osmo_io_fd Struct Reference

#include <osmo_io_internal.h>

Data Fields
struct llist_head	list
	linked list for internal management More...
int	fd
	actual operating-system level file decriptor More...
enum osmo_io_fd_mode	mode
	type of read/write mode to use More...
uint32_t	flags
	flags to guard closing/freeing of iofd More...
char *	name
	human-readable name to associte with fd More...
struct osmo_io_ops	io_ops
	send/recv (msg) callback functions More...
struct msgb *	pending
	Pending msgb to keep partial data during segmentation. More...
void *	data
	data pointer passed through to call-back function More...
unsigned int	priv_nr
	private number, extending data More...
size_t	cmsg_size
	size of iofd_msghdr.cmsg[] when allocated in recvmsg path More...
struct {
const void *   ctx
	talloc context from which to allocate msgb when reading More...
unsigned int   size
	size of msgb to allocate (excluding headroom) More...
unsigned int   headroom
	headroom to allocate when allocating msgb's More...
}	msgb_alloc
struct {
unsigned int   max_length
	maximum length of write queue More...
unsigned int   current_length
	current length of write queue More...
struct llist_head   msg_queue
	actual linked list implementing the transmit queue More...
}	tx_queue
union {
struct {
struct osmo_fd   ofd
}   poll
struct {
bool   read_enabled
bool   write_enabled
void *   read_msghdr
void *   write_msghdr
struct osmo_fd   connect_ofd
}   uring
}	u

Field Documentation

cmsg_size

size_t osmo_io_fd::cmsg_size

size of iofd_msghdr.cmsg[] when allocated in recvmsg path

Referenced by iofd_poll_ofd_cb_recvmsg_sendmsg(), and osmo_iofd_set_cmsg_size().

connect_ofd

struct osmo_fd osmo_io_fd::connect_ofd

ctx

const void* osmo_io_fd::ctx

talloc context from which to allocate msgb when reading

Referenced by iofd_handle_recv(), and osmo_iofd_setup().

current_length

unsigned int osmo_io_fd::current_length

current length of write queue

Referenced by iofd_txqueue_dequeue(), iofd_txqueue_enqueue(), iofd_txqueue_enqueue_front(), osmo_iofd_register(), and osmo_iofd_txqueue_len().

data

void* osmo_io_fd::data

data pointer passed through to call-back function

Referenced by osmo_iofd_get_data(), osmo_iofd_set_data(), and osmo_iofd_setup().

fd

int osmo_io_fd::fd

actual operating-system level file decriptor

Referenced by iofd_poll_register(), osmo_iofd_close(), osmo_iofd_get_fd(), osmo_iofd_register(), and osmo_iofd_setup().

flags

uint32_t osmo_io_fd::flags

flags to guard closing/freeing of iofd

headroom

unsigned int osmo_io_fd::headroom

headroom to allocate when allocating msgb's

Referenced by iofd_msgb_alloc(), osmo_iofd_set_alloc_info(), and osmo_iofd_setup().

io_ops

struct osmo_io_ops osmo_io_fd::io_ops

send/recv (msg) callback functions

Referenced by iofd_handle_recv(), iofd_handle_segmentation(), iofd_handle_segmented_read(), iofd_handle_send_completion(), iofd_poll_ofd_cb_recvmsg_sendmsg(), osmo_iofd_get_ioops(), osmo_iofd_register(), osmo_iofd_set_ioops(), and osmo_iofd_setup().

list

struct llist_head osmo_io_fd::list

linked list for internal management

max_length

unsigned int osmo_io_fd::max_length

maximum length of write queue

Referenced by iofd_txqueue_enqueue(), osmo_iofd_set_txqueue_max_length(), and osmo_iofd_setup().

mode

enum osmo_io_fd_mode osmo_io_fd::mode

type of read/write mode to use

Referenced by iofd_handle_recv(), iofd_handle_segmented_read(), iofd_poll_ofd_cb_recvmsg_sendmsg(), osmo_iofd_notify_connected(), osmo_iofd_register(), osmo_iofd_sendmsg_msgb(), osmo_iofd_sendto_msgb(), osmo_iofd_set_cmsg_size(), osmo_iofd_set_ioops(), osmo_iofd_setup(), and osmo_iofd_write_msgb().

msg_queue

struct llist_head osmo_io_fd::msg_queue

actual linked list implementing the transmit queue

Referenced by iofd_txqueue_dequeue(), iofd_txqueue_enqueue(), iofd_txqueue_enqueue_front(), and osmo_iofd_setup().

struct { ... } osmo_io_fd::msgb_alloc

Referenced by iofd_handle_recv(), iofd_msgb_alloc(), osmo_iofd_set_alloc_info(), and osmo_iofd_setup().

name

char* osmo_io_fd::name

human-readable name to associte with fd

Referenced by osmo_iofd_get_name(), osmo_iofd_set_name(), and osmo_iofd_setup().

ofd

struct osmo_fd osmo_io_fd::ofd

Referenced by iofd_poll_close(), iofd_poll_notify_connected(), iofd_poll_ofd_cb_dispatch(), iofd_poll_ofd_cb_recvmsg_sendmsg(), iofd_poll_read_disable(), iofd_poll_read_enable(), iofd_poll_register(), iofd_poll_unregister(), iofd_poll_write_disable(), and iofd_poll_write_enable().

pending

struct msgb* osmo_io_fd::pending

Pending msgb to keep partial data during segmentation.

Referenced by iofd_handle_segmented_read(), iofd_msgb_pending(), osmo_iofd_close(), and osmo_iofd_setup().

struct { ... } osmo_io_fd::poll

Referenced by iofd_poll_close(), iofd_poll_notify_connected(), iofd_poll_read_disable(), iofd_poll_read_enable(), iofd_poll_register(), iofd_poll_unregister(), iofd_poll_write_disable(), and iofd_poll_write_enable().

priv_nr

unsigned int osmo_io_fd::priv_nr

private number, extending data

Referenced by osmo_iofd_get_priv_nr(), and osmo_iofd_set_priv_nr().

read_enabled

bool osmo_io_fd::read_enabled

read_msghdr

void* osmo_io_fd::read_msghdr

size

unsigned int osmo_io_fd::size

size of msgb to allocate (excluding headroom)

Referenced by iofd_msgb_alloc(), osmo_iofd_set_alloc_info(), and osmo_iofd_setup().

struct { ... } osmo_io_fd::tx_queue

Referenced by iofd_txqueue_dequeue(), iofd_txqueue_enqueue(), iofd_txqueue_enqueue_front(), osmo_iofd_register(), osmo_iofd_set_txqueue_max_length(), osmo_iofd_setup(), and osmo_iofd_txqueue_len().

union { ... } osmo_io_fd::u

Referenced by iofd_poll_close(), iofd_poll_notify_connected(), iofd_poll_read_disable(), iofd_poll_read_enable(), iofd_poll_register(), iofd_poll_unregister(), iofd_poll_write_disable(), and iofd_poll_write_enable().

struct { ... } osmo_io_fd::uring

write_enabled

bool osmo_io_fd::write_enabled

write_msghdr

void* osmo_io_fd::write_msghdr

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

• src/core/osmo_io_internal.h