netplay_private.h File Reference

#include "netplay.h"
#include <net/net_compat.h>
#include <net/net_natt.h>
#include <features/features_cpu.h>
#include <streams/trans_stream.h>
#include "../../msg_hash.h"
#include "../../verbosity.h"
#include "netplay_keys.h"

Include dependency graph for netplay_private.h:

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Classes
struct	netplay_input_state
struct	delta_frame
struct	socket_buffer
struct	netplay_connection
struct	compression_transcoder
struct	netplay

Macros
#define	NETPLAY_PROTOCOL_VERSION   5
#define	RARCH_DEFAULT_PORT   55435
#define	RARCH_DEFAULT_NICK   "Anonymous"
#define	NETPLAY_NICK_LEN   32
#define	NETPLAY_PASS_LEN   128
#define	NETPLAY_PASS_HASH_LEN   64 /* length of a SHA-256 hash */
#define	MAX_SERVER_STALL_TIME_USEC   (5*1000*1000)
#define	MAX_CLIENT_STALL_TIME_USEC   (10*1000*1000)
#define	CATCH_UP_CHECK_TIME_USEC   (500*1000)
#define	MAX_RETRIES   16
#define	RETRY_MS   500
#define	MAX_INPUT_DEVICES   16
#define	MAX_CLIENTS   32
#define	RETRO_DEVICE_NETPLAY_KEYBOARD   RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_KEYBOARD, 65535)
#define	NETPLAY_MAX_STALL_FRAMES   60
#define	NETPLAY_FRAME_RUN_TIME_WINDOW   120
#define	NETPLAY_MAX_REQ_STALL_TIME   60
#define	NETPLAY_MAX_REQ_STALL_FREQUENCY   120
#define	PREV_PTR(x)   ((x) == 0 ? netplay->buffer_size - 1 : (x) - 1)
#define	NEXT_PTR(x)   ((x + 1) % netplay->buffer_size)
#define	NETPLAY_QUIRK_NO_SAVESTATES   (1<<0)
#define	NETPLAY_QUIRK_NO_TRANSMISSION   (1<<1)
#define	NETPLAY_QUIRK_INITIALIZATION   (1<<2)
#define	NETPLAY_QUIRK_ENDIAN_DEPENDENT   (1<<3)
#define	NETPLAY_QUIRK_PLATFORM_DEPENDENT   (1<<4)
#define	NETPLAY_QUIRK_MAP_UNDERSTOOD
#define	NETPLAY_QUIRK_MAP_NO_SAVESTATES   (RETRO_SERIALIZATION_QUIRK_INCOMPLETE)
#define	NETPLAY_QUIRK_MAP_NO_TRANSMISSION   (RETRO_SERIALIZATION_QUIRK_SINGLE_SESSION)
#define	NETPLAY_QUIRK_MAP_INITIALIZATION   (RETRO_SERIALIZATION_QUIRK_MUST_INITIALIZE)
#define	NETPLAY_QUIRK_MAP_ENDIAN_DEPENDENT   (RETRO_SERIALIZATION_QUIRK_ENDIAN_DEPENDENT)
#define	NETPLAY_QUIRK_MAP_PLATFORM_DEPENDENT   (RETRO_SERIALIZATION_QUIRK_PLATFORM_DEPENDENT)
#define	NETPLAY_COMPRESSION_ZLIB   (1<<0)
#define	NETPLAY_COMPRESSION_SUPPORTED   0
#define	NETPLAY_CMD_SYNC_BIT_PAUSED   (1U<<31)
#define	NETPLAY_CMD_PLAY_BIT_SLAVE   (1U<<31)
#define	NETPLAY_CMD_MODE_BIT_YOU   (1U<<31)
#define	NETPLAY_CMD_MODE_BIT_PLAYING   (1U<<30)
#define	NETPLAY_CMD_MODE_BIT_SLAVE   (1U<<29)
#define	K(k)   NETPLAY_KEY_ ## k,
#define	KL(k, l)   K(k)
#define	netplay_key_ntoh(k)   (netplay_key_ntoh_mapping[k])

