socket_info.h File Reference

Find & manage listen addresses. Contains code that initializes and handles server listen addresses lists (struct socket_info). It is used mainly on startup. More...

#include <stdlib.h>
#include "ip_addr.h"
#include "dprint.h"
#include "globals.h"
#include "ut.h"

Include dependency graph for socket_info.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Defines

#define MAX_SOCKET_STR ( 4 + 1 + IP_ADDR_MAX_STR_SIZE+1+INT2STR_MAX_LEN+1)

#define PROTO2UINT(a, b, c)

#define sock_str_len(_sock)

Functions

int add_listen_iface (char *name, unsigned short port, unsigned short proto, enum si_flags flags)

struct socket_info * find_si (struct ip_addr *ip, unsigned short port, unsigned short proto)

int fix_all_socket_lists (void)

static struct socket_info * get_first_socket (void)

gets first non-null socket_info structure (useful if for. e.g we are not listening on any udp sockets )

static struct socket_info ** get_sock_info_list (unsigned short proto)

struct socket_info * grep_sock_info (str *host, unsigned short port, unsigned short proto)

static int next_proto (unsigned short proto)

helper function:

static int parse_phostport (char *s, int slen, char **host, int *hlen, int *port, int *proto)

parses [proto:]host[:port] where proto= udp|tcp|tls

static int parse_proto (unsigned char *s, long len, int *proto)

Sets protocol.

void print_aliases (void)

void print_all_socket_lists (void)

static char * socket2str (struct socket_info *sock, char *s, int *len)

Variables

struct socket_info * udp_listen

Detailed Description

Find & manage listen addresses. Contains code that initializes and handles server listen addresses lists (struct socket_info). It is used mainly on startup.

Definition in file socket_info.h.

Define Documentation

#define MAX_SOCKET_STR ( 4 + 1 + IP_ADDR_MAX_STR_SIZE+1+INT2STR_MAX_LEN+1)

Definition at line 313 of file socket_info.h.

Referenced by encode_branch_info(), and socket2str().

#define PROTO2UINT	(	a,
		b,
		c	)

Value:

(( (((unsigned int)(a))<<16)+ \
                        (((unsigned int)(b))<<8)+  \
                        ((unsigned int)(c)) ) | 0x20202020)

Referenced by parse_proto().

#define sock_str_len ( _sock )

Value:

( 3 + 1*((_sock)->proto==PROTO_SCTP) + 1 + \
      (_sock)->address_str.len + 1 + (_sock)->port_no_str.len)

Definition at line 314 of file socket_info.h.

Referenced by socket2str().

Function Documentation

int add_listen_iface	(	char *	name,
		unsigned short	port,
		unsigned short	proto,
		enum si_flags	flags
	)

Definition at line 329 of file socket_info.c.

References get_sock_info_list(), LM_ERR, new_sock2list(), next_proto(), port_no, PROTO_TLS, and PROTO_UDP.

Referenced by fix_all_socket_lists(), and main().

struct socket_info* find_si	(	struct ip_addr *	ip,
		unsigned short	port,
		unsigned short	proto
	)			`[read]`

Definition at line 270 of file socket_info.c.

References socket_info::address, get_sock_info_list(), ip_addr_cmp, LM_WARN, socket_info::next, next_proto(), socket_info::port_no, PROTO_NONE, PROTO_UDP, and udp_listen.

Referenced by fix_actions(), get_out_socket(), and get_send_socket().

int fix_all_socket_lists ( void )

Definition at line 706 of file socket_info.c.

References add_interfaces(), add_listen_iface(), fix_socket_list(), LM_ERR, PROTO_SCTP, PROTO_TCP, PROTO_TLS, PROTO_UDP, and udp_listen.

Referenced by main().

static struct socket_info* get_first_socket ( void ) [static, read]

gets first non-null socket_info structure (useful if for. e.g we are not listening on any udp sockets )

Definition at line 160 of file socket_info.h.

Referenced by child_init_callid(), global_init(), init_tags(), seas_exit(), seas_init(), and uac_init().

static struct socket_info** get_sock_info_list ( unsigned short proto ) [static, read]

Definition at line 66 of file socket_info.h.

References LM_CRIT, PROTO_SCTP, PROTO_TCP, PROTO_TLS, and PROTO_UDP.

Referenced by add_listen_iface(), find_si(), grep_sock_info(), and print_all_socket_lists().

struct socket_info* grep_sock_info	(	str *	host,
		unsigned short	port,
		unsigned short	proto
	)			`[read]`

Definition at line 176 of file socket_info.c.

