
|
|
status_t (*append)(net_buffer* buffer, const void* data,
|
|
size_t bytes);
|
|
status_t (*insert)(net_buffer* buffer, uint32 offset,
|
|
const void* data, size_t bytes, uint32 flags);
|
|
status_t (*remove)(net_buffer* buffer, uint32 offset,
|
|
size_t bytes);
|
|
status_t (*remove_header)(net_buffer* buffer, size_t bytes);
|
|
status_t (*remove_trailer)(net_buffer* buffer, size_t bytes);
|
|
status_t (*trim)(net_buffer* buffer, size_t newSize);
|
|
status_t (*append_cloned)(net_buffer* buffer, net_buffer* source,
|
|
uint32 offset, size_t bytes);
|
|
|
|
status_t (*associate_data)(net_buffer* buffer, void* data);
|
|
|
|
void (*set_ancillary_data)(net_buffer* buffer,
|
|
struct ancillary_data_container* container);
|
|
struct ancillary_data_container* (*get_ancillary_data)(net_buffer* buffer);
|
|
void* (*transfer_ancillary_data)(net_buffer* from,
|
|
net_buffer* to);
|
|
|
|
status_t (*store_header)(net_buffer* buffer);
|
|
ssize_t (*stored_header_length)(net_buffer* buffer);
|
|
status_t (*restore_header)(net_buffer* buffer, uint32 offset,
|
|
void* data, size_t bytes);
|
|
status_t (*append_restored_header)(net_buffer* buffer,
|
|
net_buffer* source, uint32 offset, size_t bytes);
|
|
|
|
status_t (*direct_access)(net_buffer* buffer, uint32 offset,
|
|
size_t bytes, void** _data);
|
|
status_t (*read)(net_buffer* buffer, uint32 offset, void* data,
|
|
size_t bytes);
|
|
status_t (*write)(net_buffer* buffer, uint32 offset,
|
|
const void* data, size_t bytes);
|
|
|
|
int32 (*checksum)(net_buffer* buffer, uint32 offset, size_t bytes,
|
|
bool finalize);
|
|
status_t (*get_memory_map)(net_buffer* buffer,
|
|
struct iovec* iovecs, uint32 vecCount);
|
|
uint32 (*get_iovecs)(net_buffer* buffer,
|
|
struct iovec* iovecs, uint32 vecCount);
|
|
uint32 (*count_iovecs)(net_buffer* buffer);
|
|
|
|
void (*swap_addresses)(net_buffer* buffer);
|
|
|
|
void (*dump)(net_buffer* buffer);
|
|
};
|
|
|
|
|
|
#endif // NET_BUFFER_H
|