Typedefs
typedef uint32_t	client_bitmap_t
typedef struct netplay_input_state *	netplay_input_state_t

Enumerations
enum	netplay_cmd {   NETPLAY_CMD_ACK = 0x0000, NETPLAY_CMD_NAK = 0x0001, NETPLAY_CMD_DISCONNECT = 0x0002, NETPLAY_CMD_INPUT = 0x0003,   NETPLAY_CMD_NOINPUT = 0x0004, NETPLAY_CMD_NICK = 0x0020, NETPLAY_CMD_PASSWORD = 0x0021, NETPLAY_CMD_INFO = 0x0022,   NETPLAY_CMD_SYNC = 0x0023, NETPLAY_CMD_SPECTATE = 0x0024, NETPLAY_CMD_PLAY = 0x0025, NETPLAY_CMD_MODE = 0x0026,   NETPLAY_CMD_MODE_REFUSED = 0x0027, NETPLAY_CMD_CRC = 0x0040, NETPLAY_CMD_REQUEST_SAVESTATE = 0x0041, NETPLAY_CMD_LOAD_SAVESTATE = 0x0042,   NETPLAY_CMD_PAUSE = 0x0043, NETPLAY_CMD_RESUME = 0x0044, NETPLAY_CMD_STALL = 0x0045, NETPLAY_CMD_RESET = 0x0046,   NETPLAY_CMD_CHEATS = 0x0047, NETPLAY_CMD_CFG = 0x0061, NETPLAY_CMD_CFG_ACK = 0x0062 }
enum	netplay_cmd_mode_reasons {   NETPLAY_CMD_MODE_REFUSED_REASON_OTHER, NETPLAY_CMD_MODE_REFUSED_REASON_UNPRIVILEGED, NETPLAY_CMD_MODE_REFUSED_REASON_NO_SLOTS, NETPLAY_CMD_MODE_REFUSED_REASON_TOO_FAST,   NETPLAY_CMD_MODE_REFUSED_REASON_NOT_AVAILABLE }
enum	rarch_netplay_share_preference {   NETPLAY_SHARE_NO_SHARING = 0x0, NETPLAY_SHARE_NO_PREFERENCE = 0x1, NETPLAY_SHARE_DIGITAL_BITS = 0x1C, NETPLAY_SHARE_DIGITAL_OR = 0x4,   NETPLAY_SHARE_DIGITAL_XOR = 0x8, NETPLAY_SHARE_DIGITAL_VOTE = 0xC, NETPLAY_SHARE_ANALOG_BITS = 0xE0, NETPLAY_SHARE_ANALOG_MAX = 0x20,   NETPLAY_SHARE_ANALOG_AVERAGE = 0x40 }
enum	rarch_netplay_connection_mode {   NETPLAY_CONNECTION_NONE = 0, NETPLAY_CONNECTION_DELAYED_DISCONNECT, NETPLAY_CONNECTION_INIT, NETPLAY_CONNECTION_PRE_NICK,   NETPLAY_CONNECTION_PRE_PASSWORD, NETPLAY_CONNECTION_PRE_INFO, NETPLAY_CONNECTION_PRE_SYNC, NETPLAY_CONNECTION_CONNECTED,   NETPLAY_CONNECTION_SPECTATING, NETPLAY_CONNECTION_SLAVE, NETPLAY_CONNECTION_PLAYING }
enum	rarch_netplay_stall_reason {   NETPLAY_STALL_NONE = 0, NETPLAY_STALL_RUNNING_FAST, NETPLAY_STALL_SPECTATOR_WAIT, NETPLAY_STALL_INPUT_LATENCY,   NETPLAY_STALL_SERVER_REQUESTED, NETPLAY_STALL_NO_CONNECTION }
enum	netplay_keys { NETPLAY_KEY_UNKNOWN = 0, K, K }

