OpenVPN: src/openvpn/multi_io.h File Reference

OpenVPN

#include "event.h"

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Data Structures
struct	multi_io

Macros
#define	TA_UNDEF 0
#define	TA_SOCKET_READ 1
#define	TA_SOCKET_READ_RESIDUAL 2
#define	TA_SOCKET_WRITE 3
#define	TA_SOCKET_WRITE_READY 4
#define	TA_SOCKET_WRITE_DEFERRED 5
#define	TA_TUN_READ 6
#define	TA_TUN_WRITE 7
#define	TA_INITIAL 8
#define	TA_TIMEOUT 9
#define	TA_TUN_WRITE_TIMEOUT 10

Functions
struct multi_io *	multi_io_init (int maxclients)
void	multi_io_free (struct multi_io *multi_io)
int	multi_io_wait (struct multi_context *m)
void	multi_io_process_io (struct multi_context *m)
void	multi_io_action (struct multi_context m, struct multi_instance mi, int action, bool poll)
void	multi_io_delete_event (struct multi_io *multi_io, event_t event)
bool	multi_io_send_link (struct multi_context m, struct multi_instance mi, const unsigned int mpp_flags)

Macro Definition Documentation

◆ TA_INITIAL

#define TA_INITIAL 8

Definition at line 44 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_process_io(), and pract().

◆ TA_SOCKET_READ

#define TA_SOCKET_READ 1

Definition at line 37 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_process_io(), and pract().

◆ TA_SOCKET_READ_RESIDUAL

#define TA_SOCKET_READ_RESIDUAL 2

Definition at line 38 of file multi_io.h.

Referenced by multi_io_action(), multi_io_dispatch(), multi_io_post(), and pract().

◆ TA_SOCKET_WRITE

#define TA_SOCKET_WRITE 3

Definition at line 39 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_post(), multi_io_process_io(), multi_io_wait_lite(), and pract().

◆ TA_SOCKET_WRITE_DEFERRED

#define TA_SOCKET_WRITE_DEFERRED 5

Definition at line 41 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_wait_lite(), and pract().

◆ TA_SOCKET_WRITE_READY

#define TA_SOCKET_WRITE_READY 4

Definition at line 40 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_process_io(), and pract().

◆ TA_TIMEOUT

#define TA_TIMEOUT 9

Definition at line 45 of file multi_io.h.

Referenced by multi_io_dispatch(), pract(), and tunnel_server_loop().

◆ TA_TUN_READ

#define TA_TUN_READ 6

Definition at line 42 of file multi_io.h.

Referenced by multi_io_action(), multi_io_dispatch(), multi_io_process_io(), and pract().

◆ TA_TUN_WRITE

#define TA_TUN_WRITE 7

Definition at line 43 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_post(), multi_io_process_io(), multi_io_wait_lite(), and pract().

◆ TA_TUN_WRITE_TIMEOUT

#define TA_TUN_WRITE_TIMEOUT 10

Definition at line 46 of file multi_io.h.

Referenced by multi_io_dispatch(), multi_io_wait_lite(), and pract().

◆ TA_UNDEF

#define TA_UNDEF 0

Definition at line 36 of file multi_io.h.

Referenced by multi_io_action(), multi_io_post(), multi_io_wait_lite(), and pract().

Function Documentation

◆ multi_io_action()

void multi_io_action	(	struct multi_context *	m,
		struct multi_instance *	mi,
		int	action,
		bool	poll )

Definition at line 686 of file multi_io.c.

References multi_instance::context, D_MULTI_DEBUG, dmsg, IS_SIG, M_FATAL, msg, multi_close_instance_on_signal(), multi_io_dispatch(), multi_io_post(), multi_io_wait_lite(), multi_context::pending, pract(), TA_SOCKET_READ_RESIDUAL, TA_TUN_READ, and TA_UNDEF.

Referenced by multi_io_process_io(), and tunnel_server_loop().

◆ multi_io_delete_event()

void multi_io_delete_event	(	struct multi_io *	multi_io,
		event_t	event )

Definition at line 773 of file multi_io.c.

References multi_io::es, and event_del().

◆ multi_io_free()

void multi_io_free ( struct multi_io * multi_io )

Definition at line 125 of file multi_io.c.

References multi_io::es, multi_io::esr, and event_free().

Referenced by multi_uninit().

◆ multi_io_init()

struct multi_io * multi_io_init ( int maxclients )

Definition at line 108 of file multi_io.c.

References ALLOC_ARRAY, ALLOC_OBJ_CLEAR, ASSERT, BASE_N_EVENTS, D_MULTI_LOW, multi_io::es, multi_io::esr, event_set_init(), multi_io::maxevents, msg, MULTI_IO_SIG, and wait_signal().

Referenced by multi_init().

◆ multi_io_process_io()

void multi_io_process_io ( struct multi_context * m )

Definition at line 561 of file multi_io.c.

References event_set_return::arg, ASSERT, context::c1, D_MULTI_ERRORS, tuntap::dco, dco_read_and_process(), multi_io::esr, multi_instance::ev_arg, EVENT_ARG_LINK_SOCKET, EVENT_ARG_MULTI_INSTANCE, EVENT_READ, EVENT_WRITE, get_signal(), link_socket::info, IS_SIG, management_io(), multi_context::mbuf, mbuf_peek(), event_arg::mi, MPP_PRE_SELECT, MPP_RECORD_TOUCH, msg, multi_create_instance_tcp(), multi_context::multi_io, multi_io_action(), MULTI_IO_DCO, MULTI_IO_FILE_CLOSE_WRITE, MULTI_IO_MANAGEMENT, MULTI_IO_SIG, MULTI_IO_TUN, MULTI_N, multi_process_io_udp(), multi_io::n_esr, multi_context::pending, link_socket_info::proto, proto_is_dgram(), event_set_return::rwflags, context::sig, signal_info::signal_received, event_arg::sock, socket_reset_listen_persistent(), TA_INITIAL, TA_SOCKET_READ, TA_SOCKET_WRITE, TA_SOCKET_WRITE_READY, TA_TUN_READ, TA_TUN_WRITE, multi_context::top, context_1::tuntap, event_arg::type, and event_arg::u.

Referenced by tunnel_server_loop().

◆ multi_io_send_link()

bool multi_io_send_link	(	struct multi_context *	m,
		struct multi_instance *	mi,
		const unsigned int	mpp_flags )

Definition at line 349 of file multi_io.c.

References context::c2, clear_prefix(), multi_instance::context, context_2::link_sockets, multi_process_post(), process_outgoing_link(), and set_prefix().

Referenced by multi_io_write_link(), multi_io_write_link_deferred(), and multi_process_outgoing_link().

◆ multi_io_wait()

int multi_io_wait ( struct multi_context * m )