#include <freeciv_config.h>
#include "ioz.h"
#include "net_types.h"
#include "support.h"
#include "speclist.h"

Data Structures
union	fc_sockaddr

Macros
#define	FC_FD_ZERO(p) memset((void )(p), 0, sizeof((p)))

#define	FC_IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP

#define	SPECLIST_TAG fc_sockaddr

#define	SPECLIST_TYPE union fc_sockaddr

#define	fc_sockaddr_list_iterate(sockaddrlist, paddr) TYPED_LIST_ITERATE(union fc_sockaddr, sockaddrlist, paddr)

#define	fc_sockaddr_list_iterate_end LIST_ITERATE_END

Typedefs
typedef int	socklen_t

typedef struct timeval	fc_timeval

Functions
int	fc_connect (int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen)

int	fc_select (int n, fd_set readfds, fd_set writefds, fd_set exceptfds, fc_timeval timeout)

int	fc_readsocket (int sock, void *buf, size_t size)

int	fc_writesocket (int sock, const void *buf, size_t size)

void	fc_closesocket (int sock)

void	fc_nonblock (int sockfd)

struct fc_sockaddr_list *	net_lookup_service (const char *name, int port, enum fc_addr_family family)

bool	fc_inet_aton (const char cp, struct in_addr inp, bool addr_none_ok)

fz_FILE *	fc_querysocket (int sock, void *buf, size_t size)

int	find_next_free_port (int starting_port, int highest_port, enum fc_addr_family family, char *net_interface, bool not_avail_ok)

void	sockaddr_debug (union fc_sockaddr *addr, enum log_level lvl)

int	sockaddr_size (union fc_sockaddr *addr)

bool	sockaddr_ipv6 (union fc_sockaddr *addr)

Macro Definition Documentation

◆ FC_FD_ZERO

#define FC_FD_ZERO ( p ) memset((void *)(p), 0, sizeof(*(p)))

Definition at line 57 of file netintf.h.

◆ FC_IPV6_ADD_MEMBERSHIP

#define FC_IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP

Definition at line 63 of file netintf.h.

◆ fc_sockaddr_list_iterate

#define fc_sockaddr_list_iterate	(	sockaddrlist,
		paddr
	)	TYPED_LIST_ITERATE(union fc_sockaddr, sockaddrlist, paddr)

Definition at line 83 of file netintf.h.

◆ fc_sockaddr_list_iterate_end

#define fc_sockaddr_list_iterate_end LIST_ITERATE_END

Definition at line 85 of file netintf.h.

◆ SPECLIST_TAG

#define SPECLIST_TAG fc_sockaddr

Definition at line 79 of file netintf.h.

◆ SPECLIST_TYPE

#define SPECLIST_TYPE union fc_sockaddr

Definition at line 80 of file netintf.h.

Typedef Documentation

◆ fc_timeval

typedef struct timeval fc_timeval

Definition at line 90 of file netintf.h.

◆ socklen_t

typedef int socklen_t

Definition at line 67 of file netintf.h.

Function Documentation

◆ fc_closesocket()

void fc_closesocket ( int sock )

Close a socket.

Definition at line 186 of file netintf.c.

Referenced by begin_lanserver_scan(), close_connections_and_socket(), connection_common_close(), fc_querysocket(), find_next_free_port(), send_lanserver_response(), server_accept_connection(), server_make_connection(), server_open_socket(), server_scan_finish(), and try_to_connect().

◆ fc_connect()

int fc_connect	(	int	sockfd,
		const struct sockaddr *	serv_addr,
		socklen_t	addrlen
	)

Connect a socket to an address

Definition at line 107 of file netintf.c.

Referenced by try_to_connect().

◆ fc_inet_aton()

bool fc_inet_aton	(	const char *	cp,
		struct in_addr *	inp,
		bool	addr_none_ok
	)

Convert internet IPv4 host address to binary form and store it to inp. Return FALSE on failure if possible, i.e., FALSE is guarantee that it failed but TRUE is not guarantee that it succeeded.

Definition at line 466 of file netintf.c.

Referenced by begin_lanserver_scan(), find_next_free_port(), net_lookup_service(), and server_open_socket().

◆ fc_nonblock()

void fc_nonblock ( int sockfd )

Set socket to non-blocking.

Definition at line 227 of file netintf.c.

Referenced by begin_lanserver_scan(), server_make_connection(), and server_open_socket().

◆ fc_querysocket()

fz_FILE * fc_querysocket	(	int	sock,
		void *	buf,
		size_t	size
	)

Writes buf to socket and returns the response in a fz_FILE. Use only on blocking sockets.

Definition at line 493 of file netintf.c.

◆ fc_readsocket()

int fc_readsocket	(	int	sock,
		void *	buf,
		size_t	size
	)

Read from a socket.

Definition at line 144 of file netintf.c.

Referenced by fc_querysocket(), and read_socket_data().

◆ fc_select()

int fc_select	(	int	n,
		fd_set *	readfds,
		fd_set *	writefds,
		fd_set *	exceptfds,
		fc_timeval *	timeout
	)

Wait for a number of sockets to change status

Definition at line 125 of file netintf.c.

Referenced by fc_usleep(), flush_packets(), get_lanserver_announcement(), gui_event_loop(), gui_event_loop(), read_from_connection(), server_sniff_all_input(), and write_socket_data().

◆ fc_writesocket()

int fc_writesocket	(	int	sock,
		const void *	buf,
		size_t	size
	)

Write to a socket.

Definition at line 163 of file netintf.c.

Referenced by fc_querysocket(), and write_socket_data().

◆ find_next_free_port()

int find_next_free_port	(	int	starting_port,
		int	highest_port,
		enum fc_addr_family	family,
		char *	net_interface,
		bool	not_avail_ok
	)

Finds the next (lowest) free port.

Definition at line 560 of file netintf.c.

Referenced by client_start_server().

◆ net_lookup_service()

struct fc_sockaddr_list * net_lookup_service	(	const char *	name,
		int	port,
		enum fc_addr_family	family
	)

Look up the service at hostname:port.

Definition at line 411 of file netintf.c.

Referenced by get_server_address(), and server_open_socket().

◆ sockaddr_debug()

void sockaddr_debug	(	union fc_sockaddr *	addr,
		enum log_level	lvl
	)

Write information about sockaddr to debug log.

Definition at line 269 of file netintf.c.

Referenced by server_open_socket().

◆ sockaddr_ipv6()

bool sockaddr_ipv6 ( union fc_sockaddr * addr )

Returns whether address is IPv6 address.

Definition at line 330 of file netintf.c.

◆ sockaddr_size()

int sockaddr_size ( union fc_sockaddr * addr )

Gets size of address to fc_sockaddr. IPv6/IPv4 must be selected before calling this.

Definition at line 305 of file netintf.c.

Referenced by begin_lanserver_scan(), find_next_free_port(), send_lanserver_response(), server_open_socket(), and try_to_connect().

Data Structures

Macros

Typedefs

Functions