Functions
bool	netplay_init_socket_buffer (struct socket_buffer *sbuf, size_t size)
bool	netplay_resize_socket_buffer (struct socket_buffer *sbuf, size_t newsize)
void	netplay_deinit_socket_buffer (struct socket_buffer *sbuf)
bool	netplay_send (struct socket_buffer *sbuf, int sockfd, const void *buf, size_t len)
bool	netplay_send_flush (struct socket_buffer *sbuf, int sockfd, bool block)
ssize_t	netplay_recv (struct socket_buffer *sbuf, int sockfd, void *buf, size_t len, bool block)
void	netplay_recv_reset (struct socket_buffer *sbuf)
void	netplay_recv_flush (struct socket_buffer *sbuf)
bool	netplay_delta_frame_ready (netplay_t *netplay, struct delta_frame *delta, uint32_t frame)
uint32_t	netplay_delta_frame_crc (netplay_t *netplay, struct delta_frame *delta)
void	netplay_delta_frame_free (struct delta_frame *delta)
netplay_input_state_t	netplay_input_state_for (netplay_input_state_t *list, uint32_t client_num, size_t size, bool must_create, bool must_not_create)
uint32_t	netplay_expected_input_size (netplay_t *netplay, uint32_t devices)
bool	netplay_lan_ad_server (netplay_t *netplay)
void	netplay_load_savestate (netplay_t *netplay, retro_ctx_serialize_info_t *serial_info, bool save)
uint8_t	netplay_settings_share_mode (void)
void	input_poll_net (void)
bool	netplay_handshake_init_send (netplay_t *netplay, struct netplay_connection *connection)
bool	netplay_handshake (netplay_t *netplay, struct netplay_connection *connection, bool *had_input)
bool	netplay_try_init_serialization (netplay_t *netplay)
bool	netplay_wait_and_init_serialization (netplay_t *netplay)
netplay_t *	netplay_new (void *direct_host, const char *server, uint16_t port, bool stateless_mode, int check_frames, const struct retro_callbacks *cb, bool nat_traversal, const char *nick, uint64_t quirks)
void	netplay_free (netplay_t *netplay)
void	netplay_hangup (netplay_t *netplay, struct netplay_connection *connection)
void	netplay_delayed_state_change (netplay_t *netplay)
bool	netplay_send_cur_input (netplay_t *netplay, struct netplay_connection *connection)
bool	netplay_send_raw_cmd (netplay_t *netplay, struct netplay_connection *connection, uint32_t cmd, const void *data, size_t size)
void	netplay_send_raw_cmd_all (netplay_t *netplay, struct netplay_connection *except, uint32_t cmd, const void *data, size_t size)
bool	netplay_cmd_crc (netplay_t *netplay, struct delta_frame *delta)
bool	netplay_cmd_request_savestate (netplay_t *netplay)
bool	netplay_cmd_mode (netplay_t *netplay, enum rarch_netplay_connection_mode mode)
bool	netplay_cmd_stall (netplay_t *netplay, struct netplay_connection *connection, uint32_t frames)
int	netplay_poll_net_input (netplay_t *netplay, bool block)
void	netplay_handle_slaves (netplay_t *netplay)
void	netplay_announce_nat_traversal (netplay_t *netplay)
void	netplay_init_nat_traversal (netplay_t *netplay)
uint32_t	netplay_key_hton (unsigned key)
void	netplay_key_hton_init (void)
void	netplay_update_unread_ptr (netplay_t *netplay)
bool	netplay_resolve_input (netplay_t *netplay, size_t sim_ptr, bool resim)
bool	netplay_sync_pre_frame (netplay_t *netplay)
void	netplay_sync_post_frame (netplay_t *netplay, bool stalled)

Variables
const uint16_t	netplay_key_ntoh_mapping []

Macro Definition Documentation

CATCH_UP_CHECK_TIME_USEC

#define CATCH_UP_CHECK_TIME_USEC   (500*1000)

K

#define K

(

k

)

NETPLAY_KEY_ ## k,

KL

#define KL	(		k,
			l
	)		K(k)