References socket_info::address, socket_info::address_str, socket_info::flags, get_sock_info_list(), ip_addr_cmp, _str::len, LM_DBG, LM_WARN, socket_info::name, socket_info::next, next_proto(), socket_info::port_no, PROTO_NONE, PROTO_UDP, _str::s, SI_IS_IP, str2ip6(), and udp_listen.

Referenced by ac_sl_msg(), after_loose(), after_strict(), build_dlg_t(), check_self(), create_socket_info(), dbrow2info(), decode_branch_info(), dp_apply_policy(), get_all_db_ucontacts(), get_sock_hdr(), mi_tm_uac_dlg(), mod_init(), and rls_notify_dlg().

static int next_proto ( unsigned short proto ) [inline, static]

helper function:

Returns:: next protocol, if the last one is reached return 0

Note:: useful for cycling on the supported protocols

Definition at line 98 of file socket_info.h.

References LM_ERR, PROTO_NONE, PROTO_SCTP, PROTO_TCP, PROTO_TLS, and PROTO_UDP.

Referenced by add_listen_iface(), find_si(), grep_sock_info(), and print_all_socket_lists().

static int parse_phostport	(	char *	s,
		int	slen,
		char **	host,
		int *	hlen,
		int *	port,
		int *	proto
	)			`[inline, static]`

parses [proto:]host[:port] where proto= udp|tcp|tls

Returns:: 0 on success and -1 on failure

Definition at line 226 of file socket_info.h.

References _str::len, LM_ERR, parse_proto(), _str::s, second, and str2int().

Referenced by build_dlg_t(), create_socket_info(), dbrow2info(), decode_branch_info(), dp_apply_policy(), fix_actions(), fixup_phostport2proxy(), get_all_db_ucontacts(), get_natping_socket(), get_sock_hdr(), main(), mi_tm_uac_dlg(), and rls_notify_dlg().

static int parse_proto	(	unsigned char *	s,
		long	len,
		int *	proto
	)			`[inline, static]`

Sets protocol.

Returns:: -1 on error, 0 on success

Definition at line 179 of file socket_info.h.

References PROTO2UINT, PROTO_NONE, PROTO_SCTP, PROTO_TCP, PROTO_TLS, and PROTO_UDP.

Referenced by parse_phostport().

void print_aliases ( void )

Definition at line 819 of file socket_info.c.

References host_alias::alias, aliases, get_proto_name(), _str::len, host_alias::next, host_alias::port, host_alias::proto, and _str::s.

Referenced by main().

void print_all_socket_lists ( void )

Definition at line 800 of file socket_info.c.

References socket_info::address_str, socket_info::flags, get_proto_name(), get_sock_info_list(), socket_info::name, socket_info::next, next_proto(), socket_info::port_no_str, socket_info::proto, PROTO_UDP, _str::s, and SI_IS_MCAST.

Referenced by main().

static char* socket2str	(	struct socket_info *	sock,
		char *	s,
		int *	len
	)			`[inline, static]`

Definition at line 317 of file socket_info.h.

References socket_info::address_str, buf, _str::len, LM_CRIT, LM_DBG, LM_ERR, MAX_SOCKET_STR, socket_info::port_no_str, socket_info::proto, PROTO_SCTP, PROTO_TCP, PROTO_TLS, PROTO_UDP, _str::s, and sock_str_len.

Referenced by encode_branch_info(), and fix_socket_list().

Variable Documentation

struct socket_info* udp_listen

Definition at line 257 of file main.c.

Referenced by find_si(), fix_all_socket_lists(), grep_sock_info(), init_multi_proc_support(), process_bind_action(), and send_sockinfo().


Defines
#define	MAX_SOCKET_STR ( 4 + 1 + IP_ADDR_MAX_STR_SIZE+1+INT2STR_MAX_LEN+1)
#define	PROTO2UINT(a, b, c)
#define	sock_str_len(_sock)
Functions
int	add_listen_iface (char *name, unsigned short port, unsigned short proto, enum si_flags flags)
struct socket_info *	find_si (struct ip_addr *ip, unsigned short port, unsigned short proto)
int	fix_all_socket_lists (void)
static struct socket_info *	get_first_socket (void)
	gets first non-null socket_info structure (useful if for. e.g we are not listening on any udp sockets )
static struct socket_info **	get_sock_info_list (unsigned short proto)
struct socket_info *	grep_sock_info (str *host, unsigned short port, unsigned short proto)
static int	next_proto (unsigned short proto)
	helper function:
static int	parse_phostport (char s, int slen, char host, int hlen, int port, int proto)
	parses [proto:]host[:port] where proto= udp\|tcp\|tls
static int	parse_proto (unsigned char s, long len, int proto)
	Sets protocol.
void	print_aliases (void)
void	print_all_socket_lists (void)
static char *	socket2str (struct socket_info sock, char s, int *len)
Variables
struct socket_info *	udp_listen