MAX_CLIENT_STALL_TIME_USEC

#define MAX_CLIENT_STALL_TIME_USEC   (10*1000*1000)

MAX_CLIENTS

#define MAX_CLIENTS   32

MAX_INPUT_DEVICES

#define MAX_INPUT_DEVICES   16

MAX_RETRIES

#define MAX_RETRIES   16

MAX_SERVER_STALL_TIME_USEC

#define MAX_SERVER_STALL_TIME_USEC   (5*1000*1000)

NETPLAY_CMD_MODE_BIT_PLAYING

#define NETPLAY_CMD_MODE_BIT_PLAYING   (1U<<30)

NETPLAY_CMD_MODE_BIT_SLAVE

#define NETPLAY_CMD_MODE_BIT_SLAVE   (1U<<29)

NETPLAY_CMD_MODE_BIT_YOU

#define NETPLAY_CMD_MODE_BIT_YOU   (1U<<31)

NETPLAY_CMD_PLAY_BIT_SLAVE

#define NETPLAY_CMD_PLAY_BIT_SLAVE   (1U<<31)

NETPLAY_CMD_SYNC_BIT_PAUSED

#define NETPLAY_CMD_SYNC_BIT_PAUSED   (1U<<31)

NETPLAY_COMPRESSION_SUPPORTED

#define NETPLAY_COMPRESSION_SUPPORTED   0

NETPLAY_COMPRESSION_ZLIB

#define NETPLAY_COMPRESSION_ZLIB   (1<<0)

NETPLAY_FRAME_RUN_TIME_WINDOW

#define NETPLAY_FRAME_RUN_TIME_WINDOW   120

netplay_key_ntoh

#define netplay_key_ntoh

(

k

)

(netplay_key_ntoh_mapping[k])

NETPLAY_MAX_REQ_STALL_FREQUENCY

#define NETPLAY_MAX_REQ_STALL_FREQUENCY   120

NETPLAY_MAX_REQ_STALL_TIME

#define NETPLAY_MAX_REQ_STALL_TIME   60

NETPLAY_MAX_STALL_FRAMES

#define NETPLAY_MAX_STALL_FRAMES   60

NETPLAY_NICK_LEN

#define NETPLAY_NICK_LEN   32

NETPLAY_PASS_HASH_LEN

#define NETPLAY_PASS_HASH_LEN   64 /* length of a SHA-256 hash */

NETPLAY_PASS_LEN

#define NETPLAY_PASS_LEN   128

NETPLAY_PROTOCOL_VERSION

#define NETPLAY_PROTOCOL_VERSION   5

NETPLAY_QUIRK_ENDIAN_DEPENDENT

#define NETPLAY_QUIRK_ENDIAN_DEPENDENT   (1<<3)

NETPLAY_QUIRK_INITIALIZATION

#define NETPLAY_QUIRK_INITIALIZATION   (1<<2)

NETPLAY_QUIRK_MAP_ENDIAN_DEPENDENT

#define NETPLAY_QUIRK_MAP_ENDIAN_DEPENDENT   (RETRO_SERIALIZATION_QUIRK_ENDIAN_DEPENDENT)

NETPLAY_QUIRK_MAP_INITIALIZATION

#define NETPLAY_QUIRK_MAP_INITIALIZATION   (RETRO_SERIALIZATION_QUIRK_MUST_INITIALIZE)

NETPLAY_QUIRK_MAP_NO_SAVESTATES

#define NETPLAY_QUIRK_MAP_NO_SAVESTATES   (RETRO_SERIALIZATION_QUIRK_INCOMPLETE)

NETPLAY_QUIRK_MAP_NO_TRANSMISSION

#define NETPLAY_QUIRK_MAP_NO_TRANSMISSION   (RETRO_SERIALIZATION_QUIRK_SINGLE_SESSION)

NETPLAY_QUIRK_MAP_PLATFORM_DEPENDENT

#define NETPLAY_QUIRK_MAP_PLATFORM_DEPENDENT   (RETRO_SERIALIZATION_QUIRK_PLATFORM_DEPENDENT)

NETPLAY_QUIRK_MAP_UNDERSTOOD

#define NETPLAY_QUIRK_MAP_UNDERSTOOD

Value:

(RETRO_SERIALIZATION_QUIRK_INCOMPLETE \
 |RETRO_SERIALIZATION_QUIRK_CORE_VARIABLE_SIZE \
 |RETRO_SERIALIZATION_QUIRK_MUST_INITIALIZE \
 |RETRO_SERIALIZATION_QUIRK_SINGLE_SESSION \
 |RETRO_SERIALIZATION_QUIRK_ENDIAN_DEPENDENT \
 |RETRO_SERIALIZATION_QUIRK_PLATFORM_DEPENDENT)

NETPLAY_QUIRK_NO_SAVESTATES

#define NETPLAY_QUIRK_NO_SAVESTATES   (1<<0)

NETPLAY_QUIRK_NO_TRANSMISSION

#define NETPLAY_QUIRK_NO_TRANSMISSION   (1<<1)

NETPLAY_QUIRK_PLATFORM_DEPENDENT

#define NETPLAY_QUIRK_PLATFORM_DEPENDENT   (1<<4)

NEXT_PTR

#define NEXT_PTR

(

x

)

((x + 1) % netplay->buffer_size)

PREV_PTR

#define PREV_PTR

(

x

)

((x) == 0 ? netplay->buffer_size - 1 : (x) - 1)

RARCH_DEFAULT_NICK

#define RARCH_DEFAULT_NICK   "Anonymous"

RARCH_DEFAULT_PORT

#define RARCH_DEFAULT_PORT   55435

RETRO_DEVICE_NETPLAY_KEYBOARD

#define RETRO_DEVICE_NETPLAY_KEYBOARD   RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_KEYBOARD, 65535)

RETRY_MS

#define RETRY_MS   500

Typedef Documentation

client_bitmap_t

typedef uint32_t client_bitmap_t

netplay_input_state_t

typedef struct netplay_input_state * netplay_input_state_t

Enumeration Type Documentation

netplay_cmd

enum netplay_cmd

Enumerator
NETPLAY_CMD_ACK
NETPLAY_CMD_NAK
NETPLAY_CMD_DISCONNECT
NETPLAY_CMD_INPUT
NETPLAY_CMD_NOINPUT
NETPLAY_CMD_NICK
NETPLAY_CMD_PASSWORD
NETPLAY_CMD_INFO
NETPLAY_CMD_SYNC
NETPLAY_CMD_SPECTATE
NETPLAY_CMD_PLAY
NETPLAY_CMD_MODE
NETPLAY_CMD_MODE_REFUSED
NETPLAY_CMD_CRC
NETPLAY_CMD_REQUEST_SAVESTATE
NETPLAY_CMD_LOAD_SAVESTATE
NETPLAY_CMD_PAUSE
NETPLAY_CMD_RESUME
NETPLAY_CMD_STALL
NETPLAY_CMD_RESET
NETPLAY_CMD_CHEATS
NETPLAY_CMD_CFG
NETPLAY_CMD_CFG_ACK

netplay_cmd_mode_reasons

enum netplay_cmd_mode_reasons

Enumerator
NETPLAY_CMD_MODE_REFUSED_REASON_OTHER
NETPLAY_CMD_MODE_REFUSED_REASON_UNPRIVILEGED
NETPLAY_CMD_MODE_REFUSED_REASON_NO_SLOTS
NETPLAY_CMD_MODE_REFUSED_REASON_TOO_FAST
NETPLAY_CMD_MODE_REFUSED_REASON_NOT_AVAILABLE

netplay_keys

enum netplay_keys

Enumerator
NETPLAY_KEY_UNKNOWN
K
K

rarch_netplay_connection_mode

enum rarch_netplay_connection_mode

Enumerator
NETPLAY_CONNECTION_NONE
NETPLAY_CONNECTION_DELAYED_DISCONNECT
NETPLAY_CONNECTION_INIT
NETPLAY_CONNECTION_PRE_NICK
NETPLAY_CONNECTION_PRE_PASSWORD
NETPLAY_CONNECTION_PRE_INFO
NETPLAY_CONNECTION_PRE_SYNC
NETPLAY_CONNECTION_CONNECTED
NETPLAY_CONNECTION_SPECTATING
NETPLAY_CONNECTION_SLAVE
NETPLAY_CONNECTION_PLAYING

rarch_netplay_share_preference

enum rarch_netplay_share_preference

Enumerator
NETPLAY_SHARE_NO_SHARING
NETPLAY_SHARE_NO_PREFERENCE
NETPLAY_SHARE_DIGITAL_BITS
NETPLAY_SHARE_DIGITAL_OR
NETPLAY_SHARE_DIGITAL_XOR
NETPLAY_SHARE_DIGITAL_VOTE
NETPLAY_SHARE_ANALOG_BITS
NETPLAY_SHARE_ANALOG_MAX
NETPLAY_SHARE_ANALOG_AVERAGE

rarch_netplay_stall_reason

enum rarch_netplay_stall_reason

Enumerator
NETPLAY_STALL_NONE
NETPLAY_STALL_RUNNING_FAST
NETPLAY_STALL_SPECTATOR_WAIT
NETPLAY_STALL_INPUT_LATENCY
NETPLAY_STALL_SERVER_REQUESTED
NETPLAY_STALL_NO_CONNECTION

Function Documentation

input_poll_net()

void input_poll_net

(

void

)

input_poll_net

Poll the network if necessary.

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netplay_announce_nat_traversal()

void netplay_announce_nat_traversal

(

netplay_t *

netplay

)

netplay_announce_nat_traversal

Announce successful NAT traversal.

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netplay_cmd_crc()

bool netplay_cmd_crc	(	netplay_t *	netplay,
		struct delta_frame *	delta
	)

netplay_cmd_crc

Send a CRC command to all active clients.

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netplay_cmd_mode()

bool netplay_cmd_mode	(	netplay_t *	netplay,
		enum rarch_netplay_connection_mode	mode
	)

netplay_cmd_mode

Send a mode change request. As a server, the request is to ourself, and so honored instantly.

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netplay_cmd_request_savestate()

bool netplay_cmd_request_savestate

(

netplay_t *

netplay

)

netplay_cmd_request_savestate

Send a savestate request command.

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netplay_cmd_stall()

bool netplay_cmd_stall	(	netplay_t *	netplay,
		struct netplay_connection *	connection,
		uint32_t	frames
	)

netplay_cmd_stall

Send a stall command.

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netplay_deinit_socket_buffer()

void netplay_deinit_socket_buffer

(

struct socket_buffer *

sbuf

)

netplay_deinit_socket_buffer

Free a socket buffer.

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netplay_delayed_state_change()

void netplay_delayed_state_change

(

netplay_t *

netplay

)

netplay_delayed_state_change:

Handle any pending state changes which are ready as of the beginning of the current frame.

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netplay_delta_frame_crc()

uint32_t netplay_delta_frame_crc	(	netplay_t *	netplay,
		struct delta_frame *	delta
	)

netplay_delta_frame_crc

Get the CRC for the serialization of this frame.

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netplay_delta_frame_free()

void netplay_delta_frame_free

(

struct delta_frame *

delta

)

netplay_delta_frame_free

Free a delta frame's dependencies

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netplay_delta_frame_ready()

bool netplay_delta_frame_ready	(	netplay_t *	netplay,
		struct delta_frame *	delta,
		uint32_t	frame
	)

netplay_delta_frame_ready

Prepares, if possible, a delta frame for input, and reports whether it is ready.

Returns: True if the delta frame is ready for input at the given frame, false otherwise.

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netplay_expected_input_size()

uint32_t netplay_expected_input_size	(	netplay_t *	netplay,
		uint32_t	devices
	)

netplay_expected_input_size

Size in words for a given set of devices.

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netplay_free()

void netplay_free

(

netplay_t *

netplay

)

netplay_free : pointer to netplay object

Frees netplay data/

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netplay_handle_slaves()

void netplay_handle_slaves

(

netplay_t *

netplay

)

netplay_handle_slaves

Handle any slave connections

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netplay_handshake()

bool netplay_handshake	(	netplay_t *	netplay,
		struct netplay_connection *	connection,
		bool *	had_input
	)

netplay_handshake

Data receiver for all handshake states.

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netplay_handshake_init_send()

bool netplay_handshake_init_send	(	netplay_t *	netplay,
		struct netplay_connection *	connection
	)

netplay_handshake_init_send

Initialize our handshake and send the first part of the handshake protocol.

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netplay_hangup()

void netplay_hangup	(	netplay_t *	netplay,
		struct netplay_connection *	connection
	)

netplay_hangup:

Disconnects an active Netplay connection due to an error

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netplay_init_nat_traversal()

void netplay_init_nat_traversal

(

netplay_t *

netplay

)

netplay_init_nat_traversal

Initialize the NAT traversal library and try to open a port

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netplay_init_socket_buffer()

bool netplay_init_socket_buffer	(	struct socket_buffer *	sbuf,
		size_t	size
	)

netplay_init_socket_buffer

Initialize a new socket buffer.

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netplay_input_state_for()

netplay_input_state_t netplay_input_state_for	(	netplay_input_state_t *	list,
		uint32_t	client_num,
		size_t	size,
		bool	must_create,
		bool	must_not_create
	)

netplay_input_state_for

Get an input state for a particular client

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netplay_key_hton()

uint32_t netplay_key_hton

(

unsigned

key

)

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netplay_key_hton_init()

void netplay_key_hton_init

(

void

)

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netplay_lan_ad_server()

bool netplay_lan_ad_server

(

netplay_t *

netplay

)

netplay_lan_ad_server

Respond to any LAN ad queries that the netplay server has received.

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netplay_load_savestate()

void netplay_load_savestate	(	netplay_t *	netplay,
		retro_ctx_serialize_info_t *	serial_info,
		bool	save
	)

netplay_load_savestate : pointer to netplay object : the savestate being loaded, NULL means "load it yourself" : Whether to save the provided serial_info into the frame buffer

Inform Netplay of a savestate load and send it to the other side

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netplay_new()

netplay_t* netplay_new	(	void *	direct_host,
		const char *	server,
		uint16_t	port,
		bool	stateless_mode,
		int	check_frames,
		const struct retro_callbacks *	cb,
		bool	nat_traversal,
		const char *	nick,
		uint64_t	quirks
	)

netplay_new: : Netplay host discovered from scanning. : IP address of server. : Port of server. : Shall we run in stateless mode? : Frequency with which to check CRCs. : Libretro callbacks. : If true, attempt NAT traversal. : Nickname of user. : Netplay quirks required for this session.

Creates a new netplay handle. A NULL server means we're hosting.

Returns: new netplay data.

netplay_new: : Netplay host discovered from scanning. : IP address of server. : Port of server. : Shall we use stateless mode? : Frequency with which to check CRCs. : Libretro callbacks. : If true, attempt NAT traversal. : Nickname of user. : Netplay quirks required for this session.

Creates a new netplay handle. A NULL server means we're hosting.

Returns: new netplay data.

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netplay_poll_net_input()

int netplay_poll_net_input	(	netplay_t *	netplay,
		bool	block
	)

netplay_poll_net_input

Poll input from the network

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netplay_recv()

ssize_t netplay_recv	(	struct socket_buffer *	sbuf,
		int	sockfd,
		void *	buf,
		size_t	len,
		bool	block
	)

netplay_recv

Receive buffered or fresh data.

Returns number of bytes returned, which may be short or 0, or -1 on error.

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netplay_recv_flush()

void netplay_recv_flush

(

struct socket_buffer *

sbuf

)

netplay_recv_flush

Flush our recv buffer, so a future netplay_recv_reset will reset to this point.

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netplay_recv_reset()

void netplay_recv_reset

(

struct socket_buffer *

sbuf

)

netplay_recv_reset

Reset our recv buffer so that future netplay_recvs will read the same data again.

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netplay_resize_socket_buffer()

bool netplay_resize_socket_buffer	(	struct socket_buffer *	sbuf,
		size_t	newsize
	)

netplay_resize_socket_buffer

Resize the given socket_buffer's buffer to the requested size.

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netplay_resolve_input()

bool netplay_resolve_input	(	netplay_t *	netplay,
		size_t	sim_ptr,
		bool	resim
	)

netplay_resolve_input : pointer to netplay object : frame pointer for which to resolve input : are we resimulating, or simulating this frame for the first time?

"Simulate" input by assuming it hasn't changed since the last read input. Returns true if the resolved input changed from the last time it was resolved.

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netplay_send()

bool netplay_send	(	struct socket_buffer *	sbuf,
		int	sockfd,
		const void *	buf,
		size_t	len
	)

netplay_send

Queue the given data for sending.

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netplay_send_cur_input()

bool netplay_send_cur_input	(	netplay_t *	netplay,
		struct netplay_connection *	connection
	)

netplay_send_cur_input

Send the current input frame to a given connection.

Returns true if successful, false otherwise.

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netplay_send_flush()

bool netplay_send_flush	(	struct socket_buffer *	sbuf,
		int	sockfd,
		bool	block
	)

netplay_send_flush

Flush unsent data in the given socket buffer, blocking to do so if requested.

Returns false only on socket failures, true otherwise.

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netplay_send_raw_cmd()

bool netplay_send_raw_cmd	(	netplay_t *	netplay,
		struct netplay_connection *	connection,
		uint32_t	cmd,
		const void *	data,
		size_t	size
	)

netplay_send_raw_cmd

Send a raw Netplay command to the given connection.

Returns true on success, false on failure.

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netplay_send_raw_cmd_all()

void netplay_send_raw_cmd_all	(	netplay_t *	netplay,
		struct netplay_connection *	except,
		uint32_t	cmd,
		const void *	data,
		size_t	size
	)

netplay_send_raw_cmd_all

Send a raw Netplay command to all connections, optionally excluding one (typically the client that the relevant command came from)

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netplay_settings_share_mode()

uint8_t netplay_settings_share_mode

(

void

)

netplay_settings_share_mode

Get the preferred share mode

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netplay_sync_post_frame()

void netplay_sync_post_frame	(	netplay_t *	netplay,
		bool	stalled
	)

netplay_sync_post_frame : pointer to netplay object : true if we're currently stalled

Post-frame for Netplay synchronization. We check if we have new input and replay from recorded input.

netplay_sync_post_frame : pointer to netplay object

Post-frame for Netplay synchronization. We check if we have new input and replay from recorded input.

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netplay_sync_pre_frame()

bool netplay_sync_pre_frame

(

netplay_t *

netplay

)

netplay_sync_pre_frame : pointer to netplay object

Pre-frame for Netplay synchronization.

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netplay_try_init_serialization()

bool netplay_try_init_serialization

(

netplay_t *

netplay

)

netplay_try_init_serialization

Try to initialize serialization. For quirky cores.

Returns true if serialization is now ready, false otherwise.

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netplay_update_unread_ptr()

void netplay_update_unread_ptr

(

netplay_t *

netplay

)

netplay_update_unread_ptr

Update the global unread_ptr and unread_frame_count to correspond to the earliest unread frame count of any connected player

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netplay_wait_and_init_serialization()

bool netplay_wait_and_init_serialization

(

netplay_t *

netplay

)

netplay_wait_and_init_serialization

Try very hard to initialize serialization, simulating multiple frames if necessary. For quirky cores.

Returns true if serialization is now ready, false otherwise.

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Variable Documentation

netplay_key_ntoh_mapping

const uint16_t netplay_key_ntoh_mapping[]